static pj_status_t init_stack()
{
pj_sockaddr addr;
pjsip_inv_callback inv_cb;
pj_status_t status;
pj_log_set_level(5);
status = pj_init();
CHECK_STATUS();
pj_log_set_level(3);
status = pjlib_util_init();
CHECK_STATUS();
pj_caching_pool_init(&app.cp, NULL, 0);
app.pool = pj_pool_create( &app.cp.factory, "sipecho", 512, 512, 0);
status = pjsip_endpt_create(&app.cp.factory, NULL, &app.sip_endpt);
CHECK_STATUS();
pj_log_set_level(4);
pj_sockaddr_init(AF, &addr, NULL, (pj_uint16_t)SIP_PORT);
if (AF == pj_AF_INET()) {
status = pjsip_udp_transport_start( app.sip_endpt, &addr.ipv4, NULL,
1, NULL);
} else if (AF == pj_AF_INET6()) {
status = pjsip_udp_transport_start6(app.sip_endpt, &addr.ipv6, NULL,
1, NULL);
} else {
status = PJ_EAFNOTSUP;
}
pj_log_set_level(3);
CHECK_STATUS();
status = pjsip_tsx_layer_init_module(app.sip_endpt) ||
pjsip_ua_init_module( app.sip_endpt, NULL );
CHECK_STATUS();
pj_bzero(&inv_cb, sizeof(inv_cb));
inv_cb.on_state_changed = &call_on_state_changed;
inv_cb.on_new_session = &call_on_forked;
inv_cb.on_media_update = &call_on_media_update;
inv_cb.on_rx_offer = &call_on_rx_offer;
status = pjsip_inv_usage_init(app.sip_endpt, &inv_cb) ||
pjsip_100rel_init_module(app.sip_endpt) ||
pjsip_endpt_register_module( app.sip_endpt, &mod_sipecho) ||
pjsip_endpt_register_module( app.sip_endpt, &msg_logger) ||
//pjmedia_endpt_create(&app.cp.factory,
// pjsip_endpt_get_ioqueue(app.sip_endpt),
// 0, &app.med_endpt) ||
pj_thread_create(app.pool, "sipecho", &worker_proc, NULL, 0, 0,
&app.worker_thread);
CHECK_STATUS();
return PJ_SUCCESS;
}
int inv_offer_answer_test(void)
{
unsigned i;
int rc = 0;
/* Init UA layer */
if (pjsip_ua_instance()->id == -1) {
pjsip_ua_init_param ua_param;
pj_bzero(&ua_param, sizeof(ua_param));
ua_param.on_dlg_forked = &on_dlg_forked;
pjsip_ua_init_module(endpt, &ua_param);
}
/* Init inv-usage */
if (pjsip_inv_usage_instance()->id == -1) {
pjsip_inv_callback inv_cb;
pj_bzero(&inv_cb, sizeof(inv_cb));
inv_cb.on_media_update = &on_media_update;
inv_cb.on_rx_offer = &on_rx_offer;
inv_cb.on_create_offer = &on_create_offer;
inv_cb.on_state_changed = &on_state_changed;
inv_cb.on_new_session = &on_new_session;
pjsip_inv_usage_init(endpt, &inv_cb);
}
/* 100rel module */
pjsip_100rel_init_module(endpt);
/* Our module */
pjsip_endpt_register_module(endpt, &mod_inv_oa_test);
pjsip_endpt_register_module(endpt, &mod_msg_logger);
/* Create SIP UDP transport */
{
pj_sockaddr_in addr;
pjsip_transport *tp;
pj_status_t status;
pj_sockaddr_in_init(&addr, NULL, PORT);
status = pjsip_udp_transport_start(endpt, &addr, NULL, 1, &tp);
pj_assert(status == PJ_SUCCESS);
}
/* Do tests */
for (i=0; i<PJ_ARRAY_SIZE(test_params); ++i) {
rc = perform_test(&test_params[i]);
if (rc != 0)
goto on_return;
}
on_return:
return rc;
}
/*
* main()
*
* If called with argument, treat argument as SIP URL to be called.
* Otherwise wait for incoming calls.
*/
int main(int argc, char *argv[])
{
pj_pool_t *pool = NULL;
pj_status_t status;
unsigned i;
/* Must init PJLIB first: */
status = pj_init();
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
pj_log_set_level(5);
/* Then init PJLIB-UTIL: */
status = pjlib_util_init();
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/* Must create a pool factory before we can allocate any memory. */
pj_caching_pool_init(&cp, &pj_pool_factory_default_policy, 0);
/* Create global endpoint: */
{
const pj_str_t *hostname;
const char *endpt_name;
/* Endpoint MUST be assigned a globally unique name.
