+++ /dev/null
-/*
- * Asterisk -- An open source telephony toolkit.
- *
- * Copyright (C) 1999 - 2005, 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 Generic Linux Telephony Interface driver
- *
- * \author Mark Spencer <markster@digium.com>
- *
- * \ingroup channel_drivers
- */
-
-/*! \li \ref chan_phone.c uses the configuration file \ref phone.conf
- * \addtogroup configuration_file
- */
-
-/*! \page phone.conf phone.conf
- * \verbinclude phone.conf.sample
- */
-
-/*** MODULEINFO
- <depend>ixjuser</depend>
- <support_level>deprecated</support_level>
- <deprecated_in>16</deprecated_in>
- <removed_in>19</removed_in>
- ***/
-
-#include "asterisk.h"
-
-#include <ctype.h>
-#include <sys/socket.h>
-#include <sys/time.h>
-#include <arpa/inet.h>
-#include <fcntl.h>
-#include <sys/ioctl.h>
-#include <signal.h>
-#ifdef HAVE_LINUX_COMPILER_H
-#include <linux/compiler.h>
-#endif
-#include <linux/telephony.h>
-/* Still use some IXJ specific stuff */
-#include <linux/version.h>
-#include <linux/ixjuser.h>
-
-#include "asterisk/lock.h"
-#include "asterisk/channel.h"
-#include "asterisk/config.h"
-#include "asterisk/module.h"
-#include "asterisk/pbx.h"
-#include "asterisk/utils.h"
-#include "asterisk/callerid.h"
-#include "asterisk/causes.h"
-#include "asterisk/stringfields.h"
-#include "asterisk/musiconhold.h"
-#include "asterisk/format_cache.h"
-#include "asterisk/format_compatibility.h"
-
-#include "chan_phone.h"
-
-#ifdef QTI_PHONEJACK_TJ_PCI /* check for the newer quicknet driver v.3.1.0 which has this symbol */
-#define QNDRV_VER 310
-#else
-#define QNDRV_VER 100
-#endif
-
-#if QNDRV_VER > 100
-#ifdef __linux__
-#define IXJ_PHONE_RING_START(x) ioctl(p->fd, PHONE_RING_START, &x);
-#else /* FreeBSD and others */
-#define IXJ_PHONE_RING_START(x) ioctl(p->fd, PHONE_RING_START, x);
-#endif /* __linux__ */
-#else /* older driver */
-#define IXJ_PHONE_RING_START(x) ioctl(p->fd, PHONE_RING_START, &x);
-#endif
-
-#define DEFAULT_CALLER_ID "Unknown"
-#define PHONE_MAX_BUF 480
-#define DEFAULT_GAIN 0x100
-
-static const char tdesc[] = "Standard Linux Telephony API Driver";
-static const char config[] = "phone.conf";
-
-/* Default context for dialtone mode */
-static char context[AST_MAX_EXTENSION] = "default";
-
-/* Default language */
-static char language[MAX_LANGUAGE] = "";
-
-static int echocancel = AEC_OFF;
-
-static int silencesupression = 0;
-
-static struct ast_format_cap *prefcap;
-
-/* Protect the interface list (of phone_pvt's) */
-AST_MUTEX_DEFINE_STATIC(iflock);
-
-/* 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(monlock);
-
-/* Boolean value whether the monitoring thread shall continue. */
-static unsigned int monitor;
-
-/* 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);
-
-/* The private structures of the Phone Jack channels are linked for
- selecting outgoing channels */
-
-#define MODE_DIALTONE 1
-#define MODE_IMMEDIATE 2
-#define MODE_FXO 3
-#define MODE_FXS 4
-#define MODE_SIGMA 5
-
-static struct phone_pvt {
- int fd; /* Raw file descriptor for this device */
- struct ast_channel *owner; /* Channel we belong to, possibly NULL */
- int mode; /* Is this in the */
- struct ast_format *lastformat; /* Last output format */
- struct ast_format *lastinput; /* Last input format */
- int ministate; /* Miniature state, for dialtone mode */
- char dev[256]; /* Device name */
- struct phone_pvt *next; /* Next channel in list */
- struct ast_frame fr; /* Frame */
- char offset[AST_FRIENDLY_OFFSET];
- char buf[PHONE_MAX_BUF]; /* Static buffer for reading frames */
- int obuflen;
- int dialtone;
- int txgain, rxgain; /* gain control for playing, recording */
- /* 0x100 - 1.0, 0x200 - 2.0, 0x80 - 0.5 */
- int cpt; /* Call Progress Tone playing? */
- int silencesupression;
- char context[AST_MAX_EXTENSION];
- char obuf[PHONE_MAX_BUF * 2];
- char ext[AST_MAX_EXTENSION];
- char language[MAX_LANGUAGE];
- char cid_num[AST_MAX_EXTENSION];
- char cid_name[AST_MAX_EXTENSION];
-} *iflist = NULL;
-
-static char cid_num[AST_MAX_EXTENSION];
-static char cid_name[AST_MAX_EXTENSION];
-
-static struct ast_channel *phone_request(const char *type, struct ast_format_cap *cap, const struct ast_assigned_ids *assignedids, const struct ast_channel *requestor, const char *data, int *cause);
-static int phone_digit_begin(struct ast_channel *ast, char digit);
-static int phone_digit_end(struct ast_channel *ast, char digit, unsigned int duration);
-static int phone_call(struct ast_channel *ast, const char *dest, int timeout);
-static int phone_hangup(struct ast_channel *ast);
-static int phone_answer(struct ast_channel *ast);
-static struct ast_frame *phone_read(struct ast_channel *ast);
-static int phone_write(struct ast_channel *ast, struct ast_frame *frame);
-static struct ast_frame *phone_exception(struct ast_channel *ast);
-static int phone_send_text(struct ast_channel *ast, const char *text);
-static int phone_fixup(struct ast_channel *old, struct ast_channel *new);
-static int phone_indicate(struct ast_channel *chan, int condition, const void *data, size_t datalen);
-
-static struct ast_channel_tech phone_tech = {
- .type = "Phone",
- .description = tdesc,
- .requester = phone_request,
- .send_digit_begin = phone_digit_begin,
- .send_digit_end = phone_digit_end,
- .call = phone_call,
- .hangup = phone_hangup,
- .answer = phone_answer,
- .read = phone_read,
- .write = phone_write,
- .exception = phone_exception,
- .indicate = phone_indicate,
- .fixup = phone_fixup
-};
-
-static struct ast_channel_tech phone_tech_fxs = {
- .type = "Phone",
- .description = tdesc,
- .requester = phone_request,
- .send_digit_begin = phone_digit_begin,
- .send_digit_end = phone_digit_end,
- .call = phone_call,
- .hangup = phone_hangup,
- .answer = phone_answer,
- .read = phone_read,
- .write = phone_write,
- .exception = phone_exception,
- .write_video = phone_write,
- .send_text = phone_send_text,
- .indicate = phone_indicate,
- .fixup = phone_fixup
