ServiceApplication.hxx
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上传日期:2013-07-25
资源大小:3048k
文件大小:6k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
C/C++
- #if !defined(VOCAL_SERVICE_APPLICATION_HXX)
- #define VOCAL_SERVICE_APPLICATION_HXX
- /* ====================================================================
- * The Vovida Software License, Version 1.0
- *
- * Copyright (c) 2000 Vovida Networks, Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The names "VOCAL", "Vovida Open Communication Application Library",
- * and "Vovida Open Communication Application Library (VOCAL)" must
- * not be used to endorse or promote products derived from this
- * software without prior written permission. For written
- * permission, please contact vocal@vovida.org.
- *
- * 4. Products derived from this software may not be called "VOCAL", nor
- * may "VOCAL" appear in their name, without prior written
- * permission of Vovida Networks, Inc.
- *
- * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND
- * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL VOVIDA
- * NETWORKS, INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT DAMAGES
- * IN EXCESS OF ,000, NOR FOR ANY INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
- * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- * ====================================================================
- *
- * This software consists of voluntary contributions made by Vovida
- * Networks, Inc. and many individuals on behalf of Vovida Networks,
- * Inc. For more information on Vovida Networks, Inc., please see
- * <http://www.vovida.org/>.
- *
- */
- static const char* const ServiceApplication_hxx_Version =
- "$Id: ServiceApplication.hxx,v 1.2 2001/05/24 09:59:09 icahoon Exp $";
- #include "Application.hxx"
- #include "Sptr.hxx"
- #include "FifoBase.h"
- #include <vector>
- #include <string>
- namespace Vocal {
- namespace Signals {
- class SignalSet;
- class SignalAction;
- }
- namespace Configuration {
- class Config;
- }
- }
- /** Vovida Open Communication Application Library.<br><br>
- */
- namespace Vocal
- {
- /** Infrastructure common to VOCAL to provide event based services.<br><br>
- */
- namespace Services
- {
- using Vocal::Signals::SignalSet;
- using Vocal::Signals::SignalAction;
- using Vocal::Configuration::Config;
- class ServiceManager;
- class Event;
- /** Service based application.<br><br>
- */
- class ServiceApplication : public Vocal::Process::Application
- {
- public:
- /** Create the service application. Initialization is done in init,
- * not here.
- */
- ServiceApplication();
- /** Destroy the service application. Uninitialization is done in
- * uninit, not here.
- */
- virtual ~ServiceApplication();
- /** Initialize the service application.
- */
- ReturnCode init(int, char **, char **);
- /** Cleanup.
- */
- void uninit();
- /** Run the service application.
- */
- ReturnCode run();
- protected:
- /** The user should provide a factory method for the user defined
- * configuration. If the user doesn't provide this, the default
- * (and somewhat incomplete) Config class will be used.
- */
- virtual Config * createConfig() const;
- /** The user can optionally provide the set of signals that will
- * cause the application to terminate gracefully. The default
- * signal set will include SIGHUP, SIGINT and SIGTERM.
- */
- virtual const vector<int> & terminateSignals() const;
- /** The user can provide the filename of the log.
- * The config has been created when this is called.
- */
- virtual string logFile() const;
- /** The last thing called by init to give the user a chance to
- * initialize. All server objects have been initialized when
- * this is called.
- */
- virtual void userInit();
- /** The first thing called by uninit to give the user a chance to
- * cleanup.
- */
- virtual void userUninit();
- /** Config accessor
- */
- Config & config();
- /** Config accessor
- */
- const Config & config() const;
- /** Fifo accessor
- */
- FifoBase< Sptr<Event> > & fifo();
- /** ServiceManager accessor
- */
- ServiceManager & serviceManager();
- private:
- /** Server configuration information.
- */
- Config * myConfig;
- /** The set of signals we are observing.
- */
- SignalSet * myTerminateSignals;
- /** The signal handler for the pervious signal set.
- */
- SignalAction * myTerminateAction;
- /** Return message fifo. Used by the service manager to
- * communicate with the subordinate threads / services.
- */
- FifoBase< Sptr<Event> > * myFifo;
- /** Mananges all services. It starts, stops and shutsdown
- * the services.
- */
- ServiceManager * myServiceMgr;
- };
- } // namespace Services
- } // namespace Vocal
- #endif // !defined(VOCAL_SERVICE_APPLICATION_HXX)