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; }