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compressor.h
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20 
21 #ifndef COMPRESSOR_H
22 #define COMPRESSOR_H
23 
24 #include <QObject>
25 
26 class QTcpSocket;
27 
28 #ifdef HAVE_ZLIB
29  typedef struct z_stream_s *z_streamp;
30 #else
31  typedef struct mz_stream_s *z_streamp;
32 #endif
33 
34 class Compressor : public QObject
35 {
36  Q_OBJECT
37 
38 public:
44  };
45 
46  enum Error {
50  };
51 
55  };
56 
57  Compressor(QTcpSocket *socket, CompressionLevel level, QObject *parent = 0);
58  ~Compressor();
59 
61 
62  qint64 bytesAvailable() const;
63 
64  qint64 read(char *data, qint64 maxSize);
65  qint64 write(const char *data, qint64 count, WriteBufferHint flush = Flush);
66 
67  void flush();
68 
69 signals:
70  void readyRead();
71  void error(Compressor::Error errorCode = StreamError);
72 
73 private slots:
74  void readData();
75 
76 private:
77  bool initStreams();
78  void writeData();
79 
80 private:
81  QTcpSocket *_socket;
83 
84  QByteArray _readBuffer;
85  QByteArray _writeBuffer;
86 
87  QByteArray _inputBuffer;
88  QByteArray _outputBuffer;
89 
92 };
93 
94 #endif