* The name will be used as the hostname in Warning header.
*/
/* For this implementation, we'll use hostname for simplicity */
hostname = pj_gethostname();
endpt_name = hostname->ptr;
/* Create the endpoint: */
status = pjsip_endpt_create(&cp.factory, endpt_name,
&g_endpt);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
}
/*
* Add UDP transport, with hard-coded port
* Alternatively, application can use pjsip_udp_transport_attach() to
* start UDP transport, if it already has an UDP socket (e.g. after it
* resolves the address with STUN).
*/
{
pj_sockaddr addr;
pj_sockaddr_init(AF, &addr, NULL, (pj_uint16_t)SIP_PORT);
if (AF == pj_AF_INET()) {
status = pjsip_udp_transport_start( g_endpt, &addr.ipv4, NULL,
1, NULL);
} else if (AF == pj_AF_INET6()) {
status = pjsip_udp_transport_start6(g_endpt, &addr.ipv6, NULL,
1, NULL);
} else {
status = PJ_EAFNOTSUP;
}
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to start UDP transport", status);
return 1;
}
}
/*
* Init transaction layer.
* This will create/initialize transaction hash tables etc.
*/
status = pjsip_tsx_layer_init_module(g_endpt);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/*
* Initialize UA layer module.
* This will create/initialize dialog hash tables etc.
*/
status = pjsip_ua_init_module( g_endpt, NULL );
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/*
* Init invite session module.
* The invite session module initialization takes additional argument,
* i.e. a structure containing callbacks to be called on specific
* occurence of events.
*
* The on_state_changed and on_new_session callbacks are mandatory.
* Application must supply the callback function.
*
* We use on_media_update() callback in this application to start
* media transmission.
*/
{
pjsip_inv_callback inv_cb;
/* Init the callback for INVITE session: */
pj_bzero(&inv_cb, sizeof(inv_cb));
inv_cb.on_state_changed = &call_on_state_changed;
inv_cb.on_new_session = &call_on_forked;
inv_cb.on_media_update = &call_on_media_update;
/* Initialize invite session module: */
status = pjsip_inv_usage_init(g_endpt, &inv_cb);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
}
/* Initialize 100rel support */
status = pjsip_100rel_init_module(g_endpt);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, status);
/*
* Register our module to receive incoming requests.
*/
status = pjsip_endpt_register_module( g_endpt, &mod_simpleua);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/*
* Register message logger module.
*/
status = pjsip_endpt_register_module( g_endpt, &msg_logger);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/*
* Initialize media endpoint.
* This will implicitly initialize PJMEDIA too.
*/
#if PJ_HAS_THREADS
status = pjmedia_endpt_create(&cp.factory, NULL, 1, &g_med_endpt);
#else
status = pjmedia_endpt_create(&cp.factory,
pjsip_endpt_get_ioqueue(g_endpt),
0, &g_med_endpt);
#endif
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/*
* Add PCMA/PCMU codec to the media endpoint.
*/
#if defined(PJMEDIA_HAS_G711_CODEC) && PJMEDIA_HAS_G711_CODEC!=0
status = pjmedia_codec_g711_init(g_med_endpt);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
#endif
#if defined(PJMEDIA_HAS_VIDEO) && (PJMEDIA_HAS_VIDEO != 0)
/* Init video subsystem */
pool = pjmedia_endpt_create_pool(g_med_endpt, "Video subsystem", 512, 512);
status = pjmedia_video_format_mgr_create(pool, 64, 0, NULL);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
status = pjmedia_converter_mgr_create(pool, NULL);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
status = pjmedia_vid_codec_mgr_create(pool, NULL);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
status = pjmedia_vid_dev_subsys_init(&cp.factory);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
# if defined(PJMEDIA_HAS_FFMPEG_VID_CODEC) && PJMEDIA_HAS_FFMPEG_VID_CODEC!=0
/* Init ffmpeg video codecs */
status = pjmedia_codec_ffmpeg_vid_init(NULL, &cp.factory);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
# endif /* PJMEDIA_HAS_FFMPEG_VID_CODEC */
#endif /* PJMEDIA_HAS_VIDEO */
/*
* Create media transport used to send/receive RTP/RTCP socket.
