#include "switch.h"
#include "g711.h"
-#include <sng_tc/sng_tc.h>
-
-#ifdef __linux__
-/* for ethernet device query */
-#include <sys/ioctl.h>
-#include <net/if.h>
-#include <arpa/inet.h>
-#include <errno.h>
-#endif
+#include <sng_tc/sngtc_node.h>
SWITCH_MODULE_LOAD_FUNCTION(mod_sangoma_codec_load);
SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_sangoma_codec_shutdown);
#define SANGOMA_DEFAULT_SAMPLING_RATE 80
#define SANGOMA_TRANSCODE_CONFIG "sangoma_codec.conf"
-#define SANGOMA_DEFAULT_UDP_PORT 15000
-#define SANGOMA_MIN_UDP_PORT 0
-#define SANGOMA_MAX_UDP_PORT 65535
-
/* \brief vocallos configuration */
static sngtc_init_cfg_t g_init_cfg;
-static char g_vocallo_names[SNGTC_MAX_HOST_VOCALLO_NIC][255];
+
+/* configured RTP IP */
+static int g_rtpip = 0;
/* \brief protect vocallo session creation and destroy */
static switch_mutex_t *g_sessions_lock = NULL;
return NULL;
}
-static int sangoma_create_rtp(void *usr_priv, sngtc_codec_request_leg_t *codec_reg_leg, sngtc_codec_reply_leg_t* codec_reply_leg, void **rtp_fd)
+static int sangoma_create_rtp_port(void *usr_priv, uint32_t host_ip, uint32_t *p_rtp_port, void **rtp_fd)
{
- switch_rtp_t *rtp_session = NULL;
- switch_port_t rtp_port;
- char codec_ip[255];
- char local_ip[255];
- switch_rtp_flag_t flags = 0;
- int iana = 0;
- const char *err = NULL;
- struct sangoma_transcoding_session *sess = usr_priv;
struct in_addr local_ip_addr = { 0 };
+ char local_ip[255];
+ switch_port_t rtp_port;
- local_ip_addr.s_addr = htonl(codec_reply_leg->host_ip);
+ local_ip_addr.s_addr = htonl(host_ip);
switch_inet_ntop(AF_INET, &local_ip_addr, local_ip, sizeof(local_ip));
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to allocate RTP port for IP %s\n", local_ip);
return -1;
}
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Allocated port %d for IP %s\n", rtp_port, local_ip);
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "New allocated port %d for IP %s/%d.%d.%d.%d\n", rtp_port, local_ip,
+ SNGTC_NIPV4(host_ip));
+ *p_rtp_port = rtp_port;
+ *rtp_fd = (void *)(long)rtp_port;
+ return 0;
+}
+
+static int sangoma_create_rtp(void *usr_priv, sngtc_codec_request_leg_t *codec_req_leg, sngtc_codec_reply_leg_t* codec_reply_leg, void **rtp_fd)
+{
+ switch_rtp_t *rtp_session = NULL;
+ char codec_ip[255];
+ switch_rtp_flag_t flags = 0;
+ int iana = 0;
+ const char *err = NULL;
+ struct in_addr local_ip_addr = { 0 };
+ char local_ip[255];
+ switch_port_t rtp_port;
+ struct sangoma_transcoding_session *sess = usr_priv;
+
+ rtp_port = (switch_port_t)(long)*rtp_fd;
- codec_reg_leg->host_udp_port = rtp_port;
+ codec_req_leg->host_udp_port = rtp_port;
+ local_ip_addr.s_addr = htonl(codec_req_leg->host_ip);
+ switch_inet_ntop(AF_INET, &local_ip_addr, local_ip, sizeof(local_ip));
sngtc_codec_ipv4_hex_to_str(codec_reply_leg->codec_ip, codec_ip);
- iana = codec_id_to_iana(codec_reg_leg->codec_id);
+ iana = codec_id_to_iana(codec_req_leg->codec_id);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Creating RTP session for host (%s/%d) vocallo(%s/%d) Iana=%d ms=%d idx=%lu\n",
local_ip, rtp_port, codec_ip, codec_reply_leg->codec_udp_port, iana,
- codec_reg_leg->ms*1000, sess->sessid);
+ codec_req_leg->ms*1000, sess->sessid);
/* create the RTP socket, dont use the session pool since the session may go away while the RTP socket should linger around
* until sangoma_transcode decides to kill it (possibly because the same RTP session is used for a different call) */
codec_ip, codec_reply_leg->codec_udp_port,
iana,
sess->impl->samples_per_packet,