-};
-
-static struct ast_channel_tech *cur_tech;
-
-static int phone_indicate(struct ast_channel *chan, int condition, const void *data, size_t datalen)
-{
- struct phone_pvt *p = ast_channel_tech_pvt(chan);
- int res=-1;
- ast_debug(1, "Requested indication %d on channel %s\n", condition, ast_channel_name(chan));
- switch(condition) {
- case AST_CONTROL_FLASH:
- ioctl(p->fd, IXJCTL_PSTN_SET_STATE, PSTN_ON_HOOK);
- usleep(320000);
- ioctl(p->fd, IXJCTL_PSTN_SET_STATE, PSTN_OFF_HOOK);
- ao2_cleanup(p->lastformat);
- p->lastformat = NULL;
- res = 0;
- break;
- case AST_CONTROL_HOLD:
- ast_moh_start(chan, data, NULL);
- break;
- case AST_CONTROL_UNHOLD:
- ast_moh_stop(chan);
- break;
- case AST_CONTROL_SRCUPDATE:
- res = 0;
- break;
- case AST_CONTROL_PVT_CAUSE_CODE:
- break;
- default:
- ast_log(LOG_WARNING, "Condition %d is not supported on channel %s\n", condition, ast_channel_name(chan));
- }
- return res;
-}
-
-static int phone_fixup(struct ast_channel *old, struct ast_channel *new)
-{
- struct phone_pvt *pvt = ast_channel_tech_pvt(old);
- if (pvt && pvt->owner == old)
- pvt->owner = new;
- return 0;
-}
-
-static int phone_digit_begin(struct ast_channel *chan, char digit)
-{
- /* XXX Modify this callback to let Asterisk support controlling the length of DTMF */
- return 0;
-}
-
-static int phone_digit_end(struct ast_channel *ast, char digit, unsigned int duration)
-{
- struct phone_pvt *p;
- int outdigit;
- p = ast_channel_tech_pvt(ast);
- ast_debug(1, "Dialed %c\n", digit);
- switch(digit) {
- case '0':
- case '1':
- case '2':
- case '3':
- case '4':
- case '5':
- case '6':
- case '7':
- case '8':
- case '9':
- outdigit = digit - '0';
- break;
- case '*':
- outdigit = 11;
- break;
- case '#':
- outdigit = 12;
- break;
- case 'f': /*flash*/
- case 'F':
- ioctl(p->fd, IXJCTL_PSTN_SET_STATE, PSTN_ON_HOOK);
- usleep(320000);
- ioctl(p->fd, IXJCTL_PSTN_SET_STATE, PSTN_OFF_HOOK);
- ao2_cleanup(p->lastformat);
- p->lastformat = NULL;
- return 0;
- default:
- ast_log(LOG_WARNING, "Unknown digit '%c'\n", digit);
- return -1;
- }
- ast_debug(1, "Dialed %d\n", outdigit);
- ioctl(p->fd, PHONE_PLAY_TONE, outdigit);
- ao2_cleanup(p->lastformat);
- p->lastformat = NULL;
- return 0;
-}
-
-static int phone_call(struct ast_channel *ast, const char *dest, int timeout)
-{
- struct phone_pvt *p;
-
- PHONE_CID cid;
- struct timeval UtcTime = ast_tvnow();
- struct ast_tm tm;
- int start;
-
- ast_localtime(&UtcTime, &tm, NULL);
-
- memset(&cid, 0, sizeof(PHONE_CID));
- snprintf(cid.month, sizeof(cid.month), "%02d",(tm.tm_mon + 1));
- snprintf(cid.day, sizeof(cid.day), "%02d", tm.tm_mday);
- snprintf(cid.hour, sizeof(cid.hour), "%02d", tm.tm_hour);
- snprintf(cid.min, sizeof(cid.min), "%02d", tm.tm_min);
- /* the standard format of ast->callerid is: "name" <number>, but not always complete */
- if (!ast_channel_connected(ast)->id.name.valid
- || ast_strlen_zero(ast_channel_connected(ast)->id.name.str)) {
- strcpy(cid.name, DEFAULT_CALLER_ID);
- } else {
- ast_copy_string(cid.name, ast_channel_connected(ast)->id.name.str, sizeof(cid.name));
- }
-
- if (ast_channel_connected(ast)->id.number.valid && ast_channel_connected(ast)->id.number.str) {
- ast_copy_string(cid.number, ast_channel_connected(ast)->id.number.str, sizeof(cid.number));
- }
-
- p = ast_channel_tech_pvt(ast);
-
- if ((ast_channel_state(ast) != AST_STATE_DOWN) && (ast_channel_state(ast) != AST_STATE_RESERVED)) {
- ast_log(LOG_WARNING, "phone_call called on %s, neither down nor reserved\n", ast_channel_name(ast));
- return -1;
- }
- ast_debug(1, "Ringing %s on %s (%d)\n", dest, ast_channel_name(ast), ast_channel_fd(ast, 0));
-
- start = IXJ_PHONE_RING_START(cid);
- if (start == -1)
- return -1;
-
- if (p->mode == MODE_FXS) {
- const char *digit = strchr(dest, '/');
- if (digit)
- {
- digit++;
- while (*digit)
- phone_digit_end(ast, *digit++, 0);
- }
- }
-
- ast_setstate(ast, AST_STATE_RINGING);
- ast_queue_control(ast, AST_CONTROL_RINGING);
- return 0;
-}
-
-static int phone_hangup(struct ast_channel *ast)
-{
- struct phone_pvt *p;
- p = ast_channel_tech_pvt(ast);
- ast_debug(1, "phone_hangup(%s)\n", ast_channel_name(ast));
- if (!ast_channel_tech_pvt(ast)) {
- ast_log(LOG_WARNING, "Asked to hangup channel not connected\n");
- return 0;
- }
- /* XXX Is there anything we can do to really hang up except stop recording? */
- ast_setstate(ast, AST_STATE_DOWN);
- if (ioctl(p->fd, PHONE_REC_STOP))
- ast_log(LOG_WARNING, "Failed to stop recording\n");
- if (ioctl(p->fd, PHONE_PLAY_STOP))
- ast_log(LOG_WARNING, "Failed to stop playing\n");
- if (ioctl(p->fd, PHONE_RING_STOP))
- ast_log(LOG_WARNING, "Failed to stop ringing\n");
- if (ioctl(p->fd, PHONE_CPT_STOP))
- ast_log(LOG_WARNING, "Failed to stop sounds\n");
-
- /* If it's an FXO, hang them up */
- if (p->mode == MODE_FXO) {
- if (ioctl(p->fd, PHONE_PSTN_SET_STATE, PSTN_ON_HOOK))
- ast_debug(1, "ioctl(PHONE_PSTN_SET_STATE) failed on %s (%s)\n",ast_channel_name(ast), strerror(errno));
- }
-
- /* If they're off hook, give a busy signal */
- if (ioctl(p->fd, PHONE_HOOKSTATE)) {
- ast_debug(1, "Got hunghup, giving busy signal\n");
- ioctl(p->fd, PHONE_BUSY);
- p->cpt = 1;
- }
- ao2_cleanup(p->lastformat);
- p->lastformat = NULL;
- ao2_cleanup(p->lastinput);
- p->lastinput = NULL;
- p->ministate = 0;
- p->obuflen = 0;
- p->dialtone = 0;
- memset(p->ext, 0, sizeof(p->ext));
- ((struct phone_pvt *)(ast_channel_tech_pvt(ast)))->owner = NULL;
- ast_module_unref(ast_module_info->self);
- ast_verb(3, "Hungup '%s'\n", ast_channel_name(ast));
- ast_channel_tech_pvt_set(ast, NULL);
- ast_setstate(ast, AST_STATE_DOWN);
- restart_monitor();
- return 0;
-}
-
-static int phone_setup(struct ast_channel *ast)
-{
- struct phone_pvt *p;
- p = ast_channel_tech_pvt(ast);
- ioctl(p->fd, PHONE_CPT_STOP);
- /* Nothing to answering really, just start recording */
- if (ast_format_cmp(ast_channel_rawreadformat(ast), ast_format_g729) == AST_FORMAT_CMP_EQUAL) {
