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freeswitch/src/mod/endpoints/mod_exosip/mod_exosip_ucl.c

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/*
* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
* Copyright (C) 2005/2006, Anthony Minessale II <anthmct@yahoo.com>
*
* Version: MPL 1.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
*
* The Initial Developer of the Original Code is
* Anthony Minessale II <anthmct@yahoo.com>
* Portions created by the Initial Developer are Copyright (C)
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Anthony Minessale II <anthmct@yahoo.com>
*
*
* mod_exosip.c -- eXoSIP SIP Endpoint
*
*/
#define HAVE_APR
#include <config_unix.h>
#include <config_win32.h>
#include <switch.h>
#include <debug.h>
#include <memory.h>
#include <rtp.h>
#include <eXosip2/eXosip.h>
#include <osip2/osip_mt.h>
#include <osipparser2/osip_rfc3264.h>
#include <osipparser2/osip_port.h>
//#include <sys/queue.h>
//#include <ctype.h>
//#include <string.h>
//#include <byteswap.h>
//#include <uclconf.h>
static const char modname[] = "mod_exosip";
#define STRLEN 15
static switch_memory_pool *module_pool;
typedef enum {
PFLAG_ANSWER = (1 << 0),
PFLAG_HANGUP = (1 << 1),
} PFLAGS;
typedef enum {
PPFLAG_RING = (1 << 0),
} PPFLAGS;
typedef enum {
TFLAG_IO = (1 << 0),
TFLAG_INBOUND = (1 << 1),
TFLAG_OUTBOUND = (1 << 2),
TFLAG_DTMF = (1 << 3),
TFLAG_READING = (1 << 4),
TFLAG_WRITING = (1 << 5),
TFLAG_USING_CODEC = (1 << 6),
TFLAG_RTP = (1 << 7),
TFLAG_BYE = (1 << 8)
} TFLAGS;
#define PACKET_LEN 160
#define DEFAULT_BYTES_PER_FRAME 160
static const switch_endpoint_interface exosip_endpoint_interface;
static struct {
int debug;
int bytes_per_frame;
char *dialplan;
int port;
int rtp_start;
int rtp_end;
switch_hash *call_hash;
switch_mutex_t *port_lock;
int running;
int codec_ms;
} globals;
struct private_object {
unsigned int flags;
switch_core_session *session;
switch_frame read_frame;
switch_codec read_codec;
switch_codec write_codec;
unsigned char read_buf[RTP_MAX_PACKET_LEN];
switch_caller_profile *caller_profile;
int cid;
int did;
int tid;
int32_t timestamp_send;
int32_t timestamp_recv;
int payload_num;
struct rtp *rtp_session;
struct osip_rfc3264 *sdp_config;
sdp_message_t *remote_sdp;
sdp_message_t *local_sdp;
char remote_sdp_audio_ip[50];
int remote_sdp_audio_port;
char local_sdp_audio_ip[50];
int local_sdp_audio_port;
char call_id[50];
int ssrc;
//switch_mutex_t *rtp_lock;
};
static int next_rtp_port(void)
{
int port;
switch_mutex_lock(globals.port_lock);
port = globals.rtp_start;
globals.rtp_start += 2;
if (port >= globals.rtp_end) {
port = globals.rtp_start;
}
switch_mutex_unlock(globals.port_lock);
return port;
}
static void set_global_dialplan(char *dialplan)
{
if (globals.dialplan) {
free(globals.dialplan);
globals.dialplan = NULL;
}
globals.dialplan = strdup(dialplan);
}
static void set_global_dialplan(char *dialplan);
static switch_status exosip_on_init(switch_core_session *session);
static switch_status exosip_on_hangup(switch_core_session *session);
static switch_status exosip_on_loopback(switch_core_session *session);
static switch_status exosip_on_transmit(switch_core_session *session);
static switch_status exosip_outgoing_channel(switch_core_session *session, switch_caller_profile *outbound_profile, switch_core_session **new_session);
static switch_status exosip_read_frame(switch_core_session *session, switch_frame **frame, int timeout, switch_io_flag flags);
static switch_status exosip_write_frame(switch_core_session *session, switch_frame *frame, int timeout, switch_io_flag flags);
static int config_exosip(int reload);
static switch_status parse_sdp_media(sdp_media_t *media, char **dname, char **drate, char **dpayload);
static switch_status exosip_kill_channel(switch_core_session *session, int sig);
static void activate_rtp(struct private_object *tech_pvt);
static void deactivate_rtp(struct private_object *tech_pvt);
static struct private_object *get_pvt_by_call_id(int id)
{
char name[50];
snprintf(name, sizeof(name), "%d", id);
return (struct private_object *) switch_core_hash_find(globals.call_hash, name);
}
static switch_status exosip_on_execute(switch_core_session *session)
{
return SWITCH_STATUS_SUCCESS;
}
static int sdp_add_codec(struct osip_rfc3264 *cnf, int codec_type, int payload, char *attribute, int rate, int index)
{
char tmp[4] = "", string[32] = "";
sdp_media_t *med = NULL;
sdp_attribute_t *attr = NULL;
sdp_media_init(&med);
if (med == NULL)
return -1;
if (!index) {
snprintf(tmp, sizeof(tmp), "%i", payload);
med->m_proto = osip_strdup("RTP/AVP");
osip_list_add(med->m_payloads, osip_strdup(tmp), -1);
}
if (attribute) {
sdp_attribute_init(&attr);
attr->a_att_field = osip_strdup("rtpmap");
snprintf(string, sizeof(string), "%i %s/%i", payload, attribute, rate);
attr->a_att_value = osip_strdup(string);
osip_list_add(med->a_attributes, attr, -1);
}
switch (codec_type) {
case SWITCH_CODEC_TYPE_AUDIO:
med->m_media = osip_strdup("audio");
osip_rfc3264_add_audio_media(cnf, med, -1);
break;
case SWITCH_CODEC_TYPE_VIDEO:
med->m_media = osip_strdup("video");
osip_rfc3264_add_video_media(cnf, med, -1);
break;
default:
break;
}
return 0;
}
/*
State methods they get called when the state changes to the specific state
returning SWITCH_STATUS_SUCCESS tells the core to execute the standard state method next
so if you fully implement the state you can return SWITCH_STATUS_FALSE to skip it.
