pjsip_tx_data* PJUtils::clone_tdata(pjsip_tx_data* tdata)
{
pjsip_tx_data* cloned_tdata;
pj_status_t status;
status = pjsip_endpt_create_tdata(stack_data.endpt, &cloned_tdata);
if (status != PJ_SUCCESS)
{
return NULL;
}
// Always increment ref counter to 1.
pjsip_tx_data_add_ref(cloned_tdata);
// Clone the message from the supplied tdata.
cloned_tdata->msg = pjsip_msg_clone(cloned_tdata->pool, tdata->msg);
if (cloned_tdata->msg == NULL)
{
pjsip_tx_data_dec_ref(cloned_tdata);
cloned_tdata = NULL;
}
// Copy the trail identifier to the cloned message.
set_trail(cloned_tdata, get_trail(tdata));
if (tdata->msg->type == PJSIP_REQUEST_MSG)
{
// Substitute the branch value in the top Via header with a unique
// branch identifier.
generate_new_branch_id(cloned_tdata);
}
// If the original message already had a specified transport set this
// on the clone. (Must use pjsip_tx_data_set_transport to ensure
// reference counts get updated.)
if (tdata->tp_sel.type == PJSIP_TPSELECTOR_TRANSPORT)
{
pjsip_tx_data_set_transport(cloned_tdata, &tdata->tp_sel);
}
// If the message has any addr in dest_info, copy that
if (tdata->dest_info.addr.count != 0)
{
pj_memcpy(&cloned_tdata->dest_info, &tdata->dest_info, sizeof(cloned_tdata->dest_info));
}
return cloned_tdata;
}
PJ_DEF(pj_status_t) pjsip_regc_send(pjsip_regc *regc, pjsip_tx_data *tdata)
{
pj_status_t status;
pjsip_cseq_hdr *cseq_hdr;
pjsip_expires_hdr *expires_hdr;
pj_uint32_t cseq;
pj_atomic_inc(regc->busy_ctr);
pj_lock_acquire(regc->lock);
/* Make sure we don't have pending transaction. */
if (regc->has_tsx) {
PJ_LOG(4,(THIS_FILE, "Unable to send request, regc has another "
"transaction pending"));
pjsip_tx_data_dec_ref( tdata );
pj_lock_release(regc->lock);
pj_atomic_dec(regc->busy_ctr);
return PJSIP_EBUSY;
}
pj_assert(regc->current_op == REGC_IDLE);
/* Invalidate message buffer. */
pjsip_tx_data_invalidate_msg(tdata);
/* Increment CSeq */
cseq = ++regc->cseq_hdr->cseq;
cseq_hdr = (pjsip_cseq_hdr*)
pjsip_msg_find_hdr(tdata->msg, PJSIP_H_CSEQ, NULL);
cseq_hdr->cseq = cseq;
/* Find Expires header */
expires_hdr = (pjsip_expires_hdr*)
pjsip_msg_find_hdr(tdata->msg, PJSIP_H_EXPIRES, NULL);
/* Bind to transport selector */
pjsip_tx_data_set_transport(tdata, ®c->tp_sel);
regc->has_tsx = PJ_TRUE;
/* Set current operation based on the value of Expires header */
if (expires_hdr && expires_hdr->ivalue==0)
regc->current_op = REGC_UNREGISTERING;
else
regc->current_op = REGC_REGISTERING;
/* Prevent deletion of tdata, e.g: when something wrong in sending,
* we need tdata to retrieve the transport.
*/
pjsip_tx_data_add_ref(tdata);
/* If via_addr is set, use this address for the Via header. */
if (regc->via_addr.host.slen > 0) {
tdata->via_addr = regc->via_addr;
tdata->via_tp = regc->via_tp;
}
/* Need to unlock the regc temporarily while sending the message to
* prevent deadlock (https://trac.pjsip.org/repos/ticket/1247).
* It should be safe to do this since the regc's refcount has been
* incremented.
