+++ /dev/null
-/*
- * Asterisk -- An open source telephony toolkit.
- *
- * Copyright (C) 1999 - 2006, Digium, Inc.
- *
- * Mark Spencer <markster@digium.com>
- *
- * See http://www.asterisk.org for more information about
- * the Asterisk project. Please do not directly contact
- * any of the maintainers of this project for assistance;
- * the project provides a web site, mailing lists and IRC
- * channels for your use.
- *
- * This program is free software, distributed under the terms of
- * the GNU General Public License Version 2. See the LICENSE file
- * at the top of the source tree.
- */
-
-/*! \file
- *
- * \brief Implementation of Media Gateway Control Protocol
- *
- * \author Mark Spencer <markster@digium.com>
- *
- * \ingroup channel_drivers
- */
-
-/*! \li \ref chan_mgcp.c uses the configuration file \ref mgcp.conf
- * \addtogroup configuration_file
- */
-
-/*! \page mgcp.conf mgcp.conf
- * \verbinclude mgcp.conf.sample
- */
-
-/*** MODULEINFO
- <use type="module">res_pktccops</use>
- <defaultenabled>no</defaultenabled>
- <support_level>deprecated</support_level>
- <deprecated_in>19</deprecated_in>
- <removed_in>21</removed_in>
- ***/
-
-#include "asterisk.h"
-
-#include <sys/socket.h>
-#include <sys/ioctl.h>
-#include <net/if.h>
-#include <fcntl.h>
-#include <netdb.h>
-#include <signal.h>
-#include <netinet/in.h>
-#include <netinet/in_systm.h>
-#include <netinet/ip.h>
-#include <arpa/inet.h>
-#include <ctype.h>
-
-#include "asterisk/lock.h"
-#include "asterisk/channel.h"
-#include "asterisk/config.h"
-#include "asterisk/module.h"
-#include "asterisk/pickup.h"
-#include "asterisk/pbx.h"
-#include "asterisk/sched.h"
-#include "asterisk/io.h"
-#include "asterisk/rtp_engine.h"
-#include "asterisk/acl.h"
-#include "asterisk/callerid.h"
-#include "asterisk/cli.h"
-#include "asterisk/say.h"
-#include "asterisk/astdb.h"
-#include "asterisk/features.h"
-#include "asterisk/app.h"
-#include "asterisk/mwi.h"
-#include "asterisk/musiconhold.h"
-#include "asterisk/utils.h"
-#include "asterisk/netsock2.h"
-#include "asterisk/causes.h"
-#include "asterisk/dsp.h"
-#include "asterisk/devicestate.h"
-#include "asterisk/stringfields.h"
-#include "asterisk/abstract_jb.h"
-#include "asterisk/chanvars.h"
-#include "asterisk/pktccops.h"
-#include "asterisk/stasis.h"
-#include "asterisk/bridge.h"
-#include "asterisk/features_config.h"
-#include "asterisk/parking.h"
-#include "asterisk/stasis_channels.h"
-#include "asterisk/format_cache.h"
-
-/*
- * Define to work around buggy dlink MGCP phone firmware which
- * appears not to know that "rt" is part of the "G" package.
- */
-/* #define DLINK_BUGGY_FIRMWARE */
-
-#define MGCPDUMPER
-#define DEFAULT_EXPIRY 120
-#define MAX_EXPIRY 3600
-#define DIRECTMEDIA 1
-
-#ifndef INADDR_NONE
-#define INADDR_NONE (in_addr_t)(-1)
-#endif
-
-/*! Global jitterbuffer configuration - by default, jb is disabled
- * \note Values shown here match the defaults shown in mgcp.conf.sample */
-static struct ast_jb_conf default_jbconf =
-{
- .flags = 0,
- .max_size = 200,
- .resync_threshold = 1000,
- .impl = "fixed",
- .target_extra = 40,
-};
-static struct ast_jb_conf global_jbconf;
-
-static const char tdesc[] = "Media Gateway Control Protocol (MGCP)";
-static const char config[] = "mgcp.conf";
-
-#define MGCP_DTMF_RFC2833 (1 << 0)
-#define MGCP_DTMF_INBAND (1 << 1)
-#define MGCP_DTMF_HYBRID (1 << 2)
-
-#define DEFAULT_MGCP_GW_PORT 2427 /*!< From RFC 2705 */
-#define DEFAULT_MGCP_CA_PORT 2727 /*!< From RFC 2705 */
-#define MGCP_MAX_PACKET 1500 /*!< Also from RFC 2543, should sub headers tho */
-#define DEFAULT_RETRANS 1000 /*!< How frequently to retransmit */
-#define MAX_RETRANS 5 /*!< Try only 5 times for retransmissions */
-
-/*! MGCP rtp stream modes { */
-#define MGCP_CX_SENDONLY 0
-#define MGCP_CX_RECVONLY 1
-#define MGCP_CX_SENDRECV 2
-#define MGCP_CX_CONF 3
-#define MGCP_CX_CONFERENCE 3
-#define MGCP_CX_MUTE 4
-#define MGCP_CX_INACTIVE 4
-/*! } */
-
-static const char * const mgcp_cxmodes[] = {
- "sendonly",
- "recvonly",
- "sendrecv",
- "confrnce",
- "inactive"
-};
-
-enum {
- MGCP_CMD_EPCF,
- MGCP_CMD_CRCX,
- MGCP_CMD_MDCX,
- MGCP_CMD_DLCX,
- MGCP_CMD_RQNT,
- MGCP_CMD_NTFY,
- MGCP_CMD_AUEP,
- MGCP_CMD_AUCX,
- MGCP_CMD_RSIP
-};
-
-static char context[AST_MAX_EXTENSION] = "default";
-
-static char language[MAX_LANGUAGE] = "";
-static char musicclass[MAX_MUSICCLASS] = "";
-static char parkinglot[AST_MAX_CONTEXT];
-static char cid_num[AST_MAX_EXTENSION] = "";
-static char cid_name[AST_MAX_EXTENSION] = "";
-
-static int dtmfmode = 0;
-static int nat = 0;
-static int ncs = 0;
-static int pktcgatealloc = 0;
-static int hangupongateremove = 0;
-
-static ast_group_t cur_callergroup = 0;
-static ast_group_t cur_pickupgroup = 0;
-
-static struct {
- unsigned int tos;
- unsigned int tos_audio;
- unsigned int cos;
- unsigned int cos_audio;
-} qos = { 0, 0, 0, 0 };
-
-static int immediate = 0;
-
-static int callwaiting = 0;
-
-static int callreturn = 0;
-
-static int slowsequence = 0;
-
-static int threewaycalling = 0;
-
-/*! This is for flashhook transfers */
-static int transfer = 0;
-
-static int cancallforward = 0;
-
-static int singlepath = 0;
-
-static int directmedia = DIRECTMEDIA;
-
-static char accountcode[AST_MAX_ACCOUNT_CODE] = "";
-
-static char mailbox[AST_MAX_MAILBOX_UNIQUEID];
-
-static int amaflags = 0;
-
-static int adsi = 0;
-
-static unsigned int oseq_global = 0;
-AST_MUTEX_DEFINE_STATIC(oseq_lock);
-
-/*! Wait up to 16 seconds for first digit (FXO logic) */
-static int firstdigittimeout = 16000;
-
-/*! How long to wait for following digits (FXO logic) */
-static int gendigittimeout = 8000;
-
-/*! How long to wait for an extra digit, if there is an ambiguous match */
-static int matchdigittimeout = 3000;
-
-/*! Protect the monitoring thread, so only one process can kill or start it, and not
- when it's doing something critical. */
-AST_MUTEX_DEFINE_STATIC(netlock);
-
-AST_MUTEX_DEFINE_STATIC(monlock);
-
-/*! This is the thread for the monitor which checks for input on the channels
- * which are not currently in use.
- */
-static pthread_t monitor_thread = AST_PTHREADT_NULL;
-
-static int restart_monitor(void);
-
-static struct ast_format_cap *global_capability;
-static int nonCodecCapability = AST_RTP_DTMF;
-
-static char ourhost[MAXHOSTNAMELEN];
-static struct in_addr __ourip;
-static int ourport;
-
-static struct ast_sched_context *sched;
-static struct io_context *io;
-/*! The private structures of the mgcp channels are linked for
- * selecting outgoing channels
- */
-
-#define MGCP_MAX_HEADERS 64
-#define MGCP_MAX_LINES 64
-
-struct mgcp_request {
- int len;
- char *verb;
- char *identifier;
- char *endpoint;
- char *version;
- int headers; /*!< MGCP Headers */
- char *header[MGCP_MAX_HEADERS];
- int lines; /*!< SDP Content */
- char *line[MGCP_MAX_LINES];
- char data[MGCP_MAX_PACKET];
- int cmd; /*!< int version of verb = command */
- unsigned int trid; /*!< int version of identifier = transaction id */
- struct mgcp_request *next; /*!< next in the queue */
-};
-
-/*! \brief mgcp_message: MGCP message for queuing up */
-struct mgcp_message {
- struct mgcp_endpoint *owner_ep;
- struct mgcp_subchannel *owner_sub;
- int retrans;
- unsigned long expire;
- unsigned int seqno;
- int len;
- struct mgcp_message *next;
- char buf[0];
-};
-
-#define RESPONSE_TIMEOUT 30 /*!< in seconds */
-
-struct mgcp_response {
- time_t whensent;
- int len;
- int seqno;
- struct mgcp_response *next;
- char buf[0];
-};
-
-#define MAX_SUBS 2
-
-#define SUB_REAL 0
-#define SUB_ALT 1
-
-struct mgcp_subchannel {
- /*! subchannel magic string.
- Needed to prove that any subchannel pointer passed by asterisk
- really points to a valid subchannel memory area.
- Ugly.. But serves the purpose for the time being.
- */
-#define MGCP_SUBCHANNEL_MAGIC "!978!"
- char magic[6];
- ast_mutex_t lock;
- int id;
- struct ast_channel *owner;
- struct mgcp_endpoint *parent;
- struct ast_rtp_instance *rtp;
- struct sockaddr_in tmpdest;
- char txident[80]; /*! \todo FIXME txident is replaced by rqnt_ident in endpoint.
- This should be obsoleted */
- char cxident[80];
- char callid[80];
- int cxmode;
- struct mgcp_request *cx_queue; /*!< pending CX commands */
- ast_mutex_t cx_queue_lock; /*!< CX queue lock */
- int nat;
- int iseq; /*!< Not used? RTP? */
- int outgoing;
- int alreadygone;
- int sdpsent;
- struct cops_gate *gate;
- struct mgcp_subchannel *next; /*!< for out circular linked list */
-};
-
-#define MGCP_ONHOOK 1
-#define MGCP_OFFHOOK 2
-
-#define TYPE_TRUNK 1
-#define TYPE_LINE 2
-
-struct mgcp_endpoint {
- ast_mutex_t lock;
- char name[80];
- struct mgcp_subchannel *sub; /*!< Pointer to our current connection, channel and stuff */
- char accountcode[AST_MAX_ACCOUNT_CODE];
- char exten[AST_MAX_EXTENSION]; /*!< Extension where to start */
- char context[AST_MAX_EXTENSION];
- char language[MAX_LANGUAGE];
- char cid_num[AST_MAX_EXTENSION]; /*!< Caller*ID number */
- char cid_name[AST_MAX_EXTENSION]; /*!< Caller*ID name */
- char lastcallerid[AST_MAX_EXTENSION]; /*!< Last Caller*ID */
- char dtmf_buf[AST_MAX_EXTENSION]; /*!< place to collect digits be */
- char call_forward[AST_MAX_EXTENSION]; /*!< Last Caller*ID */
- char musicclass[MAX_MUSICCLASS];
- char curtone[80]; /*!< Current tone */
- char mailbox[AST_MAX_EXTENSION];
- char parkinglot[AST_MAX_CONTEXT]; /*!< Parkinglot */
- struct ast_mwi_subscriber *mwi_event_sub;
- ast_group_t callgroup;
- ast_group_t pickupgroup;
- int callwaiting;
- int hascallwaiting;
- int transfer;
- int threewaycalling;
- int singlepath;
- int cancallforward;
- int directmedia;
- int callreturn;
- int dnd; /* How does this affect callwait? Do we just deny a mgcp_request if we're dnd? */
- int hascallerid;
- int hidecallerid;
- int dtmfmode;
- int amaflags;
- int ncs;
- int pktcgatealloc;
- int hangupongateremove;
- int type;
- int slowsequence; /*!< MS: Sequence the endpoint as a whole */
- int group;
- int iseq; /*!< Not used? */
- int lastout; /*!< tracking this on the subchannels. Is it needed here? */
- int needdestroy; /*!< Not used? */
- struct ast_format_cap *cap;
- int nonCodecCapability;
- int onhooktime;
- int msgstate; /*!< voicemail message state */
- int immediate;
- int hookstate;
- int adsi;
- char rqnt_ident[80]; /*!< request identifier */
- struct mgcp_request *rqnt_queue; /*!< pending RQNT commands */
- ast_mutex_t rqnt_queue_lock;
- struct mgcp_request *cmd_queue; /*!< pending commands other than RQNT */
- ast_mutex_t cmd_queue_lock;
- int delme; /*!< needed for reload */
- int needaudit; /*!< needed for reload */
- struct ast_dsp *dsp; /*!< XXX Should there be a dsp/subchannel? XXX */
- /* owner is tracked on the subchannels, and the *sub indicates whos in charge */
- /* struct ast_channel *owner; */
- /* struct ast_rtp *rtp; */
- /* struct sockaddr_in tmpdest; */
- /* message go the endpoint and not the channel so they stay here */
- struct ast_variable *chanvars; /*!< Variables to set for channel created by user */
- struct mgcp_endpoint *next;
- struct mgcp_gateway *parent;
-};
-
-static struct mgcp_gateway {
- /* A gateway containing one or more endpoints */
- char name[80];
- int isnamedottedip; /*!< is the name FQDN or dotted ip */
- struct sockaddr_in addr;
- struct sockaddr_in defaddr;
- struct in_addr ourip;
- int dynamic;
- int expire; /*!< XXX Should we ever expire dynamic registrations? XXX */
- struct mgcp_endpoint *endpoints;
- struct ast_ha *ha;
-/* obsolete
- time_t lastouttime;
- int lastout;
- int messagepending;
-*/
-/* Wildcard endpoint name */
- char wcardep[30];
- struct mgcp_message *msgs; /*!< gw msg queue */
- ast_mutex_t msgs_lock; /*!< queue lock */
- int retransid; /*!< retrans timer id */
- int delme; /*!< needed for reload */
- int realtime;
- struct mgcp_response *responses;
- struct mgcp_gateway *next;
-} *gateways = NULL;
-
-AST_MUTEX_DEFINE_STATIC(mgcp_reload_lock);
-static int mgcp_reloading = 0;
-
-/*! \brief gatelock: mutex for gateway/endpoint lists */
-AST_MUTEX_DEFINE_STATIC(gatelock);
-
-static int mgcpsock = -1;
-
-static struct sockaddr_in bindaddr;
-
-static void mgcp_set_owner(struct mgcp_subchannel *sub, struct ast_channel *chan);
-static struct ast_frame *mgcp_read(struct ast_channel *ast);
-static int transmit_response(struct mgcp_subchannel *sub, char *msg, struct mgcp_request *req, char *msgrest);
-static int transmit_notify_request(struct mgcp_subchannel *sub, char *tone);
-static int transmit_modify_request(struct mgcp_subchannel *sub);
-static int transmit_connect(struct mgcp_subchannel *sub);
-static int transmit_notify_request_with_callerid(struct mgcp_subchannel *sub, char *tone, char *callernum, char *callername);
-static int transmit_modify_with_sdp(struct mgcp_subchannel *sub, struct ast_rtp_instance *rtp, const struct ast_format_cap *codecs);
-static int transmit_connection_del(struct mgcp_subchannel *sub);
-static int transmit_audit_endpoint(struct mgcp_endpoint *p);
-static void start_rtp(struct mgcp_subchannel *sub);
-static void handle_response(struct mgcp_endpoint *p, struct mgcp_subchannel *sub,
- int result, unsigned int ident, struct mgcp_request *resp);
-static void dump_cmd_queues(struct mgcp_endpoint *p, struct mgcp_subchannel *sub);
-static char *mgcp_reload(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a);
-static int reload_config(int reload);
-
-static struct ast_channel *mgcp_request(const char *type, struct ast_format_cap *cap, const struct ast_assigned_ids *assignedids, const struct ast_channel *requestor, const char *dest, int *cause);
-static int mgcp_call(struct ast_channel *ast, const char *dest, int timeout);
-static int mgcp_hangup(struct ast_channel *ast);
-static int mgcp_answer(struct ast_channel *ast);
-static struct ast_frame *mgcp_read(struct ast_channel *ast);
-static int mgcp_write(struct ast_channel *ast, struct ast_frame *frame);
-static int mgcp_indicate(struct ast_channel *ast, int ind, const void *data, size_t datalen);
-static int mgcp_fixup(struct ast_channel *oldchan, struct ast_channel *newchan);
-static int mgcp_senddigit_begin(struct ast_channel *ast, char digit);
-static int mgcp_senddigit_end(struct ast_channel *ast, char digit, unsigned int duration);
-static int mgcp_devicestate(const char *data);
-static void add_header_offhook(struct mgcp_subchannel *sub, struct mgcp_request *resp, char *tone);
-static int transmit_connect_with_sdp(struct mgcp_subchannel *sub, struct ast_rtp_instance *rtp);
-static struct mgcp_gateway *build_gateway(char *cat, struct ast_variable *v);
-static int mgcp_alloc_pktcgate(struct mgcp_subchannel *sub);
-static int acf_channel_read(struct ast_channel *chan, const char *funcname, char *preparse, char *buf, size_t buflen);
-static struct ast_variable *add_var(const char *buf, struct ast_variable *list);
-static struct ast_variable *copy_vars(struct ast_variable *src);
-
-static struct ast_channel_tech mgcp_tech = {
- .type = "MGCP",
- .description = tdesc,
- .properties = AST_CHAN_TP_WANTSJITTER | AST_CHAN_TP_CREATESJITTER,
- .requester = mgcp_request,
- .devicestate = mgcp_devicestate,
- .call = mgcp_call,
- .hangup = mgcp_hangup,
- .answer = mgcp_answer,
- .read = mgcp_read,
- .write = mgcp_write,
- .indicate = mgcp_indicate,
- .fixup = mgcp_fixup,
- .send_digit_begin = mgcp_senddigit_begin,
- .send_digit_end = mgcp_senddigit_end,
- .func_channel_read = acf_channel_read,
-};
-
-static int has_voicemail(struct mgcp_endpoint *p)
-{
- int new_msgs;
- RAII_VAR(struct stasis_message *, msg, NULL, ao2_cleanup);
-
- msg = stasis_cache_get(ast_mwi_state_cache(), ast_mwi_state_type(), p->mailbox);
- if (msg) {
- struct ast_mwi_state *mwi_state = stasis_message_data(msg);
- new_msgs = mwi_state->new_msgs;
- } else {
- new_msgs = ast_app_has_voicemail(p->mailbox, NULL);
- }
-
- return new_msgs;
-}
-
-static int unalloc_sub(struct mgcp_subchannel *sub)
-{
- struct mgcp_endpoint *p = sub->parent;
- if (p->sub == sub) {
- ast_log(LOG_WARNING, "Trying to unalloc the real channel %s@%s?!?\n", p->name, p->parent->name);
- return -1;
- }
- ast_debug(1, "Released sub %d of channel %s@%s\n", sub->id, p->name, p->parent->name);
-
- mgcp_set_owner(sub, NULL);
- if (!ast_strlen_zero(sub->cxident)) {
- transmit_connection_del(sub);
- }
- sub->cxident[0] = '\0';
- sub->callid[0] = '\0';
- sub->cxmode = MGCP_CX_INACTIVE;
- sub->outgoing = 0;
- sub->alreadygone = 0;
- memset(&sub->tmpdest, 0, sizeof(sub->tmpdest));
- if (sub->rtp) {
- ast_rtp_instance_destroy(sub->rtp);
- sub->rtp = NULL;
- }
- dump_cmd_queues(NULL, sub);
- return 0;
-}
-
-/* modified for new transport mechanism */
-static int __mgcp_xmit(struct mgcp_gateway *gw, char *data, int len)
-{
- int res;
- if (gw->addr.sin_addr.s_addr)
- res=sendto(mgcpsock, data, len, 0, (struct sockaddr *)&gw->addr, sizeof(struct sockaddr_in));
- else
- res=sendto(mgcpsock, data, len, 0, (struct sockaddr *)&gw->defaddr, sizeof(struct sockaddr_in));
- if (res != len) {
- ast_log(LOG_WARNING, "mgcp_xmit returned %d: %s\n", res, strerror(errno));
- }
- return res;
-}
-
-static int resend_response(struct mgcp_subchannel *sub, struct mgcp_response *resp)
-{
- struct mgcp_endpoint *p = sub->parent;
- int res;
- ast_debug(1, "Retransmitting:\n%s\n to %s:%d\n", resp->buf, ast_inet_ntoa(p->parent->addr.sin_addr), ntohs(p->parent->addr.sin_port));
- res = __mgcp_xmit(p->parent, resp->buf, resp->len);
- if (res > 0)
- res = 0;
- return res;
-}
-
-static int send_response(struct mgcp_subchannel *sub, struct mgcp_request *req)
-{
- struct mgcp_endpoint *p = sub->parent;
- int res;
- ast_debug(1, "Transmitting:\n%s\n to %s:%d\n", req->data, ast_inet_ntoa(p->parent->addr.sin_addr), ntohs(p->parent->addr.sin_port));
- res = __mgcp_xmit(p->parent, req->data, req->len);
- if (res > 0)
- res = 0;
- return res;
-}
-
-/* modified for new transport framework */
-static void dump_queue(struct mgcp_gateway *gw, struct mgcp_endpoint *p)
-{
- struct mgcp_message *cur, *q = NULL, *w, *prev;
-
- ast_mutex_lock(&gw->msgs_lock);
- for (prev = NULL, cur = gw->msgs; cur; prev = cur, cur = cur->next) {
- if (!p || cur->owner_ep == p) {
- if (prev) {
- prev->next = cur->next;
- } else {
- gw->msgs = cur->next;
- }
-
- ast_log(LOG_NOTICE, "Removing message from %s transaction %u\n",
- gw->name, cur->seqno);
-
- w = cur;
- if (q) {
- w->next = q;
- } else {
- w->next = NULL;
- }
- q = w;
- }
- }
- ast_mutex_unlock(&gw->msgs_lock);
-
- while (q) {
- cur = q;
- q = q->next;
- ast_free(cur);
- }
-}
-
-static void mgcp_queue_frame(struct mgcp_subchannel *sub, struct ast_frame *f)
-{
- for (;;) {
- if (sub->owner) {
- if (!ast_channel_trylock(sub->owner)) {
- ast_queue_frame(sub->owner, f);
- ast_channel_unlock(sub->owner);
- break;
- } else {
- DEADLOCK_AVOIDANCE(&sub->lock);
- }
- } else {
- break;
- }
- }
-}
-
-static void mgcp_queue_hangup(struct mgcp_subchannel *sub)
-{
- for (;;) {
- if (sub->owner) {
- if (!ast_channel_trylock(sub->owner)) {
- ast_queue_hangup(sub->owner);
- ast_channel_unlock(sub->owner);
- break;
- } else {
- DEADLOCK_AVOIDANCE(&sub->lock);
- }
- } else {
- break;
- }
- }
-}
-
-static void mgcp_queue_control(struct mgcp_subchannel *sub, int control)
-{
- struct ast_frame f = { AST_FRAME_CONTROL, { control } };
- return mgcp_queue_frame(sub, &f);
-}
-
-static int retrans_pkt(const void *data)
-{
- struct mgcp_gateway *gw = (struct mgcp_gateway *)data;
- struct mgcp_message *cur, *exq = NULL, *w, *prev;
- int res = 0;
-
- /* find out expired msgs */
- ast_mutex_lock(&gw->msgs_lock);
-
- for (prev = NULL, cur = gw->msgs; cur; prev = cur, cur = cur->next) {
- if (cur->retrans < MAX_RETRANS) {
- cur->retrans++;
- ast_debug(1, "Retransmitting #%d transaction %u on [%s]\n",
- cur->retrans, cur->seqno, gw->name);
- __mgcp_xmit(gw, cur->buf, cur->len);
- } else {
- if (prev)
- prev->next = cur->next;
- else
- gw->msgs = cur->next;
-
- ast_log(LOG_WARNING, "Maximum retries exceeded for transaction %u on [%s]\n",
- cur->seqno, gw->name);
-
- w = cur;
-
- if (exq) {
- w->next = exq;
- } else {
- w->next = NULL;
- }
- exq = w;
- }
- }
-
- if (!gw->msgs) {
- gw->retransid = -1;
- res = 0;
- } else {
- res = 1;
- }
- ast_mutex_unlock(&gw->msgs_lock);
-
- while (exq) {
- cur = exq;
- /* time-out transaction */
- handle_response(cur->owner_ep, cur->owner_sub, 406, cur->seqno, NULL);
- exq = exq->next;
- ast_free(cur);
- }
-
- return res;
-}
-
-/* modified for the new transaction mechanism */
-static int mgcp_postrequest(struct mgcp_endpoint *p, struct mgcp_subchannel *sub,
- char *data, int len, unsigned int seqno)
-{
- struct mgcp_message *msg;
- struct mgcp_message *cur;
- struct mgcp_gateway *gw;
- struct timeval now;
-
- if (!(msg = ast_malloc(sizeof(*msg) + len))) {
- return -1;
- }
- if (!(gw = ((p && p->parent) ? p->parent : NULL))) {
- ast_free(msg);
- return -1;
- }
-
- msg->owner_sub = sub;
- msg->owner_ep = p;
- msg->seqno = seqno;
- msg->next = NULL;
- msg->len = len;
- msg->retrans = 0;
- memcpy(msg->buf, data, msg->len);
-
- ast_mutex_lock(&gw->msgs_lock);
- for (cur = gw->msgs; cur && cur->next; cur = cur->next);
- if (cur) {
- cur->next = msg;
- } else {
- gw->msgs = msg;
- }
-
- now = ast_tvnow();
- msg->expire = now.tv_sec * 1000 + now.tv_usec / 1000 + DEFAULT_RETRANS;
-
- if (gw->retransid == -1)
- gw->retransid = ast_sched_add(sched, DEFAULT_RETRANS, retrans_pkt, (void *)gw);
- ast_mutex_unlock(&gw->msgs_lock);
- __mgcp_xmit(gw, msg->buf, msg->len);
- /* XXX Should schedule retransmission XXX */
- return 0;
-}
-
-/* modified for new transport */
-static int send_request(struct mgcp_endpoint *p, struct mgcp_subchannel *sub,
- struct mgcp_request *req, unsigned int seqno)
-{
- int res = 0;
- struct mgcp_request **queue, *q, *r, *t;
- ast_mutex_t *l;
-
- ast_debug(1, "Slow sequence is %d\n", p->slowsequence);
- if (p->slowsequence) {
- queue = &p->cmd_queue;
- l = &p->cmd_queue_lock;
- ast_mutex_lock(l);
- } else {
- switch (req->cmd) {
- case MGCP_CMD_DLCX:
- queue = &sub->cx_queue;
- l = &sub->cx_queue_lock;
- ast_mutex_lock(l);
- q = sub->cx_queue;
- /* delete pending cx cmds */
- /* buggy sb5120 */
- if (!sub->parent->ncs) {
- while (q) {
- r = q->next;
- ast_free(q);
- q = r;
- }
- *queue = NULL;
- }
- break;
-
- case MGCP_CMD_CRCX:
- case MGCP_CMD_MDCX:
- queue = &sub->cx_queue;
- l = &sub->cx_queue_lock;
- ast_mutex_lock(l);
- break;
-
- case MGCP_CMD_RQNT:
- queue = &p->rqnt_queue;
- l = &p->rqnt_queue_lock;
- ast_mutex_lock(l);
- break;
-
- default:
- queue = &p->cmd_queue;
- l = &p->cmd_queue_lock;
- ast_mutex_lock(l);
- break;
- }
- }
-
- if (!(r = ast_malloc(sizeof(*r)))) {
- ast_log(LOG_WARNING, "Cannot post MGCP request: insufficient memory\n");
- ast_mutex_unlock(l);
- return -1;
- }
- memcpy(r, req, sizeof(*r));
-
- if (!(*queue)) {
- ast_debug(1, "Posting Request:\n%s to %s:%d\n", req->data,
- ast_inet_ntoa(p->parent->addr.sin_addr), ntohs(p->parent->addr.sin_port));
-
- res = mgcp_postrequest(p, sub, req->data, req->len, seqno);
- } else {
- ast_debug(1, "Queueing Request:\n%s to %s:%d\n", req->data,
- ast_inet_ntoa(p->parent->addr.sin_addr), ntohs(p->parent->addr.sin_port));
- }
-
- /* XXX find tail. We could also keep tail in the data struct for faster access */
- for (t = *queue; t && t->next; t = t->next);
-
- r->next = NULL;
- if (t)
- t->next = r;
- else
- *queue = r;
-
- ast_mutex_unlock(l);
-
- return res;
-}
-
-static int mgcp_call(struct ast_channel *ast, const char *dest, int timeout)
-{
- int res;
- struct mgcp_endpoint *p;
- struct mgcp_subchannel *sub;
- char tone[50] = "";
- const char *distinctive_ring = pbx_builtin_getvar_helper(ast, "ALERT_INFO");
-
- ast_debug(3, "MGCP mgcp_call(%s)\n", ast_channel_name(ast));
- sub = ast_channel_tech_pvt(ast);
- p = sub->parent;
-
- ast_mutex_lock(&sub->lock);
- switch (p->hookstate) {
- case MGCP_OFFHOOK:
- if (!ast_strlen_zero(distinctive_ring)) {
- snprintf(tone, sizeof(tone), "L/wt%s", distinctive_ring);
- ast_debug(3, "MGCP distinctive callwait %s\n", tone);
- } else {
- ast_copy_string(tone, (p->ncs ? "L/wt1" : "L/wt"), sizeof(tone));
- ast_debug(3, "MGCP normal callwait %s\n", tone);
- }
- break;
- case MGCP_ONHOOK:
- default:
- if (!ast_strlen_zero(distinctive_ring)) {
- snprintf(tone, sizeof(tone), "L/r%s", distinctive_ring);
- ast_debug(3, "MGCP distinctive ring %s\n", tone);
- } else {
- ast_copy_string(tone, "L/rg", sizeof(tone));
- ast_debug(3, "MGCP default ring\n");
- }
- break;
- }
-
- if ((ast_channel_state(ast) != AST_STATE_DOWN) && (ast_channel_state(ast) != AST_STATE_RESERVED)) {
- ast_log(LOG_WARNING, "mgcp_call called on %s, neither down nor reserved\n", ast_channel_name(ast));
