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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 QtNetwork 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 QNATIVESOCKETENGINE_P_H |
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43 #define QNATIVESOCKETENGINE_P_H |
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44 |
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45 // |
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46 // W A R N I N G |
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47 // ------------- |
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48 // |
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49 // This file is not part of the Qt API. It exists for the convenience |
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50 // of the QLibrary class. This header file may change from |
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51 // version to version without notice, or even be removed. |
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52 // |
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53 // We mean it. |
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54 // |
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55 #include "QtNetwork/qhostaddress.h" |
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56 #include "private/qabstractsocketengine_p.h" |
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57 #ifndef Q_OS_WIN |
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58 # include "qplatformdefs.h" |
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59 #else |
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60 # include <winsock2.h> |
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61 #endif |
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62 |
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63 #ifdef Q_OS_SYMBIAN |
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64 #include <private/qeventdispatcher_symbian_p.h> |
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65 #include <unistd.h> |
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66 #endif |
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67 |
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68 QT_BEGIN_NAMESPACE |
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69 |
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70 // Use our own defines and structs which we know are correct |
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71 # define QT_SS_MAXSIZE 128 |
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72 # define QT_SS_ALIGNSIZE (sizeof(qint64)) |
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73 # define QT_SS_PAD1SIZE (QT_SS_ALIGNSIZE - sizeof (short)) |
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74 # define QT_SS_PAD2SIZE (QT_SS_MAXSIZE - (sizeof (short) + QT_SS_PAD1SIZE + QT_SS_ALIGNSIZE)) |
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75 struct qt_sockaddr_storage { |
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76 short ss_family; |
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77 char __ss_pad1[QT_SS_PAD1SIZE]; |
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78 qint64 __ss_align; |
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79 char __ss_pad2[QT_SS_PAD2SIZE]; |
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80 }; |
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81 |
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82 // sockaddr_in6 size changed between old and new SDK |
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83 // Only the new version is the correct one, so always |
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84 // use this structure. |
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85 struct qt_in6_addr { |
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86 quint8 qt_s6_addr[16]; |
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87 }; |
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88 struct qt_sockaddr_in6 { |
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89 short sin6_family; /* AF_INET6 */ |
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90 quint16 sin6_port; /* Transport level port number */ |
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91 quint32 sin6_flowinfo; /* IPv6 flow information */ |
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92 struct qt_in6_addr sin6_addr; /* IPv6 address */ |
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93 quint32 sin6_scope_id; /* set of interfaces for a scope */ |
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94 }; |
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95 |
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96 union qt_sockaddr { |
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97 sockaddr a; |
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98 sockaddr_in a4; |
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99 qt_sockaddr_in6 a6; |
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100 qt_sockaddr_storage storage; |
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101 }; |
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102 |
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103 class QNativeSocketEnginePrivate; |
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104 |
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105 class Q_AUTOTEST_EXPORT QNativeSocketEngine : public QAbstractSocketEngine |
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106 { |
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107 Q_OBJECT |
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108 public: |
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109 QNativeSocketEngine(QObject *parent = 0); |
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110 ~QNativeSocketEngine(); |
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111 |
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112 bool initialize(QAbstractSocket::SocketType type, QAbstractSocket::NetworkLayerProtocol protocol = QAbstractSocket::IPv4Protocol); |
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113 bool initialize(int socketDescriptor, QAbstractSocket::SocketState socketState = QAbstractSocket::ConnectedState); |
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114 |
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115 int socketDescriptor() const; |
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116 |
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117 bool isValid() const; |
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118 |
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119 bool connectToHost(const QHostAddress &address, quint16 port); |
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120 bool connectToHostByName(const QString &name, quint16 port); |
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121 bool bind(const QHostAddress &address, quint16 port); |
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122 bool listen(); |
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123 int accept(); |
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124 void close(); |
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125 |
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126 qint64 bytesAvailable() const; |
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127 |
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128 qint64 read(char *data, qint64 maxlen); |
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129 qint64 write(const char *data, qint64 len); |
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130 |
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131 qint64 readDatagram(char *data, qint64 maxlen, QHostAddress *addr = 0, |
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132 quint16 *port = 0); |
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133 qint64 writeDatagram(const char *data, qint64 len, const QHostAddress &addr, |
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134 quint16 port); |
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135 bool hasPendingDatagrams() const; |
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136 qint64 pendingDatagramSize() const; |
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137 |
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138 qint64 receiveBufferSize() const; |
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139 void setReceiveBufferSize(qint64 bufferSize); |
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140 |
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141 qint64 sendBufferSize() const; |
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142 void setSendBufferSize(qint64 bufferSize); |
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143 |
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144 int option(SocketOption option) const; |
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145 bool setOption(SocketOption option, int value); |
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146 |
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147 bool waitForRead(int msecs = 30000, bool *timedOut = 0); |
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148 bool waitForWrite(int msecs = 30000, bool *timedOut = 0); |
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149 bool waitForReadOrWrite(bool *readyToRead, bool *readyToWrite, |
