/* Register socket to ioqueue */
static pj_status_t register_to_ioqueue(struct udp_transport *tp)
{
pj_ioqueue_t *ioqueue;
pj_ioqueue_callback ioqueue_cb;
pj_status_t status;
/* Ignore if already registered */
if (tp->key != NULL)
return PJ_SUCCESS;
/* Create group lock */
status = pj_grp_lock_create(tp->base.pool, NULL, &tp->grp_lock);
if (status != PJ_SUCCESS)
return status;
pj_grp_lock_add_ref(tp->grp_lock);
pj_grp_lock_add_handler(tp->grp_lock, tp->base.pool, tp, &udp_on_destroy);
/* Register to ioqueue. */
ioqueue = pjsip_endpt_get_ioqueue(tp->base.endpt);
pj_memset(&ioqueue_cb, 0, sizeof(ioqueue_cb));
ioqueue_cb.on_read_complete = &udp_on_read_complete;
ioqueue_cb.on_write_complete = &udp_on_write_complete;
return pj_ioqueue_register_sock2(tp->base.pool, ioqueue, tp->sock,
tp->grp_lock, tp, &ioqueue_cb, &tp->key);
}
PJ_DEF(pj_status_t) pj_stun_session_create( pj_stun_config *cfg,
const char *name,
const pj_stun_session_cb *cb,
pj_bool_t fingerprint,
pj_grp_lock_t *grp_lock,
pj_stun_session **p_sess)
{
pj_pool_t *pool;
pj_stun_session *sess;
pj_status_t status;
PJ_ASSERT_RETURN(cfg && cb && p_sess, PJ_EINVAL);
if (name==NULL)
name = "stuse%p";
pool = pj_pool_create(cfg->pf, name, PJNATH_POOL_LEN_STUN_SESS,
PJNATH_POOL_INC_STUN_SESS, NULL);
PJ_ASSERT_RETURN(pool, PJ_ENOMEM);
sess = PJ_POOL_ZALLOC_T(pool, pj_stun_session);
sess->cfg = cfg;
sess->pool = pool;
pj_memcpy(&sess->cb, cb, sizeof(*cb));
sess->use_fingerprint = fingerprint;
sess->log_flag = 0xFFFF;
if (grp_lock) {
sess->grp_lock = grp_lock;
} else {
status = pj_grp_lock_create(pool, NULL, &sess->grp_lock);
if (status != PJ_SUCCESS) {
pj_pool_release(pool);
return status;
}
}
pj_grp_lock_add_ref(sess->grp_lock);
pj_grp_lock_add_handler(sess->grp_lock, pool, sess,
&stun_sess_on_destroy);
pj_stun_session_set_software_name(sess, &cfg->software_name);
sess->rx_pool = pj_pool_create(sess->cfg->pf, name,
PJNATH_POOL_LEN_STUN_TDATA,
PJNATH_POOL_INC_STUN_TDATA, NULL);
pj_list_init(&sess->pending_request_list);
pj_list_init(&sess->cached_response_list);
*p_sess = sess;
return PJ_SUCCESS;
}
/*
* Create.