*/
pj_lock_release(regc->lock);
/* Now send the message */
status = pjsip_endpt_send_request(regc->endpt, tdata, REGC_TSX_TIMEOUT,
regc, ®c_tsx_callback);
if (status!=PJ_SUCCESS) {
PJ_LOG(4,(THIS_FILE, "Error sending request, status=%d", status));
}
/* Reacquire the lock */
pj_lock_acquire(regc->lock);
/* Get last transport used and add reference to it */
if (tdata->tp_info.transport != regc->last_transport &&
status==PJ_SUCCESS)
{
if (regc->last_transport) {
pjsip_transport_dec_ref(regc->last_transport);
regc->last_transport = NULL;
}
if (tdata->tp_info.transport) {
regc->last_transport = tdata->tp_info.transport;
pjsip_transport_add_ref(regc->last_transport);
}
}
/* Release tdata */
pjsip_tx_data_dec_ref(tdata);
pj_lock_release(regc->lock);
/* Delete the record if user destroy regc during the callback. */
if (pj_atomic_dec_and_get(regc->busy_ctr)==0 && regc->_delete_flag) {
pjsip_regc_destroy(regc);
}
return status;
}
pjsip_tx_data* PJUtils::clone_tdata(pjsip_tx_data* tdata)
{
pjsip_tx_data* cloned_tdata;
pj_status_t status;
status = pjsip_endpt_create_tdata(stack_data.endpt, &cloned_tdata);
if (status != PJ_SUCCESS)
{
return NULL;
}
// Always increment ref counter to 1.
pjsip_tx_data_add_ref(cloned_tdata);
// Clone the message from the supplied tdata.
cloned_tdata->msg = pjsip_msg_clone(cloned_tdata->pool, tdata->msg);
if (cloned_tdata->msg == NULL)
{
pjsip_tx_data_dec_ref(cloned_tdata);
cloned_tdata = NULL;
}
// Copy the trail identifier to the cloned message.
set_trail(cloned_tdata, get_trail(tdata));
if (tdata->msg->type == PJSIP_REQUEST_MSG)
{
// Substitute the branch value in the top Via header with a unique
// branch identifier.
pjsip_via_hdr* via = (pjsip_via_hdr*)
pjsip_msg_find_hdr(cloned_tdata->msg, PJSIP_H_VIA, NULL);
via->branch_param.ptr = (char*)
pj_pool_alloc(cloned_tdata->pool, PJSIP_MAX_BRANCH_LEN);
via->branch_param.slen = PJSIP_RFC3261_BRANCH_LEN;
pj_memcpy(via->branch_param.ptr,
PJSIP_RFC3261_BRANCH_ID, PJSIP_RFC3261_BRANCH_LEN);
pj_str_t tmp;
tmp.ptr = via->branch_param.ptr + PJSIP_RFC3261_BRANCH_LEN + 2;
// I have absolutely no idea what the following two lines do, but it
// doesn't seem to work without them!
*(tmp.ptr-2) = (pj_int8_t)(via->branch_param.slen+73);
*(tmp.ptr-1) = (pj_int8_t)(via->branch_param.slen+99);
pj_generate_unique_string( &tmp );
via->branch_param.slen = PJSIP_MAX_BRANCH_LEN;
}
// If the original message already had a specified transport set this
// on the clone. (Must use pjsip_tx_data_set_transport to ensure
// reference counts get updated.)
if (tdata->tp_sel.type == PJSIP_TPSELECTOR_TRANSPORT)
{
pjsip_tx_data_set_transport(cloned_tdata, &tdata->tp_sel);
}
// If the message has any addr in dest_info, copy that
if (tdata->dest_info.addr.count != 0)
{
pj_memcpy(&cloned_tdata->dest_info, &tdata->dest_info, sizeof(cloned_tdata->dest_info));
}
return cloned_tdata;
}
/*
* Send typing indication outside dialog.
*/
PJ_DEF(pj_status_t) pjsua_im_typing( pjsua_acc_id acc_id,
const pj_str_t *to,
pj_bool_t is_typing,
const pjsua_msg_data *msg_data)
{
pjsua_im_data *im_data;
pjsip_tx_data *tdata;
pjsua_acc *acc;
pj_status_t status;
acc = &pjsua_var.acc[acc_id];
/* Create request. */
status = pjsip_endpt_create_request( pjsua_var.endpt, &pjsip_message_method,
to, &acc->cfg.id,
to, NULL, NULL, -1, NULL, &tdata);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Unable to create request", status);
return status;
}
/* If account is locked to specific transport, then set transport to
* the request.
*/
if (acc->cfg.transport_id != PJSUA_INVALID_ID) {
pjsip_tpselector tp_sel;
pjsua_init_tpselector(acc->cfg.transport_id, &tp_sel);
pjsip_tx_data_set_transport(tdata, &tp_sel);
}
/* Add accept header. */
pjsip_msg_add_hdr( tdata->msg,
(pjsip_hdr*)pjsua_im_create_accept(tdata->pool));
/* Create suitable Contact header unless a Contact header has been
* set in the account.
*/
/* Ticket #1632: According to RFC 3428:
* MESSAGE requests do not initiate dialogs.
