/* Start ioqueue asynchronous reading to all rdata */
static pj_status_t start_async_read(struct udp_transport *tp)
{
pj_ioqueue_t *ioqueue;
int i;
pj_status_t status;
ioqueue = pjsip_endpt_get_ioqueue(tp->base.endpt);
/* Start reading the ioqueue. */
for (i=0; i<tp->rdata_cnt; ++i) {
pj_ssize_t size;
size = PJSIP_MAX_PKT_LEN;
tp->rdata[i]->pkt_info.src_addr_len = sizeof(tp->rdata[i]->pkt_info.src_addr);
status = pj_ioqueue_recvfrom(tp->key,
&tp->rdata[i]->tp_info.op_key.op_key,
tp->rdata[i]->pkt_info.packet,
&size, PJ_IOQUEUE_ALWAYS_ASYNC,
&tp->rdata[i]->pkt_info.src_addr,
&tp->rdata[i]->pkt_info.src_addr_len);
if (status == PJ_SUCCESS) {
pj_assert(!"Shouldn't happen because PJ_IOQUEUE_ALWAYS_ASYNC!");
udp_on_read_complete(tp->key, &tp->rdata[i]->tp_info.op_key.op_key,
size);
} else if (status != PJ_EPENDING) {
/* Error! */
return status;
}
}
return PJ_SUCCESS;
}
/* 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);
}
/*
* udp_destroy()
*
* This function is called by transport manager (by transport->destroy()).
*/
static pj_status_t udp_destroy( pjsip_transport *transport )
{
struct udp_transport *tp = (struct udp_transport*)transport;
int i;
/* Mark this transport as closing. */
tp->is_closing = 1;
/* Cancel all pending operations. */
/* blp: NO NO NO...
* No need to post queued completion as we poll the ioqueue until
* we've got events anyway. Posting completion will only cause
* callback to be called twice with IOCP: one for the post completion
* and another one for closing the socket.
*
for (i=0; i<tp->rdata_cnt; ++i) {
pj_ioqueue_post_completion(tp->key,
&tp->rdata[i]->tp_info.op_key.op_key, -1);
}
*/
/* Unregister from ioqueue. */
if (tp->key) {
pj_ioqueue_unregister(tp->key);
tp->key = NULL;
} else {
/* Close socket. */
if (tp->sock && tp->sock != PJ_INVALID_SOCKET) {
pj_sock_close(tp->sock);
tp->sock = PJ_INVALID_SOCKET;
}
}
/* Must poll ioqueue because IOCP calls the callback when socket
* is closed. We poll the ioqueue until all pending callbacks
* have been called.
*/
for (i=0; i<50 && tp->is_closing < 1+tp->rdata_cnt; ++i) {
int cnt;
pj_time_val timeout = {0, 1};
cnt = pj_ioqueue_poll(pjsip_endpt_get_ioqueue(transport->endpt),
&timeout);
if (cnt == 0)
break;
}
if (tp->grp_lock) {
pj_grp_lock_t *grp_lock = tp->grp_lock;
tp->grp_lock = NULL;
pj_grp_lock_dec_ref(grp_lock);
/* Transport may have been deleted at this point */
} else {
udp_on_destroy(tp);
}
return PJ_SUCCESS;
}
/*
* Init media stack.
*/
static pj_status_t init_media()
{
unsigned i;
pj_uint16_t rtp_port;
pj_status_t status;
/* Initialize media endpoint so that at least error subsystem is properly
* initialized.
*/
status = pjmedia_endpt_create(&app.cp.factory,
pjsip_endpt_get_ioqueue(app.sip_endpt), 0,
&app.med_endpt);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, status);
/* Must register all codecs to be supported */
pjmedia_codec_register_audio_codecs(app.med_endpt, NULL);
/* Init dummy socket addresses */
app.skinfo_cnt = 0;
for (i=0, rtp_port=4000; i<PJ_ARRAY_SIZE(app.skinfo); ++i, rtp_port+=2) {
pjmedia_sock_info *skinfo;
skinfo = &app.skinfo[i];
pj_sockaddr_in_init(&skinfo->rtp_addr_name.ipv4, &app.local_addr,
(pj_uint16_t)rtp_port);
pj_sockaddr_in_init(&skinfo->rtp_addr_name.ipv4, &app.local_addr,
(pj_uint16_t)(rtp_port+1));
app.skinfo_cnt++;
}
/* Generate dummy SDP */
dummy_sdp_str.slen = pj_ansi_strlen(dummy_sdp_str.ptr);
status = pjmedia_sdp_parse(app.pool, dummy_sdp_str.ptr, dummy_sdp_str.slen,
&app.dummy_sdp);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Error parsing dummy SDP", status);
return status;
}
/* Done */
return PJ_SUCCESS;
}
/* Register socket to ioqueue */
static pj_status_t register_to_ioqueue(struct udp_transport *tp)
{
pj_ioqueue_t *ioqueue;
pj_ioqueue_callback ioqueue_cb;
/* Ignore if already registered */
if (tp->key != NULL)
return PJ_SUCCESS;
/* 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_sock(tp->base.pool, ioqueue, tp->sock, tp,
&ioqueue_cb, &tp->key);
}
/* This callback is called by transport manager for the TLS factory
* to create outgoing transport to the specified destination.