- ast_mutex_unlock(&sub->lock);
- return -1;
- }
-
- res = 0;
- sub->outgoing = 1;
- sub->cxmode = MGCP_CX_RECVONLY;
- ast_setstate(ast, AST_STATE_RINGING);
- if (p->type == TYPE_LINE) {
- if (!sub->rtp) {
- start_rtp(sub);
- } else {
- transmit_modify_request(sub);
- }
-
- if (sub->next->owner && !ast_strlen_zero(sub->next->cxident) && !ast_strlen_zero(sub->next->callid)) {
- /* try to prevent a callwait from disturbing the other connection */
- sub->next->cxmode = MGCP_CX_RECVONLY;
- transmit_modify_request(sub->next);
- }
-
- transmit_notify_request_with_callerid(sub, tone,
- S_COR(ast_channel_connected(ast)->id.number.valid, ast_channel_connected(ast)->id.number.str, ""),
- S_COR(ast_channel_connected(ast)->id.name.valid, ast_channel_connected(ast)->id.name.str, ""));
- ast_setstate(ast, AST_STATE_RINGING);
-
- if (sub->next->owner && !ast_strlen_zero(sub->next->cxident) && !ast_strlen_zero(sub->next->callid)) {
- /* Put the connection back in sendrecv */
- sub->next->cxmode = MGCP_CX_SENDRECV;
- transmit_modify_request(sub->next);
- }
- } else {
- ast_log(LOG_NOTICE, "Don't know how to dial on trunks yet\n");
- res = -1;
- }
- ast_mutex_unlock(&sub->lock);
- return res;
-}
-
-static int mgcp_hangup(struct ast_channel *ast)
-{
- struct mgcp_subchannel *sub = ast_channel_tech_pvt(ast);
- struct mgcp_endpoint *p = sub->parent;
-
- ast_debug(1, "mgcp_hangup(%s)\n", ast_channel_name(ast));
- if (!ast_channel_tech_pvt(ast)) {
- ast_debug(1, "Asked to hangup channel not connected\n");
- return 0;
- }
- if (strcmp(sub->magic, MGCP_SUBCHANNEL_MAGIC)) {
- ast_debug(1, "Invalid magic. MGCP subchannel freed up already.\n");
- return 0;
- }
- ast_mutex_lock(&sub->lock);
- ast_debug(3, "MGCP mgcp_hangup(%s) on %s@%s\n", ast_channel_name(ast), p->name, p->parent->name);
-
- if ((p->dtmfmode & MGCP_DTMF_INBAND) && p->dsp) {
- /* check whether other channel is active. */
- if (!sub->next->owner) {
- if (p->dtmfmode & MGCP_DTMF_HYBRID) {
- p->dtmfmode &= ~MGCP_DTMF_INBAND;
- }
- ast_debug(2, "MGCP free dsp on %s@%s\n", p->name, p->parent->name);
- ast_dsp_free(p->dsp);
- p->dsp = NULL;
- }
- }
-
- mgcp_set_owner(sub, NULL);
-
- /* for deleting gate */
- if (p->pktcgatealloc && sub->gate) {
- sub->gate->gate_open = NULL;
- sub->gate->gate_remove = NULL;
- sub->gate->got_dq_gi = NULL;
- sub->gate->tech_pvt = NULL;
- if (sub->gate->state == GATE_ALLOC_PROGRESS || sub->gate->state == GATE_ALLOCATED) {
- ast_pktccops_gate_alloc(GATE_DEL, sub->gate, 0, 0, 0, 0, 0, 0, NULL, NULL);
- } else {
- sub->gate->deltimer = time(NULL) + 5;
- }
- sub->gate = NULL;
- }
-
- if (!ast_strlen_zero(sub->cxident)) {
- transmit_connection_del(sub);
- }
- sub->cxident[0] = '\0';
- if ((sub == p->sub) && sub->next->owner) {
- RAII_VAR(struct ast_channel *, bridged, ast_channel_bridge_peer(sub->next->owner), ast_channel_cleanup);
-
- if (p->hookstate == MGCP_OFFHOOK) {
- if (sub->next->owner && bridged) {
- /* ncs fix! */
- transmit_notify_request_with_callerid(p->sub, (p->ncs ? "L/wt1" : "L/wt"),
- S_COR(ast_channel_caller(bridged)->id.number.valid, ast_channel_caller(bridged)->id.number.str, ""),
- S_COR(ast_channel_caller(bridged)->id.name.valid, ast_channel_caller(bridged)->id.name.str, ""));
- }
- } else {
- /* set our other connection as the primary and swith over to it */
- p->sub = sub->next;
- p->sub->cxmode = MGCP_CX_RECVONLY;
- transmit_modify_request(p->sub);
- if (sub->next->owner && bridged) {
- transmit_notify_request_with_callerid(p->sub, "L/rg",
- S_COR(ast_channel_caller(bridged)->id.number.valid, ast_channel_caller(bridged)->id.number.str, ""),
- S_COR(ast_channel_caller(bridged)->id.name.valid, ast_channel_caller(bridged)->id.name.str, ""));
- }
- }
-
- } else if ((sub == p->sub->next) && p->hookstate == MGCP_OFFHOOK) {
- transmit_notify_request(sub, p->ncs ? "" : "L/v");
- } else if (p->hookstate == MGCP_OFFHOOK) {
- transmit_notify_request(sub, "L/ro");
- } else {
- transmit_notify_request(sub, "");
- }
-
- ast_channel_tech_pvt_set(ast, NULL);
- sub->alreadygone = 0;
- sub->outgoing = 0;
- sub->cxmode = MGCP_CX_INACTIVE;
- sub->callid[0] = '\0';
- if (p) {
- memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf));
- }
- /* Reset temporary destination */
- memset(&sub->tmpdest, 0, sizeof(sub->tmpdest));
- if (sub->rtp) {
- ast_rtp_instance_destroy(sub->rtp);
- sub->rtp = NULL;
- }
-
- ast_module_unref(ast_module_info->self);
-
- if ((p->hookstate == MGCP_ONHOOK) && (!sub->next->rtp)) {
- p->hidecallerid = 0;
- if (p->hascallwaiting && !p->callwaiting) {
- ast_verb(3, "Enabling call waiting on %s\n", ast_channel_name(ast));
- p->callwaiting = -1;
- }
- if (has_voicemail(p)) {
- ast_debug(3, "MGCP mgcp_hangup(%s) on %s@%s set vmwi(+)\n",
- ast_channel_name(ast), p->name, p->parent->name);
- transmit_notify_request(sub, "L/vmwi(+)");
- } else {
- ast_debug(3, "MGCP mgcp_hangup(%s) on %s@%s set vmwi(-)\n",
- ast_channel_name(ast), p->name, p->parent->name);
- transmit_notify_request(sub, "L/vmwi(-)");
- }
- }
- ast_mutex_unlock(&sub->lock);
- return 0;
-}
-
-static char *handle_mgcp_show_endpoints(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
-{
- struct mgcp_gateway *mg;
- struct mgcp_endpoint *me;
- int hasendpoints = 0;
- struct ast_variable * v = NULL;
-
- switch (cmd) {
- case CLI_INIT:
- e->command = "mgcp show endpoints";
- e->usage =
- "Usage: mgcp show endpoints\n"
- " Lists all endpoints known to the MGCP (Media Gateway Control Protocol) subsystem.\n";
- return NULL;
- case CLI_GENERATE:
- return NULL;
- }
-
- if (a->argc != 3) {
- return CLI_SHOWUSAGE;
- }
- ast_mutex_lock(&gatelock);
- for (mg = gateways; mg; mg = mg->next) {
- ast_cli(a->fd, "Gateway '%s' at %s (%s%s)\n", mg->name, mg->addr.sin_addr.s_addr ? ast_inet_ntoa(mg->addr.sin_addr) : ast_inet_ntoa(mg->defaddr.sin_addr), mg->realtime ? "Realtime, " : "", mg->dynamic ? "Dynamic" : "Static");
- for (me = mg->endpoints; me; me = me->next) {
- ast_cli(a->fd, " -- '%s@%s in '%s' is %s\n", me->name, mg->name, me->context, me->sub->owner ? "active" : "idle");
- if (me->chanvars) {
- ast_cli(a->fd, " Variables:\n");
- for (v = me->chanvars ; v ; v = v->next) {
- ast_cli(a->fd, " %s = '%s'\n", v->name, v->value);
- }
- }
- hasendpoints = 1;
- }
- if (!hasendpoints) {
- ast_cli(a->fd, " << No Endpoints Defined >> ");
- }
- }
- ast_mutex_unlock(&gatelock);
- return CLI_SUCCESS;
-}
-
-static char *handle_mgcp_audit_endpoint(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
-{
- struct mgcp_gateway *mg;
- struct mgcp_endpoint *me;
- int found = 0;
- char *ename,*gname, *c;
-
- switch (cmd) {
- case CLI_INIT:
- e->command = "mgcp audit endpoint";
- e->usage =
- "Usage: mgcp audit endpoint <endpointid>\n"
- " Lists the capabilities of an endpoint in the MGCP (Media Gateway Control Protocol) subsystem.\n"
- " Debug logging (core set debug on) MUST be on to see the results of this command.\n";
- return NULL;
- case CLI_GENERATE:
- return NULL;
- }
-
- if (!DEBUG_ATLEAST(1)) {
- return CLI_SHOWUSAGE;
- }
- if (a->argc != 4)
- return CLI_SHOWUSAGE;
- /* split the name into parts by null */
- ename = ast_strdupa(a->argv[3]);
- for (gname = ename; *gname; gname++) {
- if (*gname == '@') {
- *gname = 0;
- gname++;
- break;
- }
- }
- if (gname[0] == '[') {
- gname++;
- }
- if ((c = strrchr(gname, ']'))) {
- *c = '\0';
- }
- ast_mutex_lock(&gatelock);
- for (mg = gateways; mg; mg = mg->next) {
- if (!strcasecmp(mg->name, gname)) {
- for (me = mg->endpoints; me; me = me->next) {
- if (!strcasecmp(me->name, ename)) {
- found = 1;
- transmit_audit_endpoint(me);
- break;
- }
- }
- if (found) {
- break;
- }
- }
- }
- if (!found) {
- ast_cli(a->fd, " << Could not find endpoint >> ");
- }
- ast_mutex_unlock(&gatelock);
- return CLI_SUCCESS;
-}
-
-static struct ast_cli_entry cli_mgcp[] = {
- AST_CLI_DEFINE(handle_mgcp_audit_endpoint, "Audit specified MGCP endpoint"),
- AST_CLI_DEFINE(handle_mgcp_show_endpoints, "List defined MGCP endpoints"),
- AST_CLI_DEFINE(mgcp_reload, "Reload MGCP configuration"),
-};
-
-static int mgcp_answer(struct ast_channel *ast)
-{
- int res = 0;
- struct mgcp_subchannel *sub = ast_channel_tech_pvt(ast);
- struct mgcp_endpoint *p = sub->parent;
-
- ast_mutex_lock(&sub->lock);
- sub->cxmode = MGCP_CX_SENDRECV;
- if (!sub->rtp) {
- start_rtp(sub);
- } else {
- transmit_modify_request(sub);
- }
- ast_verb(3, "MGCP mgcp_answer(%s) on %s@%s-%d\n",
- ast_channel_name(ast), p->name, p->parent->name, sub->id);
- if (ast_channel_state(ast) != AST_STATE_UP) {
- ast_setstate(ast, AST_STATE_UP);
- ast_debug(1, "mgcp_answer(%s)\n", ast_channel_name(ast));
- transmit_notify_request(sub, "");
- transmit_modify_request(sub);
- }
- ast_mutex_unlock(&sub->lock);
- return res;
-}
-
-static struct ast_frame *mgcp_rtp_read(struct mgcp_subchannel *sub)
-{
- /* Retrieve audio/etc from channel. Assumes sub->lock is already held. */
- struct ast_frame *f;
-
- f = ast_rtp_instance_read(sub->rtp, 0);
- /* Don't send RFC2833 if we're not supposed to */
- if (f && (f->frametype == AST_FRAME_DTMF) && !(sub->parent->dtmfmode & MGCP_DTMF_RFC2833))
- return &ast_null_frame;
- if (sub->owner) {
- /* We already hold the channel lock */
- if (f->frametype == AST_FRAME_VOICE) {
- if (ast_format_cap_iscompatible_format(ast_channel_nativeformats(sub->owner), f->subclass.format) == AST_FORMAT_CMP_NOT_EQUAL) {
- struct ast_format_cap *caps;
-
- ast_debug(1, "Oooh, format changed to %s\n", ast_format_get_name(f->subclass.format));
-
- caps = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_DEFAULT);
- if (caps) {
- ast_format_cap_append(caps, f->subclass.format, 0);
- ast_channel_nativeformats_set(sub->owner, caps);
- ao2_ref(caps, -1);
- } else {
- return &ast_null_frame;
- }
-
- ast_set_read_format(sub->owner, ast_channel_readformat(sub->owner));
- ast_set_write_format(sub->owner, ast_channel_writeformat(sub->owner));
- }
- /* Courtesy fearnor aka alex@pilosoft.com */
- if ((sub->parent->dtmfmode & MGCP_DTMF_INBAND) && (sub->parent->dsp)) {
-#if 0
- ast_log(LOG_NOTICE, "MGCP ast_dsp_process\n");
-#endif
- f = ast_dsp_process(sub->owner, sub->parent->dsp, f);
- }
- }
- }
- return f;
-}
-
-static void mgcp_set_owner(struct mgcp_subchannel *sub, struct ast_channel *chan)
-{
- sub->owner = chan;
- if (sub->rtp) {
- ast_rtp_instance_set_channel_id(sub->rtp, sub->owner ? ast_channel_uniqueid(chan) : "");
- }
-}
-
-static struct ast_frame *mgcp_read(struct ast_channel *ast)
-{
- struct ast_frame *f;
- struct mgcp_subchannel *sub = ast_channel_tech_pvt(ast);
- ast_mutex_lock(&sub->lock);
- f = mgcp_rtp_read(sub);
- ast_mutex_unlock(&sub->lock);
- return f;
-}
-
-static int mgcp_write(struct ast_channel *ast, struct ast_frame *frame)
-{
- struct mgcp_subchannel *sub = ast_channel_tech_pvt(ast);
- int res = 0;
-
- if (frame->frametype != AST_FRAME_VOICE) {
- if (frame->frametype == AST_FRAME_IMAGE)
- return 0;
- else {
- ast_log(LOG_WARNING, "Can't send %u type frames with MGCP write\n", frame->frametype);
- return 0;
- }
- } else {
- if (ast_format_cap_iscompatible_format(ast_channel_nativeformats(ast), frame->subclass.format) == AST_FORMAT_CMP_NOT_EQUAL) {
- struct ast_str *cap_buf = ast_str_alloca(AST_FORMAT_CAP_NAMES_LEN);
-
- ast_log(LOG_WARNING, "Asked to transmit frame type %s, while native formats is %s (read/write = %s/%s)\n",
- ast_format_get_name(frame->subclass.format),
- ast_format_cap_get_names(ast_channel_nativeformats(ast), &cap_buf),
- ast_format_get_name(ast_channel_readformat(ast)),
- ast_format_get_name(ast_channel_writeformat(ast)));
- /* return -1; */
- }
- }
- if (sub) {
- ast_mutex_lock(&sub->lock);
- if (!sub->sdpsent && sub->gate) {
- if (sub->gate->state == GATE_ALLOCATED) {
- ast_debug(1, "GATE ALLOCATED, sending sdp\n");
- transmit_modify_with_sdp(sub, NULL, 0);
- }
- }
- if ((sub->parent->sub == sub) || !sub->parent->singlepath) {
- if (sub->rtp) {
- res = ast_rtp_instance_write(sub->rtp, frame);
- }
- }
- ast_mutex_unlock(&sub->lock);
- }
- return res;
-}
-
-static int mgcp_fixup(struct ast_channel *oldchan, struct ast_channel *newchan)
-{
- struct mgcp_subchannel *sub = ast_channel_tech_pvt(newchan);
-
- ast_mutex_lock(&sub->lock);
- ast_log(LOG_NOTICE, "mgcp_fixup(%s, %s)\n", ast_channel_name(oldchan), ast_channel_name(newchan));
- if (sub->owner != oldchan) {
- ast_mutex_unlock(&sub->lock);
- ast_log(LOG_WARNING, "old channel wasn't %p but was %p\n", oldchan, sub->owner);
- return -1;
- }
- mgcp_set_owner(sub, newchan);
- ast_mutex_unlock(&sub->lock);
- return 0;
-}
-
-static int mgcp_senddigit_begin(struct ast_channel *ast, char digit)
-{
- struct mgcp_subchannel *sub = ast_channel_tech_pvt(ast);
- struct mgcp_endpoint *p = sub->parent;
- int res = 0;
-
- ast_mutex_lock(&sub->lock);
- if (p->dtmfmode & MGCP_DTMF_INBAND || p->dtmfmode & MGCP_DTMF_HYBRID) {
- ast_debug(1, "Sending DTMF using inband/hybrid\n");
- res = -1; /* Let asterisk play inband indications */
- } else if (p->dtmfmode & MGCP_DTMF_RFC2833) {
- ast_debug(1, "Sending DTMF using RFC2833\n");
- ast_rtp_instance_dtmf_begin(sub->rtp, digit);
- } else {
- ast_log(LOG_ERROR, "Don't know about DTMF_MODE %d\n", p->dtmfmode);
- }
- ast_mutex_unlock(&sub->lock);
-
- return res;
-}
-
-static int mgcp_senddigit_end(struct ast_channel *ast, char digit, unsigned int duration)
-{
- struct mgcp_subchannel *sub = ast_channel_tech_pvt(ast);
- struct mgcp_endpoint *p = sub->parent;
- int res = 0;
- char tmp[4];
-
- ast_mutex_lock(&sub->lock);
- if (p->dtmfmode & MGCP_DTMF_INBAND || p->dtmfmode & MGCP_DTMF_HYBRID) {
- ast_debug(1, "Stopping DTMF using inband/hybrid\n");
- res = -1; /* Tell Asterisk to stop inband indications */
- } else if (p->dtmfmode & MGCP_DTMF_RFC2833) {
- ast_debug(1, "Stopping DTMF using RFC2833\n");
- if (sub->parent->ncs) {
- tmp[0] = digit;
- tmp[1] = '\0';
- } else {
- tmp[0] = 'D';
- tmp[1] = '/';
- tmp[2] = digit;
- tmp[3] = '\0';
- }
- transmit_notify_request(sub, tmp);
- ast_rtp_instance_dtmf_end(sub->rtp, digit);
- } else {
- ast_log(LOG_ERROR, "Don't know about DTMF_MODE %d\n", p->dtmfmode);
- }
- ast_mutex_unlock(&sub->lock);
-
- return res;
-}
-
-/*!
- * \brief mgcp_devicestate: channel callback for device status monitoring
- * \param data tech/resource name of MGCP device to query
- *
- * Callback for device state management in channel subsystem
- * to obtain device status (up/down) of a specific MGCP endpoint
- *
- * \return device status result (from devicestate.h) AST_DEVICE_INVALID (not available) or AST_DEVICE_UNKNOWN (available but unknown state)
- */
-static int mgcp_devicestate(const char *data)
-{
- struct mgcp_gateway *g;
- struct mgcp_endpoint *e = NULL;
- char *tmp, *endpt, *gw;
- int ret = AST_DEVICE_INVALID;
-
- endpt = ast_strdupa(data);
- if ((tmp = strchr(endpt, '@'))) {
- *tmp++ = '\0';
- gw = tmp;
- } else
- goto error;
-
- ast_mutex_lock(&gatelock);
- for (g = gateways; g; g = g->next) {
- if (strcasecmp(g->name, gw) == 0) {
- e = g->endpoints;
- break;
- }
- }
-
- if (!e)
- goto error;
-
- for (; e; e = e->next) {
- if (strcasecmp(e->name, endpt) == 0) {
- break;
- }
- }
-
- if (!e)
- goto error;
-
- /*
- * As long as the gateway/endpoint is valid, we'll
- * assume that the device is available and its state
- * can be tracked.
- */
- ret = AST_DEVICE_UNKNOWN;
-
-error:
- ast_mutex_unlock(&gatelock);
- return ret;
-}
-
-static char *control2str(int ind) {
- switch (ind) {
- case AST_CONTROL_HANGUP:
- return "Other end has hungup";
- case AST_CONTROL_RING:
- return "Local ring";
- case AST_CONTROL_RINGING:
- return "Remote end is ringing";
- case AST_CONTROL_ANSWER:
- return "Remote end has answered";
- case AST_CONTROL_BUSY:
- return "Remote end is busy";
- case AST_CONTROL_TAKEOFFHOOK:
- return "Make it go off hook";
- case AST_CONTROL_OFFHOOK:
- return "Line is off hook";
- case AST_CONTROL_CONGESTION:
- return "Congestion (circuits busy)";
- case AST_CONTROL_FLASH:
- return "Flash hook";
- case AST_CONTROL_WINK:
- return "Wink";
- case AST_CONTROL_OPTION:
- return "Set a low-level option";
- case AST_CONTROL_RADIO_KEY:
- return "Key Radio";
- case AST_CONTROL_RADIO_UNKEY:
- return "Un-Key Radio";
- }
- return "UNKNOWN";
-}
-
-static int mgcp_indicate(struct ast_channel *ast, int ind, const void *data, size_t datalen)
-{
- struct mgcp_subchannel *sub = ast_channel_tech_pvt(ast);
- int res = 0;
-
- ast_debug(3, "MGCP asked to indicate %d '%s' condition on channel %s\n",
- ind, control2str(ind), ast_channel_name(ast));
- ast_mutex_lock(&sub->lock);
- switch(ind) {
- case AST_CONTROL_RINGING:
-#ifdef DLINK_BUGGY_FIRMWARE
- transmit_notify_request(sub, "rt");
-#else
- if (!sub->sdpsent) { /* will hide the inband progress!!! */
- transmit_notify_request(sub, sub->parent->ncs ? "L/rt" : "G/rt");
- }
-#endif
- break;
- case AST_CONTROL_BUSY:
- transmit_notify_request(sub, "L/bz");
- break;
- case AST_CONTROL_INCOMPLETE:
- /* We do not currently support resetting of the Interdigit Timer, so treat
- * Incomplete control frames as a congestion response
- */
- case AST_CONTROL_CONGESTION:
- transmit_notify_request(sub, sub->parent->ncs ? "L/cg" : "G/cg");
- break;
- case AST_CONTROL_HOLD:
- ast_moh_start(ast, data, NULL);
- break;
- case AST_CONTROL_UNHOLD:
- ast_moh_stop(ast);
- break;
- case AST_CONTROL_SRCUPDATE:
- ast_rtp_instance_update_source(sub->rtp);
- break;
- case AST_CONTROL_SRCCHANGE:
- ast_rtp_instance_change_source(sub->rtp);
- break;
- case AST_CONTROL_PROGRESS:
- case AST_CONTROL_PROCEEDING:
- transmit_modify_request(sub);
- case -1:
- transmit_notify_request(sub, "");
- break;
- default:
- ast_log(LOG_WARNING, "Don't know how to indicate condition %d\n", ind);
- /* fallthrough */
- case AST_CONTROL_PVT_CAUSE_CODE:
- res = -1;
- }
- ast_mutex_unlock(&sub->lock);
- return res;
-}
-
-static struct ast_channel *mgcp_new(struct mgcp_subchannel *sub, int state, const struct ast_assigned_ids *assignedids, const struct ast_channel *requestor)
-{
- struct ast_format_cap *caps = NULL;
- struct ast_channel *tmp;
- struct ast_variable *v = NULL;
- struct mgcp_endpoint *i = sub->parent;
- struct ast_format *tmpfmt;
-
- caps = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_DEFAULT);
- if (!caps) {
- ast_log(LOG_ERROR, "Format capabilities could not be created\n");
- return NULL;
- }
- tmp = ast_channel_alloc(1, state, i->cid_num, i->cid_name, i->accountcode, i->exten, i->context, assignedids, requestor, i->amaflags, "MGCP/%s@%s-%d", i->name, i->parent->name, sub->id);
- if (!tmp) {
- ast_log(LOG_WARNING, "Channel could not be created\n");
- ao2_ref(caps, -1);
- return NULL;
- }
-
- ast_channel_stage_snapshot(tmp);
- ast_channel_tech_set(tmp, &mgcp_tech);
- if (ast_format_cap_count(i->cap)) {
- ast_format_cap_append_from_cap(caps, i->cap, AST_MEDIA_TYPE_UNKNOWN);
- } else {
- ast_format_cap_append_from_cap(caps, global_capability, AST_MEDIA_TYPE_UNKNOWN);
- }
- ast_channel_nativeformats_set(tmp, caps);
- ao2_ref(caps, -1);
- if (sub->rtp) {
- ast_channel_set_fd(tmp, 0, ast_rtp_instance_fd(sub->rtp, 0));
- }
- if (i->dtmfmode & (MGCP_DTMF_INBAND | MGCP_DTMF_HYBRID)) {
- i->dsp = ast_dsp_new();
- ast_dsp_set_features(i->dsp, DSP_FEATURE_DIGIT_DETECT);
- /* this is to prevent clipping of dtmf tones during dsp processing */
- ast_dsp_set_digitmode(i->dsp, DSP_DIGITMODE_NOQUELCH);
- } else {
- i->dsp = NULL;
- }
- if (state == AST_STATE_RING) {
- ast_channel_rings_set(tmp, 1);
- }
-
- tmpfmt = ast_format_cap_get_format(ast_channel_nativeformats(tmp), 0);
- ast_channel_set_writeformat(tmp, tmpfmt);
- ast_channel_set_rawwriteformat(tmp, tmpfmt);
- ast_channel_set_readformat(tmp, tmpfmt);
- ast_channel_set_rawreadformat(tmp, tmpfmt);
- ao2_ref(tmpfmt, -1);
- ast_channel_tech_pvt_set(tmp, sub);
- if (!ast_strlen_zero(i->language))
- ast_channel_language_set(tmp, i->language);
- if (!ast_strlen_zero(i->accountcode))
- ast_channel_accountcode_set(tmp, i->accountcode);
- if (i->amaflags)
- ast_channel_amaflags_set(tmp, i->amaflags);
- mgcp_set_owner(sub, tmp);
- ast_module_ref(ast_module_info->self);
- ast_channel_callgroup_set(tmp, i->callgroup);
- ast_channel_pickupgroup_set(tmp, i->pickupgroup);
- ast_channel_call_forward_set(tmp, i->call_forward);
- ast_channel_context_set(tmp, i->context);
- ast_channel_exten_set(tmp, i->exten);
- /* Don't use ast_set_callerid() here because it will
- * generate a needless NewCallerID event */
- if (!ast_strlen_zero(i->cid_num)) {
- ast_channel_caller(tmp)->ani.number.valid = 1;
- ast_channel_caller(tmp)->ani.number.str = ast_strdup(i->cid_num);
- }
-
- if (!i->adsi) {
- ast_channel_adsicpe_set(tmp, AST_ADSI_UNAVAILABLE);
- }
- ast_channel_priority_set(tmp, 1);
-
- /* Set channel variables for this call from configuration */
- for (v = i->chanvars ; v ; v = v->next) {
- char valuebuf[1024];
- pbx_builtin_setvar_helper(tmp, v->name, ast_get_encoded_str(v->value, valuebuf, sizeof(valuebuf)));
- }
-
- if (sub->rtp) {
- ast_jb_configure(tmp, &global_jbconf);
- }
-
- ast_channel_stage_snapshot_done(tmp);
- ast_channel_unlock(tmp);
-
- if (state != AST_STATE_DOWN) {
- if (ast_pbx_start(tmp)) {
- ast_log(LOG_WARNING, "Unable to start PBX on %s\n", ast_channel_name(tmp));
- ast_hangup(tmp);
- tmp = NULL;
- }
- }
- ast_verb(3, "MGCP mgcp_new(%s) created in state: %s\n",
- ast_channel_name(tmp), ast_state2str(state));
-
- return tmp;
-}
-
-static char *get_sdp_by_line(char* line, char *name, int nameLen)
-{
- if (strncasecmp(line, name, nameLen) == 0 && line[nameLen] == '=') {
- char *r = line + nameLen + 1;
- while (*r && (*r < 33)) ++r;
- return r;
- }
- return "";
-}
-
-static char *get_sdp(struct mgcp_request *req, char *name)
-{
- int x;
- int len = strlen(name);
- char *r;
-
- for (x = 0; x < req->lines; x++) {
- r = get_sdp_by_line(req->line[x], name, len);
- if (r[0] != '\0') return r;
- }
- return "";
-}
-
-static void sdpLineNum_iterator_init(int *iterator)
-{
- *iterator = 0;
-}
-
-static char *get_sdp_iterate(int* iterator, struct mgcp_request *req, char *name)
-{
- int len = strlen(name);
- char *r;
- while (*iterator < req->lines) {
- r = get_sdp_by_line(req->line[(*iterator)++], name, len);
- if (r[0] != '\0') return r;
- }
- return "";
-}
-
-static char *__get_header(struct mgcp_request *req, char *name, int *start, char *def)
-{
- int x;
- int len = strlen(name);
- char *r;
- for (x = *start; x < req->headers; x++) {
- if (!strncasecmp(req->header[x], name, len) &&
- (req->header[x][len] == ':')) {
- r = req->header[x] + len + 1;
- while (*r && (*r < 33)) {
- r++;
- }
- *start = x + 1;
- return r;
- }
- }
- /* Don't return NULL, so get_header is always a valid pointer */
- return def;
-}
-
-static char *get_header(struct mgcp_request *req, char *name)
-{
- int start = 0;
- return __get_header(req, name, &start, "");
-}
-
-/*! \brief get_csv: (SC:) get comma separated value */
-static char *get_csv(char *c, int *len, char **next)
-{
- char *s;
-
- *next = NULL, *len = 0;
- if (!c) return NULL;
-
- while (*c && (*c < 33 || *c == ',')) {
- c++;
- }
-
- s = c;
- while (*c && (*c >= 33 && *c != ',')) {
- c++, (*len)++;
- }
- *next = c;
-
- if (*len == 0) {
- s = NULL, *next = NULL;
- }
-
- return s;
-}
-
-static struct mgcp_gateway *find_realtime_gw(char *name, char *at, struct sockaddr_in *sin)
-{
- struct mgcp_gateway *g = NULL;
- struct ast_variable *mgcpgwconfig = NULL;
- struct ast_variable *gwv, *epname = NULL;
- struct mgcp_endpoint *e;
- char lines[256];
- int i, j;
-
- ast_debug(1, "*** find Realtime MGCPGW\n");
-
- if (!(i = ast_check_realtime("mgcpgw")) || !(j = ast_check_realtime("mgcpep"))) {
- return NULL;
- }
-
- if (ast_strlen_zero(at)) {
- ast_debug(1, "null gw name\n");
- return NULL;
- }
-
- if (!(mgcpgwconfig = ast_load_realtime("mgcpgw", "name", at, NULL))) {
- return NULL;
- }
-
- /*!
- * \note This is a fairly odd way of instantiating lines. Instead of each
- * line created by virtue of being in the database (and loaded via
- * ast_load_realtime_multientry), this code forces a specific order with a
- * "lines" entry in the "mgcpgw" record. This has benefits, because as with
- * chan_dahdi, values are inherited across definitions. The downside is
- * that it's not as clear what the values will be simply by looking at a
- * single row in the database, and it's probable that the sanest configuration
- * should have the first column in the "mgcpep" table be "clearvars", with a
- * static value of "all", if any variables are set at all. It may be worth
- * making this assumption explicit in the code in the future, and then just
- * using ast_load_realtime_multientry for the "mgcpep" records.
