| /* $Id$ */ |
| /* |
| * 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_pres.c" |
| |
| |
| static void subscribe_buddy_presence(pjsua_buddy_id buddy_id); |
| static void unsubscribe_buddy_presence(pjsua_buddy_id buddy_id); |
| |
| |
| /* |
| * Find buddy. |
| */ |
| static pjsua_buddy_id find_buddy(const pjsip_uri *uri) |
| { |
| const pjsip_sip_uri *sip_uri; |
| unsigned i; |
| |
| uri = (const pjsip_uri*) pjsip_uri_get_uri((pjsip_uri*)uri); |
| |
| if (!PJSIP_URI_SCHEME_IS_SIP(uri) && !PJSIP_URI_SCHEME_IS_SIPS(uri)) |
| return PJSUA_INVALID_ID; |
| |
| sip_uri = (const pjsip_sip_uri*) uri; |
| |
| for (i=0; i<PJ_ARRAY_SIZE(pjsua_var.buddy); ++i) { |
| const pjsua_buddy *b = &pjsua_var.buddy[i]; |
| |
| if (!pjsua_buddy_is_valid(i)) |
| continue; |
| |
| if (pj_stricmp(&sip_uri->user, &b->name)==0 && |
| pj_stricmp(&sip_uri->host, &b->host)==0 && |
| (sip_uri->port==(int)b->port || (sip_uri->port==0 && b->port==5060))) |
| { |
| /* Match */ |
| return i; |
| } |
| } |
| |
| return PJSUA_INVALID_ID; |
| } |
| |
| #define LOCK_DIALOG 1 |
| #define LOCK_PJSUA 2 |
| #define LOCK_ALL (LOCK_DIALOG | LOCK_PJSUA) |
| |
| /* Buddy lock object */ |
| struct buddy_lock |
| { |
| pjsua_buddy *buddy; |
| pjsip_dialog *dlg; |
| pj_uint8_t flag; |
| }; |
| |
| /* Acquire lock to the specified buddy_id */ |
| pj_status_t lock_buddy(const char *title, |
| pjsua_buddy_id buddy_id, |
| struct buddy_lock *lck, |
| unsigned _unused_) |
| { |
| enum { MAX_RETRY=50 }; |
| pj_bool_t has_pjsua_lock = PJ_FALSE; |
| unsigned retry; |
| |
| PJ_UNUSED_ARG(_unused_); |
| |
| pj_bzero(lck, sizeof(*lck)); |
| |
| for (retry=0; retry<MAX_RETRY; ++retry) { |
| |
| if (PJSUA_TRY_LOCK() != PJ_SUCCESS) { |
| pj_thread_sleep(retry/10); |
| continue; |
| } |
| |
| has_pjsua_lock = PJ_TRUE; |
| lck->flag = LOCK_PJSUA; |
| lck->buddy = &pjsua_var.buddy[buddy_id]; |
| |
| if (lck->buddy->dlg == NULL) |
| return PJ_SUCCESS; |
| |
| if (pjsip_dlg_try_inc_lock(lck->buddy->dlg) != PJ_SUCCESS) { |
| lck->flag = 0; |
| lck->buddy = NULL; |
| has_pjsua_lock = PJ_FALSE; |
| PJSUA_UNLOCK(); |
| pj_thread_sleep(retry/10); |
| continue; |
| } |
| |
| lck->dlg = lck->buddy->dlg; |
| lck->flag = LOCK_DIALOG; |
| PJSUA_UNLOCK(); |
| |
| break; |
| } |
| |
| if (lck->flag == 0) { |
| if (has_pjsua_lock == PJ_FALSE) |
| PJ_LOG(1,(THIS_FILE, "Timed-out trying to acquire PJSUA mutex " |
| "(possibly system has deadlocked) in %s", |
| title)); |
| else |
| PJ_LOG(1,(THIS_FILE, "Timed-out trying to acquire dialog mutex " |
| "(possibly system has deadlocked) in %s", |
| title)); |
| return PJ_ETIMEDOUT; |
| } |
| |
| return PJ_SUCCESS; |
| } |
| |
| /* Release buddy lock */ |
| static void unlock_buddy(struct buddy_lock *lck) |
| { |
| if (lck->flag & LOCK_DIALOG) |
| pjsip_dlg_dec_lock(lck->dlg); |
| |
| if (lck->flag & LOCK_PJSUA) |
| PJSUA_UNLOCK(); |
| } |
| |
| |
| /* |
| * Get total number of buddies. |
| */ |
| PJ_DEF(unsigned) pjsua_get_buddy_count(void) |
| { |
| return pjsua_var.buddy_cnt; |
| } |
| |
| |
| /* |
| * Find buddy. |
| */ |
| PJ_DEF(pjsua_buddy_id) pjsua_buddy_find(const pj_str_t *uri_str) |
| { |
| pj_str_t input; |
| pj_pool_t *pool; |
| pjsip_uri *uri; |
| pjsua_buddy_id buddy_id; |
| |
| pool = pjsua_pool_create("buddyfind", 512, 512); |
| pj_strdup_with_null(pool, &input, uri_str); |
| |
| uri = pjsip_parse_uri(pool, input.ptr, input.slen, 0); |
| if (!uri) |
| buddy_id = PJSUA_INVALID_ID; |
| else { |
| PJSUA_LOCK(); |
| buddy_id = find_buddy(uri); |
| PJSUA_UNLOCK(); |
| } |
| |
| pj_pool_release(pool); |
| |
| return buddy_id; |
| } |
| |
| |
| /* |
| * Check if buddy ID is valid. |
| */ |
| PJ_DEF(pj_bool_t) pjsua_buddy_is_valid(pjsua_buddy_id buddy_id) |
| { |
| return buddy_id>=0 && buddy_id<(int)PJ_ARRAY_SIZE(pjsua_var.buddy) && |
| pjsua_var.buddy[buddy_id].uri.slen != 0; |
| } |
| |
| |
| /* |
| * Enum buddy IDs. |
| */ |
| PJ_DEF(pj_status_t) pjsua_enum_buddies( pjsua_buddy_id ids[], |
| unsigned *count) |
| { |
| unsigned i, c; |
| |
| PJ_ASSERT_RETURN(ids && count, PJ_EINVAL); |
| |
| PJSUA_LOCK(); |
| |
| for (i=0, c=0; c<*count && i<PJ_ARRAY_SIZE(pjsua_var.buddy); ++i) { |
| if (!pjsua_var.buddy[i].uri.slen) |
| continue; |
| ids[c] = i; |
| ++c; |
| } |
| |
| *count = c; |
| |
| PJSUA_UNLOCK(); |
| |
| return PJ_SUCCESS; |
| } |
| |
| |
| /* |
| * Get detailed buddy info. |
| */ |
| PJ_DEF(pj_status_t) pjsua_buddy_get_info( pjsua_buddy_id buddy_id, |
| pjsua_buddy_info *info) |
| { |
| pj_size_t total=0; |
| struct buddy_lock lck; |
| pjsua_buddy *buddy; |
| pj_status_t status; |
| |
| PJ_ASSERT_RETURN(pjsua_buddy_is_valid(buddy_id), PJ_EINVAL); |
| |
| pj_bzero(info, sizeof(pjsua_buddy_info)); |
| |
| status = lock_buddy("pjsua_buddy_get_info()", buddy_id, &lck, 0); |
| if (status != PJ_SUCCESS) |
| return status; |
| |
| buddy = lck.buddy; |
| info->id = buddy->index; |
| if (pjsua_var.buddy[buddy_id].uri.slen == 0) { |
| unlock_buddy(&lck); |
| return PJ_SUCCESS; |
| } |
| |
| /* uri */ |
| info->uri.ptr = info->buf_ + total; |
| pj_strncpy(&info->uri, &buddy->uri, sizeof(info->buf_)-total); |
| total += info->uri.slen; |
| |
| /* contact */ |
| info->contact.ptr = info->buf_ + total; |
| pj_strncpy(&info->contact, &buddy->contact, sizeof(info->buf_)-total); |
| total += info->contact.slen; |
| |
| /* Presence status */ |
| pj_memcpy(&info->pres_status, &buddy->status, sizeof(pjsip_pres_status)); |
| |
| /* status and status text */ |
| if (buddy->sub == NULL || buddy->status.info_cnt==0) { |
| info->status = PJSUA_BUDDY_STATUS_UNKNOWN; |
| info->status_text = pj_str("?"); |
| } else if (pjsua_var.buddy[buddy_id].status.info[0].basic_open) { |
| info->status = PJSUA_BUDDY_STATUS_ONLINE; |
| |
| /* copy RPID information */ |
| info->rpid = buddy->status.info[0].rpid; |
| |
| if (info->rpid.note.slen) |
| info->status_text = info->rpid.note; |
| else |
| info->status_text = pj_str("Online"); |
| |
| } else { |
| info->status = PJSUA_BUDDY_STATUS_OFFLINE; |
| info->rpid = buddy->status.info[0].rpid; |
| |
| if (info->rpid.note.slen) |
| info->status_text = info->rpid.note; |
| else |
| info->status_text = pj_str("Offline"); |
| } |
| |
| /* monitor pres */ |
| info->monitor_pres = buddy->monitor; |
| |
| /* subscription state and termination reason */ |
| info->sub_term_code = buddy->term_code; |
| if (buddy->sub) { |
| info->sub_state = pjsip_evsub_get_state(buddy->sub); |
| info->sub_state_name = pjsip_evsub_get_state_name(buddy->sub); |
| if (info->sub_state == PJSIP_EVSUB_STATE_TERMINATED && |
| total < sizeof(info->buf_)) |
| { |
| info->sub_term_reason.ptr = info->buf_ + total; |
| pj_strncpy(&info->sub_term_reason, |
| pjsip_evsub_get_termination_reason(buddy->sub), |
| sizeof(info->buf_) - total); |
| total += info->sub_term_reason.slen; |
| } else { |
| info->sub_term_reason = pj_str(""); |
| } |
| } else if (total < sizeof(info->buf_)) { |
| info->sub_state_name = "NULL"; |
| info->sub_term_reason.ptr = info->buf_ + total; |
| pj_strncpy(&info->sub_term_reason, &buddy->term_reason, |
| sizeof(info->buf_) - total); |
| total += info->sub_term_reason.slen; |
| } else { |
| info->sub_state_name = "NULL"; |
| info->sub_term_reason = pj_str(""); |
| } |
| |
| unlock_buddy(&lck); |
| return PJ_SUCCESS; |
| } |
| |
| /* |
| * Set the user data associated with the buddy object. |
| */ |
| PJ_DEF(pj_status_t) pjsua_buddy_set_user_data( pjsua_buddy_id buddy_id, |
| void *user_data) |
| { |
| struct buddy_lock lck; |
| pj_status_t status; |
| |
| PJ_ASSERT_RETURN(pjsua_buddy_is_valid(buddy_id), PJ_EINVAL); |
| |
| status = lock_buddy("pjsua_buddy_set_user_data()", buddy_id, &lck, 0); |
| if (status != PJ_SUCCESS) |
| return status; |
| |
| pjsua_var.buddy[buddy_id].user_data = user_data; |
| |
| unlock_buddy(&lck); |
| |
| return PJ_SUCCESS; |
| } |
| |
| |
| /* |
| * Get the user data associated with the budy object. |
| */ |
| PJ_DEF(void*) pjsua_buddy_get_user_data(pjsua_buddy_id buddy_id) |
| { |
| struct buddy_lock lck; |
| pj_status_t status; |
| void *user_data; |
| |
| PJ_ASSERT_RETURN(pjsua_buddy_is_valid(buddy_id), NULL); |
| |
| status = lock_buddy("pjsua_buddy_get_user_data()", buddy_id, &lck, 0); |
| if (status != PJ_SUCCESS) |
| return NULL; |
| |
| user_data = pjsua_var.buddy[buddy_id].user_data; |
| |
| unlock_buddy(&lck); |
| |
| return user_data; |
| } |
| |
| |
| /* |
| * Reset buddy descriptor. |
| */ |
| static void reset_buddy(pjsua_buddy_id id) |
| { |