*/
static pj_status_t lis_create_transport(pjsip_tpfactory *factory,
pjsip_tpmgr *mgr,
pjsip_endpoint *endpt,
const pj_sockaddr *rem_addr,
int addr_len,
pjsip_tx_data *tdata,
pjsip_transport **p_transport)
{
struct tls_listener *listener;
struct tls_transport *tls;
pj_pool_t *pool;
pj_ssl_sock_t *ssock;
pj_ssl_sock_param ssock_param;
pj_sockaddr_in local_addr;
pj_str_t remote_name;
pj_status_t status;
/* Sanity checks */
PJ_ASSERT_RETURN(factory && mgr && endpt && rem_addr &&
addr_len && p_transport, PJ_EINVAL);
/* Check that address is a sockaddr_in */
PJ_ASSERT_RETURN(rem_addr->addr.sa_family == pj_AF_INET() &&
addr_len == sizeof(pj_sockaddr_in), PJ_EINVAL);
listener = (struct tls_listener*)factory;
pool = pjsip_endpt_create_pool(listener->endpt, "tls",
POOL_TP_INIT, POOL_TP_INC);
PJ_ASSERT_RETURN(pool != NULL, PJ_ENOMEM);
/* Get remote host name from tdata */
if (tdata)
remote_name = tdata->dest_info.name;
else
pj_bzero(&remote_name, sizeof(remote_name));
/* Build SSL socket param */
pj_ssl_sock_param_default(&ssock_param);
ssock_param.cb.on_connect_complete = &on_connect_complete;
ssock_param.cb.on_data_read = &on_data_read;
ssock_param.cb.on_data_sent = &on_data_sent;
ssock_param.async_cnt = 1;
ssock_param.ioqueue = pjsip_endpt_get_ioqueue(listener->endpt);
ssock_param.server_name = remote_name;
ssock_param.timeout = listener->tls_setting.timeout;
ssock_param.user_data = NULL; /* pending, must be set later */
ssock_param.verify_peer = PJ_FALSE; /* avoid SSL socket closing the socket
* due to verification error */
if (ssock_param.send_buffer_size < PJSIP_MAX_PKT_LEN)
ssock_param.send_buffer_size = PJSIP_MAX_PKT_LEN;
if (ssock_param.read_buffer_size < PJSIP_MAX_PKT_LEN)
ssock_param.read_buffer_size = PJSIP_MAX_PKT_LEN;
ssock_param.ciphers_num = listener->tls_setting.ciphers_num;
ssock_param.ciphers = listener->tls_setting.ciphers;
ssock_param.qos_type = listener->tls_setting.qos_type;
ssock_param.qos_ignore_error = listener->tls_setting.qos_ignore_error;
pj_memcpy(&ssock_param.qos_params, &listener->tls_setting.qos_params,
sizeof(ssock_param.qos_params));
switch(listener->tls_setting.method) {
case PJSIP_TLSV1_METHOD:
ssock_param.proto = PJ_SSL_SOCK_PROTO_TLS1;
break;
case PJSIP_SSLV2_METHOD:
ssock_param.proto = PJ_SSL_SOCK_PROTO_SSL2;
break;
case PJSIP_SSLV3_METHOD:
ssock_param.proto = PJ_SSL_SOCK_PROTO_SSL3;
break;
case PJSIP_SSLV23_METHOD:
ssock_param.proto = PJ_SSL_SOCK_PROTO_SSL23;
break;
default:
ssock_param.proto = PJ_SSL_SOCK_PROTO_DEFAULT;
break;
}
status = pj_ssl_sock_create(pool, &ssock_param, &ssock);
if (status != PJ_SUCCESS)
return status;
/* Apply SSL certificate */
if (listener->cert) {
status = pj_ssl_sock_set_certificate(ssock, pool, listener->cert);
if (status != PJ_SUCCESS)
return status;
}
/* Initially set bind address to PJ_INADDR_ANY port 0 */
pj_sockaddr_in_init(&local_addr, NULL, 0);
/* Create the transport descriptor */
status = tls_create(listener, pool, ssock, PJ_FALSE, &local_addr,
(pj_sockaddr_in*)rem_addr, &remote_name, &tls);
if (status != PJ_SUCCESS)
return status;
/* Set the "pending" SSL socket user data */
pj_ssl_sock_set_user_data(tls->ssock, tls);
/* Start asynchronous connect() operation */
tls->has_pending_connect = PJ_TRUE;
status = pj_ssl_sock_start_connect(tls->ssock, tls->base.pool,
(pj_sockaddr_t*)&local_addr,
(pj_sockaddr_t*)rem_addr,
addr_len);
if (status == PJ_SUCCESS) {
on_connect_complete(tls->ssock, PJ_SUCCESS);
} else if (status != PJ_EPENDING) {
tls_destroy(&tls->base, status);
return status;
}
if (tls->has_pending_connect) {
pj_ssl_sock_info info;
/* Update local address, just in case local address currently set is
* different now that asynchronous connect() is started.