*/
static switch_status exosip_on_init(switch_core_session *session)
{
struct private_object *tech_pvt;
switch_channel *channel = NULL;
char from_uri[512] = "", localip[128] = "", port[7] = "", *buf = NULL, tmp[512] = "";
osip_message_t *invite = NULL;
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
tech_pvt = switch_core_session_get_private(session);
assert(tech_pvt != NULL);
tech_pvt->read_frame.data = tech_pvt->read_buf;
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "EXOSIP INIT\n");
if (switch_test_flag(tech_pvt, TFLAG_OUTBOUND)) {
char *dest_uri;
switch_codec_interface *codecs[512];
int num_codecs = 0;
/* do SIP Goodies...*/
/* Generate callerid URI */
eXosip_guess_localip(AF_INET, localip, 128);
snprintf(from_uri, sizeof(from_uri), "<sip:%s@%s>", tech_pvt->caller_profile->caller_id_number, localip);
/* Setup codec negotiation stuffs */
osip_rfc3264_init(&tech_pvt->sdp_config);
/* Decide on local IP and rtp port */
strncpy(tech_pvt->local_sdp_audio_ip, localip, sizeof(tech_pvt->local_sdp_audio_ip));
tech_pvt->local_sdp_audio_port = next_rtp_port();
/* Initialize SDP */
sdp_message_init(&tech_pvt->local_sdp);
sdp_message_v_version_set(tech_pvt->local_sdp, "0");
sdp_message_o_origin_set(tech_pvt->local_sdp, "OpenSWITCH2", "0", "0", "IN", "IP4", tech_pvt->local_sdp_audio_ip);
sdp_message_s_name_set(tech_pvt->local_sdp, "SIP Call");
sdp_message_c_connection_add(tech_pvt->local_sdp, -1, "IN", "IP4", tech_pvt->local_sdp_audio_ip, NULL, NULL);
sdp_message_t_time_descr_add(tech_pvt->local_sdp, "0", "0");
snprintf(port, sizeof(port), "%i", tech_pvt->local_sdp_audio_port);
sdp_message_m_media_add(tech_pvt->local_sdp, "audio", port, NULL, "RTP/AVP");
/* Add in every codec we support on this outbound call */
if ((num_codecs = loadable_module_get_codecs(switch_core_session_get_pool(session), codecs, sizeof(codecs)/sizeof(codecs[0]))) > 0) {
int i;
static const switch_codec_implementation *imp;
for (i = 0; i < num_codecs; i++) {
int x = 0;
snprintf(tmp, sizeof(tmp), "%i", codecs[i]->ianacode);
sdp_message_m_payload_add(tech_pvt->local_sdp, 0, osip_strdup(tmp));
for (imp = codecs[i]->implementations ; imp ; imp = imp->next) {
/* Add to SDP config */
sdp_add_codec(tech_pvt->sdp_config, codecs[i]->codec_type, codecs[i]->ianacode, codecs[i]->iananame, imp->samples_per_second, x++);
/* Add to SDP message */
snprintf(tmp, sizeof(tmp), "%i %s/%i", codecs[i]->ianacode, codecs[i]->iananame, imp->samples_per_second);
sdp_message_a_attribute_add(tech_pvt->local_sdp, 0, "rtpmap", osip_strdup(tmp));
memset(tmp, 0, sizeof(tmp));
}
}
}
/* Setup our INVITE */
eXosip_lock();
if (!(dest_uri = (char *) switch_core_session_alloc(session, strlen(tech_pvt->caller_profile->destination_number) + 10))) {
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "AIEEEE!\n");
assert(dest_uri != NULL);
}
sprintf(dest_uri, "sip:%s", tech_pvt->caller_profile->destination_number);
eXosip_call_build_initial_invite(&invite, dest_uri, from_uri, NULL, NULL);
osip_message_set_supported(invite, "100rel, replaces");
/* Add SDP to the INVITE */
sdp_message_to_str(tech_pvt->local_sdp, &buf);
osip_message_set_body(invite, buf, strlen(buf));
osip_message_set_content_type(invite, "application/sdp");
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "OUTBOUND SDP:\n%s\n", buf);
free(buf);
/* Send the INVITE */
tech_pvt->cid = eXosip_call_send_initial_invite(invite);
snprintf(tech_pvt->call_id, sizeof(tech_pvt->call_id), "%d", tech_pvt->cid);
switch_core_hash_insert(globals.call_hash, tech_pvt->call_id, tech_pvt);
tech_pvt->did = -1;
eXosip_unlock();
}
/* Let Media Work */
switch_set_flag(tech_pvt, TFLAG_IO);
/* Move Channel's State Machine to RING */
switch_channel_set_state(channel, CS_RING);
return SWITCH_STATUS_SUCCESS;
}
static switch_status exosip_on_ring(switch_core_session *session)
{
switch_channel *channel = NULL;
struct private_object *tech_pvt = NULL;
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
tech_pvt = switch_core_session_get_private(session);
assert(tech_pvt != NULL);
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "EXOSIP RING\n");
return SWITCH_STATUS_SUCCESS;
}
static switch_status exosip_on_hangup(switch_core_session *session)
{
struct private_object *tech_pvt;
switch_channel *channel = NULL;
int i;
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
tech_pvt = switch_core_session_get_private(session);
assert(tech_pvt != NULL);
switch_core_hash_delete(globals.call_hash, tech_pvt->call_id);
switch_set_flag(tech_pvt, TFLAG_BYE);
switch_clear_flag(tech_pvt, TFLAG_IO);
deactivate_rtp(tech_pvt);
i = eXosip_call_terminate(tech_pvt->cid, tech_pvt->did);
if (switch_test_flag(tech_pvt, TFLAG_USING_CODEC)) {
switch_core_codec_destroy(&tech_pvt->read_codec);
switch_core_codec_destroy(&tech_pvt->write_codec);
}
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "EXOSIP HANGUP %s %d/%d=%d\n", switch_channel_get_name(channel), tech_pvt->cid, tech_pvt->did, i);
return SWITCH_STATUS_SUCCESS;
}
static switch_status exosip_on_loopback(switch_core_session *session)
{
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "EXOSIP LOOPBACK\n");
return SWITCH_STATUS_SUCCESS;
}
static switch_status exosip_on_transmit(switch_core_session *session)
{
