* #27232: jni: added pjproject checkout as regular git content
We will remove it once the next release of pjsip (with Android support)
comes out and is merged into SFLphone.
diff --git a/jni/pjproject-android/.svn/pristine/b6/b6b926ae6e81a219ad2d7d4c41590a9877f68d9a.svn-base b/jni/pjproject-android/.svn/pristine/b6/b6b926ae6e81a219ad2d7d4c41590a9877f68d9a.svn-base
new file mode 100644
index 0000000..d170b66
--- /dev/null
+++ b/jni/pjproject-android/.svn/pristine/b6/b6b926ae6e81a219ad2d7d4c41590a9877f68d9a.svn-base
@@ -0,0 +1,3016 @@
+/* $Id$ */
+/*
+ * 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_core.c"
+
+
+/* Internal prototypes */
+static void resolve_stun_entry(pjsua_stun_resolve *sess);
+
+
+/* PJSUA application instance. */
+struct pjsua_data pjsua_var;
+
+
+PJ_DEF(struct pjsua_data*) pjsua_get_var(void)
+{
+ return &pjsua_var;
+}
+
+
+/* Display error */
+PJ_DEF(void) pjsua_perror( const char *sender, const char *title,
+ pj_status_t status)
+{
+ char errmsg[PJ_ERR_MSG_SIZE];
+
+ pj_strerror(status, errmsg, sizeof(errmsg));
+ PJ_LOG(1,(sender, "%s: %s [status=%d]", title, errmsg, status));
+}
+
+
+static void init_data()
+{
+ unsigned i;
+
+ pj_bzero(&pjsua_var, sizeof(pjsua_var));
+
+ for (i=0; i<PJ_ARRAY_SIZE(pjsua_var.acc); ++i)
+ pjsua_var.acc[i].index = i;
+
+ for (i=0; i<PJ_ARRAY_SIZE(pjsua_var.tpdata); ++i)
+ pjsua_var.tpdata[i].index = i;
+
+ pjsua_var.stun_status = PJ_EUNKNOWN;
+ pjsua_var.nat_status = PJ_EPENDING;
+ pj_list_init(&pjsua_var.stun_res);
+ pj_list_init(&pjsua_var.outbound_proxy);
+
+ pjsua_config_default(&pjsua_var.ua_cfg);
+
+ for (i=0; i<PJSUA_MAX_VID_WINS; ++i) {
+ pjsua_vid_win_reset(i);
+ }
+}
+
+
+PJ_DEF(void) pjsua_logging_config_default(pjsua_logging_config *cfg)
+{
+ pj_bzero(cfg, sizeof(*cfg));
+
+ cfg->msg_logging = PJ_TRUE;
+ cfg->level = 5;
+ cfg->console_level = 4;
+ cfg->decor = PJ_LOG_HAS_SENDER | PJ_LOG_HAS_TIME |
+ PJ_LOG_HAS_MICRO_SEC | PJ_LOG_HAS_NEWLINE |
+ PJ_LOG_HAS_SPACE | PJ_LOG_HAS_THREAD_SWC |
+ PJ_LOG_HAS_INDENT;
+#if (defined(PJ_WIN32) && PJ_WIN32 != 0) || (defined(PJ_WIN64) && PJ_WIN64 != 0)
+ cfg->decor |= PJ_LOG_HAS_COLOR;
+#endif
+}
+
+PJ_DEF(void) pjsua_logging_config_dup(pj_pool_t *pool,
+ pjsua_logging_config *dst,
+ const pjsua_logging_config *src)
+{
+ pj_memcpy(dst, src, sizeof(*src));
+ pj_strdup_with_null(pool, &dst->log_filename, &src->log_filename);
+}
+
+PJ_DEF(void) pjsua_config_default(pjsua_config *cfg)
+{
+ pj_bzero(cfg, sizeof(*cfg));
+
+ cfg->max_calls = ((PJSUA_MAX_CALLS) < 4) ? (PJSUA_MAX_CALLS) : 4;
+ cfg->thread_cnt = 1;
+ cfg->nat_type_in_sdp = 1;
+ cfg->stun_ignore_failure = PJ_TRUE;
+ cfg->force_lr = PJ_TRUE;
+ cfg->enable_unsolicited_mwi = PJ_TRUE;
+ cfg->use_srtp = PJSUA_DEFAULT_USE_SRTP;
+ cfg->srtp_secure_signaling = PJSUA_DEFAULT_SRTP_SECURE_SIGNALING;
+ cfg->hangup_forked_call = PJ_TRUE;
+
+ cfg->use_timer = PJSUA_SIP_TIMER_OPTIONAL;
+ pjsip_timer_setting_default(&cfg->timer_setting);
+}
+
+PJ_DEF(void) pjsua_config_dup(pj_pool_t *pool,
+ pjsua_config *dst,
+ const pjsua_config *src)
+{
+ unsigned i;
+
+ pj_memcpy(dst, src, sizeof(*src));
+
+ for (i=0; i<src->outbound_proxy_cnt; ++i) {
+ pj_strdup_with_null(pool, &dst->outbound_proxy[i],
+ &src->outbound_proxy[i]);
+ }
+
+ for (i=0; i<src->cred_count; ++i) {
+ pjsip_cred_dup(pool, &dst->cred_info[i], &src->cred_info[i]);
+ }
+
+ pj_strdup_with_null(pool, &dst->user_agent, &src->user_agent);
+ pj_strdup_with_null(pool, &dst->stun_domain, &src->stun_domain);
+ pj_strdup_with_null(pool, &dst->stun_host, &src->stun_host);
+
+ for (i=0; i<src->stun_srv_cnt; ++i) {
+ pj_strdup_with_null(pool, &dst->stun_srv[i], &src->stun_srv[i]);
+ }
+}
+
+PJ_DEF(void) pjsua_msg_data_init(pjsua_msg_data *msg_data)
+{
+ pj_bzero(msg_data, sizeof(*msg_data));
+ pj_list_init(&msg_data->hdr_list);
+ pjsip_media_type_init(&msg_data->multipart_ctype, NULL, NULL);
+ pj_list_init(&msg_data->multipart_parts);
+}
+
+PJ_DEF(pjsua_msg_data*) pjsua_msg_data_clone(pj_pool_t *pool,
+ const pjsua_msg_data *rhs)
+{
+ pjsua_msg_data *msg_data;
+ const pjsip_hdr *hdr;
+ const pjsip_multipart_part *mpart;
+
+ PJ_ASSERT_RETURN(pool && rhs, NULL);
+
+ msg_data = PJ_POOL_ZALLOC_T(pool, pjsua_msg_data);
+ PJ_ASSERT_RETURN(msg_data != NULL, NULL);
+
+ pj_strdup(pool, &msg_data->target_uri, &rhs->target_uri);
+
+ pj_list_init(&msg_data->hdr_list);
+ hdr = rhs->hdr_list.next;
+ while (hdr != &rhs->hdr_list) {
+ pj_list_push_back(&msg_data->hdr_list, pjsip_hdr_clone(pool, hdr));
+ hdr = hdr->next;
+ }
+
+ pj_strdup(pool, &msg_data->content_type, &rhs->content_type);
+ pj_strdup(pool, &msg_data->msg_body, &rhs->msg_body);
+
+ pjsip_media_type_cp(pool, &msg_data->multipart_ctype,
+ &rhs->multipart_ctype);
+
+ pj_list_init(&msg_data->multipart_parts);
+ mpart = rhs->multipart_parts.next;
+ while (mpart != &rhs->multipart_parts) {
+ pj_list_push_back(&msg_data->multipart_parts,
+ pjsip_multipart_clone_part(pool, mpart));
+ mpart = mpart->next;
+ }
+
+ return msg_data;
+}
+
+PJ_DEF(void) pjsua_transport_config_default(pjsua_transport_config *cfg)
+{
+ pj_bzero(cfg, sizeof(*cfg));
+ pjsip_tls_setting_default(&cfg->tls_setting);
+}
+
+PJ_DEF(void) pjsua_transport_config_dup(pj_pool_t *pool,
+ pjsua_transport_config *dst,
+ const pjsua_transport_config *src)
+{
+ pj_memcpy(dst, src, sizeof(*src));
+ pj_strdup(pool, &dst->public_addr, &src->public_addr);
+ pj_strdup(pool, &dst->bound_addr, &src->bound_addr);
+}
+
+PJ_DEF(void) pjsua_ice_config_from_media_config( pj_pool_t *pool,
+ pjsua_ice_config *dst,
+ const pjsua_media_config *src)
+{
+ PJ_UNUSED_ARG(pool);
+
+ dst->enable_ice = src->enable_ice;
+ dst->ice_max_host_cands = src->ice_max_host_cands;
+ dst->ice_opt = src->ice_opt;
+ dst->ice_no_rtcp = src->ice_no_rtcp;
+ dst->ice_always_update = src->ice_always_update;
+}
+
+PJ_DEF(void) pjsua_ice_config_dup( pj_pool_t *pool,
+ pjsua_ice_config *dst,
+ const pjsua_ice_config *src)
+{
+ PJ_UNUSED_ARG(pool);
+ pj_memcpy(dst, src, sizeof(*src));
+}
+
+PJ_DEF(void) pjsua_turn_config_from_media_config(pj_pool_t *pool,
+ pjsua_turn_config *dst,
+ const pjsua_media_config *src)
+{
+ dst->enable_turn = src->enable_turn;
+ dst->turn_conn_type = src->turn_conn_type;
+ if (pool == NULL) {
+ dst->turn_server = src->turn_server;
+ dst->turn_auth_cred = src->turn_auth_cred;
+ } else {
+ if (pj_stricmp(&dst->turn_server, &src->turn_server))
+ pj_strdup(pool, &dst->turn_server, &src->turn_server);
+ pj_stun_auth_cred_dup(pool, &dst->turn_auth_cred,
+ &src->turn_auth_cred);
+ }
+}
+
+PJ_DEF(void) pjsua_turn_config_dup(pj_pool_t *pool,
+ pjsua_turn_config *dst,
+ const pjsua_turn_config *src)
+{
+ pj_memcpy(dst, src, sizeof(*src));
+ if (pool) {
+ pj_strdup(pool, &dst->turn_server, &src->turn_server);
+ pj_stun_auth_cred_dup(pool, &dst->turn_auth_cred,
+ &src->turn_auth_cred);
+ }
+}
+
+PJ_DEF(void) pjsua_acc_config_default(pjsua_acc_config *cfg)
+{
+ pjsua_media_config med_cfg;
+
+ pj_bzero(cfg, sizeof(*cfg));
+
+ cfg->reg_timeout = PJSUA_REG_INTERVAL;
+ cfg->reg_delay_before_refresh = PJSIP_REGISTER_CLIENT_DELAY_BEFORE_REFRESH;
+ cfg->unreg_timeout = PJSUA_UNREG_TIMEOUT;
+ pjsip_publishc_opt_default(&cfg->publish_opt);
+ cfg->unpublish_max_wait_time_msec = PJSUA_UNPUBLISH_MAX_WAIT_TIME_MSEC;
+ cfg->transport_id = PJSUA_INVALID_ID;
+ cfg->allow_contact_rewrite = PJ_TRUE;
+ cfg->allow_via_rewrite = PJ_TRUE;
+ cfg->require_100rel = pjsua_var.ua_cfg.require_100rel;
+ cfg->use_timer = pjsua_var.ua_cfg.use_timer;
+ cfg->timer_setting = pjsua_var.ua_cfg.timer_setting;
+ cfg->lock_codec = 1;
+ cfg->ka_interval = 15;
+ cfg->ka_data = pj_str("\r\n");
+ cfg->vid_cap_dev = PJMEDIA_VID_DEFAULT_CAPTURE_DEV;
+ cfg->vid_rend_dev = PJMEDIA_VID_DEFAULT_RENDER_DEV;
+#if PJMEDIA_HAS_VIDEO
+ pjmedia_vid_stream_rc_config_default(&cfg->vid_stream_rc_cfg);
+#endif
+ pjsua_transport_config_default(&cfg->rtp_cfg);
+
+ pjsua_media_config_default(&med_cfg);
+ pjsua_ice_config_from_media_config(NULL, &cfg->ice_cfg, &med_cfg);
+ pjsua_turn_config_from_media_config(NULL, &cfg->turn_cfg, &med_cfg);
+
+ cfg->use_srtp = pjsua_var.ua_cfg.use_srtp;
+ cfg->srtp_secure_signaling = pjsua_var.ua_cfg.srtp_secure_signaling;
+ cfg->srtp_optional_dup_offer = pjsua_var.ua_cfg.srtp_optional_dup_offer;
+ cfg->reg_retry_interval = PJSUA_REG_RETRY_INTERVAL;
+ cfg->contact_rewrite_method = PJSUA_CONTACT_REWRITE_METHOD;
+ cfg->use_rfc5626 = PJ_TRUE;
+ cfg->reg_use_proxy = PJSUA_REG_USE_OUTBOUND_PROXY |
+ PJSUA_REG_USE_ACC_PROXY;
+#if defined(PJMEDIA_STREAM_ENABLE_KA) && PJMEDIA_STREAM_ENABLE_KA!=0
+ cfg->use_stream_ka = (PJMEDIA_STREAM_ENABLE_KA != 0);
+#endif
+ pj_list_init(&cfg->reg_hdr_list);
+ pj_list_init(&cfg->sub_hdr_list);
+ cfg->call_hold_type = PJSUA_CALL_HOLD_TYPE_DEFAULT;
+ cfg->register_on_acc_add = PJ_TRUE;
+ cfg->mwi_expires = PJSIP_MWI_DEFAULT_EXPIRES;
+}
+
+PJ_DEF(void) pjsua_buddy_config_default(pjsua_buddy_config *cfg)
+{
+ pj_bzero(cfg, sizeof(*cfg));
+}
+
+PJ_DEF(void) pjsua_media_config_default(pjsua_media_config *cfg)
+{
+ pj_bzero(cfg, sizeof(*cfg));
+
+ cfg->clock_rate = PJSUA_DEFAULT_CLOCK_RATE;
+ cfg->snd_clock_rate = 0;
+ cfg->channel_count = 1;
+ cfg->audio_frame_ptime = PJSUA_DEFAULT_AUDIO_FRAME_PTIME;
+ cfg->max_media_ports = PJSUA_MAX_CONF_PORTS;
+ cfg->has_ioqueue = PJ_TRUE;
+ cfg->thread_cnt = 1;
+ cfg->quality = PJSUA_DEFAULT_CODEC_QUALITY;
+ cfg->ilbc_mode = PJSUA_DEFAULT_ILBC_MODE;
+ cfg->ec_tail_len = PJSUA_DEFAULT_EC_TAIL_LEN;
+ cfg->snd_rec_latency = PJMEDIA_SND_DEFAULT_REC_LATENCY;
+ cfg->snd_play_latency = PJMEDIA_SND_DEFAULT_PLAY_LATENCY;
+ cfg->jb_init = cfg->jb_min_pre = cfg->jb_max_pre = cfg->jb_max = -1;
+ cfg->snd_auto_close_time = 1;
+
+ cfg->ice_max_host_cands = -1;
+ cfg->ice_always_update = PJ_TRUE;
+ pj_ice_sess_options_default(&cfg->ice_opt);
+
+ cfg->turn_conn_type = PJ_TURN_TP_UDP;
+ cfg->vid_preview_enable_native = PJ_TRUE;
+}
+
+/*****************************************************************************
+ * This is a very simple PJSIP module, whose sole purpose is to display
+ * incoming and outgoing messages to log. This module will have priority
+ * higher than transport layer, which means:
+ *
+ * - incoming messages will come to this module first before reaching
+ * transaction layer.
