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sems/apps/examples/cacheannounce/CacheAnnounce.cpp

135 lines
3.5 KiB

/*
* $Id: CacheAnnounce.cpp 206 2007-02-05 14:45:07Z sayer $
*
* Copyright (C) 2002-2003 Fhg Fokus
* Copyright (C) 2007 iptego GmbH
*
* This file is part of sems, a free SIP media server.
*
* sems 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.
*
* For a license to use the sems software under conditions
* other than those described here, or to purchase support for this
* software, please contact iptel.org by e-mail at the following addresses:
* info@iptel.org
*
* sems 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 "CacheAnnounce.h"
#include "AmConfig.h"
#include "AmUtils.h"
#include "sems.h"
#include "log.h"
#define MOD_NAME "cacheannounce"
EXPORT_SESSION_FACTORY(CacheAnnounceFactory,MOD_NAME);
string CacheAnnounceFactory::AnnouncePath;
string CacheAnnounceFactory::AnnounceFile;
CacheAnnounceFactory::CacheAnnounceFactory(const string& _app_name)
: AmSessionFactory(_app_name)
{
}
int CacheAnnounceFactory::onLoad()
{
AmConfigReader cfg;
if(cfg.loadFile(AmConfig::ModConfigPath + string(MOD_NAME ".conf")))
return -1;
// get application specific global parameters
configureModule(cfg);
AnnouncePath = cfg.getParameter("announce_path",ANNOUNCE_PATH);
if( !AnnouncePath.empty()
&& AnnouncePath[AnnouncePath.length()-1] != '/' )
AnnouncePath += "/";
AnnounceFile = cfg.getParameter("default_announce",ANNOUNCE_FILE);
string announce_file = AnnouncePath + AnnounceFile;
if(!file_exists(announce_file)){
ERROR("default file for cacheannounce module does not exist ('%s').\n",
announce_file.c_str());
return -1;
}
if (ann_cache.load(announce_file)) {
ERROR("file '%s' could not be cached.\n",
announce_file.c_str());
return -1;
}
return 0;
}
AmSession* CacheAnnounceFactory::onInvite(const AmSipRequest& req)
{
return new CacheAnnounceDialog(&ann_cache);
}
CacheAnnounceDialog::CacheAnnounceDialog(AmFileCache* announce)
: announce(announce)
{
}
CacheAnnounceDialog::~CacheAnnounceDialog()
{
}
void CacheAnnounceDialog::onSessionStart(const AmSipRequest& req)
{
DBG("CacheAnnounceDialog::onSessionStart\n");
startSession();
}
void CacheAnnounceDialog::onSessionStart(const AmSipReply& rep)
{
DBG("CacheAnnounceDialog::onSessionStart (SEMS originator mode)\n");
startSession();
}
void CacheAnnounceDialog::startSession(){
setDtmfDetectionEnabled(false);
wav_file.reset(new AmCachedAudioFile(announce));
if (!wav_file->is_good())
throw AmSession::Exception(500, "Internal Err");
setOutput(wav_file.get());
}
void CacheAnnounceDialog::onBye(const AmSipRequest& req)
{
DBG("onBye: stopSession\n");
setStopped();
}
void CacheAnnounceDialog::process(AmEvent* event)
{
AmAudioEvent* audio_event = dynamic_cast<AmAudioEvent*>(event);
if(audio_event && (audio_event->event_id == AmAudioEvent::cleared)){
dlg.bye();
setStopped();
return;
}
AmSession::process(event);
}