*/
PJ_DEF(pj_status_t) pj_turn_sock_create(pj_stun_config *cfg,
int af,
pj_turn_tp_type conn_type,
const pj_turn_sock_cb *cb,
const pj_turn_sock_cfg *setting,
void *user_data,
pj_turn_sock **p_turn_sock)
{
pj_turn_sock *turn_sock;
pj_turn_session_cb sess_cb;
pj_turn_sock_cfg default_setting;
pj_pool_t *pool;
const char *name_tmpl;
pj_status_t status;
PJ_ASSERT_RETURN(cfg && p_turn_sock, PJ_EINVAL);
PJ_ASSERT_RETURN(af==pj_AF_INET() || af==pj_AF_INET6(), PJ_EINVAL);
PJ_ASSERT_RETURN(conn_type!=PJ_TURN_TP_TCP || PJ_HAS_TCP, PJ_EINVAL);
if (!setting) {
pj_turn_sock_cfg_default(&default_setting);
setting = &default_setting;
}
switch (conn_type) {
case PJ_TURN_TP_UDP:
name_tmpl = "udprel%p";
break;
case PJ_TURN_TP_TCP:
name_tmpl = "tcprel%p";
break;
default:
PJ_ASSERT_RETURN(!"Invalid TURN conn_type", PJ_EINVAL);
name_tmpl = "tcprel%p";
break;
}
/* Create and init basic data structure */
pool = pj_pool_create(cfg->pf, name_tmpl, PJNATH_POOL_LEN_TURN_SOCK,
PJNATH_POOL_INC_TURN_SOCK, NULL);
turn_sock = PJ_POOL_ZALLOC_T(pool, pj_turn_sock);
turn_sock->pool = pool;
turn_sock->obj_name = pool->obj_name;
turn_sock->user_data = user_data;
turn_sock->af = af;
turn_sock->conn_type = conn_type;
/* Copy STUN config (this contains ioqueue, timer heap, etc.) */
pj_memcpy(&turn_sock->cfg, cfg, sizeof(*cfg));
/* Copy setting (QoS parameters etc */
pj_memcpy(&turn_sock->setting, setting, sizeof(*setting));
/* Set callback */
if (cb) {
pj_memcpy(&turn_sock->cb, cb, sizeof(*cb));
}
/* Session lock */
if (setting && setting->grp_lock) {
turn_sock->grp_lock = setting->grp_lock;
} else {
status = pj_grp_lock_create(pool, NULL, &turn_sock->grp_lock);
if (status != PJ_SUCCESS) {
pj_pool_release(pool);
return status;
}
}
pj_grp_lock_add_ref(turn_sock->grp_lock);
pj_grp_lock_add_handler(turn_sock->grp_lock, pool, turn_sock,
&turn_sock_on_destroy);
/* Init timer */
pj_timer_entry_init(&turn_sock->timer, TIMER_NONE, turn_sock, &timer_cb);
/* Init TURN session */
pj_bzero(&sess_cb, sizeof(sess_cb));
sess_cb.on_send_pkt = &turn_on_send_pkt;
sess_cb.on_channel_bound = &turn_on_channel_bound;
sess_cb.on_rx_data = &turn_on_rx_data;
sess_cb.on_state = &turn_on_state;
status = pj_turn_session_create(cfg, pool->obj_name, af, conn_type,
turn_sock->grp_lock, &sess_cb, 0,
turn_sock, &turn_sock->sess);
if (status != PJ_SUCCESS) {
destroy(turn_sock);
return status;
}
/* Note: socket and ioqueue will be created later once the TURN server
* has been resolved.
*/
*p_turn_sock = turn_sock;
return PJ_SUCCESS;
}
pj_status_t pj_stun_detect_nat_type(const pj_sockaddr_in *server,
pj_stun_config *stun_cfg,
void *user_data,
pj_stun_nat_detect_cb *cb)
{
pj_pool_t *pool;
nat_detect_session *sess;
pj_stun_session_cb sess_cb;
pj_ioqueue_callback ioqueue_cb;
int addr_len;
pj_status_t status;
PJ_ASSERT_RETURN(server && stun_cfg, PJ_EINVAL);
PJ_ASSERT_RETURN(stun_cfg->pf && stun_cfg->ioqueue && stun_cfg->timer_heap,
PJ_EINVAL);
/*
* Init NAT detection session.
*/
pool = pj_pool_create(stun_cfg->pf, "natck%p", PJNATH_POOL_LEN_NATCK,
PJNATH_POOL_INC_NATCK, NULL);
if (!pool)
return PJ_ENOMEM;
sess = PJ_POOL_ZALLOC_T(pool, nat_detect_session);
sess->pool = pool;
sess->user_data = user_data;
sess->cb = cb;
status = pj_grp_lock_create(pool, NULL, &sess->grp_lock);
if (status != PJ_SUCCESS) {
/* Group lock not created yet, just destroy pool and return */
pj_pool_release(pool);
return status;
}
pj_grp_lock_add_ref(sess->grp_lock);
pj_grp_lock_add_handler(sess->grp_lock, pool, sess, &sess_on_destroy);
pj_memcpy(&sess->server, server, sizeof(pj_sockaddr_in));
/*
* Init timer to self-destroy.