- */
- lines[0] = '\0';
- for (gwv = mgcpgwconfig; gwv; gwv = gwv->next) {
- if (!strcasecmp(gwv->name, "lines")) {
- ast_copy_string(lines, gwv->value, sizeof(lines));
- break;
- }
- }
- /* Position gwv at the end of the list */
- for (gwv = gwv && gwv->next ? gwv : mgcpgwconfig; gwv->next; gwv = gwv->next);
-
- if (!ast_strlen_zero(lines)) {
- AST_DECLARE_APP_ARGS(args,
- AST_APP_ARG(line)[100];
- );
- AST_STANDARD_APP_ARGS(args, lines);
- for (i = 0; i < args.argc; i++) {
- gwv->next = ast_load_realtime("mgcpep", "name", at, "line", args.line[i], NULL);
-
- /* Remove "line" AND position gwv at the end of the list. */
- for (epname = NULL; gwv->next; gwv = gwv->next) {
- if (!strcasecmp(gwv->next->name, "line")) {
- /* Remove it from the list */
- epname = gwv->next;
- gwv->next = gwv->next->next;
- }
- }
- /* Since "line" instantiates the configuration, we have to move it to the end. */
- if (epname) {
- gwv->next = epname;
- epname->next = NULL;
- gwv = gwv->next;
- }
- }
- }
- for (gwv = mgcpgwconfig; gwv; gwv = gwv->next) {
- ast_debug(1, "MGCP Realtime var: %s => %s\n", gwv->name, gwv->value);
- }
-
- if (mgcpgwconfig) {
- g = build_gateway(at, mgcpgwconfig);
- ast_variables_destroy(mgcpgwconfig);
- }
- if (g) {
- g->next = gateways;
- g->realtime = 1;
- gateways = g;
- for (e = g->endpoints; e; e = e->next) {
- transmit_audit_endpoint(e);
- e->needaudit = 0;
- }
- }
- return g;
-}
-
-static struct mgcp_subchannel *find_subchannel_and_lock(char *name, int msgid, struct sockaddr_in *sin)
-{
- struct mgcp_endpoint *p = NULL;
- struct mgcp_subchannel *sub = NULL;
- struct mgcp_gateway *g;
- char tmp[256] = "";
- char *at = NULL, *c;
- int found = 0;
- if (name) {
- ast_copy_string(tmp, name, sizeof(tmp));
- at = strchr(tmp, '@');
- if (!at) {
- ast_log(LOG_NOTICE, "Endpoint '%s' has no at sign!\n", name);
- return NULL;
- }
- *at++ = '\0';
- }
- ast_mutex_lock(&gatelock);
- if (at && (at[0] == '[')) {
- at++;
- c = strrchr(at, ']');
- if (c) {
- *c = '\0';
- }
- }
- for (g = gateways ? gateways : find_realtime_gw(name, at, sin); g; g = g->next ? g->next : find_realtime_gw(name, at, sin)) {
- if ((!name || !strcasecmp(g->name, at)) &&
- (sin || g->addr.sin_addr.s_addr || g->defaddr.sin_addr.s_addr)) {
- /* Found the gateway. If it's dynamic, save it's address -- now for the endpoint */
- if (sin && g->dynamic && name) {
- if ((g->addr.sin_addr.s_addr != sin->sin_addr.s_addr) ||
- (g->addr.sin_port != sin->sin_port)) {
- memcpy(&g->addr, sin, sizeof(g->addr));
- {
- struct ast_sockaddr tmp1, tmp2;
- struct sockaddr_in tmp3 = {0,};
-
- tmp3.sin_addr = g->ourip;
- ast_sockaddr_from_sin(&tmp1, &g->addr);
- ast_sockaddr_from_sin(&tmp2, &tmp3);
- if (ast_ouraddrfor(&tmp1, &tmp2)) {
- memcpy(&g->ourip, &__ourip, sizeof(g->ourip));
- }
- ast_sockaddr_to_sin(&tmp2, &tmp3);
- g->ourip = tmp3.sin_addr;
- }
- ast_verb(3, "Registered MGCP gateway '%s' at %s port %d\n", g->name, ast_inet_ntoa(g->addr.sin_addr), ntohs(g->addr.sin_port));
- }
- /* not dynamic, check if the name matches */
- } else if (name) {
- if (strcasecmp(g->name, at)) {
- continue;
- }
- /* not dynamic, no name, check if the addr matches */
- } else if (!name && sin) {
- if ((g->addr.sin_addr.s_addr != sin->sin_addr.s_addr) ||
- (g->addr.sin_port != sin->sin_port)) {
- continue;
- }
- } else {
- continue;
- }
- for (p = g->endpoints; p; p = p->next) {
- ast_debug(1, "Searching on %s@%s for subchannel\n", p->name, g->name);
- if (msgid) {
- sub = p->sub;
- found = 1;
- break;
- } else if (name && !strcasecmp(p->name, tmp)) {
- ast_debug(1, "Coundn't determine subchannel, assuming current master %s@%s-%d\n",
- p->name, g->name, p->sub->id);
- sub = p->sub;
- found = 1;
- break;
- }
- }
- if (sub && found) {
- ast_mutex_lock(&sub->lock);
- break;
- }
- }
- }
- ast_mutex_unlock(&gatelock);
- if (!sub) {
- if (name) {
- if (g) {
- ast_log(LOG_NOTICE, "Endpoint '%s' not found on gateway '%s'\n", tmp, at);
- } else {
- ast_log(LOG_NOTICE, "Gateway '%s' (and thus its endpoint '%s') does not exist\n", at, tmp);
- }
- }
- }
- return sub;
-}
-
-static void parse(struct mgcp_request *req)
-{
- /* Divide fields by NULL's */
- char *c;
- int f = 0;
- c = req->data;
-
- /* First header starts immediately */
- req->header[f] = c;
- for (; *c; c++) {
- if (*c == '\n') {
- /* We've got a new header */
- *c = 0;
- ast_debug(3, "Header: %s (%d)\n", req->header[f], (int) strlen(req->header[f]));
- if (ast_strlen_zero(req->header[f])) {
- /* Line by itself means we're now in content */
- c++;
- break;
- }
- if (f >= MGCP_MAX_HEADERS - 1) {
- ast_log(LOG_WARNING, "Too many MGCP headers...\n");
- } else {
- f++;
- }
- req->header[f] = c + 1;
- } else if (*c == '\r') {
- /* Ignore but eliminate \r's */
- *c = 0;
- }
- }
- /* Check for last header */
- if (!ast_strlen_zero(req->header[f])) {
- f++;
- }
- req->headers = f;
- /* Now we process any mime content */
- f = 0;
- req->line[f] = c;
- for (; *c; c++) {
- if (*c == '\n') {
- /* We've got a new line */
- *c = 0;
- ast_debug(3, "Line: %s (%d)\n", req->line[f], (int) strlen(req->line[f]));
- if (f >= MGCP_MAX_LINES - 1) {
- ast_log(LOG_WARNING, "Too many SDP lines...\n");
- } else {
- f++;
- }
- req->line[f] = c + 1;
- } else if (*c == '\r') {
- /* Ignore and eliminate \r's */
- *c = 0;
- }
- }
- /* Check for last line */
- if (!ast_strlen_zero(req->line[f])) {
- f++;
- }
- req->lines = f;
- /* Parse up the initial header */
- c = req->header[0];
- while (*c && *c < 33) c++;
- /* First the verb */
- req->verb = c;
- while (*c && (*c > 32)) c++;
- if (*c) {
- *c = '\0';
- c++;
- while (*c && (*c < 33)) c++;
- req->identifier = c;
- while (*c && (*c > 32)) c++;
- if (*c) {
- *c = '\0';
- c++;
- while (*c && (*c < 33)) c++;
- req->endpoint = c;
- while (*c && (*c > 32)) c++;
- if (*c) {
- *c = '\0';
- c++;
- while (*c && (*c < 33)) c++;
- req->version = c;
- while (*c && (*c > 32)) c++;
- while (*c && (*c < 33)) c++;
- while (*c && (*c > 32)) c++;
- *c = '\0';
- }
- }
- }
-
- ast_debug(1, "Verb: '%s', Identifier: '%s', Endpoint: '%s', Version: '%s'\n",
- req->verb, req->identifier, req->endpoint, req->version);
- ast_debug(1, "%d headers, %d lines\n", req->headers, req->lines);
- if (*c) {
- ast_log(LOG_WARNING, "Odd content, extra stuff left over ('%s')\n", c);
- }
-}
-
-static int process_sdp(struct mgcp_subchannel *sub, struct mgcp_request *req)
-{
- char *m;
- char *c;
- char *a;
- char host[258];
- int len = 0;
- int portno;
- struct ast_format_cap *peercap;
- int peerNonCodecCapability;
- struct ast_sockaddr addr = { {0,} };
- char *codecs;
- int codec, codec_count=0;
- int iterator;
- struct mgcp_endpoint *p = sub->parent;
- struct ast_str *global_buf = ast_str_alloca(AST_FORMAT_CAP_NAMES_LEN);
- struct ast_str *peer_buf = ast_str_alloca(AST_FORMAT_CAP_NAMES_LEN);
- struct ast_str *pvt_buf = ast_str_alloca(AST_FORMAT_CAP_NAMES_LEN);
-
- /* Get codec and RTP info from SDP */
- m = get_sdp(req, "m");
- c = get_sdp(req, "c");
- if (ast_strlen_zero(m) || ast_strlen_zero(c)) {
- ast_log(LOG_WARNING, "Insufficient information for SDP (m = '%s', c = '%s')\n", m, c);
- return -1;
- }
- if (sscanf(c, "IN IP4 %256s", host) != 1) {
- ast_log(LOG_WARNING, "Invalid host in c= line, '%s'\n", c);
- return -1;
- }
- /* XXX This could block for a long time, and block the main thread! XXX */
- if (ast_sockaddr_resolve_first_af(&addr, host, PARSE_PORT_FORBID, AF_INET)) {
- ast_log(LOG_WARNING, "Unable to lookup host in c= line, '%s'\n", c);
- return -1;
- }
- if (sscanf(m, "audio %30d RTP/AVP %n", &portno, &len) != 1 || !len) {
- ast_log(LOG_WARNING, "Malformed media stream descriptor: %s\n", m);
- return -1;
- }
- ast_sockaddr_set_port(&addr, portno);
- ast_rtp_instance_set_remote_address(sub->rtp, &addr);
- ast_debug(3, "Peer RTP is at port %s\n", ast_sockaddr_stringify(&addr));
- /* Scan through the RTP payload types specified in a "m=" line: */
- codecs = ast_strdupa(m + len);
- while (!ast_strlen_zero(codecs)) {
- if (sscanf(codecs, "%30d%n", &codec, &len) != 1) {
- if (codec_count) {
- break;
- }
- ast_log(LOG_WARNING, "Error in codec string '%s' at '%s'\n", m, codecs);
- return -1;
- }
- ast_rtp_codecs_payloads_set_m_type(ast_rtp_instance_get_codecs(sub->rtp), sub->rtp, codec);
- codec_count++;
- codecs += len;
- }
-
- /* Next, scan through each "a=rtpmap:" line, noting each */
- /* specified RTP payload type (with corresponding MIME subtype): */
- sdpLineNum_iterator_init(&iterator);
- while ((a = get_sdp_iterate(&iterator, req, "a"))[0] != '\0') {
- char* mimeSubtype = ast_strdupa(a); /* ensures we have enough space */
- if (sscanf(a, "rtpmap: %30d %127[^/]/", &codec, mimeSubtype) != 2)
- continue;
- /* Note: should really look at the 'freq' and '#chans' params too */
- ast_rtp_codecs_payloads_set_rtpmap_type(ast_rtp_instance_get_codecs(sub->rtp), sub->rtp, codec, "audio", mimeSubtype, 0);
- }
-
- /* Now gather all of the codecs that were asked for: */
- if (!(peercap = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_DEFAULT))) {
- return -1;
- }
- ast_rtp_codecs_payload_formats(ast_rtp_instance_get_codecs(sub->rtp), peercap, &peerNonCodecCapability);
- ast_format_cap_get_compatible(global_capability, peercap, p->cap);
- ast_debug(1, "Capabilities: us - %s, them - %s, combined - %s\n",
- ast_format_cap_get_names(global_capability, &global_buf),
- ast_format_cap_get_names(peercap, &peer_buf),
- ast_format_cap_get_names(p->cap, &pvt_buf));
- ao2_ref(peercap, -1);
-
- ast_debug(1, "Non-codec capabilities: us - %d, them - %d, combined - %d\n",
- nonCodecCapability, peerNonCodecCapability, p->nonCodecCapability);
- if (!ast_format_cap_count(p->cap)) {
- ast_log(LOG_WARNING, "No compatible codecs!\n");
- return -1;
- }
- return 0;
-}
-
-static int add_header(struct mgcp_request *req, const char *var, const char *value)
-{
- if (req->len >= sizeof(req->data) - 4) {
- ast_log(LOG_WARNING, "Out of space, can't add anymore\n");
- return -1;
- }
- if (req->lines) {
- ast_log(LOG_WARNING, "Can't add more headers when lines have been added\n");
- return -1;
- }
- req->header[req->headers] = req->data + req->len;
- snprintf(req->header[req->headers], sizeof(req->data) - req->len, "%s: %s\r\n", var, value);
- req->len += strlen(req->header[req->headers]);
- if (req->headers < MGCP_MAX_HEADERS) {
- req->headers++;
- } else {
- ast_log(LOG_WARNING, "Out of header space\n");
- return -1;
- }
- return 0;
-}
-
-static int add_line(struct mgcp_request *req, char *line)
-{
- if (req->len >= sizeof(req->data) - 4) {
- ast_log(LOG_WARNING, "Out of space, can't add anymore\n");
- return -1;
- }
- if (!req->lines) {
- /* Add extra empty return */
- ast_copy_string(req->data + req->len, "\r\n", sizeof(req->data) - req->len);
- req->len += strlen(req->data + req->len);
- }
- req->line[req->lines] = req->data + req->len;
- snprintf(req->line[req->lines], sizeof(req->data) - req->len, "%s", line);
- req->len += strlen(req->line[req->lines]);
- if (req->lines < MGCP_MAX_LINES) {
- req->lines++;
- } else {
- ast_log(LOG_WARNING, "Out of line space\n");
- return -1;
- }
- return 0;
-}
-
-static int init_resp(struct mgcp_request *req, char *resp, struct mgcp_request *orig, char *resprest)
-{
- /* Initialize a response */
- if (req->headers || req->len) {
- ast_log(LOG_WARNING, "Request already initialized?!?\n");
- return -1;
- }
- req->header[req->headers] = req->data + req->len;
- snprintf(req->header[req->headers], sizeof(req->data) - req->len, "%s %s %s\r\n", resp, orig->identifier, resprest);
- req->len += strlen(req->header[req->headers]);
- if (req->headers < MGCP_MAX_HEADERS) {
- req->headers++;
- } else {
- ast_log(LOG_WARNING, "Out of header space\n");
- }
- return 0;
-}
-
-static int init_req(struct mgcp_endpoint *p, struct mgcp_request *req, char *verb, unsigned int oseq)
-{
- /* Initialize a response */
- if (req->headers || req->len) {
- ast_log(LOG_WARNING, "Request already initialized?!?\n");
- return -1;
- }
- req->header[req->headers] = req->data + req->len;
- /* check if we need brackets around the gw name */
- if (p->parent->isnamedottedip) {
- snprintf(req->header[req->headers], sizeof(req->data) - req->len, "%s %u %s@[%s] MGCP 1.0%s\r\n", verb, oseq, p->name, p->parent->name, p->ncs ? " NCS 1.0" : "");
- } else {
-+ snprintf(req->header[req->headers], sizeof(req->data) - req->len, "%s %u %s@%s MGCP 1.0%s\r\n", verb, oseq, p->name, p->parent->name, p->ncs ? " NCS 1.0" : "");
- }
- req->len += strlen(req->header[req->headers]);
- if (req->headers < MGCP_MAX_HEADERS) {
- req->headers++;
- } else {
- ast_log(LOG_WARNING, "Out of header space\n");
- }
- return 0;
-}
-
-
-static int respprep(struct mgcp_request *resp, struct mgcp_endpoint *p, char *msg, struct mgcp_request *req, char *msgrest)
-{
- memset(resp, 0, sizeof(*resp));
- init_resp(resp, msg, req, msgrest);
- return 0;
-}
-
-static int reqprep(struct mgcp_request *req, struct mgcp_endpoint *p, char *verb)
-{
- unsigned int oseq;
- memset(req, 0, sizeof(struct mgcp_request));
- ast_mutex_lock(&oseq_lock);
- oseq_global++;
- if (oseq_global > 999999999) {
- oseq_global = 1;
- }
- oseq = oseq_global;
- ast_mutex_unlock(&oseq_lock);
- init_req(p, req, verb, oseq);
- return oseq;
-}
-
-static int transmit_response(struct mgcp_subchannel *sub, char *msg, struct mgcp_request *req, char *msgrest)
-{
- struct mgcp_request resp;
- struct mgcp_endpoint *p = sub->parent;
- struct mgcp_response *mgr;
-
- if (!sub) {
- return -1;
- }
-
- respprep(&resp, p, msg, req, msgrest);
- if (!(mgr = ast_calloc(1, sizeof(*mgr) + resp.len + 1))) {
- return send_response(sub, &resp);
- }
- /* Store MGCP response in case we have to retransmit */
- sscanf(req->identifier, "%30d", &mgr->seqno);
- time(&mgr->whensent);
- mgr->len = resp.len;
- memcpy(mgr->buf, resp.data, resp.len);
- mgr->buf[resp.len] = '\0';
- mgr->next = p->parent->responses;
- p->parent->responses = mgr;
-
- return send_response(sub, &resp);
-}
-
-
-static int add_sdp(struct mgcp_request *resp, struct mgcp_subchannel *sub, struct ast_rtp_instance *rtp)
-{
- int len;
- int codec;
- char costr[80];
- struct sockaddr_in sin;
- struct ast_sockaddr sin_tmp;
- char v[256];
- char s[256];
- char o[256];
- char c[256];
- char t[256];
- char m[256] = "";
- char a[1024] = "";
- int x;
- struct sockaddr_in dest = { 0, };
- struct ast_sockaddr dest_tmp;
- struct mgcp_endpoint *p = sub->parent;
- /* XXX We break with the "recommendation" and send our IP, in order that our
- peer doesn't have to ast_gethostbyname() us XXX */
- len = 0;
- if (!sub->rtp) {
- ast_log(LOG_WARNING, "No way to add SDP without an RTP structure\n");
- return -1;
- }
- ast_rtp_instance_get_local_address(sub->rtp, &sin_tmp);
- ast_sockaddr_to_sin(&sin_tmp, &sin);
- if (rtp) {
- ast_rtp_instance_get_remote_address(sub->rtp, &dest_tmp);
- ast_sockaddr_to_sin(&dest_tmp, &dest);
- } else {
- if (sub->tmpdest.sin_addr.s_addr) {
- dest.sin_addr = sub->tmpdest.sin_addr;
- dest.sin_port = sub->tmpdest.sin_port;
- /* Reset temporary destination */
- memset(&sub->tmpdest, 0, sizeof(sub->tmpdest));
- } else {
- dest.sin_addr = p->parent->ourip;
- dest.sin_port = sin.sin_port;
- }
- }
- ast_debug(1, "We're at %s port %d\n", ast_inet_ntoa(p->parent->ourip), ntohs(sin.sin_port));
- ast_copy_string(v, "v=0\r\n", sizeof(v));
- snprintf(o, sizeof(o), "o=root %d %d IN IP4 %s\r\n", (int)getpid(), (int)getpid(), ast_inet_ntoa(dest.sin_addr));
- ast_copy_string(s, "s=session\r\n", sizeof(s));
- snprintf(c, sizeof(c), "c=IN IP4 %s\r\n", ast_inet_ntoa(dest.sin_addr));
- ast_copy_string(t, "t=0 0\r\n", sizeof(t));
- snprintf(m, sizeof(m), "m=audio %d RTP/AVP", ntohs(dest.sin_port));
-
- for (x = 0; x < ast_format_cap_count(p->cap); x++) {
- struct ast_format *format = ast_format_cap_get_format(p->cap, x);
-
- if (ast_format_get_type(format) != AST_MEDIA_TYPE_AUDIO) {
- ao2_ref(format, -1);
- continue;
- }
-
- ast_debug(1, "Answering with capability %s\n", ast_format_get_name(format));
- codec = ast_rtp_codecs_payload_code(ast_rtp_instance_get_codecs(sub->rtp), 1, format, 0);
- if (codec > -1) {
- snprintf(costr, sizeof(costr), " %d", codec);
- strncat(m, costr, sizeof(m) - strlen(m) - 1);
- snprintf(costr, sizeof(costr), "a=rtpmap:%d %s/8000\r\n", codec, ast_rtp_lookup_mime_subtype2(1, format, 0, 0));
- strncat(a, costr, sizeof(a) - strlen(a) - 1);
- }
-
- ao2_ref(format, -1);
- }
-
- for (x = 1LL; x <= AST_RTP_MAX; x <<= 1) {
- if (p->nonCodecCapability & x) {
- ast_debug(1, "Answering with non-codec capability %d\n", (int) x);
- codec = ast_rtp_codecs_payload_code(ast_rtp_instance_get_codecs(sub->rtp), 0, NULL, x);
- if (codec > -1) {
- snprintf(costr, sizeof(costr), " %d", codec);
- strncat(m, costr, sizeof(m) - strlen(m) - 1);
- snprintf(costr, sizeof(costr), "a=rtpmap:%d %s/8000\r\n", codec, ast_rtp_lookup_mime_subtype2(0, NULL, x, 0));
- strncat(a, costr, sizeof(a) - strlen(a) - 1);
- if (x == AST_RTP_DTMF) {
- /* Indicate we support DTMF... Not sure about 16,
- but MSN supports it so dang it, we will too... */
- snprintf(costr, sizeof costr, "a=fmtp:%d 0-16\r\n", codec);
- strncat(a, costr, sizeof(a) - strlen(a) - 1);
- }
- }
- }
- }
- strncat(m, "\r\n", sizeof(m) - strlen(m) - 1);
- len = strlen(v) + strlen(s) + strlen(o) + strlen(c) + strlen(t) + strlen(m) + strlen(a);
- snprintf(costr, sizeof(costr), "%d", len);
- add_line(resp, v);
- add_line(resp, o);
- add_line(resp, s);
- add_line(resp, c);
- add_line(resp, t);
- add_line(resp, m);
- add_line(resp, a);
- return 0;
-}
-
-static int transmit_modify_with_sdp(struct mgcp_subchannel *sub, struct ast_rtp_instance *rtp, const struct ast_format_cap *codecs)
-{
- struct mgcp_request resp;
- char local[256];
- char tmp[80];
- struct mgcp_endpoint *p = sub->parent;
- int i;
- struct ast_sockaddr sub_tmpdest_tmp;
- unsigned int oseq;
-
- if (ast_strlen_zero(sub->cxident) && rtp) {
- /* We don't have a CXident yet, store the destination and
- wait a bit */
- ast_rtp_instance_get_remote_address(rtp, &sub_tmpdest_tmp);
- ast_sockaddr_to_sin(&sub_tmpdest_tmp, &sub->tmpdest);
- return 0;
- }
- ast_copy_string(local, "e:on, s:off, p:20", sizeof(local));
-
- for (i = 0; i < ast_format_cap_count(p->cap); i++) {
- struct ast_format *format = ast_format_cap_get_format(p->cap, i);
-
- if (ast_format_get_type(format) != AST_MEDIA_TYPE_AUDIO) {
- ao2_ref(format, -1);
- continue;
- }
-
- snprintf(tmp, sizeof(tmp), ", a:%s", ast_rtp_lookup_mime_subtype2(1, format, 0, 0));
- strncat(local, tmp, sizeof(local) - strlen(local) - 1);
-
- ao2_ref(format, -1);
- }
-
- if (sub->gate) {
- if (sub->gate->state == GATE_ALLOCATED || sub->gate->state == GATE_OPEN) {
- snprintf(tmp, sizeof(tmp), ", dq-gi:%x", sub->gate->gateid);
- strncat(local, tmp, sizeof(local) - strlen(local) - 1);
- sub->sdpsent = 1;
- } else {
- /* oops wait */
- ast_debug(1, "Waiting for opened gate...\n");
- sub->sdpsent = 0;
- return 0;
- }
- }
-
-
- oseq = reqprep(&resp, p, "MDCX");
- add_header(&resp, "C", sub->callid);
- add_header(&resp, "L", local);
- add_header(&resp, "M", mgcp_cxmodes[sub->cxmode]);
- /* X header should not be sent. kept for compatibility */
- add_header(&resp, "X", sub->txident);
- add_header(&resp, "I", sub->cxident);
- /*add_header(&resp, "S", "");*/
- add_sdp(&resp, sub, rtp);
- /* fill in new fields */
- resp.cmd = MGCP_CMD_MDCX;
- resp.trid = oseq;
- return send_request(p, sub, &resp, oseq);
-}
-
-static int transmit_connect_with_sdp(struct mgcp_subchannel *sub, struct ast_rtp_instance *rtp)
-{
- struct mgcp_request resp;
- char local[256];
- char tmp[80];
- int i;
- struct mgcp_endpoint *p = sub->parent;
- unsigned int oseq;
-
- ast_debug(3, "Creating connection for %s@%s-%d in cxmode: %s callid: %s\n",
- p->name, p->parent->name, sub->id, mgcp_cxmodes[sub->cxmode], sub->callid);
-
- ast_copy_string(local, "e:on, s:off, p:20", sizeof(local));
-
- for (i = 0; i < ast_format_cap_count(p->cap); i++) {
- struct ast_format *format = ast_format_cap_get_format(p->cap, i);
-
- if (ast_format_get_type(format) != AST_MEDIA_TYPE_AUDIO) {
- ao2_ref(format, -1);
- continue;
- }
-
- snprintf(tmp, sizeof(tmp), ", a:%s", ast_rtp_lookup_mime_subtype2(1, format, 0, 0));
- strncat(local, tmp, sizeof(local) - strlen(local) - 1);
-
- ao2_ref(format, -1);
- }
-
- if (sub->gate) {
- if(sub->gate->state == GATE_ALLOCATED) {
- snprintf(tmp, sizeof(tmp), ", dq-gi:%x", sub->gate->gateid);
- strncat(local, tmp, sizeof(local) - strlen(local) - 1);
- }
- }
- sub->sdpsent = 1;
- oseq = reqprep(&resp, p, "CRCX");
- add_header(&resp, "C", sub->callid);
- add_header(&resp, "L", local);
- add_header(&resp, "M", mgcp_cxmodes[sub->cxmode]);
- /* X header should not be sent. kept for compatibility */
- add_header(&resp, "X", sub->txident);
- /*add_header(&resp, "S", "");*/
- add_sdp(&resp, sub, rtp);
- /* fill in new fields */
- resp.cmd = MGCP_CMD_CRCX;
- resp.trid = oseq;
- return send_request(p, sub, &resp, oseq);
-}
-
-static int mgcp_pktcgate_remove(struct cops_gate *gate)
-{
- struct mgcp_subchannel *sub = gate->tech_pvt;
-
- if (!sub) {
- return 1;
- }
-
- ast_mutex_lock(&sub->lock);
- ast_debug(1, "Pktc: gate 0x%x deleted\n", gate->gateid);
- if (sub->gate->state != GATE_CLOSED && sub->parent->hangupongateremove) {
- sub->gate = NULL;
- if (sub->owner) {
- ast_softhangup(sub->owner, AST_CAUSE_REQUESTED_CHAN_UNAVAIL);
- ast_channel_unlock(sub->owner);
- }
- } else {
- sub->gate = NULL;
- }
- ast_mutex_unlock(&sub->lock);
- return 1;
-}
-
-static int mgcp_pktcgate_open(struct cops_gate *gate)
-{
- struct mgcp_subchannel *sub = gate->tech_pvt;
- if (!sub) {
- return 1;
- }
- ast_mutex_lock(&sub->lock);
- ast_debug(1, "Pktc: gate 0x%x open\n", gate->gateid);
- if (!sub->sdpsent) transmit_modify_with_sdp(sub, NULL, 0);
- ast_mutex_unlock(&sub->lock);
- return 1;
-}
-
-static int mgcp_alloc_pktcgate(struct mgcp_subchannel *sub)
-{
- struct mgcp_endpoint *p = sub->parent;
- sub->gate = ast_pktccops_gate_alloc(GATE_SET, NULL, ntohl(p->parent->addr.sin_addr.s_addr),
- 8, 128000, 232, 0, 0, NULL, &mgcp_pktcgate_remove);
-
- if (!sub->gate) {
- return 0;
- }
- sub->gate->tech_pvt = sub;
- sub->gate->gate_open = &mgcp_pktcgate_open;
- return 1;
-}
-
-static int transmit_connect(struct mgcp_subchannel *sub)
-{
- struct mgcp_request resp;
- int x;
- char local[256];
- char tmp[80];
- struct ast_format *tmpfmt;
- struct mgcp_endpoint *p = sub->parent;
- unsigned int oseq;
-
- ast_copy_string(local, "p:20, s:off, e:on", sizeof(local));
-
- for (x = 0; x < ast_format_cap_count(p->cap); x++) {
- tmpfmt = ast_format_cap_get_format(p->cap, x);
-
- snprintf(tmp, sizeof(tmp), ", a:%s", ast_rtp_lookup_mime_subtype2(1, tmpfmt, 0, 0));
- strncat(local, tmp, sizeof(local) - strlen(local) - 1);
-
- ao2_ref(tmpfmt, -1);
- }
-
- ast_debug(3, "Creating connection for %s@%s-%d in cxmode: %s callid: %s\n",
- p->name, p->parent->name, sub->id, mgcp_cxmodes[sub->cxmode], sub->callid);
- sub->sdpsent = 0;
- oseq = reqprep(&resp, p, "CRCX");
- add_header(&resp, "C", sub->callid);
- add_header(&resp, "L", local);
- add_header(&resp, "M", "inactive");
- /* X header should not be sent. kept for compatibility */
- add_header(&resp, "X", sub->txident);
- /*add_header(&resp, "S", "");*/
- /* fill in new fields */
- resp.cmd = MGCP_CMD_CRCX;
- resp.trid = oseq;
- return send_request(p, sub, &resp, oseq);
-}
-
-static int transmit_notify_request(struct mgcp_subchannel *sub, char *tone)
-{
- struct mgcp_request resp;
- struct mgcp_endpoint *p = sub->parent;
- unsigned int oseq;
-
- ast_debug(3, "MGCP Asked to indicate tone: %s on %s@%s-%d in cxmode: %s\n",
- tone, p->name, p->parent->name, sub->id, mgcp_cxmodes[sub->cxmode]);
- ast_copy_string(p->curtone, tone, sizeof(p->curtone));
- oseq = reqprep(&resp, p, "RQNT");
- add_header(&resp, "X", p->rqnt_ident);
- switch (p->hookstate) {
- case MGCP_ONHOOK:
- add_header(&resp, "R", "L/hd(N)");
- break;
- case MGCP_OFFHOOK:
- add_header_offhook(sub, &resp, tone);
- break;
- }
- if (!ast_strlen_zero(tone)) {
- add_header(&resp, "S", tone);
- }
- /* fill in new fields */
- resp.cmd = MGCP_CMD_RQNT;
- resp.trid = oseq;
- return send_request(p, NULL, &resp, oseq);
-}
-
-static int transmit_notify_request_with_callerid(struct mgcp_subchannel *sub, char *tone, char *callernum, char *callername)
-{
- struct mgcp_request resp;
- char tone2[256];
- char *l, *n;
- struct timeval t = ast_tvnow();
- struct ast_tm tm;
- struct mgcp_endpoint *p = sub->parent;
- unsigned int oseq;
-
- ast_localtime(&t, &tm, NULL);
- n = callername;
- l = callernum;
- if (!n)
- n = "";
- if (!l)
- l = "";
-
- /* Keep track of last callerid for blacklist and callreturn */
- ast_copy_string(p->lastcallerid, l, sizeof(p->lastcallerid));
-
- snprintf(tone2, sizeof(tone2), "%s,L/ci(%02d/%02d/%02d/%02d,%s,%s)", tone,
- tm.tm_mon + 1, tm.tm_mday, tm.tm_hour, tm.tm_min, l, n);
- ast_copy_string(p->curtone, tone, sizeof(p->curtone));
- oseq = reqprep(&resp, p, "RQNT");
- add_header(&resp, "X", p->rqnt_ident);
- switch (p->hookstate) {
- case MGCP_ONHOOK:
- add_header(&resp, "R", "L/hd(N)");
- break;
- case MGCP_OFFHOOK:
- add_header_offhook(sub, &resp, tone);
- break;
- }
- if (!ast_strlen_zero(tone2)) {
- add_header(&resp, "S", tone2);
- }
- ast_debug(3, "MGCP Asked to indicate tone: %s on %s@%s-%d in cxmode: %s\n",
- tone2, p->name, p->parent->name, sub->id, mgcp_cxmodes[sub->cxmode]);
- /* fill in new fields */
- resp.cmd = MGCP_CMD_RQNT;
- resp.trid = oseq;
- return send_request(p, NULL, &resp, oseq);
-}
-
-static int transmit_modify_request(struct mgcp_subchannel *sub)
-{
- struct mgcp_request resp;
- struct mgcp_endpoint *p = sub->parent;
- int i;
- int fc = 1;
- char local[256];
- char tmp[80];
- unsigned int oseq;
-
- if (ast_strlen_zero(sub->cxident)) {
- /* We don't have a CXident yet, store the destination and
- wait a bit */
- return 0;
- }
- ast_debug(3, "Modified %s@%s-%d with new mode: %s on callid: %s\n",
- p->name, p->parent->name, sub->id, mgcp_cxmodes[sub->cxmode], sub->callid);
-
- ast_copy_string(local, "", sizeof(local));
- for (i = 0; i < ast_format_cap_count(p->cap); i++) {
- struct ast_format *format = ast_format_cap_get_format(p->cap, i);
-
- if (p->ncs && !fc) {
- ast_format_cap_remove_by_type(p->cap, AST_MEDIA_TYPE_UNKNOWN);
- ast_format_cap_append(p->cap, format, 0); /* sb5120e bug */
- ao2_ref(format, -1);
- break;
- } else {
- fc = 0;
- snprintf(tmp, sizeof(tmp), ", a:%s", ast_rtp_lookup_mime_subtype2(1, format, 0, 0));
- }
- strncat(local, tmp, sizeof(local) - strlen(local) - 1);
-
- ao2_ref(format, -1);
- }
-
- if (!sub->sdpsent) {
- if (sub->gate) {
- if (sub->gate->state == GATE_ALLOCATED || sub->gate->state == GATE_OPEN) {
- snprintf(tmp, sizeof(tmp), ", dq-gi:%x", sub->gate->gateid);
- strncat(local, tmp, sizeof(local) - strlen(local) - 1);
- } else {
- /* we still don't have gateid wait */
- return 0;
- }
- }
- }
-
- oseq = reqprep(&resp, p, "MDCX");
- add_header(&resp, "C", sub->callid);
- if (!sub->sdpsent) {
- add_header(&resp, "L", local);
- }
- add_header(&resp, "M", mgcp_cxmodes[sub->cxmode]);
- /* X header should not be sent. kept for compatibility */