| pj_pool_t *pool = pjsua_var.buddy[id].pool; |
| pj_bzero(&pjsua_var.buddy[id], sizeof(pjsua_var.buddy[id])); |
| pjsua_var.buddy[id].pool = pool; |
| pjsua_var.buddy[id].index = id; |
| } |
| |
| |
| /* |
| * Add new buddy. |
| */ |
| PJ_DEF(pj_status_t) pjsua_buddy_add( const pjsua_buddy_config *cfg, |
| pjsua_buddy_id *p_buddy_id) |
| { |
| pjsip_name_addr *url; |
| pjsua_buddy *buddy; |
| pjsip_sip_uri *sip_uri; |
| int index; |
| pj_str_t tmp; |
| |
| PJ_ASSERT_RETURN(pjsua_var.buddy_cnt <= |
| PJ_ARRAY_SIZE(pjsua_var.buddy), |
| PJ_ETOOMANY); |
| |
| PJ_LOG(4,(THIS_FILE, "Adding buddy: %.*s", |
| (int)cfg->uri.slen, cfg->uri.ptr)); |
| pj_log_push_indent(); |
| |
| PJSUA_LOCK(); |
| |
| /* Find empty slot */ |
| for (index=0; index<(int)PJ_ARRAY_SIZE(pjsua_var.buddy); ++index) { |
| if (pjsua_var.buddy[index].uri.slen == 0) |
| break; |
| } |
| |
| /* Expect to find an empty slot */ |
| if (index == PJ_ARRAY_SIZE(pjsua_var.buddy)) { |
| PJSUA_UNLOCK(); |
| /* This shouldn't happen */ |
| pj_assert(!"index < PJ_ARRAY_SIZE(pjsua_var.buddy)"); |
| pj_log_pop_indent(); |
| return PJ_ETOOMANY; |
| } |
| |
| buddy = &pjsua_var.buddy[index]; |
| |
| /* Create pool for this buddy */ |
| if (buddy->pool) { |
| pj_pool_reset(buddy->pool); |
| } else { |
| char name[PJ_MAX_OBJ_NAME]; |
| pj_ansi_snprintf(name, sizeof(name), "buddy%03d", index); |
| buddy->pool = pjsua_pool_create(name, 512, 256); |
| } |
| |
| /* Init buffers for presence subscription status */ |
| buddy->term_reason.ptr = (char*) |
| pj_pool_alloc(buddy->pool, |
| PJSUA_BUDDY_SUB_TERM_REASON_LEN); |
| |
| /* Get name and display name for buddy */ |
| pj_strdup_with_null(buddy->pool, &tmp, &cfg->uri); |
| url = (pjsip_name_addr*)pjsip_parse_uri(buddy->pool, tmp.ptr, tmp.slen, |
| PJSIP_PARSE_URI_AS_NAMEADDR); |
| |
| if (url == NULL) { |
| pjsua_perror(THIS_FILE, "Unable to add buddy", PJSIP_EINVALIDURI); |
| pj_pool_release(buddy->pool); |
| buddy->pool = NULL; |
| PJSUA_UNLOCK(); |
| pj_log_pop_indent(); |
| return PJSIP_EINVALIDURI; |
| } |
| |
| /* Only support SIP schemes */ |
| if (!PJSIP_URI_SCHEME_IS_SIP(url) && !PJSIP_URI_SCHEME_IS_SIPS(url)) { |
| pj_pool_release(buddy->pool); |
| buddy->pool = NULL; |
| PJSUA_UNLOCK(); |
| pj_log_pop_indent(); |
| return PJSIP_EINVALIDSCHEME; |
| } |
| |
| /* Reset buddy, to make sure everything is cleared with default |
| * values |
| */ |
| reset_buddy(index); |
| |
| /* Save URI */ |
| pjsua_var.buddy[index].uri = tmp; |
| |
| sip_uri = (pjsip_sip_uri*) pjsip_uri_get_uri(url->uri); |
| pjsua_var.buddy[index].name = sip_uri->user; |
| pjsua_var.buddy[index].display = url->display; |
| pjsua_var.buddy[index].host = sip_uri->host; |
| pjsua_var.buddy[index].port = sip_uri->port; |
| pjsua_var.buddy[index].monitor = cfg->subscribe; |
| if (pjsua_var.buddy[index].port == 0) |
| pjsua_var.buddy[index].port = 5060; |
| |
| /* Save user data */ |
| pjsua_var.buddy[index].user_data = (void*)cfg->user_data; |
| |
| if (p_buddy_id) |
| *p_buddy_id = index; |
| |
| pjsua_var.buddy_cnt++; |
| |
| PJSUA_UNLOCK(); |
| |
| PJ_LOG(4,(THIS_FILE, "Buddy %d added.", index)); |
| |
| pjsua_buddy_subscribe_pres(index, cfg->subscribe); |
| |
| pj_log_pop_indent(); |
| return PJ_SUCCESS; |
| } |
| |
| |
| /* |
| * Delete buddy. |
| */ |
| PJ_DEF(pj_status_t) pjsua_buddy_del(pjsua_buddy_id buddy_id) |
| { |
| struct buddy_lock lck; |
| pj_status_t status; |
| |
| PJ_ASSERT_RETURN(buddy_id>=0 && |
| buddy_id<(int)PJ_ARRAY_SIZE(pjsua_var.buddy), |
| PJ_EINVAL); |
| |
| if (pjsua_var.buddy[buddy_id].uri.slen == 0) { |
| return PJ_SUCCESS; |
| } |
| |
| status = lock_buddy("pjsua_buddy_del()", buddy_id, &lck, 0); |
| if (status != PJ_SUCCESS) |
| return status; |
| |
| PJ_LOG(4,(THIS_FILE, "Buddy %d: deleting..", buddy_id)); |
| pj_log_push_indent(); |
| |
| /* Unsubscribe presence */ |
| pjsua_buddy_subscribe_pres(buddy_id, PJ_FALSE); |
| |
| /* Not interested with further events for this buddy */ |
| if (pjsua_var.buddy[buddy_id].sub) { |
| pjsip_evsub_set_mod_data(pjsua_var.buddy[buddy_id].sub, |
| pjsua_var.mod.id, NULL); |
| } |
| |
| /* Remove buddy */ |
| pjsua_var.buddy[buddy_id].uri.slen = 0; |
| pjsua_var.buddy_cnt--; |
| |
| /* Clear timer */ |
| if (pjsua_var.buddy[buddy_id].timer.id) { |
| pjsua_cancel_timer(&pjsua_var.buddy[buddy_id].timer); |
| pjsua_var.buddy[buddy_id].timer.id = PJ_FALSE; |
| } |
| |
| /* Reset buddy struct */ |
| reset_buddy(buddy_id); |
| |
| unlock_buddy(&lck); |
| pj_log_pop_indent(); |
| return PJ_SUCCESS; |
| } |
| |
| |
| /* |
| * Enable/disable buddy's presence monitoring. |
| */ |
| PJ_DEF(pj_status_t) pjsua_buddy_subscribe_pres( pjsua_buddy_id buddy_id, |
| pj_bool_t subscribe) |
| { |
| struct buddy_lock lck; |
| pj_status_t status; |
| |
| PJ_ASSERT_RETURN(pjsua_buddy_is_valid(buddy_id), PJ_EINVAL); |
| |
| status = lock_buddy("pjsua_buddy_subscribe_pres()", buddy_id, &lck, 0); |
| if (status != PJ_SUCCESS) |
| return status; |
| |
| PJ_LOG(4,(THIS_FILE, "Buddy %d: unsubscribing presence..", buddy_id)); |
| pj_log_push_indent(); |
| |
| lck.buddy->monitor = subscribe; |
| |
| pjsua_buddy_update_pres(buddy_id); |
| |
| unlock_buddy(&lck); |
| pj_log_pop_indent(); |
| return PJ_SUCCESS; |
| } |
| |
| |
| /* |
| * Update buddy's presence. |
| */ |
| PJ_DEF(pj_status_t) pjsua_buddy_update_pres(pjsua_buddy_id buddy_id) |
| { |
| struct buddy_lock lck; |
| pj_status_t status; |
| |
| PJ_ASSERT_RETURN(pjsua_buddy_is_valid(buddy_id), PJ_EINVAL); |
| |
| status = lock_buddy("pjsua_buddy_update_pres()", buddy_id, &lck, 0); |
| if (status != PJ_SUCCESS) |
| return status; |
| |
| PJ_LOG(4,(THIS_FILE, "Buddy %d: updating presence..", buddy_id)); |
| pj_log_push_indent(); |
| |
| /* Is this an unsubscribe request? */ |
| if (!lck.buddy->monitor) { |
| unsubscribe_buddy_presence(buddy_id); |
| unlock_buddy(&lck); |
| pj_log_pop_indent(); |
| return PJ_SUCCESS; |
| } |
| |
| /* Ignore if presence is already active for the buddy */ |
| if (lck.buddy->sub) { |
| unlock_buddy(&lck); |
| pj_log_pop_indent(); |
| return PJ_SUCCESS; |
| } |
| |
| /* Initiate presence subscription */ |
| subscribe_buddy_presence(buddy_id); |
| |
| unlock_buddy(&lck); |
| pj_log_pop_indent(); |
| return PJ_SUCCESS; |
| } |
| |
| |
| /* |
| * Dump presence subscriptions to log file. |
| */ |
| PJ_DEF(void) pjsua_pres_dump(pj_bool_t verbose) |
| { |
| unsigned acc_id; |
| unsigned i; |
| |
| |
| PJSUA_LOCK(); |
| |
| /* |
| * When no detail is required, just dump number of server and client |
| * subscriptions. |
| */ |
| if (verbose == PJ_FALSE) { |
| |
| int count = 0; |
| |
| for (acc_id=0; acc_id<PJ_ARRAY_SIZE(pjsua_var.acc); ++acc_id) { |
| |
| if (!pjsua_var.acc[acc_id].valid) |
| continue; |
| |
| if (!pj_list_empty(&pjsua_var.acc[acc_id].pres_srv_list)) { |
| struct pjsua_srv_pres *uapres; |
| |
| uapres = pjsua_var.acc[acc_id].pres_srv_list.next; |
| while (uapres != &pjsua_var.acc[acc_id].pres_srv_list) { |
| ++count; |
| uapres = uapres->next; |
| } |
| } |
| } |
| |
| PJ_LOG(3,(THIS_FILE, "Number of server/UAS subscriptions: %d", |
| count)); |
| |
| count = 0; |
| |
| for (i=0; i<PJ_ARRAY_SIZE(pjsua_var.buddy); ++i) { |
| if (pjsua_var.buddy[i].uri.slen == 0) |
| continue; |
| if (pjsua_var.buddy[i].sub) { |
| ++count; |
| } |
| } |
| |
| PJ_LOG(3,(THIS_FILE, "Number of client/UAC subscriptions: %d", |
| count)); |
| PJSUA_UNLOCK(); |
| return; |
| } |
| |
| |
| /* |
| * Dumping all server (UAS) subscriptions |
| */ |
| PJ_LOG(3,(THIS_FILE, "Dumping pjsua server subscriptions:")); |
| |
| for (acc_id=0; acc_id<(int)PJ_ARRAY_SIZE(pjsua_var.acc); ++acc_id) { |
| |
| if (!pjsua_var.acc[acc_id].valid) |
| continue; |
| |
| PJ_LOG(3,(THIS_FILE, " %.*s", |
| (int)pjsua_var.acc[acc_id].cfg.id.slen, |
| pjsua_var.acc[acc_id].cfg.id.ptr)); |
| |
| if (pj_list_empty(&pjsua_var.acc[acc_id].pres_srv_list)) { |
| |
| PJ_LOG(3,(THIS_FILE, " - none - ")); |
| |
| } else { |
| struct pjsua_srv_pres *uapres; |
| |
| uapres = pjsua_var.acc[acc_id].pres_srv_list.next; |
| while (uapres != &pjsua_var.acc[acc_id].pres_srv_list) { |
| |
| PJ_LOG(3,(THIS_FILE, " %10s %s", |
| pjsip_evsub_get_state_name(uapres->sub), |
| uapres->remote)); |
| |
| uapres = uapres->next; |
| } |
| } |
| } |
| |
| /* |
| * Dumping all client (UAC) subscriptions |
| */ |
| PJ_LOG(3,(THIS_FILE, "Dumping pjsua client subscriptions:")); |
| |
| if (pjsua_var.buddy_cnt == 0) { |
| |
| PJ_LOG(3,(THIS_FILE, " - no buddy list - ")); |
| |
| } else { |