- codec_reg_leg->ms*1000, /* microseconds per packet */
+ codec_req_leg->ms * 1000, /* microseconds per packet */
flags, NULL, &err, g_pool);
if (!rtp_session) {
if (encoding) {
sess->encoder.request.usr_priv = sess;
+ sess->encoder.request.a.host_ip = g_rtpip;
sess->encoder.request.a.codec_id = SNGTC_CODEC_PCMU;
- sess->encoder.request.a.ms = 0; /*codec->implementation->microseconds_per_packet/1000;*/
+ sess->encoder.request.a.ms = codec->implementation->microseconds_per_packet/1000;
+ sess->encoder.request.b.host_ip = g_rtpip;
sess->encoder.request.b.codec_id = vcodec->codec_id;
- sess->encoder.request.b.ms = 0; /*codec->implementation->microseconds_per_packet/1000;*/
+ sess->encoder.request.b.ms = codec->implementation->microseconds_per_packet/1000;
}
if (decoding) {
sess->decoder.request.usr_priv = sess;
+ sess->decoder.request.a.host_ip = g_rtpip;
sess->decoder.request.a.codec_id = vcodec->codec_id;
- sess->decoder.request.a.ms = 0; /*codec->implementation->microseconds_per_packet/1000;*/
+ sess->decoder.request.a.ms = codec->implementation->microseconds_per_packet/1000;
+ sess->decoder.request.b.host_ip = g_rtpip;
sess->decoder.request.b.codec_id = SNGTC_CODEC_PCMU;
- sess->decoder.request.b.ms = 0; /*codec->implementation->microseconds_per_packet/1000;*/
+ sess->decoder.request.b.ms = codec->implementation->microseconds_per_packet/1000;
}
switch_mutex_lock(g_sessions_lock);
- if (sess->encoder.reply.codec_rtp_session) {
- sngtc_destroy_transcoding_session(sess->encoder.reply.codec_rtp_session);
+ if (sess->encoder.txrtp) {
+ sngtc_free_transcoding_session(&sess->encoder.reply);
}
- if (sess->decoder.reply.codec_rtp_session) {
- sngtc_destroy_transcoding_session(sess->decoder.reply.codec_rtp_session);
+ if (sess->decoder.txrtp) {
+ sngtc_free_transcoding_session(&sess->decoder.reply);
}
switch_core_hash_delete(g_sessions_hash, sess->hashkey);
if (!strcasecmp(argv[0], "settings")) {
char addrbuff[50];
int addr;
- int i;
- for (i = 0; i < g_init_cfg.host_nic_vocallo_sz; i++) {
- stream->write_function(stream, "Vocallo %s:\n", g_vocallo_names[i]);
-
- addr = htonl(g_init_cfg.host_nic_vocallo_cfg[i].host_ip);
- stream->write_function(stream, "\tIP Address: %s\n",
- switch_inet_ntop(AF_INET, &addr, addrbuff, sizeof(addrbuff)));
-
- addr = htonl(g_init_cfg.host_nic_vocallo_cfg[i].host_ip_netmask);
- stream->write_function(stream, "\tNetmask: %s\n",
- switch_inet_ntop(AF_INET, &addr, addrbuff, sizeof(addrbuff)));
-
- addr = htonl(g_init_cfg.host_nic_vocallo_cfg[i].vocallo_ip);
- stream->write_function(stream, "\tVocallo Base IP: %s\n",
- switch_inet_ntop(AF_INET, &addr, addrbuff, sizeof(addrbuff)));
-
- stream->write_function(stream, "\tVocallo Base UDP: %d\n\n", g_init_cfg.host_nic_vocallo_cfg[i].vocallo_base_udp_port);
- }
+ addr = htonl(g_rtpip);
+ stream->write_function(stream, "\tRTP IP Address: %s\n",
+ switch_inet_ntop(AF_INET, &addr, addrbuff, sizeof(addrbuff)));
} else if (!strcasecmp(argv[0], "sessions")) {
/* iterate over sessions hash */
switch_hash_index_t *hi;
return 0;
}
-static int load_nic_network_information(const char *nic, sngtc_host_nic_vocallo_cfg_t *cfg)
-{
-#ifdef __linux__
- struct ifreq ifr;
- int sock;
- char *mac;
- int j = 0, k = 0, ret = 0;
-
- sock = socket(PF_INET, SOCK_STREAM, 0);
- if (-1 == sock) {
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR,
- "Failed to create socket to query network configuration for NIC %s: %s\n", nic, strerror(errno));
- return -1;
- }
-
- strncpy(ifr.ifr_name, nic, sizeof(ifr.ifr_name)-1);
- ifr.ifr_name[sizeof(ifr.ifr_name)-1] = '\0';
