static pj_status_t create_relay(void)
{
pj_turn_sock_cb rel_cb;
pj_stun_auth_cred cred;
pj_str_t srv;
pj_status_t status;
if (g.relay) {
PJ_LOG(1,(THIS_FILE, "Relay already created"));
return -1;
}
/* Create DNS resolver if configured */
if (o.nameserver) {
pj_str_t ns = pj_str(o.nameserver);
status = pj_dns_resolver_create(&g.cp.factory, "resolver", 0,
g.stun_config.timer_heap,
g.stun_config.ioqueue, &g.resolver);
if (status != PJ_SUCCESS) {
PJ_LOG(1,(THIS_FILE, "Error creating resolver (err=%d)", status));
return status;
}
status = pj_dns_resolver_set_ns(g.resolver, 1, &ns, NULL);
if (status != PJ_SUCCESS) {
PJ_LOG(1,(THIS_FILE, "Error configuring nameserver (err=%d)", status));
return status;
}
}
pj_bzero(&rel_cb, sizeof(rel_cb));
rel_cb.on_rx_data = &turn_on_rx_data;
rel_cb.on_state = &turn_on_state;
CHECK( pj_turn_sock_create(&g.stun_config, pj_AF_INET(),
(o.use_tcp? PJ_TURN_TP_TCP : PJ_TURN_TP_UDP),
&rel_cb, 0,
NULL, &g.relay) );
if (o.user_name) {
pj_bzero(&cred, sizeof(cred));
cred.type = PJ_STUN_AUTH_CRED_STATIC;
cred.data.static_cred.realm = pj_str(o.realm);
cred.data.static_cred.username = pj_str(o.user_name);
cred.data.static_cred.data_type = PJ_STUN_PASSWD_PLAIN;
cred.data.static_cred.data = pj_str(o.password);
//cred.data.static_cred.nonce = pj_str(o.nonce);
} else {
PJ_LOG(2,(THIS_FILE, "Warning: no credential is set"));
}
srv = pj_str(o.srv_addr);
CHECK(pj_turn_sock_alloc(g.relay, /* the relay */
&srv, /* srv addr */
(o.srv_port?atoi(o.srv_port):PJ_STUN_PORT),/* def port */
g.resolver, /* resolver */
(o.user_name?&cred:NULL), /* credential */
NULL) /* alloc param */
);
return PJ_SUCCESS;
}
static int create_test_session(pj_stun_config *stun_cfg,
const struct test_session_cfg *cfg,
struct test_session **p_sess)
{
struct test_session *sess;
pj_pool_t *pool;
pj_turn_sock_cb turn_sock_cb;
pj_turn_alloc_param alloc_param;
pj_stun_auth_cred cred;
pj_status_t status;
/* Create client */
pool = pj_pool_create(mem, "turnclient", 512, 512, NULL);
sess = PJ_POOL_ZALLOC_T(pool, struct test_session);
sess->pool = pool;
sess->stun_cfg = stun_cfg;
sess->destroy_on_state = cfg->client.destroy_on_state;
pj_bzero(&turn_sock_cb, sizeof(turn_sock_cb));
turn_sock_cb.on_rx_data = &turn_on_rx_data;
turn_sock_cb.on_state = &turn_on_state;
status = pj_turn_sock_create(sess->stun_cfg, pj_AF_INET(), PJ_TURN_TP_UDP,
&turn_sock_cb, 0, sess, &sess->turn_sock);
if (status != PJ_SUCCESS) {
destroy_session(sess);
return -20;
}
/* Create test server */
status = create_test_server(sess->stun_cfg, cfg->srv.flags,
SRV_DOMAIN, &sess->test_srv);
if (status != PJ_SUCCESS) {
destroy_session(sess);
return -30;
}
sess->test_srv->turn_respond_allocate = cfg->srv.respond_allocate;
sess->test_srv->turn_respond_refresh = cfg->srv.respond_refresh;
/* Create client resolver */
status = pj_dns_resolver_create(mem, "resolver", 0, sess->stun_cfg->timer_heap,
sess->stun_cfg->ioqueue, &sess->resolver);
if (status != PJ_SUCCESS) {
destroy_session(sess);
return -40;
} else {
pj_str_t dns_srv = pj_str("127.0.0.1");
pj_uint16_t dns_srv_port = (pj_uint16_t) DNS_SERVER_PORT;
status = pj_dns_resolver_set_ns(sess->resolver, 1, &dns_srv, &dns_srv_port);
if (status != PJ_SUCCESS) {
destroy_session(sess);
return -50;
}
}
/* Init TURN credential */
pj_bzero(&cred, sizeof(cred));
cred.type = PJ_STUN_AUTH_CRED_STATIC;
cred.data.static_cred.realm = pj_str(SRV_DOMAIN);
cred.data.static_cred.username = pj_str(TURN_USERNAME);
cred.data.static_cred.data_type = PJ_STUN_PASSWD_PLAIN;
cred.data.static_cred.data = pj_str(TURN_PASSWD);
/* Init TURN allocate parameter */
pj_turn_alloc_param_default(&alloc_param);
alloc_param.ka_interval = KA_INTERVAL;
/* Start the client */
if (cfg->client.enable_dns_srv) {
/* Use DNS SRV to resolve server, may fallback to DNS A */
pj_str_t domain = pj_str(SRV_DOMAIN);
status = pj_turn_sock_alloc(sess->turn_sock, &domain, TURN_SERVER_PORT,
sess->resolver, &cred, &alloc_param);
} else {
/* Explicitly specify server address */
pj_str_t host = pj_str("127.0.0.1");
status = pj_turn_sock_alloc(sess->turn_sock, &host, TURN_SERVER_PORT,
NULL, &cred, &alloc_param);
}
if (status != PJ_SUCCESS) {
if (cfg->client.destroy_on_state >= PJ_TURN_STATE_READY) {
destroy_session(sess);
return -70;
}
}
*p_sess = sess;
return 0;
}