| for (i=0; i<PJ_ARRAY_SIZE(pjsua_var.buddy); ++i) { |
| |
| if (pjsua_var.buddy[i].uri.slen == 0) |
| continue; |
| |
| if (pjsua_var.buddy[i].sub) { |
| PJ_LOG(3,(THIS_FILE, " %10s %.*s", |
| pjsip_evsub_get_state_name(pjsua_var.buddy[i].sub), |
| (int)pjsua_var.buddy[i].uri.slen, |
| pjsua_var.buddy[i].uri.ptr)); |
| } else { |
| PJ_LOG(3,(THIS_FILE, " %10s %.*s", |
| "(null)", |
| (int)pjsua_var.buddy[i].uri.slen, |
| pjsua_var.buddy[i].uri.ptr)); |
| } |
| } |
| } |
| |
| PJSUA_UNLOCK(); |
| } |
| |
| |
| /*************************************************************************** |
| * Server subscription. |
| */ |
| |
| /* Proto */ |
| static pj_bool_t pres_on_rx_request(pjsip_rx_data *rdata); |
| |
| /* The module instance. */ |
| static pjsip_module mod_pjsua_pres = |
| { |
| NULL, NULL, /* prev, next. */ |
| { "mod-pjsua-pres", 14 }, /* Name. */ |
| -1, /* Id */ |
| PJSIP_MOD_PRIORITY_APPLICATION, /* Priority */ |
| NULL, /* load() */ |
| NULL, /* start() */ |
| NULL, /* stop() */ |
| NULL, /* unload() */ |
| &pres_on_rx_request, /* on_rx_request() */ |
| NULL, /* on_rx_response() */ |
| NULL, /* on_tx_request. */ |
| NULL, /* on_tx_response() */ |
| NULL, /* on_tsx_state() */ |
| |
| }; |
| |
| |
| /* Callback called when *server* subscription state has changed. */ |
| static void pres_evsub_on_srv_state( pjsip_evsub *sub, pjsip_event *event) |
| { |
| pjsua_srv_pres *uapres; |
| |
| PJ_UNUSED_ARG(event); |
| |
| PJSUA_LOCK(); |
| |
| uapres = (pjsua_srv_pres*) pjsip_evsub_get_mod_data(sub, pjsua_var.mod.id); |
| if (uapres) { |
| pjsip_evsub_state state; |
| |
| PJ_LOG(4,(THIS_FILE, "Server subscription to %s is %s", |
| uapres->remote, pjsip_evsub_get_state_name(sub))); |
| pj_log_push_indent(); |
| |
| state = pjsip_evsub_get_state(sub); |
| |
| if (pjsua_var.ua_cfg.cb.on_srv_subscribe_state) { |
| pj_str_t from; |
| |
| from = uapres->dlg->remote.info_str; |
| (*pjsua_var.ua_cfg.cb.on_srv_subscribe_state)(uapres->acc_id, |
| uapres, &from, |
| state, event); |
| } |
| |
| if (state == PJSIP_EVSUB_STATE_TERMINATED) { |
| pjsip_evsub_set_mod_data(sub, pjsua_var.mod.id, NULL); |
| pj_list_erase(uapres); |
| } |
| pj_log_pop_indent(); |
| } |
| |
| PJSUA_UNLOCK(); |
| } |
| |
| /* This is called when request is received. |
| * We need to check for incoming SUBSCRIBE request. |
| */ |
| static pj_bool_t pres_on_rx_request(pjsip_rx_data *rdata) |
| { |
| int acc_id; |
| pjsua_acc *acc; |
| pj_str_t contact; |
| pjsip_method *req_method = &rdata->msg_info.msg->line.req.method; |
| pjsua_srv_pres *uapres; |
| pjsip_evsub *sub; |
| pjsip_evsub_user pres_cb; |
| pjsip_dialog *dlg; |
| pjsip_status_code st_code; |
| pj_str_t reason; |
| pjsip_expires_hdr *expires_hdr; |
| pjsua_msg_data msg_data; |
| pj_status_t status; |
| |
| if (pjsip_method_cmp(req_method, pjsip_get_subscribe_method()) != 0) |
| return PJ_FALSE; |
| |
| /* Incoming SUBSCRIBE: */ |
| |
| /* Don't want to accept the request if shutdown is in progress */ |
| if (pjsua_var.thread_quit_flag) { |
| pjsip_endpt_respond_stateless(pjsua_var.endpt, rdata, |
| PJSIP_SC_TEMPORARILY_UNAVAILABLE, NULL, |
| NULL, NULL); |
| return PJ_TRUE; |
| } |
| |
| PJSUA_LOCK(); |
| |
| /* Find which account for the incoming request. */ |
| acc_id = pjsua_acc_find_for_incoming(rdata); |
| acc = &pjsua_var.acc[acc_id]; |
| |
| PJ_LOG(4,(THIS_FILE, "Creating server subscription, using account %d", |
| acc_id)); |
| pj_log_push_indent(); |
| |
| /* Create suitable Contact header */ |
| if (acc->contact.slen) { |
| contact = acc->contact; |
| } else { |
| status = pjsua_acc_create_uas_contact(rdata->tp_info.pool, &contact, |
| acc_id, rdata); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Unable to generate Contact header", |
| status); |
| PJSUA_UNLOCK(); |
| pjsip_endpt_respond_stateless(pjsua_var.endpt, rdata, 400, NULL, |
| NULL, NULL); |
| pj_log_pop_indent(); |
| return PJ_TRUE; |
| } |
| } |
| |
| /* Create UAS dialog: */ |
| status = pjsip_dlg_create_uas(pjsip_ua_instance(), rdata, |
| &contact, &dlg); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, |
| "Unable to create UAS dialog for subscription", |
| status); |
| PJSUA_UNLOCK(); |
| pjsip_endpt_respond_stateless(pjsua_var.endpt, rdata, 400, NULL, |
| NULL, NULL); |
| pj_log_pop_indent(); |
| return PJ_TRUE; |
| } |
| |
| if (acc->cfg.allow_via_rewrite && acc->via_addr.host.slen > 0) { |
| pjsip_dlg_set_via_sent_by(dlg, &acc->via_addr, acc->via_tp); |
| } else if (!pjsua_sip_acc_is_using_stun(acc_id)) { |
| /* Choose local interface to use in Via if acc is not using |
| * STUN. See https://trac.pjsip.org/repos/ticket/1412 |
| */ |
| char target_buf[PJSIP_MAX_URL_SIZE]; |
| pj_str_t target; |
| pjsip_host_port via_addr; |
| const void *via_tp; |
| |
| target.ptr = target_buf; |
| target.slen = pjsip_uri_print(PJSIP_URI_IN_REQ_URI, |
| dlg->target, |
| target_buf, sizeof(target_buf)); |
| if (target.slen < 0) target.slen = 0; |
| |
| if (pjsua_acc_get_uac_addr(acc_id, dlg->pool, &target, |
| &via_addr, NULL, NULL, |
| &via_tp) == PJ_SUCCESS) |
| { |
| pjsip_dlg_set_via_sent_by(dlg, &via_addr, |
| (pjsip_transport*)via_tp); |
| } |
| } |
| |
| /* Set credentials and preference. */ |
| pjsip_auth_clt_set_credentials(&dlg->auth_sess, acc->cred_cnt, acc->cred); |
| pjsip_auth_clt_set_prefs(&dlg->auth_sess, &acc->cfg.auth_pref); |
| |
| /* Init callback: */ |
| pj_bzero(&pres_cb, sizeof(pres_cb)); |
| pres_cb.on_evsub_state = &pres_evsub_on_srv_state; |
| |
| /* Create server presence subscription: */ |
| status = pjsip_pres_create_uas( dlg, &pres_cb, rdata, &sub); |
| if (status != PJ_SUCCESS) { |
| int code = PJSIP_ERRNO_TO_SIP_STATUS(status); |
| pjsip_tx_data *tdata; |
| |
| pjsua_perror(THIS_FILE, "Unable to create server subscription", |
| status); |
| |
| if (code==599 || code > 699 || code < 300) { |
| code = 400; |
| } |
| |
| status = pjsip_dlg_create_response(dlg, rdata, code, NULL, &tdata); |
| if (status == PJ_SUCCESS) { |
| status = pjsip_dlg_send_response(dlg, pjsip_rdata_get_tsx(rdata), |
| tdata); |
| } |
| |
| PJSUA_UNLOCK(); |
| pj_log_pop_indent(); |
| return PJ_TRUE; |
| } |
| |
| /* If account is locked to specific transport, then lock dialog |
| * to this transport too. |
| */ |
| if (acc->cfg.transport_id != PJSUA_INVALID_ID) { |
| pjsip_tpselector tp_sel; |
| |
| pjsua_init_tpselector(acc->cfg.transport_id, &tp_sel); |
| pjsip_dlg_set_transport(dlg, &tp_sel); |
| } |
| |
| /* Attach our data to the subscription: */ |
| uapres = PJ_POOL_ALLOC_T(dlg->pool, pjsua_srv_pres); |
| uapres->sub = sub; |
| uapres->remote = (char*) pj_pool_alloc(dlg->pool, PJSIP_MAX_URL_SIZE); |
| uapres->acc_id = acc_id; |
| uapres->dlg = dlg; |
| status = pjsip_uri_print(PJSIP_URI_IN_REQ_URI, dlg->remote.info->uri, |
| uapres->remote, PJSIP_MAX_URL_SIZE); |
| if (status < 1) |
| pj_ansi_strcpy(uapres->remote, "<-- url is too long-->"); |
| else |
| uapres->remote[status] = '\0'; |
| |
| pjsip_evsub_add_header(sub, &acc->cfg.sub_hdr_list); |
| pjsip_evsub_set_mod_data(sub, pjsua_var.mod.id, uapres); |
| |
| /* Add server subscription to the list: */ |
| pj_list_push_back(&pjsua_var.acc[acc_id].pres_srv_list, uapres); |
| |
| |
| /* Capture the value of Expires header. */ |
| expires_hdr = (pjsip_expires_hdr*) |
| pjsip_msg_find_hdr(rdata->msg_info.msg, PJSIP_H_EXPIRES, |
| NULL); |
| if (expires_hdr) |
| uapres->expires = expires_hdr->ivalue; |
| else |
| uapres->expires = -1; |
| |
| st_code = (pjsip_status_code)200; |
| reason = pj_str("OK"); |
| pjsua_msg_data_init(&msg_data); |
| |
| /* Notify application callback, if any */ |
| if (pjsua_var.ua_cfg.cb.on_incoming_subscribe) { |
| pjsua_buddy_id buddy_id; |
| |
| buddy_id = find_buddy(rdata->msg_info.from->uri); |
| |
| (*pjsua_var.ua_cfg.cb.on_incoming_subscribe)(acc_id, uapres, buddy_id, |
| &dlg->remote.info_str, |
| rdata, &st_code, &reason, |
| &msg_data); |
| } |
| |
| /* Handle rejection case */ |
| if (st_code >= 300) { |
| pjsip_tx_data *tdata; |
| |
| /* Create response */ |
| status = pjsip_dlg_create_response(dlg, rdata, st_code, |
| &reason, &tdata); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Error creating response", status); |
| pj_list_erase(uapres); |
| pjsip_pres_terminate(sub, PJ_FALSE); |
| PJSUA_UNLOCK(); |
| pj_log_pop_indent(); |
| return PJ_FALSE; |
| } |
| |
| /* Add header list, if any */ |
| pjsua_process_msg_data(tdata, &msg_data); |
| |
| /* Send the response */ |
