| /* $Id$ */ |
| /* |
| * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com) |
| * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| #include <pjsua-lib/pjsua.h> |
| #include <pjsua-lib/pjsua_internal.h> |
| |
| |
| #define THIS_FILE "pjsua_im.h" |
| |
| |
| /* Declare MESSAGE method */ |
| /* We put PJSIP_MESSAGE_METHOD as the enum here, so that when |
| * somebody add that method into pjsip_method_e in sip_msg.h we |
| * will get an error here. |
| */ |
| enum |
| { |
| PJSIP_MESSAGE_METHOD = PJSIP_OTHER_METHOD |
| }; |
| |
| const pjsip_method pjsip_message_method = |
| { |
| (pjsip_method_e) PJSIP_MESSAGE_METHOD, |
| { "MESSAGE", 7 } |
| }; |
| |
| |
| /* Proto */ |
| static pj_bool_t im_on_rx_request(pjsip_rx_data *rdata); |
| |
| |
| /* The module instance. */ |
| static pjsip_module mod_pjsua_im = |
| { |
| NULL, NULL, /* prev, next. */ |
| { "mod-pjsua-im", 12 }, /* Name. */ |
| -1, /* Id */ |
| PJSIP_MOD_PRIORITY_APPLICATION, /* Priority */ |
| NULL, /* load() */ |
| NULL, /* start() */ |
| NULL, /* stop() */ |
| NULL, /* unload() */ |
| &im_on_rx_request, /* on_rx_request() */ |
| NULL, /* on_rx_response() */ |
| NULL, /* on_tx_request. */ |
| NULL, /* on_tx_response() */ |
| NULL, /* on_tsx_state() */ |
| |
| }; |
| |
| |
| /* MIME constants. */ |
| static const pj_str_t STR_MIME_APP = { "application", 11 }; |
| static const pj_str_t STR_MIME_ISCOMPOSING = { "im-iscomposing+xml", 18 }; |
| static const pj_str_t STR_MIME_TEXT = { "text", 4 }; |
| static const pj_str_t STR_MIME_PLAIN = { "plain", 5 }; |
| |
| |
| /* Check if content type is acceptable */ |
| #if 0 |
| static pj_bool_t acceptable_message(const pjsip_media_type *mime) |
| { |
| return (pj_stricmp(&mime->type, &STR_MIME_TEXT)==0 && |
| pj_stricmp(&mime->subtype, &STR_MIME_PLAIN)==0) |
| || |
| (pj_stricmp(&mime->type, &STR_MIME_APP)==0 && |
| pj_stricmp(&mime->subtype, &STR_MIME_ISCOMPOSING)==0); |
| } |
| #endif |
| |
| /** |
| * Create Accept header for MESSAGE. |
| */ |
| pjsip_accept_hdr* pjsua_im_create_accept(pj_pool_t *pool) |
| { |
| /* Create Accept header. */ |
| pjsip_accept_hdr *accept; |
| |
| accept = pjsip_accept_hdr_create(pool); |
| accept->values[0] = pj_str("text/plain"); |
| accept->values[1] = pj_str("application/im-iscomposing+xml"); |
| accept->count = 2; |
| |
| return accept; |
| } |
| |
| /** |
| * Private: check if we can accept the message. |
| */ |
| pj_bool_t pjsua_im_accept_pager(pjsip_rx_data *rdata, |
| pjsip_accept_hdr **p_accept_hdr) |
| { |
| /* Some UA sends text/html, so this check will break */ |
| #if 0 |
| pjsip_ctype_hdr *ctype; |
| pjsip_msg *msg; |
| |
| msg = rdata->msg_info.msg; |
| |
| /* Request MUST have message body, with Content-Type equal to |
| * "text/plain". |
| */ |
| ctype = (pjsip_ctype_hdr*) |
| pjsip_msg_find_hdr(msg, PJSIP_H_CONTENT_TYPE, NULL); |
