Set svn:eol-style property
git-svn-id: https://svn.pjsip.org/repos/pjproject/trunk@65 74dad513-b988-da41-8d7b-12977e46ad98
diff --git a/pjsip/src/pjsua/main.c b/pjsip/src/pjsua/main.c
index e4d1e1c..09f9f8f 100644
--- a/pjsip/src/pjsua/main.c
+++ b/pjsip/src/pjsua/main.c
@@ -1,1827 +1,1827 @@
-/* $Id$ */
-/*
- * Copyright (C) 2003-2006 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 <pjlib.h>
-#include <pjsip_core.h>
-#include <pjsip_ua.h>
-#include <pjsip_simple.h>
-#include <pjmedia.h>
-#include <ctype.h>
-#include <stdlib.h>
-#include <pj/stun.h>
-
-#define START_PORT 5060
-#define MAX_BUDDIES 32
-#define THIS_FILE "main.c"
-#define MAX_PRESENTITY 32
-#define PRESENCE_TIMEOUT 60
-
-/* By default we'll have one worker thread, except when threading
- * is disabled.
- */
-#if PJ_HAS_THREADS
-# define WORKER_COUNT 1
-#else
-# define WORKER_COUNT 0
-#endif
-
-/* Global variable. */
-static struct
-{
- /* Control. */
- pj_pool_factory *pf;
- pjsip_endpoint *endpt;
- pj_pool_t *pool;
- pjsip_user_agent *user_agent;
- int worker_cnt;
- int worker_quit_flag;
-
- /* User info. */
- char user_id[64];
- pj_str_t local_uri;
- pj_str_t contact;
- pj_str_t real_contact;
-
- /* Dialog. */
- pjsip_dlg *cur_dlg;
-
- /* Authentication. */
- int cred_count;
- pjsip_cred_info cred_info[4];
-
- /* Media stack. */
- pj_bool_t null_audio;
- pj_med_mgr_t *mmgr;
-
- /* Misc. */
- int app_log_level;
- char *log_filename;
- FILE *log_file;
-
- /* Proxy URLs */
- pj_str_t proxy;
- pj_str_t outbound_proxy;
-
- /* UA auto options. */
- int auto_answer; /* -1 to disable. */
- int auto_hangup; /* -1 to disable */
-
- /* Registration. */
- pj_str_t registrar_uri;
- pjsip_regc *regc;
- pj_int32_t reg_timeout;
- pj_timer_entry regc_timer;
-
- /* STUN */
- pj_str_t stun_srv1;
- int stun_port1;
- pj_str_t stun_srv2;
- int stun_port2;
-
- /* UDP sockets and their public address. */
- int sip_port;
- pj_sock_t sip_sock;
- pj_sockaddr_in sip_sock_name;
- pj_sock_t rtp_sock;
- pj_sockaddr_in rtp_sock_name;
- pj_sock_t rtcp_sock;
- pj_sockaddr_in rtcp_sock_name;
-
- /* SIMPLE */
- pj_bool_t hide_status;
- pj_bool_t offer_x_ms_msg;
- int im_counter;
- int buddy_cnt;
- pj_str_t buddy[MAX_BUDDIES];
- pj_bool_t buddy_status[MAX_BUDDIES];
- pj_bool_t no_presence;
- pjsip_presentity *buddy_pres[MAX_BUDDIES];
-
- int pres_cnt;
- pjsip_presentity *pres[MAX_PRESENTITY];
-
-} global;
-
-enum { AUTO_ANSWER, AUTO_HANGUP };
-
-/* This is the data that will be 'attached' on per dialog basis. */
-struct dialog_data
-{
- /* Media session. */
- pj_media_session_t *msession;
-
- /* x-ms-chat session. */
- pj_bool_t x_ms_msg_session;
-
- /* Cached SDP body, updated when media session changed. */
- pjsip_msg_body *body;
-
- /* Timer. */
- pj_bool_t has_auto_timer;
- pj_timer_entry auto_timer;
-};
-
-/*
- * These are the callbacks to be registered to dialog to receive notifications
- * about various events in the dialog.
- */
-static void dlg_on_all_events (pjsip_dlg *dlg, pjsip_dlg_event_e dlg_evt,
- pjsip_event *event );
-static void dlg_on_before_tx (pjsip_dlg *dlg, pjsip_transaction *tsx,
- pjsip_tx_data *tdata, int retransmission);
-static void dlg_on_tx_msg (pjsip_dlg *dlg, pjsip_transaction *tsx,
- pjsip_tx_data *tdata);
-static void dlg_on_rx_msg (pjsip_dlg *dlg, pjsip_transaction *tsx,
- pjsip_rx_data *rdata);
-static void dlg_on_incoming (pjsip_dlg *dlg, pjsip_transaction *tsx,
- pjsip_rx_data *rdata);
-static void dlg_on_calling (pjsip_dlg *dlg, pjsip_transaction *tsx,
- pjsip_tx_data *tdata);
-static void dlg_on_provisional (pjsip_dlg *dlg, pjsip_transaction *tsx,
- pjsip_event *event);
-static void dlg_on_connecting (pjsip_dlg *dlg, pjsip_event *event);
-static void dlg_on_established (pjsip_dlg *dlg, pjsip_event *event);
-static void dlg_on_disconnected (pjsip_dlg *dlg, pjsip_event *event);
-static void dlg_on_terminated (pjsip_dlg *dlg);
-static void dlg_on_mid_call_evt (pjsip_dlg *dlg, pjsip_event *event);
-
-/* The callback structure that will be registered to UA layer. */
-struct pjsip_dlg_callback dlg_callback = {
- &dlg_on_all_events,
- &dlg_on_before_tx,
- &dlg_on_tx_msg,
- &dlg_on_rx_msg,
- &dlg_on_incoming,
- &dlg_on_calling,
- &dlg_on_provisional,
- &dlg_on_connecting,
- &dlg_on_established,
- &dlg_on_disconnected,
- &dlg_on_terminated,
- &dlg_on_mid_call_evt
-};
-
-
-/*
- * Auxiliary things are put in misc.c, so that this main.c file is more
- * readable.
- */
-#include "misc.c"
-
-static void dlg_auto_timer_callback( pj_timer_heap_t *timer_heap,
- struct pj_timer_entry *entry)
-{
- pjsip_dlg *dlg = entry->user_data;
- struct dialog_data *dlg_data = dlg->user_data;
-
- PJ_UNUSED_ARG(timer_heap)
-
- dlg_data->has_auto_timer = 0;
-
- if (entry->id == AUTO_ANSWER) {
- pjsip_tx_data *tdata = pjsip_dlg_answer(dlg, 200);
- if (tdata) {
- struct dialog_data *dlg_data = global.cur_dlg->user_data;
- tdata->msg->body = dlg_data->body;
- pjsip_dlg_send_msg(dlg, tdata);
- }
- } else {
- pjsip_tx_data *tdata = pjsip_dlg_disconnect(dlg, 500);
- if (tdata)
- pjsip_dlg_send_msg(dlg, tdata);
- }
-}
-
-static void update_registration(pjsip_regc *regc, int renew)
-{
- pjsip_tx_data *tdata;
-
- PJ_LOG(3,(THIS_FILE, "Performing SIP registration..."));
-
- if (renew) {
- tdata = pjsip_regc_register(regc, 1);
- } else {
- tdata = pjsip_regc_unregister(regc);
- }
-
- pjsip_regc_send( regc, tdata );
-}
-
-static void regc_cb(struct pjsip_regc_cbparam *param)
-{
- /*
- * Print registration status.
- */
- if (param->code < 0 || param->code >= 300) {
- PJ_LOG(2, (THIS_FILE, "SIP registration failed, status=%d (%s)",
- param->code, pjsip_get_status_text(param->code)->ptr));
- global.regc = NULL;
-
- } else if (PJSIP_IS_STATUS_IN_CLASS(param->code, 200)) {
- PJ_LOG(3, (THIS_FILE, "SIP registration success, status=%d (%s), "
- "will re-register in %d seconds",
- param->code,
- pjsip_get_status_text(param->code)->ptr,
- param->expiration));
-
- } else {
- PJ_LOG(4, (THIS_FILE, "SIP registration updated status=%d", param->code));
- }
-}
-
-static void pres_on_received_request(pjsip_presentity *pres, pjsip_rx_data *rdata,
- int *timeout)
-{
- int state;
- int i;
- char url[PJSIP_MAX_URL_SIZE];
- int urllen;
-
- PJ_UNUSED_ARG(rdata)
-
- if (*timeout > 0) {
- state = PJSIP_EVENT_SUB_STATE_ACTIVE;
- if (*timeout > 300)
- *timeout = 300;
- } else {
- state = PJSIP_EVENT_SUB_STATE_TERMINATED;
- }
-
- urllen = pjsip_uri_print(PJSIP_URI_IN_FROMTO_HDR, rdata->from->uri, url, sizeof(url)-1);
- if (urllen < 1) {
- pj_native_strcpy(url, "<unknown>");
- } else {
- url[urllen] = '\0';
- }
- PJ_LOG(3,(THIS_FILE, "Received presence request from %s, sub_state=%s",
- url,
- (state==PJSIP_EVENT_SUB_STATE_ACTIVE?"active":"terminated")));
-
- for (i=0; i<global.pres_cnt; ++i)
- if (global.pres[i] == pres)
- break;
- if (i == global.pres_cnt)
- global.pres[global.pres_cnt++] = pres;
-
- pjsip_presence_set_credentials( pres, global.cred_count, global.cred_info );
- pjsip_presence_notify(pres, state, !global.hide_status);
-
-}
-
-static void pres_on_received_refresh(pjsip_presentity *pres, pjsip_rx_data *rdata)
-{
- pres_on_received_request(pres, rdata, &pres->sub->default_interval);
-}
-
-/* This is called by presence framework when we receives presence update
- * of a resource (buddy).
- */
-static void pres_on_received_update(pjsip_presentity *pres, pj_bool_t is_open)
-{
- int buddy_index = (int)pres->user_data;
-
- global.buddy_status[buddy_index] = is_open;
- PJ_LOG(3,(THIS_FILE, "Presence update: %s is %s",
- global.buddy[buddy_index].ptr,
- (is_open ? "Online" : "Offline")));
-}
-
-/* This is called when the subscription is terminated. */
-static void pres_on_terminated(pjsip_presentity *pres, const pj_str_t *reason)
-{
- if (pres->sub->role == PJSIP_ROLE_UAC) {
- int buddy_index = (int)pres->user_data;
- PJ_LOG(3,(THIS_FILE, "Presence subscription for %s is terminated (reason=%.*s)",
- global.buddy[buddy_index].ptr,
- reason->slen, reason->ptr));
- global.buddy_pres[buddy_index] = NULL;
- global.buddy_status[buddy_index] = 0;
- } else {
- int i;
- PJ_LOG(3,(THIS_FILE, "Notifier terminated (reason=%.*s)",
- reason->slen, reason->ptr));
- pjsip_presence_notify(pres, PJSIP_EVENT_SUB_STATE_TERMINATED, 1);
- for (i=0; i<global.pres_cnt; ++i) {
- if (global.pres[i] == pres) {
- int j;
- global.pres[i] = NULL;
- for (j=i+1; j<global.pres_cnt; ++j)
- global.pres[j-1] = global.pres[j];
- global.pres_cnt--;
- break;
- }
- }
- }
- pjsip_presence_destroy(pres);
-}
-
-
-/* Callback attached to SIP body to print the body to message buffer. */
-static int print_msg_body(pjsip_msg_body *msg_body, char *buf, pj_size_t size)
-{
- pjsip_msg_body *body = msg_body;
- return pjsdp_print ((pjsdp_session_desc*)body->data, buf, size);
-}
-
-/* When media session has changed, call this function to update the cached body
- * information in the dialog.
- */
-static pjsip_msg_body *create_msg_body (pjsip_dlg *dlg, pj_bool_t is_ack_msg)
-{
- struct dialog_data *dlg_data = dlg->user_data;
- pjsdp_session_desc *sdp;
-
- sdp = pj_media_session_create_sdp (dlg_data->msession, dlg->pool, is_ack_msg);
- if (!sdp) {
- dlg_data->body = NULL;
- return NULL;
- }
-
- /* For outgoing INVITE, if we offer "x-ms-message" line, then add a new
- * "m=" line in the SDP.
- */
- if (dlg_data->x_ms_msg_session >= 0 &&
- dlg_data->x_ms_msg_session >= (int)sdp->media_count)
- {
- pjsdp_media_desc *m = pj_pool_calloc(dlg->pool, 1, sizeof(*m));
- sdp->media[sdp->media_count] = m;
- dlg_data->x_ms_msg_session = sdp->media_count++;
- }
-
- /*
- * For "x-ms-message" line, remove all attributes and connection line etc.
- */
- if (dlg_data->x_ms_msg_session >= 0) {
- pjsdp_media_desc *m = sdp->media[dlg_data->x_ms_msg_session];
- if (m) {
- m->desc.media = pj_str("x-ms-message");
- m->desc.port = 5060;
- m->desc.transport = pj_str("sip");
- m->desc.fmt_count = 1;
- m->desc.fmt[0] = pj_str("null");
- m->attr_count = 0;
- m->conn = NULL;
- }
- }
-
- dlg_data->body = pj_pool_calloc(dlg->pool, 1, sizeof(*dlg_data->body));
- dlg_data->body->content_type.type = pj_str("application");
- dlg_data->body->content_type.subtype = pj_str("sdp");
- dlg_data->body->len = 0; /* ignored */
- dlg_data->body->print_body = &print_msg_body;
-
- dlg_data->body->data = sdp;
- return dlg_data->body;
-}
-
-/* This callback will be called on every occurence of events in dialogs */
-static void dlg_on_all_events(pjsip_dlg *dlg, pjsip_dlg_event_e dlg_evt,
- pjsip_event *event )
-{
- PJ_UNUSED_ARG(dlg_evt)
- PJ_UNUSED_ARG(event)
-
- PJ_LOG(4, (THIS_FILE, "dlg_on_all_events %p", dlg));
-}
-
-/* This callback is called before each outgoing msg is sent (including
- * retransmission). Application can override this notification if it wants
- * to modify the message before transmission or if it wants to do something
- * else for each transmission.
- */
-static void dlg_on_before_tx(pjsip_dlg *dlg, pjsip_transaction *tsx,
- pjsip_tx_data *tdata, int ret_cnt)
-{
- PJ_UNUSED_ARG(tsx)
- PJ_UNUSED_ARG(tdata)
-
- if (ret_cnt > 0) {
- PJ_LOG(3, (THIS_FILE, "Dialog %s: retransmitting message (cnt=%d)",
- dlg->obj_name, ret_cnt));
- }
-}
-
-/* This callback is called after a message is sent. */
-static void dlg_on_tx_msg(pjsip_dlg *dlg, pjsip_transaction *tsx,
- pjsip_tx_data *tdata)
-{
- PJ_UNUSED_ARG(tsx)
- PJ_UNUSED_ARG(tdata)
-
- PJ_LOG(4, (THIS_FILE, "dlg_on_tx_msg %p", dlg));
-}
-
-/* This callback is called on receipt of incoming message. */
-static void dlg_on_rx_msg(pjsip_dlg *dlg, pjsip_transaction *tsx,
- pjsip_rx_data *rdata)
-{
- PJ_UNUSED_ARG(tsx)
- PJ_UNUSED_ARG(rdata)
- PJ_LOG(4, (THIS_FILE, "dlg_on_tx_msg %p", dlg));
-}
-
-/* This callback is called after dialog has sent INVITE */
-static void dlg_on_calling(pjsip_dlg *dlg, pjsip_transaction *tsx,
- pjsip_tx_data *tdata)
-{
- PJ_UNUSED_ARG(tsx)
- PJ_UNUSED_ARG(tdata)
-
- pj_assert(tdata->msg->type == PJSIP_REQUEST_MSG &&
- tdata->msg->line.req.method.id == PJSIP_INVITE_METHOD &&
- tsx->method.id == PJSIP_INVITE_METHOD);
-
- PJ_LOG(3, (THIS_FILE, "Dialog %s: start calling...", dlg->obj_name));
-}
-
-static void create_session_from_sdp( pjsip_dlg *dlg, pjsdp_session_desc *sdp)
-{
- struct dialog_data *dlg_data = dlg->user_data;
- pj_bool_t sdp_x_ms_msg_index = -1;
- int i;
- int mcnt;
- const pj_media_stream_info *mi[PJSDP_MAX_MEDIA];
- int has_active;
- pj_media_sock_info sock_info;
-
- /* Find "m=x-ms-message" line in the SDP. */
- for (i=0; i<(int)sdp->media_count; ++i) {
- if (pj_stricmp2(&sdp->media[i]->desc.media, "x-ms-message")==0)
- sdp_x_ms_msg_index = i;
- }
-
- /*
- * Create media session.