- /* Prefer g729 */
- ioctl(p->fd, PHONE_REC_STOP);
- if (!p->lastinput || (ast_format_cmp(p->lastinput, ast_format_g729) != AST_FORMAT_CMP_EQUAL)) {
- ao2_replace(p->lastinput, ast_format_g729);
- if (ioctl(p->fd, PHONE_REC_CODEC, G729)) {
- ast_log(LOG_WARNING, "Failed to set codec to g729\n");
- return -1;
- }
- }
- } else if (ast_format_cmp(ast_channel_rawreadformat(ast), ast_format_g723) == AST_FORMAT_CMP_EQUAL) {
- ioctl(p->fd, PHONE_REC_STOP);
- if (!p->lastinput || (ast_format_cmp(p->lastinput, ast_format_g723) != AST_FORMAT_CMP_EQUAL)) {
- ao2_replace(p->lastinput, ast_format_g723);
- if (ioctl(p->fd, PHONE_REC_CODEC, G723_63)) {
- ast_log(LOG_WARNING, "Failed to set codec to g723.1\n");
- return -1;
- }
- }
- } else if (ast_format_cmp(ast_channel_rawreadformat(ast), ast_format_slin) == AST_FORMAT_CMP_EQUAL) {
- ioctl(p->fd, PHONE_REC_STOP);
- if (!p->lastinput || (ast_format_cmp(p->lastinput, ast_format_slin) != AST_FORMAT_CMP_EQUAL)) {
- ao2_replace(p->lastinput, ast_format_slin);
- if (ioctl(p->fd, PHONE_REC_CODEC, LINEAR16)) {
- ast_log(LOG_WARNING, "Failed to set codec to signed linear 16\n");
- return -1;
- }
- }
- } else if (ast_format_cmp(ast_channel_rawreadformat(ast), ast_format_ulaw) == AST_FORMAT_CMP_EQUAL) {
- ioctl(p->fd, PHONE_REC_STOP);
- if (!p->lastinput || (ast_format_cmp(p->lastinput, ast_format_ulaw) != AST_FORMAT_CMP_EQUAL)) {
- ao2_replace(p->lastinput, ast_format_ulaw);
- if (ioctl(p->fd, PHONE_REC_CODEC, ULAW)) {
- ast_log(LOG_WARNING, "Failed to set codec to uLaw\n");
- return -1;
- }
- }
- } else if (p->mode == MODE_FXS) {
- ioctl(p->fd, PHONE_REC_STOP);
- if (!p->lastinput || (ast_format_cmp(p->lastinput, ast_channel_rawreadformat(ast)) == AST_FORMAT_CMP_NOT_EQUAL)) {
- ao2_replace(p->lastinput, ast_channel_rawreadformat(ast));
- if (ioctl(p->fd, PHONE_REC_CODEC, ast_channel_rawreadformat(ast))) {
- ast_log(LOG_WARNING, "Failed to set codec to %s\n",
- ast_format_get_name(ast_channel_rawreadformat(ast)));
- return -1;
- }
- }
- } else {
- ast_log(LOG_WARNING, "Can't do format %s\n", ast_format_get_name(ast_channel_rawreadformat(ast)));
- return -1;
- }
- if (ioctl(p->fd, PHONE_REC_START)) {
- ast_log(LOG_WARNING, "Failed to start recording\n");
- return -1;
- }
- /* set the DTMF times (the default is too short) */
- ioctl(p->fd, PHONE_SET_TONE_ON_TIME, 300);
- ioctl(p->fd, PHONE_SET_TONE_OFF_TIME, 200);
- return 0;
-}
-
-static int phone_answer(struct ast_channel *ast)
-{
- struct phone_pvt *p;
- p = ast_channel_tech_pvt(ast);
- /* In case it's a LineJack, take it off hook */
- if (p->mode == MODE_FXO) {
- if (ioctl(p->fd, PHONE_PSTN_SET_STATE, PSTN_OFF_HOOK))
- ast_debug(1, "ioctl(PHONE_PSTN_SET_STATE) failed on %s (%s)\n", ast_channel_name(ast), strerror(errno));
- else
- ast_debug(1, "Took linejack off hook\n");
- }
- phone_setup(ast);
- ast_debug(1, "phone_answer(%s)\n", ast_channel_name(ast));
- ast_channel_rings_set(ast, 0);
- ast_setstate(ast, AST_STATE_UP);
- return 0;
-}
-
-#if 0
-static char phone_2digit(char c)
-{
- if (c == 12)
- return '#';
- else if (c == 11)
- return '*';
- else if ((c < 10) && (c >= 0))
- return '0' + c - 1;
- else
- return '?';
-}
-#endif
-
-static struct ast_frame *phone_exception(struct ast_channel *ast)
-{
- int res;
- union telephony_exception phonee;
- struct phone_pvt *p = ast_channel_tech_pvt(ast);
- char digit;
-
- /* Some nice norms */
- p->fr.datalen = 0;
- p->fr.samples = 0;
- p->fr.data.ptr = NULL;
- p->fr.src = "Phone";
- p->fr.offset = 0;
- p->fr.mallocd=0;
- p->fr.delivery = ast_tv(0,0);
-
- phonee.bytes = ioctl(p->fd, PHONE_EXCEPTION);
- if (phonee.bits.dtmf_ready) {
- ast_debug(1, "phone_exception(): DTMF\n");
-
- /* We've got a digit -- Just handle this nicely and easily */
- digit = ioctl(p->fd, PHONE_GET_DTMF_ASCII);
- p->fr.subclass.integer = digit;
- p->fr.frametype = AST_FRAME_DTMF;
- return &p->fr;
- }
- if (phonee.bits.hookstate) {
- ast_debug(1, "Hookstate changed\n");
- res = ioctl(p->fd, PHONE_HOOKSTATE);
- /* See if we've gone on hook, if so, notify by returning NULL */
- ast_debug(1, "New hookstate: %d\n", res);
- if (!res && (p->mode != MODE_FXO))
- return NULL;
- else {
- if (ast_channel_state(ast) == AST_STATE_RINGING) {
- /* They've picked up the phone */
- p->fr.frametype = AST_FRAME_CONTROL;
- p->fr.subclass.integer = AST_CONTROL_ANSWER;
- phone_setup(ast);
- ast_setstate(ast, AST_STATE_UP);
- return &p->fr;
- } else
- ast_log(LOG_WARNING, "Got off hook in weird state %u\n", ast_channel_state(ast));
- }
- }
-#if 1
- if (phonee.bits.pstn_ring)
- ast_verbose("Unit is ringing\n");
- if (phonee.bits.caller_id) {
- ast_verbose("We have caller ID\n");
- }
- if (phonee.bits.pstn_wink)
- ast_verbose("Detected Wink\n");
-#endif
- /* Strange -- nothing there.. */
- p->fr.frametype = AST_FRAME_NULL;
- p->fr.subclass.integer = 0;
- return &p->fr;
-}
-
-static struct ast_frame *phone_read(struct ast_channel *ast)
-{
- int res;
- struct phone_pvt *p = ast_channel_tech_pvt(ast);
-
-
- /* Some nice norms */
- p->fr.datalen = 0;
- p->fr.samples = 0;
- p->fr.data.ptr = NULL;
- p->fr.src = "Phone";
- p->fr.offset = 0;
- p->fr.mallocd=0;
- p->fr.delivery = ast_tv(0,0);
-
- /* Try to read some data... */
- CHECK_BLOCKING(ast);
- res = read(p->fd, p->buf, PHONE_MAX_BUF);
- ast_clear_flag(ast_channel_flags(ast), AST_FLAG_BLOCKING);
- if (res < 0) {
-#if 0
- if (errno == EAGAIN) {
- ast_log(LOG_WARNING, "Null frame received\n");
- p->fr.frametype = AST_FRAME_NULL;
- p->fr.subclass = 0;
- return &p->fr;
- }
-#endif
- ast_log(LOG_WARNING, "Error reading: %s\n", strerror(errno));
- return NULL;
- }
- p->fr.data.ptr = p->buf;
- if (p->mode != MODE_FXS)
- switch(p->buf[0] & 0x3) {
- case '0':
- case '1':
- /* Normal */
- break;
- case '2':
- case '3':
- /* VAD/CNG, only send two words */
- res = 4;
- break;
- }
- p->fr.samples = 240;
- p->fr.datalen = res;
- p->fr.frametype = ast_format_get_type(p->lastinput) == AST_MEDIA_TYPE_AUDIO ?