| if (msg->body == NULL || ctype == NULL || |
| !acceptable_message(&ctype->media)) |
| { |
| /* Create Accept header. */ |
| if (p_accept_hdr) |
| *p_accept_hdr = pjsua_im_create_accept(rdata->tp_info.pool); |
| |
| return PJ_FALSE; |
| } |
| #elif 0 |
| pjsip_msg *msg; |
| |
| msg = rdata->msg_info.msg; |
| if (msg->body == NULL) { |
| /* Create Accept header. */ |
| if (p_accept_hdr) |
| *p_accept_hdr = pjsua_im_create_accept(rdata->tp_info.pool); |
| |
| return PJ_FALSE; |
| } |
| #else |
| /* Ticket #693: allow incoming MESSAGE without message body */ |
| PJ_UNUSED_ARG(rdata); |
| PJ_UNUSED_ARG(p_accept_hdr); |
| #endif |
| |
| return PJ_TRUE; |
| } |
| |
| /** |
| * Private: process pager message. |
| * This may trigger pjsua_ui_on_pager() or pjsua_ui_on_typing(). |
| */ |
| void pjsua_im_process_pager(int call_id, const pj_str_t *from, |
| const pj_str_t *to, pjsip_rx_data *rdata) |
| { |
| pjsip_contact_hdr *contact_hdr; |
| pj_str_t contact; |
| pjsip_msg_body *body = rdata->msg_info.msg->body; |
| |
| #if 0 |
| /* Ticket #693: allow incoming MESSAGE without message body */ |
| /* Body MUST have been checked before */ |
| pj_assert(body != NULL); |
| #endif |
| |
| |
| /* Build remote contact */ |
| contact_hdr = (pjsip_contact_hdr*) |
| pjsip_msg_find_hdr(rdata->msg_info.msg, PJSIP_H_CONTACT, |
| NULL); |
| if (contact_hdr && contact_hdr->uri) { |
| contact.ptr = (char*) pj_pool_alloc(rdata->tp_info.pool, |
| PJSIP_MAX_URL_SIZE); |
| contact.slen = pjsip_uri_print(PJSIP_URI_IN_CONTACT_HDR, |
| contact_hdr->uri, contact.ptr, |
| PJSIP_MAX_URL_SIZE); |
| } else { |
| contact.slen = 0; |
| } |
| |
| if (body && pj_stricmp(&body->content_type.type, &STR_MIME_APP)==0 && |
| pj_stricmp(&body->content_type.subtype, &STR_MIME_ISCOMPOSING)==0) |
| { |
| /* Expecting typing indication */ |
| pj_status_t status; |
| pj_bool_t is_typing; |
| |
| status = pjsip_iscomposing_parse(rdata->tp_info.pool, (char*)body->data, |
| body->len, &is_typing, NULL, NULL, |
| NULL ); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Invalid MESSAGE body", status); |
| return; |
| } |
| |
| if (pjsua_var.ua_cfg.cb.on_typing) { |
| (*pjsua_var.ua_cfg.cb.on_typing)(call_id, from, to, &contact, |
| is_typing); |
| } |
| |
| if (pjsua_var.ua_cfg.cb.on_typing2) { |
| pjsua_acc_id acc_id; |
| |
| if (call_id == PJSUA_INVALID_ID) { |
| acc_id = pjsua_acc_find_for_incoming(rdata); |
| } else { |
| pjsua_call *call = &pjsua_var.calls[call_id]; |
| acc_id = call->acc_id; |
| } |
| |
| |
| (*pjsua_var.ua_cfg.cb.on_typing2)(call_id, from, to, &contact, |
| is_typing, rdata, acc_id); |
| } |
| |
| } else { |
| pj_str_t mime_type; |
| char buf[256]; |
| pjsip_media_type *m; |
| pj_str_t text_body; |
| |
| /* Save text body */ |
| if (body) { |
| text_body.ptr = (char*)rdata->msg_info.msg->body->data; |
| text_body.slen = rdata->msg_info.msg->body->len; |
| |