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "EXOSIP TRANSMIT\n");
return SWITCH_STATUS_SUCCESS;
}
static switch_status exosip_outgoing_channel(switch_core_session *session, switch_caller_profile *outbound_profile, switch_core_session **new_session)
{
if ((*new_session = switch_core_session_request(&exosip_endpoint_interface, NULL))) {
struct private_object *tech_pvt;
switch_channel *channel, *orig_channel;
switch_caller_profile *caller_profile, *originator_caller_profile = NULL;
switch_core_session_add_stream(*new_session, NULL);
if ((tech_pvt = (struct private_object *) switch_core_session_alloc(*new_session, sizeof(struct private_object)))) {
memset(tech_pvt, 0, sizeof(*tech_pvt));
channel = switch_core_session_get_channel(*new_session);
switch_core_session_set_private(*new_session, tech_pvt);
//switch_mutex_init(&tech_pvt->rtp_lock, SWITCH_MUTEX_NESTED, switch_core_session_get_pool(*new_session));
tech_pvt->session = *new_session;
} else {
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "Hey where is my memory pool?\n");
switch_core_session_destroy(new_session);
return SWITCH_STATUS_GENERR;
}
if (outbound_profile) {
char name[128];
caller_profile = switch_caller_profile_clone(*new_session, outbound_profile);
switch_channel_set_caller_profile(channel, caller_profile);
tech_pvt->caller_profile = caller_profile;
snprintf(name, sizeof(name), "Exosip/%s-%04x", caller_profile->destination_number, rand() & 0xffff);
switch_channel_set_name(channel, name);
} else {
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "Doh! no caller profile\n");
switch_core_session_destroy(new_session);
return SWITCH_STATUS_GENERR;
}
/* (session == NULL) means it was originated from the core not from another channel */
if (session && (orig_channel = switch_core_session_get_channel(session))) {
switch_caller_profile *cloned_profile;
if ((originator_caller_profile = switch_channel_get_caller_profile(orig_channel))) {
cloned_profile = switch_caller_profile_clone(*new_session, originator_caller_profile);
switch_channel_set_originator_caller_profile(channel, cloned_profile);
}
}
switch_channel_set_flag(channel, CF_OUTBOUND);
switch_set_flag(tech_pvt, TFLAG_OUTBOUND);
switch_channel_set_state(channel, CS_INIT);
return SWITCH_STATUS_SUCCESS;
}
return SWITCH_STATUS_GENERR;
}
#if 0
static const char *event_names[] = {
"RX_RTP",
"RX_SR",
"RX_RR",
"RX_SDES",
"RX_BYE",
"SOURCE_CREATED",
"SOURCE_DELETED",
"RX_RR_EMPTY",
"RX_RTCP_START",
"RX_RTCP_FINISH",
"RR_TIMEOUT",
"RX_APP"
};
#endif
static void rtp_event_handler(struct rtp *session, rtp_event *event)
{
rtp_packet *packet;
struct private_object *tech_pvt = (struct private_object *) rtp_get_userdata(session);
if (!session) {
return;
}
//switch_console_printf(SWITCH_CHANNEL_CONSOLE, "RTP EVENT (%s)\n", event_names[event->type]);
switch(event->type) {
case RX_RTP:
if((packet = (rtp_packet *) event->data)) {
if (packet->data_len < 10000) {
memcpy(tech_pvt->read_buf, packet->data, packet->data_len);
tech_pvt->read_frame.datalen = packet->data_len;
} else {
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "WTF PACKET LEN %d\n", packet->data_len);
}
free(packet); /* xfree() is mandatory to release RTP packet data */
}
break;
case RR_TIMEOUT:
case RX_BYE:
switch_set_flag(tech_pvt, TFLAG_BYE);
default:
break;
}
}
static void deactivate_rtp(struct private_object *tech_pvt)
{
int loops = 0;
if (tech_pvt->rtp_session) {
//switch_mutex_lock(tech_pvt->rtp_lock);
while(loops < 10 && (switch_test_flag(tech_pvt, TFLAG_READING) || switch_test_flag(tech_pvt, TFLAG_WRITING))) {
switch_yield(10000);
loops++;
}
rtp_send_bye(tech_pvt->rtp_session);
rtp_done(tech_pvt->rtp_session);
tech_pvt->rtp_session = NULL;
//switch_mutex_unlock(tech_pvt->rtp_lock);
}
}
static void activate_rtp(struct private_object *tech_pvt)
{
int bw, ms;
switch_channel *channel;
assert(tech_pvt != NULL);
channel = switch_core_session_get_channel(tech_pvt->session);
assert(channel != NULL);
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "Activating RTP %d->%s:%d\n",
tech_pvt->local_sdp_audio_port,
tech_pvt->remote_sdp_audio_ip,
tech_pvt->remote_sdp_audio_port);
//switch_mutex_lock(tech_pvt->rtp_lock);
if (switch_test_flag(tech_pvt, TFLAG_USING_CODEC)) {
bw = tech_pvt->read_codec.implementation->bits_per_second;
ms = tech_pvt->read_codec.implementation->nanoseconds_per_frame / 1000;
} else {
switch_channel_get_raw_mode(channel, NULL, NULL, NULL, &ms, &bw);
bw *= 8;
}
tech_pvt->rtp_session = rtp_init(tech_pvt->remote_sdp_audio_ip, /* Host/Group IP address */
tech_pvt->local_sdp_audio_port, /* receive port */
tech_pvt->remote_sdp_audio_port, /* transmit port */
ms * 2, /* time-to-live */
bw, /* B/W estimate */
rtp_event_handler, /* RTP event callback */
(void *) tech_pvt); /* App. specific data */
if (tech_pvt->rtp_session) {
tech_pvt->ssrc = rtp_my_ssrc(tech_pvt->rtp_session);
rtp_set_option(tech_pvt->rtp_session, RTP_OPT_PROMISC, 1);
/* Set local participant info */
rtp_set_sdes(tech_pvt->rtp_session, tech_pvt->ssrc, RTCP_SDES_NAME, "test", 4);
rtp_set_sdes(tech_pvt->rtp_session, tech_pvt->ssrc, RTCP_SDES_PHONE, "test", 4);
rtp_set_sdes(tech_pvt->rtp_session, tech_pvt->ssrc, RTCP_SDES_TOOL, "test", 4);
switch_set_flag(tech_pvt, TFLAG_RTP);
} else {