- AST_FRAME_VOICE : ast_format_get_type(p->lastinput) == AST_MEDIA_TYPE_IMAGE ?
- AST_FRAME_IMAGE : AST_FRAME_VIDEO;
- p->fr.subclass.format = p->lastinput;
- p->fr.offset = AST_FRIENDLY_OFFSET;
- /* Byteswap from little-endian to native-endian */
- if (ast_format_cmp(p->fr.subclass.format, ast_format_slin) == AST_FORMAT_CMP_EQUAL)
- ast_frame_byteswap_le(&p->fr);
- return &p->fr;
-}
-
-static int phone_write_buf(struct phone_pvt *p, const char *buf, int len, int frlen, int swap)
-{
- int res;
- /* Store as much of the buffer as we can, then write fixed frames */
- int space = sizeof(p->obuf) - p->obuflen;
- /* Make sure we have enough buffer space to store the frame */
- if (space < len)
- len = space;
- if (swap)
- ast_swapcopy_samples(p->obuf+p->obuflen, buf, len/2);
- else
- memcpy(p->obuf + p->obuflen, buf, len);
- p->obuflen += len;
- while(p->obuflen > frlen) {
- res = write(p->fd, p->obuf, frlen);
- if (res != frlen) {
- if (res < 1) {
-/*
- * Card is in non-blocking mode now and it works well now, but there are
- * lot of messages like this. So, this message is temporarily disabled.
- */
- return 0;
- } else {
- ast_log(LOG_WARNING, "Only wrote %d of %d bytes\n", res, frlen);
- }
- }
- p->obuflen -= frlen;
- /* Move memory if necessary */
- if (p->obuflen)
- memmove(p->obuf, p->obuf + frlen, p->obuflen);
- }
- return len;
-}
-
-static int phone_send_text(struct ast_channel *ast, const char *text)
-{
- int length = strlen(text);
- return phone_write_buf(ast_channel_tech_pvt(ast), text, length, length, 0) ==
- length ? 0 : -1;
-}
-
-static int phone_write(struct ast_channel *ast, struct ast_frame *frame)
-{
- struct phone_pvt *p = ast_channel_tech_pvt(ast);
- int res;
- int maxfr=0;
- char *pos;
- int sofar;
- int expected;
- int codecset = 0;
- char tmpbuf[4];
- /* Write a frame of (presumably voice) data */
- if (frame->frametype != AST_FRAME_VOICE && p->mode != MODE_FXS) {
- if (frame->frametype != AST_FRAME_IMAGE)
- ast_log(LOG_WARNING, "Don't know what to do with frame type '%u'\n", frame->frametype);
- return 0;
- }
-#if 0
- /* If we're not in up mode, go into up mode now */
- if (ast->_state != AST_STATE_UP) {
- ast_setstate(ast, AST_STATE_UP);
- phone_setup(ast);
- }
-#else
- if (ast_channel_state(ast) != AST_STATE_UP) {
- /* Don't try tos end audio on-hook */
- return 0;
- }
-#endif
- if (ast_format_cmp(frame->subclass.format, ast_format_g729) == AST_FORMAT_CMP_EQUAL) {
- if (!p->lastformat || (ast_format_cmp(p->lastformat, ast_format_g729) != AST_FORMAT_CMP_EQUAL)) {
- ioctl(p->fd, PHONE_PLAY_STOP);
- ioctl(p->fd, PHONE_REC_STOP);
- if (ioctl(p->fd, PHONE_PLAY_CODEC, G729)) {
- ast_log(LOG_WARNING, "Unable to set G729 mode\n");
- return -1;
- }
- if (ioctl(p->fd, PHONE_REC_CODEC, G729)) {
- ast_log(LOG_WARNING, "Unable to set G729 mode\n");
- return -1;
- }
- ao2_replace(p->lastformat, ast_format_g729);
- ao2_replace(p->lastinput, ast_format_g729);
- /* Reset output buffer */
- p->obuflen = 0;
- codecset = 1;
- }
- if (frame->datalen > 80) {
- ast_log(LOG_WARNING, "Frame size too large for G.729 (%d bytes)\n", frame->datalen);
- return -1;
- }
- maxfr = 80;
- } else if (ast_format_cmp(frame->subclass.format, ast_format_g723) == AST_FORMAT_CMP_EQUAL) {
- if (!p->lastformat || (ast_format_cmp(p->lastformat, ast_format_g723) != AST_FORMAT_CMP_EQUAL)) {
- ioctl(p->fd, PHONE_PLAY_STOP);
- ioctl(p->fd, PHONE_REC_STOP);
- if (ioctl(p->fd, PHONE_PLAY_CODEC, G723_63)) {
- ast_log(LOG_WARNING, "Unable to set G723.1 mode\n");
- return -1;
- }
- if (ioctl(p->fd, PHONE_REC_CODEC, G723_63)) {
- ast_log(LOG_WARNING, "Unable to set G723.1 mode\n");
- return -1;
- }
- ao2_replace(p->lastformat, ast_format_g723);
- ao2_replace(p->lastinput, ast_format_g723);
- /* Reset output buffer */
- p->obuflen = 0;
- codecset = 1;
- }
- if (frame->datalen > 24) {
- ast_log(LOG_WARNING, "Frame size too large for G.723.1 (%d bytes)\n", frame->datalen);
- return -1;
- }
- maxfr = 24;
- } else if (ast_format_cmp(frame->subclass.format, ast_format_slin) == AST_FORMAT_CMP_EQUAL) {
- if (!p->lastformat || (ast_format_cmp(p->lastformat, ast_format_slin) != AST_FORMAT_CMP_EQUAL)) {
- ioctl(p->fd, PHONE_PLAY_STOP);
- ioctl(p->fd, PHONE_REC_STOP);
- if (ioctl(p->fd, PHONE_PLAY_CODEC, LINEAR16)) {
- ast_log(LOG_WARNING, "Unable to set 16-bit linear mode\n");
- return -1;
- }
- if (ioctl(p->fd, PHONE_REC_CODEC, LINEAR16)) {
- ast_log(LOG_WARNING, "Unable to set 16-bit linear mode\n");
- return -1;
- }
- ao2_replace(p->lastformat, ast_format_slin);
- ao2_replace(p->lastinput, ast_format_slin);
- codecset = 1;
- /* Reset output buffer */
- p->obuflen = 0;
- }
- maxfr = 480;
- } else if (ast_format_cmp(frame->subclass.format, ast_format_ulaw) == AST_FORMAT_CMP_EQUAL) {
- if (!p->lastformat || (ast_format_cmp(p->lastformat, ast_format_ulaw) != AST_FORMAT_CMP_EQUAL)) {
- ioctl(p->fd, PHONE_PLAY_STOP);
- ioctl(p->fd, PHONE_REC_STOP);
- if (ioctl(p->fd, PHONE_PLAY_CODEC, ULAW)) {
- ast_log(LOG_WARNING, "Unable to set uLaw mode\n");
- return -1;
- }
- if (ioctl(p->fd, PHONE_REC_CODEC, ULAW)) {
- ast_log(LOG_WARNING, "Unable to set uLaw mode\n");
- return -1;
- }
- ao2_replace(p->lastformat, ast_format_ulaw);
- ao2_replace(p->lastinput, ast_format_ulaw);
- codecset = 1;
- /* Reset output buffer */
- p->obuflen = 0;
- }
- maxfr = 240;
- } else {
- if (!p->lastformat || (ast_format_cmp(p->lastformat, frame->subclass.format) != AST_FORMAT_CMP_EQUAL)) {
- ioctl(p->fd, PHONE_PLAY_STOP);
- ioctl(p->fd, PHONE_REC_STOP);
- if (ioctl(p->fd, PHONE_PLAY_CODEC, ast_format_compatibility_format2bitfield(frame->subclass.format))) {
- ast_log(LOG_WARNING, "Unable to set %s mode\n",
- ast_format_get_name(frame->subclass.format));
- return -1;
- }
- if (ioctl(p->fd, PHONE_REC_CODEC, ast_format_compatibility_format2bitfield(frame->subclass.format))) {