- add_header(&resp, "X", sub->txident);
- add_header(&resp, "I", sub->cxident);
- switch (sub->parent->hookstate) {
- case MGCP_ONHOOK:
- add_header(&resp, "R", "L/hd(N)");
- break;
- case MGCP_OFFHOOK:
- add_header_offhook(sub, &resp, "");
- break;
- }
- if (!sub->sdpsent) {
- add_sdp(&resp, sub, NULL);
- sub->sdpsent = 1;
- }
- /* fill in new fields */
- resp.cmd = MGCP_CMD_MDCX;
- resp.trid = oseq;
- return send_request(p, sub, &resp, oseq);
-}
-
-
-static void add_header_offhook(struct mgcp_subchannel *sub, struct mgcp_request *resp, char *tone)
-{
- struct mgcp_endpoint *p = sub->parent;
- char tone_indicate_end = 0;
-
- /* We also should check the tone to indicate, because it have no sense
- to request notify D/[0-9#*] (dtmf keys) if we are sending congestion
- tone for example G/cg */
- if (p && (!strcasecmp(tone, (p->ncs ? "L/ro" : "G/cg")))) {
- tone_indicate_end = 1;
- }
-
- if (p && p->sub && p->sub->owner &&
- ast_channel_state(p->sub->owner) >= AST_STATE_RINGING &&
- (p->dtmfmode & (MGCP_DTMF_INBAND | MGCP_DTMF_HYBRID))) {
- add_header(resp, "R", "L/hu(N),L/hf(N)");
-
- } else if (!tone_indicate_end){
- add_header(resp, "R", (p->ncs ? "L/hu(N),L/hf(N),L/[0-9#*](N)" : "L/hu(N),L/hf(N),D/[0-9#*](N)"));
- } else {
- ast_debug(1, "We don't want more digits if we will end the call\n");
- add_header(resp, "R", "L/hu(N),L/hf(N)");
- }
-}
-
-
-
-
-static int transmit_audit_endpoint(struct mgcp_endpoint *p)
-{
- struct mgcp_request resp;
- unsigned int oseq;
- oseq = reqprep(&resp, p, "AUEP");
- /* removed unknown param VS */
- /*add_header(&resp, "F", "A,R,D,S,X,N,I,T,O,ES,E,MD,M");*/
- add_header(&resp, "F", "A");
- /* fill in new fields */
- resp.cmd = MGCP_CMD_AUEP;
- resp.trid = oseq;
- return send_request(p, NULL, &resp, oseq);
-}
-
-static int transmit_connection_del(struct mgcp_subchannel *sub)
-{
- struct mgcp_endpoint *p = sub->parent;
- struct mgcp_request resp;
- unsigned int oseq;
-
- ast_debug(3, "Delete connection %s %s@%s-%d with new mode: %s on callid: %s\n",
- sub->cxident, p->name, p->parent->name, sub->id, mgcp_cxmodes[sub->cxmode], sub->callid);
- oseq = reqprep(&resp, p, "DLCX");
- /* check if call id is avail */
- if (sub->callid[0])
- add_header(&resp, "C", sub->callid);
- /* X header should not be sent. kept for compatibility */
- add_header(&resp, "X", sub->txident);
- /* check if cxident is avail */
- if (sub->cxident[0])
- add_header(&resp, "I", sub->cxident);
- /* fill in new fields */
- resp.cmd = MGCP_CMD_DLCX;
- resp.trid = oseq;
- return send_request(p, sub, &resp, oseq);
-}
-
-static int transmit_connection_del_w_params(struct mgcp_endpoint *p, char *callid, char *cxident)
-{
- struct mgcp_request resp;
- unsigned int oseq;
-
- ast_debug(3, "Delete connection %s %s@%s on callid: %s\n",
- cxident ? cxident : "", p->name, p->parent->name, callid ? callid : "");
- oseq = reqprep(&resp, p, "DLCX");
- /* check if call id is avail */
- if (callid && *callid)
- add_header(&resp, "C", callid);
- /* check if cxident is avail */
- if (cxident && *cxident)
- add_header(&resp, "I", cxident);
- /* fill in new fields */
- resp.cmd = MGCP_CMD_DLCX;
- resp.trid = oseq;
- return send_request(p, p->sub, &resp, oseq);
-}
-
-/*! \brief dump_cmd_queues: (SC:) cleanup pending commands */
-static void dump_cmd_queues(struct mgcp_endpoint *p, struct mgcp_subchannel *sub)
-{
- struct mgcp_request *t, *q;
-
- if (p) {
- ast_mutex_lock(&p->rqnt_queue_lock);
- for (q = p->rqnt_queue; q; t = q->next, ast_free(q), q=t);
- p->rqnt_queue = NULL;
- ast_mutex_unlock(&p->rqnt_queue_lock);
-
- ast_mutex_lock(&p->cmd_queue_lock);
- for (q = p->cmd_queue; q; t = q->next, ast_free(q), q=t);
- p->cmd_queue = NULL;
- ast_mutex_unlock(&p->cmd_queue_lock);
-
- ast_mutex_lock(&p->sub->cx_queue_lock);
- for (q = p->sub->cx_queue; q; t = q->next, ast_free(q), q=t);
- p->sub->cx_queue = NULL;
- ast_mutex_unlock(&p->sub->cx_queue_lock);
-
- ast_mutex_lock(&p->sub->next->cx_queue_lock);
- for (q = p->sub->next->cx_queue; q; t = q->next, ast_free(q), q=t);
- p->sub->next->cx_queue = NULL;
- ast_mutex_unlock(&p->sub->next->cx_queue_lock);
- } else if (sub) {
- ast_mutex_lock(&sub->cx_queue_lock);
- for (q = sub->cx_queue; q; t = q->next, ast_free(q), q=t);
- sub->cx_queue = NULL;
- ast_mutex_unlock(&sub->cx_queue_lock);
- }
-}
-
-
-/*! \brief find_command: (SC:) remove command transaction from queue */
-static struct mgcp_request *find_command(struct mgcp_endpoint *p, struct mgcp_subchannel *sub,
- struct mgcp_request **queue, ast_mutex_t *l, int ident)
-{
- struct mgcp_request *prev, *req;
-
- ast_mutex_lock(l);
- for (prev = NULL, req = *queue; req; prev = req, req = req->next) {
- if (req->trid == ident) {
- /* remove from queue */
- if (!prev)
- *queue = req->next;
- else
- prev->next = req->next;
-
- /* send next pending command */
- if (*queue) {
- ast_debug(1, "Posting Queued Request:\n%s to %s:%d\n", (*queue)->data,
- ast_inet_ntoa(p->parent->addr.sin_addr), ntohs(p->parent->addr.sin_port));
-
- mgcp_postrequest(p, sub, (*queue)->data, (*queue)->len, (*queue)->trid);
- }
- break;
- }
- }
- ast_mutex_unlock(l);
- return req;
-}
-
-/* modified for new transport mechanism */
-static void handle_response(struct mgcp_endpoint *p, struct mgcp_subchannel *sub,
- int result, unsigned int ident, struct mgcp_request *resp)
-{
- char *c;
- struct mgcp_request *req;
- struct mgcp_gateway *gw = p->parent;
-
- if (result < 200) {
- /* provisional response */
- return;
- }
-
- if (p->slowsequence)
- req = find_command(p, sub, &p->cmd_queue, &p->cmd_queue_lock, ident);
- else if (sub)
- req = find_command(p, sub, &sub->cx_queue, &sub->cx_queue_lock, ident);
- else if (!(req = find_command(p, sub, &p->rqnt_queue, &p->rqnt_queue_lock, ident)))
- req = find_command(p, sub, &p->cmd_queue, &p->cmd_queue_lock, ident);
-
- if (!req) {
- ast_verb(3, "No command found on [%s] for transaction %u. Ignoring...\n",
- gw->name, ident);
- return;
- }
-
- if (p && (result >= 400) && (result <= 599)) {
- switch (result) {
- case 401:
- p->hookstate = MGCP_OFFHOOK;
- break;
- case 402:
- p->hookstate = MGCP_ONHOOK;
- break;
- case 406:
- ast_log(LOG_NOTICE, "Transaction %u timed out\n", ident);
- break;
- case 407:
- ast_log(LOG_NOTICE, "Transaction %u aborted\n", ident);
- break;
- }
- if (sub) {
- if (!sub->cxident[0] && (req->cmd == MGCP_CMD_CRCX)) {
- ast_log(LOG_NOTICE, "DLCX for all connections on %s due to error %d\n", gw->name, result);
- transmit_connection_del(sub);
- }
- if (sub->owner) {
- ast_log(LOG_NOTICE, "Terminating on result %d from %s@%s-%d\n",
- result, p->name, p->parent->name, sub ? sub->id:-1);
- mgcp_queue_hangup(sub);
- }
- } else {
- if (p->sub->next->owner) {
- ast_log(LOG_NOTICE, "Terminating on result %d from %s@%s-%d\n",
- result, p->name, p->parent->name, sub ? sub->id:-1);
- mgcp_queue_hangup(p->sub);
- }
-
- if (p->sub->owner) {
- ast_log(LOG_NOTICE, "Terminating on result %d from %s@%s-%d\n",
- result, p->name, p->parent->name, sub ? sub->id:-1);
- mgcp_queue_hangup(p->sub);
- }
-
- dump_cmd_queues(p, NULL);
- }
- }
-
- if (resp) {
- /* responseAck: */
- if (result == 200 && (req->cmd == MGCP_CMD_CRCX || req->cmd == MGCP_CMD_MDCX)) {
- if (sub) {
- transmit_response(sub, "000", resp, "OK");
- if (sub->owner && ast_channel_state(sub->owner) == AST_STATE_RINGING) {
- ast_queue_control(sub->owner, AST_CONTROL_RINGING);
- }
- }
- }
- if (req->cmd == MGCP_CMD_CRCX) {
- if ((c = get_header(resp, "I"))) {
- if (!ast_strlen_zero(c) && sub) {
- /* if we are hanging up do not process this conn. */
- if (sub->owner) {
- if (!ast_strlen_zero(sub->cxident)) {
- if (strcasecmp(c, sub->cxident)) {
- ast_log(LOG_WARNING, "Subchannel already has a cxident. sub->cxident: %s requested %s\n", sub->cxident, c);
- }
- }
- ast_copy_string(sub->cxident, c, sizeof(sub->cxident));
- if (sub->tmpdest.sin_addr.s_addr) {
- transmit_modify_with_sdp(sub, NULL, 0);
- }
- } else {
- /* XXX delete this one
- callid and conn id may already be lost.
- so the following del conn may have a side effect of
- cleaning up the next subchannel */
- transmit_connection_del(sub);
- }
- }
- }
- }
-
- if (req->cmd == MGCP_CMD_AUEP) {
- /* check stale connection ids */
- if ((c = get_header(resp, "I"))) {
- char *v, *n;
- int len;
- while ((v = get_csv(c, &len, &n))) {
- if (len) {
- if (strncasecmp(v, p->sub->cxident, len) &&
- strncasecmp(v, p->sub->next->cxident, len)) {
- /* connection id not found. delete it */
- char cxident[80] = "";
-
- if (len > (sizeof(cxident) - 1))
- len = sizeof(cxident) - 1;
- ast_copy_string(cxident, v, len);
- ast_verb(3, "Non existing connection id %s on %s@%s \n",
- cxident, p->name, gw->name);
- transmit_connection_del_w_params(p, NULL, cxident);
- }
- }
- c = n;
- }
- }
-
- /* Try to determine the hookstate returned from an audit endpoint command */
- if ((c = get_header(resp, "ES"))) {
- if (!ast_strlen_zero(c)) {
- if (strstr(c, "hu")) {
- if (p->hookstate != MGCP_ONHOOK) {
- /* XXX cleanup if we think we are offhook XXX */
- if ((p->sub->owner || p->sub->next->owner ) &&
- p->hookstate == MGCP_OFFHOOK)
- mgcp_queue_hangup(sub);
- p->hookstate = MGCP_ONHOOK;
-
- /* update the requested events according to the new hookstate */
- transmit_notify_request(p->sub, "");
-
- ast_verb(3, "Setting hookstate of %s@%s to ONHOOK\n", p->name, gw->name);
- }
- } else if (strstr(c, "hd")) {
- if (p->hookstate != MGCP_OFFHOOK) {
- p->hookstate = MGCP_OFFHOOK;
-
- /* update the requested events according to the new hookstate */
- transmit_notify_request(p->sub, "");
-
- ast_verb(3, "Setting hookstate of %s@%s to OFFHOOK\n", p->name, gw->name);
- }
- }
- }
- }
- }
-
- if (resp && resp->lines) {
- /* do not process sdp if we are hanging up. this may be a late response */
- if (sub && sub->owner) {
- if (!sub->rtp)
- start_rtp(sub);
- if (sub->rtp)
- process_sdp(sub, resp);
- }
- }
- }
-
- ast_free(req);
-}
-
-static void start_rtp(struct mgcp_subchannel *sub)
-{
- struct ast_sockaddr bindaddr_tmp;
-
- ast_mutex_lock(&sub->lock);
- /* check again to be on the safe side */
- if (sub->rtp) {
- ast_rtp_instance_destroy(sub->rtp);
- sub->rtp = NULL;
- }
- /* Allocate the RTP now */
- ast_sockaddr_from_sin(&bindaddr_tmp, &bindaddr);
- sub->rtp = ast_rtp_instance_new("asterisk", sched, &bindaddr_tmp, NULL);
- if (sub->rtp && sub->owner)
- ast_channel_set_fd(sub->owner, 0, ast_rtp_instance_fd(sub->rtp, 0));
- if (sub->rtp) {
- ast_rtp_instance_set_qos(sub->rtp, qos.tos_audio, qos.cos_audio, "MGCP RTP");
- ast_rtp_instance_set_prop(sub->rtp, AST_RTP_PROPERTY_NAT, sub->nat);
- }
- /* Make a call*ID */
- snprintf(sub->callid, sizeof(sub->callid), "%08lx%s", (unsigned long)ast_random(), sub->txident);
- /* Transmit the connection create */
- if(!sub->parent->pktcgatealloc) {
- transmit_connect_with_sdp(sub, NULL);
- } else {
- transmit_connect(sub);
- sub->gate = NULL;
- if(!mgcp_alloc_pktcgate(sub))
- mgcp_queue_hangup(sub);
- }
- ast_mutex_unlock(&sub->lock);
-}
-
-static void *mgcp_ss(void *data)
-{
- struct ast_channel *chan = data;
- struct mgcp_subchannel *sub = ast_channel_tech_pvt(chan);
- struct mgcp_endpoint *p = sub->parent;
- /* char exten[AST_MAX_EXTENSION] = ""; */
- int len = 0;
- int timeout = firstdigittimeout;
- int res= 0;
- int getforward = 0;
- int loop_pause = 100;
- RAII_VAR(struct ast_features_pickup_config *, pickup_cfg, NULL, ao2_cleanup);
- const char *pickupexten;
-
- len = strlen(p->dtmf_buf);
-
- ast_channel_lock(chan);
- pickup_cfg = ast_get_chan_features_pickup_config(chan);
- if (!pickup_cfg) {
- ast_log(LOG_ERROR, "Unable to retrieve pickup configuration options. Unable to detect call pickup extension\n");
- pickupexten = "";
- } else {
- pickupexten = ast_strdupa(pickup_cfg->pickupexten);
- }
- ast_channel_unlock(chan);
-
- while (len < AST_MAX_EXTENSION - 1) {
- ast_debug(1, "Dtmf buffer '%s' for '%s@%s'\n", p->dtmf_buf, p->name, p->parent->name);
- res = 1; /* Assume that we will get a digit */
- while (strlen(p->dtmf_buf) == len) {
- ast_safe_sleep(chan, loop_pause);
- timeout -= loop_pause;
- if (timeout <= 0){
- res = 0;
- break;
- }
- res = 1;
- }
-
- timeout = 0;
- len = strlen(p->dtmf_buf);
-
- if (!ast_ignore_pattern(ast_channel_context(chan), p->dtmf_buf)) {
- /*res = tone_zone_play_tone(p->subs[index].zfd, -1);*/
- ast_indicate(chan, -1);
- } else {
- /* XXX Redundant? We should already be playing dialtone */
- /*tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_DIALTONE);*/
- transmit_notify_request(sub, "L/dl");
- }
- if (ast_exists_extension(chan, ast_channel_context(chan), p->dtmf_buf, 1, p->cid_num)) {
- if (!res || !ast_matchmore_extension(chan, ast_channel_context(chan), p->dtmf_buf, 1, p->cid_num)) {
- if (getforward) {
- /* Record this as the forwarding extension */
- ast_copy_string(p->call_forward, p->dtmf_buf, sizeof(p->call_forward));
- ast_verb(3, "Setting call forward to '%s' on channel %s\n",
- p->call_forward, ast_channel_name(chan));
- /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_DIALRECALL);*/
- transmit_notify_request(sub, "L/sl");
- if (res)
- break;
- usleep(500000);
- /*res = tone_zone_play_tone(p->subs[index].zfd, -1);*/
- ast_indicate(chan, -1);
- sleep(1);
- memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf));
- /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_DIALTONE);*/
- transmit_notify_request(sub, "L/dl");
- len = 0;
- getforward = 0;
- } else {
- /*res = tone_zone_play_tone(p->subs[index].zfd, -1);*/
- ast_indicate(chan, -1);
- ast_channel_lock(chan);
- ast_channel_exten_set(chan, p->dtmf_buf);
- ast_channel_dialed(chan)->number.str = ast_strdup(p->dtmf_buf);
- memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf));
- ast_set_callerid(chan,
- p->hidecallerid ? "" : p->cid_num,
- p->hidecallerid ? "" : p->cid_name,
- ast_channel_caller(chan)->ani.number.valid ? NULL : p->cid_num);
- ast_setstate(chan, AST_STATE_RING);
- ast_channel_unlock(chan);
- if (p->dtmfmode & MGCP_DTMF_HYBRID) {
- p->dtmfmode |= MGCP_DTMF_INBAND;
- ast_indicate(chan, -1);
- }
- res = ast_pbx_run(chan);
- if (res) {
- ast_log(LOG_WARNING, "PBX exited non-zero\n");
- /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_CONGESTION);*/
- /*transmit_notify_request(p, "nbz", 1);*/
- transmit_notify_request(sub, p->ncs ? "L/cg" : "G/cg");
- }
- return NULL;
- }
- } else {
- /* It's a match, but they just typed a digit, and there is an ambiguous match,
- so just set the timeout to matchdigittimeout and wait some more */
- timeout = matchdigittimeout;
- }
- } else if (res == 0) {
- ast_debug(1, "not enough digits (and no ambiguous match)...\n");
- /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_CONGESTION);*/
- transmit_notify_request(sub, p->ncs ? "L/cg" : "G/cg");
- /*dahdi_wait_event(p->subs[index].zfd);*/
- ast_hangup(chan);
- memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf));
- return NULL;
- } else if (p->hascallwaiting && p->callwaiting && !strcmp(p->dtmf_buf, "*70")) {
- ast_verb(3, "Disabling call waiting on %s\n", ast_channel_name(chan));
- /* Disable call waiting if enabled */
- p->callwaiting = 0;
- /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_DIALRECALL);*/
- transmit_notify_request(sub, "L/sl");
- len = 0;
- memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf));
- timeout = firstdigittimeout;
- } else if (!strcmp(p->dtmf_buf, pickupexten)) {
- /* Scan all channels and see if any there
- * ringing channels with that have call groups
- * that equal this channels pickup group
- */
- if (ast_pickup_call(chan)) {
- ast_log(LOG_WARNING, "No call pickup possible...\n");
- /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_CONGESTION);*/
- transmit_notify_request(sub, p->ncs ? "L/cg" : "G/cg");
- }
- memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf));
- ast_hangup(chan);
- return NULL;
- } else if (!p->hidecallerid && !strcmp(p->dtmf_buf, "*67")) {
- ast_verb(3, "Disabling Caller*ID on %s\n", ast_channel_name(chan));
- /* Disable Caller*ID if enabled */
- p->hidecallerid = 1;
- ast_set_callerid(chan, "", "", NULL);
- /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_DIALRECALL);*/
- transmit_notify_request(sub, "L/sl");
- len = 0;
- memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf));
- timeout = firstdigittimeout;
- } else if (p->callreturn && !strcmp(p->dtmf_buf, "*69")) {
- res = 0;
- if (!ast_strlen_zero(p->lastcallerid)) {
- res = ast_say_digit_str(chan, p->lastcallerid, "", ast_channel_language(chan));
- }
- if (!res)
- /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_DIALRECALL);*/
- transmit_notify_request(sub, "L/sl");
- break;
- } else if (!strcmp(p->dtmf_buf, "*78")) {
- /* Do not disturb */
- ast_verb(3, "Enabled DND on channel %s\n", ast_channel_name(chan));
- /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_DIALRECALL);*/
- transmit_notify_request(sub, "L/sl");
- p->dnd = 1;
- getforward = 0;
- memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf));
- len = 0;
- } else if (!strcmp(p->dtmf_buf, "*79")) {
- /* Do not disturb */
- ast_verb(3, "Disabled DND on channel %s\n", ast_channel_name(chan));
- /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_DIALRECALL);*/
- transmit_notify_request(sub, "L/sl");
- p->dnd = 0;
- getforward = 0;
- memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf));
- len = 0;
- } else if (p->cancallforward && !strcmp(p->dtmf_buf, "*72")) {
- /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_DIALRECALL);*/
- transmit_notify_request(sub, "L/sl");
- getforward = 1;
- memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf));
- len = 0;
- } else if (p->cancallforward && !strcmp(p->dtmf_buf, "*73")) {
- ast_verb(3, "Cancelling call forwarding on channel %s\n", ast_channel_name(chan));
- /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_DIALRECALL);*/
- transmit_notify_request(sub, "L/sl");
- memset(p->call_forward, 0, sizeof(p->call_forward));
- getforward = 0;
- memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf));
- len = 0;
- } else if (ast_parking_provider_registered() && ast_parking_is_exten_park(ast_channel_context(chan), p->dtmf_buf) &&
- sub->next->owner) {
- RAII_VAR(struct ast_bridge_channel *, bridge_channel, NULL, ao2_cleanup);
- /* This is a three way call, the main call being a real channel,
- and we're parking the first call. */
- ast_channel_lock(chan);
- bridge_channel = ast_channel_get_bridge_channel(chan);
- ast_channel_unlock(chan);
- if (bridge_channel && !ast_parking_blind_transfer_park(bridge_channel, ast_channel_context(chan), p->dtmf_buf, NULL, NULL)) {
- ast_verb(3, "Parking call to '%s'\n", ast_channel_name(chan));
- }
- break;
- } else if (!ast_strlen_zero(p->lastcallerid) && !strcmp(p->dtmf_buf, "*60")) {
- ast_verb(3, "Blacklisting number %s\n", p->lastcallerid);
- res = ast_db_put("blacklist", p->lastcallerid, "1");
- if (!res) {
- /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_DIALRECALL);*/
- transmit_notify_request(sub, "L/sl");
- memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf));
- len = 0;
- }
- } else if (p->hidecallerid && !strcmp(p->dtmf_buf, "*82")) {
- ast_verb(3, "Enabling Caller*ID on %s\n", ast_channel_name(chan));
- /* Enable Caller*ID if enabled */
- p->hidecallerid = 0;
- ast_set_callerid(chan, p->cid_num, p->cid_name, NULL);
- /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_DIALRECALL);*/
- transmit_notify_request(sub, "L/sl");
- len = 0;
- memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf));
- timeout = firstdigittimeout;
- } else if (!ast_canmatch_extension(chan, ast_channel_context(chan), p->dtmf_buf, 1,
- S_COR(ast_channel_caller(chan)->id.number.valid, ast_channel_caller(chan)->id.number.str, NULL))
- && ((p->dtmf_buf[0] != '*') || (strlen(p->dtmf_buf) > 2))) {
- ast_debug(1, "Can't match %s from '%s' in context %s\n", p->dtmf_buf,
- S_COR(ast_channel_caller(chan)->id.number.valid, ast_channel_caller(chan)->id.number.str, "<Unknown Caller>"),
- ast_channel_context(chan));
- break;
- }
- if (!timeout)
- timeout = gendigittimeout;
- if (len && !ast_ignore_pattern(ast_channel_context(chan), p->dtmf_buf))
- /*tone_zone_play_tone(p->subs[index].zfd, -1);*/
- ast_indicate(chan, -1);
- }
-#if 0
- for (;;) {
- res = ast_waitfordigit(chan, to);
- if (!res) {
- ast_debug(1, "Timeout...\n");
- break;
- }
- if (res < 0) {
- ast_debug(1, "Got hangup...\n");
- ast_hangup(chan);
- break;
- }
- exten[pos++] = res;
- if (!ast_ignore_pattern(chan->context, exten))
- ast_indicate(chan, -1);
- if (ast_matchmore_extension(chan, chan->context, exten, 1, chan->callerid)) {
- if (ast_exists_extension(chan, chan->context, exten, 1, chan->callerid))
- to = 3000;
- else
- to = 8000;
- } else
- break;
- }
- if (ast_exists_extension(chan, chan->context, exten, 1, chan->callerid)) {
- ast_copy_string(chan->exten, exten, sizeof(chan->exten)1);
- if (!p->rtp) {
- start_rtp(p);
- }
- ast_setstate(chan, AST_STATE_RING);
- chan->rings = 1;
- if (ast_pbx_run(chan)) {
- ast_log(LOG_WARNING, "Unable to launch PBX on %s\n", chan->name);
- } else {
- memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf));
- return NULL;
- }
- }
-#endif
- ast_hangup(chan);
- memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf));
- return NULL;
-}
-
-/*! \brief Complete an attended transfer
- *
- * \param p The endpoint performing the attended transfer
- * \param sub The sub-channel completing the attended transfer
- *
- * \note p->sub is the currently active sub-channel (the channel the phone is using)
- * \note p->sub->next is the sub-channel not in use, potentially on hold
- *
- * \retval 0 when channel should be hung up
- * \retval 1 when channel should not be hung up
- */
-static int attempt_transfer(struct mgcp_endpoint *p, struct mgcp_subchannel *sub)
-{
- enum ast_transfer_result res;
-
- /* Ensure that the other channel goes off hold and that it is indicating properly */
- ast_queue_unhold(sub->next->owner);
- if (ast_channel_state(sub->owner) == AST_STATE_RINGING) {
- ast_queue_control(sub->next->owner, AST_CONTROL_RINGING);
- }
-
- ast_mutex_unlock(&p->sub->next->lock);
- ast_mutex_unlock(&p->sub->lock);
- res = ast_bridge_transfer_attended(sub->owner, sub->next->owner);
-
- /* Subs are only freed when the endpoint itself is destroyed, so they will continue to exist
- * after ast_bridge_transfer_attended returns making this safe without reference counting
- */
- ast_mutex_lock(&p->sub->lock);
- ast_mutex_lock(&p->sub->next->lock);
-
- if (res != AST_BRIDGE_TRANSFER_SUCCESS) {
- /* If transferring fails hang up the other channel if present and us */
- if (sub->next->owner) {
- ast_channel_softhangup_internal_flag_add(sub->next->owner, AST_SOFTHANGUP_DEV);
- mgcp_queue_hangup(sub->next);
- }
- sub->next->alreadygone = 1;
- return 0;
- }
-
- unalloc_sub(sub->next);
-
- /* If the active sub is NOT the one completing the transfer change it to be, and hang up the other sub */
- if (p->sub != sub) {
- p->sub = sub;
- return 1;
- }
-
- return 0;
-}
-
-static void handle_hd_hf(struct mgcp_subchannel *sub, char *ev)
-{
- struct mgcp_endpoint *p = sub->parent;
- struct ast_channel *c;
- pthread_t t;
-
- /* Off hook / answer */
- if (sub->outgoing) {
- /* Answered */
- if (sub->owner) {
- ast_queue_unhold(sub->owner);
- sub->cxmode = MGCP_CX_SENDRECV;
- if (!sub->rtp) {
- start_rtp(sub);
- } else {
- transmit_modify_request(sub);
- }
- /*transmit_notify_request(sub, "aw");*/
- transmit_notify_request(sub, "");
- mgcp_queue_control(sub, AST_CONTROL_ANSWER);
- }
- } else {
- /* Start switch */
- /*sub->cxmode = MGCP_CX_SENDRECV;*/
- if (!sub->owner) {
- if (!sub->rtp) {
- start_rtp(sub);
- } else {
- transmit_modify_request(sub);
- }
- if (p->immediate) {
- /* The channel is immediately up. Start right away */
-#ifdef DLINK_BUGGY_FIRMWARE
- transmit_notify_request(sub, "rt");
-#else
- transmit_notify_request(sub, p->ncs ? "L/rt" : "G/rt");
-#endif
- c = mgcp_new(sub, AST_STATE_RING, NULL, NULL);
- if (!c) {
- ast_log(LOG_WARNING, "Unable to start PBX on channel %s@%s\n", p->name, p->parent->name);
- transmit_notify_request(sub, p->ncs ? "L/cg" : "G/cg");
- ast_hangup(c);
- }
- } else {
- if (has_voicemail(p)) {
- transmit_notify_request(sub, "L/sl");
- } else {
- transmit_notify_request(sub, "L/dl");
- }
- c = mgcp_new(sub, AST_STATE_DOWN, NULL, NULL);
- if (c) {
- if (ast_pthread_create_detached(&t, NULL, mgcp_ss, c)) {
- ast_log(LOG_WARNING, "Unable to create switch thread: %s\n", strerror(errno));
- ast_hangup(c);
- }
- } else {
- ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n", p->name, p->parent->name);
- }
- }
- } else {
- if (p->hookstate == MGCP_OFFHOOK) {
- ast_log(LOG_WARNING, "Off hook, but already have owner on %s@%s\n", p->name, p->parent->name);
- } else {
- ast_log(LOG_WARNING, "On hook, but already have owner on %s@%s\n", p->name, p->parent->name);
- ast_log(LOG_WARNING, "If we're onhook why are we here trying to handle a hd or hf?\n");
- }
- ast_queue_unhold(sub->owner);
- sub->cxmode = MGCP_CX_SENDRECV;
- if (!sub->rtp) {
- start_rtp(sub);
- } else {
- transmit_modify_request(sub);
- }
- /*transmit_notify_request(sub, "aw");*/
- transmit_notify_request(sub, "");
- /*ast_queue_control(sub->owner, AST_CONTROL_ANSWER);*/
- }
- }
-}
-
-static int handle_request(struct mgcp_subchannel *sub, struct mgcp_request *req, struct sockaddr_in *sin)
-{
- char *ev, *s;
- struct ast_frame f = { 0, };
- struct mgcp_endpoint *p = sub->parent;
- struct mgcp_gateway *g = NULL;
- int res;
-
- ast_debug(1, "Handling request '%s' on %s@%s\n", req->verb, p->name, p->parent->name);
- /* Clear out potential response */
- if (!strcasecmp(req->verb, "RSIP")) {
- /* Test if this RSIP request is just a keepalive */
- if (!strcasecmp( get_header(req, "RM"), "X-keepalive")) {
- ast_verb(3, "Received keepalive request from %s@%s\n", p->name, p->parent->name);
- transmit_response(sub, "200", req, "OK");
- } else {
- dump_queue(p->parent, p);
- dump_cmd_queues(p, NULL);
-
- if ((strcmp(p->name, p->parent->wcardep) != 0)) {
- ast_verb(3, "Resetting interface %s@%s\n", p->name, p->parent->name);
- }
- /* For RSIP on wildcard we reset all endpoints */
- if (!strcmp(p->name, p->parent->wcardep)) {
- /* Reset all endpoints */
- struct mgcp_endpoint *tmp_ep;
-
- g = p->parent;
- for (tmp_ep = g->endpoints; tmp_ep; tmp_ep = tmp_ep->next) {
- /*if ((strcmp(tmp_ep->name, "*") != 0) && (strcmp(tmp_ep->name, "aaln/" "*") != 0)) {*/
- if (strcmp(tmp_ep->name, g->wcardep) != 0) {
- struct mgcp_subchannel *tmp_sub, *first_sub;
- ast_verb(3, "Resetting interface %s@%s\n", tmp_ep->name, p->parent->name);
-
- first_sub = tmp_ep->sub;
- tmp_sub = tmp_ep->sub;
- while (tmp_sub) {
- mgcp_queue_hangup(tmp_sub);
- tmp_sub = tmp_sub->next;
- if (tmp_sub == first_sub)
- break;
- }
- }
- }
- } else if (sub->owner) {
- mgcp_queue_hangup(sub);
- }
- transmit_response(sub, "200", req, "OK");
- /* We don't send NTFY or AUEP to wildcard ep */
- if (strcmp(p->name, p->parent->wcardep) != 0) {
- transmit_notify_request(sub, "");
- /* Audit endpoint.
