#include "mod_sofia.h" void sofia_glue_set_local_sdp(private_object_t *tech_pvt, char *ip, uint32_t port, char *sr, int force) { char buf[2048]; switch_time_t now = switch_time_now(); int ptime = 0; int rate = 0; if (!force && !ip && !sr && switch_test_flag(tech_pvt, TFLAG_NOMEDIA)) { return; } if (!ip) { if (!(ip = tech_pvt->adv_sdp_audio_ip)) { ip = tech_pvt->proxy_sdp_audio_ip; } } if (!port) { if (!(port = tech_pvt->adv_sdp_audio_port)) { port = tech_pvt->proxy_sdp_audio_port; } } if (!sr) { sr = "sendrecv"; } snprintf(buf, sizeof(buf), "v=0\n" "o=FreeSWITCH %d%" SWITCH_TIME_T_FMT " %d%" SWITCH_TIME_T_FMT " IN IP4 %s\n" "s=FreeSWITCH\n" "c=IN IP4 %s\n" "t=0 0\n" "a=%s\n" "m=audio %d RTP/AVP", port, now, port, now, ip, ip, sr, port); if (tech_pvt->rm_encoding) { snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " %d", tech_pvt->pt); } else if (tech_pvt->num_codecs) { int i; for (i = 0; i < tech_pvt->num_codecs; i++) { const switch_codec_implementation_t *imp = tech_pvt->codecs[i]; snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " %d", imp->ianacode); if (!ptime) { ptime = imp->microseconds_per_frame / 1000; } } } if (tech_pvt->te > 95) { snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " %d", tech_pvt->te); } if (tech_pvt->cng_pt) { snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " %d", tech_pvt->cng_pt); } snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "\n"); if (tech_pvt->rm_encoding) { rate = tech_pvt->rm_rate; snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "a=rtpmap:%d %s/%ld\n", tech_pvt->pt, tech_pvt->rm_encoding, tech_pvt->rm_rate); if (tech_pvt->fmtp_out) { snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "a=fmtp:%d %s\n", tech_pvt->pt, tech_pvt->fmtp_out); } if (tech_pvt->read_codec.implementation && !ptime) { ptime = tech_pvt->read_codec.implementation->microseconds_per_frame / 1000; } } else if (tech_pvt->num_codecs) { int i; for (i = 0; i < tech_pvt->num_codecs; i++) { const switch_codec_implementation_t *imp = tech_pvt->codecs[i]; uint32_t rfc_3551_sucks = imp->samples_per_second; if (!rate) { rate = imp->samples_per_second; } if (ptime && ptime != imp->microseconds_per_frame / 1000) { switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "ptime %u != advertised ptime %u\n", imp->microseconds_per_frame / 1000, ptime); } if (rfc_3551_sucks && imp->ianacode == 9) { rfc_3551_sucks = 8000; } snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "a=rtpmap:%d %s/%d\n", imp->ianacode, imp->iananame, rfc_3551_sucks); if (imp->fmtp) { snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "a=fmtp:%d %s\n", imp->ianacode, imp->fmtp); } } } if (tech_pvt->te > 95) { snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "a=rtpmap:%d telephone-event/8000\na=fmtp:%d 0-16\n", tech_pvt->te, tech_pvt->te); } if (tech_pvt->cng_pt) { snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "a=rtpmap:%d CN/%d\n", tech_pvt->cng_pt, rate); if (!tech_pvt->rm_encoding) { tech_pvt->cng_pt = 0; } } if (ptime) { snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "a=ptime:%d\n", ptime); } tech_pvt->local_sdp_str = switch_core_session_strdup(tech_pvt->session, buf); } void sofia_glue_sofia_glue_tech_set_codecs(private_object_t * tech_pvt) { switch_channel_t *channel; char *abs, *codec_string = NULL; char *ocodec = NULL; if (switch_test_flag(tech_pvt, TFLAG_NOMEDIA)) { return; } if (tech_pvt->num_codecs) { return; } assert(tech_pvt->session != NULL); channel = switch_core_session_get_channel(tech_pvt->session); assert(channel != NULL); if ((abs = switch_channel_get_variable(channel, "absolute_codec_string"))) { codec_string = abs; } else { if (!(codec_string = switch_channel_get_variable(channel, "codec_string"))) { if (tech_pvt->profile->codec_string) { codec_string = tech_pvt->profile->codec_string; } } if ((ocodec = switch_channel_get_variable(channel, SWITCH_ORIGINATOR_CODEC_VARIABLE))) { if (!codec_string || (tech_pvt->profile->pflags & PFLAG_DISABLE_TRANSCODING)) { codec_string = ocodec; } else { if (!