* One media transport is needed for each call. Application may
* opt to re-use the same media transport for subsequent calls.
*/
for (i = 0; i < PJ_ARRAY_SIZE(g_med_transport); ++i) {
status = pjmedia_transport_udp_create3(g_med_endpt, AF, NULL, NULL,
RTP_PORT + i*2, 0,
&g_med_transport[i]);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to create media transport", status);
return 1;
}
/*
* Get socket info (address, port) of the media transport. We will
* need this info to create SDP (i.e. the address and port info in
* the SDP).
*/
pjmedia_transport_info_init(&g_med_tpinfo[i]);
pjmedia_transport_get_info(g_med_transport[i], &g_med_tpinfo[i]);
pj_memcpy(&g_sock_info[i], &g_med_tpinfo[i].sock_info,
sizeof(pjmedia_sock_info));
}
/*
* If URL is specified, then make call immediately.
*/
if (argc > 1) {
pj_sockaddr hostaddr;
char hostip[PJ_INET6_ADDRSTRLEN+2];
char temp[80];
pj_str_t dst_uri = pj_str(argv[1]);
pj_str_t local_uri;
pjsip_dialog *dlg;
pjmedia_sdp_session *local_sdp;
pjsip_tx_data *tdata;
if (pj_gethostip(AF, &hostaddr) != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to retrieve local host IP", status);
return 1;
}
pj_sockaddr_print(&hostaddr, hostip, sizeof(hostip), 2);
pj_ansi_sprintf(temp, "<sip:simpleuac@%s:%d>",
hostip, SIP_PORT);
local_uri = pj_str(temp);
/* Create UAC dialog */
status = pjsip_dlg_create_uac( pjsip_ua_instance(),
&local_uri, /* local URI */
&local_uri, /* local Contact */
&dst_uri, /* remote URI */
&dst_uri, /* remote target */
&dlg); /* dialog */
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to create UAC dialog", status);
return 1;
}
/* If we expect the outgoing INVITE to be challenged, then we should
* put the credentials in the dialog here, with something like this:
*
{
pjsip_cred_info cred[1];
cred[0].realm = pj_str("sip.server.realm");
cred[0].scheme = pj_str("digest");
cred[0].username = pj_str("theuser");
cred[0].data_type = PJSIP_CRED_DATA_PLAIN_PASSWD;
cred[0].data = pj_str("thepassword");
pjsip_auth_clt_set_credentials( &dlg->auth_sess, 1, cred);
}
*
*/
/* Get the SDP body to be put in the outgoing INVITE, by asking
* media endpoint to create one for us.
*/
status = pjmedia_endpt_create_sdp( g_med_endpt, /* the media endpt */
dlg->pool, /* pool. */
MAX_MEDIA_CNT, /* # of streams */
g_sock_info, /* RTP sock info */
&local_sdp); /* the SDP result */
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/* Create the INVITE session, and pass the SDP returned earlier
* as the session's initial capability.
*/
status = pjsip_inv_create_uac( dlg, local_sdp, 0, &g_inv);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/* If we want the initial INVITE to travel to specific SIP proxies,
* then we should put the initial dialog's route set here. The final
* route set will be updated once a dialog has been established.
* To set the dialog's initial route set, we do it with something
* like this:
*
{
pjsip_route_hdr route_set;
pjsip_route_hdr *route;
const pj_str_t hname = { "Route", 5 };
char *uri = "sip:proxy.server;lr";
pj_list_init(&route_set);
route = pjsip_parse_hdr( dlg->pool, &hname,
uri, strlen(uri),
NULL);
PJ_ASSERT_RETURN(route != NULL, 1);
pj_list_push_back(&route_set, route);
pjsip_dlg_set_route_set(dlg, &route_set);
}
*
* Note that Route URI SHOULD have an ";lr" parameter!
*/
/* Create initial INVITE request.
* This INVITE request will contain a perfectly good request and
* an SDP body as well.
*/
status = pjsip_inv_invite(g_inv, &tdata);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/* Send initial INVITE request.
* From now on, the invite session's state will be reported to us
* via the invite session callbacks.
*/
status = pjsip_inv_send_msg(g_inv, tdata);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
} else {
/* No URL to make call to */
PJ_LOG(3,(THIS_FILE, "Ready to accept incoming calls..."));
}
/* Loop until one call is completed */
for (;!g_complete;) {
pj_time_val timeout = {0, 10};
pjsip_endpt_handle_events(g_endpt, &timeout);
}
/* On exit, dump current memory usage: */
dump_pool_usage(THIS_FILE, &cp);
/* Destroy audio ports. Destroy the audio port first
* before the stream since the audio port has threads
* that get/put frames to the stream.