| status = pjsip_dlg_send_response(dlg, pjsip_rdata_get_tsx(rdata), |
| tdata); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Error sending response", status); |
| /* This is not fatal */ |
| } |
| |
| /* Terminate presence subscription */ |
| pj_list_erase(uapres); |
| pjsip_pres_terminate(sub, PJ_FALSE); |
| PJSUA_UNLOCK(); |
| pj_log_pop_indent(); |
| return PJ_TRUE; |
| } |
| |
| /* Create and send 2xx response to the SUBSCRIBE request: */ |
| status = pjsip_pres_accept(sub, rdata, st_code, &msg_data.hdr_list); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Unable to accept presence subscription", |
| status); |
| pj_list_erase(uapres); |
| pjsip_pres_terminate(sub, PJ_FALSE); |
| PJSUA_UNLOCK(); |
| pj_log_pop_indent(); |
| return PJ_FALSE; |
| } |
| |
| /* If code is 200, send NOTIFY now */ |
| if (st_code == 200) { |
| pjsua_pres_notify(acc_id, uapres, PJSIP_EVSUB_STATE_ACTIVE, |
| NULL, NULL, PJ_TRUE, &msg_data); |
| } |
| |
| /* Done: */ |
| |
| PJSUA_UNLOCK(); |
| pj_log_pop_indent(); |
| return PJ_TRUE; |
| } |
| |
| |
| /* |
| * Send NOTIFY. |
| */ |
| PJ_DEF(pj_status_t) pjsua_pres_notify( pjsua_acc_id acc_id, |
| pjsua_srv_pres *srv_pres, |
| pjsip_evsub_state ev_state, |
| const pj_str_t *state_str, |
| const pj_str_t *reason, |
| pj_bool_t with_body, |
| const pjsua_msg_data *msg_data) |
| { |
| pjsua_acc *acc; |
| pjsip_pres_status pres_status; |
| pjsua_buddy_id buddy_id; |
| pjsip_tx_data *tdata; |
| pj_status_t status; |
| |
| /* Check parameters */ |
| PJ_ASSERT_RETURN(acc_id!=-1 && srv_pres, PJ_EINVAL); |
| |
| /* Check that account ID is valid */ |
| PJ_ASSERT_RETURN(acc_id>=0 && acc_id<(int)PJ_ARRAY_SIZE(pjsua_var.acc), |
| PJ_EINVAL); |
| /* Check that account is valid */ |
| PJ_ASSERT_RETURN(pjsua_var.acc[acc_id].valid, PJ_EINVALIDOP); |
| |
| PJ_LOG(4,(THIS_FILE, "Acc %d: sending NOTIFY for srv_pres=0x%p..", |
| acc_id, (int)(pj_ssize_t)srv_pres)); |
| pj_log_push_indent(); |
| |
| PJSUA_LOCK(); |
| |
| acc = &pjsua_var.acc[acc_id]; |
| |
| /* Check that the server presence subscription is still valid */ |
| if (pj_list_find_node(&acc->pres_srv_list, srv_pres) == NULL) { |
| /* Subscription has been terminated */ |
| PJSUA_UNLOCK(); |
| pj_log_pop_indent(); |
| return PJ_EINVALIDOP; |
| } |
| |
| /* Set our online status: */ |
| pj_bzero(&pres_status, sizeof(pres_status)); |
| pres_status.info_cnt = 1; |
| pres_status.info[0].basic_open = acc->online_status; |
| pres_status.info[0].id = acc->cfg.pidf_tuple_id; |
| //Both pjsua_var.local_uri and pjsua_var.contact_uri are enclosed in "<" and ">" |
| //causing XML parsing to fail. |
| //pres_status.info[0].contact = pjsua_var.local_uri; |
| /* add RPID information */ |
| pj_memcpy(&pres_status.info[0].rpid, &acc->rpid, |
| sizeof(pjrpid_element)); |
| |
| pjsip_pres_set_status(srv_pres->sub, &pres_status); |
| |
| /* Check expires value. If it's zero, send our presense state but |
| * set subscription state to TERMINATED. |
| */ |
| if (srv_pres->expires == 0) |
| ev_state = PJSIP_EVSUB_STATE_TERMINATED; |
| |
| /* Create and send the NOTIFY to active subscription: */ |
| status = pjsip_pres_notify(srv_pres->sub, ev_state, state_str, |
| reason, &tdata); |
| if (status == PJ_SUCCESS) { |
| /* Force removal of message body if msg_body==FALSE */ |
| if (!with_body) { |
| tdata->msg->body = NULL; |
| } |
| pjsua_process_msg_data(tdata, msg_data); |
| status = pjsip_pres_send_request( srv_pres->sub, tdata); |
| } |
| |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Unable to create/send NOTIFY", |
| status); |
| pj_list_erase(srv_pres); |
| pjsip_pres_terminate(srv_pres->sub, PJ_FALSE); |
| PJSUA_UNLOCK(); |
| pj_log_pop_indent(); |
| return status; |
| } |
| |
| |
| /* Subscribe to buddy's presence if we're not subscribed */ |
| buddy_id = find_buddy(srv_pres->dlg->remote.info->uri); |
| if (buddy_id != PJSUA_INVALID_ID) { |
| pjsua_buddy *b = &pjsua_var.buddy[buddy_id]; |
| if (b->monitor && b->sub == NULL) { |
| PJ_LOG(4,(THIS_FILE, "Received SUBSCRIBE from buddy %d, " |
| "activating outgoing subscription", buddy_id)); |
| subscribe_buddy_presence(buddy_id); |
| } |
| } |
| |
| PJSUA_UNLOCK(); |
| pj_log_pop_indent(); |
| return PJ_SUCCESS; |
| } |
| |
| |
| /* |
| * Client presence publication callback. |
| */ |
| static void publish_cb(struct pjsip_publishc_cbparam *param) |
| { |
| pjsua_acc *acc = (pjsua_acc*) param->token; |
| |
| if (param->code/100 != 2 || param->status != PJ_SUCCESS) { |
| |
| pjsip_publishc_destroy(param->pubc); |
| acc->publish_sess = NULL; |
| |
| if (param->status != PJ_SUCCESS) { |
| char errmsg[PJ_ERR_MSG_SIZE]; |
| |
| pj_strerror(param->status, errmsg, sizeof(errmsg)); |
| PJ_LOG(1,(THIS_FILE, |
| "Client publication (PUBLISH) failed, status=%d, msg=%s", |
| param->status, errmsg)); |
| } else if (param->code == 412) { |
| /* 412 (Conditional Request Failed) |
| * The PUBLISH refresh has failed, retry with new one. |
| */ |
| pjsua_pres_init_publish_acc(acc->index); |
| |
| } else { |
| PJ_LOG(1,(THIS_FILE, |
| "Client publication (PUBLISH) failed (%d/%.*s)", |
| param->code, (int)param->reason.slen, |
| param->reason.ptr)); |
| } |
| |
| } else { |
| if (param->expiration < 1) { |
| /* Could happen if server "forgot" to include Expires header |
| * in the response. We will not renew, so destroy the pubc. |
| */ |
| pjsip_publishc_destroy(param->pubc); |
| acc->publish_sess = NULL; |
| } |
| } |
| } |
| |
| |
| /* |
| * Send PUBLISH request. |
| */ |
| static pj_status_t send_publish(int acc_id, pj_bool_t active) |
| { |
| pjsua_acc_config *acc_cfg = &pjsua_var.acc[acc_id].cfg; |
| pjsua_acc *acc = &pjsua_var.acc[acc_id]; |
| pjsip_pres_status pres_status; |
| pjsip_tx_data *tdata; |
| pj_status_t status; |
| |
| PJ_LOG(5,(THIS_FILE, "Acc %d: sending %sPUBLISH..", |
| acc_id, (active ? "" : "un-"))); |
| pj_log_push_indent(); |
| |
| /* Create PUBLISH request */ |
| if (active) { |
| char *bpos; |
| pj_str_t entity; |
| |
| status = pjsip_publishc_publish(acc->publish_sess, PJ_TRUE, &tdata); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Error creating PUBLISH request", status); |
| goto on_error; |
| } |
| |
| /* Set our online status: */ |
| pj_bzero(&pres_status, sizeof(pres_status)); |
| pres_status.info_cnt = 1; |
| pres_status.info[0].basic_open = acc->online_status; |
| pres_status.info[0].id = acc->cfg.pidf_tuple_id; |
| /* .. including RPID information */ |
| pj_memcpy(&pres_status.info[0].rpid, &acc->rpid, |
| sizeof(pjrpid_element)); |
| |
| /* Be careful not to send PIDF with presence entity ID containing |
| * "<" character. |
| */ |
| if ((bpos=pj_strchr(&acc_cfg->id, '<')) != NULL) { |
| char *epos = pj_strchr(&acc_cfg->id, '>'); |
| if (epos - bpos < 2) { |
| pj_assert(!"Unexpected invalid URI"); |
| status = PJSIP_EINVALIDURI; |
| goto on_error; |
| } |
| entity.ptr = bpos+1; |
| entity.slen = epos - bpos - 1; |
| } else { |
| entity = acc_cfg->id; |
| } |
| |
| /* Create and add PIDF message body */ |
| status = pjsip_pres_create_pidf(tdata->pool, &pres_status, |
| &entity, &tdata->msg->body); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Error creating PIDF for PUBLISH request", |
| status); |
| pjsip_tx_data_dec_ref(tdata); |
| goto on_error; |
| } |
| } else { |
| status = pjsip_publishc_unpublish(acc->publish_sess, &tdata); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Error creating PUBLISH request", status); |
| goto on_error; |
| } |
| } |
| |
| /* Add headers etc */ |
| pjsua_process_msg_data(tdata, NULL); |
| |
| /* Set Via sent-by */ |
| if (acc->cfg.allow_via_rewrite && acc->via_addr.host.slen > 0) { |
| pjsip_publishc_set_via_sent_by(acc->publish_sess, &acc->via_addr, |
| acc->via_tp); |
| } else if (!pjsua_sip_acc_is_using_stun(acc_id)) { |
| /* Choose local interface to use in Via if acc is not using |
| * STUN. See https://trac.pjsip.org/repos/ticket/1412 |
| */ |
| pjsip_host_port via_addr; |
| const void *via_tp; |
| |
| if (pjsua_acc_get_uac_addr(acc_id, acc->pool, &acc_cfg->id, |
| &via_addr, NULL, NULL, |
| &via_tp) == PJ_SUCCESS) |
| { |
| pjsip_publishc_set_via_sent_by(acc->publish_sess, &via_addr, |
| (pjsip_transport*)via_tp); |
| } |
| } |
| |
| /* Send the PUBLISH request */ |
| status = pjsip_publishc_send(acc->publish_sess, tdata); |
| if (status == PJ_EPENDING) { |
| PJ_LOG(3,(THIS_FILE, "Previous request is in progress, " |
| "PUBLISH request is queued")); |
| } else if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Error sending PUBLISH request", status); |