+ *
+ * - outgoing messages will come to this module last, after the message
+ * has been 'printed' to contiguous buffer by transport layer and
+ * appropriate transport instance has been decided for this message.
+ *
+ */
+
+/* Notification on incoming messages */
+static pj_bool_t logging_on_rx_msg(pjsip_rx_data *rdata)
+{
+ PJ_LOG(4,(THIS_FILE, "RX %d bytes %s from %s %s:%d:\n"
+ "%.*s\n"
+ "--end msg--",
+ rdata->msg_info.len,
+ pjsip_rx_data_get_info(rdata),
+ rdata->tp_info.transport->type_name,
+ rdata->pkt_info.src_name,
+ rdata->pkt_info.src_port,
+ (int)rdata->msg_info.len,
+ rdata->msg_info.msg_buf));
+
+ /* Always return false, otherwise messages will not get processed! */
+ return PJ_FALSE;
+}
+
+/* Notification on outgoing messages */
+static pj_status_t logging_on_tx_msg(pjsip_tx_data *tdata)
+{
+
+ /* Important note:
+ * tp_info field is only valid after outgoing messages has passed
+ * transport layer. So don't try to access tp_info when the module
+ * has lower priority than transport layer.
+ */
+
+ PJ_LOG(4,(THIS_FILE, "TX %d bytes %s to %s %s:%d:\n"
+ "%.*s\n"
+ "--end msg--",
+ (tdata->buf.cur - tdata->buf.start),
+ pjsip_tx_data_get_info(tdata),
+ tdata->tp_info.transport->type_name,
+ tdata->tp_info.dst_name,
+ tdata->tp_info.dst_port,
+ (int)(tdata->buf.cur - tdata->buf.start),
+ tdata->buf.start));
+
+ /* Always return success, otherwise message will not get sent! */
+ return PJ_SUCCESS;
+}
+
+/* The module instance. */
+static pjsip_module pjsua_msg_logger =
+{
+ NULL, NULL, /* prev, next. */
+ { "mod-pjsua-log", 13 }, /* Name. */
+ -1, /* Id */
+ PJSIP_MOD_PRIORITY_TRANSPORT_LAYER-1,/* Priority */
+ NULL, /* load() */
+ NULL, /* start() */
+ NULL, /* stop() */
+ NULL, /* unload() */
+ &logging_on_rx_msg, /* on_rx_request() */
+ &logging_on_rx_msg, /* on_rx_response() */
+ &logging_on_tx_msg, /* on_tx_request. */
+ &logging_on_tx_msg, /* on_tx_response() */
+ NULL, /* on_tsx_state() */
+
+};
+
+
+/*****************************************************************************
+ * Another simple module to handle incoming OPTIONS request
+ */
+
+/* Notification on incoming request */
+static pj_bool_t options_on_rx_request(pjsip_rx_data *rdata)
+{
+ pjsip_tx_data *tdata;
+ pjsip_response_addr res_addr;
+ const pjsip_hdr *cap_hdr;
+ pj_status_t status;
+
+ /* Only want to handle OPTIONS requests */
+ if (pjsip_method_cmp(&rdata->msg_info.msg->line.req.method,
+ pjsip_get_options_method()) != 0)
+ {
+ return PJ_FALSE;
+ }
+
+ /* Don't want to handle 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;
+ }
+
+ /* Create basic response. */
+ status = pjsip_endpt_create_response(pjsua_var.endpt, rdata, 200, NULL,
+ &tdata);
+ if (status != PJ_SUCCESS) {
+ pjsua_perror(THIS_FILE, "Unable to create OPTIONS response", status);
+ return PJ_TRUE;
+ }
+
+ /* Add Allow header */
+ cap_hdr = pjsip_endpt_get_capability(pjsua_var.endpt, PJSIP_H_ALLOW, NULL);
+ if (cap_hdr) {
+ pjsip_msg_add_hdr(tdata->msg,
+ (pjsip_hdr*) pjsip_hdr_clone(tdata->pool, cap_hdr));
+ }
+
+ /* Add Accept header */
+ cap_hdr = pjsip_endpt_get_capability(pjsua_var.endpt, PJSIP_H_ACCEPT, NULL);
+ if (cap_hdr) {
+ pjsip_msg_add_hdr(tdata->msg,
+ (pjsip_hdr*) pjsip_hdr_clone(tdata->pool, cap_hdr));
+ }
+
+ /* Add Supported header */
+ cap_hdr = pjsip_endpt_get_capability(pjsua_var.endpt, PJSIP_H_SUPPORTED, NULL);
+ if (cap_hdr) {
+ pjsip_msg_add_hdr(tdata->msg,
+ (pjsip_hdr*) pjsip_hdr_clone(tdata->pool, cap_hdr));
+ }
+
+ /* Add Allow-Events header from the evsub module */
+ cap_hdr = pjsip_evsub_get_allow_events_hdr(NULL);
+ if (cap_hdr) {
+ pjsip_msg_add_hdr(tdata->msg,
+ (pjsip_hdr*) pjsip_hdr_clone(tdata->pool, cap_hdr));
+ }
+
+ /* Add User-Agent header */
+ if (pjsua_var.ua_cfg.user_agent.slen) {
+ const pj_str_t USER_AGENT = { "User-Agent", 10};
+ pjsip_hdr *h;
+
+ h = (pjsip_hdr*) pjsip_generic_string_hdr_create(tdata->pool,
+ &USER_AGENT,
+ &pjsua_var.ua_cfg.user_agent);
+ pjsip_msg_add_hdr(tdata->msg, h);
+ }
+
+ /* Get media socket info, make sure transport is ready */
+#if DISABLED_FOR_TICKET_1185
+ if (pjsua_var.calls[0].med_tp) {
+ pjmedia_transport_info tpinfo;
+ pjmedia_sdp_session *sdp;
+
+ pjmedia_transport_info_init(&tpinfo);
+ pjmedia_transport_get_info(pjsua_var.calls[0].med_tp, &tpinfo);
+
+ /* Add SDP body, using call0's RTP address */
+ status = pjmedia_endpt_create_sdp(pjsua_var.med_endpt, tdata->pool, 1,
+ &tpinfo.sock_info, &sdp);
+ if (status == PJ_SUCCESS) {
+ pjsip_create_sdp_body(tdata->pool, sdp, &tdata->msg->body);
+ }
+ }
+#endif
+
+ /* Send response */
+ pjsip_get_response_addr(tdata->pool, rdata, &res_addr);
+ status = pjsip_endpt_send_response(pjsua_var.endpt, &res_addr, tdata, NULL, NULL);
+ if (status != PJ_SUCCESS)
+ pjsip_tx_data_dec_ref(tdata);
+
+ return PJ_TRUE;
+}
+
+
+/* The module instance. */
+static pjsip_module pjsua_options_handler =
+{
+ NULL, NULL, /* prev, next. */
+ { "mod-pjsua-options", 17 }, /* Name. */
+ -1, /* Id */
+ PJSIP_MOD_PRIORITY_APPLICATION, /* Priority */
+ NULL, /* load() */
+ NULL, /* start() */
+ NULL, /* stop() */
+ NULL, /* unload() */
+ &options_on_rx_request, /* on_rx_request() */
+ NULL, /* on_rx_response() */
+ NULL, /* on_tx_request. */
+ NULL, /* on_tx_response() */
+ NULL, /* on_tsx_state() */
+
+};
+
+
+/*****************************************************************************
+ * These two functions are the main callbacks registered to PJSIP stack
+ * to receive SIP request and response messages that are outside any
+ * dialogs and any transactions.
+ */
+
+/*
+ * Handler for receiving incoming requests.
+ *
+ * This handler serves multiple purposes:
+ * - it receives requests outside dialogs.
+ * - it receives requests inside dialogs, when the requests are
+ * unhandled by other dialog usages. Example of these
+ * requests are: MESSAGE.
+ */
+static pj_bool_t mod_pjsua_on_rx_request(pjsip_rx_data *rdata)
+{
+ pj_bool_t processed = PJ_FALSE;
+
+ PJSUA_LOCK();
+
+ if (rdata->msg_info.msg->line.req.method.id == PJSIP_INVITE_METHOD) {
+
+ processed = pjsua_call_on_incoming(rdata);
+ }
+
+ PJSUA_UNLOCK();
+
+ return processed;
+}
+
+
+/*
+ * Handler for receiving incoming responses.
+ *
+ * This handler serves multiple purposes:
+ * - it receives strayed responses (i.e. outside any dialog and
+ * outside any transactions).
+ * - it receives responses coming to a transaction, when pjsua
+ * module is set as transaction user for the transaction.
+ * - it receives responses inside a dialog, when these responses
+ * are unhandled by other dialog usages.
+ */
+static pj_bool_t mod_pjsua_on_rx_response(pjsip_rx_data *rdata)
+{
+ PJ_UNUSED_ARG(rdata);
+ return PJ_FALSE;
+}
+
+
+/*****************************************************************************
+ * Logging.
+ */
+
+/* Log callback */
+static void log_writer(int level, const char *buffer, int len)
+{
+ /* Write to file, stdout or application callback. */
+
+ if (pjsua_var.log_file) {
+ pj_ssize_t size = len;
+ pj_file_write(pjsua_var.log_file, buffer, &size);
+ /* This will slow things down considerably! Don't do it!
+ pj_file_flush(pjsua_var.log_file);
+ */
+ }
+
+ if (level <= (int)pjsua_var.log_cfg.console_level) {
+ if (pjsua_var.log_cfg.cb)
+ (*pjsua_var.log_cfg.cb)(level, buffer, len);
+ else
+ pj_log_write(level, buffer, len);
+ }
+}
+
+
+/*
+ * Application can call this function at any time (after pjsua_create(), of
+ * course) to change logging settings.
+ */
+PJ_DEF(pj_status_t) pjsua_reconfigure_logging(const pjsua_logging_config *cfg)
+{
+ pj_status_t status;
+
+ /* Save config. */
+ pjsua_logging_config_dup(pjsua_var.pool, &pjsua_var.log_cfg, cfg);
+
+ /* Redirect log function to ours */
+ pj_log_set_log_func( &log_writer );
+
+ /* Set decor */
+ pj_log_set_decor(pjsua_var.log_cfg.decor);
+
+ /* Set log level */
+ pj_log_set_level(pjsua_var.log_cfg.level);
+
+ /* Close existing file, if any */
+ if (pjsua_var.log_file) {
+ pj_file_close(pjsua_var.log_file);
+ pjsua_var.log_file = NULL;
+ }
+
+ /* If output log file is desired, create the file: */
+ if (pjsua_var.log_cfg.log_filename.slen) {
+ unsigned flags = PJ_O_WRONLY;
+ flags |= pjsua_var.log_cfg.log_file_flags;
+ status = pj_file_open(pjsua_var.pool,
+ pjsua_var.log_cfg.log_filename.ptr,
+ flags,
+ &pjsua_var.log_file);
+
+ if (status != PJ_SUCCESS) {
+ pjsua_perror(THIS_FILE, "Error creating log file", status);
+ return status;
+ }
+ }
+
+ /* Unregister msg logging if it's previously registered */
+ if (pjsua_msg_logger.id >= 0) {
+ pjsip_endpt_unregister_module(pjsua_var.endpt, &pjsua_msg_logger);
+ pjsua_msg_logger.id = -1;
+ }
+
+ /* Enable SIP message logging */
+ if (pjsua_var.log_cfg.msg_logging)
+ pjsip_endpt_register_module(pjsua_var.endpt, &pjsua_msg_logger);
+
+ return PJ_SUCCESS;
+}
+
+
+/*****************************************************************************
+ * PJSUA Base API.