- ast_log(LOG_WARNING, "Unable to set %s mode\n",
- ast_format_get_name(frame->subclass.format));
- return -1;
- }
- ao2_replace(p->lastformat, frame->subclass.format);
- ao2_replace(p->lastinput, frame->subclass.format);
- codecset = 1;
- /* Reset output buffer */
- p->obuflen = 0;
- }
- maxfr = 480;
- }
- if (codecset) {
- ioctl(p->fd, PHONE_REC_DEPTH, 3);
- ioctl(p->fd, PHONE_PLAY_DEPTH, 3);
- if (ioctl(p->fd, PHONE_PLAY_START)) {
- ast_log(LOG_WARNING, "Failed to start playback\n");
- return -1;
- }
- if (ioctl(p->fd, PHONE_REC_START)) {
- ast_log(LOG_WARNING, "Failed to start recording\n");
- return -1;
- }
- }
- /* If we get here, we have a frame of Appropriate data */
- sofar = 0;
- pos = frame->data.ptr;
- while(sofar < frame->datalen) {
- /* Write in no more than maxfr sized frames */
- expected = frame->datalen - sofar;
- if (maxfr < expected)
- expected = maxfr;
- /* XXX Internet Phone Jack does not handle the 4-byte VAD frame properly! XXX
- we have to pad it to 24 bytes still. */
- if (frame->datalen == 4) {
- if (p->silencesupression) {
- memcpy(tmpbuf, frame->data.ptr, 4);
- expected = 24;
- res = phone_write_buf(p, tmpbuf, expected, maxfr, 0);
- }
- res = 4;
- expected=4;
- } else {
- int swap = 0;
-#if __BYTE_ORDER == __BIG_ENDIAN
- if (ast_format_cmp(frame->subclass.format, ast_format_slin) == AST_FORMAT_CMP_EQUAL)
- swap = 1; /* Swap big-endian samples to little-endian as we copy */
-#endif
- res = phone_write_buf(p, pos, expected, maxfr, swap);
- }
- if (res != expected) {
- if ((errno != EAGAIN) && (errno != EINTR)) {
- if (res < 0)
- ast_log(LOG_WARNING, "Write returned error (%s)\n", strerror(errno));
- /*
- * Card is in non-blocking mode now and it works well now, but there are
- * lot of messages like this. So, this message is temporarily disabled.
- */
-#if 0
- else
- ast_log(LOG_WARNING, "Only wrote %d of %d bytes\n", res, frame->datalen);
-#endif
- return -1;
- } else /* Pretend it worked */
- res = expected;
- }
- sofar += res;
- pos += res;
- }
- return 0;
-}
-
-static struct ast_channel *phone_new(struct phone_pvt *i, int state, char *cntx, const struct ast_assigned_ids *assignedids, const struct ast_channel *requestor)
-{
- struct ast_format_cap *caps = NULL;
- struct ast_channel *tmp;
- struct phone_codec_data queried_codec;
- struct ast_format *tmpfmt;
- caps = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_DEFAULT);
- tmp = ast_channel_alloc(1, state, i->cid_num, i->cid_name, "", i->ext, i->context, assignedids, requestor, 0, "Phone/%s", i->dev + 5);
- if (tmp && caps) {
- ast_channel_lock(tmp);
- ast_channel_tech_set(tmp, cur_tech);
- ast_channel_set_fd(tmp, 0, i->fd);
- /* XXX Switching formats silently causes kernel panics XXX */
- if (i->mode == MODE_FXS &&
- ioctl(i->fd, PHONE_QUERY_CODEC, &queried_codec) == 0) {
- if (queried_codec.type == LINEAR16) {
- ast_format_cap_append(caps, ast_format_slin, 0);
- } else {
- ast_format_cap_remove(prefcap, ast_format_slin);
- ast_format_cap_append_from_cap(caps, prefcap, AST_MEDIA_TYPE_UNKNOWN);
- }
- } else {
- ast_format_cap_append_from_cap(caps, prefcap, AST_MEDIA_TYPE_UNKNOWN);
- }
- tmpfmt = ast_format_cap_get_format(caps, 0);
- ast_channel_nativeformats_set(tmp, caps);
- ao2_ref(caps, -1);
- ast_channel_set_rawreadformat(tmp, tmpfmt);
- ast_channel_set_rawwriteformat(tmp, tmpfmt);
- ao2_ref(tmpfmt, -1);
- /* no need to call ast_setstate: the channel_alloc already did its job */
- if (state == AST_STATE_RING)
- ast_channel_rings_set(tmp, 1);
- ast_channel_tech_pvt_set(tmp, i);
- ast_channel_context_set(tmp, cntx);
- if (!ast_strlen_zero(i->ext))
- ast_channel_exten_set(tmp, i->ext);
- else
- ast_channel_exten_set(tmp, "s");
- if (!ast_strlen_zero(i->language))
- ast_channel_language_set(tmp, i->language);
-
- /* Don't use ast_set_callerid() here because it will
- * generate a NewCallerID event before the NewChannel 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);
- }
-
- i->owner = tmp;
- ast_module_ref(ast_module_info->self);
- ast_channel_unlock(tmp);
- if (state != AST_STATE_DOWN) {
- if (state == AST_STATE_RING) {
- ioctl(ast_channel_fd(tmp, 0), PHONE_RINGBACK);
- i->cpt = 1;
- }
- if (ast_pbx_start(tmp)) {
- ast_log(LOG_WARNING, "Unable to start PBX on %s\n", ast_channel_name(tmp));
- ast_hangup(tmp);
- }
- }
- } else {
- ao2_cleanup(caps);
- ast_log(LOG_WARNING, "Unable to allocate channel structure\n");
- }
- return tmp;
-}
-
-static void phone_mini_packet(struct phone_pvt *i)
-{
- int res;
- char buf[1024];
- /* Ignore stuff we read... */
- res = read(i->fd, buf, sizeof(buf));
- if (res < 1) {
- ast_log(LOG_WARNING, "Read returned %d: %s\n", res, strerror(errno));
- return;
- }
-}
-
-static void phone_check_exception(struct phone_pvt *i)
-{
- int offhook=0;
- char digit[2] = {0 , 0};
- union telephony_exception phonee;
- /* XXX Do something XXX */
-#if 0
- ast_debug(1, "Exception!\n");
-#endif
- phonee.bytes = ioctl(i->fd, PHONE_EXCEPTION);
- if (phonee.bits.dtmf_ready) {
- digit[0] = ioctl(i->fd, PHONE_GET_DTMF_ASCII);
- if (i->mode == MODE_DIALTONE || i->mode == MODE_FXS || i->mode == MODE_SIGMA) {
- ioctl(i->fd, PHONE_PLAY_STOP);
- ioctl(i->fd, PHONE_REC_STOP);
- ioctl(i->fd, PHONE_CPT_STOP);
- i->dialtone = 0;
- if (strlen(i->ext) < AST_MAX_EXTENSION - 1)
- strncat(i->ext, digit, sizeof(i->ext) - strlen(i->ext) - 1);
- if ((i->mode != MODE_FXS ||
- !(phonee.bytes = ioctl(i->fd, PHONE_EXCEPTION)) ||
- !phonee.bits.dtmf_ready) &&
- ast_exists_extension(NULL, i->context, i->ext, 1, i->cid_num)) {
- /* It's a valid extension in its context, get moving! */
- phone_new(i, AST_STATE_RING, i->context, NULL, NULL);
- /* No need to restart monitor, we are the monitor */
- } else if (!ast_canmatch_extension(NULL, i->context, i->ext, 1, i->cid_num)) {
- /* There is nothing in the specified extension that can match anymore.