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "Oh oh is your port even?\n");
}
//switch_mutex_unlock(tech_pvt->rtp_lock);
}
static switch_status exosip_answer_channel(switch_core_session *session)
{
struct private_object *tech_pvt;
switch_channel *channel = NULL;
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
tech_pvt = switch_core_session_get_private(session);
assert(tech_pvt != NULL);
if (!switch_channel_test_flag(channel, CF_OUTBOUND)) {
char *buf = NULL;
osip_message_t *answer = NULL;
/* Transmit 200 OK with SDP */
eXosip_lock();
eXosip_call_build_answer(tech_pvt->tid, 200, &answer);
sdp_message_to_str(tech_pvt->local_sdp, &buf);
osip_message_set_body(answer, buf, strlen(buf));
osip_message_set_content_type(answer, "application/sdp");
free(buf);
eXosip_call_send_answer(tech_pvt->tid, 200, answer);
eXosip_unlock();
}
return SWITCH_STATUS_SUCCESS;
}
static switch_status exosip_read_frame(switch_core_session *session, switch_frame **frame, int timeout, switch_io_flag flags)
{
struct private_object *tech_pvt = NULL;
size_t bytes = 0, samples = 0, frames, ms, x;
switch_channel *channel = NULL;
int ns=0;
struct timeval tv;
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
tech_pvt = switch_core_session_get_private(session);
assert(tech_pvt != NULL);
tech_pvt->read_frame.datalen = 0;
switch_set_flag(tech_pvt, TFLAG_READING);
if (switch_test_flag(tech_pvt, TFLAG_USING_CODEC)) {
bytes = tech_pvt->read_codec.implementation->encoded_bytes_per_frame;
samples = tech_pvt->read_codec.implementation->samples_per_frame;
} else {
assert(0);
}
if (timeout > 0) {
ns = timeout * 10000;
} else {
ns = tech_pvt->read_codec.implementation->nanoseconds_per_frame;
}
if (switch_test_flag(tech_pvt, TFLAG_IO)) {
if (!switch_test_flag(tech_pvt, TFLAG_RTP)) {
activate_rtp(tech_pvt);
}
assert(tech_pvt->rtp_session != NULL);
tech_pvt->read_frame.datalen = 0;
//switch_mutex_lock(tech_pvt->rtp_lock);
tv.tv_sec = 0;
tv.tv_usec = ns;
while(switch_test_flag(tech_pvt, TFLAG_IO) && !switch_test_flag(tech_pvt, TFLAG_BYE)) {
x = rtp_recv(tech_pvt->rtp_session, &tv, tech_pvt->timestamp_recv);
if(x < 0) {
break;
}
if (tech_pvt->read_frame.datalen) {
bytes = tech_pvt->read_codec.implementation->encoded_bytes_per_frame;
frames = (tech_pvt->read_frame.datalen / bytes);
samples = frames * tech_pvt->read_codec.implementation->samples_per_frame;
ms = frames * tech_pvt->read_codec.implementation->nanoseconds_per_frame / 1000;
break;
}
}
tech_pvt->timestamp_recv += (int)samples;
//printf("%s\trecv %d bytes %d samples in %d frames taking up %d ms ts=%d\n", switch_channel_get_name(channel), tech_pvt->read_frame.datalen, samples, frames, ms, tech_pvt->timestamp_recv);
//switch_mutex_unlock(tech_pvt->rtp_lock);
} else {
memset(tech_pvt->read_buf, 0, 160);
tech_pvt->read_frame.datalen = 160;
}
switch_clear_flag(tech_pvt, TFLAG_READING);
if (switch_test_flag(tech_pvt, TFLAG_BYE)) {
switch_channel_hangup(channel);
return SWITCH_STATUS_FALSE;
}
*frame = &tech_pvt->read_frame;
return SWITCH_STATUS_SUCCESS;
}
static switch_status exosip_write_frame(switch_core_session *session, switch_frame *frame, int timeout, switch_io_flag flags)
{
struct private_object *tech_pvt;
switch_channel *channel = NULL;
switch_status status = SWITCH_STATUS_SUCCESS;
size_t x, bytes, samples, ms, frames;
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
tech_pvt = switch_core_session_get_private(session);
assert(tech_pvt != NULL);
if (!switch_test_flag(tech_pvt, TFLAG_RTP)) {
activate_rtp(tech_pvt);
}
if (!switch_test_flag(tech_pvt, TFLAG_IO)) {
return SWITCH_STATUS_SUCCESS;
}
if (switch_test_flag(tech_pvt, TFLAG_BYE)) {
switch_channel_hangup(channel);
return SWITCH_STATUS_FALSE;
}
switch_set_flag(tech_pvt, TFLAG_WRITING);
//switch_mutex_lock(tech_pvt->rtp_lock);
if (switch_test_flag(tech_pvt, TFLAG_USING_CODEC)) {
bytes = tech_pvt->read_codec.implementation->encoded_bytes_per_frame;
frames = (frame->datalen / bytes);
samples = frames * tech_pvt->read_codec.implementation->samples_per_frame;
ms = frames * tech_pvt->read_codec.implementation->nanoseconds_per_frame / 1000;
} else {
assert(0);
}
tech_pvt->timestamp_send += (int)samples;
//printf("%s %s->%s send %d bytes %d samples in %d frames taking up %d ms ts=%d\n", switch_channel_get_name(channel), tech_pvt->local_sdp_audio_ip, tech_pvt->remote_sdp_audio_ip, frame->datalen, samples, frames, ms, tech_pvt->timestamp_recv);
rtp_send_ctrl(tech_pvt->rtp_session, tech_pvt->timestamp_send, NULL);
x = rtp_send_data(tech_pvt->rtp_session, tech_pvt->timestamp_send, tech_pvt->payload_num,
0, 0, 0,
(char *)frame->data, (int)frame->datalen,
0, 0, 0);
switch_clear_flag(tech_pvt, TFLAG_WRITING);
//switch_mutex_unlock(tech_pvt->rtp_lock);
return status;
}
static switch_status exosip_kill_channel(switch_core_session *session, int sig)
{
struct private_object *tech_pvt;
switch_channel *channel = NULL;
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
tech_pvt = switch_core_session_get_private(session);
assert(tech_pvt != NULL);
switch_clear_flag(tech_pvt, TFLAG_IO);
switch_set_flag(tech_pvt, TFLAG_BYE);
//rtp_kill(tech_pvt->rtp_session);
return SWITCH_STATUS_SUCCESS;
}
static switch_status exosip_waitfor_read(switch_core_session *session, int ms)
{
struct private_object *tech_pvt;