+ */
+
+/* Worker thread function. */
+static int worker_thread(void *arg)
+{
+ enum { TIMEOUT = 10 };
+
+ PJ_UNUSED_ARG(arg);
+
+ while (!pjsua_var.thread_quit_flag) {
+ int count;
+
+ count = pjsua_handle_events(TIMEOUT);
+ if (count < 0)
+ pj_thread_sleep(TIMEOUT);
+ }
+
+ return 0;
+}
+
+
+/* Init random seed */
+static void init_random_seed(void)
+{
+ pj_sockaddr addr;
+ const pj_str_t *hostname;
+ pj_uint32_t pid;
+ pj_time_val t;
+ unsigned seed=0;
+
+ /* Add hostname */
+ hostname = pj_gethostname();
+ seed = pj_hash_calc(seed, hostname->ptr, (int)hostname->slen);
+
+ /* Add primary IP address */
+ if (pj_gethostip(pj_AF_INET(), &addr)==PJ_SUCCESS)
+ seed = pj_hash_calc(seed, &addr.ipv4.sin_addr, 4);
+
+ /* Get timeofday */
+ pj_gettimeofday(&t);
+ seed = pj_hash_calc(seed, &t, sizeof(t));
+
+ /* Add PID */
+ pid = pj_getpid();
+ seed = pj_hash_calc(seed, &pid, sizeof(pid));
+
+ /* Init random seed */
+ pj_srand(seed);
+}
+
+/*
+ * Instantiate pjsua application.
+ */
+PJ_DEF(pj_status_t) pjsua_create(void)
+{
+ pj_status_t status;
+
+ /* Init pjsua data */
+ init_data();
+
+ /* Set default logging settings */
+ pjsua_logging_config_default(&pjsua_var.log_cfg);
+
+ /* Init PJLIB: */
+ status = pj_init();
+ PJ_ASSERT_RETURN(status == PJ_SUCCESS, status);
+
+ pj_log_push_indent();
+
+ /* Init random seed */
+ init_random_seed();
+
+ /* Init PJLIB-UTIL: */
+ status = pjlib_util_init();
+ PJ_ASSERT_RETURN(status == PJ_SUCCESS, status);
+
+ /* Init PJNATH */
+ status = pjnath_init();
+ PJ_ASSERT_RETURN(status == PJ_SUCCESS, status);
+
+ /* Set default sound device ID */
+ pjsua_var.cap_dev = PJMEDIA_AUD_DEFAULT_CAPTURE_DEV;
+ pjsua_var.play_dev = PJMEDIA_AUD_DEFAULT_PLAYBACK_DEV;
+
+ /* Set default video device ID */
+ pjsua_var.vcap_dev = PJMEDIA_VID_DEFAULT_CAPTURE_DEV;
+ pjsua_var.vrdr_dev = PJMEDIA_VID_DEFAULT_RENDER_DEV;
+
+ /* Init caching pool. */
+ pj_caching_pool_init(&pjsua_var.cp, NULL, 0);
+
+ /* Create memory pool for application. */
+ pjsua_var.pool = pjsua_pool_create("pjsua", 1000, 1000);
+
+ PJ_ASSERT_RETURN(pjsua_var.pool, PJ_ENOMEM);
+
+ /* Create mutex */
+ status = pj_mutex_create_recursive(pjsua_var.pool, "pjsua",
+ &pjsua_var.mutex);
+ if (status != PJ_SUCCESS) {
+ pj_log_pop_indent();
+ pjsua_perror(THIS_FILE, "Unable to create mutex", status);
+ return status;
+ }
+
+ /* Must create SIP endpoint to initialize SIP parser. The parser
+ * is needed for example when application needs to call pjsua_verify_url().
+ */
+ status = pjsip_endpt_create(&pjsua_var.cp.factory,
+ pj_gethostname()->ptr,
+ &pjsua_var.endpt);
+ PJ_ASSERT_RETURN(status == PJ_SUCCESS, status);
+
+ /* Init timer entry list */
+ pj_list_init(&pjsua_var.timer_list);
+
+ /* Create timer mutex */
+ status = pj_mutex_create_recursive(pjsua_var.pool, "pjsua_timer",
+ &pjsua_var.timer_mutex);
+ if (status != PJ_SUCCESS) {
+ pj_log_pop_indent();
+ pjsua_perror(THIS_FILE, "Unable to create mutex", status);
+ return status;
+ }
+
+ pjsua_set_state(PJSUA_STATE_CREATED);
+ pj_log_pop_indent();
+ return PJ_SUCCESS;
+}
+
+
+/*
+ * Initialize pjsua with the specified settings. All the settings are
+ * optional, and the default values will be used when the config is not
+ * specified.
+ */
+PJ_DEF(pj_status_t) pjsua_init( const pjsua_config *ua_cfg,
+ const pjsua_logging_config *log_cfg,
+ const pjsua_media_config *media_cfg)
+{
+ pjsua_config default_cfg;
+ pjsua_media_config default_media_cfg;
+ const pj_str_t STR_OPTIONS = { "OPTIONS", 7 };
+ pjsip_ua_init_param ua_init_param;
+ unsigned i;
+ pj_status_t status;
+
+ pj_log_push_indent();
+
+ /* Create default configurations when the config is not supplied */
+
+ if (ua_cfg == NULL) {
+ pjsua_config_default(&default_cfg);
+ ua_cfg = &default_cfg;
+ }
+
+ if (media_cfg == NULL) {
+ pjsua_media_config_default(&default_media_cfg);
+ media_cfg = &default_media_cfg;
+ }
+
+ /* Initialize logging first so that info/errors can be captured */
+ if (log_cfg) {
+ status = pjsua_reconfigure_logging(log_cfg);
+ if (status != PJ_SUCCESS)
+ goto on_error;
+ }
+
+#if defined(PJ_IPHONE_OS_HAS_MULTITASKING_SUPPORT) && \
+ PJ_IPHONE_OS_HAS_MULTITASKING_SUPPORT != 0
+ if (!(pj_get_sys_info()->flags & PJ_SYS_HAS_IOS_BG)) {
+ PJ_LOG(5, (THIS_FILE, "Device does not support "
+ "background mode"));
+ pj_activesock_enable_iphone_os_bg(PJ_FALSE);
+ }
+#endif
+
+ /* If nameserver is configured, create DNS resolver instance and
+ * set it to be used by SIP resolver.
+ */
+ if (ua_cfg->nameserver_count) {
+#if PJSIP_HAS_RESOLVER
+ unsigned i;
+
+ /* Create DNS resolver */
+ status = pjsip_endpt_create_resolver(pjsua_var.endpt,
+ &pjsua_var.resolver);
+ if (status != PJ_SUCCESS) {
+ pjsua_perror(THIS_FILE, "Error creating resolver", status);
+ goto on_error;
+ }
+
+ /* Configure nameserver for the DNS resolver */
+ status = pj_dns_resolver_set_ns(pjsua_var.resolver,
+ ua_cfg->nameserver_count,
+ ua_cfg->nameserver, NULL);
+ if (status != PJ_SUCCESS) {
+ pjsua_perror(THIS_FILE, "Error setting nameserver", status);
+ goto on_error;
+ }
+
+ /* Set this DNS resolver to be used by the SIP resolver */
+ status = pjsip_endpt_set_resolver(pjsua_var.endpt, pjsua_var.resolver);
+ if (status != PJ_SUCCESS) {
+ pjsua_perror(THIS_FILE, "Error setting DNS resolver", status);
+ goto on_error;
+ }
+
+ /* Print nameservers */
+ for (i=0; i<ua_cfg->nameserver_count; ++i) {
+ PJ_LOG(4,(THIS_FILE, "Nameserver %.*s added",
+ (int)ua_cfg->nameserver[i].slen,
+ ua_cfg->nameserver[i].ptr));
+ }
+#else
+ PJ_LOG(2,(THIS_FILE,
+ "DNS resolver is disabled (PJSIP_HAS_RESOLVER==0)"));
+#endif
+ }
+
+ /* Init SIP UA: */
+
+ /* Initialize transaction layer: */
+ status = pjsip_tsx_layer_init_module(pjsua_var.endpt);
+ PJ_ASSERT_RETURN(status == PJ_SUCCESS, status);
+
+
+ /* Initialize UA layer module: */
+ pj_bzero(&ua_init_param, sizeof(ua_init_param));
+ if (ua_cfg->hangup_forked_call) {
+ ua_init_param.on_dlg_forked = &on_dlg_forked;
+ }
+ status = pjsip_ua_init_module( pjsua_var.endpt, &ua_init_param);
+ PJ_ASSERT_RETURN(status == PJ_SUCCESS, status);
+
+
+ /* Initialize Replaces support. */
+ status = pjsip_replaces_init_module( pjsua_var.endpt );
+ PJ_ASSERT_RETURN(status == PJ_SUCCESS, status);
+
+ /* Initialize 100rel support */
+ status = pjsip_100rel_init_module(pjsua_var.endpt);
+ PJ_ASSERT_RETURN(status == PJ_SUCCESS, status);
+
+ /* Initialize session timer support */
+ status = pjsip_timer_init_module(pjsua_var.endpt);
+ PJ_ASSERT_RETURN(status == PJ_SUCCESS, status);
+
+ /* Initialize and register PJSUA application module. */
+ {
+ const pjsip_module mod_initializer =
+ {
+ NULL, NULL, /* prev, next. */
+ { "mod-pjsua", 9 }, /* Name. */
+ -1, /* Id */
+ PJSIP_MOD_PRIORITY_APPLICATION, /* Priority */
+ NULL, /* load() */
+ NULL, /* start() */
+ NULL, /* stop() */
+ NULL, /* unload() */
+ &mod_pjsua_on_rx_request, /* on_rx_request() */
+ &mod_pjsua_on_rx_response, /* on_rx_response() */
+ NULL, /* on_tx_request. */
+ NULL, /* on_tx_response() */
+ NULL, /* on_tsx_state() */
+ };
+
+ pjsua_var.mod = mod_initializer;
+
+ status = pjsip_endpt_register_module(pjsua_var.endpt, &pjsua_var.mod);
+ PJ_ASSERT_RETURN(status == PJ_SUCCESS, status);
+ }
+
+ /* Parse outbound proxies */
+ for (i=0; i<ua_cfg->outbound_proxy_cnt; ++i) {
+ pj_str_t tmp;
+ pj_str_t hname = { "Route", 5};
+ pjsip_route_hdr *r;
+
+ pj_strdup_with_null(pjsua_var.pool, &tmp, &ua_cfg->outbound_proxy[i]);
+
+ r = (pjsip_route_hdr*)
+ pjsip_parse_hdr(pjsua_var.pool, &hname, tmp.ptr,
+ (unsigned)tmp.slen, NULL);
+ if (r == NULL) {
+ pjsua_perror(THIS_FILE, "Invalid outbound proxy URI",
+ PJSIP_EINVALIDURI);
+ status = PJSIP_EINVALIDURI;
+ goto on_error;
+ }
+
+ if (pjsua_var.ua_cfg.force_lr) {
+ pjsip_sip_uri *sip_url;
+ if (!PJSIP_URI_SCHEME_IS_SIP(r->name_addr.uri) &&
+ !PJSIP_URI_SCHEME_IS_SIPS(r->name_addr.uri))
+ {
+ status = PJSIP_EINVALIDSCHEME;
+ goto on_error;
+ }
+ sip_url = (pjsip_sip_uri*)r->name_addr.uri;
+ sip_url->lr_param = 1;
+ }
+
+ pj_list_push_back(&pjsua_var.outbound_proxy, r);
+ }
+
+
+ /* Initialize PJSUA call subsystem: */
+ status = pjsua_call_subsys_init(ua_cfg);
+ if (status != PJ_SUCCESS)
+ goto on_error;
+
+ /* Convert deprecated STUN settings */
+ if (pjsua_var.ua_cfg.stun_srv_cnt==0) {
+ if (pjsua_var.ua_cfg.stun_domain.slen) {
+ pjsua_var.ua_cfg.stun_srv[pjsua_var.ua_cfg.stun_srv_cnt++] =
+ pjsua_var.ua_cfg.stun_domain;
+ }
+ if (pjsua_var.ua_cfg.stun_host.slen) {
+ pjsua_var.ua_cfg.stun_srv[pjsua_var.ua_cfg.stun_srv_cnt++] =
+ pjsua_var.ua_cfg.stun_host;
+ }
+ }
+
+ /* Start resolving STUN server */
+ status = resolve_stun_server(PJ_FALSE);
+ if (status != PJ_SUCCESS && status != PJ_EPENDING) {
+ pjsua_perror(THIS_FILE, "Error resolving STUN server", status);
+ goto on_error;
+ }
+
+ /* Initialize PJSUA media subsystem */
+ status = pjsua_media_subsys_init(media_cfg);
+ if (status != PJ_SUCCESS)
+ goto on_error;
+
+
+ /* Init core SIMPLE module : */
+ status = pjsip_evsub_init_module(pjsua_var.endpt);
+ PJ_ASSERT_RETURN(status == PJ_SUCCESS, status);
+
+
+ /* Init presence module: */
+ status = pjsip_pres_init_module( pjsua_var.endpt, pjsip_evsub_instance());
+ PJ_ASSERT_RETURN(status == PJ_SUCCESS, status);
+
+ /* Initialize MWI support */
+ status = pjsip_mwi_init_module(pjsua_var.endpt, pjsip_evsub_instance());
+
+ /* Init PUBLISH module */
+ pjsip_publishc_init_module(pjsua_var.endpt);
+
+ /* Init xfer/REFER module */
+ status = pjsip_xfer_init_module( pjsua_var.endpt );
+ PJ_ASSERT_RETURN(status == PJ_SUCCESS, status);
+
+ /* Init pjsua presence handler: */
+ status = pjsua_pres_init();
+ if (status != PJ_SUCCESS)
+ goto on_error;
+
+ /* Init out-of-dialog MESSAGE request handler. */
+ status = pjsua_im_init();
+ if (status != PJ_SUCCESS)
+ goto on_error;
+
+ /* Register OPTIONS handler */
+ pjsip_endpt_register_module(pjsua_var.endpt, &pjsua_options_handler);
+
+ /* Add OPTIONS in Allow header */
+ pjsip_endpt_add_capability(pjsua_var.endpt, NULL, PJSIP_H_ALLOW,
+ NULL, 1, &STR_OPTIONS);
+
+ /* Start worker thread if needed. */
+ if (pjsua_var.ua_cfg.thread_cnt) {
+ unsigned i;
+
+ if (pjsua_var.ua_cfg.thread_cnt > PJ_ARRAY_SIZE(pjsua_var.thread))
+ pjsua_var.ua_cfg.thread_cnt = PJ_ARRAY_SIZE(pjsua_var.thread);
+
+ for (i=0; i<pjsua_var.ua_cfg.thread_cnt; ++i) {
+ status = pj_thread_create(pjsua_var.pool, "pjsua", &worker_thread,
+ NULL, 0, 0, &pjsua_var.thread[i]);
+ if (status != PJ_SUCCESS)
+ goto on_error;
+ }
+ PJ_LOG(4,(THIS_FILE, "%d SIP worker threads created",
+ pjsua_var.ua_cfg.thread_cnt));
+ } else {
+ PJ_LOG(4,(THIS_FILE, "No SIP worker threads created"));
+ }
+
+ /* Done! */
+
+ PJ_LOG(3,(THIS_FILE, "pjsua version %s for %s initialized",
+ pj_get_version(), pj_get_sys_info()->info.ptr));
+
+ pjsua_set_state(PJSUA_STATE_INIT);
+ pj_log_pop_indent();
+ return PJ_SUCCESS;
+
+on_error:
+ pjsua_destroy();
+ pj_log_pop_indent();
+ return status;
+}
+
+
+/* Sleep with polling */
+static void busy_sleep(unsigned msec)
+{
+ pj_time_val timeout, now;
+
+ pj_gettickcount(&timeout);
+ timeout.msec += msec;
+ pj_time_val_normalize(&timeout);
+
+ do {
+ int i;
+ i = msec / 10;
+ while (pjsua_handle_events(10) > 0 && i > 0)
+ --i;
+ pj_gettickcount(&now);
+ } while (PJ_TIME_VAL_LT(now, timeout));
+}
+
+static void stun_resolve_add_ref(pjsua_stun_resolve *sess)
+{
+ ++sess->ref_cnt;
+}
+
+static void destroy_stun_resolve(pjsua_stun_resolve *sess)
+{
+ sess->destroy_flag = PJ_TRUE;
+ if (sess->ref_cnt > 0)
+ return;
+
+ PJSUA_LOCK();
+ pj_list_erase(sess);
+ PJSUA_UNLOCK();
+
+ pj_assert(sess->stun_sock==NULL);
+ pj_pool_release(sess->pool);
+}
+
+static void stun_resolve_dec_ref(pjsua_stun_resolve *sess)
+{
+ --sess->ref_cnt;
+ if (sess->ref_cnt <= 0 && sess->destroy_flag)
+ destroy_stun_resolve(sess);
+}
+
+
+/* This is the internal function to be called when STUN resolution
+ * session (pj_stun_resolve) has completed.