*/
/* Retrieve the bound address */
status = pj_ssl_sock_get_info(tls->ssock, &info);
if (status == PJ_SUCCESS) {
pj_uint16_t new_port;
new_port = pj_sockaddr_get_port((pj_sockaddr_t*)&info.local_addr);
if (pj_sockaddr_has_addr((pj_sockaddr_t*)&info.local_addr)) {
/* Update sockaddr */
pj_sockaddr_cp((pj_sockaddr_t*)&tls->base.local_addr,
(pj_sockaddr_t*)&info.local_addr);
} else if (new_port && new_port != pj_sockaddr_get_port(
(pj_sockaddr_t*)&tls->base.local_addr))
{
/* Update port only */
pj_sockaddr_set_port(&tls->base.local_addr,
new_port);
}
sockaddr_to_host_port(tls->base.pool, &tls->base.local_name,
(pj_sockaddr_in*)&tls->base.local_addr);
}
PJ_LOG(4,(tls->base.obj_name,
"TLS transport %.*s:%d is connecting to %.*s:%d...",
(int)tls->base.local_name.host.slen,
tls->base.local_name.host.ptr,
tls->base.local_name.port,
(int)tls->base.remote_name.host.slen,
tls->base.remote_name.host.ptr,
tls->base.remote_name.port));
}
/* Done */
*p_transport = &tls->base;
return PJ_SUCCESS;
}
/*
* This is the public API to create, initialize, register, and start the
* TLS listener.
*/
PJ_DEF(pj_status_t) pjsip_tls_transport_start (pjsip_endpoint *endpt,
const pjsip_tls_setting *opt,
const pj_sockaddr_in *local,
const pjsip_host_port *a_name,
unsigned async_cnt,
pjsip_tpfactory **p_factory)
{
pj_pool_t *pool;
struct tls_listener *listener;
pj_ssl_sock_param ssock_param;
pj_sockaddr_in *listener_addr;
pj_bool_t has_listener;
pj_status_t status;
/* Sanity check */
PJ_ASSERT_RETURN(endpt && async_cnt, PJ_EINVAL);
/* Verify that address given in a_name (if any) is valid */
if (a_name && a_name->host.slen) {
pj_sockaddr_in tmp;
status = pj_sockaddr_in_init(&tmp, &a_name->host,
(pj_uint16_t)a_name->port);
if (status != PJ_SUCCESS || tmp.sin_addr.s_addr == PJ_INADDR_ANY ||
tmp.sin_addr.s_addr == PJ_INADDR_NONE)
{
/* Invalid address */
return PJ_EINVAL;
}
}
pool = pjsip_endpt_create_pool(endpt, "tlslis", POOL_LIS_INIT,
POOL_LIS_INC);
PJ_ASSERT_RETURN(pool, PJ_ENOMEM);
listener = PJ_POOL_ZALLOC_T(pool, struct tls_listener);
listener->factory.pool = pool;
listener->factory.type = PJSIP_TRANSPORT_TLS;
listener->factory.type_name = "tls";
listener->factory.flag =
pjsip_transport_get_flag_from_type(PJSIP_TRANSPORT_TLS);
pj_ansi_strcpy(listener->factory.obj_name, "tlslis");
if (opt)
pjsip_tls_setting_copy(pool, &listener->tls_setting, opt);
else
pjsip_tls_setting_default(&listener->tls_setting);
status = pj_lock_create_recursive_mutex(pool, "tlslis",
&listener->factory.lock);
if (status != PJ_SUCCESS)
goto on_error;
if (async_cnt > MAX_ASYNC_CNT)
async_cnt = MAX_ASYNC_CNT;
/* Build SSL socket param */
pj_ssl_sock_param_default(&ssock_param);
ssock_param.cb.on_accept_complete = &on_accept_complete;
ssock_param.cb.on_data_read = &on_data_read;
ssock_param.cb.on_data_sent = &on_data_sent;
ssock_param.async_cnt = async_cnt;