*/
sess->timer_heap = stun_cfg->timer_heap;
sess->timer.cb = &on_sess_timer;
sess->timer.user_data = sess;
/*
* Initialize socket.
*/
status = pj_sock_socket(pj_AF_INET(), pj_SOCK_DGRAM(), 0, &sess->sock);
if (status != PJ_SUCCESS)
goto on_error;
/*
* Bind to any.
*/
pj_bzero(&sess->local_addr, sizeof(pj_sockaddr_in));
sess->local_addr.sin_family = pj_AF_INET();
status = pj_sock_bind(sess->sock, &sess->local_addr,
sizeof(pj_sockaddr_in));
if (status != PJ_SUCCESS)
goto on_error;
/*
* Get local/bound address.
*/
addr_len = sizeof(sess->local_addr);
status = pj_sock_getsockname(sess->sock, &sess->local_addr, &addr_len);
if (status != PJ_SUCCESS)
goto on_error;
/*
* Find out which interface is used to send to the server.
*/
status = get_local_interface(server, &sess->local_addr.sin_addr);
if (status != PJ_SUCCESS)
goto on_error;
PJ_LOG(5,(sess->pool->obj_name, "Local address is %s:%d",
pj_inet_ntoa(sess->local_addr.sin_addr),
pj_ntohs(sess->local_addr.sin_port)));
PJ_LOG(5,(sess->pool->obj_name, "Server set to %s:%d",
pj_inet_ntoa(server->sin_addr),
pj_ntohs(server->sin_port)));
/*
* Register socket to ioqueue to receive asynchronous input
* notification.
*/
pj_bzero(&ioqueue_cb, sizeof(ioqueue_cb));
ioqueue_cb.on_read_complete = &on_read_complete;
status = pj_ioqueue_register_sock2(sess->pool, stun_cfg->ioqueue,
sess->sock, sess->grp_lock, sess,
&ioqueue_cb, &sess->key);
if (status != PJ_SUCCESS)
goto on_error;
/*
* Create STUN session.
*/
pj_bzero(&sess_cb, sizeof(sess_cb));
sess_cb.on_request_complete = &on_request_complete;
sess_cb.on_send_msg = &on_send_msg;
status = pj_stun_session_create(stun_cfg, pool->obj_name, &sess_cb,
PJ_FALSE, sess->grp_lock, &sess->stun_sess);
if (status != PJ_SUCCESS)
goto on_error;
pj_stun_session_set_user_data(sess->stun_sess, sess);
/*
* Kick-off ioqueue reading.
*/
pj_ioqueue_op_key_init(&sess->read_op, sizeof(sess->read_op));
pj_ioqueue_op_key_init(&sess->write_op, sizeof(sess->write_op));
on_read_complete(sess->key, &sess->read_op, 0);
/*
* Start TEST_1
*/
sess->timer.id = TIMER_TEST;
on_sess_timer(stun_cfg->timer_heap, &sess->timer);
return PJ_SUCCESS;
on_error:
sess_destroy(sess);
return status;
}
/*
* Create the STUN transport using the specified configuration.
