k3socketbuffer_p.h

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/*  -*- C++ -*-
 *  Copyright (C) 2003,2005 Thiago Macieira <thiago@kde.org>
 *
 *
 *  Permission is hereby granted, free of charge, to any person obtaining
 *  a copy of this software and associated documentation files (the
 *  "Software"), to deal in the Software without restriction, including
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 *  distribute, sublicense, and/or sell copies of the Software, and to
 *  permit persons to whom the Software is furnished to do so, subject to
 *  the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included 
 *  in all copies or substantial portions of the Software.
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 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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#ifndef KSOCKETBUFFER_P_H
#define KSOCKETBUFFER_P_H

#include <QMutex>
#include <QByteArray>
#include <QList>

namespace KNetwork {

class KActiveSocketBase;

  namespace Internal {

class KSocketBuffer
{
public:
  KSocketBuffer(qint64 size = -1);

  KSocketBuffer(const KSocketBuffer& other);

  ~KSocketBuffer();

  KSocketBuffer& operator=(const KSocketBuffer& other);

  bool canReadLine() const;

  qint64 readLine(char *data, qint64 maxSize);

  qint64 length() const;

  inline bool isEmpty() const
  { return length() == 0; }

  qint64 size() const;

  bool setSize(qint64 size);

  inline bool isFull() const
  { return size() != -1 && size() == length(); }

  qint64 feedBuffer(const char *data, qint64 len);

  void clear();

  qint64 consumeBuffer(char *data, qint64 maxlen, bool discard = true);

  qint64 sendTo(KActiveSocketBase* device, qint64 len = -1);

  qint64 receiveFrom(KActiveSocketBase* device, qint64 len = -1);

protected:
  mutable QMutex m_mutex;
  QList<QByteArray> m_list;
  qint64 m_offset;  

  qint64 m_size;        
  mutable qint64 m_length;
};

} }         // namespace KNetwork::Internal

#endif