+ */
+static void stun_resolve_complete(pjsua_stun_resolve *sess)
+{
+ pj_stun_resolve_result result;
+
+ if (sess->has_result)
+ goto on_return;
+
+ pj_bzero(&result, sizeof(result));
+ result.token = sess->token;
+ result.status = sess->status;
+ result.name = sess->srv[sess->idx];
+ pj_memcpy(&result.addr, &sess->addr, sizeof(result.addr));
+ sess->has_result = PJ_TRUE;
+
+ if (result.status == PJ_SUCCESS) {
+ char addr[PJ_INET6_ADDRSTRLEN+10];
+ pj_sockaddr_print(&result.addr, addr, sizeof(addr), 3);
+ PJ_LOG(4,(THIS_FILE,
+ "STUN resolution success, using %.*s, address is %s",
+ (int)sess->srv[sess->idx].slen,
+ sess->srv[sess->idx].ptr,
+ addr));
+ } else {
+ char errmsg[PJ_ERR_MSG_SIZE];
+ pj_strerror(result.status, errmsg, sizeof(errmsg));
+ PJ_LOG(1,(THIS_FILE, "STUN resolution failed: %s", errmsg));
+ }
+
+ stun_resolve_add_ref(sess);
+ sess->cb(&result);
+ stun_resolve_dec_ref(sess);
+
+on_return:
+ if (!sess->blocking) {
+ destroy_stun_resolve(sess);
+ }
+}
+
+/* This is the callback called by the STUN socket (pj_stun_sock)
+ * to report it's state. We use this as part of testing the
+ * STUN server.
+ */
+static pj_bool_t test_stun_on_status(pj_stun_sock *stun_sock,
+ pj_stun_sock_op op,
+ pj_status_t status)
+{
+ pjsua_stun_resolve *sess;
+
+ sess = (pjsua_stun_resolve*) pj_stun_sock_get_user_data(stun_sock);
+ pj_assert(stun_sock == sess->stun_sock);
+
+ if (status != PJ_SUCCESS) {
+ char errmsg[PJ_ERR_MSG_SIZE];
+ pj_strerror(status, errmsg, sizeof(errmsg));
+
+ PJ_LOG(4,(THIS_FILE, "STUN resolution for %.*s failed: %s",
+ (int)sess->srv[sess->idx].slen,
+ sess->srv[sess->idx].ptr, errmsg));
+
+ sess->status = status;
+
+ pj_stun_sock_destroy(stun_sock);
+ sess->stun_sock = NULL;
+
+ ++sess->idx;
+ resolve_stun_entry(sess);
+
+ return PJ_FALSE;
+
+ } else if (op == PJ_STUN_SOCK_BINDING_OP) {
+ pj_stun_sock_info ssi;
+
+ pj_stun_sock_get_info(stun_sock, &ssi);
+ pj_memcpy(&sess->addr, &ssi.srv_addr, sizeof(sess->addr));
+
+ sess->status = PJ_SUCCESS;
+ pj_stun_sock_destroy(stun_sock);
+ sess->stun_sock = NULL;
+
+ stun_resolve_complete(sess);
+
+ return PJ_FALSE;
+
+ } else
+ return PJ_TRUE;
+
+}
+
+/* This is an internal function to resolve and test current
+ * server entry in pj_stun_resolve session. It is called by
+ * pjsua_resolve_stun_servers() and test_stun_on_status() above
+ */
+static void resolve_stun_entry(pjsua_stun_resolve *sess)
+{
+ stun_resolve_add_ref(sess);
+
+ /* Loop while we have entry to try */
+ for (; sess->idx < sess->count; ++sess->idx) {
+ const int af = pj_AF_INET();
+ char target[64];
+ pj_str_t hostpart;
+ pj_uint16_t port;
+ pj_stun_sock_cb stun_sock_cb;
+
+ pj_assert(sess->idx < sess->count);
+
+ pj_ansi_snprintf(target, sizeof(target), "%.*s",
+ (int)sess->srv[sess->idx].slen,
+ sess->srv[sess->idx].ptr);
+
+ /* Parse the server entry into host:port */
+ sess->status = pj_sockaddr_parse2(af, 0, &sess->srv[sess->idx],
+ &hostpart, &port, NULL);
+ if (sess->status != PJ_SUCCESS) {
+ PJ_LOG(2,(THIS_FILE, "Invalid STUN server entry %s", target));
+ continue;
+ }
+
+ /* Use default port if not specified */
+ if (port == 0)
+ port = PJ_STUN_PORT;
+
+ pj_assert(sess->stun_sock == NULL);
+
+ PJ_LOG(4,(THIS_FILE, "Trying STUN server %s (%d of %d)..",
+ target, sess->idx+1, sess->count));
+
+ /* Use STUN_sock to test this entry */
+ pj_bzero(&stun_sock_cb, sizeof(stun_sock_cb));
+ stun_sock_cb.on_status = &test_stun_on_status;
+ sess->status = pj_stun_sock_create(&pjsua_var.stun_cfg, "stunresolve",
+ pj_AF_INET(), &stun_sock_cb,
+ NULL, sess, &sess->stun_sock);
+ if (sess->status != PJ_SUCCESS) {
+ char errmsg[PJ_ERR_MSG_SIZE];
+ pj_strerror(sess->status, errmsg, sizeof(errmsg));
+ PJ_LOG(4,(THIS_FILE,
+ "Error creating STUN socket for %s: %s",
+ target, errmsg));
+
+ continue;
+ }
+
+ sess->status = pj_stun_sock_start(sess->stun_sock, &hostpart,
+ port, pjsua_var.resolver);
+ if (sess->status != PJ_SUCCESS) {
+ char errmsg[PJ_ERR_MSG_SIZE];
+ pj_strerror(sess->status, errmsg, sizeof(errmsg));
+ PJ_LOG(4,(THIS_FILE,
+ "Error starting STUN socket for %s: %s",
+ target, errmsg));
+
+ if (sess->stun_sock) {
+ pj_stun_sock_destroy(sess->stun_sock);
+ sess->stun_sock = NULL;
+ }
+ continue;
+ }
+
+ /* Done for now, testing will resume/complete asynchronously in
+ * stun_sock_cb()
+ */
+ goto on_return;
+ }
+
+ if (sess->idx >= sess->count) {
+ /* No more entries to try */
+ PJ_ASSERT_ON_FAIL(sess->status != PJ_SUCCESS,
+ sess->status = PJ_EUNKNOWN);
+ stun_resolve_complete(sess);
+ }
+
+on_return:
+ stun_resolve_dec_ref(sess);
+}
+
+
+/*
+ * Resolve STUN server.
+ */
+PJ_DEF(pj_status_t) pjsua_resolve_stun_servers( unsigned count,
+ pj_str_t srv[],
+ pj_bool_t wait,
+ void *token,
+ pj_stun_resolve_cb cb)
+{
+ pj_pool_t *pool;
+ pjsua_stun_resolve *sess;
+ pj_status_t status;
+ unsigned i;
+
+ PJ_ASSERT_RETURN(count && srv && cb, PJ_EINVAL);
+
+ pool = pjsua_pool_create("stunres", 256, 256);
+ if (!pool)
+ return PJ_ENOMEM;
+
+ sess = PJ_POOL_ZALLOC_T(pool, pjsua_stun_resolve);
+ sess->pool = pool;
+ sess->token = token;
+ sess->cb = cb;
+ sess->count = count;
+ sess->blocking = wait;
+ sess->status = PJ_EPENDING;
+ sess->srv = (pj_str_t*) pj_pool_calloc(pool, count, sizeof(pj_str_t));
+ for (i=0; i<count; ++i) {
+ pj_strdup(pool, &sess->srv[i], &srv[i]);
+ }
+
+ PJSUA_LOCK();
+ pj_list_push_back(&pjsua_var.stun_res, sess);
+ PJSUA_UNLOCK();
+
+ resolve_stun_entry(sess);
+
+ if (!wait)
+ return PJ_SUCCESS;
+
+ while (sess->status == PJ_EPENDING) {
+ pjsua_handle_events(50);
+ }
+
+ status = sess->status;
+ destroy_stun_resolve(sess);
+
+ return status;
+}
+
+/*
+ * Cancel pending STUN resolution.
+ */
+PJ_DEF(pj_status_t) pjsua_cancel_stun_resolution( void *token,
+ pj_bool_t notify_cb)
+{
+ pjsua_stun_resolve *sess;
+ unsigned cancelled_count = 0;
+
+ PJSUA_LOCK();
+ sess = pjsua_var.stun_res.next;
+ while (sess != &pjsua_var.stun_res) {
+ pjsua_stun_resolve *next = sess->next;
+
+ if (sess->token == token) {
+ if (notify_cb) {
+ pj_stun_resolve_result result;
+
+ pj_bzero(&result, sizeof(result));
+ result.token = token;
+ result.status = PJ_ECANCELLED;
+
+ sess->cb(&result);
+ }
+
+ destroy_stun_resolve(sess);
+ ++cancelled_count;
+ }
+
+ sess = next;
+ }
+ PJSUA_UNLOCK();
+
+ return cancelled_count ? PJ_SUCCESS : PJ_ENOTFOUND;
+}
+
+static void internal_stun_resolve_cb(const pj_stun_resolve_result *result)
+{
+ pjsua_var.stun_status = result->status;
+ if (result->status == PJ_SUCCESS) {
+ pj_memcpy(&pjsua_var.stun_srv, &result->addr, sizeof(result->addr));
+ }
+}
+
+/*
+ * Resolve STUN server.
+ */
+pj_status_t resolve_stun_server(pj_bool_t wait)
+{
+ if (pjsua_var.stun_status == PJ_EUNKNOWN) {
+ pj_status_t status;
+
+ /* Initialize STUN configuration */
+ pj_stun_config_init(&pjsua_var.stun_cfg, &pjsua_var.cp.factory, 0,
+ pjsip_endpt_get_ioqueue(pjsua_var.endpt),
+ pjsip_endpt_get_timer_heap(pjsua_var.endpt));
+
+ /* Start STUN server resolution */
+ if (pjsua_var.ua_cfg.stun_srv_cnt) {
+ pjsua_var.stun_status = PJ_EPENDING;
+ status = pjsua_resolve_stun_servers(pjsua_var.ua_cfg.stun_srv_cnt,
+ pjsua_var.ua_cfg.stun_srv,
+ wait, NULL,
+ &internal_stun_resolve_cb);
+ if (wait || status != PJ_SUCCESS) {
+ pjsua_var.stun_status = status;
+ }
+ } else {
+ pjsua_var.stun_status = PJ_SUCCESS;
+ }
+
+ } else if (pjsua_var.stun_status == PJ_EPENDING) {
+ /* STUN server resolution has been started, wait for the
+ * result.
+ */
+ if (wait) {
+ while (pjsua_var.stun_status == PJ_EPENDING) {
+ if (pjsua_var.thread[0] == NULL)
+ pjsua_handle_events(10);
+ else
+ pj_thread_sleep(10);
+ }
+ }
+ }
+
+ if (pjsua_var.stun_status != PJ_EPENDING &&
+ pjsua_var.stun_status != PJ_SUCCESS &&
+ pjsua_var.ua_cfg.stun_ignore_failure)
+ {
+ PJ_LOG(2,(THIS_FILE,
+ "Ignoring STUN resolution failure (by setting)"));
+ pjsua_var.stun_status = PJ_SUCCESS;
+ }
+
+ return pjsua_var.stun_status;
+}
+
+/*
+ * Destroy pjsua.