*/
PJ_DEF(pj_status_t) pj_stun_sock_create( pj_stun_config *stun_cfg,
const char *name,
int af,
const pj_stun_sock_cb *cb,
const pj_stun_sock_cfg *cfg,
void *user_data,
pj_stun_sock **p_stun_sock)
{
pj_pool_t *pool;
pj_stun_sock *stun_sock;
pj_stun_sock_cfg default_cfg;
pj_sockaddr bound_addr;
unsigned i;
pj_uint16_t max_bind_retry;
pj_status_t status;
PJ_ASSERT_RETURN(stun_cfg && cb && p_stun_sock, PJ_EINVAL);
PJ_ASSERT_RETURN(af==pj_AF_INET()||af==pj_AF_INET6(), PJ_EAFNOTSUP);
PJ_ASSERT_RETURN(!cfg || pj_stun_sock_cfg_is_valid(cfg), PJ_EINVAL);
PJ_ASSERT_RETURN(cb->on_status, PJ_EINVAL);
status = pj_stun_config_check_valid(stun_cfg);
if (status != PJ_SUCCESS)
return status;
if (name == NULL)
name = "stuntp%p";
if (cfg == NULL) {
pj_stun_sock_cfg_default(&default_cfg);
cfg = &default_cfg;
}
/* Create structure */
pool = pj_pool_create(stun_cfg->pf, name, 256, 512, NULL);
stun_sock = PJ_POOL_ZALLOC_T(pool, pj_stun_sock);
stun_sock->pool = pool;
stun_sock->obj_name = pool->obj_name;
stun_sock->user_data = user_data;
stun_sock->af = af;
stun_sock->sock_fd = PJ_INVALID_SOCKET;
pj_memcpy(&stun_sock->stun_cfg, stun_cfg, sizeof(*stun_cfg));
pj_memcpy(&stun_sock->cb, cb, sizeof(*cb));
stun_sock->ka_interval = cfg->ka_interval;
if (stun_sock->ka_interval == 0)
stun_sock->ka_interval = PJ_STUN_KEEP_ALIVE_SEC;
if (cfg && cfg->grp_lock) {
stun_sock->grp_lock = cfg->grp_lock;
} else {
status = pj_grp_lock_create(pool, NULL, &stun_sock->grp_lock);
if (status != PJ_SUCCESS) {
pj_pool_release(pool);
return status;
}
}
pj_grp_lock_add_ref(stun_sock->grp_lock);
pj_grp_lock_add_handler(stun_sock->grp_lock, pool, stun_sock,
&stun_sock_destructor);
/* Create socket and bind socket */
status = pj_sock_socket(af, pj_SOCK_DGRAM(), 0, &stun_sock->sock_fd);
if (status != PJ_SUCCESS)
goto on_error;
/* Apply QoS, if specified */
status = pj_sock_apply_qos2(stun_sock->sock_fd, cfg->qos_type,
&cfg->qos_params, 2, stun_sock->obj_name,
NULL);
if (status != PJ_SUCCESS && !cfg->qos_ignore_error)
goto on_error;
/* Bind socket */
max_bind_retry = MAX_BIND_RETRY;
if (cfg->port_range && cfg->port_range < max_bind_retry)
max_bind_retry = cfg->port_range;
pj_sockaddr_init(af, &bound_addr, NULL, 0);
if (cfg->bound_addr.addr.sa_family == pj_AF_INET() ||
cfg->bound_addr.addr.sa_family == pj_AF_INET6())
{
pj_sockaddr_cp(&bound_addr, &cfg->bound_addr);
}
status = pj_sock_bind_random(stun_sock->sock_fd, &bound_addr,
cfg->port_range, max_bind_retry);
if (status != PJ_SUCCESS)
goto on_error;
/* Create more useful information string about this transport */
#if 0
{
pj_sockaddr bound_addr;
int addr_len = sizeof(bound_addr);
status = pj_sock_getsockname(stun_sock->sock_fd, &bound_addr,
&addr_len);
if (status != PJ_SUCCESS)
goto on_error;
stun_sock->info = pj_pool_alloc(pool, PJ_INET6_ADDRSTRLEN+10);
pj_sockaddr_print(&bound_addr, stun_sock->info,
PJ_INET6_ADDRSTRLEN, 3);
}
#endif