-
- if (-1 == ioctl(sock, SIOCGIFADDR, &ifr)) {
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to query IP address for NIC %s: %s\n", nic, strerror(errno));
- ret = -1;
- goto done;
- }
- cfg->host_ip = ntohl(((struct sockaddr_in *)&ifr.ifr_addr)->sin_addr.s_addr);
-
- if (-1 == ioctl(sock, SIOCGIFNETMASK, &ifr)) {
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to query network address for NIC %s: %s\n", nic, strerror(errno));
- ret = -1;
- goto done;
- }
- cfg->host_ip_netmask = ntohl(((struct sockaddr_in *)&ifr.ifr_netmask)->sin_addr.s_addr);
-
- if (-1 == ioctl(sock, SIOCGIFHWADDR, &ifr)) {
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to query HW address for NIC %s: %s\n", nic, strerror(errno));
- ret = -1;
- goto done;
- }
-
- mac = cfg->host_mac.mac_str;
- for (j = 0, k = 0; j < 6; j++) {
- k += snprintf(mac + k, sizeof(cfg->host_mac.mac_str) - k, j ? "-%02X" : "%02X",
- (int)(unsigned int)(unsigned char)ifr.ifr_hwaddr.sa_data[j]);
- }
- mac[sizeof(cfg->host_mac.mac_str)-1] = '\0';
-
-done:
- close(sock);
- return ret;
-#else
- return 0;
-#endif
-}
-
static int sangoma_parse_config(void)
{
- switch_xml_t cfg, settings, param, vocallos, xml, vocallo;
- struct in_addr vocallo_base_ip;
- char ipbuff[50];
- char netbuff[50];
- int host_ipaddr = 0;
- int host_netmaskaddr = 0;
- int vidx = 0;
- int baseudp = 0;
+ switch_xml_t cfg, settings, param, xml;
+ struct in_addr rtpaddr;
+ char localip[255];
+ int mask = 0;
+ int rc = 0;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Reading sangoma codec configuration\n");
if (!(xml = switch_xml_open_cfg(SANGOMA_TRANSCODE_CONFIG, &cfg, NULL))) {
memset(&g_init_cfg, 0, sizeof(g_init_cfg));
if ((settings = switch_xml_child(cfg, "settings"))) {
- /* nothing here yet */
for (param = switch_xml_child(settings, "param"); param; param = param->next) {
char *var = (char *)switch_xml_attr_soft(param, "name");
char *val = (char *)switch_xml_attr_soft(param, "value");
} else if (!strcasecmp(var, "noregister")) {
strncpy(g_codec_noregister_list, val, sizeof(g_codec_noregister_list)-1);
g_codec_noregister_list[sizeof(g_codec_noregister_list)-1] = 0;
+ } else if (!strcasecmp(var, "rtpip")) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Found Sangoma RTP IP %s\n", val);
+ if (switch_inet_pton(AF_INET, val, &rtpaddr) <= 0) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Invalid Sangoma RTP IP %s\n", val);
+ break;
+ }
+ g_rtpip = ntohl(rtpaddr.s_addr);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Ignored unknown Sangoma codec setting %s\n", var);
}
}
}
- if ((vocallos = switch_xml_child(cfg, "vocallos"))) {
- for (vocallo = switch_xml_child(vocallos, "vocallo"); vocallo; vocallo = vocallo->next) {
- const char *name = switch_xml_attr(vocallo, "name");
- if (!name) {
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Sangoma vocallo found with no name= attribute, ignoring!\n");
- continue;
- }
-
- if (load_nic_network_information(name, &g_init_cfg.host_nic_vocallo_cfg[vidx])) {
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING,
- "Ignoring vocallo %s, failed to retrieve its network configuration\n", name);
- continue;
- }
-
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Configuring vocallo %s\n", name);
-
- g_init_cfg.host_nic_vocallo_cfg[vidx].vocallo_base_udp_port = SANGOMA_DEFAULT_UDP_PORT;
- g_init_cfg.host_nic_vocallo_cfg[vidx].silence_suppression = 0;
- for (param = switch_xml_child(vocallo, "param"); param; param = param->next) {
- char *var = (char *)switch_xml_attr_soft(param, "name");
