/*
 * opalh323_backend.cpp
 *
 * Backend for OpalH323 module, implements 
 * H323 handling via OPAL library
 *
 * Copyright (c) 2007 Lukasz Zwierko (lzwierko@gmail.com)
 *
 * The contents of this file are subject to the Mozilla Public License
 * Version 1.0 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
 * the License for the specific language governing rights and limitations
 * under the License.
 *
 *
 * The Initial Developer of the Original Code is Lukasz Zwierko (lzwierko@gmail.com)
 *
 * Contributor(s):
 *
 * $Log: opalh323_backend.cpp,v $
 *
 * Revision 1.00  2007/10/24 07:29:52  lzwierko
 * Initial revision
 */

#ifndef __FREESWITCH_OPALH323_BACKEND__
#define __FREESWITCH_OPALH323_BACKEND__

#include <switch.h>
#include <opal/manager.h>
#include <opal/endpoint.h>
#include <opal/mediastrm.h>


class H323EndPoint;

/** This class is OpalManager implementation
 *  for FreeSWITCH OpalH323 module.
 *  All methods are inherited from base OpalManagerClass.
 *  Event callbacks will be filed with valid code
 *  Additional functions have been implemented to be called, or called by 
 */
class FSOpalManager : public OpalManager
{
    PCLASSINFO(FSOpalManager, PObject);
    
public:
    
    /** Default constructor
     *
     */
    FSOpalManager();
    
    /** Destructor
     *
     */
    ~FSOpalManager();
    
    /** 
     *  Method does real initialization of the manager
     */
    bool initialize(
            switch_memory_pool_t* i_memoryPool,
            switch_endpoint_interface_t *i_endpointInterface,
            );
    
    /** FS callback handlers declarations
     *
     */
    switch_status_t callback_on_init(switch_core_session_t *io_session);
    switch_status_t callback_on_ring(switch_core_session_t *io_session);
    switch_status_t callback_on_execute(switch_core_session_t *io_session);
    switch_status_t callback_on_hangup(switch_core_session_t *io_session);
    switch_status_t callback_on_loopback(switch_core_session_t *io_session);
    switch_status_t callback_on_transmit(switch_core_session_t *io_session);
    
private:
    
    bool                        m_isInitilized;             /* true if module has been initialized properly */
    H323Endpoint                *m_pH323Endpoint;           /* h323 endpoint control */
    switch_memory_pool_t        *m_pMemoryPool;             /* FS memory pool */
    switch_endpoint_interface_t *m_pEndpointInterface;      /* FS endpoint inerface */
    switch_hash_t               *m_pSessionsHashTable;      /* Stores pointrs to session object for each Opal connection */
    switch_mutex_t              *m_pSessionsHashTableMutex; /* Protects hash table */
    
};



#endif