- Idea is to prevent lost lines due to race conditions
- */
- transmit_audit_endpoint(p);
- }
- }
- } else if (!strcasecmp(req->verb, "NTFY")) {
- /* Acknowledge and be sure we keep looking for the same things */
- transmit_response(sub, "200", req, "OK");
- /* Notified of an event */
- ev = get_header(req, "O");
- s = strchr(ev, '/');
- if (s) ev = s + 1;
- ast_debug(1, "Endpoint '%s@%s-%d' observed '%s'\n", p->name, p->parent->name, sub->id, ev);
- /* Keep looking for events unless this was a hangup */
- if (strcasecmp(ev, "hu") && strcasecmp(ev, "hd") && strcasecmp(ev, "ping")) {
- transmit_notify_request(sub, p->curtone);
- }
- if (!strcasecmp(ev, "hd")) {
- p->hookstate = MGCP_OFFHOOK;
- sub->cxmode = MGCP_CX_SENDRECV;
-
- if (p) {
- /* When the endpoint have a Off hook transition we always
- starts without any previous dtmfs */
- memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf));
- }
-
- handle_hd_hf(sub, ev);
- } else if (!strcasecmp(ev, "hf")) {
- /* We can assume we are offhook if we received a hookflash */
- /* First let's just do call wait and ignore threeway */
- /* We're currently in charge */
- if (p->hookstate != MGCP_OFFHOOK) {
- /* Cisco c7940 sends hf even if the phone is onhook */
- /* Thanks to point on IRC for pointing this out */
- return -1;
- }
- /* do not let * conference two down channels */
- if (sub->owner && ast_channel_state(sub->owner) == AST_STATE_DOWN && !sub->next->owner)
- return -1;
-
- if (p->callwaiting || p->transfer || p->threewaycalling) {
- ast_verb(3, "Swapping %d for %d on %s@%s\n", p->sub->id, p->sub->next->id, p->name, p->parent->name);
- p->sub = p->sub->next;
-
- /* transfer control to our next subchannel */
- if (!sub->next->owner) {
- /* plave the first call on hold and start up a new call */
- sub->cxmode = MGCP_CX_MUTE;
- ast_verb(3, "MGCP Muting %d on %s@%s\n", sub->id, p->name, p->parent->name);
- transmit_modify_request(sub);
- if (sub->owner) {
- ast_queue_hold(sub->owner, NULL);
- }
- sub->next->cxmode = MGCP_CX_RECVONLY;
- handle_hd_hf(sub->next, ev);
- } else if (sub->owner && sub->next->owner) {
- /* We've got two active calls lets decide whether or not to conference or just flip flop */
- if ((!sub->outgoing) && (!sub->next->outgoing)) {
- /* We made both calls lets conference */
- ast_verb(3, "MGCP Conferencing %d and %d on %s@%s\n",
- sub->id, sub->next->id, p->name, p->parent->name);
- sub->cxmode = MGCP_CX_CONF;
- sub->next->cxmode = MGCP_CX_CONF;
- ast_queue_unhold(sub->next->owner);
- transmit_modify_request(sub);
- transmit_modify_request(sub->next);
- } else {
- /* Let's flipflop between calls */
- /* XXX Need to check for state up ??? */
- /* XXX Need a way to indicate the current call, or maybe the call that's waiting */
- ast_verb(3, "We didn't make one of the calls FLIPFLOP %d and %d on %s@%s\n",
- sub->id, sub->next->id, p->name, p->parent->name);
- sub->cxmode = MGCP_CX_MUTE;
- ast_verb(3, "MGCP Muting %d on %s@%s\n", sub->id, p->name, p->parent->name);
- transmit_modify_request(sub);
-
- ast_queue_hold(sub->owner, NULL);
- ast_queue_hold(sub->next->owner, NULL);
-
- handle_hd_hf(sub->next, ev);
- }
- } else {
- /* We've most likely lost one of our calls find an active call and bring it up */
- if (sub->owner) {
- p->sub = sub;
- } else if (sub->next->owner) {
- p->sub = sub->next;
- } else {
- /* We seem to have lost both our calls */
- /* XXX - What do we do now? */
- return -1;
- }
- ast_queue_unhold(p->sub->owner);
- p->sub->cxmode = MGCP_CX_SENDRECV;
- transmit_modify_request(p->sub);
- }
- } else {
- ast_log(LOG_WARNING, "Callwaiting, call transfer or threeway calling not enabled on endpoint %s@%s\n",
- p->name, p->parent->name);
- }
- } else if (!strcasecmp(ev, "hu")) {
- p->hookstate = MGCP_ONHOOK;
- sub->cxmode = MGCP_CX_RECVONLY;
- ast_debug(1, "MGCP %s@%s Went on hook\n", p->name, p->parent->name);
- /* Do we need to send MDCX before a DLCX ?
- if (sub->rtp) {
- transmit_modify_request(sub);
- }
- */
- if (p->transfer && (sub->owner && sub->next->owner) && ((!sub->outgoing) || (!sub->next->outgoing))) {
- /* We're allowed to transfer, we have two active calls and */
- /* we made at least one of the calls. Let's try and transfer */
- ast_mutex_lock(&p->sub->next->lock);
- res = attempt_transfer(p, sub);
- if (res) {
- ast_log(LOG_WARNING, "Transfer attempt failed\n");
- ast_mutex_unlock(&p->sub->next->lock);
- return -1;
- }
- ast_mutex_unlock(&p->sub->next->lock);
- } else {
- /* Hangup the current call */
- /* If there is another active call, mgcp_hangup will ring the phone with the other call */
- if (sub->owner) {
- sub->alreadygone = 1;
- mgcp_queue_hangup(sub);
- } else {
- ast_verb(3, "MGCP handle_request(%s@%s-%d) ast_channel already destroyed, resending DLCX.\n",
- p->name, p->parent->name, sub->id);
- /* Instruct the other side to remove the connection since it apparently *
- * still thinks the channel is active. *
- * For Cisco IAD2421 /BAK/ */
- transmit_connection_del(sub);
- }
- }
- if ((p->hookstate == MGCP_ONHOOK) && (!sub->rtp) && (!sub->next->rtp)) {
- p->hidecallerid = 0;
- if (p->hascallwaiting && !p->callwaiting) {
- ast_verb(3, "Enabling call waiting on MGCP/%s@%s-%d\n", p->name, p->parent->name, sub->id);
- p->callwaiting = -1;
- }
- if (has_voicemail(p)) {
- ast_verb(3, "MGCP handle_request(%s@%s) set vmwi(+)\n", p->name, p->parent->name);
- transmit_notify_request(sub, "L/vmwi(+)");
- } else {
- ast_verb(3, "MGCP handle_request(%s@%s) set vmwi(-)\n", p->name, p->parent->name);
- transmit_notify_request(sub, "L/vmwi(-)");
- }
- }
- } else if ((strlen(ev) == 1) &&
- (((ev[0] >= '0') && (ev[0] <= '9')) ||
- ((ev[0] >= 'A') && (ev[0] <= 'D')) ||
- (ev[0] == '*') || (ev[0] == '#'))) {
- if (sub && sub->owner && (ast_channel_state(sub->owner) >= AST_STATE_UP)) {
- f.frametype = AST_FRAME_DTMF;
- f.subclass.integer = ev[0];
- f.src = "mgcp";
- /* XXX MUST queue this frame to all subs in threeway call if threeway call is active */
- mgcp_queue_frame(sub, &f);
- ast_mutex_lock(&sub->next->lock);
- if (sub->next->owner)
- mgcp_queue_frame(sub->next, &f);
- ast_mutex_unlock(&sub->next->lock);
- if (strstr(p->curtone, (p->ncs ? "wt1" : "wt")) && (ev[0] == 'A')) {
- memset(p->curtone, 0, sizeof(p->curtone));
- }
- } else {
- p->dtmf_buf[strlen(p->dtmf_buf)] = ev[0];
- p->dtmf_buf[strlen(p->dtmf_buf)] = '\0';
- }
- } else if (!strcasecmp(ev, "T")) {
- /* Digit timeout -- unimportant */
- } else if (!strcasecmp(ev, "ping")) {
- /* ping -- unimportant */
- } else {
- ast_log(LOG_NOTICE, "Received unknown event '%s' from %s@%s\n", ev, p->name, p->parent->name);
- }
- } else {
- ast_log(LOG_WARNING, "Unknown verb '%s' received from %s\n", req->verb, ast_inet_ntoa(sin->sin_addr));
- transmit_response(sub, "510", req, "Unknown verb");
- }
- return 0;
-}
-
-static int find_and_retrans(struct mgcp_subchannel *sub, struct mgcp_request *req)
-{
- int seqno=0;
- time_t now;
- struct mgcp_response *prev = NULL, *cur, *next, *answer = NULL;
- time(&now);
- if (sscanf(req->identifier, "%30d", &seqno) != 1) {
- seqno = 0;
- }
- for (cur = sub->parent->parent->responses, next = cur ? cur->next : NULL; cur; cur = next, next = cur ? cur->next : NULL) {
- if (now - cur->whensent > RESPONSE_TIMEOUT) {
- /* Delete this entry */
- if (prev)
- prev->next = next;
- else
- sub->parent->parent->responses = next;
- ast_free(cur);
- } else {
- if (seqno == cur->seqno)
- answer = cur;
- prev = cur;
- }
- }
- if (answer) {
- resend_response(sub, answer);
- return 1;
- }
- return 0;
-}
-
-static int mgcpsock_read(int *id, int fd, short events, void *ignore)
-{
- struct mgcp_request req;
- struct sockaddr_in sin;
- struct mgcp_subchannel *sub;
- int res;
- socklen_t len;
- int result;
- int ident;
- len = sizeof(sin);
- memset(&req, 0, sizeof(req));
- res = recvfrom(mgcpsock, req.data, sizeof(req.data) - 1, 0, (struct sockaddr *)&sin, &len);
- if (res < 0) {
- if (errno != ECONNREFUSED)
- ast_log(LOG_WARNING, "Recv error: %s\n", strerror(errno));
- return 1;
- }
- req.data[res] = '\0';
- req.len = res;
- ast_debug(1, "MGCP read: \n%s\nfrom %s:%d\n", req.data, ast_inet_ntoa(sin.sin_addr), ntohs(sin.sin_port));
- parse(&req);
- if (req.headers < 1) {
- /* Must have at least one header */
- return 1;
- }
- if (ast_strlen_zero(req.identifier)) {
- ast_log(LOG_NOTICE, "Message from %s missing identifier\n", ast_inet_ntoa(sin.sin_addr));
- return 1;
- }
-
- if (sscanf(req.verb, "%30d", &result) && sscanf(req.identifier, "%30d", &ident)) {
- if (result < 200) {
- ast_debug(1, "Ignoring provisional response on transaction %d\n", ident);
- return 1;
- }
- /* Try to find who this message is for, if it's important */
- sub = find_subchannel_and_lock(NULL, ident, &sin);
- if (sub) {
- struct mgcp_gateway *gw = sub->parent->parent;
- struct mgcp_message *cur, *prev;
-
- ast_mutex_unlock(&sub->lock);
- ast_mutex_lock(&gw->msgs_lock);
- for (prev = NULL, cur = gw->msgs; cur; prev = cur, cur = cur->next) {
- if (cur->seqno == ident) {
- ast_debug(1, "Got response back on transaction %d\n", ident);
- if (prev)
- prev->next = cur->next;
- else
- gw->msgs = cur->next;
- break;
- }
- }
-
- /* stop retrans timer if the queue is empty */
- if (!gw->msgs) {
- AST_SCHED_DEL(sched, gw->retransid);
- }
-
- ast_mutex_unlock(&gw->msgs_lock);
- if (cur) {
- handle_response(cur->owner_ep, cur->owner_sub, result, ident, &req);
- ast_free(cur);
- return 1;
- }
-
- ast_log(LOG_NOTICE, "Got response back on [%s] for transaction %d we aren't sending?\n",
- gw->name, ident);
- }
- } else {
- if (ast_strlen_zero(req.endpoint) ||
- ast_strlen_zero(req.version) ||
- ast_strlen_zero(req.verb)) {
- ast_log(LOG_NOTICE, "Message must have a verb, an idenitifier, version, and endpoint\n");
- return 1;
- }
- /* Process request, with iflock held */
- sub = find_subchannel_and_lock(req.endpoint, 0, &sin);
- if (sub) {
- /* look first to find a matching response in the queue */
- if (!find_and_retrans(sub, &req))
- /* pass the request off to the currently mastering subchannel */
- handle_request(sub, &req, &sin);
- ast_mutex_unlock(&sub->lock);
- }
- }
- return 1;
-}
-
-static int *mgcpsock_read_id = NULL;
-
-static int mgcp_prune_realtime_gateway(struct mgcp_gateway *g)
-{
- struct mgcp_endpoint *enext, *e;
- struct mgcp_subchannel *s, *sub;
- int i, prune = 1;
-
- if (g->ha || !g->realtime || ast_mutex_trylock(&g->msgs_lock) || g->msgs) {
- ast_mutex_unlock(&g->msgs_lock);
- return 0;
- }
-
- for (e = g->endpoints; e; e = e->next) {
- ast_mutex_lock(&e->lock);
- if (e->dsp || ast_mutex_trylock(&e->rqnt_queue_lock) || ast_mutex_trylock(&e->cmd_queue_lock)) {
- prune = 0;
- } else if (e->rqnt_queue || e->cmd_queue) {
- prune = 0;
- }
- s = e->sub;
- for (i = 0; (i < MAX_SUBS) && s; i++) {
- ast_mutex_lock(&s->lock);
- if (!ast_strlen_zero(s->cxident) || s->rtp || ast_mutex_trylock(&s->cx_queue_lock) || s->gate) {
- prune = 0;
- } else if (s->cx_queue) {
- prune = 0;
- }
- s = s->next;
- }
- }
-
- for (e = g->endpoints, sub = e->sub, enext = e->next; e; e = enext, enext = e->next) {
- for (i = 0; (i < MAX_SUBS) && sub; i++) {
- s = sub;
- sub = sub->next;
- ast_mutex_unlock(&s->lock);
- ast_mutex_unlock(&s->cx_queue_lock);
- if (prune) {
- ast_mutex_destroy(&s->lock);
- ast_mutex_destroy(&s->cx_queue_lock);
- ast_free(s);
- }
- }
- ast_mutex_unlock(&e->lock);
- ast_mutex_unlock(&e->rqnt_queue_lock);
- ast_mutex_unlock(&e->cmd_queue_lock);
- if (prune) {
- ast_mutex_destroy(&e->lock);
- ast_mutex_destroy(&e->rqnt_queue_lock);
- ast_mutex_destroy(&e->cmd_queue_lock);
- ast_free(e);
- }
- }
- if (prune) {
- ast_debug(1, "***** MGCP REALTIME PRUNE GW: %s\n", g->name);
- }
- return prune;
-}
-
-static void *do_monitor(void *data)
-{
- int res;
- int reloading;
- struct mgcp_gateway *g, *gprev;
- /*struct mgcp_gateway *g;*/
- /*struct mgcp_endpoint *e;*/
- /*time_t thispass = 0, lastpass = 0;*/
- time_t lastrun = 0;
-
- /* Add an I/O event to our UDP socket */
- if (mgcpsock > -1) {
- mgcpsock_read_id = ast_io_add(io, mgcpsock, mgcpsock_read, AST_IO_IN, NULL);
- }
- /* This thread monitors all the frame relay interfaces which are not yet in use
- (and thus do not have a separate thread) indefinitely */
- /* From here on out, we die whenever asked */
- for (;;) {
- /* Check for a reload request */
- ast_mutex_lock(&mgcp_reload_lock);
- reloading = mgcp_reloading;
- mgcp_reloading = 0;
- ast_mutex_unlock(&mgcp_reload_lock);
- if (reloading) {
- ast_verb(1, "Reloading MGCP\n");
- reload_config(1);
- /* Add an I/O event to our UDP socket */
- if (mgcpsock > -1 && !mgcpsock_read_id) {
- mgcpsock_read_id = ast_io_add(io, mgcpsock, mgcpsock_read, AST_IO_IN, NULL);
- }
- }
-
- /* Check for interfaces needing to be killed */
- /* Don't let anybody kill us right away. Nobody should lock the interface list
- and wait for the monitor list, but the other way around is okay. */
- ast_mutex_lock(&monlock);
- /* Lock the network interface */
- ast_mutex_lock(&netlock);
-
-#if 0
- /* XXX THIS IS COMPLETELY HOSED */
- /* The gateway goes into a state of panic */
- /* If the vmwi indicator is sent while it is reseting interfaces */
- lastpass = thispass;
- thispass = time(NULL);
- g = gateways;
- while(g) {
- if (thispass != lastpass) {
- e = g->endpoints;
- while(e) {
- if (e->type == TYPE_LINE) {
- res = has_voicemail(e);
- if ((e->msgstate != res) && (e->hookstate == MGCP_ONHOOK) && (!e->rtp)){
- if (res) {
- transmit_notify_request(e, "L/vmwi(+)");
- } else {
- transmit_notify_request(e, "L/vmwi(-)");
- }
- e->msgstate = res;
- e->onhooktime = thispass;
- }
- }
- e = e->next;
- }
- }
- g = g->next;
- }
-#endif
- /* pruning unused realtime gateways, running in every 60 seconds*/
- if(time(NULL) > (lastrun + 60)) {
- ast_mutex_lock(&gatelock);
- g = gateways;
- gprev = NULL;
- while(g) {
- if(g->realtime) {
- if(mgcp_prune_realtime_gateway(g)) {
- if(gprev) {
- gprev->next = g->next;
- } else {
- gateways = g->next;
- }
- ast_mutex_unlock(&g->msgs_lock);
- ast_mutex_destroy(&g->msgs_lock);
- ast_free(g);
- } else {
- ast_mutex_unlock(&g->msgs_lock);
- gprev = g;
- }
- } else {
- gprev = g;
- }
- g = g->next;
- }
- ast_mutex_unlock(&gatelock);
- lastrun = time(NULL);
- }
- /* Okay, now that we know what to do, release the network lock */
- ast_mutex_unlock(&netlock);
- /* And from now on, we're okay to be killed, so release the monitor lock as well */
- ast_mutex_unlock(&monlock);
- pthread_testcancel();
- /* Wait for sched or io */
- res = ast_sched_wait(sched);
- /* copied from chan_sip.c */
- if ((res < 0) || (res > 1000)) {
- res = 1000;
- }
- res = ast_io_wait(io, res);
- ast_mutex_lock(&monlock);
- if (res >= 0) {
- ast_sched_runq(sched);
- }
- ast_mutex_unlock(&monlock);
- }
- /* Never reached */
- return NULL;
-}
-
-static int restart_monitor(void)
-{
- /* If we're supposed to be stopped -- stay stopped */
- if (monitor_thread == AST_PTHREADT_STOP)
- return 0;
- if (ast_mutex_lock(&monlock)) {
- ast_log(LOG_WARNING, "Unable to lock monitor\n");
- return -1;
- }
- if (monitor_thread == pthread_self()) {
- ast_mutex_unlock(&monlock);
- ast_log(LOG_WARNING, "Cannot kill myself\n");
- return -1;
- }
- if (monitor_thread != AST_PTHREADT_NULL) {
- /* Wake up the thread */
- pthread_kill(monitor_thread, SIGURG);
- } else {
- /* Start a new monitor */
- if (ast_pthread_create_background(&monitor_thread, NULL, do_monitor, NULL) < 0) {
- ast_mutex_unlock(&monlock);
- ast_log(LOG_ERROR, "Unable to start monitor thread.\n");
- return -1;
- }
- }
- ast_mutex_unlock(&monlock);
- return 0;
-}
-
-static struct ast_channel *mgcp_request(const char *type, struct ast_format_cap *cap, const struct ast_assigned_ids *assignedids, const struct ast_channel *requestor, const char *dest, int *cause)
-{
- struct mgcp_subchannel *sub;
- struct ast_channel *tmpc = NULL;
- char tmp[256];
-
- if (!(ast_format_cap_iscompatible(cap, global_capability))) {
- struct ast_str *cap_buf = ast_str_alloca(AST_FORMAT_CAP_NAMES_LEN);
- ast_log(LOG_NOTICE, "Asked to get a channel of unsupported format '%s'\n",
- ast_format_cap_get_names(cap, &cap_buf));
- /*return NULL;*/
- }
- ast_copy_string(tmp, dest, sizeof(tmp));
- if (ast_strlen_zero(tmp)) {
- ast_log(LOG_NOTICE, "MGCP Channels require an endpoint\n");
- return NULL;
- }
- if (!(sub = find_subchannel_and_lock(tmp, 0, NULL))) {
- ast_log(LOG_WARNING, "Unable to find MGCP endpoint '%s'\n", tmp);
- *cause = AST_CAUSE_UNREGISTERED;
- return NULL;
- }
-
- ast_verb(3, "MGCP mgcp_request(%s)\n", tmp);
- ast_verb(3, "MGCP cw: %d, dnd: %d, so: %d, sno: %d\n",
- sub->parent->callwaiting, sub->parent->dnd, sub->owner ? 1 : 0, sub->next->owner ? 1: 0);
- /* Must be busy */
- if (((sub->parent->callwaiting) && ((sub->owner) && (sub->next->owner))) ||
- ((!sub->parent->callwaiting) && (sub->owner)) ||
- (sub->parent->dnd && (ast_strlen_zero(sub->parent->call_forward)))) {
- if (sub->parent->hookstate == MGCP_ONHOOK) {
- if (has_voicemail(sub->parent)) {
- transmit_notify_request(sub,"L/vmwi(+)");
- } else {
- transmit_notify_request(sub,"L/vmwi(-)");
- }
- }
- *cause = AST_CAUSE_BUSY;
- ast_mutex_unlock(&sub->lock);
- return NULL;
- }
- tmpc = mgcp_new(sub->owner ? sub->next : sub, AST_STATE_DOWN, assignedids, requestor);
- ast_mutex_unlock(&sub->lock);
- if (!tmpc)
- ast_log(LOG_WARNING, "Unable to make channel for '%s'\n", tmp);
- restart_monitor();
- return tmpc;
-}
-
-/* modified for reload support */
-/*! \brief build_gateway: parse mgcp.conf and create gateway/endpoint structures */
-static struct mgcp_gateway *build_gateway(char *cat, struct ast_variable *v)
-{
- struct mgcp_gateway *gw;
- struct mgcp_endpoint *e;
- struct mgcp_subchannel *sub;
- struct ast_variable *chanvars = NULL;
-
- /*char txident[80];*/
- int i=0, y=0;
- int gw_reload = 0;
- int ep_reload = 0;
- directmedia = DIRECTMEDIA;
-
- /* locate existing gateway */
- for (gw = gateways; gw; gw = gw->next) {
- if (!strcasecmp(cat, gw->name)) {
- /* gateway already exists */
- gw->delme = 0;
- gw_reload = 1;
- break;
- }
- }
-
- if (!gw && !(gw = ast_calloc(1, sizeof(*gw)))) {
- return NULL;
- }
-
- if (!gw_reload) {
- gw->expire = -1;
- gw->realtime = 0;
- gw->retransid = -1;
- ast_mutex_init(&gw->msgs_lock);
- ast_copy_string(gw->name, cat, sizeof(gw->name));
- /* check if the name is numeric ip */
- if ((strchr(gw->name, '.')) && inet_addr(gw->name) != INADDR_NONE)
- gw->isnamedottedip = 1;
- }
- for (; v; v = v->next) {
- if (!strcasecmp(v->name, "host")) {
- if (!strcasecmp(v->value, "dynamic")) {
- /* They'll register with us */
- gw->dynamic = 1;
- memset(&gw->addr.sin_addr, 0, 4);
- if (gw->addr.sin_port) {
- /* If we've already got a port, make it the default rather than absolute */
- gw->defaddr.sin_port = gw->addr.sin_port;
- gw->addr.sin_port = 0;
- }
- } else {
- /* Non-dynamic. Make sure we become that way if we're not */
- AST_SCHED_DEL(sched, gw->expire);
- gw->dynamic = 0;
- {
- struct ast_sockaddr tmp;
-
- ast_sockaddr_from_sin(&tmp, &gw->addr);
- if (ast_get_ip(&tmp, v->value)) {
- if (!gw_reload) {
- ast_mutex_destroy(&gw->msgs_lock);
- ast_free(gw);
- }
- return NULL;
- }
- ast_sockaddr_to_sin(&tmp, &gw->addr);
- }
- }
- } else if (!strcasecmp(v->name, "defaultip")) {
- struct ast_sockaddr tmp;
-
- ast_sockaddr_from_sin(&tmp, &gw->defaddr);
- if (ast_get_ip(&tmp, v->value)) {
- if (!gw_reload) {
- ast_mutex_destroy(&gw->msgs_lock);
- ast_free(gw);
- }
- return NULL;
- }
- ast_sockaddr_to_sin(&tmp, &gw->defaddr);
- } else if (!strcasecmp(v->name, "permit") ||
- !strcasecmp(v->name, "deny")) {
- int acl_error = 0;
- gw->ha = ast_append_ha(v->name, v->value, gw->ha, &acl_error);
- if (acl_error) {
- ast_log(LOG_ERROR, "Invalid ACL '%s' specified for MGCP gateway '%s' on line %d. Not creating.\n",
- v->value, cat, v->lineno);
- if (!gw_reload) {
- ast_mutex_destroy(&gw->msgs_lock);
- ast_free(gw);
- } else {
- gw->delme = 1;
- }
- return NULL;
- }
- } else if (!strcasecmp(v->name, "port")) {
- gw->addr.sin_port = htons(atoi(v->value));
- } else if (!strcasecmp(v->name, "context")) {
- ast_copy_string(context, v->value, sizeof(context));
- } else if (!strcasecmp(v->name, "dtmfmode")) {
- if (!strcasecmp(v->value, "inband"))
- dtmfmode = MGCP_DTMF_INBAND;
- else if (!strcasecmp(v->value, "rfc2833"))
- dtmfmode = MGCP_DTMF_RFC2833;
- else if (!strcasecmp(v->value, "hybrid"))
- dtmfmode = MGCP_DTMF_HYBRID;
- else if (!strcasecmp(v->value, "none"))
- dtmfmode = 0;
- else
- ast_log(LOG_WARNING, "'%s' is not a valid DTMF mode at line %d\n", v->value, v->lineno);
- } else if (!strcasecmp(v->name, "nat")) {
- nat = ast_true(v->value);
- } else if (!strcasecmp(v->name, "ncs")) {
- ncs = ast_true(v->value);
- } else if (!strcasecmp(v->name, "hangupongateremove")) {
- hangupongateremove = ast_true(v->value);
- } else if (!strcasecmp(v->name, "pktcgatealloc")) {
- pktcgatealloc = ast_true(v->value);
- } else if (!strcasecmp(v->name, "callerid")) {
- if (!strcasecmp(v->value, "asreceived")) {
- cid_num[0] = '\0';
- cid_name[0] = '\0';
- } else {
- ast_callerid_split(v->value, cid_name, sizeof(cid_name), cid_num, sizeof(cid_num));
- }
- } else if (!strcasecmp(v->name, "language")) {
- ast_copy_string(language, v->value, sizeof(language));
- } else if (!strcasecmp(v->name, "accountcode")) {
- ast_copy_string(accountcode, v->value, sizeof(accountcode));
- } else if (!strcasecmp(v->name, "amaflags")) {
- y = ast_channel_string2amaflag(v->value);
- if (y < 0) {
- ast_log(LOG_WARNING, "Invalid AMA flags: %s at line %d\n", v->value, v->lineno);
- } else {
- amaflags = y;
- }
- } else if (!strcasecmp(v->name, "setvar")) {
- chanvars = add_var(v->value, chanvars);
- } else if (!strcasecmp(v->name, "clearvars")) {
- if (chanvars) {
- ast_variables_destroy(chanvars);
- chanvars = NULL;
- }
- } else if (!strcasecmp(v->name, "musiconhold")) {
- ast_copy_string(musicclass, v->value, sizeof(musicclass));
- } else if (!strcasecmp(v->name, "parkinglot")) {
- ast_copy_string(parkinglot, v->value, sizeof(parkinglot));
- } else if (!strcasecmp(v->name, "callgroup")) {
- cur_callergroup = ast_get_group(v->value);
- } else if (!strcasecmp(v->name, "pickupgroup")) {
- cur_pickupgroup = ast_get_group(v->value);
- } else if (!strcasecmp(v->name, "immediate")) {
- immediate = ast_true(v->value);
- } else if (!strcasecmp(v->name, "cancallforward")) {
- cancallforward = ast_true(v->value);
- } else if (!strcasecmp(v->name, "singlepath")) {
- singlepath = ast_true(v->value);
- } else if (!strcasecmp(v->name, "directmedia") || !strcasecmp(v->name, "canreinvite")) {
- directmedia = ast_true(v->value);
- } else if (!strcasecmp(v->name, "mailbox")) {
- ast_copy_string(mailbox, v->value, sizeof(mailbox));
- } else if (!strcasecmp(v->name, "hasvoicemail")) {
- if (ast_true(v->value) && ast_strlen_zero(mailbox)) {
- /*
- * hasvoicemail is a users.conf legacy voicemail enable method.