- Try the default */
- if (ast_exists_extension(NULL, "default", i->ext, 1, i->cid_num)) {
- /* Check the default, too... */
- phone_new(i, AST_STATE_RING, "default", NULL, NULL);
- /* XXX This should probably be justified better XXX */
- } else if (!ast_canmatch_extension(NULL, "default", i->ext, 1, i->cid_num)) {
- /* It's not a valid extension, give a busy signal */
- ast_debug(1, "%s can't match anything in %s or default\n", i->ext, i->context);
- ioctl(i->fd, PHONE_BUSY);
- i->cpt = 1;
- }
- }
-#if 0
- ast_verbose("Extension is %s\n", i->ext);
-#endif
- }
- }
- if (phonee.bits.hookstate) {
- offhook = ioctl(i->fd, PHONE_HOOKSTATE);
- if (offhook) {
- if (i->mode == MODE_IMMEDIATE) {
- phone_new(i, AST_STATE_RING, i->context, NULL, NULL);
- } else if (i->mode == MODE_DIALTONE) {
- ast_module_ref(ast_module_info->self);
- /* Reset the extension */
- i->ext[0] = '\0';
- /* Play the dialtone */
- i->dialtone++;
- ioctl(i->fd, PHONE_PLAY_STOP);
- ioctl(i->fd, PHONE_PLAY_CODEC, ULAW);
- ioctl(i->fd, PHONE_PLAY_START);
- ao2_cleanup(i->lastformat);
- i->lastformat = NULL;
- } else if (i->mode == MODE_SIGMA) {
- ast_module_ref(ast_module_info->self);
- /* Reset the extension */
- i->ext[0] = '\0';
- /* Play the dialtone */
- i->dialtone++;
- ioctl(i->fd, PHONE_DIALTONE);
- }
- } else {
- if (i->dialtone)
- ast_module_unref(ast_module_info->self);
- memset(i->ext, 0, sizeof(i->ext));
- if (i->cpt)
- {
- ioctl(i->fd, PHONE_CPT_STOP);
- i->cpt = 0;
- }
- ioctl(i->fd, PHONE_PLAY_STOP);
- ioctl(i->fd, PHONE_REC_STOP);
- i->dialtone = 0;
- ao2_cleanup(i->lastformat);
- i->lastformat = NULL;
- }
- }
- if (phonee.bits.pstn_ring) {
- ast_verbose("Unit is ringing\n");
- phone_new(i, AST_STATE_RING, i->context, NULL, NULL);
- }
- if (phonee.bits.caller_id)
- ast_verbose("We have caller ID\n");
-
-
-}
-
-static void *do_monitor(void *data)
-{
- struct pollfd *fds = NULL;
- int nfds = 0, inuse_fds = 0, res;
- struct phone_pvt *i;
- int tonepos = 0;
- /* The tone we're playing this round */
- struct timeval to = { 0, 0 };
- int dotone;
- /* This thread monitors all the frame relay interfaces which are not yet in use
- (and thus do not have a separate thread) indefinitely */
- while (monitor) {
- /* 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. */
- /* Lock the interface list */
- if (ast_mutex_lock(&iflock)) {
- ast_log(LOG_ERROR, "Unable to grab interface lock\n");
- return NULL;
- }
- /* Build the stuff we're going to select on, that is the socket of every
- phone_pvt that does not have an associated owner channel */
- i = iflist;
- dotone = 0;
- inuse_fds = 0;
- for (i = iflist; i; i = i->next) {
- if (!i->owner) {
- /* This needs to be watched, as it lacks an owner */
- if (inuse_fds == nfds) {
- void *tmp = ast_realloc(fds, (nfds + 1) * sizeof(*fds));
- if (!tmp) {
- /* Avoid leaking */
- continue;
- }
- fds = tmp;
- nfds++;
- }
- fds[inuse_fds].fd = i->fd;
- fds[inuse_fds].events = POLLIN | POLLERR;
- fds[inuse_fds].revents = 0;
- inuse_fds++;
-
- if (i->dialtone && i->mode != MODE_SIGMA) {
- /* Remember we're going to have to come back and play
- more dialtones */
- if (ast_tvzero(to)) {
- /* If we're due for a dialtone, play one */
- if (write(i->fd, DialTone + tonepos, 240) != 240) {
- ast_log(LOG_WARNING, "Dial tone write error\n");
- }
- }
- dotone++;
- }
- }
- }
- /* Okay, now that we know what to do, release the interface lock */
- ast_mutex_unlock(&iflock);
-
- /* Wait indefinitely for something to happen */
- if (dotone && i && i->mode != MODE_SIGMA) {
- /* If we're ready to recycle the time, set it to 30 ms */
- tonepos += 240;
- if (tonepos >= sizeof(DialTone)) {
- tonepos = 0;
- }
- if (ast_tvzero(to)) {
- to = ast_tv(0, 30000);
- }
- res = ast_poll2(fds, inuse_fds, &to);
- } else {
- res = ast_poll(fds, inuse_fds, -1);
- to = ast_tv(0, 0);
- tonepos = 0;
- }
- /* Okay, select has finished. Let's see what happened. */
- if (res < 0) {
- ast_debug(1, "poll returned %d: %s\n", res, strerror(errno));
- continue;
- }
- /* If there are no fd's changed, just continue, it's probably time
- to play some more dialtones */
- if (!res) {
- continue;
- }
- /* Alright, lock the interface list again, and let's look and see what has
- happened */
- if (ast_mutex_lock(&iflock)) {
- ast_log(LOG_WARNING, "Unable to lock the interface list\n");
- continue;
- }
-
- for (i = iflist; i; i = i->next) {
- int j;
- /* Find the record */
- for (j = 0; j < inuse_fds; j++) {
- if (fds[j].fd == i->fd) {
- break;
- }
- }
-
- /* Not found? */
- if (j == inuse_fds) {
- continue;
- }
-
- if (fds[j].revents & POLLIN) {
- if (i->owner) {
- continue;
- }
- phone_mini_packet(i);
- }
- if (fds[j].revents & POLLERR) {
- if (i->owner) {
- continue;
- }
- phone_check_exception(i);
- }
- }
- ast_mutex_unlock(&iflock);
- }
- return NULL;
-}
-
-static int restart_monitor()
-{
- /* 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) {
- if (ast_mutex_lock(&iflock)) {
- ast_mutex_unlock(&monlock);
- ast_log(LOG_WARNING, "Unable to lock the interface list\n");
- return -1;
- }
- monitor = 0;
- while (pthread_kill(monitor_thread, SIGURG) == 0)
- sched_yield();
- pthread_join(monitor_thread, NULL);