* User Agents MUST NOT insert Contact header fields into MESSAGE requests
*/
/*
if (acc->contact.slen) {
contact = acc->contact;
} else {
status = pjsua_acc_create_uac_contact(tdata->pool, &contact, acc_id, to);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Unable to generate Contact header", status);
pjsip_tx_data_dec_ref(tdata);
return status;
}
}
pjsip_msg_add_hdr( tdata->msg, (pjsip_hdr*)
pjsip_generic_string_hdr_create(tdata->pool,
&STR_CONTACT, &contact));
*/
/* Create "application/im-iscomposing+xml" msg body. */
tdata->msg->body = pjsip_iscomposing_create_body( tdata->pool, is_typing,
NULL, NULL, -1);
/* Add additional headers etc. */
pjsua_process_msg_data(tdata, msg_data);
/* Add route set */
pjsua_set_msg_route_set(tdata, &acc->route_set);
/* If via_addr is set, use this address for the Via header. */
if (acc->cfg.allow_via_rewrite && acc->via_addr.host.slen > 0) {
tdata->via_addr = acc->via_addr;
tdata->via_tp = acc->via_tp;
}
/* Create data to reauthenticate */
im_data = PJ_POOL_ZALLOC_T(tdata->pool, pjsua_im_data);
im_data->acc_id = acc_id;
/* Send request (statefully) */
status = pjsip_endpt_send_request( pjsua_var.endpt, tdata, -1,
im_data, &typing_callback);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Unable to send request", status);
return status;
}
return PJ_SUCCESS;
}
/*
* Send instant messaging outside dialog, using the specified account for
* route set and authentication.
*/
PJ_DEF(pj_status_t) pjsua_im_send( pjsua_acc_id acc_id,
const pj_str_t *to,
const pj_str_t *mime_type,
const pj_str_t *content,
const pjsua_msg_data *msg_data,
void *user_data)
{
pjsip_tx_data *tdata;
const pj_str_t mime_text_plain = pj_str("text/plain");
pjsip_media_type media_type;
pjsua_im_data *im_data;
pjsua_acc *acc;
pj_status_t status;
/* To and message body must be specified. */
PJ_ASSERT_RETURN(to && content, PJ_EINVAL);
acc = &pjsua_var.acc[acc_id];
/* Create request. */
status = pjsip_endpt_create_request(pjsua_var.endpt,
&pjsip_message_method,
(msg_data && msg_data->target_uri.slen?
&msg_data->target_uri: to),
&acc->cfg.id,
to, NULL, NULL, -1, NULL, &tdata);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Unable to create request", status);
return status;
}
/* If account is locked to specific transport, then set transport to
* the request.
*/
if (acc->cfg.transport_id != PJSUA_INVALID_ID) {
pjsip_tpselector tp_sel;
pjsua_init_tpselector(acc->cfg.transport_id, &tp_sel);
pjsip_tx_data_set_transport(tdata, &tp_sel);
}
/* Add accept header. */
pjsip_msg_add_hdr( tdata->msg,
(pjsip_hdr*)pjsua_im_create_accept(tdata->pool));
/* Create suitable Contact header unless a Contact header has been
* set in the account.
*/
/* Ticket #1632: According to RFC 3428:
* MESSAGE requests do not initiate dialogs.
* User Agents MUST NOT insert Contact header fields into MESSAGE requests
*/
/*
if (acc->contact.slen) {
contact = acc->contact;
} else {
status = pjsua_acc_create_uac_contact(tdata->pool, &contact, acc_id, to);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Unable to generate Contact header", status);
pjsip_tx_data_dec_ref(tdata);
return status;
}
}
pjsip_msg_add_hdr( tdata->msg, (pjsip_hdr*)
pjsip_generic_string_hdr_create(tdata->pool,
&STR_CONTACT, &contact));
*/
/* Create IM data to keep message details and give it back to
* application on the callback
*/
im_data = PJ_POOL_ZALLOC_T(tdata->pool, pjsua_im_data);
im_data->acc_id = acc_id;
im_data->call_id = PJSUA_INVALID_ID;
pj_strdup_with_null(tdata->pool, &im_data->to, to);
pj_strdup_with_null(tdata->pool, &im_data->body, content);
im_data->user_data = user_data;
/* Set default media type if none is specified */
if (mime_type == NULL) {
mime_type = &mime_text_plain;
}
/* Parse MIME type */
pjsua_parse_media_type(tdata->pool, mime_type, &media_type);
/* Add message body */
tdata->msg->body = pjsip_msg_body_create( tdata->pool, &media_type.type,
&media_type.subtype,
&im_data->body);
if (tdata->msg->body == NULL) {
pjsua_perror(THIS_FILE, "Unable to create msg body", PJ_ENOMEM);
pjsip_tx_data_dec_ref(tdata);
return PJ_ENOMEM;
}
/* Add additional headers etc. */
pjsua_process_msg_data(tdata, msg_data);
/* Add route set */
pjsua_set_msg_route_set(tdata, &acc->route_set);
/* If via_addr is set, use this address for the Via header. */
if (acc->cfg.allow_via_rewrite && acc->via_addr.host.slen > 0) {
tdata->via_addr = acc->via_addr;
tdata->via_tp = acc->via_tp;
}
/* Send request (statefully) */
status = pjsip_endpt_send_request( pjsua_var.endpt, tdata, -1,
im_data, &im_callback);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Unable to send request", status);
return status;
}
return PJ_SUCCESS;
}
/*
* Send typing indication outside dialog.