- * hasvoicemail is only going to work for app_voicemail mailboxes.
- */
- if (strchr(gw->name, '@')) {
- ast_copy_string(mailbox, gw->name, sizeof(mailbox));
- } else {
- snprintf(mailbox, sizeof(mailbox), "%s@default", gw->name);
- }
- }
- } else if (!strcasecmp(v->name, "adsi")) {
- adsi = ast_true(v->value);
- } else if (!strcasecmp(v->name, "callreturn")) {
- callreturn = ast_true(v->value);
- } else if (!strcasecmp(v->name, "callwaiting")) {
- callwaiting = ast_true(v->value);
- } else if (!strcasecmp(v->name, "slowsequence")) {
- slowsequence = ast_true(v->value);
- } else if (!strcasecmp(v->name, "transfer")) {
- transfer = ast_true(v->value);
- } else if (!strcasecmp(v->name, "threewaycalling")) {
- threewaycalling = ast_true(v->value);
- } else if (!strcasecmp(v->name, "wcardep")) {
- /* locate existing endpoint */
- for (e = gw->endpoints; e; e = e->next) {
- if (!strcasecmp(v->value, e->name)) {
- /* endpoint already exists */
- e->delme = 0;
- ep_reload = 1;
- break;
- }
- }
-
- if (!e) {
- /* Allocate wildcard endpoint */
- e = ast_calloc(1, sizeof(*e));
- ep_reload = 0;
- }
-
- if (e) {
- if (!ep_reload) {
- memset(e, 0, sizeof(struct mgcp_endpoint));
- ast_mutex_init(&e->lock);
- ast_mutex_init(&e->rqnt_queue_lock);
- ast_mutex_init(&e->cmd_queue_lock);
- e->cap = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_DEFAULT);
- ast_copy_string(e->name, v->value, sizeof(e->name));
- e->needaudit = 1;
- }
- ast_copy_string(gw->wcardep, v->value, sizeof(gw->wcardep));
- /* XXX Should we really check for uniqueness?? XXX */
- ast_copy_string(e->accountcode, accountcode, sizeof(e->accountcode));
- ast_copy_string(e->context, context, sizeof(e->context));
- ast_copy_string(e->cid_num, cid_num, sizeof(e->cid_num));
- ast_copy_string(e->cid_name, cid_name, sizeof(e->cid_name));
- ast_copy_string(e->language, language, sizeof(e->language));
- ast_copy_string(e->musicclass, musicclass, sizeof(e->musicclass));
- ast_copy_string(e->mailbox, mailbox, sizeof(e->mailbox));
- ast_copy_string(e->parkinglot, parkinglot, sizeof(e->parkinglot));
- if (!ast_strlen_zero(e->mailbox)) {
- /* This module does not handle MWI in an event-based manner. However, it
- * subscribes to MWI for each mailbox that is configured so that the core
- * knows that we care about it. Then, chan_mgcp will get the MWI from the
- * event cache instead of checking the mailbox directly. */
- e->mwi_event_sub = ast_mwi_subscribe_pool(e->mailbox, stasis_subscription_cb_noop, NULL);
- }
- snprintf(e->rqnt_ident, sizeof(e->rqnt_ident), "%08lx", (unsigned long)ast_random());
- e->msgstate = -1;
- e->amaflags = amaflags;
- ast_format_cap_append_from_cap(e->cap, global_capability, AST_MEDIA_TYPE_UNKNOWN);
- e->parent = gw;
- e->ncs = ncs;
- e->dtmfmode = dtmfmode;
- if (!ep_reload && e->sub && e->sub->rtp) {
- e->dtmfmode |= MGCP_DTMF_INBAND;
- }
- e->adsi = adsi;
- e->type = TYPE_LINE;
- e->immediate = immediate;
- e->callgroup=cur_callergroup;
- e->pickupgroup=cur_pickupgroup;
- e->callreturn = callreturn;
- e->cancallforward = cancallforward;
- e->singlepath = singlepath;
- e->directmedia = directmedia;
- e->callwaiting = callwaiting;
- e->hascallwaiting = callwaiting;
- e->slowsequence = slowsequence;
- e->transfer = transfer;
- e->threewaycalling = threewaycalling;
- e->onhooktime = time(NULL);
- /* ASSUME we're onhook */
- e->hookstate = MGCP_ONHOOK;
- e->chanvars = copy_vars(chanvars);
- if (!ep_reload) {
- /*snprintf(txident, sizeof(txident), "%08lx", (unsigned long)ast_random());*/
- for (i = 0; i < MAX_SUBS; i++) {
- sub = ast_calloc(1, sizeof(*sub));
- if (sub) {
- ast_verb(3, "Allocating subchannel '%d' on %s@%s\n", i, e->name, gw->name);
- ast_mutex_init(&sub->lock);
- ast_mutex_init(&sub->cx_queue_lock);
- sub->parent = e;
- sub->id = i;
- snprintf(sub->txident, sizeof(sub->txident), "%08lx", (unsigned long)ast_random());
- /*stnrcpy(sub->txident, txident, sizeof(sub->txident) - 1);*/
- sub->cxmode = MGCP_CX_INACTIVE;
- sub->nat = nat;
- sub->gate = NULL;
- sub->sdpsent = 0;
- sub->next = e->sub;
- e->sub = sub;
- } else {
- /* XXX Should find a way to clean up our memory */
- ast_log(LOG_WARNING, "Out of memory allocating subchannel\n");
- return NULL;
- }
- }
- /* Make out subs a circular linked list so we can always sping through the whole bunch */
- /* find the end of the list */
- for (sub = e->sub; sub && sub->next; sub = sub->next);
- /* set the last sub->next to the first sub */
- sub->next = e->sub;
-
- e->next = gw->endpoints;
- gw->endpoints = e;
- }
- }
- } else if (!strcasecmp(v->name, "trunk") ||
- !strcasecmp(v->name, "line")) {
-
- /* locate existing endpoint */
- for (e = gw->endpoints; e; e = e->next) {
- if (!strcasecmp(v->value, e->name)) {
- /* endpoint already exists */
- e->delme = 0;
- ep_reload = 1;
- break;
- }
- }
-
- if (!e) {
- e = ast_calloc(1, sizeof(*e));
- ep_reload = 0;
- }
-
- if (e) {
- if (!ep_reload) {
- ast_mutex_init(&e->lock);
- ast_mutex_init(&e->rqnt_queue_lock);
- ast_mutex_init(&e->cmd_queue_lock);
- e->cap = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_DEFAULT);
- ast_copy_string(e->name, v->value, sizeof(e->name));
- e->needaudit = 1;
- }
- /* XXX Should we really check for uniqueness?? XXX */
- ast_copy_string(e->accountcode, accountcode, sizeof(e->accountcode));
- ast_copy_string(e->context, context, sizeof(e->context));
- ast_copy_string(e->cid_num, cid_num, sizeof(e->cid_num));
- ast_copy_string(e->cid_name, cid_name, sizeof(e->cid_name));
- ast_copy_string(e->language, language, sizeof(e->language));
- ast_copy_string(e->musicclass, musicclass, sizeof(e->musicclass));
- ast_copy_string(e->mailbox, mailbox, sizeof(e->mailbox));
- ast_copy_string(e->parkinglot, parkinglot, sizeof(e->parkinglot));
- if (!ast_strlen_zero(mailbox)) {
- ast_verb(3, "Setting mailbox '%s' on %s@%s\n", mailbox, gw->name, e->name);
- }
- if (!ep_reload) {
- /* XXX potential issue due to reload */
- e->msgstate = -1;
- e->parent = gw;
- }
- e->amaflags = amaflags;
- ast_format_cap_append_from_cap(e->cap, global_capability, AST_MEDIA_TYPE_UNKNOWN);
- e->dtmfmode = dtmfmode;
- e->ncs = ncs;
- e->pktcgatealloc = pktcgatealloc;
- e->hangupongateremove = hangupongateremove;
- e->adsi = adsi;
- e->type = (!strcasecmp(v->name, "trunk")) ? TYPE_TRUNK : TYPE_LINE;
- e->immediate = immediate;
- e->callgroup=cur_callergroup;
- e->pickupgroup=cur_pickupgroup;
- e->callreturn = callreturn;
- e->cancallforward = cancallforward;
- e->directmedia = directmedia;
- e->singlepath = singlepath;
- e->callwaiting = callwaiting;
- e->hascallwaiting = callwaiting;
- e->slowsequence = slowsequence;
- e->transfer = transfer;
- e->threewaycalling = threewaycalling;
-
- /* If we already have a valid chanvars, it's not a new endpoint (it's a reload),
- so first, free previous mem
- */
- if (e->chanvars) {
- ast_variables_destroy(e->chanvars);
- e->chanvars = NULL;
- }
- e->chanvars = copy_vars(chanvars);
-
- if (!ep_reload) {
- e->onhooktime = time(NULL);
- /* ASSUME we're onhook */
- e->hookstate = MGCP_ONHOOK;
- snprintf(e->rqnt_ident, sizeof(e->rqnt_ident), "%08lx", (unsigned long)ast_random());
- }
-
- for (i = 0, sub = NULL; i < MAX_SUBS; i++) {
- if (!ep_reload) {
- sub = ast_calloc(1, sizeof(*sub));
- } else {
- if (!sub) {
- sub = e->sub;
- } else {
- sub = sub->next;
- }
- }
-
- if (sub) {
- if (!ep_reload) {
- ast_verb(3, "Allocating subchannel '%d' on %s@%s\n", i, e->name, gw->name);
- ast_mutex_init(&sub->lock);
- ast_mutex_init(&sub->cx_queue_lock);
- ast_copy_string(sub->magic, MGCP_SUBCHANNEL_MAGIC, sizeof(sub->magic));
- sub->parent = e;
- sub->id = i;
- snprintf(sub->txident, sizeof(sub->txident), "%08lx", (unsigned long)ast_random());
- sub->cxmode = MGCP_CX_INACTIVE;
- sub->next = e->sub;
- e->sub = sub;
- }
- sub->nat = nat;
- } else {
- /* XXX Should find a way to clean up our memory */
- ast_log(LOG_WARNING, "Out of memory allocating subchannel\n");
- return NULL;
- }
- }
- if (!ep_reload) {
- /* Make out subs a circular linked list so we can always sping through the whole bunch */
- /* find the end of the list */
- for (sub = e->sub; sub && sub->next; sub = sub->next);
- /* set the last sub->next to the first sub */
- sub->next = e->sub;
-
- e->next = gw->endpoints;
- gw->endpoints = e;
- }
- }
- } else if (!strcasecmp(v->name, "name") || !strcasecmp(v->name, "lines")) {
- /* just eliminate realtime warnings */
- } else {
- ast_log(LOG_WARNING, "Don't know keyword '%s' at line %d\n", v->name, v->lineno);
- }
- }
- if (!ntohl(gw->addr.sin_addr.s_addr) && !gw->dynamic) {
- ast_log(LOG_WARNING, "Gateway '%s' lacks IP address and isn't dynamic\n", gw->name);
- if (!gw_reload) {
- ast_mutex_destroy(&gw->msgs_lock);
- ast_free(gw);
- }
-
- /* Return NULL */
- gw_reload = 1;
- } else {
- gw->defaddr.sin_family = AF_INET;
- gw->addr.sin_family = AF_INET;
- if (gw->defaddr.sin_addr.s_addr && !ntohs(gw->defaddr.sin_port)) {
- gw->defaddr.sin_port = htons(DEFAULT_MGCP_GW_PORT);
- }
- if (gw->addr.sin_addr.s_addr && !ntohs(gw->addr.sin_port)) {
- gw->addr.sin_port = htons(DEFAULT_MGCP_GW_PORT);
- }
- {
- struct ast_sockaddr tmp1, tmp2;
- struct sockaddr_in tmp3 = {0,};
-
- tmp3.sin_addr = gw->ourip;
- ast_sockaddr_from_sin(&tmp1, &gw->addr);
- ast_sockaddr_from_sin(&tmp2, &tmp3);
- if (gw->addr.sin_addr.s_addr && ast_ouraddrfor(&tmp1, &tmp2)) {
- memcpy(&gw->ourip, &__ourip, sizeof(gw->ourip));
- } else {
- ast_sockaddr_to_sin(&tmp2, &tmp3);
- gw->ourip = tmp3.sin_addr;
- }
- }
- }
-
- if (chanvars) {
- ast_variables_destroy(chanvars);
- chanvars = NULL;
- }
- return (gw_reload ? NULL : gw);
-}
-
-static enum ast_rtp_glue_result mgcp_get_rtp_peer(struct ast_channel *chan, struct ast_rtp_instance **instance)
-{
- struct mgcp_subchannel *sub = NULL;
-
- if (!(sub = ast_channel_tech_pvt(chan)) || !(sub->rtp))
- return AST_RTP_GLUE_RESULT_FORBID;
-
- ao2_ref(sub->rtp, +1);
- *instance = sub->rtp;
-
- if (sub->parent->directmedia)
- return AST_RTP_GLUE_RESULT_REMOTE;
- else
- return AST_RTP_GLUE_RESULT_LOCAL;
-}
-
-static int mgcp_set_rtp_peer(struct ast_channel *chan, struct ast_rtp_instance *rtp, struct ast_rtp_instance *vrtp, struct ast_rtp_instance *trtp, const struct ast_format_cap *cap, int nat_active)
-{
- /* XXX Is there such thing as video support with MGCP? XXX */
- struct mgcp_subchannel *sub;
- sub = ast_channel_tech_pvt(chan);
- if (sub && !sub->alreadygone) {
- transmit_modify_with_sdp(sub, rtp, cap);
- return 0;
- }
- return -1;
-}
-
-static void mgcp_get_codec(struct ast_channel *chan, struct ast_format_cap *result)
-{
- struct mgcp_subchannel *sub = ast_channel_tech_pvt(chan);
- struct mgcp_endpoint *p = sub->parent;
-
- ast_format_cap_append_from_cap(result, p->cap, AST_MEDIA_TYPE_UNKNOWN);
-}
-
-static struct ast_rtp_glue mgcp_rtp_glue = {
- .type = "MGCP",
- .get_rtp_info = mgcp_get_rtp_peer,
- .update_peer = mgcp_set_rtp_peer,
- .get_codec = mgcp_get_codec,
-};
-
-
-static int acf_channel_read(struct ast_channel *chan, const char *funcname, char *args, char *buf, size_t buflen)
-{
- struct mgcp_subchannel *sub = ast_channel_tech_pvt(chan);
- int res = 0;
-
- /* Sanity check */
- if (!chan || ast_channel_tech(chan) != &mgcp_tech) {
- ast_log(LOG_ERROR, "This function requires a valid MGCP channel\n");
- return -1;
- }
-
- if (!strcasecmp(args, "ncs")) {
- snprintf(buf, buflen, "%s", sub->parent->ncs ? "yes":"no");
- } else {
- res = -1;
- }
- return res;
-}
-
-
-static void destroy_endpoint(struct mgcp_endpoint *e)
-{
- struct mgcp_subchannel *sub = e->sub->next, *s;
- int i;
-
- for (i = 0; i < MAX_SUBS; i++) {
- ast_mutex_lock(&sub->lock);
- if (!ast_strlen_zero(sub->cxident)) {
- transmit_connection_del(sub);
- }
- if (sub->rtp) {
- ast_rtp_instance_destroy(sub->rtp);
- sub->rtp = NULL;
- }
- memset(sub->magic, 0, sizeof(sub->magic));
- mgcp_queue_hangup(sub);
- dump_cmd_queues(NULL, sub);
- if(sub->gate) {
- sub->gate->tech_pvt = NULL;
- sub->gate->got_dq_gi = NULL;
- sub->gate->gate_remove = NULL;
- sub->gate->gate_open = NULL;
- }
- ast_mutex_unlock(&sub->lock);
- sub = sub->next;
- }
-
- if (e->dsp) {
- ast_dsp_free(e->dsp);
- }
-
- dump_queue(e->parent, e);
- dump_cmd_queues(e, NULL);
-
- sub = e->sub;
- for (i = 0; (i < MAX_SUBS) && sub; i++) {
- s = sub;
- sub = sub->next;
- ast_mutex_destroy(&s->lock);
- ast_mutex_destroy(&s->cx_queue_lock);
- ast_free(s);
- }
-
- if (e->mwi_event_sub) {
- e->mwi_event_sub = ast_mwi_unsubscribe(e->mwi_event_sub);
- }
-
- if (e->chanvars) {
- ast_variables_destroy(e->chanvars);
- e->chanvars = NULL;
- }
-
- ast_mutex_destroy(&e->lock);
- ast_mutex_destroy(&e->rqnt_queue_lock);
- ast_mutex_destroy(&e->cmd_queue_lock);
- ao2_ref(e->cap, -1);
- ast_free(e);
-}
-
-static void destroy_gateway(struct mgcp_gateway *g)
-{
- if (g->ha)
- ast_free_ha(g->ha);
-
- dump_queue(g, NULL);
-
- ast_free(g);
-}
-
-static void prune_gateways(void)
-{
- struct mgcp_gateway *g, *z, *r;
- struct mgcp_endpoint *e, *p, *t;
-
- ast_mutex_lock(&gatelock);
-
- /* prune gateways */
- for (z = NULL, g = gateways; g;) {
- /* prune endpoints */
- for (p = NULL, e = g->endpoints; e; ) {
- if (!g->realtime && (e->delme || g->delme)) {
- t = e;
- e = e->next;
- if (!p)
- g->endpoints = e;
- else
- p->next = e;
- destroy_endpoint(t);
- } else {
- p = e;
- e = e->next;
- }
- }
-
- if (g->delme) {
- r = g;
- g = g->next;
- if (!z)
- gateways = g;
- else
- z->next = g;
-
- destroy_gateway(r);
- } else {
- z = g;
- g = g->next;
- }
- }
-
- ast_mutex_unlock(&gatelock);
-}
-
-static struct ast_variable *add_var(const char *buf, struct ast_variable *list)
-{
- struct ast_variable *tmpvar = NULL;
- char *varname = ast_strdupa(buf), *varval = NULL;
-
- if ((varval = strchr(varname, '='))) {
- *varval++ = '\0';
- if ((tmpvar = ast_variable_new(varname, varval, ""))) {
- tmpvar->next = list;
- list = tmpvar;
- }
- }
- return list;
-}
-
-/*! \brief
- * duplicate a list of channel variables, \return the copy.
- */
-static struct ast_variable *copy_vars(struct ast_variable *src)
-{
- struct ast_variable *res = NULL, *tmp, *v = NULL;
-
- for (v = src ; v ; v = v->next) {
- if ((tmp = ast_variable_new(v->name, v->value, v->file))) {
- tmp->next = res;
- res = tmp;
- }
- }
- return res;
-}
-
-/*!
- * \brief Resolve the given hostname and save its IPv4 address.
- *
- * \param[in] hostname The hostname to resolve.
- * \param[out] sin_addr Pointer to a <tt>struct in_addr</tt> in which to
- * store the resolved IPv4 address. \c sin_addr will
- * not be changed if resolution fails.
- *
- * \retval 0 if successful
- * \retval 1 on failure
- */
-static int resolve_first_addr(const char *hostname, struct in_addr *sin_addr)
-{
- struct ast_sockaddr addr = { {0,} };
- struct sockaddr_in tmp;
-
- if (ast_sockaddr_resolve_first_af(&addr, hostname, PARSE_PORT_FORBID, AF_INET)) {
- return 1;
- }
-
- ast_sockaddr_to_sin(&addr, &tmp);
- *sin_addr = tmp.sin_addr;
- return 0;
-}
-
-static int reload_config(int reload)
-{
- struct ast_config *cfg;
- struct ast_variable *v;
- struct mgcp_gateway *g;
- struct mgcp_endpoint *e;
- char *cat;
- struct ast_flags config_flags = { reload ? CONFIG_FLAG_FILEUNCHANGED : 0 };
-
- if (gethostname(ourhost, sizeof(ourhost)-1)) {
- ast_log(LOG_WARNING, "Unable to get hostname, MGCP disabled\n");
- return 0;
- }
- cfg = ast_config_load(config, config_flags);
-
- /* We *must* have a config file otherwise stop immediately */
- if (!cfg) {
- ast_log(LOG_NOTICE, "Unable to load config %s, MGCP disabled\n", config);
- return 0;
- } else if (cfg == CONFIG_STATUS_FILEUNCHANGED) {
- return 0;
- } else if (cfg == CONFIG_STATUS_FILEINVALID) {
- ast_log(LOG_ERROR, "Config file %s is in an invalid format. Aborting.\n", config);
- return 0;
- }
-
- memset(&bindaddr, 0, sizeof(bindaddr));
- dtmfmode = 0;
-
- /* Copy the default jb config over global_jbconf */
- memcpy(&global_jbconf, &default_jbconf, sizeof(struct ast_jb_conf));
-
- for (v = ast_variable_browse(cfg, "general"); v; v = v->next) {
- /* handle jb conf */
- if (!ast_jb_read_conf(&global_jbconf, v->name, v->value)) {
- continue;
- }
-
- /* Create the interface list */
- if (!strcasecmp(v->name, "bindaddr")) {
- if (resolve_first_addr(v->value, &bindaddr.sin_addr)) {
- ast_log(LOG_WARNING, "Invalid address: %s\n", v->value);
- }
- } else if (!strcasecmp(v->name, "allow")) {
- ast_format_cap_update_by_allow_disallow(global_capability, v->value, 1);
- } else if (!strcasecmp(v->name, "disallow")) {
- ast_format_cap_update_by_allow_disallow(global_capability, v->value, 0);
- } else if (!strcasecmp(v->name, "tos")) {
- if (ast_str2tos(v->value, &qos.tos)) {
- ast_log(LOG_WARNING, "Invalid tos value at line %d, refer to QoS documentation\n", v->lineno);
- }
- } else if (!strcasecmp(v->name, "tos_audio")) {
- if (ast_str2tos(v->value, &qos.tos_audio))
- ast_log(LOG_WARNING, "Invalid tos_audio value at line %d, refer to QoS documentation\n", v->lineno);
- } else if (!strcasecmp(v->name, "cos")) {
- if (ast_str2cos(v->value, &qos.cos))
- ast_log(LOG_WARNING, "Invalid cos value at line %d, refer to QoS documentation\n", v->lineno);
- } else if (!strcasecmp(v->name, "cos_audio")) {
- if (ast_str2cos(v->value, &qos.cos_audio))
- ast_log(LOG_WARNING, "Invalid cos_audio value at line %d, refer to QoS documentation\n", v->lineno);
- } else if (!strcasecmp(v->name, "port")) {
- if (sscanf(v->value, "%5d", &ourport) == 1) {
- bindaddr.sin_port = htons(ourport);
- } else {
- ast_log(LOG_WARNING, "Invalid port number '%s' at line %d of %s\n", v->value, v->lineno, config);
- }
- } else if (!strcasecmp(v->name, "firstdigittimeout")) {
- firstdigittimeout = atoi(v->value);
- } else if (!strcasecmp(v->name, "gendigittimeout")) {
- gendigittimeout = atoi(v->value);
- } else if (!strcasecmp(v->name, "matchdigittimeout")) {
- matchdigittimeout = atoi(v->value);
- }
- }
-
- /* mark existing entries for deletion */
- ast_mutex_lock(&gatelock);
- for (g = gateways; g; g = g->next) {
- g->delme = 1;
- for (e = g->endpoints; e; e = e->next) {
- e->delme = 1;
- }
- }
- ast_mutex_unlock(&gatelock);
-
- for (cat = ast_category_browse(cfg, NULL); cat; cat = ast_category_browse(cfg, cat)) {
- if (strcasecmp(cat, "general")) {
- ast_mutex_lock(&gatelock);
- if ((g = build_gateway(cat, ast_variable_browse(cfg, cat)))) {
- ast_verb(3, "Added gateway '%s'\n", g->name);
- g->next = gateways;
- gateways = g;
- }
- ast_mutex_unlock(&gatelock);
-
- /* FS: process queue and IO */
- if (monitor_thread == pthread_self()) {
- if (sched) ast_sched_runq(sched);
- if (io) ast_io_wait(io, 10);
- }
- }
- }
-
- /* prune deleted entries etc. */
- prune_gateways();
-
- if (ntohl(bindaddr.sin_addr.s_addr)) {
- memcpy(&__ourip, &bindaddr.sin_addr, sizeof(__ourip));
- } else {
- if (resolve_first_addr(ourhost, &__ourip)) {
- ast_log(LOG_WARNING, "Unable to get our IP address, MGCP disabled\n");
- ast_config_destroy(cfg);
- return 0;
- }
- }
- if (!ntohs(bindaddr.sin_port))
- bindaddr.sin_port = htons(DEFAULT_MGCP_CA_PORT);
- bindaddr.sin_family = AF_INET;
- ast_mutex_lock(&netlock);
- if (mgcpsock > -1)
- close(mgcpsock);
-
- if (mgcpsock_read_id != NULL)
- ast_io_remove(io, mgcpsock_read_id);
- mgcpsock_read_id = NULL;
-
- mgcpsock = socket(AF_INET, SOCK_DGRAM, 0);
- if (mgcpsock < 0) {
- ast_log(LOG_WARNING, "Unable to create MGCP socket: %s\n", strerror(errno));
- } else {
- if (bind(mgcpsock, (struct sockaddr *)&bindaddr, sizeof(bindaddr)) < 0) {
- ast_log(LOG_WARNING, "Failed to bind to %s:%d: %s\n",
- ast_inet_ntoa(bindaddr.sin_addr), ntohs(bindaddr.sin_port),
- strerror(errno));
- close(mgcpsock);
- mgcpsock = -1;
- } else {
- ast_verb(2, "MGCP Listening on %s:%d\n",
- ast_inet_ntoa(bindaddr.sin_addr), ntohs(bindaddr.sin_port));
- ast_set_qos(mgcpsock, qos.tos, qos.cos, "MGCP");
- }
- }
- ast_mutex_unlock(&netlock);
- ast_config_destroy(cfg);
-
- /* send audit only to the new endpoints */
- for (g = gateways; g; g = g->next) {
- for (e = g->endpoints; e && e->needaudit; e = e->next) {
- e->needaudit = 0;
- transmit_audit_endpoint(e);
- ast_verb(3, "MGCP Auditing endpoint %s@%s for hookstate\n", e->name, g->name);
- }
- }
-
- return 0;
-}
-
-/*!
- * \brief Load the module
- *
- * Module loading including tests for configuration or dependencies.
- * This function can return AST_MODULE_LOAD_FAILURE, AST_MODULE_LOAD_DECLINE,
- * or AST_MODULE_LOAD_SUCCESS. If a dependency or environment variable fails
- * tests return AST_MODULE_LOAD_FAILURE. If the module can not load the
- * configuration file or other non-critical problem return
- * AST_MODULE_LOAD_DECLINE. On success return AST_MODULE_LOAD_SUCCESS.
- */
-static int load_module(void)
-{
- if (!(global_capability = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_DEFAULT))) {
- return AST_MODULE_LOAD_DECLINE;
- }
- if (!(mgcp_tech.capabilities = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_DEFAULT))) {
- ao2_ref(global_capability, -1);
- return AST_MODULE_LOAD_DECLINE;
- }
- ast_format_cap_append(global_capability, ast_format_ulaw, 0);
- ast_format_cap_append(mgcp_tech.capabilities, ast_format_ulaw, 0);
- ast_format_cap_append(mgcp_tech.capabilities, ast_format_alaw, 0);
- if (!(sched = ast_sched_context_create())) {
- ast_log(LOG_WARNING, "Unable to create schedule context\n");
- ao2_ref(global_capability, -1);
- ao2_ref(mgcp_tech.capabilities, -1);
- return AST_MODULE_LOAD_DECLINE;
- }
-
- if (!(io = io_context_create())) {
- ast_log(LOG_WARNING, "Unable to create I/O context\n");
- ast_sched_context_destroy(sched);
- ao2_ref(global_capability, -1);
- ao2_ref(mgcp_tech.capabilities, -1);
- return AST_MODULE_LOAD_DECLINE;
- }
-
- if (reload_config(0)) {
- ao2_ref(global_capability, -1);
- ao2_ref(mgcp_tech.capabilities, -1);
- return AST_MODULE_LOAD_DECLINE;
- }
-
- /* Make sure we can register our mgcp channel type */
- if (ast_channel_register(&mgcp_tech)) {
- ast_log(LOG_ERROR, "Unable to register channel class 'MGCP'\n");
- io_context_destroy(io);
- ast_sched_context_destroy(sched);
- ao2_ref(global_capability, -1);
- ao2_ref(mgcp_tech.capabilities, -1);
- return AST_MODULE_LOAD_DECLINE;
- }
-
- ast_rtp_glue_register(&mgcp_rtp_glue);
- ast_cli_register_multiple(cli_mgcp, sizeof(cli_mgcp) / sizeof(struct ast_cli_entry));
-
- /* And start the monitor for the first time */
- restart_monitor();
-
- return AST_MODULE_LOAD_SUCCESS;
-}
-
-static char *mgcp_reload(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
-{
- static int deprecated = 0;
-
- if (e) {
- switch (cmd) {
- case CLI_INIT:
- e->command = "mgcp reload";
- e->usage =
- "Usage: mgcp reload\n"
- " 'mgcp reload' is deprecated. Please use 'reload chan_mgcp.so' instead.\n";
- return NULL;
- case CLI_GENERATE:
- return NULL;
- }
- }
-
- if (!deprecated && a && a->argc > 0) {
- ast_log(LOG_WARNING, "'mgcp reload' is deprecated. Please use 'reload chan_mgcp.so' instead.\n");
- deprecated = 1;
- }
-
- ast_mutex_lock(&mgcp_reload_lock);
- if (mgcp_reloading) {
- ast_verbose("Previous mgcp reload not yet done\n");
- } else {
- mgcp_reloading = 1;
- }
- ast_mutex_unlock(&mgcp_reload_lock);
- restart_monitor();
- return CLI_SUCCESS;
-}
-
-static int reload(void)
-{
- mgcp_reload(NULL, 0, NULL);
- return 0;
-}
-
-static int unload_module(void)
-{
- struct mgcp_endpoint *e;
- struct mgcp_gateway *g;
-
- /* Check to see if we're reloading */
- if (ast_mutex_trylock(&mgcp_reload_lock)) {
- ast_log(LOG_WARNING, "MGCP is currently reloading. Unable to remove module.\n");
- return -1;
- } else {
- mgcp_reloading = 1;
- ast_mutex_unlock(&mgcp_reload_lock);
- }
-
- /* First, take us out of the channel loop */
- ast_channel_unregister(&mgcp_tech);
-
- /* Shut down the monitoring thread */
- if (!ast_mutex_lock(&monlock)) {
- if (monitor_thread && (monitor_thread != AST_PTHREADT_STOP)) {
- pthread_cancel(monitor_thread);
- pthread_kill(monitor_thread, SIGURG);
- pthread_join(monitor_thread, NULL);
- }
- monitor_thread = AST_PTHREADT_STOP;
- ast_mutex_unlock(&monlock);
- } else {
- ast_log(LOG_WARNING, "Unable to lock the monitor\n");
- /* We always want to leave this in a consistent state */
- ast_channel_register(&mgcp_tech);
- mgcp_reloading = 0;
- mgcp_reload(NULL, 0, NULL);
- return -1;
- }
-
- if (!ast_mutex_lock(&gatelock)) {
- for (g = gateways; g; g = g->next) {
- g->delme = 1;
- for (e = g->endpoints; e; e = e->next) {
- e->delme = 1;
- }
- }
-
- prune_gateways();
- ast_mutex_unlock(&gatelock);
- } else {
- ast_log(LOG_WARNING, "Unable to lock the gateways list.\n");
- /* We always want to leave this in a consistent state */
- ast_channel_register(&mgcp_tech);
- /* Allow the monitor to restart */
- monitor_thread = AST_PTHREADT_NULL;
- mgcp_reloading = 0;
- mgcp_reload(NULL, 0, NULL);
- return -1;
- }
-
- if (mgcpsock > -1) {
- close(mgcpsock);
- }
- ast_rtp_glue_unregister(&mgcp_rtp_glue);
- ast_cli_unregister_multiple(cli_mgcp, sizeof(cli_mgcp) / sizeof(struct ast_cli_entry));
- ast_sched_context_destroy(sched);
-
- ao2_ref(global_capability, -1);
- global_capability = NULL;
- ao2_ref(mgcp_tech.capabilities, -1);
- mgcp_tech.capabilities = NULL;
-
- return 0;
-}
-
-AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_LOAD_ORDER, "Media Gateway Control Protocol (MGCP)",
- .support_level = AST_MODULE_SUPPORT_DEPRECATED,
- .load = load_module,
- .unload = unload_module,
- .reload = reload,
- .load_pri = AST_MODPRI_CHANNEL_DRIVER,
- .optional_modules = "res_pktccops",
-);
+++ /dev/null
-/*
- * Asterisk -- An open source telephony toolkit.