- ast_mutex_unlock(&iflock);
- }
- monitor = 1;
- /* 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 phone_pvt *mkif(const char *iface, int mode, int txgain, int rxgain)
-{
- /* Make a phone_pvt structure for this interface */
- struct phone_pvt *tmp;
-
- tmp = ast_calloc(1, sizeof(*tmp));
- if (tmp) {
- tmp->fd = open(iface, O_RDWR);
- if (tmp->fd < 0) {
- ast_log(LOG_WARNING, "Unable to open '%s'\n", iface);
- ast_free(tmp);
- return NULL;
- }
- if (mode == MODE_FXO) {
- if (ioctl(tmp->fd, IXJCTL_PORT, PORT_PSTN)) {
- ast_debug(1, "Unable to set port to PSTN\n");
- }
- } else {
- if (ioctl(tmp->fd, IXJCTL_PORT, PORT_POTS))
- if (mode != MODE_FXS)
- ast_debug(1, "Unable to set port to POTS\n");
- }
- ioctl(tmp->fd, PHONE_PLAY_STOP);
- ioctl(tmp->fd, PHONE_REC_STOP);
- ioctl(tmp->fd, PHONE_RING_STOP);
- ioctl(tmp->fd, PHONE_CPT_STOP);
- if (ioctl(tmp->fd, PHONE_PSTN_SET_STATE, PSTN_ON_HOOK))
- ast_debug(1, "ioctl(PHONE_PSTN_SET_STATE) failed on %s (%s)\n",iface, strerror(errno));
- if (echocancel != AEC_OFF)
- ioctl(tmp->fd, IXJCTL_AEC_START, echocancel);
- if (silencesupression)
- tmp->silencesupression = 1;
-#ifdef PHONE_VAD
- ioctl(tmp->fd, PHONE_VAD, tmp->silencesupression);
-#endif
- tmp->mode = mode;
- ast_fd_set_flags(tmp->fd, O_NONBLOCK);
- tmp->owner = NULL;
- ao2_cleanup(tmp->lastformat);
- tmp->lastformat = NULL;
- ao2_cleanup(tmp->lastinput);
- tmp->lastinput = NULL;
- tmp->ministate = 0;
- memset(tmp->ext, 0, sizeof(tmp->ext));
- ast_copy_string(tmp->language, language, sizeof(tmp->language));
- ast_copy_string(tmp->dev, iface, sizeof(tmp->dev));
- ast_copy_string(tmp->context, context, sizeof(tmp->context));
- tmp->next = NULL;
- tmp->obuflen = 0;
- tmp->dialtone = 0;
- tmp->cpt = 0;
- ast_copy_string(tmp->cid_num, cid_num, sizeof(tmp->cid_num));
- ast_copy_string(tmp->cid_name, cid_name, sizeof(tmp->cid_name));
- tmp->txgain = txgain;
- ioctl(tmp->fd, PHONE_PLAY_VOLUME, tmp->txgain);
- tmp->rxgain = rxgain;
- ioctl(tmp->fd, PHONE_REC_VOLUME, tmp->rxgain);
- }
- return tmp;
-}
-
-static struct ast_channel *phone_request(const char *type, struct ast_format_cap *cap, const struct ast_assigned_ids *assignedids, const struct ast_channel *requestor, const char *data, int *cause)
-{
- struct phone_pvt *p;
- struct ast_channel *tmp = NULL;
- const char *name = data;
-
- /* Search for an unowned channel */
- if (ast_mutex_lock(&iflock)) {
- ast_log(LOG_ERROR, "Unable to lock interface list???\n");
- return NULL;
- }
- p = iflist;
- while(p) {
- if (p->mode == MODE_FXS || (ast_format_cap_iscompatible(cap, phone_tech.capabilities))) {
- size_t length = strlen(p->dev + 5);
- if (strncmp(name, p->dev + 5, length) == 0 &&
- !isalnum(name[length])) {
- if (!p->owner) {
- tmp = phone_new(p, AST_STATE_DOWN, p->context, assignedids, requestor);
- break;
- } else
- *cause = AST_CAUSE_BUSY;
- }
- }
- p = p->next;
- }
- ast_mutex_unlock(&iflock);
- restart_monitor();
- if (tmp == NULL) {
- if (!(ast_format_cap_iscompatible(cap, phone_tech.capabilities))) {
- struct ast_str *codec_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, &codec_buf));
- return NULL;
- }
- }
- return tmp;
-}
-
-/* parse gain value from config file */
-static int parse_gain_value(const char *gain_type, const char *value)
-{
- float gain;
-
- /* try to scan number */
- if (sscanf(value, "%30f", &gain) != 1)
- {
- ast_log(LOG_ERROR, "Invalid %s value '%s' in '%s' config\n",
- value, gain_type, config);
- return DEFAULT_GAIN;
- }
-
- /* multiplicate gain by 1.0 gain value */
- gain = gain * (float)DEFAULT_GAIN;
-
- /* percentage? */
- if (value[strlen(value) - 1] == '%')
- return (int)(gain / (float)100);
-
- return (int)gain;
-}
-
-static int __unload_module(void)
-{
- struct phone_pvt *p, *pl;
- /* First, take us out of the channel loop */
- if (cur_tech)
- ast_channel_unregister(cur_tech);
- if (!ast_mutex_lock(&iflock)) {
- /* Hangup all interfaces if they have an owner */
- p = iflist;
- while(p) {
- if (p->owner)
- ast_softhangup(p->owner, AST_SOFTHANGUP_APPUNLOAD);
- p = p->next;
- }
- iflist = NULL;
- ast_mutex_unlock(&iflock);
- } else {
- ast_log(LOG_WARNING, "Unable to lock the monitor\n");
- return -1;
- }
- if (!ast_mutex_lock(&monlock)) {
- if (monitor_thread > AST_PTHREADT_NULL) {
- monitor = 0;
- while (pthread_kill(monitor_thread, SIGURG) == 0)
- sched_yield();
- 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");
- return -1;
- }
-
- if (!ast_mutex_lock(&iflock)) {
- /* Destroy all the interfaces and free their memory */
- p = iflist;
- while(p) {
- /* Close the socket, assuming it's real */
- if (p->fd > -1)
- close(p->fd);
- pl = p;
- p = p->next;
- /* Free associated memory */
- ast_free(pl);
- }
- iflist = NULL;
- ast_mutex_unlock(&iflock);
- } else {
- ast_log(LOG_WARNING, "Unable to lock the monitor\n");
- return -1;
- }
-
- ao2_ref(phone_tech.capabilities, -1);
- ao2_ref(phone_tech_fxs.capabilities, -1);
- ao2_ref(prefcap, -1);
-
- return 0;
-}
-
-static int unload_module(void)
-{
- return __unload_module();
-}
-
-static int load_module(void)
-{
- struct ast_config *cfg;
- struct ast_variable *v;
- struct phone_pvt *tmp;
- int mode = MODE_IMMEDIATE;