- char *val = (char *)switch_xml_attr_soft(param, "value");
-
- /* starting UDP port to be used by the vocallo modules */
- if (!strcasecmp(var, "baseudp")) {
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Found Sangoma codec base udp port %s\n", val);
- baseudp = atoi(val);
- if (baseudp < SANGOMA_MIN_UDP_PORT || baseudp > SANGOMA_MAX_UDP_PORT) {
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING,
- "Invalid Sangoma codec base udp port %s, using default %d\n",
- val, SANGOMA_DEFAULT_UDP_PORT);
- break;
- }
- g_init_cfg.host_nic_vocallo_cfg[vidx].vocallo_base_udp_port = baseudp;
- }
- else if (!strcasecmp(var, "vocalloaddr")) {
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Found Sangoma codec vocallo addr %s\n", val);
- if (switch_inet_pton(AF_INET, val, &vocallo_base_ip) <= 0) {
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Invalid Sangoma codec vocallo addr %s\n", val);
- break;
- }
- g_init_cfg.host_nic_vocallo_cfg[vidx].vocallo_ip = ntohl(vocallo_base_ip.s_addr);
- } else if (!strcasecmp(var, "silence")) {
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Found Sangoma codec silence setting %s\n", val);
- g_init_cfg.host_nic_vocallo_cfg[vidx].silence_suppression = switch_true(val) ? 1 : 0;
- } else {
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Ignored unknown Sangoma vocallo setting %s\n", var);
- }
- }
-
- if (!g_init_cfg.host_nic_vocallo_cfg[vidx].vocallo_ip) {
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Ignoring vocallo %s, no valid address was configured\n", name);
- continue;
- }
- host_ipaddr = htonl(g_init_cfg.host_nic_vocallo_cfg[vidx].host_ip);
- host_netmaskaddr = htonl(g_init_cfg.host_nic_vocallo_cfg[vidx].host_ip_netmask);
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE,
- "Configured Sangoma transcoding interface %s, IP address %s, netmask %s\n",
- name,
- switch_inet_ntop(AF_INET, &host_ipaddr, ipbuff, sizeof(ipbuff)),
- switch_inet_ntop(AF_INET, &host_netmaskaddr, netbuff, sizeof(netbuff)));
- strncpy(g_vocallo_names[vidx], name, sizeof(g_vocallo_names[vidx])-1);
- g_vocallo_names[vidx][sizeof(g_vocallo_names[vidx])-1] = 0;
- vidx++;
+ if (!g_rtpip) {
+ if (SWITCH_STATUS_SUCCESS != switch_find_local_ip(localip, sizeof(localip), &mask, AF_INET)) {
+ rc = -1;
+ goto done;
}
- } else {
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "No <vocallos> section found in configuration file %s\n", SANGOMA_TRANSCODE_CONFIG);
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "No RTP IP specified, using %s\n", localip);
+ switch_inet_pton(AF_INET, localip, &rtpaddr);
+ g_rtpip = ntohl(rtpaddr.s_addr);
}
+done:
switch_xml_free(xml);
- if (!vidx) {
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR,
- "No vocallos were configured, make sure there is at least one <vocallo> in %s.\n", SANGOMA_TRANSCODE_CONFIG);
- }
-
- g_init_cfg.host_nic_vocallo_sz = vidx;
+ g_init_cfg.host_nic_vocallo_sz = 0;
- return 0;
+ return rc;
}
SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_sangoma_codec_shutdown)
g_init_cfg.log = sangoma_logger;
g_init_cfg.create_rtp = sangoma_create_rtp;
+ g_init_cfg.create_rtp_port = sangoma_create_rtp_port;
g_init_cfg.destroy_rtp = sangoma_destroy_rtp;
-#ifdef __linux__
- if (geteuid() != 0) {
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "This module needs to be run as root to create raw sockets\n");
- return SWITCH_STATUS_FALSE;
- }
-#endif
-
if (sngtc_detect_init_modules(&g_init_cfg, &detected)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to detect vocallo modules\n");
return SWITCH_STATUS_FALSE;