int test_sipsess(void)
{
struct test test;
struct sa laddr;
char to_uri[256];
int err;
uint16_t port;
memset(&test, 0, sizeof(test));
#ifndef WIN32
/* slurp warnings from SIP (todo: temp) */
(void)freopen("/dev/null", "w", stderr);
#endif
err = sip_alloc(&test.sip, NULL, 32, 32, 32,
"retest", exit_handler, NULL);
if (err)
goto out;
(void)sa_set_str(&laddr, "127.0.0.1", 0);
err = sip_transp_add(test.sip, SIP_TRANSP_UDP, &laddr);
if (err)
goto out;
err = sip_transp_laddr(test.sip, &laddr, SIP_TRANSP_UDP, NULL);
if (err)
goto out;
port = sa_port(&laddr);
err = sipsess_listen(&test.sock, test.sip, 32, conn_handler, &test);
if (err)
goto out;
/* Connect to "b" */
(void)re_snprintf(to_uri, sizeof(to_uri), "sip:[email protected]:%u", port);
err = sipsess_connect(&test.a, test.sock, to_uri, NULL,
"sip:[email protected]", "a", NULL, 0,
"application/sdp", NULL, NULL, NULL, false,
offer_handler, answer_handler, NULL,
estab_handler_a, NULL, NULL,
close_handler, &test, NULL);
if (err)
goto out;
err = re_main_timeout(200);
if (err)
goto out;
if (test.err) {
err = test.err;
goto out;
}
/* okay here -- verify */
TEST_ASSERT(test.estab_a);
TEST_ASSERT(test.estab_b);
out:
test.a = mem_deref(test.a);
test.b = mem_deref(test.b);
sipsess_close_all(test.sock);
test.sock = mem_deref(test.sock);
sip_close(test.sip, false);
test.sip = mem_deref(test.sip);
#ifndef WIN32
/* Restore stderr */
freopen("/dev/tty", "w", stderr);
#endif
return err;
}
/**
* Initialise the User-Agents
*
* @param software SIP User-Agent string
* @param udp Enable UDP transport
* @param tcp Enable TCP transport
* @param tls Enable TLS transport
* @param prefer_ipv6 Prefer IPv6 flag
*
* @return 0 if success, otherwise errorcode
*/
int ua_init(const char *software, bool udp, bool tcp, bool tls,
bool prefer_ipv6)
{
struct config *cfg = conf_config();
uint32_t bsize;
int err;
uag.cfg = &cfg->sip;
bsize = cfg->sip.trans_bsize;
play_init();
err = contact_init();
if (err)
return err;
/* Initialise Network */
err = net_init(&cfg->net, prefer_ipv6 ? AF_INET6 : AF_INET);
if (err) {
warning("ua: network init failed: %m\n", err);
return err;
}
uag.use_udp = udp;
uag.use_tcp = tcp;
uag.use_tls = tls;
uag.prefer_ipv6 = prefer_ipv6;
list_init(&uag.ual);
err = sip_alloc(&uag.sip, net_dnsc(), bsize, bsize, bsize,
software, exit_handler, NULL);
if (err) {
warning("ua: sip stack failed: %m\n", err);
goto out;
}
err = ua_add_transp();
if (err)
goto out;
err = sip_listen(&uag.lsnr, uag.sip, true, request_handler, NULL);
if (err)
goto out;
err = sipsess_listen(&uag.sock, uag.sip, bsize,
sipsess_conn_handler, NULL);
if (err)
goto out;
err = sipevent_listen(&uag.evsock, uag.sip, bsize, bsize, NULL, NULL);
if (err)
goto out;
err = cmd_register(cmdv, ARRAY_SIZE(cmdv));
if (err)
goto out;
net_change(60, net_change_handler, NULL);
out:
if (err) {
warning("ua: init failed (%m)\n", err);
ua_close();
}
return err;
}
int main(int argc, char *argv[])
{
struct sa nsv[16];
struct dnsc *dnsc = NULL;
struct sa laddr;
uint32_t nsc;
int err; /* errno return values */
/* enable coredumps to aid debugging */
(void)sys_coredump_set(true);
/* initialize libre state */
err = libre_init();
if (err) {
re_fprintf(stderr, "re init failed: %s\n", strerror(err));
goto out;
