inbandbytestream.h

/*
  Copyright (c) 2006-2008 by Jakob Schroeter <js@camaya.net>
  This file is part of the gloox library. http://camaya.net/gloox

  This software is distributed under a license. The full license
  agreement can be found in the file LICENSE in this distribution.
  This software may not be copied, modified, sold or distributed
  other than expressed in the named license agreement.

  This software is distributed without any warranty.
*/


#ifndef INBANDBYTESTREAM_H__
#define INBANDBYTESTREAM_H__

#include "messagefilter.h"
#include "iqhandler.h"
#include "gloox.h"
#include "inbandbytestreammanager.h"

namespace gloox
{

  class ClientBase;
  class InBandBytestreamDataHandler;

  class GLOOX_API InBandBytestream : public MessageFilter
  {
    friend class InBandBytestreamManager;

    public:
      virtual ~InBandBytestream();

      bool isOpen() const { return m_open; }

      bool sendBlock( const std::string& data );

      const std::string& sid() const { return m_sid; }

      int blockSize() const { return (int)m_blockSize; }

      void registerInBandBytestreamDataHandler( InBandBytestreamDataHandler *ibbdh );

      void removeInBandBytestreamDataHandler();

      // reimplemented from MessageFilter
      virtual void decorate( Tag *tag );

      // reimplemented from MessageFilter
      virtual void filter( Stanza *stanza );

    private:
      InBandBytestream( MessageSession *session, ClientBase *clientbase );
      void setBlockSize( int blockSize ) { m_blockSize = blockSize; }
      void close();  // locally
      void closed(); // by remote entity
      void setSid( const std::string& sid ) { m_sid = sid; }

      ClientBase *m_clientbase;
      InBandBytestreamManager *m_manager;
      InBandBytestreamDataHandler *m_inbandBytestreamDataHandler;
      std::string m_sid;
      std::string::size_type m_blockSize;
      int m_sequence;
      int m_lastChunkReceived;
      bool m_open;

  };

}

#endif // INBANDBYTESTREAM_H__