- */
- pj_memset(&sock_info, 0, sizeof(sock_info));
- sock_info.rtp_sock = global.rtp_sock;
- sock_info.rtcp_sock = global.rtcp_sock;
- pj_memcpy(&sock_info.rtp_addr_name, &global.rtp_sock_name, sizeof(pj_sockaddr_in));
-
- dlg_data->msession = pj_media_session_create_from_sdp (global.mmgr, sdp, &sock_info);
-
- /* A session will always be created, unless there is memory
- * alloc problem.
- */
- pj_assert(dlg_data->msession);
-
- /* See if we can take the offer by checking that we have at least
- * one media stream active.
- */
- mcnt = pj_media_session_enum_streams(dlg_data->msession, PJSDP_MAX_MEDIA, mi);
- for (i=0, has_active=0; i<mcnt; ++i) {
- if (mi[i]->fmt_cnt>0 && mi[i]->dir!=PJ_MEDIA_DIR_NONE) {
- has_active = 1;
- break;
- }
- }
-
- if (!has_active && sdp_x_ms_msg_index==-1) {
- pjsip_tx_data *tdata;
-
- /* Unable to accept remote's SDP.
- * Answer with 488 (Not Acceptable Here)
- */
- /* Create 488 response. */
- tdata = pjsip_dlg_answer(dlg, PJSIP_SC_NOT_ACCEPTABLE_HERE);
-
- /* Send response. */
- if (tdata)
- pjsip_dlg_send_msg(dlg, tdata);
- return;
- }
-
- dlg_data->x_ms_msg_session = sdp_x_ms_msg_index;
-
- /* Create msg body to be used later in 2xx/response */
- create_msg_body(dlg, 0);
-
-}
-
-/* This callback is called after an INVITE is received. */
-static void dlg_on_incoming(pjsip_dlg *dlg, pjsip_transaction *tsx,
- pjsip_rx_data *rdata)
-{
- struct dialog_data *dlg_data;
- pjsip_msg *msg;
- pjsip_tx_data *tdata;
- char buf[128];
- int len;
-
- PJ_UNUSED_ARG(tsx)
-
- pj_assert(rdata->msg->type == PJSIP_REQUEST_MSG &&
- rdata->msg->line.req.method.id == PJSIP_INVITE_METHOD &&
- tsx->method.id == PJSIP_INVITE_METHOD);
-
- /*
- * Notify user!
- */
- PJ_LOG(3, (THIS_FILE, ""));
- PJ_LOG(3, (THIS_FILE, "INCOMING CALL ON DIALOG %s!!", dlg->obj_name));
- PJ_LOG(3, (THIS_FILE, ""));
- len = pjsip_uri_print( PJSIP_URI_IN_FROMTO_HDR,
- (pjsip_name_addr*)dlg->remote.info->uri,
- buf, sizeof(buf)-1);
- if (len > 0) {
- buf[len] = '\0';
- PJ_LOG(3,(THIS_FILE, "From:\t%s", buf));
- }
- len = pjsip_uri_print( PJSIP_URI_IN_FROMTO_HDR,
- (pjsip_name_addr*)dlg->local.info->uri,
- buf, sizeof(buf)-1);
- if (len > 0) {
- buf[len] = '\0';
- PJ_LOG(3,(THIS_FILE, "To:\t%s", buf));
- }
- PJ_LOG(3, (THIS_FILE, "Press 'a' to answer, or 'h' to hangup!!", dlg->obj_name));
- PJ_LOG(3, (THIS_FILE, ""));
-
- /*
- * Process incoming dialog.
- */
-
- dlg_data = pj_pool_calloc(dlg->pool, 1, sizeof(struct dialog_data));
- dlg->user_data = dlg_data;
-
- /* Update contact. */
- pjsip_dlg_set_contact(dlg, &global.contact);
-
- /* Initialize credentials. */
- pjsip_dlg_set_credentials(dlg, global.cred_count, global.cred_info);
-
- /* Create media session if the request has "application/sdp" body. */
- msg = rdata->msg;
- if (msg->body &&
- pj_stricmp2(&msg->body->content_type.type, "application")==0 &&
- pj_stricmp2(&msg->body->content_type.subtype, "sdp")==0)
- {
- pjsdp_session_desc *sdp;
-
- /* Parse SDP body, and instantiate media session based on remote's SDP.
- * Then create our SDP body from the session.
- */
- sdp = pjsdp_parse (msg->body->data, msg->body->len, rdata->pool);
- if (!sdp)
- goto send_answer;
-
- create_session_from_sdp(dlg, sdp);
-
- } else if (msg->body) {
- /* The request has a message body other than "application/sdp" */
- pjsip_accept_hdr *accept;
-
- /* Create response. */
- tdata = pjsip_dlg_answer(dlg, PJSIP_SC_UNSUPPORTED_MEDIA_TYPE);
-
- /* Add "Accept" header. */
- accept = pjsip_accept_hdr_create(tdata->pool);
- accept->values[0] = pj_str("application/sdp");
- accept->count = 1;
- pjsip_msg_add_hdr(tdata->msg, (pjsip_hdr*)accept);
-
- /* Send response. */
- pjsip_dlg_send_msg(dlg, tdata);
- return;
-
- } else {
- /* The request has no message body. We can take this request, but
- * no media session will be activated.
- */
- /* Nothing to do here. */
- }
-
-send_answer:
- /* Immediately answer with 100 (or 180? */
- tdata = pjsip_dlg_answer( dlg, PJSIP_SC_RINGING );
- pjsip_dlg_send_msg(dlg, tdata);
-
- /* Set current dialog to this dialog if we don't currently have
- * current dialog.
- */
- if (global.cur_dlg == NULL) {
- global.cur_dlg = dlg;
- }
-
- /* Auto-answer if option is specified. */
- if (global.auto_answer >= 0) {
- pj_time_val delay = { 0, 0};
- struct dialog_data *dlg_data = dlg->user_data;
-
- PJ_LOG(4, (THIS_FILE, "Scheduling auto-answer in %d seconds",
- global.auto_answer));
-
- delay.sec = global.auto_answer;
- dlg_data->auto_timer.user_data = dlg;
- dlg_data->auto_timer.id = AUTO_ANSWER;
- dlg_data->auto_timer.cb = &dlg_auto_timer_callback;
- dlg_data->has_auto_timer = 1;
- pjsip_endpt_schedule_timer(dlg->ua->endpt, &dlg_data->auto_timer, &delay);
- }
-}
-
-/* This callback is called when dialog has sent/received a provisional response
- * to INVITE.
- */
-static void dlg_on_provisional(pjsip_dlg *dlg, pjsip_transaction *tsx,
- pjsip_event *event)
-{
- const char *action;
-
- pj_assert((event->src_type == PJSIP_EVENT_TX_MSG &&
- event->src.tdata->msg->type == PJSIP_RESPONSE_MSG &&
- event->src.tdata->msg->line.status.code/100 == 1 &&
- tsx->method.id == PJSIP_INVITE_METHOD)
- ||
- (event->src_type == PJSIP_EVENT_RX_MSG &&
- event->src.rdata->msg->type == PJSIP_RESPONSE_MSG &&
- event->src.rdata->msg->line.status.code/100 == 1 &&
- tsx->method.id == PJSIP_INVITE_METHOD));
-
- if (event->src_type == PJSIP_EVENT_TX_MSG)
- action = "Sending";
- else
- action = "Received";
-
- PJ_LOG(3, (THIS_FILE, "Dialog %s: %s %d (%s)",
- dlg->obj_name, action, tsx->status_code,
- pjsip_get_status_text(tsx->status_code)->ptr));
-}
-
-/* This callback is called when 200 response to INVITE is sent/received. */
-static void dlg_on_connecting(pjsip_dlg *dlg, pjsip_event *event)
-{
- struct dialog_data *dlg_data = dlg->user_data;
- const char *action;
-
- pj_assert((event->src_type == PJSIP_EVENT_TX_MSG &&
- event->src.tdata->msg->type == PJSIP_RESPONSE_MSG &&
- event->src.tdata->msg->line.status.code/100 == 2)
- ||
- (event->src_type == PJSIP_EVENT_RX_MSG &&
- event->src.rdata->msg->type == PJSIP_RESPONSE_MSG &&
- event->src.rdata->msg->line.status.code/100 == 2));
-
- if (event->src_type == PJSIP_EVENT_RX_MSG)
- action = "Received";
- else
- action = "Sending";
-
- PJ_LOG(3, (THIS_FILE, "Dialog %s: %s 200 (OK)", dlg->obj_name, action));
-
- if (event->src_type == PJSIP_EVENT_RX_MSG) {
- /* On receipt of 2xx response, negotiate our media capability
- * and start media.
- */
- pjsip_msg *msg = event->src.rdata->msg;
- pjsip_msg_body *body;
- pjsdp_session_desc *sdp;
-
- /* Get SDP from message. */
-
- /* Ignore if no SDP body is present. */
- body = msg->body;
- if (!body) {
- PJ_LOG(3, (THIS_FILE, "Dialog %s: the 200/OK response has no body!",
- dlg->obj_name));
- return;
- }
-
- if (pj_stricmp2(&body->content_type.type, "application") != 0 &&
- pj_stricmp2(&body->content_type.subtype, "sdp") != 0)
- {
- PJ_LOG(3, (THIS_FILE, "Dialog %s: the 200/OK response has no SDP body!",
- dlg->obj_name));
- return;
- }
-
- /* Got what seems to be a SDP content. Parse it. */
- sdp = pjsdp_parse (body->data, body->len, event->src.rdata->pool);
- if (!sdp) {
- PJ_LOG(3, (THIS_FILE, "Dialog %s: SDP syntax error!",
- dlg->obj_name));
- return;
- }
-
- /* Negotiate media session with remote's media capability. */
- if (pj_media_session_update (dlg_data->msession, sdp) != 0) {
- PJ_LOG(3, (THIS_FILE, "Dialog %s: media session update error!",
- dlg->obj_name));
- return;
- }
-
- /* Update the saved SDP body because media session has changed.
- * Also set ack flag to '1', because we only want to send one format/
- * codec for each media streams.
- */
- create_msg_body(dlg, 1);
-
- /* Activate media. */
- pj_media_session_activate (dlg_data->msession);
-
- } else {
- pjsip_msg *msg = event->src.tdata->msg;
-
- if (msg->body) {
- /* On transmission of 2xx response, start media session. */
- pj_media_session_activate (dlg_data->msession);
- }
- }
-
-}
-
-/* This callback is called when ACK to initial INVITE is sent/received. */
-static void dlg_on_established(pjsip_dlg *dlg, pjsip_event *event)
-{
- const char *action;
-
- pj_assert((event->src_type == PJSIP_EVENT_TX_MSG &&
- event->src.tdata->msg->type == PJSIP_REQUEST_MSG &&
- event->src.tdata->msg->line.req.method.id == PJSIP_ACK_METHOD)
- ||
- (event->src_type == PJSIP_EVENT_RX_MSG &&
- event->src.rdata->msg->type == PJSIP_REQUEST_MSG &&
- event->src.rdata->msg->line.req.method.id == PJSIP_ACK_METHOD));
-
- if (event->src_type == PJSIP_EVENT_RX_MSG)
- action = "Received";
- else
- action = "Sending";
-
- PJ_LOG(3, (THIS_FILE, "Dialog %s: %s ACK, dialog is ESTABLISHED",
- dlg->obj_name, action));
-
- /* Attach SDP body for outgoing ACK. */
- if (event->src_type == PJSIP_EVENT_TX_MSG &&
- event->src.tdata->msg->line.req.method.id == PJSIP_ACK_METHOD)
- {
- struct dialog_data *dlg_data = dlg->user_data;
- event->src.tdata->msg->body = dlg_data->body;
- }
-
- /* Auto-hangup if option is specified. */
- if (global.auto_hangup >= 0) {
- pj_time_val delay = { 0, 0};
- struct dialog_data *dlg_data = dlg->user_data;
-
- PJ_LOG(4, (THIS_FILE, "Scheduling auto-hangup in %d seconds",
- global.auto_hangup));
-
- delay.sec = global.auto_hangup;
- dlg_data->auto_timer.user_data = dlg;
- dlg_data->auto_timer.id = AUTO_HANGUP;
- dlg_data->auto_timer.cb = &dlg_auto_timer_callback;
- dlg_data->has_auto_timer = 1;
- pjsip_endpt_schedule_timer(dlg->ua->endpt, &dlg_data->auto_timer, &delay);
- }
-}
-
-
-/* This callback is called when dialog is disconnected (because of final
- * response, BYE, or timer).
- */
-static void dlg_on_disconnected(pjsip_dlg *dlg, pjsip_event *event)
-{
- struct dialog_data *dlg_data = dlg->user_data;
- int status_code;
- const pj_str_t *reason;
-
- PJ_UNUSED_ARG(event)
-
- /* Cancel auto-answer/auto-hangup timer. */
- if (dlg_data->has_auto_timer) {
- pjsip_endpt_cancel_timer(dlg->ua->endpt, &dlg_data->auto_timer);
- dlg_data->has_auto_timer = 0;
- }
-
- if (dlg->invite_tsx)
- status_code = dlg->invite_tsx->status_code;
- else
- status_code = 200;
-
- if (event->obj.tsx->method.id == PJSIP_INVITE_METHOD) {
- if (event->src_type == PJSIP_EVENT_RX_MSG)
- reason = &event->src.rdata->msg->line.status.reason;
- else if (event->src_type == PJSIP_EVENT_TX_MSG)
- reason = &event->src.tdata->msg->line.status.reason;
- else
- reason = pjsip_get_status_text(event->obj.tsx->status_code);
- } else {
- reason = &event->obj.tsx->method.name;
- }
-
- PJ_LOG(3, (THIS_FILE, "Dialog %s: DISCONNECTED! Reason=%d (%.*s)",
- dlg->obj_name, status_code,
- reason->slen, reason->ptr));
-
- if (dlg_data->msession) {
- pj_media_session_destroy (dlg_data->msession);
- dlg_data->msession = NULL;
- }
-}
-
-/* This callback is called when dialog is about to be destroyed. */
-static void dlg_on_terminated(pjsip_dlg *dlg)
-{
- PJ_LOG(3, (THIS_FILE, "Dialog %s: terminated!", dlg->obj_name));
-
- /* If current dialog is equal to this dialog, update it. */
- if (global.cur_dlg == dlg) {
- global.cur_dlg = global.cur_dlg->next;
- if (global.cur_dlg == (void*)&global.user_agent->dlg_list) {
- global.cur_dlg = NULL;
- }
- }
-}
-
-/* This callback is called for any requests when dialog is established. */
-static void dlg_on_mid_call_evt (pjsip_dlg *dlg, pjsip_event *event)
-{
- pjsip_transaction *tsx = event->obj.tsx;
-
- if (event->src_type == PJSIP_EVENT_RX_MSG &&
- event->src.rdata->msg->type == PJSIP_REQUEST_MSG)
- {
- if (event->src.rdata->cseq->method.id == PJSIP_INVITE_METHOD) {
- /* Re-invitation. */
- pjsip_tx_data *tdata;
-
- PJ_LOG(3,(THIS_FILE, "Dialog %s: accepting re-invitation (dummy)",
- dlg->obj_name));
- tdata = pjsip_dlg_answer(dlg, 200);
- if (tdata) {
- struct dialog_data *dlg_data = dlg->user_data;
- tdata->msg->body = dlg_data->body;
- pjsip_dlg_send_msg(dlg, tdata);
- }
- } else {
- /* Don't worry, endpoint will answer with 500 or whetever. */
- }
-
- } else if (tsx->status_code/100 == 2) {
- PJ_LOG(3,(THIS_FILE, "Dialog %s: outgoing %.*s success: %d (%s)",
- dlg->obj_name,
- tsx->method.name.slen, tsx->method.name.ptr,
- tsx->status_code,
- pjsip_get_status_text(tsx->status_code)->ptr));
-
-
- } else if (tsx->status_code >= 300) {
- pj_bool_t report_failure = PJ_TRUE;
-
- /* Check for authentication failures. */
- if (tsx->status_code==401 || tsx->status_code==407) {
- pjsip_tx_data *tdata;
- tdata = pjsip_auth_reinit_req( global.endpt,
- dlg->pool, &dlg->auth_sess,
- dlg->cred_count, dlg->cred_info,
- tsx->last_tx, event->src.rdata );
- if (tdata) {
- int rc;
- rc = pjsip_dlg_send_msg( dlg, tdata);
- report_failure = (rc != 0);
- }
- }
- if (report_failure) {
- const pj_str_t *reason;
- if (event->src_type == PJSIP_EVENT_RX_MSG) {
- reason = &event->src.rdata->msg->line.status.reason;
- } else {
- reason = pjsip_get_status_text(tsx->status_code);
- }
- PJ_LOG(2,(THIS_FILE, "Dialog %s: outgoing request failed: %d (%.*s)",
- dlg->obj_name, tsx->status_code,
- reason->slen, reason->ptr));
- }
- }
-}
-
-/* Initialize sockets and optionally get the public address via STUN. */
-static pj_status_t init_sockets()
-{
- enum {
- RTP_START_PORT = 4000,
- RTP_RANDOM_START = 2,
- RTP_RETRY = 10
- };
- enum {
- SIP_SOCK,
- RTP_SOCK,
- RTCP_SOCK,
- };
- int i;
- int rtp_port;
- pj_sock_t sock[3];
- pj_sockaddr_in mapped_addr[3];
-
- for (i=0; i<3; ++i)
- sock[i] = PJ_INVALID_SOCKET;
-
- /* Create and bind SIP UDP socket. */
- sock[SIP_SOCK] = pj_sock_socket(PJ_AF_INET, PJ_SOCK_DGRAM, 0, 0);
- if (sock[SIP_SOCK] == PJ_INVALID_SOCKET) {
- PJ_LOG(2,(THIS_FILE, "Unable to create socket"));
- goto on_error;
- }
- if (pj_sock_bind_in(sock[SIP_SOCK], 0, (pj_uint16_t)global.sip_port) != 0) {
- PJ_LOG(2,(THIS_FILE, "Unable to bind to SIP port"));
- goto on_error;
- }
-
- /* Initialize start of RTP port to try. */
- rtp_port = RTP_START_PORT + (pj_rand() % RTP_RANDOM_START) / 2;
-
- /* Loop retry to bind RTP and RTCP sockets. */
- for (i=0; i<RTP_RETRY; ++i, rtp_port += 2) {
-
- /* Create and bind RTP socket. */
- sock[RTP_SOCK] = pj_sock_socket(PJ_AF_INET, PJ_SOCK_DGRAM, 0, 0);
- if (sock[RTP_SOCK] == PJ_INVALID_SOCKET)
- goto on_error;
- if (pj_sock_bind_in(sock[RTP_SOCK], 0, (pj_uint16_t)rtp_port) != 0) {
- pj_sock_close(sock[RTP_SOCK]); sock[RTP_SOCK] = PJ_INVALID_SOCKET;
- continue;
- }
-
- /* Create and bind RTCP socket. */
- sock[RTCP_SOCK] = pj_sock_socket(PJ_AF_INET, PJ_SOCK_DGRAM, 0, 0);
- if (sock[RTCP_SOCK] == PJ_INVALID_SOCKET)
- goto on_error;
- if (pj_sock_bind_in(sock[RTCP_SOCK], 0, (pj_uint16_t)(rtp_port+1)) != 0) {
- pj_sock_close(sock[RTP_SOCK]); sock[RTP_SOCK] = PJ_INVALID_SOCKET;
- pj_sock_close(sock[RTCP_SOCK]); sock[RTCP_SOCK] = PJ_INVALID_SOCKET;
- continue;
- }
-
- /*
- * If we're configured to use STUN, then find out the mapped address,
- * and make sure that the mapped RTCP port is adjacent with the RTP.