*/
PJ_DEF(pj_status_t) pjsua_im_typing( pjsua_acc_id acc_id,
const pj_str_t *to,
pj_bool_t is_typing,
const pjsua_msg_data *msg_data)
{
const pj_str_t STR_CONTACT = { "Contact", 7 };
pjsua_im_data *im_data;
pjsip_tx_data *tdata;
pj_str_t contact;
pj_status_t status;
/* Create request. */
status = pjsip_endpt_create_request( pjsua_var.endpt, &pjsip_message_method,
to, &pjsua_var.acc[acc_id].cfg.id,
to, NULL, NULL, -1, NULL, &tdata);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Unable to create request", status);
return status;
}
/* If account is locked to specific transport, then set transport to
* the request.
*/
if (pjsua_var.acc[acc_id].cfg.transport_id != PJSUA_INVALID_ID) {
pjsip_tpselector tp_sel;
pjsua_init_tpselector(pjsua_var.acc[acc_id].cfg.transport_id, &tp_sel);
pjsip_tx_data_set_transport(tdata, &tp_sel);
}
/* Add accept header. */
pjsip_msg_add_hdr( tdata->msg,
(pjsip_hdr*)pjsua_im_create_accept(tdata->pool));
/* Add contact. */
status = pjsua_acc_create_uac_contact(tdata->pool, &contact, acc_id, to);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Unable to generate Contact header", status);
pjsip_tx_data_dec_ref(tdata);
return status;
}
pjsip_msg_add_hdr( tdata->msg, (pjsip_hdr*)
pjsip_generic_string_hdr_create(tdata->pool,
&STR_CONTACT, &contact));
/* Create "application/im-iscomposing+xml" msg body. */
tdata->msg->body = pjsip_iscomposing_create_body( tdata->pool, is_typing,
NULL, NULL, -1);
/* Add additional headers etc. */
pjsua_process_msg_data(tdata, msg_data);
/* Add route set */
pjsua_set_msg_route_set(tdata, &pjsua_var.acc[acc_id].route_set);
/* Create data to reauthenticate */
im_data = PJ_POOL_ZALLOC_T(tdata->pool, pjsua_im_data);
im_data->acc_id = acc_id;
/* Send request (statefully) */
status = pjsip_endpt_send_request( pjsua_var.endpt, tdata, -1,
im_data, &typing_callback);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Unable to send request", status);
return status;
}
return PJ_SUCCESS;
}
/*
* Send instant messaging outside dialog, using the specified account for
* route set and authentication.
*/
PJ_DEF(pj_status_t) pjsua_im_send( pjsua_acc_id acc_id,
const pj_str_t *to,
const pj_str_t *mime_type,
const pj_str_t *content,
const pjsua_msg_data *msg_data,
void *user_data)
{
pjsip_tx_data *tdata;
const pj_str_t mime_text_plain = pj_str("text/plain");
const pj_str_t STR_CONTACT = { "Contact", 7 };
pjsip_media_type media_type;
pjsua_im_data *im_data;
pj_str_t contact;
pj_status_t status;
/* To and message body must be specified. */
PJ_ASSERT_RETURN(to && content, PJ_EINVAL);
/* Create request. */
status = pjsip_endpt_create_request(pjsua_var.endpt,
&pjsip_message_method, to,
&pjsua_var.acc[acc_id].cfg.id,
to, NULL, NULL, -1, NULL, &tdata);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Unable to create request", status);
return status;
}
/* If account is locked to specific transport, then set transport to
* the request.