ssock_param.ioqueue = pjsip_endpt_get_ioqueue(endpt);
ssock_param.require_client_cert = listener->tls_setting.require_client_cert;
ssock_param.timeout = listener->tls_setting.timeout;
ssock_param.user_data = listener;
ssock_param.verify_peer = PJ_FALSE; /* avoid SSL socket closing the socket
* due to verification error */
if (ssock_param.send_buffer_size < PJSIP_MAX_PKT_LEN)
ssock_param.send_buffer_size = PJSIP_MAX_PKT_LEN;
if (ssock_param.read_buffer_size < PJSIP_MAX_PKT_LEN)
ssock_param.read_buffer_size = PJSIP_MAX_PKT_LEN;
ssock_param.ciphers_num = listener->tls_setting.ciphers_num;
ssock_param.ciphers = listener->tls_setting.ciphers;
ssock_param.qos_type = listener->tls_setting.qos_type;
ssock_param.qos_ignore_error = listener->tls_setting.qos_ignore_error;
pj_memcpy(&ssock_param.qos_params, &listener->tls_setting.qos_params,
sizeof(ssock_param.qos_params));
has_listener = PJ_FALSE;
switch(listener->tls_setting.method) {
case PJSIP_TLSV1_METHOD:
ssock_param.proto = PJ_SSL_SOCK_PROTO_TLS1;
break;
case PJSIP_SSLV2_METHOD:
ssock_param.proto = PJ_SSL_SOCK_PROTO_SSL2;
break;
case PJSIP_SSLV3_METHOD:
ssock_param.proto = PJ_SSL_SOCK_PROTO_SSL3;
break;
case PJSIP_SSLV23_METHOD:
ssock_param.proto = PJ_SSL_SOCK_PROTO_SSL23;
break;
default:
ssock_param.proto = PJ_SSL_SOCK_PROTO_DEFAULT;
break;
}
/* Create SSL socket */
status = pj_ssl_sock_create(pool, &ssock_param, &listener->ssock);
if (status != PJ_SUCCESS)
goto on_error;
listener_addr = (pj_sockaddr_in*)&listener->factory.local_addr;
if (local) {
pj_sockaddr_cp((pj_sockaddr_t*)listener_addr,
(const pj_sockaddr_t*)local);
} else {
pj_sockaddr_in_init(listener_addr, NULL, 0);
}
/* Check if certificate/CA list for SSL socket is set */
if (listener->tls_setting.cert_file.slen ||
listener->tls_setting.ca_list_file.slen)
{
status = pj_ssl_cert_load_from_files(pool,
&listener->tls_setting.ca_list_file,
&listener->tls_setting.cert_file,
&listener->tls_setting.privkey_file,
&listener->tls_setting.password,
&listener->cert);
if (status != PJ_SUCCESS)
goto on_error;
status = pj_ssl_sock_set_certificate(listener->ssock, pool,
listener->cert);
if (status != PJ_SUCCESS)
goto on_error;
}
/* Start accepting incoming connections. Note that some TLS/SSL backends
* may not support for SSL socket server.
*/
has_listener = PJ_FALSE;
status = pj_ssl_sock_start_accept(listener->ssock, pool,
(pj_sockaddr_t*)listener_addr,
pj_sockaddr_get_len((pj_sockaddr_t*)listener_addr));
if (status == PJ_SUCCESS || status == PJ_EPENDING) {
pj_ssl_sock_info info;
has_listener = PJ_TRUE;
/* Retrieve the bound address */
status = pj_ssl_sock_get_info(listener->ssock, &info);
if (status == PJ_SUCCESS)
pj_sockaddr_cp(listener_addr, (pj_sockaddr_t*)&info.local_addr);
} else if (status != PJ_ENOTSUP) {
goto on_error;
}
/* If published host/IP is specified, then use that address as the
* listener advertised address.