- */
- if (global.stun_port1 == 0) {
- pj_str_t hostname;
- pj_sockaddr_in addr;
-
- /* Get local IP address. */
- char hostname_buf[PJ_MAX_HOSTNAME];
- if (gethostname(hostname_buf, sizeof(hostname_buf)))
- goto on_error;
- hostname = pj_str(hostname_buf);
-
- pj_memset( &addr, 0, sizeof(addr));
- addr.sin_family = PJ_AF_INET;
- if (pj_sockaddr_set_str_addr( &addr, &hostname) != PJ_SUCCESS)
- goto on_error;
-
- for (i=0; i<3; ++i)
- pj_memcpy(&mapped_addr[i], &addr, sizeof(addr));
-
- mapped_addr[SIP_SOCK].sin_port = pj_htons((pj_uint16_t)global.sip_port);
- mapped_addr[RTP_SOCK].sin_port = pj_htons((pj_uint16_t)rtp_port);
- mapped_addr[RTCP_SOCK].sin_port = pj_htons((pj_uint16_t)(rtp_port+1));
- break;
- } else {
- pj_status_t rc;
- rc = pj_stun_get_mapped_addr( global.pf, 3, sock,
- &global.stun_srv1, global.stun_port1,
- &global.stun_srv2, global.stun_port2,
- mapped_addr);
- if (rc != 0) {
- PJ_LOG(3,(THIS_FILE, "Error: %s", pj_stun_get_err_msg(rc)));
- goto on_error;
- }
-
- if (pj_ntohs(mapped_addr[2].sin_port) == pj_ntohs(mapped_addr[1].sin_port)+1)
- break;
-
- pj_sock_close(sock[RTP_SOCK]); sock[RTP_SOCK] = PJ_INVALID_SOCKET;
- pj_sock_close(sock[RTCP_SOCK]); sock[RTCP_SOCK] = PJ_INVALID_SOCKET;
- }
- }
-
- if (sock[RTP_SOCK] == PJ_INVALID_SOCKET) {
- PJ_LOG(2,(THIS_FILE, "Unable to find appropriate RTP/RTCP ports combination"));
- goto on_error;
- }
-
- global.sip_sock = sock[SIP_SOCK];
- pj_memcpy(&global.sip_sock_name, &mapped_addr[SIP_SOCK], sizeof(pj_sockaddr_in));
- global.rtp_sock = sock[RTP_SOCK];
- pj_memcpy(&global.rtp_sock_name, &mapped_addr[RTP_SOCK], sizeof(pj_sockaddr_in));
- global.rtcp_sock = sock[RTCP_SOCK];
- pj_memcpy(&global.rtcp_sock_name, &mapped_addr[RTCP_SOCK], sizeof(pj_sockaddr_in));
-
- PJ_LOG(4,(THIS_FILE, "SIP UDP socket reachable at %s:%d",
- pj_inet_ntoa(global.sip_sock_name.sin_addr),
- pj_ntohs(global.sip_sock_name.sin_port)));
- PJ_LOG(4,(THIS_FILE, "RTP socket reachable at %s:%d",
- pj_inet_ntoa(global.rtp_sock_name.sin_addr),
- pj_ntohs(global.rtp_sock_name.sin_port)));
- PJ_LOG(4,(THIS_FILE, "RTCP UDP socket reachable at %s:%d",
- pj_inet_ntoa(global.rtcp_sock_name.sin_addr),
- pj_ntohs(global.rtcp_sock_name.sin_port)));
- return 0;
-
-on_error:
- for (i=0; i<3; ++i) {
- if (sock[i] != PJ_INVALID_SOCKET)
- pj_sock_close(sock[i]);
- }
- return -1;
-}
-
-static void log_function(int level, const char *buffer, int len)
-{
- /* Write to both stdout and file. */
- if (level <= global.app_log_level)
- pj_log_to_stdout(level, buffer, len);
- if (global.log_file) {
- fwrite(buffer, len, 1, global.log_file);
- fflush(global.log_file);
- }
-}
-
-/* Initialize stack. */
-static pj_status_t init_stack()
-{
- pj_status_t status;
- pj_sockaddr_in bind_addr;
- pj_sockaddr_in bind_name;
- const char *local_addr;
- static char local_uri[128];
-
- /* Optionally set logging file. */
- if (global.log_filename) {
- global.log_file = fopen(global.log_filename, "wt");
- }
-
- /* Initialize endpoint. This will also call initialization to all the
- * modules.
- */
- global.endpt = pjsip_endpt_create(global.pf);
- if (global.endpt == NULL) {
- return -1;
- }
-
- /* Set dialog callback. */
- pjsip_ua_set_dialog_callback(global.user_agent, &dlg_callback);
-
- /* Init listener's bound address and port. */
- pj_sockaddr_init2(&bind_addr, "0.0.0.0", global.sip_port);
- pj_sockaddr_init(&bind_name, pj_gethostname(), global.sip_port);
-
- /* Add UDP transport listener. */
- status = pjsip_endpt_create_udp_listener( global.endpt, global.sip_sock,
- &global.sip_sock_name);
- if (status != 0)
- return -1;
-
- local_addr = pj_inet_ntoa(global.sip_sock_name.sin_addr);
-
-#if PJ_HAS_TCP
- /* Add TCP transport listener. */
- status = pjsip_endpt_create_listener( global.endpt, PJSIP_TRANSPORT_TCP,
- &bind_addr, &bind_name);
- if (status != 0)
- return -1;
-#endif
-
- /* Determine user_id to be put in Contact */
- if (global.local_uri.slen) {
- pj_pool_t *pool = pj_pool_create(global.pf, "parser", 1024, 0, NULL);
- pjsip_uri *uri;
-
- uri = pjsip_parse_uri(pool, global.local_uri.ptr, global.local_uri.slen, 0);
- if (uri) {
- if (pj_stricmp2(pjsip_uri_get_scheme(uri), "sip")==0) {
- pjsip_url *url = (pjsip_url*)pjsip_uri_get_uri(uri);
- if (url->user.slen)
- strncpy(global.user_id, url->user.ptr, url->user.slen);
- }
- }
- pj_pool_release(pool);
- }
-
- if (global.user_id[0]=='\0') {
- pj_native_strcpy(global.user_id, "user");
- }
-
- /* build contact */
- global.real_contact.ptr = local_uri;
- global.real_contact.slen =
- sprintf(local_uri, "<sip:%s@%s:%d>", global.user_id, local_addr, global.sip_port);
-
- if (global.contact.slen == 0)
- global.contact = global.real_contact;
-
- /* initialize local_uri with contact if it's not specified in cmdline */
- if (global.local_uri.slen == 0)
- global.local_uri = global.contact;
-
- /* Init proxy. */
- if (global.proxy.slen || global.outbound_proxy.slen) {
- int count = 0;
- pj_str_t proxy_url[2];
-
- if (global.outbound_proxy.slen) {
- proxy_url[count++] = global.outbound_proxy;
- }
- if (global.proxy.slen) {
- proxy_url[count++] = global.proxy;
- }
-
- if (pjsip_endpt_set_proxies(global.endpt, count, proxy_url) != 0) {
- PJ_LOG(2,(THIS_FILE, "Error setting proxy address!"));
- return -1;
- }
- }
-
- /* initialize SIP registration if registrar is configured */
- if (global.registrar_uri.slen) {
- global.regc = pjsip_regc_create( global.endpt, NULL, ®c_cb);
- pjsip_regc_init( global.regc, &global.registrar_uri,
- &global.local_uri,
- &global.local_uri,
- 1, &global.contact,
- global.reg_timeout);
- pjsip_regc_set_credentials( global.regc, global.cred_count, global.cred_info );
- }
-
- return PJ_SUCCESS;
-}
-
-/* Worker thread function, only used when threading is enabled. */
-static void *PJ_THREAD_FUNC worker_thread(void *unused)
-{
- PJ_UNUSED_ARG(unused)
-
- while (!global.worker_quit_flag) {
- pj_time_val timeout = { 0, 10 };
- pjsip_endpt_handle_events (global.endpt, &timeout);
- }
- return NULL;
-}
-
-
-/* Make call to the specified URI. */
-static pjsip_dlg *make_call(pj_str_t *remote_uri)
-{
- pjsip_dlg *dlg;
- pj_str_t local = global.contact;
- pj_str_t remote = *remote_uri;
- struct dialog_data *dlg_data;
- pjsip_tx_data *tdata;
- pj_media_sock_info sock_info;
-
- /* Create new dialog instance. */
- dlg = pjsip_ua_create_dialog(global.user_agent, PJSIP_ROLE_UAC);
-
- /* Attach our own user data. */
- dlg_data = pj_pool_calloc(dlg->pool, 1, sizeof(struct dialog_data));
- dlg->user_data = dlg_data;
-
- /* Create media session. */
- pj_memset(&sock_info, 0, sizeof(sock_info));
- sock_info.rtp_sock = global.rtp_sock;
- sock_info.rtcp_sock = global.rtcp_sock;
- pj_memcpy(&sock_info.rtp_addr_name, &global.rtp_sock_name, sizeof(pj_sockaddr_in));
-
- dlg_data->msession = pj_media_session_create (global.mmgr, &sock_info);
- dlg_data->x_ms_msg_session = -1;
-
- if (global.offer_x_ms_msg) {
- const pj_media_stream_info *minfo[32];
- unsigned cnt;
-
- cnt = pj_media_session_enum_streams(dlg_data->msession, 32, minfo);
- if (cnt > 0)
- dlg_data->x_ms_msg_session = cnt;
- }
-
- /* Initialize dialog with local and remote URI. */
- if (pjsip_dlg_init(dlg, &local, &remote, NULL) != PJ_SUCCESS) {
- pjsip_ua_destroy_dialog(dlg);
- return NULL;
- }
-
- /* Initialize credentials. */
- pjsip_dlg_set_credentials(dlg, global.cred_count, global.cred_info);
-
- /* Send INVITE! */
- tdata = pjsip_dlg_invite(dlg);
- tdata->msg->body = create_msg_body (dlg, 0);
-
- if (pjsip_dlg_send_msg(dlg, tdata) != PJ_SUCCESS) {
- pjsip_ua_destroy_dialog(dlg);
- return NULL;
- }
-
- return dlg;
-}
-
-/*
- * Callback to receive incoming IM message.
- */
-static int on_incoming_im_msg(pjsip_rx_data *rdata)
-{
- pjsip_msg *msg = rdata->msg;
- pjsip_msg_body *body = msg->body;
- int len;
- char to[128], from[128];
-
-
- len = pjsip_uri_print( PJSIP_URI_IN_CONTACT_HDR,
- rdata->from->uri, from, sizeof(from));
- if (len > 0) from[len] = '\0';
- else pj_native_strcpy(from, "<URL too long..>");
-
- len = pjsip_uri_print( PJSIP_URI_IN_CONTACT_HDR,
- rdata->to->uri, to, sizeof(to));
- if (len > 0) to[len] = '\0';
- else pj_native_strcpy(to, "<URL too long..>");
-
- PJ_LOG(3,(THIS_FILE, "Incoming instant message:"));
-
- printf("----- BEGIN INSTANT MESSAGE ----->\n");
- printf("From:\t%s\n", from);
- printf("To:\t%s\n", to);
- printf("Body:\n%.*s\n", (body ? body->len : 0), (body ? (char*)body->data : ""));
- printf("<------ END INSTANT MESSAGE ------\n");
-
- fflush(stdout);
-
- /* Must answer with final response. */
- return 200;
-}
-
-/*
- * Input URL.