(codec_string = switch_core_session_sprintf(tech_pvt->session, "%s,%s", ocodec, codec_string))) { codec_string = ocodec; } } } } if (codec_string) { char *tmp_codec_string; if ((tmp_codec_string = switch_core_session_strdup(tech_pvt->session, codec_string))) { tech_pvt->codec_order_last = switch_separate_string(tmp_codec_string, ',', tech_pvt->codec_order, SWITCH_MAX_CODECS); tech_pvt->num_codecs = switch_loadable_module_get_codecs_sorted(tech_pvt->codecs, SWITCH_MAX_CODECS, tech_pvt->codec_order, tech_pvt->codec_order_last); } } else { tech_pvt->num_codecs = switch_loadable_module_get_codecs(switch_core_session_get_pool(tech_pvt->session), tech_pvt->codecs, sizeof(tech_pvt->codecs) / sizeof(tech_pvt->codecs[0])); } } void sofia_glue_attach_private(switch_core_session_t *session, sofia_profile_t * profile, private_object_t * tech_pvt, const char *channame) { switch_channel_t *channel; char name[256]; assert(session != NULL); assert(profile != NULL); assert(tech_pvt != NULL); switch_core_session_add_stream(session, NULL); channel = switch_core_session_get_channel(session); //switch_channel_set_flag(channel, CF_ACCEPT_CNG); switch_mutex_init(&tech_pvt->flag_mutex, SWITCH_MUTEX_NESTED, switch_core_session_get_pool(session)); switch_mutex_lock(tech_pvt->flag_mutex); tech_pvt->flags = profile->flags; switch_mutex_unlock(tech_pvt->flag_mutex); tech_pvt->profile = profile; if (tech_pvt->bte) { tech_pvt->te = tech_pvt->bte; } else if (!tech_pvt->te) { tech_pvt->te = profile->te; } if (tech_pvt->bcng_pt) { tech_pvt->cng_pt = tech_pvt->bcng_pt; } else if (!tech_pvt->cng_pt) { tech_pvt->cng_pt = profile->cng_pt; } tech_pvt->session = session; tech_pvt->home = su_home_new(sizeof(*tech_pvt->home)); switch_core_session_set_private(session, tech_pvt); snprintf(name, sizeof(name), "sofia/%s/%s", profile->name, channame); switch_channel_set_name(channel, name); //sofia_glue_sofia_glue_tech_set_codecs(tech_pvt); } void sofia_glue_terminate_session(switch_core_session_t **session, switch_call_cause_t cause, int line) { switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Term called from line: %d\n", line); if (*session) { switch_channel_t *channel = switch_core_session_get_channel(*session); struct private_object *tech_pvt = NULL; unsigned running = switch_core_session_running(*session); tech_pvt = switch_core_session_get_private(*session); if (running) { switch_channel_hangup(channel, cause); } else { if (tech_pvt) { sofia_on_hangup(*session); } if (session && *session) { switch_core_session_destroy(session); } } } } switch_status_t sofia_glue_ext_address_lookup(char **ip, switch_port_t *port, char *sourceip, switch_memory_pool_t *pool) { char *error; if (!sourceip) { return SWITCH_STATUS_FALSE; } if (!strncasecmp(sourceip, "stun:", 5)) { char *stun_ip = sourceip + 5; if (!stun_ip) { switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Stun Failed! NO STUN SERVER\n"); return SWITCH_STATUS_FALSE; } if (switch_stun_lookup(ip, port, stun_ip, SWITCH_STUN_DEFAULT_PORT, &error, pool) != SWITCH_STATUS_SUCCESS) { switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Stun Failed! %s:%d [%s]\n", stun_ip, SWITCH_STUN_DEFAULT_PORT, error); return SWITCH_STATUS_FALSE; } switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Stun Success [%s]:[%d]\n", *ip, *port); } else { *ip = sourceip; } return SWITCH_STATUS_SUCCESS; } switch_status_t sofia_glue_tech_choose_port(private_object_t * tech_pvt) { char *ip = tech_pvt->profile->rtpip; switch_channel_t *channel; switch_port_t sdp_port; char tmp[50]; channel = switch_core_session_get_channel(tech_pvt->session); if (switch_test_flag(tech_pvt, TFLAG_NOMEDIA) || tech_pvt->adv_sdp_audio_port) { return SWITCH_STATUS_SUCCESS; } tech_pvt->local_sdp_audio_ip = ip; tech_pvt->local_sdp_audio_port = switch_rtp_request_port(); sdp_port = tech_pvt->local_sdp_audio_port; if (tech_pvt->profile->extrtpip) { if (sofia_glue_ext_address_lookup(&ip, &sdp_port, tech_pvt->profile->extrtpip, switch_core_session_get_pool(tech_pvt->session)) != SWITCH_STATUS_SUCCESS) { sofia_glue_terminate_session(&tech_pvt->session, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER, __LINE__); return SWITCH_STATUS_FALSE; } } tech_pvt->adv_sdp_audio_ip = switch_core_session_strdup(tech_pvt->session, ip); tech_pvt->adv_sdp_audio_port = sdp_port; snprintf(tmp, sizeof(tmp), "%d", sdp_port); switch_channel_set_variable(channel, SWITCH_LOCAL_MEDIA_IP_VARIABLE, tech_pvt->adv_sdp_audio_ip); switch_channel_set_variable(channel, SWITCH_LOCAL_MEDIA_PORT_VARIABLE, tmp); return SWITCH_STATUS_SUCCESS; } switch_status_t sofia_glue_do_invite(switch_core_session_t *session) { char rpid[1024] = { 0 }; char alert_info[1024] = { 0 }; char max_forwards[8] = { 0 }; char *alertbuf; char *forwardbuf; int forwardval; private_object_t *tech_pvt; switch_channel_t *channel = NULL; switch_caller_profile_t *caller_profile; char *cid_name, *cid_num; char *e_dest = NULL; const char *holdstr = ""; switch_stream_handle_t stream = { 0 }; switch_hash_index_t *hi; void *vval; char *extra_headers = NULL; const void *vvar; switch_status_t status = SWITCH_STATUS_FALSE; char *rep; channel = switch_core_session_get_channel(session); assert(channel != NULL); rep = switch_channel_get_variable(channel, SOFIA_REPLACES_HEADER); tech_pvt = (private_object_t *) switch_core_session_get_private(session); assert(tech_pvt != NULL); caller_profile = switch_channel_get_caller_profile(channel); cid_name = (char *) caller_profile->caller_id_name; cid_num = (char *) caller_profile->caller_id_number; sofia_glue_sofia_glue_tech_set_codecs(tech_pvt); if (!tech_pvt->from_str) { tech_pvt->from_str = switch_core_session_sprintf(tech_pvt->session, "\"%s\" ", cid_name, cid_num, tech_pvt->profile->extsipip ? tech_pvt->profile->extsipip : tech_pvt->profile->sipip); } if (!tech_pvt->from_str) { switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Memory Error!\n"); return SWITCH_STATUS_FALSE; } if ((alertbuf = switch_channel_get_variable(channel, "alert_info"))) { snprintf(alert_info, sizeof(alert_info) - 1, "Alert-Info: %s", alertbuf); } if ((forwardbuf = switch_channel_get_variable(channel, SWITCH_MAX_FORWARDS_VARIABLE))) { forwardval = atoi(forwardbuf) - 1; snprintf(max_forwards, sizeof(max_forwards) - 1, "%d", forwardval); } if (sofia_glue_tech_choose_port(tech_pvt) != SWITCH_STATUS_SUCCESS) { return status; } sofia_glue_set_local_sdp(tech_pvt, NULL, 0, NULL, 0); switch_set_flag_locked(tech_pvt, TFLAG_READY); // forge a RPID for now KHR -- Should wrap this in an if statement so it can be turned on and off if (switch_test_flag(caller_profile, SWITCH_CPF_SCREEN)) { const char *priv = "off"; const char *screen = "no"; if (switch_test_flag(caller_profile, SWITCH_CPF_HIDE_NAME)) { priv = "name"; if (switch_test_flag(caller_profile, SWITCH_CPF_HIDE_NUMBER)) { priv = "yes"; } } else if (switch_test_flag(caller_profile, SWITCH_CPF_HIDE_NUMBER)) { priv = "yes"; } if (switch_test_flag(caller_profile, SWITCH_CPF_SCREEN)) { screen = "yes"; } snprintf(rpid, sizeof(rpid) - 1, "Remote-Party-ID: %s;party=calling;screen=%s;privacy=%s", tech_pvt->from_str, screen, priv); } if (!tech_pvt->nh) { char *url = sofia_glue_get_url_from_contact(tech_pvt->dest, 1); tech_pvt->nh = nua_handle(tech_pvt->profile->nua, NULL, NUTAG_URL(url), SIPTAG_TO_STR(tech_pvt->dest_to), SIPTAG_FROM_STR(tech_pvt->from_str), SIPTAG_CONTACT_STR(tech_pvt->profile->url), TAG_END()); switch_safe_free(url); if (!(tech_pvt->sofia_private = malloc(sizeof(*tech_pvt->sofia_private)))) { abort(); } memset(tech_pvt->sofia_private, 0, sizeof(*tech_pvt->sofia_private)); switch_copy_string(tech_pvt->sofia_private->uuid, switch_core_session_get_uuid(session), sizeof(tech_pvt->sofia_private->uuid)); nua_handle_bind(tech_pvt->nh, tech_pvt->sofia_private); } if (tech_pvt->e_dest && (e_dest = strdup(tech_pvt->e_dest))) { char *user = e_dest, *host = NULL; char hash_key[256] = ""; if ((host = strchr(user, '@'))) { *host++ = '\0'; } snprintf(hash_key, sizeof(hash_key), "%s%s%s", user, host, cid_num); tech_pvt->chat_from = tech_pvt->from_str; tech_pvt->chat_to = tech_pvt->dest; tech_pvt->hash_key = switch_core_session_strdup(tech_pvt->session, hash_key); switch_core_hash_insert(tech_pvt->profile->chat_hash, tech_pvt->hash_key, tech_pvt); free(e_dest); } holdstr = switch_test_flag(tech_pvt, TFLAG_SIP_HOLD) ? "*" : ""; SWITCH_STANDARD_STREAM(stream); for (hi = switch_channel_variable_first(channel, switch_core_session_get_pool(tech_pvt->session)); hi; hi = switch_hash_next(hi)) { switch_hash_this(hi, &vvar, NULL, &vval); if (vvar && vval) { const char *name = vvar; char *value = (char *) vval; if (!strncasecmp(name, SOFIA_SIP_HEADER_PREFIX, strlen(SOFIA_SIP_HEADER_PREFIX))) { const char *hname = name + strlen(SOFIA_SIP_HEADER_PREFIX); stream.write_function(&stream, "%s: %s\r\n", hname, value); } } } if (stream.data) { extra_headers = stream.data; } nua_invite(tech_pvt->nh, TAG_IF(!switch_strlen_zero(rpid), SIPTAG_HEADER_STR(rpid)), TAG_IF(!switch_strlen_zero(alert_info), SIPTAG_HEADER_STR(alert_info)), TAG_IF(!switch_strlen_zero(extra_headers), SIPTAG_HEADER_STR(extra_headers)), TAG_IF(!switch_strlen_zero(max_forwards), SIPTAG_MAX_FORWARDS_STR(max_forwards)), //SIPTAG_CONTACT_STR(tech_pvt->profile->url), SOATAG_USER_SDP_STR(tech_pvt->local_sdp_str), SOATAG_RTP_SORT(SOA_RTP_SORT_REMOTE), SOATAG_RTP_SELECT(SOA_RTP_SELECT_ALL), TAG_IF(rep, SIPTAG_REPLACES_STR(rep)), SOATAG_HOLD(holdstr), TAG_END()); switch_safe_free(stream.data); return SWITCH_STATUS_SUCCESS; } void sofia_glue_do_xfer_invite(switch_core_session_t *session) { char rpid[1024]; private_object_t *tech_pvt; switch_channel_t *channel = NULL; switch_caller_profile_t *caller_profile; channel = switch_core_session_get_channel(session); assert(channel != NULL); tech_pvt = (private_object_t *) switch_core_session_get_private(session); assert(tech_pvt != NULL); caller_profile = switch_channel_get_caller_profile(channel); if ((tech_pvt->from_str = switch_core_session_sprintf(session, "\"%s\" ", (char *) caller_profile->caller_id_name, (char *) caller_profile->caller_id_number, tech_pvt->profile->extsipip ? tech_pvt->profile->extsipip : tech_pvt->profile->sipip))) { char *rep = switch_channel_get_variable(channel, SOFIA_REPLACES_HEADER); tech_pvt->nh2 = nua_handle(tech_pvt->profile->nua, NULL, SIPTAG_TO_STR(tech_pvt->dest), SIPTAG_FROM_STR(tech_pvt->from_str), SIPTAG_CONTACT_STR(tech_pvt->profile->url), TAG_END()); nua_handle_bind(tech_pvt->nh2, tech_pvt->sofia_private); nua_invite(tech_pvt->nh2, TAG_IF(rpid, SIPTAG_HEADER_STR(rpid)), SIPTAG_CONTACT_STR(tech_pvt->profile->url), SOATAG_USER_SDP_STR(tech_pvt->local_sdp_str), SOATAG_RTP_SORT(SOA_RTP_SORT_REMOTE), SOATAG_RTP_SELECT(SOA_RTP_SELECT_ALL), TAG_IF(rep, SIPTAG_REPLACES_STR(rep)), TAG_END()); } else { switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Memory Error!\n"); } } void sofia_glue_tech_absorb_sdp(private_object_t * tech_pvt) { switch_channel_t *channel; char *sdp_str; channel = switch_core_session_get_channel(tech_pvt->session); assert(channel != NULL); if ((sdp_str = switch_channel_get_variable(channel, SWITCH_B_SDP_VARIABLE))) { sdp_parser_t *parser; sdp_session_t *sdp; sdp_media_t *m; sdp_connection_t *connection; if ((parser = sdp_parse(tech_pvt->home, sdp_str, (int) strlen(sdp_str), 0))) { if ((sdp = sdp_session(parser))) { for (m = sdp->sdp_media; m; m = m->m_next) { if (m->m_type != sdp_media_audio) { continue; } connection = sdp->sdp_connection; if (m->m_connections) { connection = m->m_connections; } if (connection) { tech_pvt->proxy_sdp_audio_ip = switch_core_session_strdup(tech_pvt->session, connection->c_address); } tech_pvt->proxy_sdp_audio_port = (switch_port_t) m->m_port; if (tech_pvt->proxy_sdp_audio_ip && tech_pvt->proxy_sdp_audio_port) { break; } } } sdp_parser_free(parser); } tech_pvt->local_sdp_str = switch_core_session_strdup(tech_pvt->session, sdp_str); } } void sofia_glue_deactivate_rtp(private_object_t * tech_pvt) { int loops = 0; //, sock = -1; if (switch_rtp_ready(tech_pvt->rtp_session)) { while (loops < 10 && (switch_test_flag(tech_pvt, TFLAG_READING) || switch_test_flag(tech_pvt, TFLAG_WRITING))) { switch_yield(10000); loops++; } switch_rtp_destroy(&tech_pvt->rtp_session); } } switch_status_t sofia_glue_tech_set_codec(private_object_t * tech_pvt, int force) { switch_channel_t *channel; if (tech_pvt->read_codec.implementation) { if (!force) { return SWITCH_STATUS_SUCCESS; } if (strcasecmp(tech_pvt->read_codec.implementation->iananame, tech_pvt->rm_encoding) || tech_pvt->read_codec.implementation->samples_per_second != tech_pvt->rm_rate) { switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Changing Codec from %s to %s\n", tech_pvt->read_codec.implementation->iananame, tech_pvt->rm_encoding); switch_core_codec_destroy(&tech_pvt->read_codec); switch_core_codec_destroy(&tech_pvt->write_codec); switch_core_session_reset(tech_pvt->session); } else { switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Already using %s\n", tech_pvt->read_codec.implementation->iananame); return SWITCH_STATUS_SUCCESS; } } channel = switch_core_session_get_channel(tech_pvt->session); assert(channel != NULL); if (!tech_pvt->rm_encoding) { switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Can't load codec with no name?\n"); sofia_glue_terminate_session(&tech_pvt->session, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER, __LINE__); return SWITCH_STATUS_FALSE; } if (switch_core_codec_init(&tech_pvt->read_codec, tech_pvt->rm_encoding, tech_pvt->rm_fmtp, tech_pvt->rm_rate, tech_pvt->codec_ms, 1, SWITCH_CODEC_FLAG_ENCODE | SWITCH_CODEC_FLAG_DECODE | tech_pvt->profile->codec_flags, NULL, switch_core_session_get_pool(tech_pvt->session)) != SWITCH_STATUS_SUCCESS) { switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Can't load codec?\n"); sofia_glue_terminate_session(&tech_pvt->session, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER, __LINE__); return SWITCH_STATUS_FALSE; } else { if (switch_core_codec_init(&tech_pvt->write_codec, tech_pvt->rm_encoding, tech_pvt->rm_fmtp, tech_pvt->rm_rate, tech_pvt->codec_ms, 1, SWITCH_CODEC_FLAG_ENCODE | SWITCH_CODEC_FLAG_DECODE | tech_pvt->profile->codec_flags, NULL, switch_core_session_get_pool(tech_pvt->session)) != SWITCH_STATUS_SUCCESS) { switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Can't load codec?\n"); sofia_glue_terminate_session(&tech_pvt->session, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER, __LINE__); return SWITCH_STATUS_FALSE; } else { int ms; tech_pvt->read_frame.rate = tech_pvt->rm_rate; ms = tech_pvt->write_codec.implementation->microseconds_per_frame / 1000; switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Set Codec %s %s/%ld %d ms\n", switch_channel_get_name(channel), tech_pvt->rm_encoding, tech_pvt->rm_rate, tech_pvt->codec_ms); tech_pvt->read_frame.codec = &tech_pvt->read_codec; switch_core_session_set_read_codec(tech_pvt->session, &tech_pvt->read_codec); switch_core_session_set_write_codec(tech_pvt->session, &tech_pvt->write_codec); tech_pvt->fmtp_out = switch_core_session_strdup(tech_pvt->session, tech_pvt->write_codec.fmtp_out); } } return SWITCH_STATUS_SUCCESS; } switch_status_t sofia_glue_activate_rtp(private_object_t * tech_pvt) { int bw, ms; switch_channel_t *channel; const char *err = NULL; char *val = NULL; switch_rtp_flag_t flags; switch_status_t status; char tmp[50]; assert(tech_pvt != NULL); channel = switch_core_session_get_channel(tech_pvt->session); assert(channel != NULL); if (switch_test_flag(tech_pvt, TFLAG_NOMEDIA)) { return SWITCH_STATUS_SUCCESS; } if (switch_rtp_ready(tech_pvt->rtp_session) && !switch_test_flag(tech_pvt, TFLAG_REINVITE)) { return SWITCH_STATUS_SUCCESS; } if ((status = sofia_glue_tech_set_codec(tech_pvt, 0)) != SWITCH_STATUS_SUCCESS) { return status; } bw = tech_pvt->read_codec.implementation->bits_per_second; ms = tech_pvt->read_codec.implementation->microseconds_per_frame; flags = (switch_rtp_flag_t) (SWITCH_RTP_FLAG_RAW_WRITE | SWITCH_RTP_FLAG_AUTOADJ | SWITCH_RTP_FLAG_DATAWAIT); if (switch_test_flag(tech_pvt, TFLAG_BUGGY_2833)) { flags |= SWITCH_RTP_FLAG_BUGGY_2833; } if ((tech_pvt->profile->pflags & PFLAG_PASS_RFC2833) || ((val = switch_channel_get_variable(channel, "pass_rfc2833")) && switch_true(val))) { flags |= SWITCH_RTP_FLAG_PASS_RFC2833; } if (tech_pvt->cng_pt) { flags |= SWITCH_RTP_FLAG_AUTO_CNG; } switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "RTP [%s] %s:%d->%s:%d codec: %u ms: %d\n", switch_channel_get_name(channel), tech_pvt->local_sdp_audio_ip, tech_pvt->local_sdp_audio_port, tech_pvt->remote_sdp_audio_ip, tech_pvt->remote_sdp_audio_port, tech_pvt->agreed_pt, tech_pvt->read_codec.implementation->microseconds_per_frame / 1000); snprintf(tmp, sizeof(tmp), "%d", tech_pvt->remote_sdp_audio_port); switch_channel_set_variable(channel, SWITCH_LOCAL_MEDIA_IP_VARIABLE, tech_pvt->adv_sdp_audio_ip); switch_channel_set_variable(channel, SWITCH_LOCAL_MEDIA_PORT_VARIABLE, tmp); if (tech_pvt->rtp_session && switch_test_flag(tech_pvt, TFLAG_REINVITE)) { switch_clear_flag_locked(tech_pvt, TFLAG_REINVITE); if (switch_rtp_set_remote_address(tech_pvt->rtp_session, tech_pvt->remote_sdp_audio_ip, tech_pvt->remote_sdp_audio_port, &err) != SWITCH_STATUS_SUCCESS) { switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "RTP REPORTS ERROR: [%s]\n", err); } else { switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "RTP CHANGING DEST TO: [%s:%d]\n", tech_pvt->remote_sdp_audio_ip, tech_pvt->remote_sdp_audio_port); /* Reactivate the NAT buster flag. */ switch_rtp_set_flag(tech_pvt->rtp_session, SWITCH_RTP_FLAG_AUTOADJ); } return SWITCH_STATUS_SUCCESS; } tech_pvt->rtp_session = switch_rtp_new(tech_pvt->local_sdp_audio_ip, tech_pvt->local_sdp_audio_port, tech_pvt->remote_sdp_audio_ip, tech_pvt->remote_sdp_audio_port, tech_pvt->agreed_pt, tech_pvt->read_codec.implementation->samples_per_frame, tech_pvt->codec_ms * 1000, (switch_rtp_flag_t) flags, NULL, tech_pvt->profile->timer_name, &err, switch_core_session_get_pool(tech_pvt->session)); if (switch_rtp_ready(tech_pvt->rtp_session)) { uint8_t vad_in = switch_test_flag(tech_pvt, TFLAG_VAD_IN) ? 1 : 0; uint8_t vad_out = switch_test_flag(tech_pvt, TFLAG_VAD_OUT) ? 1 : 0; uint8_t inb = switch_test_flag(tech_pvt, TFLAG_OUTBOUND) ? 0 : 1; tech_pvt->ssrc = switch_rtp_get_ssrc(tech_pvt->rtp_session); switch_set_flag_locked(tech_pvt, TFLAG_RTP); switch_set_flag_locked(tech_pvt, TFLAG_IO); if ((vad_in && inb) || (vad_out && !inb)) { switch_rtp_enable_vad(tech_pvt->rtp_session, tech_pvt->session, &tech_pvt->read_codec, SWITCH_VAD_FLAG_TALKING); switch_set_flag_locked(tech_pvt, TFLAG_VAD); switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "RTP Engage VAD for %s ( %s %s )\n", switch_channel_get_name(switch_core_session_get_channel(tech_pvt->session)), vad_in ? "in" : "", vad_out ? "out" : ""); } if (tech_pvt->te) { switch_rtp_set_telephony_event(tech_pvt->rtp_session, tech_pvt->te); } if (tech_pvt->cng_pt) { switch_rtp_set_cng_pt(tech_pvt->rtp_session, tech_pvt->cng_pt); } } else { switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "RTP REPORTS ERROR: [%s]\n", err); sofia_glue_terminate_session(&tech_pvt->session, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER, __LINE__); switch_clear_flag_locked(tech_pvt, TFLAG_IO); return SWITCH_STATUS_FALSE; } switch_set_flag_locked(tech_pvt, TFLAG_IO); return SWITCH_STATUS_SUCCESS; } switch_status_t sofia_glue_tech_media(private_object_t * tech_pvt, char *r_sdp) { sdp_parser_t *parser = sdp_parse(tech_pvt->home, r_sdp, (int) strlen(r_sdp), 0); sdp_session_t *sdp; uint8_t match = 0; switch_channel_t *channel = switch_core_session_get_channel(tech_pvt->session); assert(tech_pvt != NULL); if (switch_strlen_zero(r_sdp)) { return SWITCH_STATUS_FALSE; } if (tech_pvt->num_codecs) { if ((sdp = sdp_session(parser))) { match = negotiate_sdp(tech_pvt->session, sdp); } } if (parser) { sdp_parser_free(parser); } if (match) { if (sofia_glue_tech_choose_port(tech_pvt) != SWITCH_STATUS_SUCCESS) { return SWITCH_STATUS_FALSE; } sofia_glue_activate_rtp(tech_pvt); switch_channel_set_variable(channel, SWITCH_ENDPOINT_DISPOSITION_VARIABLE, "EARLY MEDIA"); switch_set_flag_locked(tech_pvt, TFLAG_EARLY_MEDIA); switch_channel_mark_pre_answered(channel); return SWITCH_STATUS_SUCCESS; } return SWITCH_STATUS_FALSE; } uint8_t negotiate_sdp(switch_core_session_t *session, sdp_session_t * sdp) { uint8_t match = 0; switch_payload_t te = 0, cng_pt = 0; private_object_t *tech_pvt; sdp_media_t *m; sdp_attribute_t *a; switch_channel_t *channel; int ptime = 0, dptime = 0; tech_pvt = switch_core_session_get_private(session); assert(tech_pvt != NULL); channel = switch_core_session_get_channel(session); if ((tech_pvt->origin = switch_core_session_strdup(session, (char *) sdp->sdp_origin->o_username))) { if (strstr(tech_pvt->origin, "CiscoSystemsSIP-GW-UserAgent")) { switch_set_flag_locked(tech_pvt, TFLAG_BUGGY_2833); switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Activate Buggy RFC2833 Mode!