/// This provides function similar to the pjsip_endpt_send_request method
/// but includes setting the SAS trail. It does not support the timeout, token
/// or callback options.
pj_status_t PJUtils::send_request(pjsip_endpoint* endpt,
pjsip_tx_data* tdata)
{
pjsip_transaction* tsx;
pj_status_t status;
status = pjsip_tsx_create_uac(&mod_sprout_util, tdata, &tsx);
if (status != PJ_SUCCESS)
{
pjsip_tx_data_dec_ref(tdata);
return status;
}
pjsip_tsx_set_transport(tsx, &tdata->tp_sel);
// Set the trail ID in the transaction from the message.
set_trail(tsx, get_trail(tdata));
status = pjsip_tsx_send_msg(tsx, NULL);
if (status != PJ_SUCCESS)
{
pjsip_tx_data_dec_ref(tdata);
}
return status;
}
PJ_DEF(pj_status_t) pjsip_endpt_send_request( pjsip_endpoint *endpt,
pjsip_tx_data *tdata,
pj_int32_t timeout,
void *token,
pjsip_endpt_send_callback cb)
{
pjsip_transaction *tsx;
struct tsx_data *tsx_data;
pj_status_t status;
PJ_ASSERT_RETURN(endpt && tdata && (timeout==-1 || timeout>0), PJ_EINVAL);
/* Check that transaction layer module is registered to endpoint */
PJ_ASSERT_RETURN(mod_stateful_util.id != -1, PJ_EINVALIDOP);
PJ_UNUSED_ARG(timeout);
status = pjsip_tsx_create_uac(&mod_stateful_util, tdata, &tsx);
if (status != PJ_SUCCESS) {
pjsip_tx_data_dec_ref(tdata);
return status;
}
pjsip_tsx_set_transport(tsx, &tdata->tp_sel);
tsx_data = PJ_POOL_ALLOC_T(tsx->pool, struct tsx_data);
tsx_data->token = token;
tsx_data->cb = cb;
tsx->mod_data[mod_stateful_util.id] = tsx_data;
status = pjsip_tsx_send_msg(tsx, NULL);
if (status != PJ_SUCCESS)
pjsip_tx_data_dec_ref(tdata);
return status;
}
/// This provides function similar to the pjsip_endpt_send_request method
/// but includes setting the SAS trail.
pj_status_t PJUtils::send_request(pjsip_tx_data* tdata,
int retries,
void* token,
pjsip_endpt_send_callback cb)
{
pjsip_transaction* tsx;
pj_status_t status = PJ_SUCCESS;
LOG_DEBUG("Sending standalone request statefully");
// Allocate temporary storage for the request.
StatefulSendState* sss = new StatefulSendState;
// Store the user supplied callback and token.
sss->user_token = token;
sss->user_cb = cb;
if (tdata->tp_sel.type != PJSIP_TPSELECTOR_TRANSPORT)
{
// No transport determined, so resolve the next hop for the message.
resolve_next_hop(tdata, retries, sss->servers, get_trail(tdata));
if (!sss->servers.empty())
{
// Set up the destination information for the first server.
sss->current_server = 0;
set_dest_info(tdata, sss->servers[sss->current_server]);
}
else
{
// No servers found.
status = PJ_ENOTFOUND;
}
}
if (status == PJ_SUCCESS)
{
// We have servers to send the request to, so allocate a transaction.
status = pjsip_tsx_create_uac(&mod_sprout_util, tdata, &tsx);
if (status == PJ_SUCCESS)
{
// Set the trail ID in the transaction from the message.
set_trail(tsx, get_trail(tdata));
// Set up the module data for the new transaction to reference
// the state information.
tsx->mod_data[mod_sprout_util.id] = sss;
if (tdata->tp_sel.type == PJSIP_TPSELECTOR_TRANSPORT)
{
// Transport has already been determined, so copy it across to the
// transaction.
LOG_DEBUG("Transport already determined");
pjsip_tsx_set_transport(tsx, &tdata->tp_sel);
}
// Store the message and add a reference to prevent the transaction layer
// freeing it.
sss->tdata = tdata;
pjsip_tx_data_add_ref(tdata);
LOG_DEBUG("Sending request");
status = pjsip_tsx_send_msg(tsx, tdata);
}
}
if (status != PJ_SUCCESS)
{
// The assumption here is that, if pjsip_tsx_send_msg returns an error
// the on_tsx_state callback will not get called, so it is safe to free
// off the state data and request here. Also, this is an unexpected
// error rather than an indication that the destination server is down,
// so we don't blacklist.
LOG_ERROR("Failed to send request to %s",
PJUtils::uri_to_string(PJSIP_URI_IN_ROUTING_HDR,
PJUtils::next_hop(tdata->msg)).c_str());
// Only free the state data if there are no more references to it
pj_status_t dec_status = pjsip_tx_data_dec_ref(tdata);
if (dec_status == PJSIP_EBUFDESTROYED)
{
delete sss;
}
}
return status;
}
int UE::send_message(std::string dest, std::string contents)
{
timeval before;
timeval after;
pthread_mutex_lock(&_msg_mutex);
pj_str_t to;
stra(&to, dest.c_str());
pj_str_t data;
stra(&data, contents.c_str());
pj_str_t message;
stra(&message, "MESSAGE");
pjsip_tx_data* tdata;
pjsip_method msg_method;
pjsip_method_init(&msg_method, _pool, &message);
pjsip_endpt_create_request(get_global_endpoint(),
&msg_method,
&to,
&_my_uri,
&to,
&_contact,
NULL,
-1,
&data,
&tdata);
pjsip_tsx_create_uac(ua_module(), tdata, &_msg_tsx);
pjsip_tpselector sel;
sel.type = PJSIP_TPSELECTOR_TRANSPORT;
sel.u.transport = _transport;
pjsip_tsx_set_transport(_msg_tsx, &sel);
pjsip_route_hdr* rt_hdr = pjsip_route_hdr_create(tdata->pool);
rt_hdr->name_addr.uri = _server_uri;
pjsip_msg_insert_first_hdr(tdata->msg, (pjsip_hdr*)rt_hdr);
_msg_tsx->mod_data[ua_module()->id] = this;
pj_grp_lock_add_ref(_msg_tsx->grp_lock);
gettimeofday(&before, NULL);
pj_status_t status = pjsip_tsx_send_msg(_msg_tsx, NULL);
if (status != PJ_SUCCESS)
{
pthread_mutex_unlock(&_msg_mutex);
return -1;
}
while (_msg_tsx->state < PJSIP_TSX_STATE_COMPLETED)
{
pthread_cond_wait(&_msg_cond, &_msg_mutex);
}
gettimeofday(&after, NULL);
//unsigned long latency = ((after.tv_sec - before.tv_sec) * 1000000) + (after.tv_usec - before.tv_usec);
//printf("Message latency is %lu\n", latency);
int ret = _msg_tsx->status_code;
pj_grp_lock_dec_ref(_msg_tsx->grp_lock);
_msg_tsx = NULL;
pthread_mutex_unlock(&_msg_mutex);
return ret;
}