/* Init active socket configuration */
{
pj_activesock_cfg activesock_cfg;
pj_activesock_cb activesock_cb;
pj_activesock_cfg_default(&activesock_cfg);
activesock_cfg.grp_lock = stun_sock->grp_lock;
activesock_cfg.async_cnt = cfg->async_cnt;
activesock_cfg.concurrency = 0;
/* Create the active socket */
pj_bzero(&activesock_cb, sizeof(activesock_cb));
activesock_cb.on_data_recvfrom = &on_data_recvfrom;
activesock_cb.on_data_sent = &on_data_sent;
status = pj_activesock_create(pool, stun_sock->sock_fd,
pj_SOCK_DGRAM(),
&activesock_cfg, stun_cfg->ioqueue,
&activesock_cb, stun_sock,
&stun_sock->active_sock);
if (status != PJ_SUCCESS)
goto on_error;
/* Start asynchronous read operations */
status = pj_activesock_start_recvfrom(stun_sock->active_sock, pool,
cfg->max_pkt_size, 0);
if (status != PJ_SUCCESS)
goto on_error;
/* Init send keys */
pj_ioqueue_op_key_init(&stun_sock->send_key,
sizeof(stun_sock->send_key));
pj_ioqueue_op_key_init(&stun_sock->int_send_key,
sizeof(stun_sock->int_send_key));
}
/* Create STUN session */
{
pj_stun_session_cb sess_cb;
pj_bzero(&sess_cb, sizeof(sess_cb));
sess_cb.on_request_complete = &sess_on_request_complete;
sess_cb.on_send_msg = &sess_on_send_msg;
status = pj_stun_session_create(&stun_sock->stun_cfg,
stun_sock->obj_name,
&sess_cb, PJ_FALSE,
stun_sock->grp_lock,
&stun_sock->stun_sess);
if (status != PJ_SUCCESS)
goto on_error;
}
/* Associate us with the STUN session */
pj_stun_session_set_user_data(stun_sock->stun_sess, stun_sock);
/* Initialize random numbers to be used as STUN transaction ID for
* outgoing Binding request. We use the 80bit number to distinguish
* STUN messages we sent with STUN messages that the application sends.
* The last 16bit value in the array is a counter.
*/
for (i=0; i<PJ_ARRAY_SIZE(stun_sock->tsx_id); ++i) {
stun_sock->tsx_id[i] = (pj_uint16_t) pj_rand();
}
stun_sock->tsx_id[5] = 0;
/* Init timer entry */
stun_sock->ka_timer.cb = &ka_timer_cb;
stun_sock->ka_timer.user_data = stun_sock;
/* Done */
*p_stun_sock = stun_sock;
return PJ_SUCCESS;
on_error:
pj_stun_sock_destroy(stun_sock);
return status;
}
/*
* Common function to create TCP transport, called when pending accept() and
* pending connect() complete.
*/
static pj_status_t tcp_create( struct tcp_listener *listener,
pj_pool_t *pool,
pj_sock_t sock, pj_bool_t is_server,
const pj_sockaddr *local,
const pj_sockaddr *remote,
struct tcp_transport **p_tcp)
{
struct tcp_transport *tcp;
pj_ioqueue_t *ioqueue;
pj_activesock_cfg asock_cfg;
pj_activesock_cb tcp_callback;
const pj_str_t ka_pkt = PJSIP_TCP_KEEP_ALIVE_DATA;
char print_addr[PJ_INET6_ADDRSTRLEN+10];
pj_status_t status;
PJ_ASSERT_RETURN(sock != PJ_INVALID_SOCKET, PJ_EINVAL);
if (pool == NULL) {
pool = pjsip_endpt_create_pool(listener->endpt, "tcp",
POOL_TP_INIT, POOL_TP_INC);
PJ_ASSERT_RETURN(pool != NULL, PJ_ENOMEM);
}
/*
* Create and initialize basic transport structure.