- */
-static pj_str_t *ui_input_url(pj_str_t *out, char *buf, int len, int *selection)
-{
- int i;
-
- *selection = -1;
-
- printf("\nBuddy list:\n");
- printf("---------------------------------------\n");
- for (i=0; i<global.buddy_cnt; ++i) {
- printf(" %d\t%s <%s>\n", i+1, global.buddy[i].ptr,
- (global.buddy_status[i]?"Online":"Offline"));
- }
- printf("-------------------------------------\n");
-
- printf("Choices\n"
- "\t0 For current dialog.\n"
- "\t[1-%02d] Select from buddy list\n"
- "\tURL An URL\n"
- , global.buddy_cnt);
- printf("Input: ");
-
- fflush(stdout);
- fgets(buf, len, stdin);
- buf[strlen(buf)-1] = '\0'; /* remove trailing newline. */
-
- while (isspace(*buf)) ++buf;
-
- if (!*buf || *buf=='\n' || *buf=='\r')
- return NULL;
-
- i = atoi(buf);
-
- if (i == 0) {
- if (isdigit(*buf)) {
- *selection = 0;
- *out = pj_str("0");
- return out;
- } else {
- if (verify_sip_url(buf) != 0) {
- puts("Invalid URL specified!");
- return NULL;
- }
- *out = pj_str(buf);
- return out;
- }
- } else if (i > global.buddy_cnt || i < 0) {
- printf("Error: invalid selection!\n");
- return NULL;
- } else {
- *out = global.buddy[i-1];
- *selection = i;
- return out;
- }
-}
-
-
-static void generic_request_callback( void *token, pjsip_event *event )
-{
- pjsip_transaction *tsx = event->obj.tsx;
-
- PJ_UNUSED_ARG(token)
-
- if (tsx->status_code/100 == 2) {
- PJ_LOG(3,(THIS_FILE, "Outgoing %.*s %d (%s)",
- event->obj.tsx->method.name.slen,
- event->obj.tsx->method.name.ptr,
- tsx->status_code,
- pjsip_get_status_text(tsx->status_code)->ptr));
- } else if (tsx->status_code==401 || tsx->status_code==407) {
- pjsip_tx_data *tdata;
- tdata = pjsip_auth_reinit_req( global.endpt,
- global.pool, NULL, global.cred_count, global.cred_info,
- tsx->last_tx, event->src.rdata);
- if (tdata) {
- int rc;
- pjsip_cseq_hdr *cseq;
- cseq = (pjsip_cseq_hdr*)pjsip_msg_find_hdr(tdata->msg, PJSIP_H_CSEQ, NULL);
- cseq->cseq++;
- rc = pjsip_endpt_send_request( global.endpt, tdata, -1, NULL,
- &generic_request_callback);
- if (rc == 0)
- return;
- }
- PJ_LOG(2,(THIS_FILE, "Outgoing %.*s failed, status=%d (%s)",
- event->obj.tsx->method.name.slen,
- event->obj.tsx->method.name.ptr,
- event->obj.tsx->status_code,
- pjsip_get_status_text(event->obj.tsx->status_code)->ptr));
- } else {
- const pj_str_t *reason;
- if (event->src_type == PJSIP_EVENT_RX_MSG)
- reason = &event->src.rdata->msg->line.status.reason;
- else
- reason = pjsip_get_status_text(tsx->status_code);
- PJ_LOG(2,(THIS_FILE, "Outgoing %.*s failed, status=%d (%.*s)",
- event->obj.tsx->method.name.slen,
- event->obj.tsx->method.name.ptr,
- event->obj.tsx->status_code,
- reason->slen, reason->ptr));
- }
-}
-
-
-static void ui_send_im_message()
-{
- char line[100];
- char text_buf[100];
- pj_str_t str;
- pj_str_t text_msg;
- int selection, rc;
- pjsip_tx_data *tdata;
-
- if (ui_input_url(&str, line, sizeof(line), &selection) == NULL)
- return;
-
-
- printf("Enter text to send (empty to cancel): "); fflush(stdout);
- fgets(text_buf, sizeof(text_buf), stdin);
- text_buf[strlen(text_buf)-1] = '\0';
- if (!*text_buf)
- return;
-
- text_msg = pj_str(text_buf);
-
- if (selection==0) {
- pjsip_method message_method;
- pj_str_t str_MESSAGE = { "MESSAGE", 7 };
-
- /* Send IM to current dialog. */
- if (global.cur_dlg == NULL || global.cur_dlg->state != PJSIP_DIALOG_STATE_ESTABLISHED) {
- printf("No current dialog or dialog state is not ESTABLISHED!\n");
- return;
- }
-
- pjsip_method_init( &message_method, global.cur_dlg->pool, &str_MESSAGE);
- tdata = pjsip_dlg_create_request( global.cur_dlg, &message_method, -1 );
-
- if (tdata) {
- /* Create message body for the text. */
- pjsip_msg_body *body = pj_pool_calloc(tdata->pool, 1, sizeof(*body));
- body->content_type.type = pj_str("text");
- body->content_type.subtype = pj_str("plain");
- body->data = pj_pool_alloc(tdata->pool, text_msg.slen);
- pj_memcpy(body->data, text_msg.ptr, text_msg.slen);
- body->len = text_msg.slen;
- body->print_body = &pjsip_print_text_body;
-
- /* Assign body to message, and send the message! */
- tdata->msg->body = body;
- pjsip_dlg_send_msg( global.cur_dlg, tdata );
- }
-
- } else {
- /* Send IM to buddy list. */
- pjsip_method message;
- static pj_str_t MESSAGE = { "MESSAGE", 7 };
- pjsip_method_init_np(&message, &MESSAGE);
- tdata = pjsip_endpt_create_request(global.endpt, &message,
- &str,
- &global.real_contact,
- &str, &global.real_contact, NULL, -1,
- &text_msg);
- if (!tdata) {
- puts("Error creating request");
- return;
- }
- rc = pjsip_endpt_send_request(global.endpt, tdata, -1, NULL, &generic_request_callback);
- if (rc == 0) {
- printf("Sending IM message %d\n", global.im_counter);
- ++global.im_counter;
- } else {
- printf("Error: unable to send IM message!\n");
- }
- }
-}
-
-static void ui_send_options()
-{
- char line[100];
- pj_str_t str;
- int selection, rc;
- pjsip_tx_data *tdata;
- pjsip_method options;
-
- if (ui_input_url(&str, line, sizeof(line), &selection) == NULL)
- return;
-
- pjsip_method_set( &options, PJSIP_OPTIONS_METHOD );
-
- if (selection == 0) {
- /* Send OPTIONS to current dialog. */
- tdata = pjsip_dlg_create_request(global.cur_dlg, &options, -1);
- if (tdata)
- pjsip_dlg_send_msg( global.cur_dlg, tdata );
- } else {
- /* Send OPTIONS to arbitrary party. */
- tdata = pjsip_endpt_create_request( global.endpt, &options,
- &str,
- &global.local_uri, &str,
- &global.real_contact,
- NULL, -1, NULL);
- if (tdata) {
- rc = pjsip_endpt_send_request( global.endpt, tdata, -1, NULL,
- &generic_request_callback);
- if (rc != 0)
- PJ_LOG(2,(THIS_FILE, "Error sending OPTIONS!"));
- }
- }
-}
-
-static void init_presence()
-{
- const pjsip_presence_cb pres_cb = {
- NULL,
- &pres_on_received_request,
- &pres_on_received_refresh,
- &pres_on_received_update,
- &pres_on_terminated
- };
-
- pjsip_presence_init(&pres_cb);
-}
-
-/* Subscribe presence information for all buddies. */
-static void subscribe_buddies_presence()
-{
- int i;
- for (i=0; i<global.buddy_cnt; ++i) {
- pjsip_presentity *pres;
- if (global.buddy_pres[i])
- continue;
- pres = pjsip_presence_create( global.endpt, &global.local_uri,
- &global.buddy[i], PRESENCE_TIMEOUT, (void*)i);
- if (pres) {
- pjsip_presence_set_credentials( pres, global.cred_count, global.cred_info );
- pjsip_presence_subscribe( pres );
- }
- global.buddy_pres[i] = pres;
- }
-}
-
-/* Unsubscribe presence information for all buddies. */
-static void unsubscribe_buddies_presence()
-{
- int i;
- for (i=0; i<global.buddy_cnt; ++i) {
- pjsip_presentity *pres = global.buddy_pres[i];
- if (pres) {
- pjsip_presence_unsubscribe(pres);
- pjsip_presence_destroy(pres);
- global.buddy_pres[i] = NULL;
- }
- }
-}
-
-/* Unsubscribe presence. */
-static void unsubscribe_presence()
-{
- int i;
-
- unsubscribe_buddies_presence();
- for (i=0; i<global.pres_cnt; ++i) {
- pjsip_presentity *pres = global.pres[i];
- pjsip_presence_notify( pres, PJSIP_EVENT_SUB_STATE_TERMINATED, 0);
- pjsip_presence_destroy( pres );
- }
-}
-
-/* Advertise online status to subscribers. */
-static void update_im_status()
-{
- int i;
- for (i=0; i<global.pres_cnt; ++i) {
- pjsip_presentity *pres = global.pres[i];
- pjsip_presence_notify( pres, PJSIP_EVENT_SUB_STATE_ACTIVE,
- !global.hide_status);
- }
-}
-
-/*
- * Main program.
- */
-int main(int argc, char *argv[])
-{
- /* set to WORKER_COUNT+1 to avoid zero size warning
- * when threading is disabled. */
- pj_thread_t *thread[WORKER_COUNT+1];
- pj_caching_pool cp;
- int i;
-
- global.sip_port = 5060;
- global.auto_answer = -1;
- global.auto_hangup = -1;
- global.app_log_level = 3;
-
- pj_log_set_level(4);
- pj_log_set_log_func(&log_function);
-
- /* Init PJLIB */
- if (pj_init() != PJ_SUCCESS)
- return 1;
-
- /* Init caching pool. */
- pj_caching_pool_init(&cp, &pj_pool_factory_default_policy, 0);
- global.pf = &cp.factory;
-
- /* Create memory pool for application. */
- global.pool = pj_pool_create(global.pf, "main", 1024, 0, NULL);
-
- /* Parse command line arguments. */
- if (parse_args(global.pool, argc, argv) != PJ_SUCCESS) {
- pj_caching_pool_destroy(&cp);
- return 1;
- }
-
- /* Init sockets */
- if (init_sockets() != 0) {
- pj_caching_pool_destroy(&cp);
- return 1;
- }
-
- /* Initialize stack. */
- if (init_stack() != PJ_SUCCESS) {
- pj_caching_pool_destroy(&cp);
- return 1;
- }
-
- /* Set callback to receive incoming IM */
- pjsip_messaging_set_incoming_callback( &on_incoming_im_msg );
-
- /* Set default worker count (can be zero) */
- global.worker_cnt = WORKER_COUNT;
-
- /* Create user worker thread(s), only when threading is enabled. */
- for (i=0; i<global.worker_cnt; ++i) {
- thread[i] = pj_thread_create( global.pool, "sip%p",
- &worker_thread,
- NULL, 0, NULL, 0);
- if (thread == NULL) {
- global.worker_quit_flag = 1;
- for (--i; i>=0; --i) {
- pj_thread_join(thread[i]);
- pj_thread_destroy(thread[i]);
- }
- pj_caching_pool_destroy(&cp);
- return 1;
- }
- }
-
- printf("Worker thread count: %d\n", global.worker_cnt);
-
- /* Perform registration, if required. */
- if (global.regc) {
- update_registration(global.regc, 1);
- }
-
- /* Initialize media manager. */
- global.mmgr = pj_med_mgr_create(global.pf);
-
- /* Init presence. */
- init_presence();
-
- /* Subscribe presence information of all buddies. */
- if (!global.no_presence)
- subscribe_buddies_presence();
-
- /* Initializatio completes, loop waiting for commands. */
- for (;!global.worker_quit_flag;) {
- pj_str_t str;
- char line[128];
-
-#if WORKER_COUNT==0
- /* If worker thread does not exist, main thread must poll for evetns.
- * But this won't work very well since main thread is blocked by
- * fgets(). So keep pressing the ENTER key to get the events!
- */
- pj_time_val timeout = { 0, 100 };
- pjsip_endpt_handle_events(global.endpt, &timeout);
- puts("Keep pressing ENTER key to get the events!");
-#endif
-
- printf("\nCurrent dialog: ");
- print_dialog(global.cur_dlg);
- puts("");
-
- keystroke_help();
-
- fgets(line, sizeof(line), stdin);
-
- switch (*line) {
- case 'm':
- puts("Make outgoing call");
- if (ui_input_url(&str, line, sizeof(line), &i) != NULL) {
- pjsip_dlg *dlg = make_call(&str);
- if (global.cur_dlg == NULL) {
- global.cur_dlg = dlg;
- }
- }
- break;
- case 'i':
- puts("Send Instant Messaging");
- ui_send_im_message();
- break;
- case 'o':
- puts("Send OPTIONS");
- ui_send_options();
- break;
- case 'a':
- if (global.cur_dlg) {
- unsigned code;
- pjsip_tx_data *tdata;
- struct dialog_data *dlg_data = global.cur_dlg->user_data;
-
- printf("Answer with status code (1xx-6xx): ");
- fflush(stdout);
- fgets(line, sizeof(line), stdin);
- str = pj_str(line);
- str.slen -= 1;
-
- code = pj_strtoul(&str);
- tdata = pjsip_dlg_answer(global.cur_dlg, code);
- if (tdata) {
- if (code/100 == 2) {
- tdata->msg->body = dlg_data->body;
- }
- pjsip_dlg_send_msg(global.cur_dlg, tdata);
-
- }
- } else {
- puts("No current dialog");
- }
- break;
- case 'h':
- if (global.cur_dlg) {
- pjsip_tx_data *tdata;
- tdata = pjsip_dlg_disconnect(global.cur_dlg, PJSIP_SC_DECLINE);
- if (tdata) {
- pjsip_dlg_send_msg(global.cur_dlg, tdata);
- }
- } else {
- puts("No current dialog");
- }
- break;
- case ']':
- if (global.cur_dlg) {
- global.cur_dlg = global.cur_dlg->next;
- if (global.cur_dlg == (void*)&global.user_agent->dlg_list) {
- global.cur_dlg = global.cur_dlg->next;
- }
- } else {
- puts("No current dialog");
- }
- break;
- case '[':
- if (global.cur_dlg) {
- global.cur_dlg = global.cur_dlg->prev;
- if (global.cur_dlg == (void*)&global.user_agent->dlg_list) {
- global.cur_dlg = global.cur_dlg->prev;
- }
- } else {
- puts("No current dialog");
- }
- break;
- case 'd':
- pjsip_endpt_dump(global.endpt, *(line+1)=='1');
- pjsip_ua_dump(global.user_agent);
- break;
- case 's':
- if (*(line+1) == 'u')
- subscribe_buddies_presence();
- break;
- case 'u':
- if (*(line+1) == 's')
- unsubscribe_presence();
- break;
- case 't':
- global.hide_status = !global.hide_status;
- update_im_status();
- break;
- case 'q':
- goto on_exit;
- case 'l':
- print_all_dialogs();
- break;
- }
- }
-
-on_exit:
- /* Unregister, if required. */
- if (global.regc) {
- update_registration(global.regc, 0);
- }
-
- /* Unsubscribe presence. */
- unsubscribe_presence();
-
- /* Allow one second to get all events. */
- if (1) {
- pj_time_val end_time;
-
- pj_gettimeofday(&end_time);
- end_time.sec++;
-
- PJ_LOG(3,(THIS_FILE, "Shutting down.."));
- for (;;) {
- pj_time_val timeout = { 0, 20 }, now;
- pjsip_endpt_handle_events (global.endpt, &timeout);
- pj_gettimeofday(&now);
- PJ_TIME_VAL_SUB(now, end_time);
- if (now.sec >= 1)
- break;
- }
- }
-
- global.worker_quit_flag = 1;
-
- pj_med_mgr_destroy(global.mmgr);
-
- /* Wait all threads to quit. */
- for (i=0; i<global.worker_cnt; ++i) {
- pj_thread_join(thread[i]);
- pj_thread_destroy(thread[i]);
- }
-
- /* Destroy endpoint. */
- pjsip_endpt_destroy(global.endpt);
-
- /* Destroy caching pool. */
- pj_caching_pool_destroy(&cp);
-
- /* Close log file, if any. */
- if (global.log_file)
- fclose(global.log_file);
-
- return 0;
-}
-
-/*
- * Register static modules to the endpoint.
- */
-pj_status_t register_static_modules( pj_size_t *count,
- pjsip_module **modules )
-{
- /* Reset count. */
- *count = 0;
-
- /* Register user agent module. */
- modules[(*count)++] = pjsip_ua_get_module();
- global.user_agent = modules[0]->mod_data;
- modules[(*count)++] = pjsip_messaging_get_module();
- modules[(*count)++] = pjsip_event_sub_get_module();
-
- return PJ_SUCCESS;
-}
+/* $Id$ */
+/*
+ * Copyright (C) 2003-2006 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 <pjlib.h>
+#include <pjsip_core.h>
+#include <pjsip_ua.h>
+#include <pjsip_simple.h>
+#include <pjmedia.h>
+#include <ctype.h>
+#include <stdlib.h>
+#include <pj/stun.h>
+
+#define START_PORT 5060
+#define MAX_BUDDIES 32
+#define THIS_FILE "main.c"
+#define MAX_PRESENTITY 32
+#define PRESENCE_TIMEOUT 60
+
+/* By default we'll have one worker thread, except when threading
+ * is disabled.
