File: ReadBuffer.H

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#ifndef ReadBuffer_H
# define ReadBuffer_H

class ReadBuffer
{
  public:
    ReadBuffer(int fd, unsigned int maxReadSize = 0);
      virtual ~ ReadBuffer();

    int doRead();

    const unsigned char *getMessage(unsigned int &dataLength);

  protected:
      virtual int locateMessage(const unsigned char *start,
                                const unsigned char *end,
                                unsigned int &headerLength,
                                unsigned int &dataLength,
                                unsigned int &trailerLength) = 0;
    int fd_;
    unsigned char *buffer_;
    unsigned int length_;
    unsigned int size_;
    unsigned int start_;
    unsigned int maxReadSize_;
};

#endif /* ReadBuffer_H */