switch_channel *channel = NULL;
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
tech_pvt = switch_core_session_get_private(session);
assert(tech_pvt != NULL);
return SWITCH_STATUS_SUCCESS;
}
static switch_status exosip_waitfor_write(switch_core_session *session, int ms)
{
struct private_object *tech_pvt;
switch_channel *channel = NULL;
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
tech_pvt = switch_core_session_get_private(session);
assert(tech_pvt != NULL);
return SWITCH_STATUS_SUCCESS;
}
static const switch_io_routines exosip_io_routines = {
/*.outgoing_channel*/ exosip_outgoing_channel,
/*.answer_channel*/ exosip_answer_channel,
/*.read_frame*/ exosip_read_frame,
/*.write_frame*/ exosip_write_frame,
/*.kill_channel*/ exosip_kill_channel,
/*.waitfor_read*/ exosip_waitfor_read,
/*.waitfor_read*/ exosip_waitfor_write
};
static const switch_event_handler_table exosip_event_handlers = {
/*.on_init*/ exosip_on_init,
/*.on_ring*/ exosip_on_ring,
/*.on_execute*/ exosip_on_execute,
/*.on_hangup*/ exosip_on_hangup,
/*.on_loopback*/ exosip_on_loopback,
/*.on_transmit*/ exosip_on_transmit
};
static const switch_endpoint_interface exosip_endpoint_interface = {
/*.interface_name*/ "exosip",
/*.io_routines*/ &exosip_io_routines,
/*.event_handlers*/ &exosip_event_handlers,
/*.private*/ NULL,
/*.next*/ NULL
};
static const switch_loadable_module_interface exosip_module_interface = {
/*.module_name*/ modname,
/*.endpoint_interface*/ &exosip_endpoint_interface,
/*.timer_interface*/ NULL,
/*.dialplan_interface*/ NULL,
/*.codec_interface*/ NULL,
/*.application_interface*/ NULL
};
SWITCH_MOD_DECLARE(switch_status) switch_module_shutdown(void)
{
if (globals.running) {
globals.running = -1;
while(globals.running) {
switch_yield(1000);
}
}
eXosip_quit();
return SWITCH_STATUS_SUCCESS;
}
SWITCH_MOD_DECLARE(switch_status) switch_module_load(const switch_loadable_module_interface **_interface, char *filename) {
/* NOTE: **interface is **_interface because the common lib redefines interface to struct in some situations */
if (switch_core_new_memory_pool(&module_pool) != SWITCH_STATUS_SUCCESS) {
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "OH OH no pool\n");
return SWITCH_STATUS_TERM;
}
/* connect my internal structure to the blank pointer passed to me */
*_interface = &exosip_module_interface;
/* indicate that the module should continue to be loaded */
return SWITCH_STATUS_SUCCESS;
}
static switch_status exosip_create_call(eXosip_event_t *event)
{
switch_core_session *session;
sdp_message_t *remote_sdp = NULL;
sdp_connection_t *conn = NULL;
sdp_media_t *remote_med = NULL, *audio_tab[10], *video_tab[10], *t38_tab[10], *app_tab[10];
char local_sdp_str[8192] = "", port[8] = "";
int mline = 0, pos = 0;
switch_channel *channel = NULL;
char name[128];
char *dpayload, *dname, *drate;
char *remote_sdp_str = NULL;
if ((session = switch_core_session_request(&exosip_endpoint_interface, NULL))) {
struct private_object *tech_pvt;
switch_codec_interface *codecs[512];
int num_codecs = 0;
switch_core_session_add_stream(session, NULL);
if ((tech_pvt = (struct private_object *) switch_core_session_alloc(session, sizeof(struct private_object)))) {
memset(tech_pvt, 0, sizeof(*tech_pvt));
channel = switch_core_session_get_channel(session);
switch_core_session_set_private(session, tech_pvt);
tech_pvt->session = session;
//switch_mutex_init(&tech_pvt->rtp_lock, SWITCH_MUTEX_NESTED, switch_core_session_get_pool(session));
} else {
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "Hey where is my memory pool?\n");
switch_core_session_destroy(&session);
return SWITCH_STATUS_MEMERR;
}
if ((tech_pvt->caller_profile = switch_caller_profile_new(session,
globals.dialplan,
event->request->from->displayname,
event->request->from->url->username,
event->request->from->url->username,
NULL,
event->request->req_uri->username))) {
switch_channel_set_caller_profile(channel, tech_pvt->caller_profile);
}
switch_set_flag(tech_pvt, TFLAG_INBOUND);
tech_pvt->did = event->did;
tech_pvt->cid = event->cid;
tech_pvt->tid = event->tid;
snprintf(name, sizeof(name), "Exosip/%s-%04x", tech_pvt->caller_profile->destination_number, rand() & 0xffff);
switch_channel_set_name(channel, name);
if (!(remote_sdp = eXosip_get_sdp_info(event->request))) {
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "Cannot Find Remote SDP!\n");
exosip_on_hangup(session);
switch_core_session_destroy(&session);
return SWITCH_STATUS_GENERR;
}
eXosip_guess_localip(AF_INET, tech_pvt->local_sdp_audio_ip, 50);
tech_pvt->local_sdp_audio_port = next_rtp_port();
osip_rfc3264_init(&tech_pvt->sdp_config);
/* Add in what codecs we support locally */
if ((num_codecs = loadable_module_get_codecs(switch_core_session_get_pool(session), codecs, sizeof(codecs)/sizeof(codecs[0]))) > 0) {
int i;
static const switch_codec_implementation *imp;
for (i = 0; i < num_codecs; i++) {
int x = 0;
for (imp = codecs[i]->implementations ; imp ; imp = imp->next) {
sdp_add_codec(tech_pvt->sdp_config, codecs[i]->codec_type, codecs[i]->ianacode, codecs[i]->iananame, imp->samples_per_second, x++);
}
}
}
osip_rfc3264_prepare_answer(tech_pvt->sdp_config, remote_sdp, local_sdp_str, 8192);
sdp_message_init(&tech_pvt->local_sdp);
sdp_message_parse(tech_pvt->local_sdp, local_sdp_str);