- *
- * Copyright (C) 2009, Attila Domjan
- *
- * Attila Domjan <attila.domjan.hu@gmail.com>
- *
- * See http://www.asterisk.org for more information about
- * the Asterisk project. Please do not directly contact
- * any of the maintainers of this project for assistance;
- * the project provides a web site, mailing lists and IRC
- * channels for your use.
- *
- * This program is free software, distributed under the terms of
- * the GNU General Public License Version 2. See the LICENSE file
- * at the top of the source tree.
- */
-
-/*!\file
- *
- * \brief PacketCable COPS
- *
- * \author Attila Domjan <attila.domjan.hu@gmail.com>
- *
- * \note
- * This module is an add-on to chan_mgcp. It adds support for the
- * PacketCable MGCP variation called NCS. Res_pktccops implements COPS
- * (RFC 2748), a protocol used to manage dynamic bandwith allocation in
- * CMTS's (HFC gateways). When you use NCS, you need to talk COPS with
- * the CMTS to complete the calls.
- */
-
-/*** MODULEINFO
- <defaultenabled>no</defaultenabled>
- <support_level>deprecated</support_level>
- <deprecated_in>19</deprecated_in>
- <removed_in>21</removed_in>
- ***/
-
-#include "asterisk.h"
-
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <fcntl.h>
-#include <netdb.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <time.h>
-#include <errno.h>
-#include <arpa/inet.h>
-#include <signal.h>
-
-#include "asterisk/file.h"
-#include "asterisk/logger.h"
-#include "asterisk/channel.h"
-#include "asterisk/config.h"
-#include "asterisk/options.h"
-#include "asterisk/pbx.h"
-#include "asterisk/module.h"
-#include "asterisk/cli.h"
-#include "asterisk/lock.h"
-#define AST_API_MODULE
-#include "asterisk/pktccops.h"
-
-#define DEFAULT_COPS_PORT "2126"
-
-#define COPS_HEADER_SIZE 8
-#define COPS_OBJECT_HEADER_SIZE 4
-#define GATE_SET_OBJ_SIZE 144
-#define GATEID_OBJ_SIZE 8
-#define GATE_INFO_OBJ_SIZE 24
-
-#define PKTCCOPS_SCOMMAND_GATE_ALLOC 1
-#define PKTCCOPS_SCOMMAND_GATE_ALLOC_ACK 2
-#define PKTCCOPS_SCOMMAND_GATE_ALLOC_ERR 3
-#define PKTCCOPS_SCOMMAND_GATE_SET 4
-#define PKTCCOPS_SCOMMAND_GATE_SET_ACK 5
-#define PKTCCOPS_SCOMMAND_GATE_SET_ERR 6
-#define PKTCCOPS_SCOMMAND_GATE_INFO 7
-#define PKTCCOPS_SCOMMAND_GATE_INFO_ACK 8
-#define PKTCCOPS_SCOMMAND_GATE_INFO_ERR 9
-#define PKTCCOPS_SCOMMAND_GATE_DELETE 10
-#define PKTCCOPS_SCOMMAND_GATE_DELETE_ACK 11
-#define PKTCCOPS_SCOMMAND_GATE_DELETE_ERR 12
-#define PKTCCOPS_SCOMMAND_GATE_OPEN 13
-#define PKTCCOPS_SCOMMAND_GATE_CLOSE 14
-
-AST_MUTEX_DEFINE_STATIC(pktccops_lock);
-static pthread_t pktccops_thread = AST_PTHREADT_NULL;
-static uint16_t cops_trid = 0;
-
-struct pktcobj {
- uint16_t length;
- unsigned char cnum;
- unsigned char ctype;
- char *contents;
- struct pktcobj *next;
-};
-
-struct copsmsg {
- unsigned char verflag;
- unsigned char opcode;
- uint16_t clienttype;
- uint32_t length;
- struct pktcobj *object;
- char *msg; /* != NULL if not packet cable message received */
-};
-
-struct gatespec {
- int direction; /* 0-DS, 1-US */
- int protocolid;
- int flags; /* 0x00 */
- int sessionclass; /* normal voip: 0x01, high priority voip: 0x02, unspecified: 0x00 */
- uint32_t srcip;
- uint32_t dstip;
- uint16_t srcp;
- uint16_t dstp;
- int diffserv;
- uint16_t t1;
- uint16_t t7;
- uint16_t t8;
- uint32_t r; /* Token Bucket Rate */
- uint32_t b; /* token Bucket Size */
- uint32_t p; /* Peak Data Rate */
- uint32_t m; /* Minimum Policed Size*/
- uint32_t mm; /* Maximum Policed Size */
- uint32_t rate;
- uint32_t s; /* Allowable Jitter*/
-};
-
-
-struct cops_cmts {
- AST_LIST_ENTRY(cops_cmts) list;
- char name[80];
- char host[80];
- char port[80];
- uint16_t t1;
- uint16_t t7;
- uint16_t t8;
- uint32_t keepalive;
-
- uint32_t handle;
- int state;
- time_t contime;
- time_t katimer;
- int sfd;
- int need_delete;
-};
-
-struct cops_ippool {
- AST_LIST_ENTRY(cops_ippool) list;
- uint32_t start;
- uint32_t stop;
- struct cops_cmts *cmts;
-};
-
-static uint16_t t1 = 250;
-static uint16_t t7 = 200;
-static uint16_t t8 = 300;
-static uint32_t keepalive = 60;
-static int pktcreload = 0;
-static int gateinfoperiod = 60;
-static int gatetimeout = 150;
-
-AST_LIST_HEAD_STATIC(cmts_list, cops_cmts);
-AST_LIST_HEAD_STATIC(ippool_list, cops_ippool);
-AST_LIST_HEAD_STATIC(gate_list, cops_gate);
-
-static int pktccops_add_ippool(struct cops_ippool *ippool);
-static struct cops_gate *cops_gate_cmd(int cmd, struct cops_cmts *cmts, uint16_t trid, uint32_t mta, uint32_t actcount, float bitrate, uint32_t psize, uint32_t ssip, uint16_t ssport, struct cops_gate *gate);
-static void pktccops_unregister_ippools(void);
-static int load_pktccops_config(void);
-
-static uint32_t ftoieeef(float n)
-{
- uint32_t res;
- memcpy(&res, &n, 4);
- return htonl(res);
-}
-
-static uint16_t cops_constructgatespec(struct gatespec *gs, char *res)
-{
- if (res == NULL) {
- return 0;
- }
-
- *res = (char) gs->direction;
- *(res + 1) = (char) gs->protocolid;
- *(res + 2) = (char) gs->flags;
- *(res + 3) = (char) gs->sessionclass;
-
- *((uint32_t *) (res + 4)) = gs->srcip;
- *((uint32_t *) (res + 8)) = gs->dstip;
-
- *((uint16_t *) (res + 12)) = gs->srcp;
- *((uint16_t *) (res + 14)) = gs->dstp;
-
- *(res + 16) = (char) gs->diffserv;
- *(res + 17) = 0; /* reserved */
- *(res + 18) = 0; /* reserved */
- *(res + 19) = 0; /* reserved */
-
- *((uint16_t *) (res + 20)) = gs->t1;
- *(res + 22) = 0; /* reserved */
- *(res + 23) = 0; /* reserved */
-
- *((uint16_t *) (res + 24)) = gs->t7;
- *((uint16_t *) (res + 26)) = gs->t8;
-
- *((uint32_t *) (res + 28)) = gs->r;
- *((uint32_t *) (res + 32)) = gs->b;
- *((uint32_t *) (res + 36)) = gs->p;
- *((uint32_t *) (res + 40)) = gs->m;
- *((uint32_t *) (res + 44)) = gs->mm;
- *((uint32_t *) (res + 48)) = gs->rate;
- *((uint32_t *) (res + 52)) = gs->s;
- return 56; /* length */
-};
-
-static uint16_t cops_construct_gate (int cmd, char *p, uint16_t trid,
- uint32_t mtahost, uint32_t actcount, float rate, uint32_t psizegateid,
- uint32_t ssip, uint16_t ssport, uint32_t gateid, struct cops_cmts *cmts)
-{
- struct gatespec gs;
- int offset = 0;
-
- ast_debug(3, "CMD: %d\n", cmd);
-
- /* Transaction Identifier 8 octets */
- *(p + offset++) = 0;
- *(p + offset++) = 8; /* length */
- *(p + offset++) = 1; /* snum */
- *(p + offset++) = 1; /* stype */
- *((uint16_t *) (p + offset)) = htons(trid);
- offset += 2;
- *(p + offset++) = 0;
- *(p + offset++) = (cmd == GATE_DEL) ? PKTCCOPS_SCOMMAND_GATE_DELETE : (cmd != GATE_INFO) ? PKTCCOPS_SCOMMAND_GATE_SET : PKTCCOPS_SCOMMAND_GATE_INFO; /* 4: GATE-SET, 7: GATE-INFO */
-
- /*Subscriper Identifier 8 octets */
- *(p + offset++) = 0;
- *(p + offset++) = 8; /* length */
- *(p + offset++) = 2; /* snum */
- *(p + offset++) = 1; /* stype */
- *((uint32_t *) (p + offset)) = htonl(mtahost);
- offset += 4;
-
- if (cmd == GATE_INFO || cmd == GATE_SET_HAVE_GATEID || cmd == GATE_DEL) {
- /* Gate ID 8 Octets */
- *(p + offset++) = 0;
- *(p + offset++) = 8; /* length */
- *(p + offset++) = 3; /* snum */
- *(p + offset++) = 1; /* stype */
- *((uint32_t *) (p + offset)) = htonl(gateid);
- offset += 4;
- if (cmd == GATE_INFO || cmd == GATE_DEL) {
- return offset;
- }
-
- }
-
- /* Activity Count 8 octets */
- *(p + offset++) = 0;
- *(p + offset++) = 8; /* length */
- *(p + offset++) = 4; /* snum */
- *(p + offset++) = 1; /* stype */
- *((uint32_t *) (p + offset)) = htonl(actcount);
- offset += 4;
-
-
- /* Gate Spec 2*60 Octets */
- gs.direction = 0; /* DS */
- gs.protocolid = 17; /* UDP */
- gs.flags = 0;
- gs.sessionclass = 1;
- gs.srcip = htonl(ssip);
- gs.dstip = htonl(mtahost);
- gs.srcp = htons(ssport);
- gs.dstp = 0;
-/* gs.diffserv = 0xa0;*/
- gs.diffserv = 0;
- gs.t1 = htons(cmts->t1);
- gs.t7 = htons(cmts->t7);
- gs.t8 = htons(cmts->t8);
- gs.r = ftoieeef(rate);
- gs.b = ftoieeef(psizegateid);
- gs.p = ftoieeef(rate);
- gs.m = htonl((uint32_t) psizegateid);
- gs.mm = htonl((uint32_t) psizegateid);
- gs.rate = ftoieeef(rate);
- gs.s = htonl(800);
-
-
- *(p + offset) = 0;
- offset++;
- *(p + offset) = 60; /* length */
- offset++;
- *(p + offset) = 5; /* snum */
- offset++;
- *(p + offset) = 1; /* stype */
- offset++;
- offset += cops_constructgatespec(&gs, p + offset);
-
-
- gs.direction = 1; /* US */
- gs.srcip = htonl(mtahost);
- gs.dstip = htonl(ssip);
- gs.srcp = 0;
- gs.dstp = htons(ssport);
- *(p + offset) = 0;
- offset++;
- *(p + offset) = 60; /* length */
- offset++;
- *(p + offset) = 5; /* snum */
- offset++;
- *(p + offset) = 1; /* stype */
- offset++;
- offset += cops_constructgatespec(&gs, p + offset);
-
- return(offset);
-}
-
-static int cops_getmsg (int sfd, struct copsmsg *recmsg)
-{
- int len, lent;
- char buf[COPS_HEADER_SIZE];
- struct pktcobj *pobject = NULL;
- uint16_t *ubuf = (uint16_t *) buf;
- recmsg->msg = NULL;
- recmsg->object = NULL;
- len = recv(sfd, buf, COPS_HEADER_SIZE, MSG_DONTWAIT);
- if (len < COPS_HEADER_SIZE) {
- return len;
- }
- recmsg->verflag = *buf;
- recmsg->opcode = *(buf + 1);
- recmsg->clienttype = ntohs(*((uint16_t *) (buf + 2)));
- recmsg->length = ntohl(*((uint32_t *) (buf + 4)));
- /* Eg KA msg*/
- if (recmsg->clienttype != 0x8008 ) {
- if (!(recmsg->msg = ast_malloc(recmsg->length - COPS_HEADER_SIZE))) {
- return -1;
- }
- lent = recv(sfd, recmsg->msg, recmsg->length - COPS_HEADER_SIZE, MSG_DONTWAIT);
- if (lent < recmsg->length - COPS_HEADER_SIZE) {
- return lent;
- }
- len += len;
- } else {
- /* PacketCable Objects */
- while (len < recmsg->length) {
- if (len == COPS_HEADER_SIZE) {
- /* 1st round */
- if (!(recmsg->object = ast_malloc(sizeof(struct pktcobj)))) {
- return -1;
- }
- pobject = recmsg->object;
- } else {
- if (!(pobject->next = ast_malloc(sizeof(struct pktcobj)))) {
- return -1;
- }
- pobject = pobject->next;
- }
- pobject->next = NULL;
- lent = recv(sfd, buf, COPS_OBJECT_HEADER_SIZE, MSG_DONTWAIT);
- if (lent < COPS_OBJECT_HEADER_SIZE) {
- ast_debug(3, "Too short object header len: %i\n", lent);
- return lent;
- }
- len += lent;
- pobject->length = ntohs(*ubuf);
- pobject->cnum = *(buf + 2);
- pobject->ctype = *(buf + 3);
- if (!(pobject->contents = ast_malloc(pobject->length - COPS_OBJECT_HEADER_SIZE))) {
- return -1;
- }
- lent = recv(sfd, pobject->contents, pobject->length - COPS_OBJECT_HEADER_SIZE, MSG_DONTWAIT);
- if (lent < pobject->length - COPS_OBJECT_HEADER_SIZE) {
- ast_debug(3, "Too short object content len: %i\n", lent);
- return lent;
- }
- len += lent;
- }
- }
- return len;
-}
-
-static int cops_sendmsg (int sfd, struct copsmsg * sendmsg)
-{
- char *buf;
- int bufpos;
- struct pktcobj *pobject;
-
- if (sfd < 0) {
- return -1;
- }
-
- ast_debug(3, "COPS: sending opcode: %i len: %u\n", sendmsg->opcode, sendmsg->length);
- if (sendmsg->length < COPS_HEADER_SIZE) {
- ast_log(LOG_WARNING, "COPS: invalid msg size!!!\n");
- return -1;
- }
- if (!(buf = ast_malloc((size_t) sendmsg->length))) {
- return -1;
- }
- *buf = sendmsg->verflag ;
- *(buf + 1) = sendmsg->opcode;
- *((uint16_t *)(buf + 2)) = htons(sendmsg->clienttype);
- *((uint32_t *)(buf + 4)) = htonl(sendmsg->length);
-
- if (sendmsg->msg != NULL) {
- memcpy(buf + COPS_HEADER_SIZE, sendmsg->msg, sendmsg->length - COPS_HEADER_SIZE);
- } else if (sendmsg->object != NULL) {
- bufpos = 8;
- pobject = sendmsg->object;
- while(pobject != NULL) {
- ast_debug(3, "COPS: Sending Object : cnum: %i ctype %i len: %i\n", pobject->cnum, pobject->ctype, pobject->length);
- if (sendmsg->length < bufpos + pobject->length) {
- ast_log(LOG_WARNING, "COPS: Invalid msg size len: %u objectlen: %i\n", sendmsg->length, pobject->length);
- ast_free(buf);
- return -1;
- }
- *(uint16_t *) (buf + bufpos) = htons(pobject->length);
- *(buf + bufpos + 2) = pobject->cnum;
- *(buf + bufpos + 3) = pobject->ctype;
- if (sendmsg->length < pobject->length + bufpos) {
- ast_log(LOG_WARNING, "COPS: Error sum of object len more the msg len %u < %i\n", sendmsg->length, pobject->length + bufpos);
- ast_free(buf);
- return -1;
- }
- memcpy((buf + bufpos + 4), pobject->contents, pobject->length - 4);
- bufpos += pobject->length;
- pobject = pobject->next;
- }
- }
-
- errno = 0;
-#ifdef HAVE_MSG_NOSIGNAL
-#define SENDFLAGS MSG_NOSIGNAL | MSG_DONTWAIT
-#else
-#define SENDFLAGS MSG_DONTWAIT
-#endif
- if (send(sfd, buf, sendmsg->length, SENDFLAGS) == -1) {
- ast_log(LOG_WARNING, "COPS: Send failed errno=%i\n", errno);
- ast_free(buf);
- return -2;
- }
-#undef SENDFLAGS
- ast_free(buf);
- return 0;
-}
-
-static void cops_freemsg(struct copsmsg *p)
-{
- struct pktcobj *pnext;
- ast_free(p->msg);
- p->msg = NULL;
- while (p->object != NULL) {
- pnext = p->object->next;
- ast_free(p->object->contents);
- p->object->contents = NULL;
- ast_free(p->object);
- p->object = pnext;
- }
- p->object = NULL;
-}
-
-struct cops_gate * AST_OPTIONAL_API_NAME(ast_pktccops_gate_alloc)(int cmd,
- struct cops_gate *gate, uint32_t mta, uint32_t actcount, float bitrate,
- uint32_t psize, uint32_t ssip, uint16_t ssport,
- int (* const got_dq_gi) (struct cops_gate *gate),
- int (* const gate_remove) (struct cops_gate *gate))
-{
- while (pktcreload) {
- sched_yield();
- }
-
- if (cmd == GATE_SET_HAVE_GATEID && gate) {
- ast_debug(3, "------- gate modify gateid 0x%x ssip: 0x%x\n", gate->gateid, ssip);
- /* TODO implement it */
- ast_log(LOG_WARNING, "Modify GateID not implemented\n");
- }
-
- if ((gate = cops_gate_cmd(cmd, NULL, cops_trid++, mta, actcount, bitrate, psize, ssip, ssport, gate))) {
- ast_debug(3, "COPS: Allocating gate for mta: 0x%x\n", mta);
- gate->got_dq_gi = got_dq_gi;
- gate->gate_remove = gate_remove;
- return(gate);
- } else {
- ast_debug(3, "COPS: Couldn't allocate gate for mta: 0x%x\n", mta);
- return NULL;
- }
-}
-
-static struct cops_gate *cops_gate_cmd(int cmd, struct cops_cmts *cmts,
- uint16_t trid, uint32_t mta, uint32_t actcount, float bitrate,
- uint32_t psize, uint32_t ssip, uint16_t ssport, struct cops_gate *gate)
-{
- struct copsmsg *gateset;
- struct cops_gate *new;
- struct cops_ippool *ippool;
-
- if (cmd == GATE_DEL) {
- if (gate == NULL) {
- return NULL;
- } else {
- cmts = gate->cmts;
- }
- }
-
- if (!cmts) {
- AST_LIST_LOCK(&ippool_list);
- AST_LIST_TRAVERSE(&ippool_list, ippool, list) {
- if (mta >= ippool->start && mta <= ippool->stop) {
- cmts = ippool->cmts;
- break;
- }
- }
- AST_LIST_UNLOCK(&ippool_list);
- if (!cmts) {
- ast_log(LOG_WARNING, "COPS: couldn't find cmts for mta: 0x%x\n", mta);
- return NULL;
- }
- if (cmts->sfd < 0) {
- ast_log(LOG_WARNING, "CMTS: %s not connected\n", cmts->name);
- return NULL;
- }
- }
-
- if (cmd == GATE_SET) {
- new = ast_calloc(1, sizeof(*new));
- new->gateid = 0;
- new->trid = trid;
- new->mta = mta;
- new->state = GATE_ALLOC_PROGRESS;
- new->checked = time(NULL);
- new->allocated = time(NULL);
- new->cmts = cmts;
- new->got_dq_gi = NULL;
- new->gate_remove = NULL;
- new->gate_open = NULL;
- new->tech_pvt = NULL;
- new->deltimer = 0;
- AST_LIST_LOCK(&gate_list);
- AST_LIST_INSERT_HEAD(&gate_list, new, list);
- AST_LIST_UNLOCK(&gate_list);
- gate = new;
- } else {
- if (gate) {
- gate->trid = trid;
- }
- }
-
- gate->in_transaction = time(NULL);
-
- if (!(gateset = ast_malloc(sizeof(struct copsmsg)))) {
- ast_free(gateset);
- return NULL;
- }
- gateset->msg = NULL;
- gateset->verflag = 0x10;
- gateset->opcode = 2; /* Decision */
- gateset->clienttype = 0x8008; /* =PacketCable */
-
- /* Handle object */
- gateset->object = ast_malloc(sizeof(struct pktcobj));
- if (!gateset->object) {
- cops_freemsg(gateset);
- ast_free(gateset);
- return NULL;
- }
- gateset->object->length = COPS_OBJECT_HEADER_SIZE + 4;
- gateset->object->cnum = 1; /* Handle */
- gateset->object->ctype = 1; /* client */
- if (!(gateset->object->contents = ast_malloc(sizeof(uint32_t)))) {
- cops_freemsg(gateset);
- ast_free(gateset);
- return NULL;
- }
- *((uint32_t *) gateset->object->contents) = htonl(cmts->handle);
-
- /* Context Object */
- if (!(gateset->object->next = ast_malloc(sizeof(struct pktcobj)))) {
- cops_freemsg(gateset);
- ast_free(gateset);
- return NULL;
- }
- gateset->object->next->length = COPS_OBJECT_HEADER_SIZE + 4;
- gateset->object->next->cnum = 2; /* Context */
- gateset->object->next->ctype = 1; /* Context */
- if (!(gateset->object->next->contents = ast_malloc(sizeof(uint32_t)))) {
- cops_freemsg(gateset);
- ast_free(gateset);
- return NULL;
- }
- *((uint32_t *) gateset->object->next->contents) = htonl(0x00080000); /* R-Type = 8 configuration request, M-Type = 0 */
-
- /* Decision Object: Flags */
- if (!(gateset->object->next->next = ast_malloc(sizeof(struct pktcobj)))) {
- cops_freemsg(gateset);
- ast_free(gateset);
- return NULL;
- }
- gateset->object->next->next->length = COPS_OBJECT_HEADER_SIZE + 4;
- gateset->object->next->next->cnum = 6; /* Decision */
- gateset->object->next->next->ctype = 1; /* Flags */
- if (!(gateset->object->next->next->contents = ast_malloc(sizeof(uint32_t)))) {
- cops_freemsg(gateset);
- ast_free(gateset);
- return NULL;
- }
- *((uint32_t *) gateset->object->next->next->contents) = htonl(0x00010001); /* Install, Trigger Error */
-
- /* Decision Object: Data */
- if (!(gateset->object->next->next->next = ast_malloc(sizeof(struct pktcobj)))) {
- cops_freemsg(gateset);
- ast_free(gateset);
- return NULL;
- }
- gateset->object->next->next->next->length = COPS_OBJECT_HEADER_SIZE + ((cmd != GATE_INFO && cmd != GATE_DEL) ? GATE_SET_OBJ_SIZE : GATE_INFO_OBJ_SIZE) + ((cmd == GATE_SET_HAVE_GATEID) ? GATEID_OBJ_SIZE : 0);
- gateset->object->next->next->next->cnum = 6; /* Decision */
- gateset->object->next->next->next->ctype = 4; /* Decision Data */
- gateset->object->next->next->next->contents = ast_malloc(((cmd != GATE_INFO && cmd != GATE_DEL) ? GATE_SET_OBJ_SIZE : GATE_INFO_OBJ_SIZE) + ((cmd == GATE_SET_HAVE_GATEID) ? GATEID_OBJ_SIZE : 0));
- if (!gateset->object->next->next->next->contents) {
- cops_freemsg(gateset);
- ast_free(gateset);
- return NULL;
- }
- gateset->object->next->next->next->next = NULL;
-
- gateset->length = COPS_HEADER_SIZE + gateset->object->length + gateset->object->next->length + gateset->object->next->next->length + gateset->object->next->next->next->length;
-
- if ((cmd == GATE_INFO || cmd == GATE_SET_HAVE_GATEID || cmd == GATE_DEL) && gate) {
- ast_debug(1, "Construct gate with gateid: 0x%x\n", gate->gateid);
- cops_construct_gate(cmd, gateset->object->next->next->next->contents, trid, mta, actcount, bitrate, psize, ssip, ssport, gate->gateid, cmts);
- } else {
- ast_debug(1, "Construct new gate\n");
- cops_construct_gate(cmd, gateset->object->next->next->next->contents, trid, mta, actcount, bitrate, psize, ssip, ssport, 0, cmts);
- }
- ast_debug(3, "send cmd\n");
- cops_sendmsg(cmts->sfd, gateset);
- cops_freemsg(gateset);
- ast_free(gateset);
- return gate;
-}
-
-static int cops_connect(char *host, char *port)
-{
- int s, sfd = -1;
- struct addrinfo hints;
- struct addrinfo *rp;
- struct addrinfo *result;
-#ifdef HAVE_SO_NOSIGPIPE
- int trueval = 1;
-#endif
-
- memset(&hints, 0, sizeof(struct addrinfo));
-
- hints.ai_family = AF_UNSPEC;
- hints.ai_socktype = SOCK_STREAM;
- hints.ai_flags = 0;
- hints.ai_protocol = 0;
-
- s = getaddrinfo(host, port, &hints, &result);
- if (s != 0) {
- ast_log(LOG_WARNING, "COPS: getaddrinfo: %s\n", gai_strerror(s));
- return -1;
- }
-
- for (rp = result; rp != NULL; rp = rp->ai_next) {
- sfd = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol);
- if (sfd == -1) {
- ast_log(LOG_WARNING, "Failed socket\n");
- }
- ast_fd_set_flags(sfd, O_NONBLOCK);
-#ifdef HAVE_SO_NOSIGPIPE
- setsockopt(sfd, SOL_SOCKET, SO_NOSIGPIPE, &trueval, sizeof(trueval));
-#endif
- connect(sfd, rp->ai_addr, rp->ai_addrlen);
- if (sfd == -1) {
- ast_log(LOG_WARNING, "Failed connect\n");
- }
- }
- freeaddrinfo(result);
-
- ast_debug(3, "Connecting to cmts: %s:%s\n", host, port);
- return(sfd);
-}
-
-#define PKTCCOPS_DESTROY_CURRENT_GATE \
- AST_LIST_REMOVE_CURRENT(list); \
- if (gate->gate_remove) { \
- gate->gate_remove(gate); \
- } \
- ast_free(gate);
-
-static void *do_pktccops(void *data)
-{
- int res, nfds, len;
- struct copsmsg *recmsg, *sendmsg;
- struct copsmsg recmsgb, sendmsgb;
- struct pollfd *pfds = NULL, *tmp;
- struct pktcobj *pobject;
- struct cops_cmts *cmts;
- struct cops_gate *gate;
- char *sobjp;
- uint16_t snst, sobjlen, scommand, recvtrid, actcount, reason, subreason;
- uint32_t gateid, subscrid, pktcerror;
- time_t last_exec = 0;
-
- recmsg = &recmsgb;
- sendmsg = &sendmsgb;
-
- ast_debug(3, "COPS: thread started\n");
-
- for (;;) {
- ast_free(pfds);
- pfds = NULL;
- nfds = 0;
- AST_LIST_LOCK(&cmts_list);
- AST_LIST_TRAVERSE(&cmts_list, cmts, list) {
- if (last_exec != time(NULL)) {
- if (cmts->state == 2 && cmts->katimer + cmts->keepalive < time(NULL)) {
- ast_log(LOG_WARNING, "KA timer (%us) expired cmts: %s\n", cmts->keepalive, cmts->name);
- cmts->state = 0;
- cmts->katimer = -1;
- close(cmts->sfd);
- cmts->sfd = -1;
- }
- }
- if (cmts->sfd > 0) {
- if (!(tmp = ast_realloc(pfds, (nfds + 1) * sizeof(*pfds)))) {
- continue;
- }
- pfds = tmp;
- pfds[nfds].fd = cmts->sfd;
- pfds[nfds].events = POLLIN;
- pfds[nfds].revents = 0;
- nfds++;
- } else {
- cmts->sfd = cops_connect(cmts->host, cmts->port);
- if (cmts->sfd > 0) {
- cmts->state = 1;
- if (cmts->sfd > 0) {
- if (!(tmp = ast_realloc(pfds, (nfds + 1) * sizeof(*pfds)))) {
- continue;
- }
- pfds = tmp;
- pfds[nfds].fd = cmts->sfd;
- pfds[nfds].events = POLLIN;
- pfds[nfds].revents = 0;
- nfds++;
- }
- }
- }
- }
- AST_LIST_UNLOCK(&cmts_list);
-
- if (last_exec != time(NULL)) {
- last_exec = time(NULL);
- AST_LIST_LOCK(&gate_list);
- AST_LIST_TRAVERSE_SAFE_BEGIN(&gate_list, gate, list) {
- if (gate) {
- if (gate->deltimer && gate->deltimer < time(NULL)) {
- gate->deltimer = time(NULL) + 5;
- gate->trid = cops_trid++;
- cops_gate_cmd(GATE_DEL, gate->cmts, gate->trid, 0, 0, 0, 0, 0, 0, gate);
- ast_debug(3, "COPS: requested Gate-Del: CMTS: %s gateid: 0x%x\n", (gate->cmts) ? gate->cmts->name : "null", gate->gateid);
- }
- if (time(NULL) - gate->checked > gatetimeout) {
- ast_debug(3, "COPS: remove from list GATE, CMTS: %s gateid: 0x%x\n", (gate->cmts) ? gate->cmts->name : "null", gate->gateid);
- gate->state = GATE_TIMEOUT;