*/
if (pjsua_var.acc[acc_id].cfg.transport_id != PJSUA_INVALID_ID) {
pjsip_tpselector tp_sel;
pjsua_init_tpselector(pjsua_var.acc[acc_id].cfg.transport_id, &tp_sel);
pjsip_tx_data_set_transport(tdata, &tp_sel);
}
/* Add accept header. */
pjsip_msg_add_hdr( tdata->msg,
(pjsip_hdr*)pjsua_im_create_accept(tdata->pool));
/* Add contact. */
status = pjsua_acc_create_uac_contact(tdata->pool, &contact, acc_id, to);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Unable to generate Contact header", status);
pjsip_tx_data_dec_ref(tdata);
return status;
}
pjsip_msg_add_hdr( tdata->msg, (pjsip_hdr*)
pjsip_generic_string_hdr_create(tdata->pool,
&STR_CONTACT, &contact));
/* Create IM data to keep message details and give it back to
* application on the callback
*/
im_data = PJ_POOL_ZALLOC_T(tdata->pool, pjsua_im_data);
im_data->acc_id = acc_id;
im_data->call_id = PJSUA_INVALID_ID;
pj_strdup_with_null(tdata->pool, &im_data->to, to);
pj_strdup_with_null(tdata->pool, &im_data->body, content);
im_data->user_data = user_data;
/* Set default media type if none is specified */
if (mime_type == NULL) {
mime_type = &mime_text_plain;
}
/* Parse MIME type */
pjsua_parse_media_type(tdata->pool, mime_type, &media_type);
/* Add message body */
tdata->msg->body = pjsip_msg_body_create( tdata->pool, &media_type.type,
&media_type.subtype,
&im_data->body);
if (tdata->msg->body == NULL) {
pjsua_perror(THIS_FILE, "Unable to create msg body", PJ_ENOMEM);
pjsip_tx_data_dec_ref(tdata);
return PJ_ENOMEM;
}
/* Add additional headers etc. */
pjsua_process_msg_data(tdata, msg_data);
/* Add route set */
pjsua_set_msg_route_set(tdata, &pjsua_var.acc[acc_id].route_set);
/* Send request (statefully) */
status = pjsip_endpt_send_request( pjsua_var.endpt, tdata, -1,
im_data, &im_callback);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Unable to send request", status);
return status;
}
return PJ_SUCCESS;
}
PJ_DEF(pj_status_t) pjsip_regc_send(pjsip_regc *regc, pjsip_tx_data *tdata)
{
pj_status_t status;
pjsip_cseq_hdr *cseq_hdr;
pjsip_expires_hdr *expires_hdr;
pj_uint32_t cseq;
pj_atomic_inc(regc->busy_ctr);
pj_lock_acquire(regc->lock);
/* Make sure we don't have pending transaction. */
if (regc->has_tsx) {
PJ_LOG(4,(THIS_FILE, "Unable to send request, regc has another "
"transaction pending"));
pjsip_tx_data_dec_ref( tdata );
pj_lock_release(regc->lock);
pj_atomic_dec(regc->busy_ctr);
return PJSIP_EBUSY;
}
pj_assert(regc->current_op == REGC_IDLE);
/* Invalidate message buffer. */
pjsip_tx_data_invalidate_msg(tdata);
/* Increment CSeq */
cseq = ++regc->cseq_hdr->cseq;
cseq_hdr = (pjsip_cseq_hdr*)
pjsip_msg_find_hdr(tdata->msg, PJSIP_H_CSEQ, NULL);
cseq_hdr->cseq = cseq;
/* Find Expires header */
expires_hdr = (pjsip_expires_hdr*)
pjsip_msg_find_hdr(tdata->msg, PJSIP_H_EXPIRES, NULL);
/* Bind to transport selector */
pjsip_tx_data_set_transport(tdata, ®c->tp_sel);
regc->has_tsx = PJ_TRUE;
/* Set current operation based on the value of Expires header */
if (expires_hdr && expires_hdr->ivalue==0)
regc->current_op = REGC_UNREGISTERING;
else
regc->current_op = REGC_REGISTERING;
status = pjsip_endpt_send_request(regc->endpt, tdata, REGC_TSX_TIMEOUT,
regc, &tsx_callback);
if (status!=PJ_SUCCESS) {
PJ_LOG(4,(THIS_FILE, "Error sending request, status=%d", status));
}
pj_lock_release(regc->lock);
/* Delete the record if user destroy regc during the callback. */
if (pj_atomic_dec_and_get(regc->busy_ctr)==0 && regc->_delete_flag) {
pjsip_regc_destroy(regc);
}
return status;
}