sdp_message_to_str(remote_sdp, &remote_sdp_str);
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "LOCAL SDP:\n%s\nREMOTE SDP:\n%s", local_sdp_str,remote_sdp_str);
mline = 0;
while (0==osip_rfc3264_match(tech_pvt->sdp_config, remote_sdp, audio_tab, video_tab, t38_tab, app_tab, mline)) {
if (audio_tab[0] == NULL && video_tab[0] == NULL && t38_tab[0] == NULL && app_tab[0] == NULL) {
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "Got no compatible codecs!\n");
break;
}
for (pos=0; audio_tab[pos]!=NULL; pos++) {
osip_rfc3264_complete_answer(tech_pvt->sdp_config, remote_sdp, tech_pvt->local_sdp, audio_tab[pos], mline);
if (parse_sdp_media(audio_tab[pos], &dname, &drate, &dpayload) == SWITCH_STATUS_SUCCESS) {
tech_pvt->payload_num = atoi(dpayload);
break;
}
}
mline++;
}
free(remote_sdp_str);
sdp_message_o_origin_set(tech_pvt->local_sdp, "OpenSWITCH2", "0", "0", "IN", "IP4", tech_pvt->local_sdp_audio_ip);
sdp_message_s_name_set(tech_pvt->local_sdp, "SIP Call");
sdp_message_c_connection_add(tech_pvt->local_sdp, -1, "IN", "IP4", tech_pvt->local_sdp_audio_ip, NULL, NULL);
snprintf(port, sizeof(port), "%i", tech_pvt->local_sdp_audio_port);
sdp_message_m_port_set(tech_pvt->local_sdp, 0, osip_strdup(port));
conn = eXosip_get_audio_connection(remote_sdp);
remote_med = eXosip_get_audio_media(remote_sdp);
snprintf(tech_pvt->remote_sdp_audio_ip, 50, conn->c_addr);
tech_pvt->remote_sdp_audio_port = atoi(remote_med->m_port);
snprintf(tech_pvt->call_id, sizeof(tech_pvt->call_id), "%d", event->cid);
switch_core_hash_insert(globals.call_hash, tech_pvt->call_id, tech_pvt);
if (!dname) {
exosip_on_hangup(session);
switch_core_session_destroy(&session);
return SWITCH_STATUS_GENERR;
}
switch_channel_set_state(channel, CS_INIT);
if (1) {
int rate = atoi(drate);
if (switch_core_codec_init(&tech_pvt->read_codec,
dname,
rate,
globals.codec_ms,
SWITCH_CODEC_FLAG_ENCODE | SWITCH_CODEC_FLAG_DECODE,
NULL) != SWITCH_STATUS_SUCCESS) {
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "Can't load codec?\n");
switch_channel_hangup(channel);
return SWITCH_STATUS_FALSE;
} else {
if (switch_core_codec_init(&tech_pvt->write_codec,
dname,
rate,
globals.codec_ms,
SWITCH_CODEC_FLAG_ENCODE | SWITCH_CODEC_FLAG_DECODE,
NULL) != SWITCH_STATUS_SUCCESS) {
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "Can't load codec?\n");
switch_channel_hangup(channel);
return SWITCH_STATUS_FALSE;
} else {
int ms;
switch_set_flag(tech_pvt, TFLAG_USING_CODEC);
ms = tech_pvt->write_codec.implementation->nanoseconds_per_frame / 1000;
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "Activate Inbound Codec %s/%d %d ms\n", dname, rate, ms);
tech_pvt->read_frame.codec = &tech_pvt->read_codec;
switch_core_session_set_read_codec(session, &tech_pvt->read_codec);
switch_core_session_set_write_codec(session, &tech_pvt->write_codec);
}
}
}
switch_core_session_thread_launch(session);
} else {
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "Cannot Create new Inbound Channel!\n");
}
return 0;
}
static void destroy_call_by_event(eXosip_event_t *event)
{
struct private_object *tech_pvt;
switch_channel *channel = NULL;
if (!(tech_pvt = get_pvt_by_call_id(event->cid))) {
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "Um in case you are interested, Can't find the pvt [%d]!\n", event->cid);
return;
}
channel = switch_core_session_get_channel(tech_pvt->session);
assert(channel != NULL);
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "destroy %s\n", switch_channel_get_name(channel));
exosip_kill_channel(tech_pvt->session, SWITCH_SIG_KILL);
switch_channel_hangup(channel);
}
static switch_status parse_sdp_media(sdp_media_t *media, char **dname, char **drate, char **dpayload)
{
int pos = 0;
sdp_attribute_t *attr = NULL;
char *name, *rate, *payload;
switch_status status = SWITCH_STATUS_GENERR;
while (osip_list_eol(media->a_attributes, pos) == 0) {
attr = (sdp_attribute_t *)osip_list_get(media->a_attributes, pos);
if (attr != NULL && strcasecmp(attr->a_att_field, "rtpmap") == 0) {
payload = attr->a_att_value;
if ((name = strchr(payload, ' '))) {
*(name++) = '\0';
/* Name and payload are required */
*dpayload = strdup(payload);
status = SWITCH_STATUS_SUCCESS;
if ((rate = strchr(name, '/'))) {
*(rate++) = '\0';
*drate = strdup(rate);
*dname = strdup(name);
} else {
*dname = strdup(name);
*drate = strdup("8000");
}
} else {
*dpayload = strdup("10");
*dname = strdup("L16");
*drate = strdup("8000");
}
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "Found negotiated codec Payload: %s Name: %s Rate: %s\n", *dpayload, *dname, *drate);
break;
}
attr = NULL;
pos++;
}
return status;
}
static void handle_answer(eXosip_event_t *event)
{
osip_message_t *ack = NULL;
sdp_message_t *remote_sdp = NULL;
sdp_connection_t *conn = NULL;
sdp_media_t *remote_med = NULL;
struct private_object *tech_pvt;
char *dpayload = NULL, *dname = NULL, *drate = NULL;
switch_channel *channel;
if (!(tech_pvt = get_pvt_by_call_id(event->cid))) {
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "Um in case you are interested, Can't find the pvt!\n");
return;
}
channel = switch_core_session_get_channel(tech_pvt->session);
assert(channel != NULL);
if (!event->response) {