| goto on_error; |
| } |
| |
| acc->publish_state = acc->online_status; |
| pj_log_pop_indent(); |
| return PJ_SUCCESS; |
| |
| on_error: |
| if (acc->publish_sess) { |
| pjsip_publishc_destroy(acc->publish_sess); |
| acc->publish_sess = NULL; |
| } |
| pj_log_pop_indent(); |
| return status; |
| } |
| |
| |
| /* Create client publish session */ |
| pj_status_t pjsua_pres_init_publish_acc(int acc_id) |
| { |
| const pj_str_t STR_PRESENCE = { "presence", 8 }; |
| pjsua_acc_config *acc_cfg = &pjsua_var.acc[acc_id].cfg; |
| pjsua_acc *acc = &pjsua_var.acc[acc_id]; |
| pj_status_t status; |
| |
| /* Create and init client publication session */ |
| if (acc_cfg->publish_enabled) { |
| |
| /* Create client publication */ |
| status = pjsip_publishc_create(pjsua_var.endpt, &acc_cfg->publish_opt, |
| acc, &publish_cb, |
| &acc->publish_sess); |
| if (status != PJ_SUCCESS) { |
| acc->publish_sess = NULL; |
| return status; |
| } |
| |
| /* Initialize client publication */ |
| status = pjsip_publishc_init(acc->publish_sess, &STR_PRESENCE, |
| &acc_cfg->id, &acc_cfg->id, |
| &acc_cfg->id, |
| PJSUA_PUBLISH_EXPIRATION); |
| if (status != PJ_SUCCESS) { |
| acc->publish_sess = NULL; |
| return status; |
| } |
| |
| /* Add credential for authentication */ |
| if (acc->cred_cnt) { |
| pjsip_publishc_set_credentials(acc->publish_sess, acc->cred_cnt, |
| acc->cred); |
| } |
| |
| /* Set route-set */ |
| pjsip_publishc_set_route_set(acc->publish_sess, &acc->route_set); |
| |
| /* Send initial PUBLISH request */ |
| if (acc->online_status != 0) { |
| status = send_publish(acc_id, PJ_TRUE); |
| if (status != PJ_SUCCESS) |
| return status; |
| } |
| |
| } else { |
| acc->publish_sess = NULL; |
| } |
| |
| return PJ_SUCCESS; |
| } |
| |
| |
| /* Init presence for account */ |
| pj_status_t pjsua_pres_init_acc(int acc_id) |
| { |
| pjsua_acc *acc = &pjsua_var.acc[acc_id]; |
| |
| /* Init presence subscription */ |
| pj_list_init(&acc->pres_srv_list); |
| |
| return PJ_SUCCESS; |
| } |
| |
| |
| /* Unpublish presence publication */ |
| void pjsua_pres_unpublish(pjsua_acc *acc, unsigned flags) |
| { |
| if (acc->publish_sess) { |
| pjsua_acc_config *acc_cfg = &acc->cfg; |
| |
| acc->online_status = PJ_FALSE; |
| |
| if ((flags & PJSUA_DESTROY_NO_TX_MSG) == 0) { |
| send_publish(acc->index, PJ_FALSE); |
| } |
| |
| /* By ticket #364, don't destroy the session yet (let the callback |
| destroy it) |
| if (acc->publish_sess) { |
| pjsip_publishc_destroy(acc->publish_sess); |
| acc->publish_sess = NULL; |
| } |
| */ |
| acc_cfg->publish_enabled = PJ_FALSE; |
| } |
| } |
| |
| /* Terminate server subscription for the account */ |
| void pjsua_pres_delete_acc(int acc_id, unsigned flags) |
| { |
| pjsua_acc *acc = &pjsua_var.acc[acc_id]; |
| pjsua_srv_pres *uapres; |
| |
| uapres = pjsua_var.acc[acc_id].pres_srv_list.next; |
| |
| /* Notify all subscribers that we're no longer available */ |
| while (uapres != &acc->pres_srv_list) { |
| |
| pjsip_pres_status pres_status; |
| pj_str_t reason = { "noresource", 10 }; |
| pjsua_srv_pres *next; |
| pjsip_tx_data *tdata; |
| |
| next = uapres->next; |
| |
| pjsip_pres_get_status(uapres->sub, &pres_status); |
| |
| pres_status.info[0].basic_open = pjsua_var.acc[acc_id].online_status; |
| pjsip_pres_set_status(uapres->sub, &pres_status); |
| |
| if ((flags & PJSUA_DESTROY_NO_TX_MSG) == 0) { |
| if (pjsip_pres_notify(uapres->sub, |
| PJSIP_EVSUB_STATE_TERMINATED, NULL, |
| &reason, &tdata)==PJ_SUCCESS) |
| { |
| pjsip_pres_send_request(uapres->sub, tdata); |
| } |
| } else { |
| pjsip_pres_terminate(uapres->sub, PJ_FALSE); |
| } |
| |
| uapres = next; |
| } |
| |
| /* Clear server presence subscription list because account might be reused |
| * later. */ |
| pj_list_init(&acc->pres_srv_list); |
| |
| /* Terminate presence publication, if any */ |
| pjsua_pres_unpublish(acc, flags); |
| } |
| |
| |
| /* Update server subscription (e.g. when our online status has changed) */ |
| void pjsua_pres_update_acc(int acc_id, pj_bool_t force) |
| { |
| pjsua_acc *acc = &pjsua_var.acc[acc_id]; |
| pjsua_acc_config *acc_cfg = &pjsua_var.acc[acc_id].cfg; |
| pjsua_srv_pres *uapres; |
| |
| uapres = pjsua_var.acc[acc_id].pres_srv_list.next; |
| |
| while (uapres != &acc->pres_srv_list) { |
| |
| pjsip_pres_status pres_status; |
| pjsip_tx_data *tdata; |
| |
| pjsip_pres_get_status(uapres->sub, &pres_status); |
| |
| /* Only send NOTIFY once subscription is active. Some subscriptions |
| * may still be in NULL (when app is adding a new buddy while in the |
| * on_incoming_subscribe() callback) or PENDING (when user approval is |
| * being requested) state and we don't send NOTIFY to these subs until |
| * the user accepted the request. |
| */ |
| if (pjsip_evsub_get_state(uapres->sub)==PJSIP_EVSUB_STATE_ACTIVE && |
| (force || pres_status.info[0].basic_open != acc->online_status)) |
| { |
| |
| pres_status.info[0].basic_open = acc->online_status; |
| pj_memcpy(&pres_status.info[0].rpid, &acc->rpid, |
| sizeof(pjrpid_element)); |
| |
| pjsip_pres_set_status(uapres->sub, &pres_status); |
| |
| if (pjsip_pres_current_notify(uapres->sub, &tdata)==PJ_SUCCESS) { |
| pjsua_process_msg_data(tdata, NULL); |
| pjsip_pres_send_request(uapres->sub, tdata); |
| } |
| } |
| |
| uapres = uapres->next; |
| } |
| |
| /* Send PUBLISH if required. We only do this when we have a PUBLISH |
| * session. If we don't have a PUBLISH session, then it could be |
| * that we're waiting until registration has completed before we |
| * send the first PUBLISH. |
| */ |
| if (acc_cfg->publish_enabled && acc->publish_sess) { |
| if (force || acc->publish_state != acc->online_status) { |
| send_publish(acc_id, PJ_TRUE); |
| } |
| } |
| } |
| |
| |
| |
| /*************************************************************************** |
| * Client subscription. |
| */ |
| |
| static void buddy_timer_cb(pj_timer_heap_t *th, pj_timer_entry *entry) |
| { |
| pjsua_buddy *buddy = (pjsua_buddy*)entry->user_data; |
| |
| PJ_UNUSED_ARG(th); |
| |
| entry->id = PJ_FALSE; |
| pjsua_buddy_update_pres(buddy->index); |
| } |
| |
| /* Reschedule subscription refresh timer or terminate the subscription |
| * refresh timer for the specified buddy. |
| */ |
| static void buddy_resubscribe(pjsua_buddy *buddy, pj_bool_t resched, |
| unsigned msec_interval) |
| { |
| if (buddy->timer.id) { |
| pjsua_cancel_timer(&buddy->timer); |
| buddy->timer.id = PJ_FALSE; |
| } |
| |
| if (resched) { |
| pj_time_val delay; |
| |
| PJ_LOG(4,(THIS_FILE, |
| "Resubscribing buddy id %u in %u ms (reason: %.*s)", |
| buddy->index, msec_interval, |
| (int)buddy->term_reason.slen, |
| buddy->term_reason.ptr)); |
| |
| pj_timer_entry_init(&buddy->timer, 0, buddy, &buddy_timer_cb); |
| delay.sec = 0; |
| delay.msec = msec_interval; |
| pj_time_val_normalize(&delay); |
| |
| if (pjsua_schedule_timer(&buddy->timer, &delay)==PJ_SUCCESS) |
| buddy->timer.id = PJ_TRUE; |
| } |
| } |
| |
| /* Callback called when *client* subscription state has changed. */ |
| static void pjsua_evsub_on_state( pjsip_evsub *sub, pjsip_event *event) |
| { |
| pjsua_buddy *buddy; |
| |
| PJ_UNUSED_ARG(event); |
| |
| /* Note: #937: no need to acuire PJSUA_LOCK here. Since the buddy has |
| * a dialog attached to it, lock_buddy() will use the dialog |
| * lock, which we are currently holding! |
| */ |
| buddy = (pjsua_buddy*) pjsip_evsub_get_mod_data(sub, pjsua_var.mod.id); |
| if (buddy) { |
| PJ_LOG(4,(THIS_FILE, |
| "Presence subscription to %.*s is %s", |
| (int)pjsua_var.buddy[buddy->index].uri.slen, |
| pjsua_var.buddy[buddy->index].uri.ptr, |
| pjsip_evsub_get_state_name(sub))); |
| pj_log_push_indent(); |
| |
| if (pjsip_evsub_get_state(sub) == PJSIP_EVSUB_STATE_TERMINATED) { |
| int resub_delay = -1; |
| |
| if (buddy->term_reason.ptr == NULL) { |
| buddy->term_reason.ptr = (char*) |
| pj_pool_alloc(buddy->pool, |
| PJSUA_BUDDY_SUB_TERM_REASON_LEN); |
| } |
| pj_strncpy(&buddy->term_reason, |
| pjsip_evsub_get_termination_reason(sub), |
| PJSUA_BUDDY_SUB_TERM_REASON_LEN); |
| |
| buddy->term_code = 200; |
| |
| /* Determine whether to resubscribe automatically */ |
| if (event && event->type==PJSIP_EVENT_TSX_STATE) { |
| const pjsip_transaction *tsx = event->body.tsx_state.tsx; |
| if (pjsip_method_cmp(&tsx->method, |
| &pjsip_subscribe_method)==0) |
| { |
| buddy->term_code = tsx->status_code; |
| switch (tsx->status_code) { |