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150 bool checkRead, bool checkWrite, |
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151 int msecs = 30000, bool *timedOut = 0); |
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152 |
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153 bool isReadNotificationEnabled() const; |
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154 void setReadNotificationEnabled(bool enable); |
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155 bool isWriteNotificationEnabled() const; |
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156 void setWriteNotificationEnabled(bool enable); |
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157 bool isExceptionNotificationEnabled() const; |
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158 void setExceptionNotificationEnabled(bool enable); |
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159 |
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160 public Q_SLOTS: |
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161 // non-virtual override; |
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162 void connectionNotification(); |
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163 |
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164 private: |
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165 Q_DECLARE_PRIVATE(QNativeSocketEngine) |
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166 Q_DISABLE_COPY(QNativeSocketEngine) |
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167 }; |
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168 |
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169 #ifdef Q_OS_WIN |
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170 class QWindowsSockInit |
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171 { |
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172 public: |
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173 QWindowsSockInit(); |
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174 ~QWindowsSockInit(); |
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175 int version; |
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176 }; |
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177 #endif |
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178 |
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179 class QSocketNotifier; |
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180 |
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181 class QNativeSocketEnginePrivate : public QAbstractSocketEnginePrivate |
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182 { |
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183 Q_DECLARE_PUBLIC(QNativeSocketEngine) |
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184 public: |
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185 QNativeSocketEnginePrivate(); |
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186 ~QNativeSocketEnginePrivate(); |
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187 |
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188 int socketDescriptor; |
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189 |
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190 QSocketNotifier *readNotifier, *writeNotifier, *exceptNotifier; |
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191 |
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192 #ifdef Q_OS_WIN |
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193 QWindowsSockInit winSock; |
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194 #endif |
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195 |
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196 enum ErrorString { |
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197 NonBlockingInitFailedErrorString, |
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198 BroadcastingInitFailedErrorString, |
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199 NoIpV6ErrorString, |
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200 RemoteHostClosedErrorString, |
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201 TimeOutErrorString, |
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202 ResourceErrorString, |
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203 OperationUnsupportedErrorString, |
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204 ProtocolUnsupportedErrorString, |
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205 InvalidSocketErrorString, |
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206 HostUnreachableErrorString, |
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207 NetworkUnreachableErrorString, |
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208 AccessErrorString, |
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209 ConnectionTimeOutErrorString, |
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210 ConnectionRefusedErrorString, |
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211 AddressInuseErrorString, |
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212 AddressNotAvailableErrorString, |
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213 AddressProtectedErrorString, |
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214 DatagramTooLargeErrorString, |
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215 SendDatagramErrorString, |
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216 ReceiveDatagramErrorString, |
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217 WriteErrorString, |
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218 ReadErrorString, |
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219 PortInuseErrorString, |
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220 NotSocketErrorString, |
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221 InvalidProxyTypeString, |
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222 |
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223 UnknownSocketErrorString = -1 |
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224 }; |
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225 |
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226 void setError(QAbstractSocket::SocketError error, ErrorString errorString) const; |
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227 |
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228 // native functions |
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229 int option(QNativeSocketEngine::SocketOption option) const; |
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230 bool setOption(QNativeSocketEngine::SocketOption option, int value); |
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231 |
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232 bool createNewSocket(QAbstractSocket::SocketType type, QAbstractSocket::NetworkLayerProtocol protocol); |
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233 |
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234 bool nativeConnect(const QHostAddress &address, quint16 port); |
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235 bool nativeBind(const QHostAddress &address, quint16 port); |
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236 bool nativeListen(int backlog); |
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237 int nativeAccept(); |
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238 qint64 nativeBytesAvailable() const; |
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239 |
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240 bool nativeHasPendingDatagrams() const; |
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241 qint64 nativePendingDatagramSize() const; |
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242 qint64 nativeReceiveDatagram(char *data, qint64 maxLength, |
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243 QHostAddress *address, quint16 *port); |
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244 qint64 nativeSendDatagram(const char *data, qint64 length, |
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245 const QHostAddress &host, quint16 port); |
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246 qint64 nativeRead(char *data, qint64 maxLength); |
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247 qint64 nativeWrite(const char *data, qint64 length); |
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248 int nativeSelect(int timeout, bool selectForRead) const; |
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249 int nativeSelect(int timeout, bool checkRead, bool checkWrite, |
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250 bool *selectForRead, bool *selectForWrite) const; |
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251 |
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252 void nativeClose(); |
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253 |
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254 bool checkProxy(const QHostAddress &address); |
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255 bool fetchConnectionParameters(); |
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256 }; |
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257 |
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258 QT_END_NAMESPACE |
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259 |
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260 #endif // QNATIVESOCKETENGINE_P_H |