+ */
+PJ_DEF(pj_status_t) pjsua_destroy2(unsigned flags)
+{
+ int i; /* Must be signed */
+
+ if (pjsua_var.endpt) {
+ PJ_LOG(4,(THIS_FILE, "Shutting down, flags=%d...", flags));
+ }
+
+ if (pjsua_var.state > PJSUA_STATE_NULL &&
+ pjsua_var.state < PJSUA_STATE_CLOSING)
+ {
+ pjsua_set_state(PJSUA_STATE_CLOSING);
+ }
+
+ /* Signal threads to quit: */
+ pjsua_var.thread_quit_flag = 1;
+
+ /* Wait worker threads to quit: */
+ for (i=0; i<(int)pjsua_var.ua_cfg.thread_cnt; ++i) {
+ if (pjsua_var.thread[i]) {
+ pj_status_t status;
+ status = pj_thread_join(pjsua_var.thread[i]);
+ if (status != PJ_SUCCESS) {
+ PJ_PERROR(4,(THIS_FILE, status, "Error joining worker thread"));
+ pj_thread_sleep(1000);
+ }
+ pj_thread_destroy(pjsua_var.thread[i]);
+ pjsua_var.thread[i] = NULL;
+ }
+ }
+
+ if (pjsua_var.endpt) {
+ unsigned max_wait;
+
+ pj_log_push_indent();
+
+ /* Terminate all calls. */
+ if ((flags & PJSUA_DESTROY_NO_TX_MSG) == 0) {
+ pjsua_call_hangup_all();
+ }
+
+ /* Set all accounts to offline */
+ for (i=0; i<(int)PJ_ARRAY_SIZE(pjsua_var.acc); ++i) {
+ if (!pjsua_var.acc[i].valid)
+ continue;
+ pjsua_var.acc[i].online_status = PJ_FALSE;
+ pj_bzero(&pjsua_var.acc[i].rpid, sizeof(pjrpid_element));
+ }
+
+ /* Terminate all presence subscriptions. */
+ pjsua_pres_shutdown(flags);
+
+ /* Destroy media (to shutdown media transports etc) */
+ pjsua_media_subsys_destroy(flags);
+
+ /* Wait for sometime until all publish client sessions are done
+ * (ticket #364)
+ */
+ /* First stage, get the maximum wait time */
+ max_wait = 100;
+ for (i=0; i<(int)PJ_ARRAY_SIZE(pjsua_var.acc); ++i) {
+ if (!pjsua_var.acc[i].valid)
+ continue;
+ if (pjsua_var.acc[i].cfg.unpublish_max_wait_time_msec > max_wait)
+ max_wait = pjsua_var.acc[i].cfg.unpublish_max_wait_time_msec;
+ }
+
+ /* No waiting if RX is disabled */
+ if (flags & PJSUA_DESTROY_NO_RX_MSG) {
+ max_wait = 0;
+ }
+
+ /* Second stage, wait for unpublications to complete */
+ for (i=0; i<(int)(max_wait/50); ++i) {
+ unsigned j;
+ for (j=0; j<PJ_ARRAY_SIZE(pjsua_var.acc); ++j) {
+ if (!pjsua_var.acc[j].valid)
+ continue;
+
+ if (pjsua_var.acc[j].publish_sess)
+ break;
+ }
+ if (j != PJ_ARRAY_SIZE(pjsua_var.acc))
+ busy_sleep(50);
+ else
+ break;
+ }
+
+ /* Third stage, forcefully destroy unfinished unpublications */
+ for (i=0; i<(int)PJ_ARRAY_SIZE(pjsua_var.acc); ++i) {
+ if (pjsua_var.acc[i].publish_sess) {
+ pjsip_publishc_destroy(pjsua_var.acc[i].publish_sess);
+ pjsua_var.acc[i].publish_sess = NULL;
+ }
+ }
+
+ /* Unregister all accounts */
+ for (i=0; i<(int)PJ_ARRAY_SIZE(pjsua_var.acc); ++i) {
+ if (!pjsua_var.acc[i].valid)
+ continue;
+
+ if (pjsua_var.acc[i].regc && (flags & PJSUA_DESTROY_NO_TX_MSG)==0)
+ {
+ pjsua_acc_set_registration(i, PJ_FALSE);
+ }
+ }
+
+ /* Terminate any pending STUN resolution */
+ if (!pj_list_empty(&pjsua_var.stun_res)) {
+ pjsua_stun_resolve *sess = pjsua_var.stun_res.next;
+ while (sess != &pjsua_var.stun_res) {
+ pjsua_stun_resolve *next = sess->next;
+ destroy_stun_resolve(sess);
+ sess = next;
+ }
+ }
+
+ /* Wait until all unregistrations are done (ticket #364) */
+ /* First stage, get the maximum wait time */
+ max_wait = 100;
+ for (i=0; i<(int)PJ_ARRAY_SIZE(pjsua_var.acc); ++i) {
+ if (!pjsua_var.acc[i].valid)
+ continue;
+ if (pjsua_var.acc[i].cfg.unreg_timeout > max_wait)
+ max_wait = pjsua_var.acc[i].cfg.unreg_timeout;
+ }
+
+ /* No waiting if RX is disabled */
+ if (flags & PJSUA_DESTROY_NO_RX_MSG) {
+ max_wait = 0;
+ }
+
+ /* Second stage, wait for unregistrations to complete */
+ for (i=0; i<(int)(max_wait/50); ++i) {
+ unsigned j;
+ for (j=0; j<PJ_ARRAY_SIZE(pjsua_var.acc); ++j) {
+ if (!pjsua_var.acc[j].valid)
+ continue;
+
+ if (pjsua_var.acc[j].regc)
+ break;
+ }
+ if (j != PJ_ARRAY_SIZE(pjsua_var.acc))
+ busy_sleep(50);
+ else
+ break;
+ }
+ /* Note variable 'i' is used below */
+
+ /* Wait for some time to allow unregistration and ICE/TURN
+ * transports shutdown to complete:
+ */
+ if (i < 20 && (flags & PJSUA_DESTROY_NO_RX_MSG) == 0) {
+ busy_sleep(1000 - i*50);
+ }
+
+ PJ_LOG(4,(THIS_FILE, "Destroying..."));
+
+ /* Must destroy endpoint first before destroying pools in
+ * buddies or accounts, since shutting down transaction layer
+ * may emit events which trigger some buddy or account callbacks
+ * to be called.
+ */
+ pjsip_endpt_destroy(pjsua_var.endpt);
+ pjsua_var.endpt = NULL;
+
+ /* Destroy pool in the buddy object */
+ for (i=0; i<(int)PJ_ARRAY_SIZE(pjsua_var.buddy); ++i) {
+ if (pjsua_var.buddy[i].pool) {
+ pj_pool_release(pjsua_var.buddy[i].pool);
+ pjsua_var.buddy[i].pool = NULL;
+ }
+ }
+
+ /* Destroy accounts */
+ for (i=0; i<(int)PJ_ARRAY_SIZE(pjsua_var.acc); ++i) {
+ if (pjsua_var.acc[i].pool) {
+ pj_pool_release(pjsua_var.acc[i].pool);
+ pjsua_var.acc[i].pool = NULL;
+ }
+ }
+ }
+
+ /* Destroy mutex */
+ if (pjsua_var.mutex) {
+ pj_mutex_destroy(pjsua_var.mutex);
+ pjsua_var.mutex = NULL;
+ }
+
+ if (pjsua_var.timer_mutex) {
+ pj_mutex_destroy(pjsua_var.timer_mutex);
+ pjsua_var.timer_mutex = NULL;
+ }
+
+ /* Destroy pool and pool factory. */
+ if (pjsua_var.pool) {
+ pj_pool_release(pjsua_var.pool);
+ pjsua_var.pool = NULL;
+ pj_caching_pool_destroy(&pjsua_var.cp);
+
+ pjsua_set_state(PJSUA_STATE_NULL);
+
+ PJ_LOG(4,(THIS_FILE, "PJSUA destroyed..."));
+
+ /* End logging */
+ if (pjsua_var.log_file) {
+ pj_file_close(pjsua_var.log_file);
+ pjsua_var.log_file = NULL;
+ }
+
+ pj_log_pop_indent();
+
+ /* Shutdown PJLIB */
+ pj_shutdown();
+ }
+
+ /* Clear pjsua_var */
+ pj_bzero(&pjsua_var, sizeof(pjsua_var));
+
+ /* Done. */
+ return PJ_SUCCESS;
+}
+
+void pjsua_set_state(pjsua_state new_state)
+{
+ const char *state_name[] = {
+ "NULL",
+ "CREATED",
+ "INIT",
+ "STARTING",
+ "RUNNING",
+ "CLOSING"
+ };
+ pjsua_state old_state = pjsua_var.state;
+
+ pjsua_var.state = new_state;
+ PJ_LOG(4,(THIS_FILE, "PJSUA state changed: %s --> %s",
+ state_name[old_state], state_name[new_state]));
+}
+
+/* Get state */
+PJ_DEF(pjsua_state) pjsua_get_state(void)
+{
+ return pjsua_var.state;
+}
+
+PJ_DEF(pj_status_t) pjsua_destroy(void)
+{
+ return pjsua_destroy2(0);
+}
+
+
+/**
+ * Application is recommended to call this function after all initialization
+ * is done, so that the library can do additional checking set up
+ * additional
+ *
+ * @return PJ_SUCCESS on success, or the appropriate error code.
+ */
+PJ_DEF(pj_status_t) pjsua_start(void)
+{
+ pj_status_t status;
+
+ pjsua_set_state(PJSUA_STATE_STARTING);
+ pj_log_push_indent();
+
+ status = pjsua_call_subsys_start();
+ if (status != PJ_SUCCESS)
+ goto on_return;
+
+ status = pjsua_media_subsys_start();
+ if (status != PJ_SUCCESS)
+ goto on_return;
+
+ status = pjsua_pres_start();
+ if (status != PJ_SUCCESS)
+ goto on_return;
+
+ pjsua_set_state(PJSUA_STATE_RUNNING);
+
+on_return:
+ pj_log_pop_indent();
+ return status;
+}
+
+
+/**
+ * Poll pjsua for events, and if necessary block the caller thread for
+ * the specified maximum interval (in miliseconds).
+ */
+PJ_DEF(int) pjsua_handle_events(unsigned msec_timeout)
+{
+#if defined(PJ_SYMBIAN) && PJ_SYMBIAN != 0
+
+ return pj_symbianos_poll(-1, msec_timeout);
+
+#else
+
+ unsigned count = 0;
+ pj_time_val tv;
+ pj_status_t status;
+
+ tv.sec = 0;
+ tv.msec = msec_timeout;
+ pj_time_val_normalize(&tv);
+
+ status = pjsip_endpt_handle_events2(pjsua_var.endpt, &tv, &count);
+
+ if (status != PJ_SUCCESS)
+ return -status;
+
+ return count;
+
+#endif
+}
+
+
+/*
+ * Create memory pool.
+ */
+PJ_DEF(pj_pool_t*) pjsua_pool_create( const char *name, pj_size_t init_size,
+ pj_size_t increment)
+{
+ /* Pool factory is thread safe, no need to lock */
+ return pj_pool_create(&pjsua_var.cp.factory, name, init_size, increment,
+ NULL);
+}
+
+
+/*
+ * Internal function to get SIP endpoint instance of pjsua, which is
+ * needed for example to register module, create transports, etc.
+ * Probably is only valid after #pjsua_init() is called.
+ */
+PJ_DEF(pjsip_endpoint*) pjsua_get_pjsip_endpt(void)
+{
+ return pjsua_var.endpt;
+}
+
+/*
+ * Internal function to get media endpoint instance.
+ * Only valid after #pjsua_init() is called.
+ */
+PJ_DEF(pjmedia_endpt*) pjsua_get_pjmedia_endpt(void)
+{
+ return pjsua_var.med_endpt;
+}
+
+/*
+ * Internal function to get PJSUA pool factory.
+ */
+PJ_DEF(pj_pool_factory*) pjsua_get_pool_factory(void)
+{
+ return &pjsua_var.cp.factory;
+}
+
+/*****************************************************************************
+ * PJSUA SIP Transport API.
+ */
+
+/*
+ * Tools to get address string.
+ */
+static const char *addr_string(const pj_sockaddr_t *addr)
+{
+ static char str[128];
+ str[0] = '\0';
+ pj_inet_ntop(((const pj_sockaddr*)addr)->addr.sa_family,
+ pj_sockaddr_get_addr(addr),
+ str, sizeof(str));
+ return str;
+}
+
+void pjsua_acc_on_tp_state_changed(pjsip_transport *tp,
+ pjsip_transport_state state,
+ const pjsip_transport_state_info *info);
+
+/* Callback to receive transport state notifications */
+static void on_tp_state_callback(pjsip_transport *tp,
+ pjsip_transport_state state,
+ const pjsip_transport_state_info *info)
+{
+ if (pjsua_var.ua_cfg.cb.on_transport_state) {
+ (*pjsua_var.ua_cfg.cb.on_transport_state)(tp, state, info);
+ }
+ if (pjsua_var.old_tp_cb) {
+ (*pjsua_var.old_tp_cb)(tp, state, info);
+ }
+ pjsua_acc_on_tp_state_changed(tp, state, info);
+}
+
+/*
+ * Create and initialize SIP socket (and possibly resolve public
+ * address via STUN, depending on config).