- int txgain = DEFAULT_GAIN, rxgain = DEFAULT_GAIN; /* default gain 1.0 */
- struct ast_flags config_flags = { 0 };
-
- if (!(phone_tech.capabilities = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_DEFAULT))) {
- return AST_MODULE_LOAD_DECLINE;
- }
-
- ast_format_cap_append(phone_tech.capabilities, ast_format_g723, 0);
- ast_format_cap_append(phone_tech.capabilities, ast_format_slin, 0);
- ast_format_cap_append(phone_tech.capabilities, ast_format_ulaw, 0);
- ast_format_cap_append(phone_tech.capabilities, ast_format_g729, 0);
-
- if (!(prefcap = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_DEFAULT))) {
- return AST_MODULE_LOAD_DECLINE;
- }
- ast_format_cap_append_from_cap(prefcap, phone_tech.capabilities, AST_MEDIA_TYPE_UNKNOWN);
- if (!(phone_tech_fxs.capabilities = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_DEFAULT))) {
- return AST_MODULE_LOAD_DECLINE;
- }
-
- if ((cfg = ast_config_load(config, config_flags)) == CONFIG_STATUS_FILEINVALID) {
- ast_log(LOG_ERROR, "Config file %s is in an invalid format. Aborting.\n", config);
- return AST_MODULE_LOAD_DECLINE;
- }
-
- /* We *must* have a config file otherwise stop immediately */
- if (!cfg) {
- ast_log(LOG_ERROR, "Unable to load config %s\n", config);
- return AST_MODULE_LOAD_DECLINE;
- }
- if (ast_mutex_lock(&iflock)) {
- /* It's a little silly to lock it, but we mind as well just to be sure */
- ast_log(LOG_ERROR, "Unable to lock interface list???\n");
- return AST_MODULE_LOAD_DECLINE;
- }
- v = ast_variable_browse(cfg, "interfaces");
- while(v) {
- /* Create the interface list */
- if (!strcasecmp(v->name, "device")) {
- tmp = mkif(v->value, mode, txgain, rxgain);
- if (tmp) {
- tmp->next = iflist;
- iflist = tmp;
-
- } else {
- ast_log(LOG_ERROR, "Unable to register channel '%s'\n", v->value);
- ast_config_destroy(cfg);
- ast_mutex_unlock(&iflock);
- __unload_module();
- return AST_MODULE_LOAD_DECLINE;
- }
- } else if (!strcasecmp(v->name, "silencesupression")) {
- silencesupression = ast_true(v->value);
- } else if (!strcasecmp(v->name, "language")) {
- ast_copy_string(language, v->value, sizeof(language));
- } else if (!strcasecmp(v->name, "callerid")) {
- ast_callerid_split(v->value, cid_name, sizeof(cid_name), cid_num, sizeof(cid_num));
- } else if (!strcasecmp(v->name, "mode")) {
- if (!strncasecmp(v->value, "di", 2))
- mode = MODE_DIALTONE;
- else if (!strncasecmp(v->value, "sig", 3))
- mode = MODE_SIGMA;
- else if (!strncasecmp(v->value, "im", 2))
- mode = MODE_IMMEDIATE;
- else if (!strncasecmp(v->value, "fxs", 3)) {
- mode = MODE_FXS;
- ast_format_cap_remove_by_type(prefcap, AST_MEDIA_TYPE_AUDIO); /* All non-voice */
- }
- else if (!strncasecmp(v->value, "fx", 2))
- mode = MODE_FXO;
- else
- ast_log(LOG_WARNING, "Unknown mode: %s\n", v->value);
- } else if (!strcasecmp(v->name, "context")) {
- ast_copy_string(context, v->value, sizeof(context));
- } else if (!strcasecmp(v->name, "format")) {
- if (!strcasecmp(v->value, "g729")) {
- ast_format_cap_remove_by_type(prefcap, AST_MEDIA_TYPE_UNKNOWN);
- ast_format_cap_append(prefcap, ast_format_g729, 0);
- } else if (!strcasecmp(v->value, "g723.1")) {
- ast_format_cap_remove_by_type(prefcap, AST_MEDIA_TYPE_UNKNOWN);
- ast_format_cap_append(prefcap, ast_format_g723, 0);
- } else if (!strcasecmp(v->value, "slinear")) {
- if (mode == MODE_FXS) {
- ast_format_cap_append(prefcap, ast_format_slin, 0);
- } else {
- ast_format_cap_remove_by_type(prefcap, AST_MEDIA_TYPE_UNKNOWN);
- ast_format_cap_append(prefcap, ast_format_slin, 0);
- }
- } else if (!strcasecmp(v->value, "ulaw")) {
- ast_format_cap_remove_by_type(prefcap, AST_MEDIA_TYPE_UNKNOWN);
- ast_format_cap_append(prefcap, ast_format_ulaw, 0);
- } else
- ast_log(LOG_WARNING, "Unknown format '%s'\n", v->value);
- } else if (!strcasecmp(v->name, "echocancel")) {
- if (!strcasecmp(v->value, "off")) {
- echocancel = AEC_OFF;
- } else if (!strcasecmp(v->value, "low")) {
- echocancel = AEC_LOW;
- } else if (!strcasecmp(v->value, "medium")) {
- echocancel = AEC_MED;
- } else if (!strcasecmp(v->value, "high")) {
- echocancel = AEC_HIGH;
- } else
- ast_log(LOG_WARNING, "Unknown echo cancellation '%s'\n", v->value);
- } else if (!strcasecmp(v->name, "txgain")) {
- txgain = parse_gain_value(v->name, v->value);
- } else if (!strcasecmp(v->name, "rxgain")) {
- rxgain = parse_gain_value(v->name, v->value);
- }
- v = v->next;
- }
- ast_mutex_unlock(&iflock);
-
- if (mode == MODE_FXS) {
- ast_format_cap_append_from_cap(phone_tech_fxs.capabilities, prefcap, AST_MEDIA_TYPE_UNKNOWN);
- cur_tech = &phone_tech_fxs;
- } else
- cur_tech = (struct ast_channel_tech *) &phone_tech;
-
- /* Make sure we can register our Adtranphone channel type */
-
- if (ast_channel_register(cur_tech)) {
- ast_log(LOG_ERROR, "Unable to register channel class 'Phone'\n");
- ast_config_destroy(cfg);
- __unload_module();
- return AST_MODULE_LOAD_DECLINE;
- }
- ast_config_destroy(cfg);
- /* And start the monitor for the first time */
- restart_monitor();
- return AST_MODULE_LOAD_SUCCESS;
-}
-
-AST_MODULE_INFO_STANDARD_DEPRECATED(ASTERISK_GPL_KEY, "Linux Telephony API Support");
projects / thirdparty / asterisk.git / commitdiff