| /* Get mime type */ |
| m = &rdata->msg_info.msg->body->content_type; |
| mime_type.ptr = buf; |
| mime_type.slen = pj_ansi_snprintf(buf, sizeof(buf), |
| "%.*s/%.*s", |
| (int)m->type.slen, |
| m->type.ptr, |
| (int)m->subtype.slen, |
| m->subtype.ptr); |
| if (mime_type.slen < 1) |
| mime_type.slen = 0; |
| |
| |
| } else { |
| text_body.ptr = mime_type.ptr = ""; |
| text_body.slen = mime_type.slen = 0; |
| } |
| |
| if (pjsua_var.ua_cfg.cb.on_pager) { |
| (*pjsua_var.ua_cfg.cb.on_pager)(call_id, from, to, &contact, |
| &mime_type, &text_body); |
| } |
| |
| if (pjsua_var.ua_cfg.cb.on_pager2) { |
| pjsua_acc_id acc_id; |
| |
| if (call_id == PJSUA_INVALID_ID) { |
| acc_id = pjsua_acc_find_for_incoming(rdata); |
| } else { |
| pjsua_call *call = &pjsua_var.calls[call_id]; |
| acc_id = call->acc_id; |
| } |
| |
| (*pjsua_var.ua_cfg.cb.on_pager2)(call_id, from, to, &contact, |
| &mime_type, &text_body, rdata, |
| acc_id); |
| } |
| } |
| } |
| |
| |
| /* |
| * Handler to receive incoming MESSAGE |
| */ |
| static pj_bool_t im_on_rx_request(pjsip_rx_data *rdata) |
| { |
| pj_str_t from, to; |
| pjsip_accept_hdr *accept_hdr; |
| pjsip_msg *msg; |
| pj_status_t status; |
| |
| msg = rdata->msg_info.msg; |
| |
| /* Only want to handle MESSAGE requests. */ |
| if (pjsip_method_cmp(&msg->line.req.method, &pjsip_message_method) != 0) { |
| return PJ_FALSE; |
| } |
| |
| |
| /* Should not have any transaction attached to rdata. */ |
| PJ_ASSERT_RETURN(pjsip_rdata_get_tsx(rdata)==NULL, PJ_FALSE); |
| |
| /* Should not have any dialog attached to rdata. */ |
| PJ_ASSERT_RETURN(pjsip_rdata_get_dlg(rdata)==NULL, PJ_FALSE); |
| |
| /* Check if we can accept the message. */ |
| if (!pjsua_im_accept_pager(rdata, &accept_hdr)) { |
| pjsip_hdr hdr_list; |
| |
| pj_list_init(&hdr_list); |
| pj_list_push_back(&hdr_list, accept_hdr); |
| |
| pjsip_endpt_respond_stateless(pjsua_var.endpt, rdata, |
| PJSIP_SC_NOT_ACCEPTABLE_HERE, NULL, |
| &hdr_list, NULL); |
| return PJ_TRUE; |
| } |
| |
| /* Respond with 200 first, so that remote doesn't retransmit in case |
| * the UI takes too long to process the message. |
| */ |
| status = pjsip_endpt_respond( pjsua_var.endpt, NULL, rdata, 200, NULL, |
| NULL, NULL, NULL); |
| |
| /* For the source URI, we use Contact header if present, since |
| * Contact header contains the port number information. If this is |
| * not available, then use From header. |
| */ |
| from.ptr = (char*)pj_pool_alloc(rdata->tp_info.pool, PJSIP_MAX_URL_SIZE); |
| from.slen = pjsip_uri_print(PJSIP_URI_IN_FROMTO_HDR, |
| rdata->msg_info.from->uri, |
| from.ptr, PJSIP_MAX_URL_SIZE); |
| |
| if (from.slen < 1) |
| from = pj_str("<--URI is too long-->"); |
| |
| /* Build the To text. */ |
| to.ptr = (char*) pj_pool_alloc(rdata->tp_info.pool, PJSIP_MAX_URL_SIZE); |
| to.slen = pjsip_uri_print( PJSIP_URI_IN_FROMTO_HDR, |