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "Someone answered... with no SDP information - WTF?!?\n");
switch_channel_hangup(channel);
return;
}
/* Get all of the remote SDP elements... stuff */
if (!(remote_sdp = eXosip_get_sdp_info(event->response))) {
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "Cant Find SDP?\n");
switch_channel_hangup(channel);
return;
}
conn = eXosip_get_audio_connection(remote_sdp);
remote_med = eXosip_get_audio_media(remote_sdp);
/* Grab IP/port */
tech_pvt->remote_sdp_audio_port = atoi(remote_med->m_port);
snprintf(tech_pvt->remote_sdp_audio_ip, 50, conn->c_addr);
/* Grab codec elements */
if (parse_sdp_media(remote_med, &dname, &drate, &dpayload) == SWITCH_STATUS_SUCCESS) {
tech_pvt->payload_num = atoi(dpayload);
}
/* Assign them thar IDs */
tech_pvt->did = event->did;
tech_pvt->tid = event->tid;
if (1) {
int rate = atoi(drate);
if (switch_core_codec_init(&tech_pvt->read_codec, dname, rate, globals.codec_ms, SWITCH_CODEC_FLAG_ENCODE | SWITCH_CODEC_FLAG_DECODE, NULL) != SWITCH_STATUS_SUCCESS) {
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "Can't load codec?\n");
switch_channel_hangup(channel);
return;
} else {
if (switch_core_codec_init(&tech_pvt->write_codec, dname, rate, globals.codec_ms, SWITCH_CODEC_FLAG_ENCODE |SWITCH_CODEC_FLAG_DECODE, NULL) != SWITCH_STATUS_SUCCESS) {
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "Can't load codec?\n");
switch_channel_hangup(channel);
return;
} else {
int ms;
switch_set_flag(tech_pvt, TFLAG_USING_CODEC);
ms = tech_pvt->write_codec.implementation->nanoseconds_per_frame / 1000;
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "Activate Outbound Codec %s/%d %d ms\n", dname, rate, 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);
}
}
}
eXosip_lock();
eXosip_call_build_ack(event->did, &ack);
eXosip_call_send_ack(event->did, ack);
eXosip_unlock();
free(dname);
free(drate);
free(dpayload);
channel = switch_core_session_get_channel(tech_pvt->session);
assert(channel != NULL);
switch_channel_answer(channel);
}
static void log_event(eXosip_event_t *je)
{
char buf[100];
buf[0] = '\0';
if (je->type == EXOSIP_CALL_NOANSWER) {
snprintf (buf, 99, "<- (%i %i) No answer", je->cid, je->did);
} else if (je->type == EXOSIP_CALL_CLOSED) {
snprintf (buf, 99, "<- (%i %i) Call Closed", je->cid, je->did);
} else if (je->type == EXOSIP_CALL_RELEASED) {
snprintf (buf, 99, "<- (%i %i) Call released", je->cid, je->did);
} else if (je->type == EXOSIP_MESSAGE_NEW
&& je->request!=NULL && MSG_IS_MESSAGE(je->request)) {
char *tmp = NULL;
if (je->request != NULL) {
osip_body_t *body;
osip_from_to_str (je->request->from, &tmp);
osip_message_get_body (je->request, 0, &body);
if (body != NULL && body->body != NULL) {
snprintf (buf, 99, "<- (%i) from: %s TEXT: %s",
je->tid, tmp, body->body);
}
osip_free (tmp);
} else {
snprintf (buf, 99, "<- (%i) New event for unknown request?", je->tid);
}
} else if (je->type == EXOSIP_MESSAGE_NEW) {
char *tmp = NULL;
osip_from_to_str (je->request->from, &tmp);
snprintf (buf, 99, "<- (%i) %s from: %s",
je->tid, je->request->sip_method, tmp);
osip_free (tmp);
} else if (je->type == EXOSIP_MESSAGE_PROCEEDING
|| je->type == EXOSIP_MESSAGE_ANSWERED
|| je->type == EXOSIP_MESSAGE_REDIRECTED
|| je->type == EXOSIP_MESSAGE_REQUESTFAILURE
|| je->type == EXOSIP_MESSAGE_SERVERFAILURE
|| je->type == EXOSIP_MESSAGE_GLOBALFAILURE) {
if (je->response != NULL && je->request != NULL) {
char *tmp = NULL;
osip_to_to_str (je->request->to, &tmp);
snprintf (buf, 99, "<- (%i) [%i %s for %s] to: %s",
je->tid, je->response->status_code,
je->response->reason_phrase, je->request->sip_method, tmp);
osip_free (tmp);
} else if (je->request != NULL) {
snprintf (buf, 99, "<- (%i) Error for %s request",
je->tid, je->request->sip_method);
} else {
snprintf (buf, 99, "<- (%i) Error for unknown request", je->tid);
}
} else if (je->response == NULL && je->request != NULL && je->cid > 0) {
char *tmp = NULL;
osip_from_to_str (je->request->from, &tmp);
snprintf (buf, 99, "<- (%i %i) %s from: %s",
je->cid, je->did, je->request->cseq->method, tmp);
osip_free (tmp);
} else if (je->response != NULL && je->cid > 0) {
char *tmp = NULL;
osip_to_to_str (je->request->to, &tmp);
snprintf (buf, 99, "<- (%i %i) [%i %s] for %s to: %s",
je->cid, je->did, je->response->status_code,
je->response->reason_phrase, je->request->sip_method, tmp);
osip_free (tmp);
} else if (je->response == NULL && je->request != NULL && je->rid > 0) {
char *tmp = NULL;
osip_from_to_str (je->request->from, &tmp);
snprintf (buf, 99, "<- (%i) %s from: %s",
je->rid, je->request->cseq->method, tmp);
osip_free (tmp);
} else if (je->response != NULL && je->rid > 0) {
char *tmp = NULL;
osip_from_to_str (je->request->from, &tmp);
snprintf (buf, 99, "<- (%i) [%i %s] from: %s",
je->rid, je->response->status_code,
je->response->reason_phrase, tmp);
osip_free (tmp);
} else if (je->response == NULL && je->request != NULL && je->sid > 0) {
char *tmp = NULL;
char *stat = NULL;
osip_header_t *sub_state;
osip_message_header_get_byname (je->request, "subscription-state",
0, &sub_state);
if (sub_state != NULL && sub_state->hvalue != NULL)
stat = sub_state->hvalue;
osip_uri_to_str (je->request->from->url, &tmp);
snprintf (buf, 99, "<- (%i) [%s] %s from: %s",