*/
tcp = PJ_POOL_ZALLOC_T(pool, struct tcp_transport);
tcp->is_server = is_server;
tcp->sock = sock;
/*tcp->listener = listener;*/
pj_list_init(&tcp->delayed_list);
tcp->base.pool = pool;
pj_ansi_snprintf(tcp->base.obj_name, PJ_MAX_OBJ_NAME,
(is_server ? "tcps%p" :"tcpc%p"), tcp);
status = pj_atomic_create(pool, 0, &tcp->base.ref_cnt);
if (status != PJ_SUCCESS) {
goto on_error;
}
status = pj_lock_create_recursive_mutex(pool, "tcp", &tcp->base.lock);
if (status != PJ_SUCCESS) {
goto on_error;
}
tcp->base.key.type = listener->factory.type;
pj_sockaddr_cp(&tcp->base.key.rem_addr, remote);
tcp->base.type_name = (char*)pjsip_transport_get_type_name(
(pjsip_transport_type_e)tcp->base.key.type);
tcp->base.flag = pjsip_transport_get_flag_from_type(
(pjsip_transport_type_e)tcp->base.key.type);
tcp->base.info = (char*) pj_pool_alloc(pool, 64);
pj_ansi_snprintf(tcp->base.info, 64, "%s to %s",
tcp->base.type_name,
pj_sockaddr_print(remote, print_addr,
sizeof(print_addr), 3));
tcp->base.addr_len = pj_sockaddr_get_len(remote);
pj_sockaddr_cp(&tcp->base.local_addr, local);
sockaddr_to_host_port(pool, &tcp->base.local_name, local);
sockaddr_to_host_port(pool, &tcp->base.remote_name, remote);
tcp->base.dir = is_server? PJSIP_TP_DIR_INCOMING : PJSIP_TP_DIR_OUTGOING;
tcp->base.endpt = listener->endpt;
tcp->base.tpmgr = listener->tpmgr;
tcp->base.send_msg = &tcp_send_msg;
tcp->base.do_shutdown = &tcp_shutdown;
tcp->base.destroy = &tcp_destroy_transport;
/* Create group lock */
status = pj_grp_lock_create(pool, NULL, &tcp->grp_lock);
if (status != PJ_SUCCESS)
goto on_error;
pj_grp_lock_add_ref(tcp->grp_lock);
pj_grp_lock_add_handler(tcp->grp_lock, pool, tcp, &tcp_on_destroy);
/* Create active socket */
pj_activesock_cfg_default(&asock_cfg);
asock_cfg.async_cnt = 1;
asock_cfg.grp_lock = tcp->grp_lock;
pj_bzero(&tcp_callback, sizeof(tcp_callback));
tcp_callback.on_data_read = &on_data_read;
tcp_callback.on_data_sent = &on_data_sent;
tcp_callback.on_connect_complete = &on_connect_complete;
ioqueue = pjsip_endpt_get_ioqueue(listener->endpt);
status = pj_activesock_create(pool, sock, pj_SOCK_STREAM(), &asock_cfg,
ioqueue, &tcp_callback, tcp, &tcp->asock);
if (status != PJ_SUCCESS) {
goto on_error;
}
/* Register transport to transport manager */
status = pjsip_transport_register(listener->tpmgr, &tcp->base);
if (status != PJ_SUCCESS) {
goto on_error;
}
tcp->is_registered = PJ_TRUE;
/* Initialize keep-alive timer */
tcp->ka_timer.user_data = (void*)tcp;
tcp->ka_timer.cb = &tcp_keep_alive_timer;
pj_ioqueue_op_key_init(&tcp->ka_op_key.key, sizeof(pj_ioqueue_op_key_t));
pj_strdup(tcp->base.pool, &tcp->ka_pkt, &ka_pkt);
/* Done setting up basic transport. */
*p_tcp = tcp;
PJ_LOG(4,(tcp->base.obj_name, "TCP %s transport created",
(tcp->is_server ? "server" : "client")));
return PJ_SUCCESS;
on_error:
tcp_destroy(&tcp->base, status);
return status;
}
/*
* This is the public API to create, initialize, register, and start the
* TCP listener.