\n"); } } for (a = sdp->sdp_attributes; a; a = a->a_next) { if (switch_strlen_zero(a->a_name)) { continue; } if (!strcasecmp(a->a_name, "sendonly")) { if (!switch_test_flag(tech_pvt, TFLAG_SIP_HOLD)) { char *stream; switch_set_flag_locked(tech_pvt, TFLAG_SIP_HOLD); switch_channel_set_flag(channel, CF_HOLD); if (!(stream = switch_channel_get_variable(channel, SWITCH_HOLD_MUSIC_VARIABLE))) { stream = tech_pvt->profile->hold_music; } if (stream) { switch_ivr_broadcast(switch_core_session_get_uuid(tech_pvt->session), stream, SMF_ECHO_BLEG | SMF_LOOP); } } } else if (!strcasecmp(a->a_name, "sendrecv")) { if (switch_test_flag(tech_pvt, TFLAG_SIP_HOLD)) { switch_clear_flag_locked(tech_pvt, TFLAG_SIP_HOLD); switch_channel_clear_flag(channel, CF_HOLD); switch_channel_clear_flag_partner(channel, CF_BROADCAST); switch_channel_set_flag_partner(channel, CF_BREAK); } } else if (!strcasecmp(a->a_name, "ptime")) { dptime = atoi(a->a_value); } } for (m = sdp->sdp_media; m; m = m->m_next) { sdp_connection_t *connection; ptime = dptime; for (a = m->m_attributes; a; a = a->a_next) { if (!strcasecmp(a->a_name, "ptime") && a->a_value) { ptime = atoi(a->a_value); } } if (m->m_type == sdp_media_audio) { sdp_rtpmap_t *map; connection = sdp->sdp_connection; if (m->m_connections) { connection = m->m_connections; } if (!connection) { switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Cannot find a c= line in the sdp at media or session level!\n"); match = 0; break; } for (map = m->m_rtpmaps; map; map = map->rm_next) { int32_t i; const switch_codec_implementation_t *mimp = NULL, *near_match = NULL; const char *rm_encoding; if (!(rm_encoding = map->rm_encoding)) { rm_encoding = ""; } if (!te && !strcasecmp(rm_encoding, "telephone-event")) { te = tech_pvt->te = (switch_payload_t) map->rm_pt; switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Set 2833 dtmf payload to %u\n", te); if (tech_pvt->rtp_session) { switch_rtp_set_telephony_event(tech_pvt->rtp_session, tech_pvt->te); } } if (!cng_pt && !strcasecmp(rm_encoding, "CN")) { cng_pt = tech_pvt->cng_pt = (switch_payload_t) map->rm_pt; switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Set comfort noise payload to %u\n", cng_pt); if (tech_pvt->rtp_session) { switch_rtp_set_cng_pt(tech_pvt->rtp_session, tech_pvt->cng_pt); switch_rtp_set_flag(tech_pvt->rtp_session, SWITCH_RTP_FLAG_AUTO_CNG); } } if (match) { if (te && cng_pt) { break; } continue; } for (i = 0; i < tech_pvt->num_codecs; i++) { const switch_codec_implementation_t *imp = tech_pvt->codecs[i]; switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Codec Compare [%s:%d]/[%s:%d]\n", rm_encoding, map->rm_pt, imp->iananame, imp->ianacode); if (map->rm_pt < 96) { match = (map->rm_pt == imp->ianacode) ? 1 : 0; } else { match = strcasecmp(rm_encoding, imp->iananame) ? 0 : 1; } if (match && (map->rm_rate == imp->samples_per_second)) { if (ptime && ptime * 1000 != imp->microseconds_per_frame) { near_match = imp; match = 0; continue; } mimp = imp; break; } else { match = 0; } } if (!match && near_match) { const switch_codec_implementation_t *search[1]; char *prefs[1]; char tmp[80]; int num; snprintf(tmp, sizeof(tmp), "%s@%uk@%ui", near_match->iananame, near_match->samples_per_second, ptime); prefs[0] = tmp; num = switch_loadable_module_get_codecs_sorted(search, 1, prefs, 1); if (num) { mimp = search[0]; } else { mimp = near_match; } switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Substituting codec %s@%ums\n", mimp->iananame, mimp->microseconds_per_frame / 1000); match = 1; } if (mimp) { if ((tech_pvt->rm_encoding = switch_core_session_strdup(session, (char *) rm_encoding))) { char tmp[50]; tech_pvt->pt = (switch_payload_t) map->rm_pt; tech_pvt->rm_rate = map->rm_rate; tech_pvt->codec_ms = mimp->microseconds_per_frame / 1000; tech_pvt->remote_sdp_audio_ip = switch_core_session_strdup(session, (char *) connection->c_address); tech_pvt->rm_fmtp = switch_core_session_strdup(session, (char *) map->rm_fmtp); tech_pvt->remote_sdp_audio_port = (switch_port_t) m->m_port; tech_pvt->agreed_pt = (switch_payload_t) map->rm_pt; snprintf(tmp, sizeof(tmp), "%d", tech_pvt->remote_sdp_audio_port); switch_channel_set_variable(channel, SWITCH_REMOTE_MEDIA_IP_VARIABLE, tech_pvt->remote_sdp_audio_ip); switch_channel_set_variable(channel, SWITCH_REMOTE_MEDIA_PORT_VARIABLE, tmp); } else { match = 0; } } if (match) { if (sofia_glue_tech_set_codec(tech_pvt, 1) != SWITCH_STATUS_SUCCESS) { match = 0; } } } } } return match; } // map sip responses to QSIG cause codes ala RFC4497 section 8.4.4 switch_call_cause_t sofia_glue_sip_cause_to_freeswitch(int status) { switch (status) { case 200: return SWITCH_CAUSE_NORMAL_CLEARING; case 401: case 402: case 403: case 407: case 603: return SWITCH_CAUSE_CALL_REJECTED; case 404: case 485: case 604: return SWITCH_CAUSE_NO_ROUTE_DESTINATION; case 408: case 504: return SWITCH_CAUSE_RECOVERY_ON_TIMER_EXPIRE; case 410: return SWITCH_CAUSE_NUMBER_CHANGED; case 413: case 414: case 416: case 420: case 421: case 423: case 505: case 513: return SWITCH_CAUSE_INTERWORKING; case 480: return SWITCH_CAUSE_NO_USER_RESPONSE; case 400: case 481: case 500: case 503: return SWITCH_CAUSE_NORMAL_TEMPORARY_FAILURE; case 486: case 600: return SWITCH_CAUSE_USER_BUSY; case 484: return SWITCH_CAUSE_INVALID_NUMBER_FORMAT; case 488: case 606: return SWITCH_CAUSE_BEARERCAPABILITY_NOTIMPL; case 502: return SWITCH_CAUSE_NETWORK_OUT_OF_ORDER; case 405: return SWITCH_CAUSE_SERVICE_UNAVAILABLE; case 406: case 415: case 501: return SWITCH_CAUSE_SERVICE_NOT_IMPLEMENTED; case 482: case 483: return SWITCH_CAUSE_EXCHANGE_ROUTING_ERROR; case 487: return SWITCH_CAUSE_ORIGINATOR_CANCEL; default: return SWITCH_CAUSE_NORMAL_UNSPECIFIED; } } void sofia_glue_pass_sdp(private_object_t * tech_pvt, char *sdp) { char *val; switch_channel_t *channel; switch_core_session_t *other_session; switch_channel_t *other_channel; channel = switch_core_session_get_channel(tech_pvt->session); assert(channel != NULL); if ((val = switch_channel_get_variable(channel, SWITCH_SIGNAL_BOND_VARIABLE)) && (other_session = switch_core_session_locate(val))) { other_channel = switch_core_session_get_channel(other_session); assert(other_channel != NULL); switch_channel_set_variable(other_channel, SWITCH_B_SDP_VARIABLE, sdp); if (!switch_test_flag(tech_pvt, TFLAG_CHANGE_MEDIA) && (switch_channel_test_flag(other_channel, CF_OUTBOUND) && //switch_channel_test_flag(other_channel, CF_NOMEDIA) && switch_channel_test_flag(channel, CF_OUTBOUND) && switch_channel_test_flag(channel, CF_NOMEDIA))) { switch_ivr_nomedia(val, SMF_FORCE); switch_set_flag_locked(tech_pvt, TFLAG_CHANGE_MEDIA); } switch_core_session_rwunlock(other_session); } } char *sofia_glue_get_url_from_contact(char *buf, uint8_t to_dup) { char *url = NULL, *e; if ((url = strchr(buf, '<')) && (e = strchr(url, '>'))) { url++; if (to_dup) { url = strdup(url); e = strchr(url, '>'); } *e = '\0'; } return url; } sofia_profile_t *sofia_glue_find_profile(char *key) { sofia_profile_t *profile; switch_mutex_lock(mod_sofia_globals.hash_mutex); profile = (sofia_profile_t *) switch_core_hash_find(mod_sofia_globals.profile_hash, key); switch_mutex_unlock(mod_sofia_globals.hash_mutex); return profile; } void sofia_glue_add_profile(char *key, sofia_profile_t * profile) { switch_mutex_lock(mod_sofia_globals.hash_mutex); switch_core_hash_insert(mod_sofia_globals.profile_hash, key, profile); switch_mutex_unlock(mod_sofia_globals.hash_mutex); } void sofia_glue_execute_sql(char *dbname, char *sql, switch_mutex_t * mutex) { switch_core_db_t *db; if (mutex) { switch_mutex_lock(mutex); } if (!(db = switch_core_db_open_file(dbname))) { switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error Opening DB %s\n", dbname); goto end; } switch_core_db_persistant_execute(db, sql, 25); switch_core_db_close(db); end: if (mutex) { switch_mutex_unlock(mutex); } }