| case PJSIP_SC_CALL_TSX_DOES_NOT_EXIST: |
| /* 481: we refreshed too late? resubscribe |
| * immediately. |
| */ |
| /* But this must only happen when the 481 is received |
| * on subscription refresh request. We MUST NOT try to |
| * resubscribe automatically if the 481 is received |
| * on the initial SUBSCRIBE (if server returns this |
| * response for some reason). |
| */ |
| if (buddy->dlg->remote.contact) |
| resub_delay = 500; |
| break; |
| } |
| } else if (pjsip_method_cmp(&tsx->method, |
| &pjsip_notify_method)==0) |
| { |
| if (pj_stricmp2(&buddy->term_reason, "deactivated")==0 || |
| pj_stricmp2(&buddy->term_reason, "timeout")==0) { |
| /* deactivated: The subscription has been terminated, |
| * but the subscriber SHOULD retry immediately with |
| * a new subscription. |
| */ |
| /* timeout: The subscription has been terminated |
| * because it was not refreshed before it expired. |
| * Clients MAY re-subscribe immediately. The |
| * "retry-after" parameter has no semantics for |
| * "timeout". |
| */ |
| resub_delay = 500; |
| } |
| else if (pj_stricmp2(&buddy->term_reason, "probation")==0|| |
| pj_stricmp2(&buddy->term_reason, "giveup")==0) { |
| /* probation: The subscription has been terminated, |
| * but the client SHOULD retry at some later time. |
| * If a "retry-after" parameter is also present, the |
| * client SHOULD wait at least the number of seconds |
| * specified by that parameter before attempting to re- |
| * subscribe. |
| */ |
| /* giveup: The subscription has been terminated because |
| * the notifier could not obtain authorization in a |
| * timely fashion. If a "retry-after" parameter is |
| * also present, the client SHOULD wait at least the |
| * number of seconds specified by that parameter before |
| * attempting to re-subscribe; otherwise, the client |
| * MAY retry immediately, but will likely get put back |
| * into pending state. |
| */ |
| const pjsip_sub_state_hdr *sub_hdr; |
| pj_str_t sub_state = { "Subscription-State", 18 }; |
| const pjsip_msg *msg; |
| |
| msg = event->body.tsx_state.src.rdata->msg_info.msg; |
| sub_hdr = (const pjsip_sub_state_hdr*) |
| pjsip_msg_find_hdr_by_name(msg, &sub_state, |
| NULL); |
| if (sub_hdr && sub_hdr->retry_after > 0) |
| resub_delay = sub_hdr->retry_after * 1000; |
| } |
| |
| } |
| } |
| |
| /* For other cases of subscription termination, if resubscribe |
| * timer is not set, schedule with default expiration (plus minus |
| * some random value, to avoid sending SUBSCRIBEs all at once) |
| */ |
| if (resub_delay == -1) { |
| pj_assert(PJSUA_PRES_TIMER >= 3); |
| resub_delay = PJSUA_PRES_TIMER*1000 - 2500 + (pj_rand()%5000); |
| } |
| |
| buddy_resubscribe(buddy, PJ_TRUE, resub_delay); |
| |
| } else { |
| /* This will clear the last termination code/reason */ |
| buddy->term_code = 0; |
| buddy->term_reason.slen = 0; |
| } |
| |
| /* Call callbacks */ |
| if (pjsua_var.ua_cfg.cb.on_buddy_evsub_state) |
| (*pjsua_var.ua_cfg.cb.on_buddy_evsub_state)(buddy->index, sub, |
| event); |
| |
| if (pjsua_var.ua_cfg.cb.on_buddy_state) |
| (*pjsua_var.ua_cfg.cb.on_buddy_state)(buddy->index); |
| |
| /* Clear subscription */ |
| if (pjsip_evsub_get_state(sub) == PJSIP_EVSUB_STATE_TERMINATED) { |
| buddy->sub = NULL; |
| buddy->status.info_cnt = 0; |
| buddy->dlg = NULL; |
| pjsip_evsub_set_mod_data(sub, pjsua_var.mod.id, NULL); |
| } |
| |
| pj_log_pop_indent(); |
| } |
| } |
| |
| |
| /* Callback when transaction state has changed. */ |
| static void pjsua_evsub_on_tsx_state(pjsip_evsub *sub, |
| pjsip_transaction *tsx, |
| pjsip_event *event) |
| { |
| pjsua_buddy *buddy; |
| pjsip_contact_hdr *contact_hdr; |
| |
| /* Note: #937: no need to acuire PJSUA_LOCK here. Since the buddy has |
| * a dialog attached to it, lock_buddy() will use the dialog |
| * lock, which we are currently holding! |
| */ |
| buddy = (pjsua_buddy*) pjsip_evsub_get_mod_data(sub, pjsua_var.mod.id); |
| if (!buddy) { |
| return; |
| } |
| |
| /* We only use this to update buddy's Contact, when it's not |
| * set. |
| */ |
| if (buddy->contact.slen != 0) { |
| /* Contact already set */ |
| return; |
| } |
| |
| /* Only care about 2xx response to outgoing SUBSCRIBE */ |
| if (tsx->status_code/100 != 2 || |
| tsx->role != PJSIP_UAC_ROLE || |
| event->type != PJSIP_EVENT_RX_MSG || |
| pjsip_method_cmp(&tsx->method, pjsip_get_subscribe_method())!=0) |
| { |
| return; |
| } |
| |
| /* Find contact header. */ |
| contact_hdr = (pjsip_contact_hdr*) |
| pjsip_msg_find_hdr(event->body.rx_msg.rdata->msg_info.msg, |
| PJSIP_H_CONTACT, NULL); |
| if (!contact_hdr || !contact_hdr->uri) { |
| return; |
| } |
| |
| buddy->contact.ptr = (char*) |
| pj_pool_alloc(buddy->pool, PJSIP_MAX_URL_SIZE); |
| buddy->contact.slen = pjsip_uri_print( PJSIP_URI_IN_CONTACT_HDR, |
| contact_hdr->uri, |
| buddy->contact.ptr, |
| PJSIP_MAX_URL_SIZE); |
| if (buddy->contact.slen < 0) |
| buddy->contact.slen = 0; |
| } |
| |
| |
| /* Callback called when we receive NOTIFY */ |
| static void pjsua_evsub_on_rx_notify(pjsip_evsub *sub, |
| pjsip_rx_data *rdata, |
| int *p_st_code, |
| pj_str_t **p_st_text, |
| pjsip_hdr *res_hdr, |
| pjsip_msg_body **p_body) |
| { |
| pjsua_buddy *buddy; |
| |
| /* Note: #937: no need to acuire PJSUA_LOCK here. Since the buddy has |
| * a dialog attached to it, lock_buddy() will use the dialog |
| * lock, which we are currently holding! |
| */ |
| buddy = (pjsua_buddy*) pjsip_evsub_get_mod_data(sub, pjsua_var.mod.id); |
| if (buddy) { |
| /* Update our info. */ |
| pjsip_pres_get_status(sub, &buddy->status); |
| } |
| |
| /* The default is to send 200 response to NOTIFY. |
| * Just leave it there.. |
| */ |
| PJ_UNUSED_ARG(rdata); |
| PJ_UNUSED_ARG(p_st_code); |
| PJ_UNUSED_ARG(p_st_text); |
| PJ_UNUSED_ARG(res_hdr); |
| PJ_UNUSED_ARG(p_body); |
| } |
| |
| |
| /* It does what it says.. */ |
| static void subscribe_buddy_presence(pjsua_buddy_id buddy_id) |
| { |
| pjsip_evsub_user pres_callback; |
| pj_pool_t *tmp_pool = NULL; |
| pjsua_buddy *buddy; |
| int acc_id; |
| pjsua_acc *acc; |
| pj_str_t contact; |
| pjsip_tx_data *tdata; |
| pj_status_t status; |
| |
| /* Event subscription callback. */ |
| pj_bzero(&pres_callback, sizeof(pres_callback)); |
| pres_callback.on_evsub_state = &pjsua_evsub_on_state; |
| pres_callback.on_tsx_state = &pjsua_evsub_on_tsx_state; |
| pres_callback.on_rx_notify = &pjsua_evsub_on_rx_notify; |
| |
| buddy = &pjsua_var.buddy[buddy_id]; |
| acc_id = pjsua_acc_find_for_outgoing(&buddy->uri); |
| |
| acc = &pjsua_var.acc[acc_id]; |
| |
| PJ_LOG(4,(THIS_FILE, "Buddy %d: subscribing presence,using account %d..", |
| buddy_id, acc_id)); |
| pj_log_push_indent(); |
| |
| /* Generate suitable Contact header unless one is already set in |
| * the account |
| */ |
| if (acc->contact.slen) { |
| contact = acc->contact; |
| } else { |
| tmp_pool = pjsua_pool_create("tmpbuddy", 512, 256); |
| |
| status = pjsua_acc_create_uac_contact(tmp_pool, &contact, |
| acc_id, &buddy->uri); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Unable to generate Contact header", |
| status); |
| pj_pool_release(tmp_pool); |
| pj_log_pop_indent(); |
| return; |
| } |
| } |
| |
| /* Create UAC dialog */ |
| status = pjsip_dlg_create_uac( pjsip_ua_instance(), |
| &acc->cfg.id, |
| &contact, |
| &buddy->uri, |
| NULL, &buddy->dlg); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Unable to create dialog", |
| status); |
| if (tmp_pool) pj_pool_release(tmp_pool); |
| pj_log_pop_indent(); |
| return; |
| } |
| |
| /* Increment the dialog's lock otherwise when presence session creation |
| * fails the dialog will be destroyed prematurely. |
| */ |
| pjsip_dlg_inc_lock(buddy->dlg); |
| |
| if (acc->cfg.allow_via_rewrite && acc->via_addr.host.slen > 0) { |
| pjsip_dlg_set_via_sent_by(buddy->dlg, &acc->via_addr, acc->via_tp); |
| } else if (!pjsua_sip_acc_is_using_stun(acc_id)) { |
| /* Choose local interface to use in Via if acc is not using |
| * STUN. See https://trac.pjsip.org/repos/ticket/1412 |
| */ |
| pjsip_host_port via_addr; |
| const void *via_tp; |
| |
| if (pjsua_acc_get_uac_addr(acc_id, buddy->dlg->pool, &buddy->uri, |
| &via_addr, NULL, NULL, |
| &via_tp) == PJ_SUCCESS) |
| { |
| pjsip_dlg_set_via_sent_by(buddy->dlg, &via_addr, |
| (pjsip_transport*)via_tp); |
| } |
| } |
| |
| |
| status = pjsip_pres_create_uac( buddy->dlg, &pres_callback, |
| PJSIP_EVSUB_NO_EVENT_ID, &buddy->sub); |
| if (status != PJ_SUCCESS) { |
| buddy->sub = NULL; |