+ */
+#if PJ_HAS_THREADS
+# define WORKER_COUNT 1
+#else
+# define WORKER_COUNT 0
+#endif
+
+/* Global variable. */
+static struct
+{
+ /* Control. */
+ pj_pool_factory *pf;
+ pjsip_endpoint *endpt;
+ pj_pool_t *pool;
+ pjsip_user_agent *user_agent;
+ int worker_cnt;
+ int worker_quit_flag;
+
+ /* User info. */
+ char user_id[64];
+ pj_str_t local_uri;
+ pj_str_t contact;
+ pj_str_t real_contact;
+
+ /* Dialog. */
+ pjsip_dlg *cur_dlg;
+
+ /* Authentication. */
+ int cred_count;
+ pjsip_cred_info cred_info[4];
+
+ /* Media stack. */
+ pj_bool_t null_audio;
+ pj_med_mgr_t *mmgr;
+
+ /* Misc. */
+ int app_log_level;
+ char *log_filename;
+ FILE *log_file;
+
+ /* Proxy URLs */
+ pj_str_t proxy;
+ pj_str_t outbound_proxy;
+
+ /* UA auto options. */
+ int auto_answer; /* -1 to disable. */
+ int auto_hangup; /* -1 to disable */
+
+ /* Registration. */
+ pj_str_t registrar_uri;
+ pjsip_regc *regc;
+ pj_int32_t reg_timeout;
+ pj_timer_entry regc_timer;
+
+ /* STUN */
+ pj_str_t stun_srv1;
+ int stun_port1;
+ pj_str_t stun_srv2;
+ int stun_port2;
+
+ /* UDP sockets and their public address. */
+ int sip_port;
+ pj_sock_t sip_sock;
+ pj_sockaddr_in sip_sock_name;
+ pj_sock_t rtp_sock;
+ pj_sockaddr_in rtp_sock_name;
+ pj_sock_t rtcp_sock;
+ pj_sockaddr_in rtcp_sock_name;
+
+ /* SIMPLE */
+ pj_bool_t hide_status;
+ pj_bool_t offer_x_ms_msg;
+ int im_counter;
+ int buddy_cnt;
+ pj_str_t buddy[MAX_BUDDIES];
+ pj_bool_t buddy_status[MAX_BUDDIES];
+ pj_bool_t no_presence;
+ pjsip_presentity *buddy_pres[MAX_BUDDIES];
+
+ int pres_cnt;
+ pjsip_presentity *pres[MAX_PRESENTITY];
+
+} global;
+
+enum { AUTO_ANSWER, AUTO_HANGUP };
+
+/* This is the data that will be 'attached' on per dialog basis. */
+struct dialog_data
+{
+ /* Media session. */
+ pj_media_session_t *msession;
+
+ /* x-ms-chat session. */
+ pj_bool_t x_ms_msg_session;
+
+ /* Cached SDP body, updated when media session changed. */
+ pjsip_msg_body *body;
+
+ /* Timer. */
+ pj_bool_t has_auto_timer;
+ pj_timer_entry auto_timer;
+};
+
+/*
+ * These are the callbacks to be registered to dialog to receive notifications
+ * about various events in the dialog.
+ */
+static void dlg_on_all_events (pjsip_dlg *dlg, pjsip_dlg_event_e dlg_evt,
+ pjsip_event *event );
+static void dlg_on_before_tx (pjsip_dlg *dlg, pjsip_transaction *tsx,
+ pjsip_tx_data *tdata, int retransmission);
+static void dlg_on_tx_msg (pjsip_dlg *dlg, pjsip_transaction *tsx,
+ pjsip_tx_data *tdata);
+static void dlg_on_rx_msg (pjsip_dlg *dlg, pjsip_transaction *tsx,
+ pjsip_rx_data *rdata);
+static void dlg_on_incoming (pjsip_dlg *dlg, pjsip_transaction *tsx,
+ pjsip_rx_data *rdata);
+static void dlg_on_calling (pjsip_dlg *dlg, pjsip_transaction *tsx,
+ pjsip_tx_data *tdata);
+static void dlg_on_provisional (pjsip_dlg *dlg, pjsip_transaction *tsx,
+ pjsip_event *event);
+static void dlg_on_connecting (pjsip_dlg *dlg, pjsip_event *event);
+static void dlg_on_established (pjsip_dlg *dlg, pjsip_event *event);
+static void dlg_on_disconnected (pjsip_dlg *dlg, pjsip_event *event);
+static void dlg_on_terminated (pjsip_dlg *dlg);
+static void dlg_on_mid_call_evt (pjsip_dlg *dlg, pjsip_event *event);
+
+/* The callback structure that will be registered to UA layer. */
+struct pjsip_dlg_callback dlg_callback = {
+ &dlg_on_all_events,
+ &dlg_on_before_tx,
+ &dlg_on_tx_msg,
+ &dlg_on_rx_msg,
+ &dlg_on_incoming,
+ &dlg_on_calling,
+ &dlg_on_provisional,
+ &dlg_on_connecting,
+ &dlg_on_established,
+ &dlg_on_disconnected,
+ &dlg_on_terminated,
+ &dlg_on_mid_call_evt
+};
+
+
+/*
+ * Auxiliary things are put in misc.c, so that this main.c file is more
+ * readable.
+ */
+#include "misc.c"
+
+static void dlg_auto_timer_callback( pj_timer_heap_t *timer_heap,
+ struct pj_timer_entry *entry)
+{
+ pjsip_dlg *dlg = entry->user_data;
+ struct dialog_data *dlg_data = dlg->user_data;
+
+ PJ_UNUSED_ARG(timer_heap)
+
+ dlg_data->has_auto_timer = 0;
+
+ if (entry->id == AUTO_ANSWER) {
+ pjsip_tx_data *tdata = pjsip_dlg_answer(dlg, 200);
+ if (tdata) {
+ struct dialog_data *dlg_data = global.cur_dlg->user_data;
+ tdata->msg->body = dlg_data->body;
+ pjsip_dlg_send_msg(dlg, tdata);
+ }
+ } else {
+ pjsip_tx_data *tdata = pjsip_dlg_disconnect(dlg, 500);
+ if (tdata)
+ pjsip_dlg_send_msg(dlg, tdata);
+ }
+}
+
+static void update_registration(pjsip_regc *regc, int renew)
+{
+ pjsip_tx_data *tdata;
+
+ PJ_LOG(3,(THIS_FILE, "Performing SIP registration..."));
+
+ if (renew) {
+ tdata = pjsip_regc_register(regc, 1);
+ } else {
+ tdata = pjsip_regc_unregister(regc);
+ }
+
+ pjsip_regc_send( regc, tdata );
+}
+
+static void regc_cb(struct pjsip_regc_cbparam *param)
+{
+ /*
+ * Print registration status.
+ */
+ if (param->code < 0 || param->code >= 300) {
+ PJ_LOG(2, (THIS_FILE, "SIP registration failed, status=%d (%s)",
+ param->code, pjsip_get_status_text(param->code)->ptr));
+ global.regc = NULL;
+
+ } else if (PJSIP_IS_STATUS_IN_CLASS(param->code, 200)) {
+ PJ_LOG(3, (THIS_FILE, "SIP registration success, status=%d (%s), "
+ "will re-register in %d seconds",
+ param->code,
+ pjsip_get_status_text(param->code)->ptr,
+ param->expiration));
+
+ } else {
+ PJ_LOG(4, (THIS_FILE, "SIP registration updated status=%d", param->code));
+ }
+}
+
+static void pres_on_received_request(pjsip_presentity *pres, pjsip_rx_data *rdata,
+ int *timeout)
+{
+ int state;
+ int i;
+ char url[PJSIP_MAX_URL_SIZE];
+ int urllen;
+
+ PJ_UNUSED_ARG(rdata)
+
+ if (*timeout > 0) {
+ state = PJSIP_EVENT_SUB_STATE_ACTIVE;
+ if (*timeout > 300)
+ *timeout = 300;
+ } else {
+ state = PJSIP_EVENT_SUB_STATE_TERMINATED;
+ }
+
+ urllen = pjsip_uri_print(PJSIP_URI_IN_FROMTO_HDR, rdata->from->uri, url, sizeof(url)-1);
+ if (urllen < 1) {
+ pj_native_strcpy(url, "<unknown>");
+ } else {
+ url[urllen] = '\0';
+ }
+ PJ_LOG(3,(THIS_FILE, "Received presence request from %s, sub_state=%s",
+ url,
+ (state==PJSIP_EVENT_SUB_STATE_ACTIVE?"active":"terminated")));
+
+ for (i=0; i<global.pres_cnt; ++i)
+ if (global.pres[i] == pres)
+ break;
+ if (i == global.pres_cnt)
+ global.pres[global.pres_cnt++] = pres;
+
+ pjsip_presence_set_credentials( pres, global.cred_count, global.cred_info );
+ pjsip_presence_notify(pres, state, !global.hide_status);
+
+}
+
+static void pres_on_received_refresh(pjsip_presentity *pres, pjsip_rx_data *rdata)
+{
+ pres_on_received_request(pres, rdata, &pres->sub->default_interval);
+}
+
+/* This is called by presence framework when we receives presence update
+ * of a resource (buddy).
+ */
+static void pres_on_received_update(pjsip_presentity *pres, pj_bool_t is_open)
+{
+ int buddy_index = (int)pres->user_data;
+
+ global.buddy_status[buddy_index] = is_open;
+ PJ_LOG(3,(THIS_FILE, "Presence update: %s is %s",
+ global.buddy[buddy_index].ptr,
+ (is_open ? "Online" : "Offline")));
+}
+
+/* This is called when the subscription is terminated. */
+static void pres_on_terminated(pjsip_presentity *pres, const pj_str_t *reason)
+{
+ if (pres->sub->role == PJSIP_ROLE_UAC) {
+ int buddy_index = (int)pres->user_data;
+ PJ_LOG(3,(THIS_FILE, "Presence subscription for %s is terminated (reason=%.*s)",
+ global.buddy[buddy_index].ptr,
+ reason->slen, reason->ptr));
+ global.buddy_pres[buddy_index] = NULL;
+ global.buddy_status[buddy_index] = 0;
+ } else {
+ int i;
+ PJ_LOG(3,(THIS_FILE, "Notifier terminated (reason=%.*s)",
+ reason->slen, reason->ptr));
+ pjsip_presence_notify(pres, PJSIP_EVENT_SUB_STATE_TERMINATED, 1);
+ for (i=0; i<global.pres_cnt; ++i) {
+ if (global.pres[i] == pres) {
+ int j;
+ global.pres[i] = NULL;
+ for (j=i+1; j<global.pres_cnt; ++j)
+ global.pres[j-1] = global.pres[j];
+ global.pres_cnt--;
+ break;
+ }
+ }
+ }
+ pjsip_presence_destroy(pres);
+}
+
+
+/* Callback attached to SIP body to print the body to message buffer. */
+static int print_msg_body(pjsip_msg_body *msg_body, char *buf, pj_size_t size)
+{
+ pjsip_msg_body *body = msg_body;
+ return pjsdp_print ((pjsdp_session_desc*)body->data, buf, size);
+}
+
+/* When media session has changed, call this function to update the cached body
+ * information in the dialog.
+ */
+static pjsip_msg_body *create_msg_body (pjsip_dlg *dlg, pj_bool_t is_ack_msg)
+{
+ struct dialog_data *dlg_data = dlg->user_data;
+ pjsdp_session_desc *sdp;
+
+ sdp = pj_media_session_create_sdp (dlg_data->msession, dlg->pool, is_ack_msg);
+ if (!sdp) {
+ dlg_data->body = NULL;
+ return NULL;
+ }
+
+ /* For outgoing INVITE, if we offer "x-ms-message" line, then add a new
+ * "m=" line in the SDP.
+ */
+ if (dlg_data->x_ms_msg_session >= 0 &&
+ dlg_data->x_ms_msg_session >= (int)sdp->media_count)
+ {
+ pjsdp_media_desc *m = pj_pool_calloc(dlg->pool, 1, sizeof(*m));
+ sdp->media[sdp->media_count] = m;
+ dlg_data->x_ms_msg_session = sdp->media_count++;
+ }
+
+ /*
+ * For "x-ms-message" line, remove all attributes and connection line etc.
+ */
+ if (dlg_data->x_ms_msg_session >= 0) {
+ pjsdp_media_desc *m = sdp->media[dlg_data->x_ms_msg_session];
+ if (m) {
+ m->desc.media = pj_str("x-ms-message");
+ m->desc.port = 5060;
+ m->desc.transport = pj_str("sip");
+ m->desc.fmt_count = 1;
+ m->desc.fmt[0] = pj_str("null");
+ m->attr_count = 0;
+ m->conn = NULL;
+ }
+ }
+
+ dlg_data->body = pj_pool_calloc(dlg->pool, 1, sizeof(*dlg_data->body));
+ dlg_data->body->content_type.type = pj_str("application");
+ dlg_data->body->content_type.subtype = pj_str("sdp");
+ dlg_data->body->len = 0; /* ignored */
+ dlg_data->body->print_body = &print_msg_body;
+
+ dlg_data->body->data = sdp;
+ return dlg_data->body;
+}
+
+/* This callback will be called on every occurence of events in dialogs */
+static void dlg_on_all_events(pjsip_dlg *dlg, pjsip_dlg_event_e dlg_evt,
+ pjsip_event *event )
+{
+ PJ_UNUSED_ARG(dlg_evt)
+ PJ_UNUSED_ARG(event)
+
+ PJ_LOG(4, (THIS_FILE, "dlg_on_all_events %p", dlg));
+}
+
+/* This callback is called before each outgoing msg is sent (including
+ * retransmission). Application can override this notification if it wants
+ * to modify the message before transmission or if it wants to do something
+ * else for each transmission.
+ */
+static void dlg_on_before_tx(pjsip_dlg *dlg, pjsip_transaction *tsx,
+ pjsip_tx_data *tdata, int ret_cnt)
+{
+ PJ_UNUSED_ARG(tsx)
+ PJ_UNUSED_ARG(tdata)
+
+ if (ret_cnt > 0) {
+ PJ_LOG(3, (THIS_FILE, "Dialog %s: retransmitting message (cnt=%d)",
+ dlg->obj_name, ret_cnt));
+ }
+}
+
+/* This callback is called after a message is sent. */
+static void dlg_on_tx_msg(pjsip_dlg *dlg, pjsip_transaction *tsx,
+ pjsip_tx_data *tdata)
+{
+ PJ_UNUSED_ARG(tsx)
+ PJ_UNUSED_ARG(tdata)
+
+ PJ_LOG(4, (THIS_FILE, "dlg_on_tx_msg %p", dlg));
+}
+
+/* This callback is called on receipt of incoming message. */
+static void dlg_on_rx_msg(pjsip_dlg *dlg, pjsip_transaction *tsx,
+ pjsip_rx_data *rdata)
+{
+ PJ_UNUSED_ARG(tsx)
+ PJ_UNUSED_ARG(rdata)
+ PJ_LOG(4, (THIS_FILE, "dlg_on_tx_msg %p", dlg));
+}
+
+/* This callback is called after dialog has sent INVITE */
+static void dlg_on_calling(pjsip_dlg *dlg, pjsip_transaction *tsx,
+ pjsip_tx_data *tdata)
+{
+ PJ_UNUSED_ARG(tsx)
+ PJ_UNUSED_ARG(tdata)
+
+ pj_assert(tdata->msg->type == PJSIP_REQUEST_MSG &&
+ tdata->msg->line.req.method.id == PJSIP_INVITE_METHOD &&
+ tsx->method.id == PJSIP_INVITE_METHOD);
+
+ PJ_LOG(3, (THIS_FILE, "Dialog %s: start calling...", dlg->obj_name));
+}
+
+static void create_session_from_sdp( pjsip_dlg *dlg, pjsdp_session_desc *sdp)
+{
+ struct dialog_data *dlg_data = dlg->user_data;
+ pj_bool_t sdp_x_ms_msg_index = -1;
+ int i;
+ int mcnt;
+ const pj_media_stream_info *mi[PJSDP_MAX_MEDIA];
+ int has_active;
+ pj_media_sock_info sock_info;
+
+ /* Find "m=x-ms-message" line in the SDP. */
+ for (i=0; i<(int)sdp->media_count; ++i) {
+ if (pj_stricmp2(&sdp->media[i]->desc.media, "x-ms-message")==0)
+ sdp_x_ms_msg_index = i;
+ }
+
+ /*
+ * Create media session.
+ */
+ pj_memset(&sock_info, 0, sizeof(sock_info));
+ sock_info.rtp_sock = global.rtp_sock;
+ sock_info.rtcp_sock = global.rtcp_sock;
+ pj_memcpy(&sock_info.rtp_addr_name, &global.rtp_sock_name, sizeof(pj_sockaddr_in));
+
+ dlg_data->msession = pj_media_session_create_from_sdp (global.mmgr, sdp, &sock_info);
+
+ /* A session will always be created, unless there is memory
+ * alloc problem.
+ */
+ pj_assert(dlg_data->msession);
+
+ /* See if we can take the offer by checking that we have at least
+ * one media stream active.
+ */
+ mcnt = pj_media_session_enum_streams(dlg_data->msession, PJSDP_MAX_MEDIA, mi);
+ for (i=0, has_active=0; i<mcnt; ++i) {
+ if (mi[i]->fmt_cnt>0 && mi[i]->dir!=PJ_MEDIA_DIR_NONE) {
+ has_active = 1;
+ break;
+ }
+ }
+
+ if (!has_active && sdp_x_ms_msg_index==-1) {
+ pjsip_tx_data *tdata;
+
+ /* Unable to accept remote's SDP.