- PKTCCOPS_DESTROY_CURRENT_GATE;
- } else if (time(NULL) - gate->checked > gateinfoperiod && (gate->state == GATE_ALLOCATED || gate->state == GATE_OPEN)) {
- if (gate->cmts && (!gate->in_transaction || ( gate->in_transaction + 5 ) < time(NULL))) {
- gate->trid = cops_trid++;
- ast_debug(3, "COPS: Gate-Info send to CMTS: %s gateid: 0x%x\n", gate->cmts->name, gate->gateid);
- cops_gate_cmd(GATE_INFO, gate->cmts, gate->trid, gate->mta, 0, 0, 0, 0, 0, gate);
- }
- }
- }
- }
- AST_LIST_TRAVERSE_SAFE_END;
- AST_LIST_UNLOCK(&gate_list);
- }
-
- if (pktcreload == 2) {
- pktcreload = 0;
- }
- if ((res = ast_poll(pfds, nfds, 1000))) {
- AST_LIST_LOCK(&cmts_list);
- AST_LIST_TRAVERSE(&cmts_list, cmts, list) {
- int idx;
- if ((idx = ast_poll_fd_index(pfds, nfds, cmts->sfd)) > -1 && (pfds[idx].revents & POLLIN)) {
- len = cops_getmsg(cmts->sfd, recmsg);
- if (len > 0) {
- ast_debug(3, "COPS: got from %s:\n Header: versflag=0x%02hhx opcode=%i clienttype=0x%04hx msglength=%u\n",
- cmts->name, recmsg->verflag,
- recmsg->opcode, recmsg->clienttype, recmsg->length);
- if (recmsg->object != NULL) {
- pobject = recmsg->object;
- while (pobject != NULL) {
- ast_debug(3, " OBJECT: length=%i cnum=%i ctype=%i\n", pobject->length, pobject->cnum, pobject->ctype);
- if (recmsg->opcode == 1 && pobject->cnum == 1 && pobject->ctype == 1 ) {
- cmts->handle = ntohl(*((uint32_t *) pobject->contents));
- ast_debug(3, " REQ client handle: %u\n", cmts->handle);
- cmts->state = 2;
- cmts->katimer = time(NULL);
- } else if (pobject->cnum == 9 && pobject->ctype == 1) {
- sobjp = pobject->contents;
- subscrid = 0;
- recvtrid = 0;
- scommand = 0;
- pktcerror = 0;
- actcount = 0;
- gateid = 0;
- reason = 0;
- subreason = 0;
- while (sobjp < (pobject->contents + pobject->length - 4)) {
- sobjlen = ntohs(*((uint16_t *) sobjp));
- snst = ntohs(*((uint16_t *) (sobjp + 2)));
- ast_debug(3, " S-Num S-type: 0x%.4x len: %i\n", (unsigned)snst, sobjlen);
- if (snst == 0x0101 ) {
- recvtrid = ntohs(*((uint16_t *) (sobjp + 4)));
- scommand = ntohs(*((uint16_t *) (sobjp + 6)));
- ast_debug(3, " Transaction Identifier command: %i trid %i\n", scommand, recvtrid);
- } else if (snst == 0x0201) {
- subscrid = ntohl(*((uint32_t *) (sobjp + 4)));
- ast_debug(3, " Subscriber ID: 0x%.8x\n", subscrid);
- } else if (snst == 0x0301) {
- gateid = ntohl(*((uint32_t *) (sobjp + 4)));
- ast_debug(3, " Gate ID: 0x%x 0x%.8x\n", gateid, gateid);
- } else if (snst == 0x0401) {
- actcount = ntohs(*((uint16_t *) (sobjp + 6)));
- ast_debug(3, " Activity Count: %i\n", actcount);
- } else if (snst == 0x0901) {
- pktcerror = ntohl(*((uint32_t *) (sobjp + 4)));
- ast_debug(3, " PKTC Error: 0x%.8x\n", pktcerror);
- } else if (snst == 0x0d01) {
- reason = ntohs(*((uint16_t *) (sobjp + 4)));
- subreason = ntohs(*((uint16_t *) (sobjp + 6)));
- ast_debug(3, " Reason: %d Subreason: %d\n", reason, subreason);
- }
- sobjp += sobjlen;
- if (!sobjlen)
- break;
- }
- if (scommand == PKTCCOPS_SCOMMAND_GATE_CLOSE || scommand == PKTCCOPS_SCOMMAND_GATE_OPEN) {
- AST_LIST_LOCK(&gate_list);
- AST_LIST_TRAVERSE_SAFE_BEGIN(&gate_list, gate, list) {
- if (gate->cmts == cmts && gate->gateid == gateid) {
- if (scommand == PKTCCOPS_SCOMMAND_GATE_CLOSE && gate->state != GATE_CLOSED && gate->state != GATE_CLOSED_ERR ) {
- ast_debug(3, "COPS Gate Close Gate ID: 0x%x TrId: %i CMTS: %s\n", gateid, recvtrid, cmts->name);
- if (subreason) {
- gate->state = GATE_CLOSED_ERR;
- PKTCCOPS_DESTROY_CURRENT_GATE;
- } else {
- gate->state = GATE_CLOSED;
- PKTCCOPS_DESTROY_CURRENT_GATE;
- }
- break;
- } else if (scommand == PKTCCOPS_SCOMMAND_GATE_OPEN && gate->state == GATE_ALLOCATED) {
- ast_debug(3, "COPS Gate Open Gate ID: 0x%x TrId: %i CMTS: %s\n", gateid, recvtrid, cmts->name);
- gate->state = GATE_OPEN;
- if (gate->gate_open) {
- ast_debug(3, "Calling GATE-OPEN callback function\n");
- gate->gate_open(gate);
- gate->gate_open = NULL;
- }
- break;
- }
- }
- }
- AST_LIST_TRAVERSE_SAFE_END;
- AST_LIST_UNLOCK(&gate_list);
- } else if (scommand == PKTCCOPS_SCOMMAND_GATE_SET_ACK || scommand == PKTCCOPS_SCOMMAND_GATE_SET_ERR || scommand == PKTCCOPS_SCOMMAND_GATE_INFO_ACK || scommand == PKTCCOPS_SCOMMAND_GATE_INFO_ERR || scommand == PKTCCOPS_SCOMMAND_GATE_DELETE_ACK) {
- AST_LIST_LOCK(&gate_list);
- AST_LIST_TRAVERSE_SAFE_BEGIN(&gate_list, gate, list) {
- if (gate->cmts == cmts && gate->trid == recvtrid) {
- gate->gateid = gateid;
- gate->checked = time(NULL);
- if (scommand == PKTCCOPS_SCOMMAND_GATE_SET_ACK) {
- ast_debug(3, "COPS Gate Set Ack Gate ID: 0x%x TrId: %i CMTS: %s\n", gateid, recvtrid, cmts->name);
- gate->state = GATE_ALLOCATED;
- if (gate->got_dq_gi) {
- gate->got_dq_gi(gate);
- gate->got_dq_gi = NULL;
- }
- } else if (scommand == PKTCCOPS_SCOMMAND_GATE_SET_ERR) {
- ast_debug(3, "COPS Gate Set Error TrId: %i ErrorCode: 0x%.8x CMTS: %s\n ", recvtrid, pktcerror, cmts->name);
- gate->state = GATE_ALLOC_FAILED;
- if (gate->got_dq_gi) {
- gate->got_dq_gi(gate);
- gate->got_dq_gi = NULL;
- }
- PKTCCOPS_DESTROY_CURRENT_GATE;
- } else if (scommand == PKTCCOPS_SCOMMAND_GATE_INFO_ACK) {
- ast_debug(3, "COPS Gate Info Ack Gate ID: 0x%x TrId: %i CMTS: %s\n", gateid, recvtrid, cmts->name);
- } else if (scommand == PKTCCOPS_SCOMMAND_GATE_INFO_ERR) {
- ast_debug(3, "COPS Gate Info Error Gate ID: 0x%x TrId: %i CMTS: %s\n", gateid, recvtrid, cmts->name);
- gate->state = GATE_ALLOC_FAILED;
- PKTCCOPS_DESTROY_CURRENT_GATE;
- } else if (scommand == PKTCCOPS_SCOMMAND_GATE_DELETE_ACK) {
- ast_debug(3, "COPS Gate Deleted Gate ID: 0x%x TrId: %i CMTS: %s\n", gateid, recvtrid, cmts->name);
- gate->state = GATE_DELETED;
- PKTCCOPS_DESTROY_CURRENT_GATE;
- }
- gate->in_transaction = 0;
- break;
- }
- }
- AST_LIST_TRAVERSE_SAFE_END;
- AST_LIST_UNLOCK(&gate_list);
- }
- }
- pobject = pobject->next;
- }
- }
-
- if (recmsg->opcode == 6 && recmsg->object && recmsg->object->cnum == 11 && recmsg->object->ctype == 1) {
- ast_debug(3, "COPS: Client open %s\n", cmts->name);
- sendmsg->msg = NULL;
- sendmsg->verflag = 0x10;
- sendmsg->opcode = 7; /* Client Accept */
- sendmsg->clienttype = 0x8008; /* =PacketCable */
- sendmsg->length = COPS_HEADER_SIZE + COPS_OBJECT_HEADER_SIZE + 4;
- sendmsg->object = ast_malloc(sizeof(struct pktcobj));
- sendmsg->object->length = 4 + COPS_OBJECT_HEADER_SIZE;
- sendmsg->object->cnum = 10; /* keppalive timer*/
- sendmsg->object->ctype = 1;
- sendmsg->object->contents = ast_malloc(sizeof(uint32_t));
- *((uint32_t *) sendmsg->object->contents) = htonl(cmts->keepalive & 0x0000ffff);
- sendmsg->object->next = NULL;
- cops_sendmsg(cmts->sfd, sendmsg);
- cops_freemsg(sendmsg);
- } else if (recmsg->opcode == 9) {
- ast_debug(3, "COPS: Keepalive Request got echoing back %s\n", cmts->name);
- cops_sendmsg(cmts->sfd, recmsg);
- cmts->state = 2;
- cmts->katimer = time(NULL);
- }
- }
- if (len <= 0) {
- ast_debug(3, "COPS: lost connection to %s\n", cmts->name);
- close(cmts->sfd);
- cmts->sfd = -1;
- cmts->state = 0;
- }
- cops_freemsg(recmsg);
- }
- }
- AST_LIST_UNLOCK(&cmts_list);
- }
- if (pktcreload) {
- ast_debug(3, "Reloading pktccops...\n");
- AST_LIST_LOCK(&gate_list);
- AST_LIST_LOCK(&cmts_list);
- pktccops_unregister_ippools();
- AST_LIST_TRAVERSE(&cmts_list, cmts, list) {
- cmts->need_delete = 1;
- }
- load_pktccops_config();
- AST_LIST_TRAVERSE_SAFE_BEGIN(&cmts_list, cmts, list) {
- if (cmts && cmts->need_delete) {
- AST_LIST_TRAVERSE(&gate_list, gate, list) {
- if (gate->cmts == cmts) {
- ast_debug(3, "Null gate %s\n", gate->cmts->name);
- gate->cmts = NULL;
- }
- gate->in_transaction = 0;
- }
- AST_LIST_UNLOCK(&gate_list);
- ast_debug(3, "removing cmts: %s\n", cmts->name);
- if (cmts->sfd > 0) {
- close(cmts->sfd);
- }
- AST_LIST_REMOVE_CURRENT(list);
- ast_free(cmts);
- }
- }
- AST_LIST_TRAVERSE_SAFE_END;
- AST_LIST_UNLOCK(&cmts_list);
- AST_LIST_UNLOCK(&gate_list);
- pktcreload = 2;
- }
- pthread_testcancel();
- }
- return NULL;
-}
-
-static int restart_pktc_thread(void)
-{
- if (pktccops_thread == AST_PTHREADT_STOP) {
- return 0;
- }
- if (ast_mutex_lock(&pktccops_lock)) {
- ast_log(LOG_WARNING, "Unable to lock pktccops\n");
- return -1;
- }
- if (pktccops_thread == pthread_self()) {
- ast_mutex_unlock(&pktccops_lock);
- ast_log(LOG_WARNING, "Cannot kill myself\n");
- return -1;
- }
- if (pktccops_thread != AST_PTHREADT_NULL) {
- /* Wake up the thread */
- pthread_kill(pktccops_thread, SIGURG);
- } else {
- /* Start a new monitor */
- if (ast_pthread_create_background(&pktccops_thread, NULL, do_pktccops, NULL) < 0) {
- ast_mutex_unlock(&pktccops_lock);
- ast_log(LOG_ERROR, "Unable to start monitor thread.\n");
- return -1;
- }
- }
- ast_mutex_unlock(&pktccops_lock);
- return 0;
-}
-
-static int load_pktccops_config(void)
-{
- static char *cfg = "res_pktccops.conf";
- struct ast_config *config;
- struct ast_variable *v;
- struct cops_cmts *cmts;
- struct cops_ippool *new_ippool;
- const char *host, *cat, *port;
- int update;
- int res = 0;
- uint16_t t1_temp, t7_temp, t8_temp;
- uint32_t keepalive_temp;
- unsigned int a,b,c,d,e,f,g,h;
- struct ast_flags config_flags = {0};
-
- if (!(config = ast_config_load(cfg, config_flags))) {
- ast_log(LOG_WARNING, "Unable to load config file res_pktccops.conf\n");
- return -1;
- }
- for (cat = ast_category_browse(config, NULL); cat; cat = ast_category_browse(config, cat)) {
- if (!strcmp(cat, "general")) {
- for (v = ast_variable_browse(config, cat); v; v = v->next) {
- if (!strcasecmp(v->name, "t1")) {
- t1 = atoi(v->value);
- } else if (!strcasecmp(v->name, "t7")) {
- t7 = atoi(v->value);
- } else if (!strcasecmp(v->name, "t8")) {
- t8 = atoi(v->value);
- } else if (!strcasecmp(v->name, "keepalive")) {
- keepalive = atoi(v->value);
- } else if (!strcasecmp(v->name, "gateinfoperiod")) {
- gateinfoperiod = atoi(v->value);
- } else if (!strcasecmp(v->name, "gatetimeout")) {
- gatetimeout = atoi(v->value);
- } else {
- ast_log(LOG_WARNING, "Unkown option %s in general section of res_ptkccops.conf\n", v->name);
- }
- }
- } else {
- /* Defaults */
- host = NULL;
- port = NULL;
- t1_temp = t1;
- t7_temp = t7;
- t8_temp = t8;
- keepalive_temp = keepalive;
-
- for (v = ast_variable_browse(config, cat); v; v = v->next) {
- if (!strcasecmp(v->name, "host")) {
- host = v->value;
- } else if (!strcasecmp(v->name, "port")) {
- port = v->value;
- } else if (!strcasecmp(v->name, "t1")) {
- t1_temp = atoi(v->value);
- } else if (!strcasecmp(v->name, "t7")) {
- t7_temp = atoi(v->value);
- } else if (!strcasecmp(v->name, "t8")) {
- t8_temp = atoi(v->value);
- } else if (!strcasecmp(v->name, "keepalive")) {
- keepalive_temp = atoi(v->value);
- } else if (!strcasecmp(v->name, "pool")) {
- /* we weill parse it in 2nd round */
- } else {
- ast_log(LOG_WARNING, "Unkown option %s in res_ptkccops.conf\n", v->name);
- }
- }
-
- update = 0;
- AST_LIST_TRAVERSE(&cmts_list, cmts, list) {
- if (!strcmp(cmts->name, cat)) {
- update = 1;
- break;
- }
-
- }
- if (!update) {
- cmts = ast_calloc(1, sizeof(*cmts));
- if (!cmts) {
- res = -1;
- break;
- }
- AST_LIST_INSERT_HEAD(&cmts_list, cmts, list);
- }
- if (cat) {
- ast_copy_string(cmts->name, cat, sizeof(cmts->name));
- }
- if (host) {
- ast_copy_string(cmts->host, host, sizeof(cmts->host));
- }
- if (port) {
- ast_copy_string(cmts->port, port, sizeof(cmts->port));
- } else {
- ast_copy_string(cmts->port, DEFAULT_COPS_PORT, sizeof(cmts->port));
- }
-
- cmts->t1 = t1_temp;
- cmts->t7 = t7_temp;
- cmts->t8 = t8_temp;
- cmts->keepalive = keepalive_temp;
- if (!update) {
- cmts->state = 0;
- cmts->sfd = -1;
- }
- cmts->need_delete = 0;
- for (v = ast_variable_browse(config, cat); v; v = v->next) {
- /* parse ipppol when we have cmts ptr */
- if (!strcasecmp(v->name, "pool")) {
- if (sscanf(v->value, "%3u.%3u.%3u.%3u %3u.%3u.%3u.%3u", &a, &b, &c, &d, &e, &f, &g, &h) == 8) {
- new_ippool = ast_calloc(1, sizeof(*new_ippool));
- if (!new_ippool) {
- res = -1;
- break;
- }
- new_ippool->start = a << 24 | b << 16 | c << 8 | d;
- new_ippool->stop = e << 24 | f << 16 | g << 8 | h;
- new_ippool->cmts = cmts;
- pktccops_add_ippool(new_ippool);
- } else {
- ast_log(LOG_WARNING, "Invalid ip pool format in res_pktccops.conf\n");
- }
- }
- }
- }
- }
- ast_config_destroy(config);
- return res;
-}
-
-static char *pktccops_show_cmtses(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
-{
- struct cops_cmts *cmts;
- char statedesc[16];
- int katimer;
-
- switch(cmd) {
- case CLI_INIT:
- e->command = "pktccops show cmtses";
- e->usage =
- "Usage: pktccops show cmtses\n"
- " List PacketCable COPS CMTSes.\n";
-
- return NULL;
- case CLI_GENERATE:
- return NULL;
- }
-
- ast_cli(a->fd, "%-16s %-24s %-12s %7s\n", "Name ", "Host ", "Status ", "KA timer ");
- ast_cli(a->fd, "%-16s %-24s %-12s %7s\n", "------------", "--------------------", "----------", "-----------");
- AST_LIST_LOCK(&cmts_list);
- AST_LIST_TRAVERSE(&cmts_list, cmts, list) {
- katimer = -1;
- if (cmts->state == 2) {
- ast_copy_string(statedesc, "Connected", sizeof(statedesc));
- katimer = (int) (time(NULL) - cmts->katimer);
- } else if (cmts->state == 1) {
- ast_copy_string(statedesc, "Connecting", sizeof(statedesc));
- } else {
- ast_copy_string(statedesc, "N/A", sizeof(statedesc));
- }
- ast_cli(a->fd, "%-16s %-15s:%-8s %-12s %-7d\n", cmts->name, cmts->host, cmts->port, statedesc, katimer);
- }
- AST_LIST_UNLOCK(&cmts_list);
- return CLI_SUCCESS;
-}
-
-static char *pktccops_show_gates(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
-{
- struct cops_gate *gate;
- char state_desc[16];
-
- switch(cmd) {
- case CLI_INIT:
- e->command = "pktccops show gates";
- e->usage =
- "Usage: pktccops show gates\n"
- " List PacketCable COPS GATEs.\n";
-
- return NULL;
- case CLI_GENERATE:
- return NULL;
- }
-
- ast_cli(a->fd, "%-16s %-12s %-12s %-10s %-10s %-10s\n" ,"CMTS", "Gate-Id","MTA", "Status", "AllocTime", "CheckTime");
- ast_cli(a->fd, "%-16s %-12s %-12s %-10s %-10s %-10s\n" ,"--------------" ,"----------", "----------", "--------", "--------", "--------\n");
- AST_LIST_LOCK(&cmts_list);
- AST_LIST_LOCK(&gate_list);
- AST_LIST_TRAVERSE(&gate_list, gate, list) {
- if (gate->state == GATE_ALLOC_FAILED) {
- ast_copy_string(state_desc, "Failed", sizeof(state_desc));
- } else if (gate->state == GATE_ALLOC_PROGRESS) {
- ast_copy_string(state_desc, "In Progress", sizeof(state_desc));
- } else if (gate->state == GATE_ALLOCATED) {
- ast_copy_string(state_desc, "Allocated", sizeof(state_desc));
- } else if (gate->state == GATE_CLOSED) {
- ast_copy_string(state_desc, "Closed", sizeof(state_desc));
- } else if (gate->state == GATE_CLOSED_ERR) {
- ast_copy_string(state_desc, "ClosedErr", sizeof(state_desc));
- } else if (gate->state == GATE_OPEN) {
- ast_copy_string(state_desc, "Open", sizeof(state_desc));
- } else if (gate->state == GATE_DELETED) {
- ast_copy_string(state_desc, "Deleted", sizeof(state_desc));
- } else {
- ast_copy_string(state_desc, "N/A", sizeof(state_desc));
- }
-
- ast_cli(a->fd, "%-16s 0x%.8x 0x%08x %-10s %10i %10i %u\n", (gate->cmts) ? gate->cmts->name : "null" , gate->gateid, gate->mta,
- state_desc, (int) (time(NULL) - gate->allocated), (gate->checked) ? (int) (time(NULL) - gate->checked) : 0, (unsigned int) gate->in_transaction);
- }
- AST_LIST_UNLOCK(&cmts_list);
- AST_LIST_UNLOCK(&gate_list);
- return CLI_SUCCESS;
-}
-
-static char *pktccops_show_pools(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
-{
- struct cops_ippool *ippool;
- char start[32];
- char stop[32];
-
- switch(cmd) {
- case CLI_INIT:
- e->command = "pktccops show pools";
- e->usage =
- "Usage: pktccops show pools\n"
- " List PacketCable COPS ip pools of MTAs.\n";
-
- return NULL;
- case CLI_GENERATE:
- return NULL;
- }
-
- ast_cli(a->fd, "%-16s %-18s %-7s\n", "Start ", "Stop ", "CMTS ");
- ast_cli(a->fd, "%-16s %-18s %-7s\n", "----------", "----------", "--------");
- AST_LIST_LOCK(&ippool_list);
- AST_LIST_TRAVERSE(&ippool_list, ippool, list) {
- snprintf(start, sizeof(start), "%3u.%3u.%3u.%3u", ippool->start >> 24, (ippool->start >> 16) & 0x000000ff, (ippool->start >> 8) & 0x000000ff, ippool->start & 0x000000ff);
-
- snprintf(stop, sizeof(stop), "%3u.%3u.%3u.%3u", ippool->stop >> 24, (ippool->stop >> 16) & 0x000000ff, (ippool->stop >> 8) & 0x000000ff, ippool->stop & 0x000000ff);
- ast_cli(a->fd, "%-16s %-18s %-16s\n", start, stop, ippool->cmts->name);
- }
- AST_LIST_UNLOCK(&ippool_list);
- return CLI_SUCCESS;
-}
-
-static char *pktccops_gatedel(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
-{
- int found = 0;
- int trid;
- uint32_t gateid;
- struct cops_gate *gate;
- struct cops_cmts *cmts;
-
- switch (cmd) {
- case CLI_INIT:
- e->command = "pktccops gatedel";
- e->usage =
- "Usage: pktccops gatedel <cmts> <gateid>\n"
- " Send Gate-Del to cmts.\n";
- return NULL;
- case CLI_GENERATE:
- return NULL;
- }
-
- if (a->argc < 4)
- return CLI_SHOWUSAGE;
-
- AST_LIST_LOCK(&cmts_list);
- AST_LIST_TRAVERSE(&cmts_list, cmts, list) {
- if (!strcmp(cmts->name, a->argv[2])) {
- ast_cli(a->fd, "Found cmts: %s\n", cmts->name);
- found = 1;
- break;
- }
- }
- AST_LIST_UNLOCK(&cmts_list);
-
- if (!found)
- return CLI_SHOWUSAGE;
-
- trid = cops_trid++;
- if (!sscanf(a->argv[3], "%x", &gateid)) {
- ast_cli(a->fd, "bad gate specification (%s)\n", a->argv[3]);
- return CLI_SHOWUSAGE;
- }
-
- found = 0;
- AST_LIST_LOCK(&gate_list);
- AST_LIST_TRAVERSE(&gate_list, gate, list) {
- if (gate->gateid == gateid && gate->cmts == cmts) {
- found = 1;
- break;
- }
- }
-
- if (!found) {
- ast_cli(a->fd, "gate not found: %s\n", a->argv[3]);
- return CLI_SHOWUSAGE;
- }
-
- AST_LIST_UNLOCK(&gate_list);
- cops_gate_cmd(GATE_DEL, cmts, trid, 0, 0, 0, 0, 0, 0, gate);
- return CLI_SUCCESS;
-}
-
-static char *pktccops_gateset(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
-{
- int foundcmts = 0;
- int trid;
- unsigned int an,bn,cn,dn;
- uint32_t mta, ssip;
- struct cops_cmts *cmts;
-
- switch (cmd) {
- case CLI_INIT:
- e->command = "pktccops gateset";
- e->usage =
- "Usage: pktccops gateset <cmts> <mta> <actcount> <bitrate> <packet size> <switch ip> <switch port>\n"
- " Send Gate-Set to cmts.\n";
- return NULL;
- case CLI_GENERATE:
- return NULL;
- }
-
- if (a->argc < 9)
- return CLI_SHOWUSAGE;
-
- if (!strcmp(a->argv[2], "null")) {
- cmts = NULL;
- } else {
- AST_LIST_LOCK(&cmts_list);
- AST_LIST_TRAVERSE(&cmts_list, cmts, list) {
- if (!strcmp(cmts->name, a->argv[2])) {
- ast_cli(a->fd, "Found cmts: %s\n", cmts->name);
- foundcmts = 1;
- break;
- }
- }
- AST_LIST_UNLOCK(&cmts_list);
- if (!foundcmts) {
- ast_cli(a->fd, "CMTS not found: %s\n", a->argv[2]);
- return CLI_SHOWUSAGE;
- }
- }
-
- trid = cops_trid++;
- if (sscanf(a->argv[3], "%3u.%3u.%3u.%3u", &an, &bn, &cn, &dn) != 4) {
- ast_cli(a->fd, "MTA specification (%s) does not look like an ipaddr\n", a->argv[3]);
- return CLI_SHOWUSAGE;
- }
- mta = an << 24 | bn << 16 | cn << 8 | dn;
-
- if (sscanf(a->argv[7], "%3u.%3u.%3u.%3u", &an, &bn, &cn, &dn) != 4) {
- ast_cli(a->fd, "SSIP specification (%s) does not look like an ipaddr\n", a->argv[7]);
- return CLI_SHOWUSAGE;
- }
- ssip = an << 24 | bn << 16 | cn << 8 | dn;
-
- cops_gate_cmd(GATE_SET, cmts, trid, mta, atoi(a->argv[4]), atof(a->argv[5]), atoi(a->argv[6]), ssip, atoi(a->argv[8]), NULL);
- return CLI_SUCCESS;
-}
-
-static struct ast_cli_entry cli_pktccops[] = {
- AST_CLI_DEFINE(pktccops_show_cmtses, "List PacketCable COPS CMTSes"),
- AST_CLI_DEFINE(pktccops_show_gates, "List PacketCable COPS GATEs"),
- AST_CLI_DEFINE(pktccops_show_pools, "List PacketCable MTA pools"),
- AST_CLI_DEFINE(pktccops_gateset, "Send Gate-Set to cmts"),
- AST_CLI_DEFINE(pktccops_gatedel, "Send Gate-Det to cmts"),
-};
-
-static int pktccops_add_ippool(struct cops_ippool *ippool)
-{
- if (ippool) {
- AST_LIST_LOCK(&ippool_list);
- AST_LIST_INSERT_HEAD(&ippool_list, ippool, list);
- AST_LIST_UNLOCK(&ippool_list);
- return 0;
- } else {
- ast_log(LOG_WARNING, "Attempted to register NULL ippool?\n");
- return -1;
- }
-}
-
-static void pktccops_unregister_cmtses(void)
-{
- struct cops_cmts *cmts;
- struct cops_gate *gate;
- AST_LIST_LOCK(&cmts_list);
- while ((cmts = AST_LIST_REMOVE_HEAD(&cmts_list, list))) {
- if (cmts->sfd > 0) {
- close(cmts->sfd);
- }
- ast_free(cmts);
- }
- AST_LIST_UNLOCK(&cmts_list);
-
- AST_LIST_LOCK(&gate_list);
- while ((gate = AST_LIST_REMOVE_HEAD(&gate_list, list))) {
- ast_free(gate);
- }
- AST_LIST_UNLOCK(&gate_list);
-}
-
-static void pktccops_unregister_ippools(void)
-{
- struct cops_ippool *ippool;
- AST_LIST_LOCK(&ippool_list);
- while ((ippool = AST_LIST_REMOVE_HEAD(&ippool_list, list))) {
- ast_free(ippool);
- }
- AST_LIST_UNLOCK(&ippool_list);
-}
-
-static int load_module(void)
-{
- int res;
- AST_LIST_LOCK(&cmts_list);
- res = load_pktccops_config();
- AST_LIST_UNLOCK(&cmts_list);
- if (res == -1) {
- return AST_MODULE_LOAD_DECLINE;
- }
- ast_cli_register_multiple(cli_pktccops, sizeof(cli_pktccops) / sizeof(struct ast_cli_entry));
- restart_pktc_thread();
-
- return 0;
-}
-
-static int unload_module(void)
-{
- if (!ast_mutex_lock(&pktccops_lock)) {
- if ((pktccops_thread != AST_PTHREADT_NULL) && (pktccops_thread != AST_PTHREADT_STOP)) {
- pthread_cancel(pktccops_thread);
- pthread_kill(pktccops_thread, SIGURG);
- pthread_join(pktccops_thread, NULL);
- }
- pktccops_thread = AST_PTHREADT_STOP;
- ast_mutex_unlock(&pktccops_lock);
- } else {
- ast_log(LOG_ERROR, "Unable to lock the pktccops_thread\n");
- return -1;
- }
-
- ast_cli_unregister_multiple(cli_pktccops, sizeof(cli_pktccops) / sizeof(struct ast_cli_entry));
- pktccops_unregister_cmtses();
- pktccops_unregister_ippools();
- pktccops_thread = AST_PTHREADT_NULL;
- return 0;
-}
-
-static int reload_module(void)
-{
- /* Prohibit unloading */
- if (pktcreload) {
- ast_log(LOG_NOTICE, "Previous reload in progress, please wait!\n");
- return -1;
- }
- pktcreload = 1;
- return 0;
-}
-
-AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_GLOBAL_SYMBOLS, "PktcCOPS manager for MGCP",
- .support_level = AST_MODULE_SUPPORT_DEPRECATED,
- .load = load_module,
- .unload = unload_module,
- .reload = reload_module,
-);
projects / thirdparty / asterisk.git / commitdiff