je->sid, stat, je->request->cseq->method, tmp);
osip_free (tmp);
} else if (je->response != NULL && je->sid > 0) {
char *tmp = NULL;
osip_uri_to_str (je->request->to->url, &tmp);
snprintf (buf, 99, "<- (%i) [%i %s] from: %s",
je->sid, je->response->status_code,
je->response->reason_phrase, tmp);
osip_free (tmp);
} else if (je->response == NULL && je->request != NULL) {
char *tmp = NULL;
osip_from_to_str (je->request->from, &tmp);
snprintf (buf, 99, "<- (c=%i|d=%i|s=%i|n=%i) %s from: %s",
je->cid, je->did, je->sid, je->nid,
je->request->sip_method, tmp);
osip_free (tmp);
} else if (je->response != NULL) {
char *tmp = NULL;
osip_from_to_str (je->request->from, &tmp);
snprintf (buf, 99, "<- (c=%i|d=%i|s=%i|n=%i) [%i %s] for %s from: %s",
je->cid, je->did, je->sid, je->nid,
je->response->status_code, je->response->reason_phrase,
je->request->sip_method, tmp);
osip_free (tmp);
} else {
snprintf (buf, 99, "<- (c=%i|d=%i|s=%i|n=%i|t=%i) %s",
je->cid, je->did, je->sid, je->nid, je->tid, je->textinfo);
}
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "\n%s\n", buf);
/* Print it out */
}
static void *monitor_thread_run(void)
{
eXosip_event_t *event = NULL;
globals.running = 1;
while (globals.running > 0) {
if (!(event = eXosip_event_wait(0,100))) {
switch_yield(100);
continue;
}
eXosip_lock();
eXosip_automatic_action ();
eXosip_unlock();
log_event(event);
switch(event->type) {
case EXOSIP_CALL_INVITE:
exosip_create_call(event);
break;
case EXOSIP_CALL_REINVITE:
/* See what the reinvite is about - on hold or whatever */
//handle_reinvite(event);
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "Got a reinvite.\n");
break;
case EXOSIP_CALL_MESSAGE_NEW:
if (event->request != NULL && MSG_IS_REFER(event->request)) {
//handle_call_transfer(event);
}
break;
case EXOSIP_CALL_ACK:
/* If audio is not flowing and this has SDP - fire it up! */
break;
case EXOSIP_CALL_ANSWERED:
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "The call was answered.\n");
handle_answer(event);
break;
case EXOSIP_CALL_PROCEEDING:
/* This is like a 100 Trying... yeah */
break;
case EXOSIP_CALL_RINGING:
//handle_ringing(event);
break;
case EXOSIP_CALL_REDIRECTED:
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "Call was redirect\n");
break;
case EXOSIP_CALL_CLOSED:
destroy_call_by_event(event);
break;
case EXOSIP_CALL_RELEASED:
destroy_call_by_event(event);
break;
case EXOSIP_CALL_NOANSWER:
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "The call was not answered.\n");
destroy_call_by_event(event);
break;
case EXOSIP_CALL_REQUESTFAILURE:
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "Request failure\n");
destroy_call_by_event(event);
break;
case EXOSIP_CALL_SERVERFAILURE:
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "Server failure\n");
destroy_call_by_event(event);
break;
case EXOSIP_CALL_GLOBALFAILURE:
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "Global failure\n");
destroy_call_by_event(event);
break;
/* Registration related stuff */
case EXOSIP_REGISTRATION_NEW:
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "Received registration attempt\n");
break;
default:
/* Unknown event... casually absorb it for now */
break;
}
//switch_console_printf(SWITCH_CHANNEL_CONSOLE, "There was an event (%d) [%s]\n", event->type, event->textinfo);
/* Free the event */
eXosip_event_free(event);
}
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "Monitor Thread Exiting\n");
globals.running = 0;
return NULL;
}
static int config_exosip(int reload)
{
switch_config cfg;
char *var, *val;
char *cf = "exosip.conf";
globals.bytes_per_frame = DEFAULT_BYTES_PER_FRAME;
switch_core_hash_init(&globals.call_hash, module_pool);
if (!switch_config_open_file(&cfg, cf)) {
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "open of %s failed\n", cf);
return SWITCH_STATUS_TERM;
}
globals.rtp_start = 16384;
globals.rtp_end = 32768;
while (switch_config_next_pair(&cfg, &var, &val)) {
if (!strcasecmp(cfg.category, "settings")) {
if (!strcmp(var, "debug")) {
globals.debug = atoi(val);
} else if (!strcmp(var, "port")) {
globals.port = atoi(val);
} else if (!strcmp(var, "dialplan")) {
set_global_dialplan(val);
} else if (!strcmp(var, "rtp_min_port")) {
globals.rtp_start = atoi(val);
} else if (!strcmp(var, "rtp_max_port")) {
globals.rtp_end = atoi(val);
} else if (!strcmp(var, "codec_ms")) {
globals.codec_ms = atoi(val);
}
}
}
if (!globals.codec_ms) {
globals.codec_ms = 20;
}
if (!globals.port) {
globals.port = 5060;
}
switch_config_close_file(&cfg);
if (!globals.dialplan) {
set_global_dialplan("default");
}
if (eXosip_init ()) {
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "eXosip_init initialization failed!\n");
return SWITCH_STATUS_GENERR;
}
if (eXosip_listen_addr (IPPROTO_UDP, NULL, globals.port, AF_INET, 0)) {
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "eXosip_listen_addr failed!\n");
return SWITCH_STATUS_GENERR;
}
switch_mutex_init(&globals.port_lock, SWITCH_MUTEX_NESTED, module_pool);
/* Setup the user agent */
eXosip_set_user_agent("OPENSWITCH 2.0");
monitor_thread_run();
return 0;
}
SWITCH_MOD_DECLARE(switch_status) switch_module_runtime(void)
{
config_exosip(0);
return SWITCH_STATUS_TERM;
}
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