}
nsc = ARRAY_SIZE(nsv);
/* fetch list of DNS server IP addresses */
err = dns_srv_get(NULL, 0, nsv, &nsc);
if (err) {
re_fprintf(stderr, "unable to get dns servers: %s\n",
strerror(err));
goto out;
}
/* create DNS client */
err = dnsc_alloc(&dnsc, NULL, nsv, nsc);
if (err) {
re_fprintf(stderr, "unable to create dns client: %s\n",
strerror(err));
goto out;
}
/* create SIP stack instance */
err = sip_alloc(&sip, dnsc, 32, 32, 32,
"ua demo v" VERSION " (" ARCH "/" OS ")",
exit_handler, NULL);
if (err) {
re_fprintf(stderr, "sip error: %s\n", strerror(err));
goto out;
}
/* fetch local IP address */
err = net_default_source_addr_get(AF_INET, &laddr);
if (err) {
re_fprintf(stderr, "local address error: %s\n", strerror(err));
goto out;
}
/* listen on random port */
sa_set_port(&laddr, 0);
/* add supported SIP transports */
err |= sip_transp_add(sip, SIP_TRANSP_UDP, &laddr);
err |= sip_transp_add(sip, SIP_TRANSP_TCP, &laddr);
if (err) {
re_fprintf(stderr, "transport error: %s\n", strerror(err));
goto out;
}
/* create SIP session socket */
err = sipsess_listen(&sess_sock, sip, 32, connect_handler, NULL);
if (err) {
re_fprintf(stderr, "session listen error: %s\n",
strerror(err));
goto out;
}
/* create the RTP/RTCP socket */
err = rtp_listen(&rtp, IPPROTO_UDP, &laddr, 10000, 30000, true,
rtp_handler, rtcp_handler, NULL);
if (err) {
re_fprintf(stderr, "rtp listen error: %m\n", err);
goto out;
}
re_printf("local RTP port is %u\n", sa_port(rtp_local(rtp)));
/* create SDP session */
err = sdp_session_alloc(&sdp, &laddr);
if (err) {
re_fprintf(stderr, "sdp session error: %s\n", strerror(err));
goto out;
}
/* add audio sdp media, using port from RTP socket */
err = sdp_media_add(&sdp_media, sdp, "audio",
sa_port(rtp_local(rtp)), "RTP/AVP");
if (err) {
re_fprintf(stderr, "sdp media error: %s\n", strerror(err));
goto out;
}
/* add G.711 sdp media format */
err = sdp_format_add(NULL, sdp_media, false, "0", "PCMU", 8000, 1,
NULL, NULL, NULL, false, NULL);
if (err) {
re_fprintf(stderr, "sdp format error: %s\n", strerror(err));
goto out;
}
/* invite provided URI */
if (argc > 1) {
struct mbuf *mb;
/* create SDP offer */
err = sdp_encode(&mb, sdp, true);
if (err) {
re_fprintf(stderr, "sdp encode error: %s\n",
strerror(err));
goto out;
}
err = sipsess_connect(&sess, sess_sock, argv[1], name,
uri, name,
NULL, 0, "application/sdp", mb,
auth_handler, NULL, false,
offer_handler, answer_handler,
progress_handler, establish_handler,
NULL, NULL, close_handler, NULL, NULL);
mem_deref(mb); /* free SDP buffer */
if (err) {
re_fprintf(stderr, "session connect error: %s\n",
strerror(err));
goto out;
}
re_printf("inviting <%s>...\n", argv[1]);
}
else {
err = sipreg_register(®, sip, registrar, uri, uri, 60, name,
NULL, 0, 0, auth_handler, NULL, false,
register_handler, NULL, NULL, NULL);
if (err) {
re_fprintf(stderr, "register error: %s\n",
strerror(err));
goto out;
}
re_printf("registering <%s>...\n", uri);
}
/* main loop */
err = re_main(signal_handler);
out:
/* clean up/free all state */
mem_deref(sdp); /* will also free sdp_media */
mem_deref(rtp);
mem_deref(sess_sock);
mem_deref(sip);
mem_deref(dnsc);
/* free librar state */
libre_close();
/* check for memory leaks */
tmr_debug();
mem_debug();
return err;
}