*/
PJ_DEF(pj_status_t) pjsip_tcp_transport_start3(
pjsip_endpoint *endpt,
const pjsip_tcp_transport_cfg *cfg,
pjsip_tpfactory **p_factory
)
{
pj_pool_t *pool;
pj_sock_t sock = PJ_INVALID_SOCKET;
struct tcp_listener *listener;
pj_activesock_cfg asock_cfg;
pj_activesock_cb listener_cb;
pj_sockaddr *listener_addr;
int addr_len;
pj_status_t status;
/* Sanity check */
PJ_ASSERT_RETURN(endpt && cfg->async_cnt, PJ_EINVAL);
/* Verify that address given in a_name (if any) is valid */
if (cfg->addr_name.host.slen) {
pj_sockaddr tmp;
status = pj_sockaddr_init(cfg->af, &tmp, &cfg->addr_name.host,
(pj_uint16_t)cfg->addr_name.port);
if (status != PJ_SUCCESS || !pj_sockaddr_has_addr(&tmp) ||
(cfg->af==pj_AF_INET() &&
tmp.ipv4.sin_addr.s_addr==PJ_INADDR_NONE))
{
/* Invalid address */
return PJ_EINVAL;
}
}
pool = pjsip_endpt_create_pool(endpt, "tcplis", POOL_LIS_INIT,
POOL_LIS_INC);
PJ_ASSERT_RETURN(pool, PJ_ENOMEM);
listener = PJ_POOL_ZALLOC_T(pool, struct tcp_listener);
listener->factory.pool = pool;
listener->factory.type = cfg->af==pj_AF_INET() ? PJSIP_TRANSPORT_TCP :
PJSIP_TRANSPORT_TCP6;
listener->factory.type_name = (char*)
pjsip_transport_get_type_name(listener->factory.type);
listener->factory.flag =
pjsip_transport_get_flag_from_type(listener->factory.type);
listener->qos_type = cfg->qos_type;
pj_memcpy(&listener->qos_params, &cfg->qos_params,
sizeof(cfg->qos_params));
pj_memcpy(&listener->sockopt_params, &cfg->sockopt_params,
sizeof(cfg->sockopt_params));
pj_ansi_strcpy(listener->factory.obj_name, "tcplis");
if (listener->factory.type==PJSIP_TRANSPORT_TCP6)
pj_ansi_strcat(listener->factory.obj_name, "6");
status = pj_lock_create_recursive_mutex(pool, listener->factory.obj_name,
&listener->factory.lock);
if (status != PJ_SUCCESS)
goto on_error;
/* Create socket */
status = pj_sock_socket(cfg->af, pj_SOCK_STREAM(), 0, &sock);
if (status != PJ_SUCCESS)
goto on_error;
/* Apply QoS, if specified */
status = pj_sock_apply_qos2(sock, cfg->qos_type, &cfg->qos_params,
2, listener->factory.obj_name,
"SIP TCP listener socket");
/* Apply SO_REUSEADDR */
if (cfg->reuse_addr) {
int enabled = 1;
status = pj_sock_setsockopt(sock, pj_SOL_SOCKET(), pj_SO_REUSEADDR(),
&enabled, sizeof(enabled));
if (status != PJ_SUCCESS) {
PJ_PERROR(4,(listener->factory.obj_name, status,
"Warning: error applying SO_REUSEADDR"));
}
}
/* Apply socket options, if specified */
if (cfg->sockopt_params.cnt)
status = pj_sock_setsockopt_params(sock, &cfg->sockopt_params);
/* Bind address may be different than factory.local_addr because
* factory.local_addr will be resolved below.