| pjsua_perror(THIS_FILE, "Unable to create presence client", |
| status); |
| /* This should destroy the dialog since there's no session |
| * referencing it |
| */ |
| if (buddy->dlg) pjsip_dlg_dec_lock(buddy->dlg); |
| if (tmp_pool) pj_pool_release(tmp_pool); |
| pj_log_pop_indent(); |
| return; |
| } |
| |
| /* If account is locked to specific transport, then lock dialog |
| * to this transport too. |
| */ |
| if (acc->cfg.transport_id != PJSUA_INVALID_ID) { |
| pjsip_tpselector tp_sel; |
| |
| pjsua_init_tpselector(acc->cfg.transport_id, &tp_sel); |
| pjsip_dlg_set_transport(buddy->dlg, &tp_sel); |
| } |
| |
| /* Set route-set */ |
| if (!pj_list_empty(&acc->route_set)) { |
| pjsip_dlg_set_route_set(buddy->dlg, &acc->route_set); |
| } |
| |
| /* Set credentials */ |
| if (acc->cred_cnt) { |
| pjsip_auth_clt_set_credentials( &buddy->dlg->auth_sess, |
| acc->cred_cnt, acc->cred); |
| } |
| |
| /* Set authentication preference */ |
| pjsip_auth_clt_set_prefs(&buddy->dlg->auth_sess, &acc->cfg.auth_pref); |
| |
| pjsip_evsub_set_mod_data(buddy->sub, pjsua_var.mod.id, buddy); |
| |
| status = pjsip_pres_initiate(buddy->sub, -1, &tdata); |
| if (status != PJ_SUCCESS) { |
| if (buddy->dlg) pjsip_dlg_dec_lock(buddy->dlg); |
| if (buddy->sub) { |
| pjsip_pres_terminate(buddy->sub, PJ_FALSE); |
| } |
| buddy->sub = NULL; |
| pjsua_perror(THIS_FILE, "Unable to create initial SUBSCRIBE", |
| status); |
| if (tmp_pool) pj_pool_release(tmp_pool); |
| pj_log_pop_indent(); |
| return; |
| } |
| |
| pjsua_process_msg_data(tdata, NULL); |
| |
| status = pjsip_pres_send_request(buddy->sub, tdata); |
| if (status != PJ_SUCCESS) { |
| if (buddy->dlg) pjsip_dlg_dec_lock(buddy->dlg); |
| if (buddy->sub) { |
| pjsip_pres_terminate(buddy->sub, PJ_FALSE); |
| } |
| buddy->sub = NULL; |
| pjsua_perror(THIS_FILE, "Unable to send initial SUBSCRIBE", |
| status); |
| if (tmp_pool) pj_pool_release(tmp_pool); |
| pj_log_pop_indent(); |
| return; |
| } |
| |
| pjsip_dlg_dec_lock(buddy->dlg); |
| if (tmp_pool) pj_pool_release(tmp_pool); |
| pj_log_pop_indent(); |
| } |
| |
| |
| /* It does what it says... */ |
| static void unsubscribe_buddy_presence(pjsua_buddy_id buddy_id) |
| { |
| pjsua_buddy *buddy; |
| pjsip_tx_data *tdata; |
| pj_status_t status; |
| |
| buddy = &pjsua_var.buddy[buddy_id]; |
| |
| if (buddy->sub == NULL) |
| return; |
| |
| if (pjsip_evsub_get_state(buddy->sub) == PJSIP_EVSUB_STATE_TERMINATED) { |
| buddy->sub = NULL; |
| return; |
| } |
| |
| PJ_LOG(5,(THIS_FILE, "Buddy %d: unsubscribing..", buddy_id)); |
| pj_log_push_indent(); |
| |
| status = pjsip_pres_initiate( buddy->sub, 0, &tdata); |
| if (status == PJ_SUCCESS) { |
| pjsua_process_msg_data(tdata, NULL); |
| status = pjsip_pres_send_request( buddy->sub, tdata ); |
| } |
| |
| if (status != PJ_SUCCESS && buddy->sub) { |
| pjsip_pres_terminate(buddy->sub, PJ_FALSE); |
| buddy->sub = NULL; |
| pjsua_perror(THIS_FILE, "Unable to unsubscribe presence", |
| status); |
| } |
| |
| pj_log_pop_indent(); |
| } |
| |
| /* It does what it says.. */ |
| static pj_status_t refresh_client_subscriptions(void) |
| { |
| unsigned i; |
| pj_status_t status; |
| |
| for (i=0; i<PJ_ARRAY_SIZE(pjsua_var.buddy); ++i) { |
| struct buddy_lock lck; |
| |
| if (!pjsua_buddy_is_valid(i)) |
| continue; |
| |
| status = lock_buddy("refresh_client_subscriptions()", i, &lck, 0); |
| if (status != PJ_SUCCESS) |
| return status; |
| |
| if (pjsua_var.buddy[i].monitor && !pjsua_var.buddy[i].sub) { |
| subscribe_buddy_presence(i); |
| |
| } else if (!pjsua_var.buddy[i].monitor && pjsua_var.buddy[i].sub) { |
| unsubscribe_buddy_presence(i); |
| |
| } |
| |
| unlock_buddy(&lck); |
| } |
| |
| return PJ_SUCCESS; |
| } |
| |
| /*************************************************************************** |
| * MWI |
| */ |
| /* Callback called when *client* subscription state has changed. */ |
| static void mwi_evsub_on_state( pjsip_evsub *sub, pjsip_event *event) |
| { |
| pjsua_acc *acc; |
| |
| PJ_UNUSED_ARG(event); |
| |
| /* Note: #937: no need to acuire PJSUA_LOCK here. Since the buddy has |
| * a dialog attached to it, lock_buddy() will use the dialog |
| * lock, which we are currently holding! |
| */ |
| acc = (pjsua_acc*) pjsip_evsub_get_mod_data(sub, pjsua_var.mod.id); |
| if (!acc) |
| return; |
| |
| PJ_LOG(4,(THIS_FILE, |
| "MWI subscription for %.*s is %s", |
| (int)acc->cfg.id.slen, acc->cfg.id.ptr, |
| pjsip_evsub_get_state_name(sub))); |
| |
| /* Call callback */ |
| if (pjsua_var.ua_cfg.cb.on_mwi_state) { |
| (*pjsua_var.ua_cfg.cb.on_mwi_state)(acc->index, sub); |
| } |
| |
| if (pjsip_evsub_get_state(sub) == PJSIP_EVSUB_STATE_TERMINATED) { |
| /* Clear subscription */ |
| acc->mwi_dlg = NULL; |
| acc->mwi_sub = NULL; |
| pjsip_evsub_set_mod_data(sub, pjsua_var.mod.id, NULL); |
| |
| } |
| } |
| |
| /* Callback called when we receive NOTIFY */ |
| static void mwi_evsub_on_rx_notify(pjsip_evsub *sub, |
| pjsip_rx_data *rdata, |
| int *p_st_code, |
| pj_str_t **p_st_text, |
| pjsip_hdr *res_hdr, |
| pjsip_msg_body **p_body) |
| { |
| pjsua_mwi_info mwi_info; |
| pjsua_acc *acc; |
| |
| PJ_UNUSED_ARG(p_st_code); |
| PJ_UNUSED_ARG(p_st_text); |
| PJ_UNUSED_ARG(res_hdr); |
| PJ_UNUSED_ARG(p_body); |
| |
| acc = (pjsua_acc*) pjsip_evsub_get_mod_data(sub, pjsua_var.mod.id); |
| if (!acc) |
| return; |
| |
| /* Construct mwi_info */ |
| pj_bzero(&mwi_info, sizeof(mwi_info)); |
| mwi_info.evsub = sub; |
| mwi_info.rdata = rdata; |
| |
| PJ_LOG(4,(THIS_FILE, "MWI got NOTIFY..")); |
| pj_log_push_indent(); |
| |
| /* Call callback */ |
| if (pjsua_var.ua_cfg.cb.on_mwi_info) { |
| (*pjsua_var.ua_cfg.cb.on_mwi_info)(acc->index, &mwi_info); |
| } |
| |
| pj_log_pop_indent(); |
| } |
| |
| |
| /* Event subscription callback. */ |
| static pjsip_evsub_user mwi_cb = |
| { |
| &mwi_evsub_on_state, |
| NULL, /* on_tsx_state: not interested */ |
| NULL, /* on_rx_refresh: don't care about SUBSCRIBE refresh, unless |
| * we want to authenticate |
| */ |
| |
| &mwi_evsub_on_rx_notify, |
| |
| NULL, /* on_client_refresh: Use default behaviour, which is to |
| * refresh client subscription. */ |
| |
| NULL, /* on_server_timeout: Use default behaviour, which is to send |
| * NOTIFY to terminate. |
| */ |
| }; |
| |
| pj_status_t pjsua_start_mwi(pjsua_acc_id acc_id, pj_bool_t force_renew) |
| { |
| pjsua_acc *acc; |
| pj_pool_t *tmp_pool = NULL; |
| pj_str_t contact; |
| pjsip_tx_data *tdata; |
| pj_status_t status = PJ_SUCCESS; |
| |
| PJ_ASSERT_RETURN(acc_id>=0 && acc_id<(int)PJ_ARRAY_SIZE(pjsua_var.acc) |
| && pjsua_var.acc[acc_id].valid, PJ_EINVAL); |
| |
| acc = &pjsua_var.acc[acc_id]; |
| |
| if (!acc->cfg.mwi_enabled || !acc->regc) { |
| if (acc->mwi_sub) { |
| /* Terminate MWI subscription */ |
| pjsip_evsub *sub = acc->mwi_sub; |
| |
| /* Detach sub from this account */ |
| acc->mwi_sub = NULL; |
| acc->mwi_dlg = NULL; |
| pjsip_evsub_set_mod_data(sub, pjsua_var.mod.id, NULL); |
| |
| /* Unsubscribe */ |
| status = pjsip_mwi_initiate(sub, 0, &tdata); |
| if (status == PJ_SUCCESS) { |
| status = pjsip_mwi_send_request(sub, tdata); |
| } |
| } |
| return status; |
| } |
| |
| /* Subscription is already active */ |
| if (acc->mwi_sub) { |
| if (!force_renew) |
| return PJ_SUCCESS; |
| |
| /* Update MWI subscription */ |
| pj_assert(acc->mwi_dlg); |
| pjsip_dlg_inc_lock(acc->mwi_dlg); |
| |
| status = pjsip_mwi_initiate(acc->mwi_sub, acc->cfg.mwi_expires, &tdata); |
| if (status == PJ_SUCCESS) { |
| pjsua_process_msg_data(tdata, NULL); |
| status = pjsip_pres_send_request(acc->mwi_sub, tdata); |
| } |
| |
| pjsip_dlg_dec_lock(acc->mwi_dlg); |
| return status; |
| } |
| |
| PJ_LOG(4,(THIS_FILE, "Starting MWI subscription..")); |
| pj_log_push_indent(); |
| |
| /* Generate suitable Contact header unless one is already set in |
| * the account |
| */ |
| if (acc->contact.slen) { |
| contact = acc->contact; |
| } else { |
| tmp_pool = pjsua_pool_create("tmpmwi", 512, 256); |
| status = pjsua_acc_create_uac_contact(tmp_pool, &contact, |
| acc->index, &acc->cfg.id); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Unable to generate Contact header", |
| status); |
| goto on_return; |
| } |
| } |
| |
| /* Create UAC dialog */ |
| status = pjsip_dlg_create_uac( pjsip_ua_instance(), |
| &acc->cfg.id, |
| &contact, |
| &acc->cfg.id, |
| NULL, &acc->mwi_dlg); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Unable to create dialog", status); |
| goto on_return; |
| } |
| |