+ * Answer with 488 (Not Acceptable Here)
+ */
+ /* Create 488 response. */
+ tdata = pjsip_dlg_answer(dlg, PJSIP_SC_NOT_ACCEPTABLE_HERE);
+
+ /* Send response. */
+ if (tdata)
+ pjsip_dlg_send_msg(dlg, tdata);
+ return;
+ }
+
+ dlg_data->x_ms_msg_session = sdp_x_ms_msg_index;
+
+ /* Create msg body to be used later in 2xx/response */
+ create_msg_body(dlg, 0);
+
+}
+
+/* This callback is called after an INVITE is received. */
+static void dlg_on_incoming(pjsip_dlg *dlg, pjsip_transaction *tsx,
+ pjsip_rx_data *rdata)
+{
+ struct dialog_data *dlg_data;
+ pjsip_msg *msg;
+ pjsip_tx_data *tdata;
+ char buf[128];
+ int len;
+
+ PJ_UNUSED_ARG(tsx)
+
+ pj_assert(rdata->msg->type == PJSIP_REQUEST_MSG &&
+ rdata->msg->line.req.method.id == PJSIP_INVITE_METHOD &&
+ tsx->method.id == PJSIP_INVITE_METHOD);
+
+ /*
+ * Notify user!
+ */
+ PJ_LOG(3, (THIS_FILE, ""));
+ PJ_LOG(3, (THIS_FILE, "INCOMING CALL ON DIALOG %s!!", dlg->obj_name));
+ PJ_LOG(3, (THIS_FILE, ""));
+ len = pjsip_uri_print( PJSIP_URI_IN_FROMTO_HDR,
+ (pjsip_name_addr*)dlg->remote.info->uri,
+ buf, sizeof(buf)-1);
+ if (len > 0) {
+ buf[len] = '\0';
+ PJ_LOG(3,(THIS_FILE, "From:\t%s", buf));
+ }
+ len = pjsip_uri_print( PJSIP_URI_IN_FROMTO_HDR,
+ (pjsip_name_addr*)dlg->local.info->uri,
+ buf, sizeof(buf)-1);
+ if (len > 0) {
+ buf[len] = '\0';
+ PJ_LOG(3,(THIS_FILE, "To:\t%s", buf));
+ }
+ PJ_LOG(3, (THIS_FILE, "Press 'a' to answer, or 'h' to hangup!!", dlg->obj_name));
+ PJ_LOG(3, (THIS_FILE, ""));
+
+ /*
+ * Process incoming dialog.
+ */
+
+ dlg_data = pj_pool_calloc(dlg->pool, 1, sizeof(struct dialog_data));
+ dlg->user_data = dlg_data;
+
+ /* Update contact. */
+ pjsip_dlg_set_contact(dlg, &global.contact);
+
+ /* Initialize credentials. */
+ pjsip_dlg_set_credentials(dlg, global.cred_count, global.cred_info);
+
+ /* Create media session if the request has "application/sdp" body. */
+ msg = rdata->msg;
+ if (msg->body &&
+ pj_stricmp2(&msg->body->content_type.type, "application")==0 &&
+ pj_stricmp2(&msg->body->content_type.subtype, "sdp")==0)
+ {
+ pjsdp_session_desc *sdp;
+
+ /* Parse SDP body, and instantiate media session based on remote's SDP.
+ * Then create our SDP body from the session.
+ */
+ sdp = pjsdp_parse (msg->body->data, msg->body->len, rdata->pool);
+ if (!sdp)
+ goto send_answer;
+
+ create_session_from_sdp(dlg, sdp);
+
+ } else if (msg->body) {
+ /* The request has a message body other than "application/sdp" */
+ pjsip_accept_hdr *accept;
+
+ /* Create response. */
+ tdata = pjsip_dlg_answer(dlg, PJSIP_SC_UNSUPPORTED_MEDIA_TYPE);
+
+ /* Add "Accept" header. */
+ accept = pjsip_accept_hdr_create(tdata->pool);
+ accept->values[0] = pj_str("application/sdp");
+ accept->count = 1;
+ pjsip_msg_add_hdr(tdata->msg, (pjsip_hdr*)accept);
+
+ /* Send response. */
+ pjsip_dlg_send_msg(dlg, tdata);
+ return;
+
+ } else {
+ /* The request has no message body. We can take this request, but
+ * no media session will be activated.
+ */
+ /* Nothing to do here. */
+ }
+
+send_answer:
+ /* Immediately answer with 100 (or 180? */
+ tdata = pjsip_dlg_answer( dlg, PJSIP_SC_RINGING );
+ pjsip_dlg_send_msg(dlg, tdata);
+
+ /* Set current dialog to this dialog if we don't currently have
+ * current dialog.
+ */
+ if (global.cur_dlg == NULL) {
+ global.cur_dlg = dlg;
+ }
+
+ /* Auto-answer if option is specified. */
+ if (global.auto_answer >= 0) {
+ pj_time_val delay = { 0, 0};
+ struct dialog_data *dlg_data = dlg->user_data;
+
+ PJ_LOG(4, (THIS_FILE, "Scheduling auto-answer in %d seconds",
+ global.auto_answer));
+
+ delay.sec = global.auto_answer;
+ dlg_data->auto_timer.user_data = dlg;
+ dlg_data->auto_timer.id = AUTO_ANSWER;
+ dlg_data->auto_timer.cb = &dlg_auto_timer_callback;
+ dlg_data->has_auto_timer = 1;
+ pjsip_endpt_schedule_timer(dlg->ua->endpt, &dlg_data->auto_timer, &delay);
+ }
+}
+
+/* This callback is called when dialog has sent/received a provisional response
+ * to INVITE.
+ */
+static void dlg_on_provisional(pjsip_dlg *dlg, pjsip_transaction *tsx,
+ pjsip_event *event)
+{
+ const char *action;
+
+ pj_assert((event->src_type == PJSIP_EVENT_TX_MSG &&
+ event->src.tdata->msg->type == PJSIP_RESPONSE_MSG &&
+ event->src.tdata->msg->line.status.code/100 == 1 &&
+ tsx->method.id == PJSIP_INVITE_METHOD)
+ ||
+ (event->src_type == PJSIP_EVENT_RX_MSG &&
+ event->src.rdata->msg->type == PJSIP_RESPONSE_MSG &&
+ event->src.rdata->msg->line.status.code/100 == 1 &&
+ tsx->method.id == PJSIP_INVITE_METHOD));
+
+ if (event->src_type == PJSIP_EVENT_TX_MSG)
+ action = "Sending";
+ else
+ action = "Received";
+
+ PJ_LOG(3, (THIS_FILE, "Dialog %s: %s %d (%s)",
+ dlg->obj_name, action, tsx->status_code,
+ pjsip_get_status_text(tsx->status_code)->ptr));
+}
+
+/* This callback is called when 200 response to INVITE is sent/received. */
+static void dlg_on_connecting(pjsip_dlg *dlg, pjsip_event *event)
+{
+ struct dialog_data *dlg_data = dlg->user_data;
+ const char *action;
+
+ pj_assert((event->src_type == PJSIP_EVENT_TX_MSG &&
+ event->src.tdata->msg->type == PJSIP_RESPONSE_MSG &&
+ event->src.tdata->msg->line.status.code/100 == 2)
+ ||
+ (event->src_type == PJSIP_EVENT_RX_MSG &&
+ event->src.rdata->msg->type == PJSIP_RESPONSE_MSG &&
+ event->src.rdata->msg->line.status.code/100 == 2));
+
+ if (event->src_type == PJSIP_EVENT_RX_MSG)
+ action = "Received";
+ else
+ action = "Sending";
+
+ PJ_LOG(3, (THIS_FILE, "Dialog %s: %s 200 (OK)", dlg->obj_name, action));
+
+ if (event->src_type == PJSIP_EVENT_RX_MSG) {
+ /* On receipt of 2xx response, negotiate our media capability
+ * and start media.
+ */
+ pjsip_msg *msg = event->src.rdata->msg;
+ pjsip_msg_body *body;
+ pjsdp_session_desc *sdp;
+
+ /* Get SDP from message. */
+
+ /* Ignore if no SDP body is present. */
+ body = msg->body;
+ if (!body) {
+ PJ_LOG(3, (THIS_FILE, "Dialog %s: the 200/OK response has no body!",
+ dlg->obj_name));
+ return;
+ }
+
+ if (pj_stricmp2(&body->content_type.type, "application") != 0 &&
+ pj_stricmp2(&body->content_type.subtype, "sdp") != 0)
+ {
+ PJ_LOG(3, (THIS_FILE, "Dialog %s: the 200/OK response has no SDP body!",
+ dlg->obj_name));
+ return;
+ }
+
+ /* Got what seems to be a SDP content. Parse it. */
+ sdp = pjsdp_parse (body->data, body->len, event->src.rdata->pool);
+ if (!sdp) {
+ PJ_LOG(3, (THIS_FILE, "Dialog %s: SDP syntax error!",
+ dlg->obj_name));
+ return;
+ }
+
+ /* Negotiate media session with remote's media capability. */
+ if (pj_media_session_update (dlg_data->msession, sdp) != 0) {
+ PJ_LOG(3, (THIS_FILE, "Dialog %s: media session update error!",
+ dlg->obj_name));
+ return;
+ }
+
+ /* Update the saved SDP body because media session has changed.
+ * Also set ack flag to '1', because we only want to send one format/
+ * codec for each media streams.
+ */
+ create_msg_body(dlg, 1);
+
+ /* Activate media. */
+ pj_media_session_activate (dlg_data->msession);
+
+ } else {
+ pjsip_msg *msg = event->src.tdata->msg;
+
+ if (msg->body) {
+ /* On transmission of 2xx response, start media session. */
+ pj_media_session_activate (dlg_data->msession);
+ }
+ }
+
+}
+
+/* This callback is called when ACK to initial INVITE is sent/received. */
+static void dlg_on_established(pjsip_dlg *dlg, pjsip_event *event)
+{
+ const char *action;
+
+ pj_assert((event->src_type == PJSIP_EVENT_TX_MSG &&
+ event->src.tdata->msg->type == PJSIP_REQUEST_MSG &&
+ event->src.tdata->msg->line.req.method.id == PJSIP_ACK_METHOD)
+ ||
+ (event->src_type == PJSIP_EVENT_RX_MSG &&
+ event->src.rdata->msg->type == PJSIP_REQUEST_MSG &&
+ event->src.rdata->msg->line.req.method.id == PJSIP_ACK_METHOD));
+
+ if (event->src_type == PJSIP_EVENT_RX_MSG)
+ action = "Received";
+ else
+ action = "Sending";
+
+ PJ_LOG(3, (THIS_FILE, "Dialog %s: %s ACK, dialog is ESTABLISHED",
+ dlg->obj_name, action));
+
+ /* Attach SDP body for outgoing ACK. */
+ if (event->src_type == PJSIP_EVENT_TX_MSG &&
+ event->src.tdata->msg->line.req.method.id == PJSIP_ACK_METHOD)
+ {
+ struct dialog_data *dlg_data = dlg->user_data;
+ event->src.tdata->msg->body = dlg_data->body;
+ }
+
+ /* Auto-hangup if option is specified. */
+ if (global.auto_hangup >= 0) {
+ pj_time_val delay = { 0, 0};
+ struct dialog_data *dlg_data = dlg->user_data;
+
+ PJ_LOG(4, (THIS_FILE, "Scheduling auto-hangup in %d seconds",
+ global.auto_hangup));
+
+ delay.sec = global.auto_hangup;
+ dlg_data->auto_timer.user_data = dlg;
+ dlg_data->auto_timer.id = AUTO_HANGUP;
+ dlg_data->auto_timer.cb = &dlg_auto_timer_callback;
+ dlg_data->has_auto_timer = 1;
+ pjsip_endpt_schedule_timer(dlg->ua->endpt, &dlg_data->auto_timer, &delay);
+ }
+}
+
+
+/* This callback is called when dialog is disconnected (because of final
+ * response, BYE, or timer).
+ */
+static void dlg_on_disconnected(pjsip_dlg *dlg, pjsip_event *event)
+{
+ struct dialog_data *dlg_data = dlg->user_data;
+ int status_code;
+ const pj_str_t *reason;
+
+ PJ_UNUSED_ARG(event)
+
+ /* Cancel auto-answer/auto-hangup timer. */
+ if (dlg_data->has_auto_timer) {
+ pjsip_endpt_cancel_timer(dlg->ua->endpt, &dlg_data->auto_timer);
+ dlg_data->has_auto_timer = 0;
+ }
+
+ if (dlg->invite_tsx)
+ status_code = dlg->invite_tsx->status_code;
+ else
+ status_code = 200;
+
+ if (event->obj.tsx->method.id == PJSIP_INVITE_METHOD) {
+ if (event->src_type == PJSIP_EVENT_RX_MSG)
+ reason = &event->src.rdata->msg->line.status.reason;
+ else if (event->src_type == PJSIP_EVENT_TX_MSG)
+ reason = &event->src.tdata->msg->line.status.reason;
+ else
+ reason = pjsip_get_status_text(event->obj.tsx->status_code);
+ } else {
+ reason = &event->obj.tsx->method.name;
+ }
+
+ PJ_LOG(3, (THIS_FILE, "Dialog %s: DISCONNECTED! Reason=%d (%.*s)",
+ dlg->obj_name, status_code,
+ reason->slen, reason->ptr));
+
+ if (dlg_data->msession) {
+ pj_media_session_destroy (dlg_data->msession);
+ dlg_data->msession = NULL;
+ }
+}
+
+/* This callback is called when dialog is about to be destroyed. */
+static void dlg_on_terminated(pjsip_dlg *dlg)
+{
+ PJ_LOG(3, (THIS_FILE, "Dialog %s: terminated!", dlg->obj_name));
+
+ /* If current dialog is equal to this dialog, update it. */
+ if (global.cur_dlg == dlg) {
+ global.cur_dlg = global.cur_dlg->next;
+ if (global.cur_dlg == (void*)&global.user_agent->dlg_list) {
+ global.cur_dlg = NULL;
+ }
+ }
+}
+
+/* This callback is called for any requests when dialog is established. */
+static void dlg_on_mid_call_evt (pjsip_dlg *dlg, pjsip_event *event)
+{
+ pjsip_transaction *tsx = event->obj.tsx;
+
+ if (event->src_type == PJSIP_EVENT_RX_MSG &&
+ event->src.rdata->msg->type == PJSIP_REQUEST_MSG)
+ {
+ if (event->src.rdata->cseq->method.id == PJSIP_INVITE_METHOD) {
+ /* Re-invitation. */
+ pjsip_tx_data *tdata;
+
+ PJ_LOG(3,(THIS_FILE, "Dialog %s: accepting re-invitation (dummy)",
+ dlg->obj_name));
+ tdata = pjsip_dlg_answer(dlg, 200);
+ if (tdata) {
+ struct dialog_data *dlg_data = dlg->user_data;
+ tdata->msg->body = dlg_data->body;
+ pjsip_dlg_send_msg(dlg, tdata);
+ }
+ } else {
+ /* Don't worry, endpoint will answer with 500 or whetever. */
+ }
+
+ } else if (tsx->status_code/100 == 2) {
+ PJ_LOG(3,(THIS_FILE, "Dialog %s: outgoing %.*s success: %d (%s)",
+ dlg->obj_name,
+ tsx->method.name.slen, tsx->method.name.ptr,
+ tsx->status_code,
+ pjsip_get_status_text(tsx->status_code)->ptr));
+
+
+ } else if (tsx->status_code >= 300) {
+ pj_bool_t report_failure = PJ_TRUE;
+
+ /* Check for authentication failures. */
+ if (tsx->status_code==401 || tsx->status_code==407) {
+ pjsip_tx_data *tdata;
+ tdata = pjsip_auth_reinit_req( global.endpt,
+ dlg->pool, &dlg->auth_sess,
+ dlg->cred_count, dlg->cred_info,
+ tsx->last_tx, event->src.rdata );
+ if (tdata) {
+ int rc;
+ rc = pjsip_dlg_send_msg( dlg, tdata);
+ report_failure = (rc != 0);
+ }
+ }
+ if (report_failure) {
+ const pj_str_t *reason;
+ if (event->src_type == PJSIP_EVENT_RX_MSG) {
+ reason = &event->src.rdata->msg->line.status.reason;
+ } else {
+ reason = pjsip_get_status_text(tsx->status_code);
+ }
+ PJ_LOG(2,(THIS_FILE, "Dialog %s: outgoing request failed: %d (%.*s)",
+ dlg->obj_name, tsx->status_code,
+ reason->slen, reason->ptr));
+ }
+ }
+}
+
+/* Initialize sockets and optionally get the public address via STUN. */
+static pj_status_t init_sockets()
+{
+ enum {
+ RTP_START_PORT = 4000,
+ RTP_RANDOM_START = 2,
+ RTP_RETRY = 10
+ };
+ enum {
+ SIP_SOCK,
+ RTP_SOCK,
+ RTCP_SOCK,
+ };
+ int i;
+ int rtp_port;
+ pj_sock_t sock[3];
+ pj_sockaddr_in mapped_addr[3];
+
+ for (i=0; i<3; ++i)
+ sock[i] = PJ_INVALID_SOCKET;
+
+ /* Create and bind SIP UDP socket. */
+ sock[SIP_SOCK] = pj_sock_socket(PJ_AF_INET, PJ_SOCK_DGRAM, 0, 0);
+ if (sock[SIP_SOCK] == PJ_INVALID_SOCKET) {
+ PJ_LOG(2,(THIS_FILE, "Unable to create socket"));
+ goto on_error;
+ }
+ if (pj_sock_bind_in(sock[SIP_SOCK], 0, (pj_uint16_t)global.sip_port) != 0) {
+ PJ_LOG(2,(THIS_FILE, "Unable to bind to SIP port"));
+ goto on_error;
+ }
+
+ /* Initialize start of RTP port to try. */
+ rtp_port = RTP_START_PORT + (pj_rand() % RTP_RANDOM_START) / 2;
+
+ /* Loop retry to bind RTP and RTCP sockets. */
+ for (i=0; i<RTP_RETRY; ++i, rtp_port += 2) {
+
+ /* Create and bind RTP socket. */
+ sock[RTP_SOCK] = pj_sock_socket(PJ_AF_INET, PJ_SOCK_DGRAM, 0, 0);
+ if (sock[RTP_SOCK] == PJ_INVALID_SOCKET)
+ goto on_error;
+ if (pj_sock_bind_in(sock[RTP_SOCK], 0, (pj_uint16_t)rtp_port) != 0) {
+ pj_sock_close(sock[RTP_SOCK]); sock[RTP_SOCK] = PJ_INVALID_SOCKET;
+ continue;
+ }
+
+ /* Create and bind RTCP socket. */
+ sock[RTCP_SOCK] = pj_sock_socket(PJ_AF_INET, PJ_SOCK_DGRAM, 0, 0);
+ if (sock[RTCP_SOCK] == PJ_INVALID_SOCKET)
+ goto on_error;
+ if (pj_sock_bind_in(sock[RTCP_SOCK], 0, (pj_uint16_t)(rtp_port+1)) != 0) {
+ pj_sock_close(sock[RTP_SOCK]); sock[RTP_SOCK] = PJ_INVALID_SOCKET;
+ pj_sock_close(sock[RTCP_SOCK]); sock[RTCP_SOCK] = PJ_INVALID_SOCKET;
+ continue;
+ }
+
+ /*
+ * If we're configured to use STUN, then find out the mapped address,
+ * and make sure that the mapped RTCP port is adjacent with the RTP.