*/
pj_sockaddr_cp(&listener->bound_addr, &cfg->bind_addr);
/* Bind socket */
listener_addr = &listener->factory.local_addr;
pj_sockaddr_cp(listener_addr, &cfg->bind_addr);
status = pj_sock_bind(sock, listener_addr,
pj_sockaddr_get_len(listener_addr));
if (status != PJ_SUCCESS)
goto on_error;
/* Retrieve the bound address */
addr_len = pj_sockaddr_get_len(listener_addr);
status = pj_sock_getsockname(sock, listener_addr, &addr_len);
if (status != PJ_SUCCESS)
goto on_error;
/* If published host/IP is specified, then use that address as the
* listener advertised address.
*/
if (cfg->addr_name.host.slen) {
/* Copy the address */
listener->factory.addr_name = cfg->addr_name;
pj_strdup(listener->factory.pool, &listener->factory.addr_name.host,
&cfg->addr_name.host);
listener->factory.addr_name.port = cfg->addr_name.port;
} else {
/* No published address is given, use the bound address */
/* If the address returns 0.0.0.0, use the default
* interface address as the transport's address.
*/
if (!pj_sockaddr_has_addr(listener_addr)) {
pj_sockaddr hostip;
status = pj_gethostip(listener->bound_addr.addr.sa_family,
&hostip);
if (status != PJ_SUCCESS)
goto on_error;
pj_sockaddr_copy_addr(listener_addr, &hostip);
}
/* Save the address name */
sockaddr_to_host_port(listener->factory.pool,
&listener->factory.addr_name,
listener_addr);
}
/* If port is zero, get the bound port */
if (listener->factory.addr_name.port == 0) {
listener->factory.addr_name.port = pj_sockaddr_get_port(listener_addr);
}
pj_ansi_snprintf(listener->factory.obj_name,
sizeof(listener->factory.obj_name),
"tcplis:%d", listener->factory.addr_name.port);
/* Start listening to the address */
status = pj_sock_listen(sock, PJSIP_TCP_TRANSPORT_BACKLOG);
if (status != PJ_SUCCESS)
goto on_error;
/* Create active socket */
pj_activesock_cfg_default(&asock_cfg);
if (cfg->async_cnt > MAX_ASYNC_CNT)
asock_cfg.async_cnt = MAX_ASYNC_CNT;
else
asock_cfg.async_cnt = cfg->async_cnt;
/* Create group lock */
status = pj_grp_lock_create(pool, NULL, &listener->grp_lock);
if (status != PJ_SUCCESS)
return status;
pj_grp_lock_add_ref(listener->grp_lock);
pj_grp_lock_add_handler(listener->grp_lock, pool, listener,
&lis_on_destroy);
asock_cfg.grp_lock = listener->grp_lock;
pj_bzero(&listener_cb, sizeof(listener_cb));
listener_cb.on_accept_complete = &on_accept_complete;
status = pj_activesock_create(pool, sock, pj_SOCK_STREAM(), &asock_cfg,
pjsip_endpt_get_ioqueue(endpt),
&listener_cb, listener,
&listener->asock);
/* Register to transport manager */
listener->endpt = endpt;
listener->tpmgr = pjsip_endpt_get_tpmgr(endpt);
listener->factory.create_transport = lis_create_transport;
listener->factory.destroy = lis_destroy;
listener->is_registered = PJ_TRUE;
status = pjsip_tpmgr_register_tpfactory(listener->tpmgr,
&listener->factory);
if (status != PJ_SUCCESS) {
listener->is_registered = PJ_FALSE;
goto on_error;
}
/* Start pending accept() operations */
status = pj_activesock_start_accept(listener->asock, pool);
if (status != PJ_SUCCESS)
goto on_error;
PJ_LOG(4,(listener->factory.obj_name,
"SIP TCP listener ready for incoming connections at %.*s:%d",
(int)listener->factory.addr_name.host.slen,
listener->factory.addr_name.host.ptr,
listener->factory.addr_name.port));
/* Return the pointer to user */
if (p_factory) *p_factory = &listener->factory;
return PJ_SUCCESS;
on_error:
if (listener->asock==NULL && sock!=PJ_INVALID_SOCKET)
pj_sock_close(sock);
lis_destroy(&listener->factory);
return status;
}