| /* Increment the dialog's lock otherwise when presence session creation |
| * fails the dialog will be destroyed prematurely. |
| */ |
| pjsip_dlg_inc_lock(acc->mwi_dlg); |
| |
| if (acc->cfg.allow_via_rewrite && acc->via_addr.host.slen > 0) { |
| pjsip_dlg_set_via_sent_by(acc->mwi_dlg, &acc->via_addr, acc->via_tp); |
| } else if (!pjsua_sip_acc_is_using_stun(acc_id)) { |
| /* Choose local interface to use in Via if acc is not using |
| * STUN. See https://trac.pjsip.org/repos/ticket/1412 |
| */ |
| pjsip_host_port via_addr; |
| const void *via_tp; |
| |
| if (pjsua_acc_get_uac_addr(acc_id, acc->mwi_dlg->pool, &acc->cfg.id, |
| &via_addr, NULL, NULL, |
| &via_tp) == PJ_SUCCESS) |
| { |
| pjsip_dlg_set_via_sent_by(acc->mwi_dlg, &via_addr, |
| (pjsip_transport*)via_tp); |
| } |
| } |
| |
| /* Create UAC subscription */ |
| status = pjsip_mwi_create_uac(acc->mwi_dlg, &mwi_cb, |
| PJSIP_EVSUB_NO_EVENT_ID, &acc->mwi_sub); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Error creating MWI subscription", status); |
| if (acc->mwi_dlg) pjsip_dlg_dec_lock(acc->mwi_dlg); |
| goto on_return; |
| } |
| |
| /* If account is locked to specific transport, then lock dialog |
| * to this transport too. |
| */ |
| if (acc->cfg.transport_id != PJSUA_INVALID_ID) { |
| pjsip_tpselector tp_sel; |
| |
| pjsua_init_tpselector(acc->cfg.transport_id, &tp_sel); |
| pjsip_dlg_set_transport(acc->mwi_dlg, &tp_sel); |
| } |
| |
| /* Set route-set */ |
| if (!pj_list_empty(&acc->route_set)) { |
| pjsip_dlg_set_route_set(acc->mwi_dlg, &acc->route_set); |
| } |
| |
| /* Set credentials */ |
| if (acc->cred_cnt) { |
| pjsip_auth_clt_set_credentials( &acc->mwi_dlg->auth_sess, |
| acc->cred_cnt, acc->cred); |
| } |
| |
| /* Set authentication preference */ |
| pjsip_auth_clt_set_prefs(&acc->mwi_dlg->auth_sess, &acc->cfg.auth_pref); |
| |
| pjsip_evsub_set_mod_data(acc->mwi_sub, pjsua_var.mod.id, acc); |
| |
| status = pjsip_mwi_initiate(acc->mwi_sub, acc->cfg.mwi_expires, &tdata); |
| if (status != PJ_SUCCESS) { |
| if (acc->mwi_dlg) pjsip_dlg_dec_lock(acc->mwi_dlg); |
| if (acc->mwi_sub) { |
| pjsip_pres_terminate(acc->mwi_sub, PJ_FALSE); |
| } |
| acc->mwi_sub = NULL; |
| acc->mwi_dlg = NULL; |
| pjsua_perror(THIS_FILE, "Unable to create initial MWI SUBSCRIBE", |
| status); |
| goto on_return; |
| } |
| |
| pjsua_process_msg_data(tdata, NULL); |
| |
| status = pjsip_pres_send_request(acc->mwi_sub, tdata); |
| if (status != PJ_SUCCESS) { |
| if (acc->mwi_dlg) pjsip_dlg_dec_lock(acc->mwi_dlg); |
| if (acc->mwi_sub) { |
| pjsip_pres_terminate(acc->mwi_sub, PJ_FALSE); |
| } |
| acc->mwi_sub = NULL; |
| acc->mwi_dlg = NULL; |
| pjsua_perror(THIS_FILE, "Unable to send initial MWI SUBSCRIBE", |
| status); |
| goto on_return; |
| } |
| |
| pjsip_dlg_dec_lock(acc->mwi_dlg); |
| |
| on_return: |
| if (tmp_pool) pj_pool_release(tmp_pool); |
| |
| pj_log_pop_indent(); |
| return status; |
| } |
| |
| |
| /*************************************************************************** |
| * Unsolicited MWI |
| */ |
| static pj_bool_t unsolicited_mwi_on_rx_request(pjsip_rx_data *rdata) |
| { |
| pjsip_msg *msg = rdata->msg_info.msg; |
| pj_str_t EVENT_HDR = { "Event", 5 }; |
| pj_str_t MWI = { "message-summary", 15 }; |
| pjsip_event_hdr *eh; |
| |
| if (pjsip_method_cmp(&msg->line.req.method, &pjsip_notify_method)!=0) { |
| /* Only interested with NOTIFY request */ |
| return PJ_FALSE; |
| } |
| |
| eh = (pjsip_event_hdr*) pjsip_msg_find_hdr_by_name(msg, &EVENT_HDR, NULL); |
| if (!eh) { |
| /* Something wrong with the request, it has no Event hdr */ |
| return PJ_FALSE; |
| } |
| |
| if (pj_stricmp(&eh->event_type, &MWI) != 0) { |
| /* Not MWI event */ |
| return PJ_FALSE; |
| } |
| |
| PJ_LOG(4,(THIS_FILE, "Got unsolicited NOTIFY from %s:%d..", |
| rdata->pkt_info.src_name, rdata->pkt_info.src_port)); |
| pj_log_push_indent(); |
| |
| /* Got unsolicited MWI request, respond with 200/OK first */ |
| pjsip_endpt_respond(pjsua_get_pjsip_endpt(), NULL, rdata, 200, NULL, |
| NULL, NULL, NULL); |
| |
| |
| /* Call callback */ |
| if (pjsua_var.ua_cfg.cb.on_mwi_info) { |
| pjsua_acc_id acc_id; |
| pjsua_mwi_info mwi_info; |
| |
| acc_id = pjsua_acc_find_for_incoming(rdata); |
| |
| pj_bzero(&mwi_info, sizeof(mwi_info)); |
| mwi_info.rdata = rdata; |
| |
| (*pjsua_var.ua_cfg.cb.on_mwi_info)(acc_id, &mwi_info); |
| } |
| |
| pj_log_pop_indent(); |
| return PJ_TRUE; |
| } |
| |
| /* The module instance. */ |
| static pjsip_module pjsua_unsolicited_mwi_mod = |
| { |
| NULL, NULL, /* prev, next. */ |
| { "mod-unsolicited-mwi", 19 }, /* Name. */ |
| -1, /* Id */ |
| PJSIP_MOD_PRIORITY_APPLICATION, /* Priority */ |
| NULL, /* load() */ |
| NULL, /* start() */ |
| NULL, /* stop() */ |
| NULL, /* unload() */ |
| &unsolicited_mwi_on_rx_request, /* on_rx_request() */ |
| NULL, /* on_rx_response() */ |
| NULL, /* on_tx_request. */ |
| NULL, /* on_tx_response() */ |
| NULL, /* on_tsx_state() */ |
| }; |
| |
| static pj_status_t enable_unsolicited_mwi(void) |
| { |
| pj_status_t status; |
| |
| status = pjsip_endpt_register_module(pjsua_get_pjsip_endpt(), |
| &pjsua_unsolicited_mwi_mod); |
| if (status != PJ_SUCCESS) |
| pjsua_perror(THIS_FILE, "Error registering unsolicited MWI module", |
| status); |
| |
| return status; |
| } |
| |
| |
| |
| /***************************************************************************/ |
| |
| /* Timer callback to re-create client subscription */ |
| static void pres_timer_cb(pj_timer_heap_t *th, |
| pj_timer_entry *entry) |
| { |
| unsigned i; |
| pj_time_val delay = { PJSUA_PRES_TIMER, 0 }; |
| |
| entry->id = PJ_FALSE; |
| |
| /* Retry failed PUBLISH and MWI SUBSCRIBE requests */ |
| for (i=0; i<PJ_ARRAY_SIZE(pjsua_var.acc); ++i) { |
| pjsua_acc *acc = &pjsua_var.acc[i]; |
| |
| /* Acc may not be ready yet, otherwise assertion will happen */ |
| if (!pjsua_acc_is_valid(i)) |
| continue; |
| |
| /* Retry PUBLISH */ |
| if (acc->cfg.publish_enabled && acc->publish_sess==NULL) |
| pjsua_pres_init_publish_acc(acc->index); |
| |
| /* Re-subscribe MWI subscription if it's terminated prematurely */ |
| if (acc->cfg.mwi_enabled && !acc->mwi_sub) |
| pjsua_start_mwi(acc->index, PJ_FALSE); |
| } |
| |
| /* #937: No need to do bulk client refresh, as buddies have their |
| * own individual timer now. |
| */ |
| //refresh_client_subscriptions(); |
| |
| pjsip_endpt_schedule_timer(pjsua_var.endpt, entry, &delay); |
| entry->id = PJ_TRUE; |
| |
| PJ_UNUSED_ARG(th); |
| } |
| |
| |
| /* |
| * Init presence |
| */ |
| pj_status_t pjsua_pres_init() |
| { |
| unsigned i; |
| pj_status_t status; |
| |
| status = pjsip_endpt_register_module( pjsua_var.endpt, &mod_pjsua_pres); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Unable to register pjsua presence module", |
| status); |
| } |
| |
| for (i=0; i<PJ_ARRAY_SIZE(pjsua_var.buddy); ++i) { |
| reset_buddy(i); |
| } |
| |
| return status; |
| } |
| |
| |
| /* |
| * Start presence subsystem. |
| */ |
| pj_status_t pjsua_pres_start(void) |
| { |
| /* Start presence timer to re-subscribe to buddy's presence when |
| * subscription has failed. |
| */ |
| if (pjsua_var.pres_timer.id == PJ_FALSE) { |
| pj_time_val pres_interval = {PJSUA_PRES_TIMER, 0}; |
| |
| pjsua_var.pres_timer.cb = &pres_timer_cb; |
| pjsip_endpt_schedule_timer(pjsua_var.endpt, &pjsua_var.pres_timer, |
| &pres_interval); |
| pjsua_var.pres_timer.id = PJ_TRUE; |
| } |
| |
| if (pjsua_var.ua_cfg.enable_unsolicited_mwi) { |
| pj_status_t status = enable_unsolicited_mwi(); |
| if (status != PJ_SUCCESS) |
| return status; |
| } |
| |
| return PJ_SUCCESS; |
| } |
| |
| |
| /* |
| * Shutdown presence. |
| */ |
| void pjsua_pres_shutdown(unsigned flags) |
| { |
| unsigned i; |
| |
| PJ_LOG(4,(THIS_FILE, "Shutting down presence..")); |
| pj_log_push_indent(); |
| |
| if (pjsua_var.pres_timer.id != 0) { |
| pjsip_endpt_cancel_timer(pjsua_var.endpt, &pjsua_var.pres_timer); |
| pjsua_var.pres_timer.id = PJ_FALSE; |
| } |
| |
| for (i=0; i<PJ_ARRAY_SIZE(pjsua_var.acc); ++i) { |
| if (!pjsua_var.acc[i].valid) |
| continue; |
| pjsua_pres_delete_acc(i, flags); |
| } |
| |
| for (i=0; i<PJ_ARRAY_SIZE(pjsua_var.buddy); ++i) { |
| pjsua_var.buddy[i].monitor = 0; |
| } |
| |
| if ((flags & PJSUA_DESTROY_NO_TX_MSG) == 0) { |
| refresh_client_subscriptions(); |
| |
| for (i=0; i<PJ_ARRAY_SIZE(pjsua_var.acc); ++i) { |
| if (pjsua_var.acc[i].valid) |
| pjsua_pres_update_acc(i, PJ_FALSE); |
| } |
| } |
| |
| pj_log_pop_indent(); |
| } |