+ */
+ if (global.stun_port1 == 0) {
+ pj_str_t hostname;
+ pj_sockaddr_in addr;
+
+ /* Get local IP address. */
+ char hostname_buf[PJ_MAX_HOSTNAME];
+ if (gethostname(hostname_buf, sizeof(hostname_buf)))
+ goto on_error;
+ hostname = pj_str(hostname_buf);
+
+ pj_memset( &addr, 0, sizeof(addr));
+ addr.sin_family = PJ_AF_INET;
+ if (pj_sockaddr_set_str_addr( &addr, &hostname) != PJ_SUCCESS)
+ goto on_error;
+
+ for (i=0; i<3; ++i)
+ pj_memcpy(&mapped_addr[i], &addr, sizeof(addr));
+
+ mapped_addr[SIP_SOCK].sin_port = pj_htons((pj_uint16_t)global.sip_port);
+ mapped_addr[RTP_SOCK].sin_port = pj_htons((pj_uint16_t)rtp_port);
+ mapped_addr[RTCP_SOCK].sin_port = pj_htons((pj_uint16_t)(rtp_port+1));
+ break;
+ } else {
+ pj_status_t rc;
+ rc = pj_stun_get_mapped_addr( global.pf, 3, sock,
+ &global.stun_srv1, global.stun_port1,
+ &global.stun_srv2, global.stun_port2,
+ mapped_addr);
+ if (rc != 0) {
+ PJ_LOG(3,(THIS_FILE, "Error: %s", pj_stun_get_err_msg(rc)));
+ goto on_error;
+ }
+
+ if (pj_ntohs(mapped_addr[2].sin_port) == pj_ntohs(mapped_addr[1].sin_port)+1)
+ break;
+
+ pj_sock_close(sock[RTP_SOCK]); sock[RTP_SOCK] = PJ_INVALID_SOCKET;
+ pj_sock_close(sock[RTCP_SOCK]); sock[RTCP_SOCK] = PJ_INVALID_SOCKET;
+ }
+ }
+
+ if (sock[RTP_SOCK] == PJ_INVALID_SOCKET) {
+ PJ_LOG(2,(THIS_FILE, "Unable to find appropriate RTP/RTCP ports combination"));
+ goto on_error;
+ }
+
+ global.sip_sock = sock[SIP_SOCK];
+ pj_memcpy(&global.sip_sock_name, &mapped_addr[SIP_SOCK], sizeof(pj_sockaddr_in));
+ global.rtp_sock = sock[RTP_SOCK];
+ pj_memcpy(&global.rtp_sock_name, &mapped_addr[RTP_SOCK], sizeof(pj_sockaddr_in));
+ global.rtcp_sock = sock[RTCP_SOCK];
+ pj_memcpy(&global.rtcp_sock_name, &mapped_addr[RTCP_SOCK], sizeof(pj_sockaddr_in));
+
+ PJ_LOG(4,(THIS_FILE, "SIP UDP socket reachable at %s:%d",
+ pj_inet_ntoa(global.sip_sock_name.sin_addr),
+ pj_ntohs(global.sip_sock_name.sin_port)));
+ PJ_LOG(4,(THIS_FILE, "RTP socket reachable at %s:%d",
+ pj_inet_ntoa(global.rtp_sock_name.sin_addr),
+ pj_ntohs(global.rtp_sock_name.sin_port)));
+ PJ_LOG(4,(THIS_FILE, "RTCP UDP socket reachable at %s:%d",
+ pj_inet_ntoa(global.rtcp_sock_name.sin_addr),
+ pj_ntohs(global.rtcp_sock_name.sin_port)));
+ return 0;
+
+on_error:
+ for (i=0; i<3; ++i) {
+ if (sock[i] != PJ_INVALID_SOCKET)
+ pj_sock_close(sock[i]);
+ }
+ return -1;
+}
+
+static void log_function(int level, const char *buffer, int len)
+{
+ /* Write to both stdout and file. */
+ if (level <= global.app_log_level)
+ pj_log_to_stdout(level, buffer, len);
+ if (global.log_file) {
+ fwrite(buffer, len, 1, global.log_file);
+ fflush(global.log_file);
+ }
+}
+
+/* Initialize stack. */
+static pj_status_t init_stack()
+{
+ pj_status_t status;
+ pj_sockaddr_in bind_addr;
+ pj_sockaddr_in bind_name;
+ const char *local_addr;
+ static char local_uri[128];
+
+ /* Optionally set logging file. */
+ if (global.log_filename) {
+ global.log_file = fopen(global.log_filename, "wt");
+ }
+
+ /* Initialize endpoint. This will also call initialization to all the
+ * modules.
+ */
+ global.endpt = pjsip_endpt_create(global.pf);
+ if (global.endpt == NULL) {
+ return -1;
+ }
+
+ /* Set dialog callback. */
+ pjsip_ua_set_dialog_callback(global.user_agent, &dlg_callback);
+
+ /* Init listener's bound address and port. */
+ pj_sockaddr_init2(&bind_addr, "0.0.0.0", global.sip_port);
+ pj_sockaddr_init(&bind_name, pj_gethostname(), global.sip_port);
+
+ /* Add UDP transport listener. */
+ status = pjsip_endpt_create_udp_listener( global.endpt, global.sip_sock,
+ &global.sip_sock_name);
+ if (status != 0)
+ return -1;
+
+ local_addr = pj_inet_ntoa(global.sip_sock_name.sin_addr);
+
+#if PJ_HAS_TCP
+ /* Add TCP transport listener. */
+ status = pjsip_endpt_create_listener( global.endpt, PJSIP_TRANSPORT_TCP,
+ &bind_addr, &bind_name);
+ if (status != 0)
+ return -1;
+#endif
+
+ /* Determine user_id to be put in Contact */
+ if (global.local_uri.slen) {
+ pj_pool_t *pool = pj_pool_create(global.pf, "parser", 1024, 0, NULL);
+ pjsip_uri *uri;
+
+ uri = pjsip_parse_uri(pool, global.local_uri.ptr, global.local_uri.slen, 0);
+ if (uri) {
+ if (pj_stricmp2(pjsip_uri_get_scheme(uri), "sip")==0) {
+ pjsip_url *url = (pjsip_url*)pjsip_uri_get_uri(uri);
+ if (url->user.slen)
+ strncpy(global.user_id, url->user.ptr, url->user.slen);
+ }
+ }
+ pj_pool_release(pool);
+ }
+
+ if (global.user_id[0]=='\0') {
+ pj_native_strcpy(global.user_id, "user");
+ }
+
+ /* build contact */
+ global.real_contact.ptr = local_uri;
+ global.real_contact.slen =
+ sprintf(local_uri, "<sip:%s@%s:%d>", global.user_id, local_addr, global.sip_port);
+
+ if (global.contact.slen == 0)
+ global.contact = global.real_contact;
+
+ /* initialize local_uri with contact if it's not specified in cmdline */
+ if (global.local_uri.slen == 0)
+ global.local_uri = global.contact;
+
+ /* Init proxy. */
+ if (global.proxy.slen || global.outbound_proxy.slen) {
+ int count = 0;
+ pj_str_t proxy_url[2];
+
+ if (global.outbound_proxy.slen) {
+ proxy_url[count++] = global.outbound_proxy;
+ }
+ if (global.proxy.slen) {
+ proxy_url[count++] = global.proxy;
+ }
+
+ if (pjsip_endpt_set_proxies(global.endpt, count, proxy_url) != 0) {
+ PJ_LOG(2,(THIS_FILE, "Error setting proxy address!"));
+ return -1;
+ }
+ }
+
+ /* initialize SIP registration if registrar is configured */
+ if (global.registrar_uri.slen) {
+ global.regc = pjsip_regc_create( global.endpt, NULL, ®c_cb);
+ pjsip_regc_init( global.regc, &global.registrar_uri,
+ &global.local_uri,
+ &global.local_uri,
+ 1, &global.contact,
+ global.reg_timeout);
+ pjsip_regc_set_credentials( global.regc, global.cred_count, global.cred_info );
+ }
+
+ return PJ_SUCCESS;
+}
+
+/* Worker thread function, only used when threading is enabled. */
+static void *PJ_THREAD_FUNC worker_thread(void *unused)
+{
+ PJ_UNUSED_ARG(unused)
+
+ while (!global.worker_quit_flag) {
+ pj_time_val timeout = { 0, 10 };
+ pjsip_endpt_handle_events (global.endpt, &timeout);
+ }
+ return NULL;
+}
+
+
+/* Make call to the specified URI. */
+static pjsip_dlg *make_call(pj_str_t *remote_uri)
+{
+ pjsip_dlg *dlg;
+ pj_str_t local = global.contact;
+ pj_str_t remote = *remote_uri;
+ struct dialog_data *dlg_data;
+ pjsip_tx_data *tdata;
+ pj_media_sock_info sock_info;
+
+ /* Create new dialog instance. */
+ dlg = pjsip_ua_create_dialog(global.user_agent, PJSIP_ROLE_UAC);
+
+ /* Attach our own user data. */
+ dlg_data = pj_pool_calloc(dlg->pool, 1, sizeof(struct dialog_data));
+ dlg->user_data = dlg_data;
+
+ /* Create media session. */
+ pj_memset(&sock_info, 0, sizeof(sock_info));
+ sock_info.rtp_sock = global.rtp_sock;
+ sock_info.rtcp_sock = global.rtcp_sock;
+ pj_memcpy(&sock_info.rtp_addr_name, &global.rtp_sock_name, sizeof(pj_sockaddr_in));
+
+ dlg_data->msession = pj_media_session_create (global.mmgr, &sock_info);
+ dlg_data->x_ms_msg_session = -1;
+
+ if (global.offer_x_ms_msg) {
+ const pj_media_stream_info *minfo[32];
+ unsigned cnt;
+
+ cnt = pj_media_session_enum_streams(dlg_data->msession, 32, minfo);
+ if (cnt > 0)
+ dlg_data->x_ms_msg_session = cnt;
+ }
+
+ /* Initialize dialog with local and remote URI. */
+ if (pjsip_dlg_init(dlg, &local, &remote, NULL) != PJ_SUCCESS) {
+ pjsip_ua_destroy_dialog(dlg);
+ return NULL;
+ }
+
+ /* Initialize credentials. */
+ pjsip_dlg_set_credentials(dlg, global.cred_count, global.cred_info);
+
+ /* Send INVITE! */
+ tdata = pjsip_dlg_invite(dlg);
+ tdata->msg->body = create_msg_body (dlg, 0);
+
+ if (pjsip_dlg_send_msg(dlg, tdata) != PJ_SUCCESS) {
+ pjsip_ua_destroy_dialog(dlg);
+ return NULL;
+ }
+
+ return dlg;
+}
+
+/*
+ * Callback to receive incoming IM message.
+ */
+static int on_incoming_im_msg(pjsip_rx_data *rdata)
+{
+ pjsip_msg *msg = rdata->msg;
+ pjsip_msg_body *body = msg->body;
+ int len;
+ char to[128], from[128];
+
+
+ len = pjsip_uri_print( PJSIP_URI_IN_CONTACT_HDR,
+ rdata->from->uri, from, sizeof(from));
+ if (len > 0) from[len] = '\0';
+ else pj_native_strcpy(from, "<URL too long..>");
+
+ len = pjsip_uri_print( PJSIP_URI_IN_CONTACT_HDR,
+ rdata->to->uri, to, sizeof(to));
+ if (len > 0) to[len] = '\0';
+ else pj_native_strcpy(to, "<URL too long..>");
+
+ PJ_LOG(3,(THIS_FILE, "Incoming instant message:"));
+
+ printf("----- BEGIN INSTANT MESSAGE ----->\n");
+ printf("From:\t%s\n", from);
+ printf("To:\t%s\n", to);
+ printf("Body:\n%.*s\n", (body ? body->len : 0), (body ? (char*)body->data : ""));
+ printf("<------ END INSTANT MESSAGE ------\n");
+
+ fflush(stdout);
+
+ /* Must answer with final response. */
+ return 200;
+}
+
+/*
+ * Input URL.