+ */
+static pj_status_t create_sip_udp_sock(int af,
+ const pjsua_transport_config *cfg,
+ pj_sock_t *p_sock,
+ pj_sockaddr *p_pub_addr)
+{
+ char stun_ip_addr[PJ_INET6_ADDRSTRLEN];
+ unsigned port = cfg->port;
+ pj_str_t stun_srv;
+ pj_sock_t sock;
+ pj_sockaddr bind_addr;
+ pj_status_t status;
+
+ /* Make sure STUN server resolution has completed */
+ status = resolve_stun_server(PJ_TRUE);
+ if (status != PJ_SUCCESS) {
+ pjsua_perror(THIS_FILE, "Error resolving STUN server", status);
+ return status;
+ }
+
+ /* Initialize bound address */
+ if (cfg->bound_addr.slen) {
+ status = pj_sockaddr_init(af, &bind_addr, &cfg->bound_addr,
+ (pj_uint16_t)port);
+ if (status != PJ_SUCCESS) {
+ pjsua_perror(THIS_FILE,
+ "Unable to resolve transport bound address",
+ status);
+ return status;
+ }
+ } else {
+ pj_sockaddr_init(af, &bind_addr, NULL, (pj_uint16_t)port);
+ }
+
+ /* Create socket */
+ status = pj_sock_socket(af, pj_SOCK_DGRAM(), 0, &sock);
+ if (status != PJ_SUCCESS) {
+ pjsua_perror(THIS_FILE, "socket() error", status);
+ return status;
+ }
+
+ /* Apply QoS, if specified */
+ status = pj_sock_apply_qos2(sock, cfg->qos_type,
+ &cfg->qos_params,
+ 2, THIS_FILE, "SIP UDP socket");
+
+ /* Bind socket */
+ status = pj_sock_bind(sock, &bind_addr, pj_sockaddr_get_len(&bind_addr));
+ if (status != PJ_SUCCESS) {
+ pjsua_perror(THIS_FILE, "bind() error", status);
+ pj_sock_close(sock);
+ return status;
+ }
+
+ /* If port is zero, get the bound port */
+ if (port == 0) {
+ pj_sockaddr bound_addr;
+ int namelen = sizeof(bound_addr);
+ status = pj_sock_getsockname(sock, &bound_addr, &namelen);
+ if (status != PJ_SUCCESS) {
+ pjsua_perror(THIS_FILE, "getsockname() error", status);
+ pj_sock_close(sock);
+ return status;
+ }
+
+ port = pj_sockaddr_get_port(&bound_addr);
+ }
+
+ if (pjsua_var.stun_srv.addr.sa_family != 0) {
+ pj_ansi_strcpy(stun_ip_addr,pj_inet_ntoa(pjsua_var.stun_srv.ipv4.sin_addr));
+ stun_srv = pj_str(stun_ip_addr);
+ } else {
+ stun_srv.slen = 0;
+ }
+
+ /* Get the published address, either by STUN or by resolving
+ * the name of local host.
+ */
+ if (pj_sockaddr_has_addr(p_pub_addr)) {
+ /*
+ * Public address is already specified, no need to resolve the
+ * address, only set the port.
+ */
+ if (pj_sockaddr_get_port(p_pub_addr) == 0)
+ pj_sockaddr_set_port(p_pub_addr, (pj_uint16_t)port);
+
+ } else if (stun_srv.slen) {
+ pjstun_setting stun_opt;
+
+ /*
+ * STUN is specified, resolve the address with STUN.
+ */
+ if (af != pj_AF_INET()) {
+ pjsua_perror(THIS_FILE, "Cannot use STUN", PJ_EAFNOTSUP);
+ pj_sock_close(sock);
+ return PJ_EAFNOTSUP;
+ }
+
+ pj_bzero(&stun_opt, sizeof(stun_opt));
+ stun_opt.use_stun2 = pjsua_var.ua_cfg.stun_map_use_stun2;
+ stun_opt.srv1 = stun_opt.srv2 = stun_srv;
+ stun_opt.port1 = stun_opt.port2 =
+ pj_ntohs(pjsua_var.stun_srv.ipv4.sin_port);
+ status = pjstun_get_mapped_addr2(&pjsua_var.cp.factory, &stun_opt,
+ 1, &sock, &p_pub_addr->ipv4);
+ if (status != PJ_SUCCESS) {
+ pjsua_perror(THIS_FILE, "Error contacting STUN server", status);
+ pj_sock_close(sock);
+ return status;
+ }
+
+ } else {
+ pj_bzero(p_pub_addr, sizeof(pj_sockaddr));
+
+ if (pj_sockaddr_has_addr(&bind_addr)) {
+ pj_sockaddr_copy_addr(p_pub_addr, &bind_addr);
+ } else {
+ status = pj_gethostip(af, p_pub_addr);
+ if (status != PJ_SUCCESS) {
+ pjsua_perror(THIS_FILE, "Unable to get local host IP", status);
+ pj_sock_close(sock);
+ return status;
+ }
+ }
+
+ p_pub_addr->addr.sa_family = (pj_uint16_t)af;
+ pj_sockaddr_set_port(p_pub_addr, (pj_uint16_t)port);
+ }
+
+ *p_sock = sock;
+
+ PJ_LOG(4,(THIS_FILE, "SIP UDP socket reachable at %s:%d",
+ addr_string(p_pub_addr),
+ (int)pj_sockaddr_get_port(p_pub_addr)));
+
+ return PJ_SUCCESS;
+}
+
+
+/*
+ * Create SIP transport.
+ */
+PJ_DEF(pj_status_t) pjsua_transport_create( pjsip_transport_type_e type,
+ const pjsua_transport_config *cfg,
+ pjsua_transport_id *p_id)
+{
+ pjsip_transport *tp;
+ unsigned id;
+ pj_status_t status;
+
+ PJSUA_LOCK();
+
+ /* Find empty transport slot */
+ for (id=0; id < PJ_ARRAY_SIZE(pjsua_var.tpdata); ++id) {
+ if (pjsua_var.tpdata[id].data.ptr == NULL)
+ break;
+ }
+
+ if (id == PJ_ARRAY_SIZE(pjsua_var.tpdata)) {
+ status = PJ_ETOOMANY;
+ pjsua_perror(THIS_FILE, "Error creating transport", status);
+ goto on_return;
+ }
+
+ /* Create the transport */
+ if (type==PJSIP_TRANSPORT_UDP || type==PJSIP_TRANSPORT_UDP6) {
+ /*
+ * Create UDP transport (IPv4 or IPv6).
+ */
+ pjsua_transport_config config;
+ char hostbuf[PJ_INET6_ADDRSTRLEN];
+ pj_sock_t sock = PJ_INVALID_SOCKET;
+ pj_sockaddr pub_addr;
+ pjsip_host_port addr_name;
+
+ /* Supply default config if it's not specified */
+ if (cfg == NULL) {
+ pjsua_transport_config_default(&config);
+ cfg = &config;
+ }
+
+ /* Initialize the public address from the config, if any */
+ pj_sockaddr_init(pjsip_transport_type_get_af(type), &pub_addr,
+ NULL, (pj_uint16_t)cfg->port);
+ if (cfg->public_addr.slen) {
+ status = pj_sockaddr_set_str_addr(pjsip_transport_type_get_af(type),
+ &pub_addr, &cfg->public_addr);
+ if (status != PJ_SUCCESS) {
+ pjsua_perror(THIS_FILE,
+ "Unable to resolve transport public address",
+ status);
+ goto on_return;
+ }
+ }
+
+ /* Create the socket and possibly resolve the address with STUN
+ * (only when public address is not specified).
+ */
+ status = create_sip_udp_sock(pjsip_transport_type_get_af(type),
+ cfg, &sock, &pub_addr);
+ if (status != PJ_SUCCESS)
+ goto on_return;
+
+ pj_ansi_strcpy(hostbuf, addr_string(&pub_addr));
+ addr_name.host = pj_str(hostbuf);
+ addr_name.port = pj_sockaddr_get_port(&pub_addr);
+
+ /* Create UDP transport */
+ status = pjsip_udp_transport_attach2(pjsua_var.endpt, type, sock,
+ &addr_name, 1, &tp);
+ if (status != PJ_SUCCESS) {
+ pjsua_perror(THIS_FILE, "Error creating SIP UDP transport",
+ status);
+ pj_sock_close(sock);
+ goto on_return;
+ }
+
+
+ /* Save the transport */
+ pjsua_var.tpdata[id].type = type;
+ pjsua_var.tpdata[id].local_name = tp->local_name;
+ pjsua_var.tpdata[id].data.tp = tp;
+
+#if defined(PJ_HAS_TCP) && PJ_HAS_TCP!=0
+
+ } else if (type == PJSIP_TRANSPORT_TCP || type == PJSIP_TRANSPORT_TCP6) {
+ /*
+ * Create TCP transport.
+ */
+ pjsua_transport_config config;
+ pjsip_tpfactory *tcp;
+ pjsip_tcp_transport_cfg tcp_cfg;
+ int af;
+
+ af = (type==PJSIP_TRANSPORT_TCP6) ? pj_AF_INET6() : pj_AF_INET();
+ pjsip_tcp_transport_cfg_default(&tcp_cfg, af);
+
+ /* Supply default config if it's not specified */
+ if (cfg == NULL) {
+ pjsua_transport_config_default(&config);
+ cfg = &config;
+ }
+
+ /* Configure bind address */
+ if (cfg->port)
+ pj_sockaddr_set_port(&tcp_cfg.bind_addr, (pj_uint16_t)cfg->port);
+
+ if (cfg->bound_addr.slen) {
+ status = pj_sockaddr_set_str_addr(tcp_cfg.af,
+ &tcp_cfg.bind_addr,
+ &cfg->bound_addr);
+ if (status != PJ_SUCCESS) {
+ pjsua_perror(THIS_FILE,
+ "Unable to resolve transport bound address",
+ status);
+ goto on_return;
+ }
+ }
+
+ /* Set published name */
+ if (cfg->public_addr.slen)
+ tcp_cfg.addr_name.host = cfg->public_addr;
+
+ /* Copy the QoS settings */
+ tcp_cfg.qos_type = cfg->qos_type;
+ pj_memcpy(&tcp_cfg.qos_params, &cfg->qos_params,
+ sizeof(cfg->qos_params));
+
+ /* Create the TCP transport */
+ status = pjsip_tcp_transport_start3(pjsua_var.endpt, &tcp_cfg, &tcp);
+
+ if (status != PJ_SUCCESS) {
+ pjsua_perror(THIS_FILE, "Error creating SIP TCP listener",
+ status);
+ goto on_return;
+ }
+
+ /* Save the transport */
+ pjsua_var.tpdata[id].type = type;
+ pjsua_var.tpdata[id].local_name = tcp->addr_name;
+ pjsua_var.tpdata[id].data.factory = tcp;
+
+#endif /* PJ_HAS_TCP */
+
+#if defined(PJSIP_HAS_TLS_TRANSPORT) && PJSIP_HAS_TLS_TRANSPORT!=0
+ } else if (type == PJSIP_TRANSPORT_TLS || type == PJSIP_TRANSPORT_TLS6) {
+ /*
+ * Create TLS transport.
+ */
+ pjsua_transport_config config;
+ pjsip_host_port a_name;
+ pjsip_tpfactory *tls;
+ pj_sockaddr local_addr;
+ int af;
+
+ /* Supply default config if it's not specified */
+ if (cfg == NULL) {
+ pjsua_transport_config_default(&config);
+ config.port = 5061;
+ cfg = &config;
+ }
+
+ /* Init local address */
+ af = (type==PJSIP_TRANSPORT_TLS) ? pj_AF_INET() : pj_AF_INET6();
+ pj_sockaddr_init(af, &local_addr, NULL, 0);
+
+ if (cfg->port)
+ pj_sockaddr_set_port(&local_addr, (pj_uint16_t)cfg->port);
+
+ if (cfg->bound_addr.slen) {
+ status = pj_sockaddr_set_str_addr(af, &local_addr,
+ &cfg->bound_addr);
+ if (status != PJ_SUCCESS) {
+ pjsua_perror(THIS_FILE,
+ "Unable to resolve transport bound address",
+ status);
+ goto on_return;
+ }
+ }
+
+ /* Init published name */
+ pj_bzero(&a_name, sizeof(pjsip_host_port));
+ if (cfg->public_addr.slen)
+ a_name.host = cfg->public_addr;
+
+ status = pjsip_tls_transport_start2(pjsua_var.endpt,
+ &cfg->tls_setting,
+ &local_addr, &a_name, 1, &tls);
+ if (status != PJ_SUCCESS) {
+ pjsua_perror(THIS_FILE, "Error creating SIP TLS listener",
+ status);
+ goto on_return;
+ }
+
+ /* Save the transport */
+ pjsua_var.tpdata[id].type = type;
+ pjsua_var.tpdata[id].local_name = tls->addr_name;
+ pjsua_var.tpdata[id].data.factory = tls;
+#endif
+
+ } else {
+ status = PJSIP_EUNSUPTRANSPORT;
+ pjsua_perror(THIS_FILE, "Error creating transport", status);
+ goto on_return;
+ }
+
+ /* Set transport state callback */
+ {
+ pjsip_tp_state_callback tpcb;
+ pjsip_tpmgr *tpmgr;
+
+ tpmgr = pjsip_endpt_get_tpmgr(pjsua_var.endpt);
+ tpcb = pjsip_tpmgr_get_state_cb(tpmgr);
+
+ if (tpcb != &on_tp_state_callback) {
+ pjsua_var.old_tp_cb = tpcb;
+ pjsip_tpmgr_set_state_cb(tpmgr, &on_tp_state_callback);
+ }
+ }
+
+ /* Return the ID */
+ if (p_id) *p_id = id;
+
+ status = PJ_SUCCESS;
+
+on_return:
+
+ PJSUA_UNLOCK();
+
+ return status;
+}
+
+
+/*
+ * Register transport that has been created by application.
