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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the Qt3Support module of the Qt Toolkit. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 |
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42 #ifndef Q3SOCKETDEVICE_H |
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43 #define Q3SOCKETDEVICE_H |
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44 |
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45 #include <QtCore/qiodevice.h> |
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46 #include <QtNetwork/qhostaddress.h> // int->QHostAddress conversion |
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47 |
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48 QT_BEGIN_HEADER |
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49 |
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50 QT_BEGIN_NAMESPACE |
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51 |
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52 QT_MODULE(Qt3Support) |
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53 |
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54 #ifndef QT_NO_NETWORK |
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55 |
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56 class Q3SocketDevicePrivate; |
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57 |
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58 class Q_COMPAT_EXPORT Q3SocketDevice: public QIODevice |
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59 { |
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60 public: |
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61 enum Type { Stream, Datagram }; |
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62 enum Protocol { IPv4, IPv6, Unknown }; |
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63 |
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64 Q3SocketDevice( Type type = Stream ); |
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65 Q3SocketDevice( Type type, Protocol protocol, int dummy ); |
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66 Q3SocketDevice( int socket, Type type ); |
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67 virtual ~Q3SocketDevice(); |
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68 |
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69 bool isValid() const; |
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70 Type type() const; |
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71 Protocol protocol() const; |
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72 |
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73 int socket() const; |
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74 virtual void setSocket( int socket, Type type ); |
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75 |
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76 bool open( OpenMode mode ); |
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77 bool open( int mode ) { return open((OpenMode)mode); } |
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78 void close(); |
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79 bool flush(); |
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80 |
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81 // Implementation of QIODevice abstract virtual functions |
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82 Offset size() const; |
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83 Offset at() const; |
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84 bool at( Offset ); |
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85 bool atEnd() const; |
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86 |
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87 bool blocking() const; |
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88 virtual void setBlocking( bool ); |
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89 |
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90 bool addressReusable() const; |
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91 virtual void setAddressReusable( bool ); |
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92 |
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93 int receiveBufferSize() const; |
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94 virtual void setReceiveBufferSize( uint ); |
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95 int sendBufferSize() const; |
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96 virtual void setSendBufferSize( uint ); |
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97 |
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98 virtual bool connect( const QHostAddress &, Q_UINT16 ); |
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99 |
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100 virtual bool bind( const QHostAddress &, Q_UINT16 ); |
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101 virtual bool listen( int backlog ); |
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102 virtual int accept(); |
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103 |
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104 qint64 bytesAvailable() const; |
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105 Q_LONG waitForMore( int msecs, bool *timeout=0 ) const; |
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106 virtual Q_LONG writeBlock( const char *data, Q_ULONG len, |
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107 const QHostAddress & host, Q_UINT16 port ); |
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108 inline Q_LONG writeBlock(const char *data, Q_ULONG len) |
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109 { return qint64(write(data, qint64(len))); } |
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110 inline qint64 readBlock(char *data, Q_ULONG maxlen) |
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111 { return qint64(read(data, qint64(maxlen))); } |
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112 |
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113 Q_UINT16 port() const; |
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114 Q_UINT16 peerPort() const; |
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115 QHostAddress address() const; |
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116 QHostAddress peerAddress() const; |
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117 |
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118 enum Error { |
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119 NoError, |
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120 AlreadyBound, |
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121 Inaccessible, |
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122 NoResources, |
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123 InternalError, |
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124 Bug = InternalError, // ### remove in 4.0? |
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125 Impossible, |
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126 NoFiles, |
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127 ConnectionRefused, |
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128 NetworkFailure, |
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129 UnknownError |
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130 }; |
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131 Error error() const; |
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132 |
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133 inline bool isSequential() const { return true; } |
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134 |
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135 protected: |
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136 void setError( Error err ); |
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137 qint64 readData(char *data, qint64 maxlen); |
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138 qint64 writeData(const char *data, qint64 len); |
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139 |
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140 private: |
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141 int fd; |
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142 Type t; |
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143 Q_UINT16 p; |
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144 QHostAddress a; |
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145 Q_UINT16 pp; |
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146 QHostAddress pa; |
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147 Q3SocketDevice::Error e; |
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148 Q3SocketDevicePrivate * d; |
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149 |
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150 enum Option { Broadcast, ReceiveBuffer, ReuseAddress, SendBuffer }; |
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151 |
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152 int option( Option ) const; |
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153 virtual void setOption( Option, int ); |
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154 |
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155 void fetchConnectionParameters(); |
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156 #if defined(Q_OS_WIN32) || defined(Q_OS_WINCE) |
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157 void fetchPeerConnectionParameters(); |
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158 #endif |
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159 |
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160 static void init(); |
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161 int createNewSocket(); |
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162 Protocol getProtocol() const; |
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163 |
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164 private: // Disabled copy constructor and operator= |
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165 #if defined(Q_DISABLE_COPY) |
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166 Q3SocketDevice( const Q3SocketDevice & ); |
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167 Q3SocketDevice &operator=( const Q3SocketDevice & ); |
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168 #endif |
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169 }; |
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170 |
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171 #endif // QT_NO_NETWORK |
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172 |
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173 QT_END_NAMESPACE |
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174 |
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175 QT_END_HEADER |
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176 |
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177 #endif // Q3SOCKETDEVICE_H |