+ */
+static pj_str_t *ui_input_url(pj_str_t *out, char *buf, int len, int *selection)
+{
+ int i;
+
+ *selection = -1;
+
+ printf("\nBuddy list:\n");
+ printf("---------------------------------------\n");
+ for (i=0; i<global.buddy_cnt; ++i) {
+ printf(" %d\t%s <%s>\n", i+1, global.buddy[i].ptr,
+ (global.buddy_status[i]?"Online":"Offline"));
+ }
+ printf("-------------------------------------\n");
+
+ printf("Choices\n"
+ "\t0 For current dialog.\n"
+ "\t[1-%02d] Select from buddy list\n"
+ "\tURL An URL\n"
+ , global.buddy_cnt);
+ printf("Input: ");
+
+ fflush(stdout);
+ fgets(buf, len, stdin);
+ buf[strlen(buf)-1] = '\0'; /* remove trailing newline. */
+
+ while (isspace(*buf)) ++buf;
+
+ if (!*buf || *buf=='\n' || *buf=='\r')
+ return NULL;
+
+ i = atoi(buf);
+
+ if (i == 0) {
+ if (isdigit(*buf)) {
+ *selection = 0;
+ *out = pj_str("0");
+ return out;
+ } else {
+ if (verify_sip_url(buf) != 0) {
+ puts("Invalid URL specified!");
+ return NULL;
+ }
+ *out = pj_str(buf);
+ return out;
+ }
+ } else if (i > global.buddy_cnt || i < 0) {
+ printf("Error: invalid selection!\n");
+ return NULL;
+ } else {
+ *out = global.buddy[i-1];
+ *selection = i;
+ return out;
+ }
+}
+
+
+static void generic_request_callback( void *token, pjsip_event *event )
+{
+ pjsip_transaction *tsx = event->obj.tsx;
+
+ PJ_UNUSED_ARG(token)
+
+ if (tsx->status_code/100 == 2) {
+ PJ_LOG(3,(THIS_FILE, "Outgoing %.*s %d (%s)",
+ event->obj.tsx->method.name.slen,
+ event->obj.tsx->method.name.ptr,
+ tsx->status_code,
+ pjsip_get_status_text(tsx->status_code)->ptr));
+ } else if (tsx->status_code==401 || tsx->status_code==407) {
+ pjsip_tx_data *tdata;
+ tdata = pjsip_auth_reinit_req( global.endpt,
+ global.pool, NULL, global.cred_count, global.cred_info,
+ tsx->last_tx, event->src.rdata);
+ if (tdata) {
+ int rc;
+ pjsip_cseq_hdr *cseq;
+ cseq = (pjsip_cseq_hdr*)pjsip_msg_find_hdr(tdata->msg, PJSIP_H_CSEQ, NULL);
+ cseq->cseq++;
+ rc = pjsip_endpt_send_request( global.endpt, tdata, -1, NULL,
+ &generic_request_callback);
+ if (rc == 0)
+ return;
+ }
+ PJ_LOG(2,(THIS_FILE, "Outgoing %.*s failed, status=%d (%s)",
+ event->obj.tsx->method.name.slen,
+ event->obj.tsx->method.name.ptr,
+ event->obj.tsx->status_code,
+ pjsip_get_status_text(event->obj.tsx->status_code)->ptr));
+ } else {
+ const pj_str_t *reason;
+ if (event->src_type == PJSIP_EVENT_RX_MSG)
+ reason = &event->src.rdata->msg->line.status.reason;
+ else
+ reason = pjsip_get_status_text(tsx->status_code);
+ PJ_LOG(2,(THIS_FILE, "Outgoing %.*s failed, status=%d (%.*s)",
+ event->obj.tsx->method.name.slen,
+ event->obj.tsx->method.name.ptr,
+ event->obj.tsx->status_code,
+ reason->slen, reason->ptr));
+ }
+}
+
+
+static void ui_send_im_message()
+{
+ char line[100];
+ char text_buf[100];
+ pj_str_t str;
+ pj_str_t text_msg;
+ int selection, rc;
+ pjsip_tx_data *tdata;
+
+ if (ui_input_url(&str, line, sizeof(line), &selection) == NULL)
+ return;
+
+
+ printf("Enter text to send (empty to cancel): "); fflush(stdout);
+ fgets(text_buf, sizeof(text_buf), stdin);
+ text_buf[strlen(text_buf)-1] = '\0';
+ if (!*text_buf)
+ return;
+
+ text_msg = pj_str(text_buf);
+
+ if (selection==0) {
+ pjsip_method message_method;
+ pj_str_t str_MESSAGE = { "MESSAGE", 7 };
+
+ /* Send IM to current dialog. */
+ if (global.cur_dlg == NULL || global.cur_dlg->state != PJSIP_DIALOG_STATE_ESTABLISHED) {
+ printf("No current dialog or dialog state is not ESTABLISHED!\n");
+ return;
+ }
+
+ pjsip_method_init( &message_method, global.cur_dlg->pool, &str_MESSAGE);
+ tdata = pjsip_dlg_create_request( global.cur_dlg, &message_method, -1 );
+
+ if (tdata) {
+ /* Create message body for the text. */
+ pjsip_msg_body *body = pj_pool_calloc(tdata->pool, 1, sizeof(*body));
+ body->content_type.type = pj_str("text");
+ body->content_type.subtype = pj_str("plain");
+ body->data = pj_pool_alloc(tdata->pool, text_msg.slen);
+ pj_memcpy(body->data, text_msg.ptr, text_msg.slen);
+ body->len = text_msg.slen;
+ body->print_body = &pjsip_print_text_body;
+
+ /* Assign body to message, and send the message! */
+ tdata->msg->body = body;
+ pjsip_dlg_send_msg( global.cur_dlg, tdata );
+ }
+
+ } else {
+ /* Send IM to buddy list. */
+ pjsip_method message;
+ static pj_str_t MESSAGE = { "MESSAGE", 7 };
+ pjsip_method_init_np(&message, &MESSAGE);
+ tdata = pjsip_endpt_create_request(global.endpt, &message,
+ &str,
+ &global.real_contact,
+ &str, &global.real_contact, NULL, -1,
+ &text_msg);
+ if (!tdata) {
+ puts("Error creating request");
+ return;
+ }
+ rc = pjsip_endpt_send_request(global.endpt, tdata, -1, NULL, &generic_request_callback);
+ if (rc == 0) {
+ printf("Sending IM message %d\n", global.im_counter);
+ ++global.im_counter;
+ } else {
+ printf("Error: unable to send IM message!\n");
+ }
+ }
+}
+
+static void ui_send_options()
+{
+ char line[100];
+ pj_str_t str;
+ int selection, rc;
+ pjsip_tx_data *tdata;
+ pjsip_method options;
+
+ if (ui_input_url(&str, line, sizeof(line), &selection) == NULL)
+ return;
+
+ pjsip_method_set( &options, PJSIP_OPTIONS_METHOD );
+
+ if (selection == 0) {
+ /* Send OPTIONS to current dialog. */
+ tdata = pjsip_dlg_create_request(global.cur_dlg, &options, -1);
+ if (tdata)
+ pjsip_dlg_send_msg( global.cur_dlg, tdata );
+ } else {
+ /* Send OPTIONS to arbitrary party. */
+ tdata = pjsip_endpt_create_request( global.endpt, &options,
+ &str,
+ &global.local_uri, &str,
+ &global.real_contact,
+ NULL, -1, NULL);
+ if (tdata) {
+ rc = pjsip_endpt_send_request( global.endpt, tdata, -1, NULL,
+ &generic_request_callback);
+ if (rc != 0)
+ PJ_LOG(2,(THIS_FILE, "Error sending OPTIONS!"));
+ }
+ }
+}
+
+static void init_presence()
+{
+ const pjsip_presence_cb pres_cb = {
+ NULL,
+ &pres_on_received_request,
+ &pres_on_received_refresh,
+ &pres_on_received_update,
+ &pres_on_terminated
+ };
+
+ pjsip_presence_init(&pres_cb);
+}
+
+/* Subscribe presence information for all buddies. */
+static void subscribe_buddies_presence()
+{
+ int i;
+ for (i=0; i<global.buddy_cnt; ++i) {
+ pjsip_presentity *pres;
+ if (global.buddy_pres[i])
+ continue;
+ pres = pjsip_presence_create( global.endpt, &global.local_uri,
+ &global.buddy[i], PRESENCE_TIMEOUT, (void*)i);
+ if (pres) {
+ pjsip_presence_set_credentials( pres, global.cred_count, global.cred_info );
+ pjsip_presence_subscribe( pres );
+ }
+ global.buddy_pres[i] = pres;
+ }
+}
+
+/* Unsubscribe presence information for all buddies. */
+static void unsubscribe_buddies_presence()
+{
+ int i;
+ for (i=0; i<global.buddy_cnt; ++i) {
+ pjsip_presentity *pres = global.buddy_pres[i];
+ if (pres) {
+ pjsip_presence_unsubscribe(pres);
+ pjsip_presence_destroy(pres);
+ global.buddy_pres[i] = NULL;
+ }
+ }
+}
+
+/* Unsubscribe presence. */
+static void unsubscribe_presence()
+{
+ int i;
+
+ unsubscribe_buddies_presence();
+ for (i=0; i<global.pres_cnt; ++i) {
+ pjsip_presentity *pres = global.pres[i];
+ pjsip_presence_notify( pres, PJSIP_EVENT_SUB_STATE_TERMINATED, 0);
+ pjsip_presence_destroy( pres );
+ }
+}
+
+/* Advertise online status to subscribers. */
+static void update_im_status()
+{
+ int i;
+ for (i=0; i<global.pres_cnt; ++i) {
+ pjsip_presentity *pres = global.pres[i];
+ pjsip_presence_notify( pres, PJSIP_EVENT_SUB_STATE_ACTIVE,
+ !global.hide_status);
+ }
+}
+
+/*
+ * Main program.
+ */
+int main(int argc, char *argv[])
+{
+ /* set to WORKER_COUNT+1 to avoid zero size warning
+ * when threading is disabled. */
+ pj_thread_t *thread[WORKER_COUNT+1];
+ pj_caching_pool cp;
+ int i;
+
+ global.sip_port = 5060;
+ global.auto_answer = -1;
+ global.auto_hangup = -1;
+ global.app_log_level = 3;
+
+ pj_log_set_level(4);
+ pj_log_set_log_func(&log_function);
+
+ /* Init PJLIB */
+ if (pj_init() != PJ_SUCCESS)
+ return 1;
+
+ /* Init caching pool. */
+ pj_caching_pool_init(&cp, &pj_pool_factory_default_policy, 0);
+ global.pf = &cp.factory;
+
+ /* Create memory pool for application. */
+ global.pool = pj_pool_create(global.pf, "main", 1024, 0, NULL);
+
+ /* Parse command line arguments. */
+ if (parse_args(global.pool, argc, argv) != PJ_SUCCESS) {
+ pj_caching_pool_destroy(&cp);
+ return 1;
+ }
+
+ /* Init sockets */
+ if (init_sockets() != 0) {
+ pj_caching_pool_destroy(&cp);
+ return 1;
+ }
+
+ /* Initialize stack. */
+ if (init_stack() != PJ_SUCCESS) {
+ pj_caching_pool_destroy(&cp);
+ return 1;
+ }
+
+ /* Set callback to receive incoming IM */
+ pjsip_messaging_set_incoming_callback( &on_incoming_im_msg );
+
+ /* Set default worker count (can be zero) */
+ global.worker_cnt = WORKER_COUNT;
+
+ /* Create user worker thread(s), only when threading is enabled. */
+ for (i=0; i<global.worker_cnt; ++i) {
+ thread[i] = pj_thread_create( global.pool, "sip%p",
+ &worker_thread,
+ NULL, 0, NULL, 0);
+ if (thread == NULL) {
+ global.worker_quit_flag = 1;
+ for (--i; i>=0; --i) {
+ pj_thread_join(thread[i]);
+ pj_thread_destroy(thread[i]);
+ }
+ pj_caching_pool_destroy(&cp);
+ return 1;
+ }
+ }
+
+ printf("Worker thread count: %d\n", global.worker_cnt);
+
+ /* Perform registration, if required. */
+ if (global.regc) {
+ update_registration(global.regc, 1);
+ }
+
+ /* Initialize media manager. */
+ global.mmgr = pj_med_mgr_create(global.pf);
+
+ /* Init presence. */
+ init_presence();
+
+ /* Subscribe presence information of all buddies. */
+ if (!global.no_presence)
+ subscribe_buddies_presence();
+
+ /* Initializatio completes, loop waiting for commands. */
+ for (;!global.worker_quit_flag;) {
+ pj_str_t str;
+ char line[128];
+
+#if WORKER_COUNT==0
+ /* If worker thread does not exist, main thread must poll for evetns.
+ * But this won't work very well since main thread is blocked by
+ * fgets(). So keep pressing the ENTER key to get the events!
+ */
+ pj_time_val timeout = { 0, 100 };
+ pjsip_endpt_handle_events(global.endpt, &timeout);
+ puts("Keep pressing ENTER key to get the events!");
+#endif
+
+ printf("\nCurrent dialog: ");
+ print_dialog(global.cur_dlg);
+ puts("");
+
+ keystroke_help();
+
+ fgets(line, sizeof(line), stdin);
+
+ switch (*line) {
+ case 'm':
+ puts("Make outgoing call");
+ if (ui_input_url(&str, line, sizeof(line), &i) != NULL) {
+ pjsip_dlg *dlg = make_call(&str);
+ if (global.cur_dlg == NULL) {
+ global.cur_dlg = dlg;
+ }
+ }
+ break;
+ case 'i':
+ puts("Send Instant Messaging");
+ ui_send_im_message();
+ break;
+ case 'o':
+ puts("Send OPTIONS");
+ ui_send_options();
+ break;
+ case 'a':
+ if (global.cur_dlg) {
+ unsigned code;
+ pjsip_tx_data *tdata;
+ struct dialog_data *dlg_data = global.cur_dlg->user_data;
+
+ printf("Answer with status code (1xx-6xx): ");
+ fflush(stdout);
+ fgets(line, sizeof(line), stdin);
+ str = pj_str(line);
+ str.slen -= 1;
+
+ code = pj_strtoul(&str);
+ tdata = pjsip_dlg_answer(global.cur_dlg, code);
+ if (tdata) {
+ if (code/100 == 2) {
+ tdata->msg->body = dlg_data->body;
+ }
+ pjsip_dlg_send_msg(global.cur_dlg, tdata);
+
+ }
+ } else {
+ puts("No current dialog");
+ }
+ break;
+ case 'h':
+ if (global.cur_dlg) {
+ pjsip_tx_data *tdata;
+ tdata = pjsip_dlg_disconnect(global.cur_dlg, PJSIP_SC_DECLINE);
+ if (tdata) {
+ pjsip_dlg_send_msg(global.cur_dlg, tdata);
+ }
+ } else {
+ puts("No current dialog");
+ }
+ break;
+ case ']':
+ if (global.cur_dlg) {
+ global.cur_dlg = global.cur_dlg->next;
+ if (global.cur_dlg == (void*)&global.user_agent->dlg_list) {
+ global.cur_dlg = global.cur_dlg->next;
+ }
+ } else {
+ puts("No current dialog");
+ }
+ break;
+ case '[':
+ if (global.cur_dlg) {
+ global.cur_dlg = global.cur_dlg->prev;
+ if (global.cur_dlg == (void*)&global.user_agent->dlg_list) {
+ global.cur_dlg = global.cur_dlg->prev;
+ }
+ } else {
+ puts("No current dialog");
+ }
+ break;
+ case 'd':
+ pjsip_endpt_dump(global.endpt, *(line+1)=='1');
+ pjsip_ua_dump(global.user_agent);
+ break;
+ case 's':
+ if (*(line+1) == 'u')
+ subscribe_buddies_presence();
+ break;
+ case 'u':
+ if (*(line+1) == 's')
+ unsubscribe_presence();
+ break;
+ case 't':
+ global.hide_status = !global.hide_status;
+ update_im_status();
+ break;
+ case 'q':
+ goto on_exit;
+ case 'l':
+ print_all_dialogs();
+ break;
+ }
+ }
+
+on_exit:
+ /* Unregister, if required. */
+ if (global.regc) {
+ update_registration(global.regc, 0);
+ }
+
+ /* Unsubscribe presence. */
+ unsubscribe_presence();
+
+ /* Allow one second to get all events. */
+ if (1) {
+ pj_time_val end_time;
+
+ pj_gettimeofday(&end_time);
+ end_time.sec++;
+
+ PJ_LOG(3,(THIS_FILE, "Shutting down.."));
+ for (;;) {
+ pj_time_val timeout = { 0, 20 }, now;
+ pjsip_endpt_handle_events (global.endpt, &timeout);
+ pj_gettimeofday(&now);
+ PJ_TIME_VAL_SUB(now, end_time);
+ if (now.sec >= 1)
+ break;
+ }
+ }
+
+ global.worker_quit_flag = 1;
+
+ pj_med_mgr_destroy(global.mmgr);
+
+ /* Wait all threads to quit. */
+ for (i=0; i<global.worker_cnt; ++i) {
+ pj_thread_join(thread[i]);
+ pj_thread_destroy(thread[i]);
+ }
+
+ /* Destroy endpoint. */
+ pjsip_endpt_destroy(global.endpt);
+
+ /* Destroy caching pool. */
+ pj_caching_pool_destroy(&cp);
+
+ /* Close log file, if any. */
+ if (global.log_file)
+ fclose(global.log_file);
+
+ return 0;
+}
+
+/*
+ * Register static modules to the endpoint.
+ */
+pj_status_t register_static_modules( pj_size_t *count,
+ pjsip_module **modules )
+{
+ /* Reset count. */
+ *count = 0;
+
+ /* Register user agent module. */
+ modules[(*count)++] = pjsip_ua_get_module();
+ global.user_agent = modules[0]->mod_data;
+ modules[(*count)++] = pjsip_messaging_get_module();
+ modules[(*count)++] = pjsip_event_sub_get_module();
+
+ return PJ_SUCCESS;
+}