+ */
+PJ_DEF(pj_status_t) pjsua_transport_register( pjsip_transport *tp,
+ pjsua_transport_id *p_id)
+{
+ unsigned id;
+
+ PJSUA_LOCK();
+
+ /* Find empty transport slot */
+ for (id=0; id < PJ_ARRAY_SIZE(pjsua_var.tpdata); ++id) {
+ if (pjsua_var.tpdata[id].data.ptr == NULL)
+ break;
+ }
+
+ if (id == PJ_ARRAY_SIZE(pjsua_var.tpdata)) {
+ pjsua_perror(THIS_FILE, "Error creating transport", PJ_ETOOMANY);
+ PJSUA_UNLOCK();
+ return PJ_ETOOMANY;
+ }
+
+ /* Save the transport */
+ pjsua_var.tpdata[id].type = (pjsip_transport_type_e) tp->key.type;
+ pjsua_var.tpdata[id].local_name = tp->local_name;
+ pjsua_var.tpdata[id].data.tp = tp;
+
+ /* Return the ID */
+ if (p_id) *p_id = id;
+
+ PJSUA_UNLOCK();
+
+ return PJ_SUCCESS;
+}
+
+
+/*
+ * Enumerate all transports currently created in the system.
+ */
+PJ_DEF(pj_status_t) pjsua_enum_transports( pjsua_transport_id id[],
+ unsigned *p_count )
+{
+ unsigned i, count;
+
+ PJSUA_LOCK();
+
+ for (i=0, count=0; i<PJ_ARRAY_SIZE(pjsua_var.tpdata) && count<*p_count;
+ ++i)
+ {
+ if (!pjsua_var.tpdata[i].data.ptr)
+ continue;
+
+ id[count++] = i;
+ }
+
+ *p_count = count;
+
+ PJSUA_UNLOCK();
+
+ return PJ_SUCCESS;
+}
+
+
+/*
+ * Get information about transports.
+ */
+PJ_DEF(pj_status_t) pjsua_transport_get_info( pjsua_transport_id id,
+ pjsua_transport_info *info)
+{
+ pjsua_transport_data *t = &pjsua_var.tpdata[id];
+ pj_status_t status;
+
+ pj_bzero(info, sizeof(*info));
+
+ /* Make sure id is in range. */
+ PJ_ASSERT_RETURN(id>=0 && id<(int)PJ_ARRAY_SIZE(pjsua_var.tpdata),
+ PJ_EINVAL);
+
+ /* Make sure that transport exists */
+ PJ_ASSERT_RETURN(pjsua_var.tpdata[id].data.ptr != NULL, PJ_EINVAL);
+
+ PJSUA_LOCK();
+
+ if (t->type == PJSIP_TRANSPORT_UDP) {
+
+ pjsip_transport *tp = t->data.tp;
+
+ if (tp == NULL) {
+ PJSUA_UNLOCK();
+ return PJ_EINVALIDOP;
+ }
+
+ info->id = id;
+ info->type = (pjsip_transport_type_e) tp->key.type;
+ info->type_name = pj_str(tp->type_name);
+ info->info = pj_str(tp->info);
+ info->flag = tp->flag;
+ info->addr_len = tp->addr_len;
+ info->local_addr = tp->local_addr;
+ info->local_name = tp->local_name;
+ info->usage_count = pj_atomic_get(tp->ref_cnt);
+
+ status = PJ_SUCCESS;
+
+ } else if (t->type == PJSIP_TRANSPORT_TCP ||
+ t->type == PJSIP_TRANSPORT_TLS)
+ {
+
+ pjsip_tpfactory *factory = t->data.factory;
+
+ if (factory == NULL) {
+ PJSUA_UNLOCK();
+ return PJ_EINVALIDOP;
+ }
+
+ info->id = id;
+ info->type = t->type;
+ info->type_name = (t->type==PJSIP_TRANSPORT_TCP)? pj_str("TCP"):
+ pj_str("TLS");
+ info->info = (t->type==PJSIP_TRANSPORT_TCP)? pj_str("TCP transport"):
+ pj_str("TLS transport");
+ info->flag = factory->flag;
+ info->addr_len = sizeof(factory->local_addr);
+ info->local_addr = factory->local_addr;
+ info->local_name = factory->addr_name;
+ info->usage_count = 0;
+
+ status = PJ_SUCCESS;
+
+ } else {
+ pj_assert(!"Unsupported transport");
+ status = PJ_EINVALIDOP;
+ }
+
+
+ PJSUA_UNLOCK();
+
+ return status;
+}
+
+
+/*
+ * Disable a transport or re-enable it.
+ */
+PJ_DEF(pj_status_t) pjsua_transport_set_enable( pjsua_transport_id id,
+ pj_bool_t enabled)
+{
+ /* Make sure id is in range. */
+ PJ_ASSERT_RETURN(id>=0 && id<(int)PJ_ARRAY_SIZE(pjsua_var.tpdata),
+ PJ_EINVAL);
+
+ /* Make sure that transport exists */
+ PJ_ASSERT_RETURN(pjsua_var.tpdata[id].data.ptr != NULL, PJ_EINVAL);
+
+
+ /* To be done!! */
+ PJ_TODO(pjsua_transport_set_enable);
+ PJ_UNUSED_ARG(enabled);
+
+ return PJ_EINVALIDOP;
+}
+
+
+/*
+ * Close the transport.
+ */
+PJ_DEF(pj_status_t) pjsua_transport_close( pjsua_transport_id id,
+ pj_bool_t force )
+{
+ pj_status_t status;
+
+ /* Make sure id is in range. */
+ PJ_ASSERT_RETURN(id>=0 && id<(int)PJ_ARRAY_SIZE(pjsua_var.tpdata),
+ PJ_EINVAL);
+
+ /* Make sure that transport exists */
+ PJ_ASSERT_RETURN(pjsua_var.tpdata[id].data.ptr != NULL, PJ_EINVAL);
+
+ /* Note: destroy() may not work if there are objects still referencing
+ * the transport.
+ */
+ if (force) {
+ switch (pjsua_var.tpdata[id].type) {
+ case PJSIP_TRANSPORT_UDP:
+ status = pjsip_transport_shutdown(pjsua_var.tpdata[id].data.tp);
+ if (status != PJ_SUCCESS)
+ return status;
+ status = pjsip_transport_destroy(pjsua_var.tpdata[id].data.tp);
+ if (status != PJ_SUCCESS)
+ return status;
+ break;
+
+ case PJSIP_TRANSPORT_TLS:
+ case PJSIP_TRANSPORT_TCP:
+ /* This will close the TCP listener, but existing TCP/TLS
+ * connections (if any) will still linger
+ */
+ status = (*pjsua_var.tpdata[id].data.factory->destroy)
+ (pjsua_var.tpdata[id].data.factory);
+ if (status != PJ_SUCCESS)
+ return status;
+
+ break;
+
+ default:
+ return PJ_EINVAL;
+ }
+
+ } else {
+ /* If force is not specified, transports will be closed at their
+ * convenient time. However this will leak PJSUA-API transport
+ * descriptors as PJSUA-API wouldn't know when exactly the
+ * transport is closed thus it can't cleanup PJSUA transport
+ * descriptor.
+ */
+ switch (pjsua_var.tpdata[id].type) {
+ case PJSIP_TRANSPORT_UDP:
+ return pjsip_transport_shutdown(pjsua_var.tpdata[id].data.tp);
+ case PJSIP_TRANSPORT_TLS:
+ case PJSIP_TRANSPORT_TCP:
+ return (*pjsua_var.tpdata[id].data.factory->destroy)
+ (pjsua_var.tpdata[id].data.factory);
+ default:
+ return PJ_EINVAL;
+ }
+ }
+
+ /* Cleanup pjsua data when force is applied */
+ if (force) {
+ pjsua_var.tpdata[id].type = PJSIP_TRANSPORT_UNSPECIFIED;
+ pjsua_var.tpdata[id].data.ptr = NULL;
+ }
+
+ return PJ_SUCCESS;
+}
+
+
+/*
+ * Add additional headers etc in msg_data specified by application
+ * when sending requests.
+ */
+void pjsua_process_msg_data(pjsip_tx_data *tdata,
+ const pjsua_msg_data *msg_data)
+{
+ pj_bool_t allow_body;
+ const pjsip_hdr *hdr;
+
+ /* Always add User-Agent */
+ if (pjsua_var.ua_cfg.user_agent.slen &&
+ tdata->msg->type == PJSIP_REQUEST_MSG)
+ {
+ const pj_str_t STR_USER_AGENT = { "User-Agent", 10 };
+ pjsip_hdr *h;
+ h = (pjsip_hdr*)pjsip_generic_string_hdr_create(tdata->pool,
+ &STR_USER_AGENT,
+ &pjsua_var.ua_cfg.user_agent);
+ pjsip_msg_add_hdr(tdata->msg, h);
+ }
+
+ if (!msg_data)
+ return;
+
+ hdr = msg_data->hdr_list.next;
+ while (hdr && hdr != &msg_data->hdr_list) {
+ pjsip_hdr *new_hdr;
+
+ new_hdr = (pjsip_hdr*) pjsip_hdr_clone(tdata->pool, hdr);
+ pjsip_msg_add_hdr(tdata->msg, new_hdr);
+
+ hdr = hdr->next;
+ }
+
+ allow_body = (tdata->msg->body == NULL);
+
+ if (allow_body && msg_data->content_type.slen && msg_data->msg_body.slen) {
+ pjsip_media_type ctype;
+ pjsip_msg_body *body;
+
+ pjsua_parse_media_type(tdata->pool, &msg_data->content_type, &ctype);
+ body = pjsip_msg_body_create(tdata->pool, &ctype.type, &ctype.subtype,
+ &msg_data->msg_body);
+ tdata->msg->body = body;
+ }
+
+ /* Multipart */
+ if (!pj_list_empty(&msg_data->multipart_parts) &&
+ msg_data->multipart_ctype.type.slen)
+ {
+ pjsip_msg_body *bodies;
+ pjsip_multipart_part *part;
+ pj_str_t *boundary = NULL;
+
+ bodies = pjsip_multipart_create(tdata->pool,
+ &msg_data->multipart_ctype,
+ boundary);
+ part = msg_data->multipart_parts.next;
+ while (part != &msg_data->multipart_parts) {
+ pjsip_multipart_part *part_copy;
+
+ part_copy = pjsip_multipart_clone_part(tdata->pool, part);
+ pjsip_multipart_add_part(tdata->pool, bodies, part_copy);
+ part = part->next;
+ }
+
+ if (tdata->msg->body) {
+ part = pjsip_multipart_create_part(tdata->pool);
+ part->body = tdata->msg->body;
+ pjsip_multipart_add_part(tdata->pool, bodies, part);
+
+ tdata->msg->body = NULL;
+ }
+
+ tdata->msg->body = bodies;
+ }
+}
+
+
+/*
+ * Add route_set to outgoing requests
+ */
+void pjsua_set_msg_route_set( pjsip_tx_data *tdata,
+ const pjsip_route_hdr *route_set )
+{
+ const pjsip_route_hdr *r;
+
+ r = route_set->next;
+ while (r != route_set) {
+ pjsip_route_hdr *new_r;
+
+ new_r = (pjsip_route_hdr*) pjsip_hdr_clone(tdata->pool, r);
+ pjsip_msg_add_hdr(tdata->msg, (pjsip_hdr*)new_r);
+
+ r = r->next;
+ }
+}
+
+
+/*
+ * Simple version of MIME type parsing (it doesn't support parameters)
+ */
+void pjsua_parse_media_type( pj_pool_t *pool,
+ const pj_str_t *mime,
+ pjsip_media_type *media_type)
+{
+ pj_str_t tmp;
+ char *pos;
+
+ pj_bzero(media_type, sizeof(*media_type));
+
+ pj_strdup_with_null(pool, &tmp, mime);
+
+ pos = pj_strchr(&tmp, '/');
+ if (pos) {
+ media_type->type.ptr = tmp.ptr;
+ media_type->type.slen = (pos-tmp.ptr);
+ media_type->subtype.ptr = pos+1;
+ media_type->subtype.slen = tmp.ptr+tmp.slen-pos-1;
+ } else {
+ media_type->type = tmp;
+ }
+}
+
+
+/*
+ * Internal function to init transport selector from transport id.
+ */
+void pjsua_init_tpselector(pjsua_transport_id tp_id,
+ pjsip_tpselector *sel)
+{
+ pjsua_transport_data *tpdata;
+ unsigned flag;
+
+ pj_bzero(sel, sizeof(*sel));
+ if (tp_id == PJSUA_INVALID_ID)
+ return;
+
+ pj_assert(tp_id >= 0 && tp_id < (int)PJ_ARRAY_SIZE(pjsua_var.tpdata));
+ tpdata = &pjsua_var.tpdata[tp_id];
+
+ flag = pjsip_transport_get_flag_from_type(tpdata->type);
+
+ if (flag & PJSIP_TRANSPORT_DATAGRAM) {
+ sel->type = PJSIP_TPSELECTOR_TRANSPORT;
+ sel->u.transport = tpdata->data.tp;
+ } else {
+ sel->type = PJSIP_TPSELECTOR_LISTENER;
+ sel->u.listener = tpdata->data.factory;
+ }
+}
+
+
+/* Callback upon NAT detection completion */
+static void nat_detect_cb(void *user_data,
+ const pj_stun_nat_detect_result *res)
+{
+ PJ_UNUSED_ARG(user_data);
+
+ pjsua_var.nat_in_progress = PJ_FALSE;
+ pjsua_var.nat_status = res->status;
+ pjsua_var.nat_type = res->nat_type;
+
+ if (pjsua_var.ua_cfg.cb.on_nat_detect) {
+ (*pjsua_var.ua_cfg.cb.on_nat_detect)(res);
+ }
+}
+
+
+/*
+ * Detect NAT type.