*/
if (g_snd_port)
pjmedia_snd_port_destroy(g_snd_port);
#if defined(PJMEDIA_HAS_VIDEO) && (PJMEDIA_HAS_VIDEO != 0)
/* Destroy video ports */
if (g_vid_capturer)
pjmedia_vid_port_destroy(g_vid_capturer);
if (g_vid_renderer)
pjmedia_vid_port_destroy(g_vid_renderer);
#endif
/* Destroy streams */
if (g_med_stream)
pjmedia_stream_destroy(g_med_stream);
#if defined(PJMEDIA_HAS_VIDEO) && (PJMEDIA_HAS_VIDEO != 0)
if (g_med_vstream)
pjmedia_vid_stream_destroy(g_med_vstream);
/* Deinit ffmpeg codec */
# if defined(PJMEDIA_HAS_FFMPEG_VID_CODEC) && PJMEDIA_HAS_FFMPEG_VID_CODEC!=0
pjmedia_codec_ffmpeg_vid_deinit();
# endif
#endif
/* Destroy media transports */
for (i = 0; i < MAX_MEDIA_CNT; ++i) {
if (g_med_transport[i])
pjmedia_transport_close(g_med_transport[i]);
}
/* Deinit pjmedia endpoint */
if (g_med_endpt)
pjmedia_endpt_destroy(g_med_endpt);
/* Deinit pjsip endpoint */
if (g_endpt)
pjsip_endpt_destroy(g_endpt);
/* Release pool */
if (pool)
pj_pool_release(pool);
return 0;
}
/*
* Init SIP stack
*/
static pj_status_t init_sip()
{
pj_status_t status = -1;
/* Add UDP/TCP transport. */
{
pj_sockaddr_in addr;
pjsip_host_port addrname;
const char *transport_type = NULL;
pj_bzero(&addr, sizeof(addr));
addr.sin_family = pj_AF_INET();
addr.sin_addr.s_addr = 0;
addr.sin_port = pj_htons((pj_uint16_t)app.local_port);
if (app.local_addr.slen) {
addrname.host = app.local_addr;
addrname.port = 5060;
}
if (app.local_port != 0)
addrname.port = app.local_port;
if (0) {
#if defined(PJ_HAS_TCP) && PJ_HAS_TCP!=0
} else if (app.use_tcp) {
pj_sockaddr_in local_addr;
pjsip_tpfactory *tpfactory;
transport_type = "tcp";
pj_sockaddr_in_init(&local_addr, 0, (pj_uint16_t)app.local_port);
status = pjsip_tcp_transport_start(app.sip_endpt, &local_addr,
app.thread_count, &tpfactory);
if (status == PJ_SUCCESS) {
app.local_addr = tpfactory->addr_name.host;
app.local_port = tpfactory->addr_name.port;
}
#endif
} else {
pjsip_transport *tp;
transport_type = "udp";
status = pjsip_udp_transport_start(app.sip_endpt, &addr,
(app.local_addr.slen ? &addrname:NULL),
app.thread_count, &tp);
if (status == PJ_SUCCESS) {
app.local_addr = tp->local_name.host;
app.local_port = tp->local_name.port;
}
}
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to start transport", status);
return status;
}
app.local_uri.ptr = pj_pool_alloc(app.pool, 128);
app.local_uri.slen = pj_ansi_sprintf(app.local_uri.ptr,
"<sip:pjsip-perf@%.*s:%d;transport=%s>",
(int)app.local_addr.slen,
app.local_addr.ptr,
app.local_port,
transport_type);
app.local_contact = app.local_uri;
}
/*
* Init transaction layer.
* This will create/initialize transaction hash tables etc.