| rdata->msg_info.to->uri, |
| to.ptr, PJSIP_MAX_URL_SIZE); |
| if (to.slen < 1) |
| to = pj_str("<--URI is too long-->"); |
| |
| /* Process pager. */ |
| pjsua_im_process_pager(-1, &from, &to, rdata); |
| |
| /* Done. */ |
| return PJ_TRUE; |
| } |
| |
| |
| /* Outgoing IM callback. */ |
| static void im_callback(void *token, pjsip_event *e) |
| { |
| pjsua_im_data *im_data = (pjsua_im_data*) token; |
| |
| if (e->type == PJSIP_EVENT_TSX_STATE) { |
| |
| pjsip_transaction *tsx = e->body.tsx_state.tsx; |
| |
| /* Ignore provisional response, if any */ |
| if (tsx->status_code < 200) |
| return; |
| |
| |
| /* Handle authentication challenges */ |
| if (e->body.tsx_state.type == PJSIP_EVENT_RX_MSG && |
| (tsx->status_code == 401 || tsx->status_code == 407)) |
| { |
| pjsip_rx_data *rdata = e->body.tsx_state.src.rdata; |
| pjsip_tx_data *tdata; |
| pjsip_auth_clt_sess auth; |
| pj_status_t status; |
| |
| PJ_LOG(4,(THIS_FILE, "Resending IM with authentication")); |
| |
| /* Create temporary authentication session */ |
| pjsip_auth_clt_init(&auth,pjsua_var.endpt,rdata->tp_info.pool, 0); |
| |
| pjsip_auth_clt_set_credentials(&auth, |
| pjsua_var.acc[im_data->acc_id].cred_cnt, |
| pjsua_var.acc[im_data->acc_id].cred); |
| |
| pjsip_auth_clt_set_prefs(&auth, |
| &pjsua_var.acc[im_data->acc_id].cfg.auth_pref); |
| |
| status = pjsip_auth_clt_reinit_req(&auth, rdata, tsx->last_tx, |
| &tdata); |
| if (status == PJ_SUCCESS) { |
| pjsua_im_data *im_data2; |
| |
| /* Must duplicate im_data */ |
| im_data2 = pjsua_im_data_dup(tdata->pool, im_data); |
| |
| /* Increment CSeq */ |
| PJSIP_MSG_CSEQ_HDR(tdata->msg)->cseq++; |
| |
| /* Re-send request */ |
| status = pjsip_endpt_send_request( pjsua_var.endpt, tdata, -1, |
| im_data2, &im_callback); |
| if (status == PJ_SUCCESS) { |
| /* Done */ |
| return; |
| } |
| } |
| } |
| |
| if (tsx->status_code/100 == 2) { |
| PJ_LOG(4,(THIS_FILE, |
| "Message \'%s\' delivered successfully", |
| im_data->body.ptr)); |
| } else { |
| PJ_LOG(3,(THIS_FILE, |
| "Failed to deliver message \'%s\': %d/%.*s", |
| im_data->body.ptr, |
| tsx->status_code, |
| (int)tsx->status_text.slen, |
| tsx->status_text.ptr)); |
| } |
| |
| if (pjsua_var.ua_cfg.cb.on_pager_status) { |
| pjsua_var.ua_cfg.cb.on_pager_status(im_data->call_id, |
| &im_data->to, |
| &im_data->body, |
| im_data->user_data, |
| (pjsip_status_code) |
| tsx->status_code, |
| &tsx->status_text); |
| } |
| |
| if (pjsua_var.ua_cfg.cb.on_pager_status2) { |
| pjsip_rx_data *rdata; |
| |
| if (e->body.tsx_state.type == PJSIP_EVENT_RX_MSG) |
| rdata = e->body.tsx_state.src.rdata; |
| else |
| rdata = NULL; |
| |
| pjsua_var.ua_cfg.cb.on_pager_status2(im_data->call_id, |
| &im_data->to, |
| &im_data->body, |
| im_data->user_data, |
| (pjsip_status_code) |
| tsx->status_code, |
| &tsx->status_text, |
| tsx->last_tx, |
| rdata, im_data->acc_id); |