*/
if (a_name && a_name->host.slen) {
/* Copy the address */
listener->factory.addr_name = *a_name;
pj_strdup(listener->factory.pool, &listener->factory.addr_name.host,
&a_name->host);
listener->factory.addr_name.port = a_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 (listener_addr->sin_addr.s_addr == 0) {
pj_sockaddr hostip;
status = pj_gethostip(pj_AF_INET(), &hostip);
if (status != PJ_SUCCESS)
goto on_error;
listener_addr->sin_addr.s_addr = hostip.ipv4.sin_addr.s_addr;
}
/* 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_ntohs(listener_addr->sin_port);
}
pj_ansi_snprintf(listener->factory.obj_name,
sizeof(listener->factory.obj_name),
"tlslis:%d", listener->factory.addr_name.port);
/* Register to transport manager */
listener->endpt = endpt;
listener->tpmgr = pjsip_endpt_get_tpmgr(endpt);
listener->factory.create_transport2 = 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;
}
if (has_listener) {
PJ_LOG(4,(listener->factory.obj_name,
"SIP TLS listener is 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));
} else {
PJ_LOG(4,(listener->factory.obj_name, "SIP TLS is ready "
"(client only)"));
}
/* Return the pointer to user */
if (p_factory) *p_factory = &listener->factory;
return PJ_SUCCESS;
on_error:
lis_destroy(&listener->factory);
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 active socket */
pj_activesock_cfg_default(&asock_cfg);
asock_cfg.async_cnt = 1;
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_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");
/* 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;
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;
}
/*
* 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;
}
/*
* This is the public API to create, initialize, register, and start the
* TCP listener.
*/
PJ_DEF(pj_status_t) pjsip_tcp_transport_start2(pjsip_endpoint *endpt,
const pj_sockaddr_in *local,
const pjsip_host_port *a_name,
unsigned async_cnt,
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_in *listener_addr;
int addr_len;
pj_status_t status;
/* Sanity check */
PJ_ASSERT_RETURN(endpt && async_cnt, PJ_EINVAL);
/* Verify that address given in a_name (if any) is valid */
if (a_name && a_name->host.slen) {
pj_sockaddr_in tmp;
status = pj_sockaddr_in_init(&tmp, &a_name->host,
(pj_uint16_t)a_name->port);
if (status != PJ_SUCCESS || tmp.sin_addr.s_addr == PJ_INADDR_ANY ||
tmp.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 = PJSIP_TRANSPORT_TCP;
listener->factory.type_name = "tcp";
listener->factory.flag =
pjsip_transport_get_flag_from_type(PJSIP_TRANSPORT_TCP);
pj_ansi_strcpy(listener->factory.obj_name, "tcplis");
status = pj_lock_create_recursive_mutex(pool, "tcplis",
&listener->factory.lock);
if (status != PJ_SUCCESS)
goto on_error;
/* Create and bind socket */
status = pj_sock_socket(pj_AF_INET(), pj_SOCK_STREAM(), 0, &sock);
if (status != PJ_SUCCESS)
goto on_error;
listener_addr = (pj_sockaddr_in*)&listener->factory.local_addr;
if (local) {
pj_memcpy(listener_addr, local, sizeof(pj_sockaddr_in));
} else {
pj_sockaddr_in_init(listener_addr, NULL, 0);
}
status = pj_sock_bind(sock, listener_addr, sizeof(pj_sockaddr_in));
if (status != PJ_SUCCESS)
goto on_error;
/* Retrieve the bound address */
addr_len = sizeof(pj_sockaddr_in);
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 (a_name && a_name->host.slen) {
/* Copy the address */
listener->factory.addr_name = *a_name;
pj_strdup(listener->factory.pool, &listener->factory.addr_name.host,
&a_name->host);
listener->factory.addr_name.port = a_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 (listener_addr->sin_addr.s_addr == 0) {
pj_sockaddr hostip;
status = pj_gethostip(pj_AF_INET(), &hostip);
if (status != PJ_SUCCESS)
goto on_error;
listener_addr->sin_addr.s_addr = hostip.ipv4.sin_addr.s_addr;
}
/* 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_ntohs(listener_addr->sin_port);
}
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 */
if (async_cnt > MAX_ASYNC_CNT) async_cnt = MAX_ASYNC_CNT;
pj_activesock_cfg_default(&asock_cfg);
asock_cfg.async_cnt = async_cnt;
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;
}