*/
status = pjsip_tsx_layer_init_module(app.sip_endpt);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, status);
/* Initialize UA layer. */
status = pjsip_ua_init_module( app.sip_endpt, NULL );
PJ_ASSERT_RETURN(status == PJ_SUCCESS, status);
/* Initialize 100rel support */
status = pjsip_100rel_init_module(app.sip_endpt);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, status);
/* Init invite session module. */
{
pjsip_inv_callback inv_cb;
/* Init the callback for INVITE session: */
pj_bzero(&inv_cb, sizeof(inv_cb));
inv_cb.on_state_changed = &call_on_state_changed;
inv_cb.on_new_session = &call_on_forked;
inv_cb.on_media_update = &call_on_media_update;
/* Initialize invite session module: */
status = pjsip_inv_usage_init(app.sip_endpt, &inv_cb);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
}
/* Register our module to receive incoming requests. */
status = pjsip_endpt_register_module( app.sip_endpt, &mod_test);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, status);
/* Register stateless server module */
status = pjsip_endpt_register_module( app.sip_endpt, &mod_stateless_server);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, status);
/* Register default responder module */
status = pjsip_endpt_register_module( app.sip_endpt, &mod_responder);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, status);
/* Register stateless server module */
status = pjsip_endpt_register_module( app.sip_endpt, &mod_stateful_server);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, status);
/* Register call server module */
status = pjsip_endpt_register_module( app.sip_endpt, &mod_call_server);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, status);
/* Done */
return PJ_SUCCESS;
}
/*
Esta función es invocada desde MAIN=>Plugin, al igual que en TCP
Es invocada desde un thread.
Básicamente lo que hace es bootear PJSIP y luego se queda loopeando eventos SIP (con un pseudo polling que tiene la LIB)
Adicionalmente lanza el thread para controlar los eventos TUN
(el tráfico es bidireccional)
*/
int sip_start(int argc,char **argv)
{
pj_status_t status;
/* Must init PJLIB first: */
status = pj_init();
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
pj_log_set_level(5);
/* Then init PJLIB-UTIL: */
status = pjlib_util_init();
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/* Must create a pool factory before we can allocate any memory. */
pj_caching_pool_init(&cp, &pj_pool_factory_default_policy, 0);
/* Create global endpoint: */
{
const pj_str_t *hostname;
const char *endpt_name;
/* Endpoint MUST be assigned a globally unique name.
* The name will be used as the hostname in Warning header.
*/
/* For this implementation, we'll use hostname for simplicity */
hostname = pj_gethostname();
endpt_name = hostname->ptr;
/* Create the endpoint: */
status = pjsip_endpt_create(&cp.factory, endpt_name,
&g_endpt);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
}
/*
* Add UDP transport, with hard-coded port
* Alternatively, application can use pjsip_udp_transport_attach() to
* start UDP transport, if it already has an UDP socket (e.g. after it
* resolves the address with STUN).
*/
{
pj_sockaddr addr;
pj_sockaddr_init(AF, &addr, NULL, (pj_uint16_t)SIP_PORT);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to start UDP transport", status);
return 1;
}
}
/*
* Init transaction layer.
* This will create/initialize transaction hash tables etc.
*/
status = pjsip_tsx_layer_init_module(g_endpt);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/*
* Initialize UA layer module.
* This will create/initialize dialog hash tables etc.
*/
status = pjsip_ua_init_module( g_endpt, NULL );
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/*
Esto seguramente no haga falta nada de esto de INVITE's ...
*/
/*
* Init invite session module.
* The invite session module initialization takes additional argument,
* i.e. a structure containing callbacks to be called on specific
* occurence of events.
*
* The on_state_changed and on_new_session callbacks are mandatory.
* Application must supply the callback function.
*
* We use on_media_update() callback in this application to start
* media transmission.
*/
{
pjsip_inv_callback inv_cb;
/* Init the callback for INVITE session: */
pj_bzero(&inv_cb, sizeof(inv_cb));
inv_cb.on_state_changed = &call_on_state_changed;
inv_cb.on_new_session = &call_on_forked;
// inv_cb.on_media_update = &call_on_media_update;
/* Initialize invite session module: */
status = pjsip_inv_usage_init(g_endpt, &inv_cb);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
}
/* Initialize 100rel support */
status = pjsip_100rel_init_module(g_endpt);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, status);
/*
* Register our module to receive incoming requests.
*/
status = pjsip_endpt_register_module( g_endpt, &mod_simpleua);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/*
* Register message logger module.
*/
status = pjsip_endpt_register_module( g_endpt, &msg_logger);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
debug(1,"SIP Plugin launching thread for looping events");
pthread_create( &sip_plugin_event_thread, NULL, sip_loop_sip_events, NULL);
/*
Aqui es donde estamos esperando a recibir datos del PIPE (que viene del TUN DRIVER)
hacemos I/O BLOCK con select
*/
sip_loop_tun_events();
// Aqui llegamos cuando ha muerto todo ;)
return 0;
}