| } |
| } |
| } |
| |
| |
| /* Outgoing typing indication callback. |
| * (used to reauthenticate request) |
| */ |
| static void typing_callback(void *token, pjsip_event *e) |
| { |
| pjsua_im_data *im_data = (pjsua_im_data*) token; |
| |
| if (e->type == PJSIP_EVENT_TSX_STATE) { |
| |
| pjsip_transaction *tsx = e->body.tsx_state.tsx; |
| |
| /* Ignore provisional response, if any */ |
| if (tsx->status_code < 200) |
| return; |
| |
| /* Handle authentication challenges */ |
| if (e->body.tsx_state.type == PJSIP_EVENT_RX_MSG && |
| (tsx->status_code == 401 || tsx->status_code == 407)) |
| { |
| pjsip_rx_data *rdata = e->body.tsx_state.src.rdata; |
| pjsip_tx_data *tdata; |
| pjsip_auth_clt_sess auth; |
| pj_status_t status; |
| |
| PJ_LOG(4,(THIS_FILE, "Resending IM with authentication")); |
| |
| /* Create temporary authentication session */ |
| pjsip_auth_clt_init(&auth,pjsua_var.endpt,rdata->tp_info.pool, 0); |
| |
| pjsip_auth_clt_set_credentials(&auth, |
| pjsua_var.acc[im_data->acc_id].cred_cnt, |
| pjsua_var.acc[im_data->acc_id].cred); |
| |
| pjsip_auth_clt_set_prefs(&auth, |
| &pjsua_var.acc[im_data->acc_id].cfg.auth_pref); |
| |
| status = pjsip_auth_clt_reinit_req(&auth, rdata, tsx->last_tx, |
| &tdata); |
| if (status == PJ_SUCCESS) { |
| pjsua_im_data *im_data2; |
| |
| /* Must duplicate im_data */ |
| im_data2 = pjsua_im_data_dup(tdata->pool, im_data); |
| |
| /* Increment CSeq */ |
| PJSIP_MSG_CSEQ_HDR(tdata->msg)->cseq++; |
| |
| /* Re-send request */ |
| status = pjsip_endpt_send_request( pjsua_var.endpt, tdata, -1, |
| im_data2, &typing_callback); |
| if (status == PJ_SUCCESS) { |
| /* Done */ |
| return; |
| } |
| } |
| } |
| |
| } |
| } |
| |
| |
| /* |
| * 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) |
| { |
| 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; |
| } |
| |
| |
| /* |
| * Init pjsua IM module. |
| */ |
| pj_status_t pjsua_im_init(void) |
| { |
| const pj_str_t msg_tag = { "MESSAGE", 7 }; |
| const pj_str_t STR_MIME_TEXT_PLAIN = { "text/plain", 10 }; |
| const pj_str_t STR_MIME_APP_ISCOMPOSING = |
| { "application/im-iscomposing+xml", 30 }; |
| pj_status_t status; |
| |
| /* Register module */ |
| status = pjsip_endpt_register_module(pjsua_var.endpt, &mod_pjsua_im); |
| if (status != PJ_SUCCESS) |
| return status; |
| |
| /* Register support for MESSAGE method. */ |
| pjsip_endpt_add_capability( pjsua_var.endpt, &mod_pjsua_im, PJSIP_H_ALLOW, |
| NULL, 1, &msg_tag); |
| |
| /* Register support for "application/im-iscomposing+xml" content */ |
| pjsip_endpt_add_capability( pjsua_var.endpt, &mod_pjsua_im, PJSIP_H_ACCEPT, |
| NULL, 1, &STR_MIME_APP_ISCOMPOSING); |
| |
| /* Register support for "text/plain" content */ |
| pjsip_endpt_add_capability( pjsua_var.endpt, &mod_pjsua_im, PJSIP_H_ACCEPT, |
| NULL, 1, &STR_MIME_TEXT_PLAIN); |
| |
| return PJ_SUCCESS; |
| } |
| |