vmcpdevice.hxx

SIP（Session Initiation Protocol）是由IETF定义

#ifndef VmcpDevice_HXX
#define VmcpDevice_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 [e-mail].
 *
 * 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 $1,000, NOR FOR ANY INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 * 
 * ====================================================================
 * 
 * This software consists of voluntary contributions made by Vovida
 * Networks, Inc. and many individuals on behalf of Vovida Networks,
 * Inc.  For more information on Vovida Networks, Inc., please see
 * <http://www.vovida.org/>.
 *
 */
static const char* const VmcpDevice_hxx_Version =
    "$Id: VmcpDevice.hxx,v 1.4.2.1 2003/03/03 20:45:30 sprajpat Exp $";

//#include "Vmcp.h"
#include "PlayQueue.h"
#include "Recorder.h"
#include "VmTime.h"
#include "DeviceEvent.hxx"
#include "MediaDevice.hxx"
#include "VmcpThread.hxx"

class Vmcp;

namespace Vocal
{


namespace UA
{
    

/**
 * This class is used as a SIP talking front end for voice mail server.
 * It talks Voice Mail Control Protocol with voicemail server.
 * It is used to play/record messages controlled by the VmServer.
 * It also handles the DTMF digits.
 */
class VmcpDevice: public MediaDevice
{
    public:
        ///
        VmcpDevice(int id);

        ///
        ~VmcpDevice(void);

        ///Called by the base class audio thread to play/record messages
        void processAudio ();

        /** add VmServer connection socket to the fd set
         * returns 0 if successful, errorcode otherwise
         */
        int addToFdSet (fd_set* fd);

        /** process all events received from VmServer. returns 0 if successful,
         *  otherwise returns an errorcode.
         */
        int process (fd_set* fd);

        /** start the device for audio processing
         * returns 0 if successful, errorcode otherwise
         */
        int start ();

        /** stops the device
         * returns 0 if successful, errorcode otherwise
         */
        int stop (void);

        ///Set the call-info for the call received
        void provideCallInfo(Data sCallerId, 
                             Data sCalleeId, Data sForwardReason);

        ///Sinks the received data to the recorder
        void sinkData(char* data, int length, VCodecType type=G711U);

        ///Main processing thread to process events from VmServer
        void vmThread();
    private:
        int  resume() { return 0; }
        int  suspend() { return 0; }
        ///
        int connectToVmServer();
        ///
        void reportEvent( DeviceEventType eventType );

        bool hasPlayed; 

        // VoiceMail Control Protocol stack
        Vmcp* myVmStack;

        int myId;

        bool audioActive;
        bool hookStateOffhook;
        bool serverAvailable;

        struct timeval prevRtpPacketTime;
        Data CallerId;
        Data CalleeId;
        Data ForwardReason;
        int NumberOfForwards;
        int fwdFlag;

        // Vmcp socket
	int ss; 	

        ///Player
        PlayQueue player;
        ///recorder
        Recorder recorder;

        VmTime nextTime;
        VmTime nextRecTime;
        int networkPktSize;
        Sptr<VmcpThread> myVmServerThread;
};
 
}

}


/* Local Variables: */
/* c-file-style: "stroustrup" */
/* indent-tabs-mode: nil */
/* c-file-offsets: ((access-label . -) (inclass . ++)) */
/* c-basic-offset: 4 */
/* End: */

#endif