+ */
+PJ_DEF(pj_status_t) pjsua_detect_nat_type()
+{
+ pj_status_t status;
+
+ if (pjsua_var.nat_in_progress)
+ return PJ_SUCCESS;
+
+ /* Make sure STUN server resolution has completed */
+ status = resolve_stun_server(PJ_TRUE);
+ if (status != PJ_SUCCESS) {
+ pjsua_var.nat_status = status;
+ pjsua_var.nat_type = PJ_STUN_NAT_TYPE_ERR_UNKNOWN;
+ return status;
+ }
+
+ /* Make sure we have STUN */
+ if (pjsua_var.stun_srv.ipv4.sin_family == 0) {
+ pjsua_var.nat_status = PJNATH_ESTUNINSERVER;
+ return PJNATH_ESTUNINSERVER;
+ }
+
+ status = pj_stun_detect_nat_type(&pjsua_var.stun_srv.ipv4,
+ &pjsua_var.stun_cfg,
+ NULL, &nat_detect_cb);
+
+ if (status != PJ_SUCCESS) {
+ pjsua_var.nat_status = status;
+ pjsua_var.nat_type = PJ_STUN_NAT_TYPE_ERR_UNKNOWN;
+ return status;
+ }
+
+ pjsua_var.nat_in_progress = PJ_TRUE;
+
+ return PJ_SUCCESS;
+}
+
+
+/*
+ * Get NAT type.
+ */
+PJ_DEF(pj_status_t) pjsua_get_nat_type(pj_stun_nat_type *type)
+{
+ *type = pjsua_var.nat_type;
+ return pjsua_var.nat_status;
+}
+
+/*
+ * Verify that valid url is given.
+ */
+PJ_DEF(pj_status_t) pjsua_verify_url(const char *c_url)
+{
+ pjsip_uri *p;
+ pj_pool_t *pool;
+ char *url;
+ pj_size_t len = (c_url ? pj_ansi_strlen(c_url) : 0);
+
+ if (!len) return PJSIP_EINVALIDURI;
+
+ pool = pj_pool_create(&pjsua_var.cp.factory, "check%p", 1024, 0, NULL);
+ if (!pool) return PJ_ENOMEM;
+
+ url = (char*) pj_pool_alloc(pool, len+1);
+ pj_ansi_strcpy(url, c_url);
+
+ p = pjsip_parse_uri(pool, url, len, 0);
+
+ pj_pool_release(pool);
+ return p ? 0 : PJSIP_EINVALIDURI;
+}
+
+/*
+ * Verify that valid SIP url is given.
+ */
+PJ_DEF(pj_status_t) pjsua_verify_sip_url(const char *c_url)
+{
+ pjsip_uri *p;
+ pj_pool_t *pool;
+ char *url;
+ pj_size_t len = (c_url ? pj_ansi_strlen(c_url) : 0);
+
+ if (!len) return PJSIP_EINVALIDURI;
+
+ pool = pj_pool_create(&pjsua_var.cp.factory, "check%p", 1024, 0, NULL);
+ if (!pool) return PJ_ENOMEM;
+
+ url = (char*) pj_pool_alloc(pool, len+1);
+ pj_ansi_strcpy(url, c_url);
+
+ p = pjsip_parse_uri(pool, url, len, 0);
+ if (!p || (pj_stricmp2(pjsip_uri_get_scheme(p), "sip") != 0 &&
+ pj_stricmp2(pjsip_uri_get_scheme(p), "sips") != 0))
+ {
+ p = NULL;
+ }
+
+ pj_pool_release(pool);
+ return p ? 0 : PJSIP_EINVALIDURI;
+}
+
+/*
+ * Schedule a timer entry.
+ */
+#if PJ_TIMER_DEBUG
+PJ_DEF(pj_status_t) pjsua_schedule_timer_dbg( pj_timer_entry *entry,
+ const pj_time_val *delay,
+ const char *src_file,
+ int src_line)
+{
+ return pjsip_endpt_schedule_timer_dbg(pjsua_var.endpt, entry, delay,
+ src_file, src_line);
+}
+#else
+PJ_DEF(pj_status_t) pjsua_schedule_timer( pj_timer_entry *entry,
+ const pj_time_val *delay)
+{
+ return pjsip_endpt_schedule_timer(pjsua_var.endpt, entry, delay);
+}
+#endif
+
+/* Timer callback */
+static void timer_cb( pj_timer_heap_t *th,
+ pj_timer_entry *entry)
+{
+ pjsua_timer_list *tmr = (pjsua_timer_list *)entry->user_data;
+ void (*cb)(void *user_data) = tmr->cb;
+ void *user_data = tmr->user_data;
+
+ PJ_UNUSED_ARG(th);
+
+ pj_mutex_lock(pjsua_var.timer_mutex);
+ pj_list_push_back(&pjsua_var.timer_list, tmr);
+ pj_mutex_unlock(pjsua_var.timer_mutex);
+
+ if (cb)
+ (*cb)(user_data);
+}
+
+/*
+ * Schedule a timer callback.
+ */
+#if PJ_TIMER_DEBUG
+PJ_DEF(pj_status_t) pjsua_schedule_timer2_dbg( void (*cb)(void *user_data),
+ void *user_data,
+ unsigned msec_delay,
+ const char *src_file,
+ int src_line)
+#else
+PJ_DEF(pj_status_t) pjsua_schedule_timer2( void (*cb)(void *user_data),
+ void *user_data,
+ unsigned msec_delay)
+#endif
+{
+ pjsua_timer_list *tmr = NULL;
+ pj_status_t status;
+ pj_time_val delay;
+
+ pj_mutex_lock(pjsua_var.timer_mutex);
+
+ if (pj_list_empty(&pjsua_var.timer_list)) {
+ tmr = PJ_POOL_ALLOC_T(pjsua_var.pool, pjsua_timer_list);
+ } else {
+ tmr = pjsua_var.timer_list.next;
+ pj_list_erase(tmr);
+ }
+ pj_timer_entry_init(&tmr->entry, 0, tmr, timer_cb);
+ tmr->cb = cb;
+ tmr->user_data = user_data;
+ delay.sec = 0;
+ delay.msec = msec_delay;
+
+#if PJ_TIMER_DEBUG
+ status = pjsip_endpt_schedule_timer_dbg(pjsua_var.endpt, &tmr->entry,
+ &delay, src_file, src_line);
+#else
+ status = pjsip_endpt_schedule_timer(pjsua_var.endpt, &tmr->entry, &delay);
+#endif
+ if (status != PJ_SUCCESS) {
+ pj_list_push_back(&pjsua_var.timer_list, tmr);
+ }
+
+ pj_mutex_unlock(pjsua_var.timer_mutex);
+
+ return status;
+}
+
+/*
+ * Cancel the previously scheduled timer.
+ *
+ */
+PJ_DEF(void) pjsua_cancel_timer(pj_timer_entry *entry)
+{
+ pjsip_endpt_cancel_timer(pjsua_var.endpt, entry);
+}
+
+/**
+ * Normalize route URI (check for ";lr" and append one if it doesn't
+ * exist and pjsua_config.force_lr is set.
+ */
+pj_status_t normalize_route_uri(pj_pool_t *pool, pj_str_t *uri)
+{
+ pj_str_t tmp_uri;
+ pj_pool_t *tmp_pool;
+ pjsip_uri *uri_obj;
+ pjsip_sip_uri *sip_uri;
+
+ tmp_pool = pjsua_pool_create("tmplr%p", 512, 512);
+ if (!tmp_pool)
+ return PJ_ENOMEM;
+
+ pj_strdup_with_null(tmp_pool, &tmp_uri, uri);
+
+ uri_obj = pjsip_parse_uri(tmp_pool, tmp_uri.ptr, tmp_uri.slen, 0);
+ if (!uri_obj) {
+ PJ_LOG(1,(THIS_FILE, "Invalid route URI: %.*s",
+ (int)uri->slen, uri->ptr));
+ pj_pool_release(tmp_pool);
+ return PJSIP_EINVALIDURI;
+ }
+
+ if (!PJSIP_URI_SCHEME_IS_SIP(uri_obj) &&
+ !PJSIP_URI_SCHEME_IS_SIPS(uri_obj))
+ {
+ PJ_LOG(1,(THIS_FILE, "Route URI must be SIP URI: %.*s",
+ (int)uri->slen, uri->ptr));
+ pj_pool_release(tmp_pool);
+ return PJSIP_EINVALIDSCHEME;
+ }
+
+ sip_uri = (pjsip_sip_uri*) pjsip_uri_get_uri(uri_obj);
+
+ /* Done if force_lr is disabled or if lr parameter is present */
+ if (!pjsua_var.ua_cfg.force_lr || sip_uri->lr_param) {
+ pj_pool_release(tmp_pool);
+ return PJ_SUCCESS;
+ }
+
+ /* Set lr param */
+ sip_uri->lr_param = 1;
+
+ /* Print the URI */
+ tmp_uri.ptr = (char*) pj_pool_alloc(tmp_pool, PJSIP_MAX_URL_SIZE);
+ tmp_uri.slen = pjsip_uri_print(PJSIP_URI_IN_ROUTING_HDR, uri_obj,
+ tmp_uri.ptr, PJSIP_MAX_URL_SIZE);
+ if (tmp_uri.slen < 1) {
+ PJ_LOG(1,(THIS_FILE, "Route URI is too long: %.*s",
+ (int)uri->slen, uri->ptr));
+ pj_pool_release(tmp_pool);
+ return PJSIP_EURITOOLONG;
+ }
+
+ /* Clone the URI */
+ pj_strdup_with_null(pool, uri, &tmp_uri);
+
+ pj_pool_release(tmp_pool);
+ return PJ_SUCCESS;
+}
+
+/*
+ * This is a utility function to dump the stack states to log, using
+ * verbosity level 3.
+ */
+PJ_DEF(void) pjsua_dump(pj_bool_t detail)
+{
+ unsigned old_decor;
+ unsigned i;
+
+ PJ_LOG(3,(THIS_FILE, "Start dumping application states:"));
+
+ old_decor = pj_log_get_decor();
+ pj_log_set_decor(old_decor & (PJ_LOG_HAS_NEWLINE | PJ_LOG_HAS_CR));
+
+ if (detail)
+ pj_dump_config();
+
+ pjsip_endpt_dump(pjsua_get_pjsip_endpt(), detail);
+
+ pjmedia_endpt_dump(pjsua_get_pjmedia_endpt());
+
+ PJ_LOG(3,(THIS_FILE, "Dumping media transports:"));
+ for (i=0; i<pjsua_var.ua_cfg.max_calls; ++i) {
+ pjsua_call *call = &pjsua_var.calls[i];
+ pjsua_acc_config *acc_cfg;
+ pjmedia_transport *tp[PJSUA_MAX_CALL_MEDIA*2];
+ unsigned tp_cnt = 0;
+ unsigned j;
+
+ /* Collect media transports in this call */
+ for (j = 0; j < call->med_cnt; ++j) {
+ if (call->media[j].tp != NULL)
+ tp[tp_cnt++] = call->media[j].tp;
+ }
+ for (j = 0; j < call->med_prov_cnt; ++j) {
+ pjmedia_transport *med_tp = call->media_prov[j].tp;
+ if (med_tp) {
+ unsigned k;
+ pj_bool_t used = PJ_FALSE;
+ for (k = 0; k < tp_cnt; ++k) {
+ if (med_tp == tp[k]) {
+ used = PJ_TRUE;
+ break;
+ }
+ }
+ if (!used)
+ tp[tp_cnt++] = med_tp;
+ }
+ }
+
+ acc_cfg = &pjsua_var.acc[call->acc_id].cfg;
+
+ /* Dump the media transports in this call */
+ for (j = 0; j < tp_cnt; ++j) {
+ pjmedia_transport_info tpinfo;
+ char addr_buf[80];
+
+ pjmedia_transport_info_init(&tpinfo);
+ pjmedia_transport_get_info(tp[j], &tpinfo);
+ PJ_LOG(3,(THIS_FILE, " %s: %s",
+ (acc_cfg->ice_cfg.enable_ice ? "ICE" : "UDP"),
+ pj_sockaddr_print(&tpinfo.sock_info.rtp_addr_name,
+ addr_buf,
+ sizeof(addr_buf), 3)));
+ }
+ }
+
+ pjsip_tsx_layer_dump(detail);
+ pjsip_ua_dump(detail);
+
+// Dumping complete call states may require a 'large' buffer
+// (about 3KB per call session, including RTCP XR).
+#if 0
+ /* Dump all invite sessions: */
+ PJ_LOG(3,(THIS_FILE, "Dumping invite sessions:"));
+
+ if (pjsua_call_get_count() == 0) {
+
+ PJ_LOG(3,(THIS_FILE, " - no sessions -"));
+
+ } else {
+ unsigned i;
+
+ for (i=0; i<pjsua_var.ua_cfg.max_calls; ++i) {
+ if (pjsua_call_is_active(i)) {
+ /* Tricky logging, since call states log string tends to be
+ * longer than PJ_LOG_MAX_SIZE.
+ */
+ char buf[1024 * 3];
+ unsigned call_dump_len;
+ unsigned part_len;
+ unsigned part_idx;
+ unsigned log_decor;
+
+ pjsua_call_dump(i, detail, buf, sizeof(buf), " ");
+ call_dump_len = strlen(buf);
+
+ log_decor = pj_log_get_decor();
+ pj_log_set_decor(log_decor & ~(PJ_LOG_HAS_NEWLINE |
+ PJ_LOG_HAS_CR));
+ PJ_LOG(3,(THIS_FILE, "\n"));
+ pj_log_set_decor(0);
+
+ part_idx = 0;
+ part_len = PJ_LOG_MAX_SIZE-80;
+ while (part_idx < call_dump_len) {
+ char p_orig, *p;
+
+ p = &buf[part_idx];
+ if (part_idx + part_len > call_dump_len)
+ part_len = call_dump_len - part_idx;
+ p_orig = p[part_len];
+ p[part_len] = '\0';
+ PJ_LOG(3,(THIS_FILE, "%s", p));
+ p[part_len] = p_orig;
+ part_idx += part_len;
+ }
+ pj_log_set_decor(log_decor);
+ }
+ }
+ }
+#endif
+
+ /* Dump presence status */
+ pjsua_pres_dump(detail);
+
+ pj_log_set_decor(old_decor);
+ PJ_LOG(3,(THIS_FILE, "Dump complete"));
+}
+