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1 /** @file |
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2 * Copyright (c) 2005-2006 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Declares ControlPoint class. |
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15 * |
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16 */ |
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17 |
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18 |
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19 // INCLUDE FILES |
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20 #include "upnptcpserver.h" |
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21 #include <commdb.h> |
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22 |
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23 #include "upnpcons.h" |
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24 #include "upnphttpsession.h" |
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25 #define KLogFile _L("DLNAWebServer.txt") |
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26 #include "upnpcustomlog.h" |
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27 #include "upnphttpservertransactioncreator.h" |
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28 |
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29 #ifdef RD_UPNP_REMOTE_ACCESS |
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30 #include "upnpipfiltermanager.h" |
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31 #endif |
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32 |
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33 // Include for Publish and Subscribe |
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34 #include <e32math.h> |
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35 |
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36 // ================= MEMBER FUNCTIONS ======================= |
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37 |
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38 // ----------------------------------------------------------------------------- |
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39 // CUpnpTcpServer::CUpnpTcpServer |
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40 // C++ default constructor |
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41 // ----------------------------------------------------------------------------- |
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42 // |
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43 CUpnpTcpServer::CUpnpTcpServer( RSocketServ* aSocketServ, |
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44 TInt aPort, |
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45 TInt aIap ) |
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46 : CActive( EPriorityNormal ) |
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47 { |
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48 CActiveScheduler::Add( this ); |
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49 |
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50 iServerPort = aPort; |
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51 iSocketServ = aSocketServ; |
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52 iActiveIap = aIap; |
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53 |
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54 iServerAddress = TInetAddr( INET_ADDR(0,0,0,0), 0 ); |
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55 iRetrySocketTimer = NULL; |
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56 iFileReadBufferSize = KRcvBufSizeDefault; |
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57 iFileWriteBufferSize = KServeFileSizeDefault; |
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58 } |
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59 |
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60 // ----------------------------------------------------------------------------- |
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61 // CUpnpTcpServer::BaseConstructL |
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62 // TcpServer might-leave initialization method. |
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63 // NOTE: Must be called by extending class |
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64 // ----------------------------------------------------------------------------- |
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65 // |
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66 void CUpnpTcpServer::BaseConstructL() |
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67 { |
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68 iRetrySocketTimer = CUpnpNotifyTimer::NewL( this ); |
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69 |
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70 CreateConnectionManagerSessionL(); |
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71 } |
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72 |
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73 // ----------------------------------------------------------------------------- |
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74 // CUpnpTcpServer::CUpnpTcpServer |
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75 // C++ default destructor |
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76 // ----------------------------------------------------------------------------- |
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77 // |
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78 CUpnpTcpServer::~CUpnpTcpServer() |
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79 { |
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80 LOG_FUNC_NAME; |
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81 PrepareToCloseSockets(); |
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82 delete iRetrySocketTimer; |
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83 |
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84 #ifdef RD_UPNP_REMOTE_ACCESS |
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85 delete iIPFilteringManager; |
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86 #endif |
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87 } |
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88 |
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89 // ----------------------------------------------------------------------------- |
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90 // CUpnpTcpServer::CreateConnectionManagerSessionL |
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91 // |
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92 // ----------------------------------------------------------------------------- |
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93 // |
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94 void CUpnpTcpServer::CreateConnectionManagerSessionL() |
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95 { |
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96 if ( !iConnectionManagerProxy ) |
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97 { |
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98 iConnectionManagerProxy = CUpnpConnectionManagerProxy::NewL( *iSocketServ ); |
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99 TInt error = iConnectionManagerProxy->EnsureStart(); |
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100 if ( error ) |
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101 { |
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102 LOGS1H( iHandle, "CUpnpTcpServer::OpenSocketL *** Error in attaching: %d", error ); |
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103 |
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104 // Nothing else to do but leave, connection is not possible and |
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105 // can't access network |
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106 User::LeaveIfError( error ); |
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107 } |
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108 } |
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109 } |
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110 |
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111 // ----------------------------------------------------------------------------- |
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112 // CUpnpTcpServer::ListenL |
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113 // Listen incoming connections |
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114 // ----------------------------------------------------------------------------- |
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115 // |
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116 void CUpnpTcpServer::OpenSocketL() |
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117 { |
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118 CreateConnectionManagerSessionL(); |
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119 |
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120 SetServerAddress( iConnectionManagerProxy->LocalAddress() ); |
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121 iActiveIap = iConnectionManagerProxy->ActiveIap(); |
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122 |
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123 LOGSH( iHandle, "CUpnpTcpServer::ListenL()"); |
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124 |
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125 TInt error = iServerSocket.Open( *iSocketServ, KAfInet, KSockStream, |
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126 KProtocolInetTcp, |
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127 iConnectionManagerProxy->ConnectionL() ); |
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128 |
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129 if ( error != KErrNone) |
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130 { |
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131 LOGSH( iHandle, "CUpnpTcpServer ListenL - Open failed."); |
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132 User::Leave( error ); |
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133 } |
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134 } |
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135 |
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136 // ----------------------------------------------------------------------------- |
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137 // CUpnpTcpServer::BindRandomPortL |
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138 // ----------------------------------------------------------------------------- |
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139 // |
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140 void CUpnpTcpServer::BindRandomPortL() |
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141 { |
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142 LOG_FUNC_NAME; |
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143 iServerPort = NewPortNumberL(); |
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144 |
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145 TInetAddr addr = TInetAddr(iServerPort); |
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146 |
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147 TInt error = iServerSocket.Bind( addr ); |
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148 |
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149 if ( KErrNone == error ) |
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150 { |
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151 error = StartToListenL(); |
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152 } |
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153 // If the port is in use, then get a new port number and try again. |
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154 else if ( KErrInUse == error ) |
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155 { |
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156 LOGS1H( iHandle, "CUpnpTcpServer ListenL - Bind fail, trying new port: %d", iServerPort); |
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157 |
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158 |
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159 while ( KErrInUse == error ) |
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160 { |
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161 iServerPort = NewPortNumberL(); |
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162 iServerAddress.SetPort( iServerPort ); |
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163 error = iServerSocket.Bind( iServerAddress ); |
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164 if ( KErrNone == error ) |
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165 { |
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166 error = StartToListenL(); |
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167 } |
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168 } |
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169 if ( KErrNone != error ) |
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170 { |
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171 LOGS1H( iHandle, "CUpnpTcpServer ListenL Bind fail: %d", error); |
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172 |
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173 iServerSocket.Close(); |
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174 } |
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175 } |
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176 // Bind failed, close socket and log problem |
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177 else |
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178 { |
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179 iServerSocket.Close(); |
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180 LOGS1H( iHandle, "CUpnpTcpServer ListenL -RSocket::Bind fail: %d", error); |
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181 } |
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182 // In case of failure, there is nothing else to do but leave. |
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183 // Construction will fail. |
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184 if ( KErrNone != error ) |
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185 { |
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186 LOGSH( iHandle, "CUpnpTcpServer ListenL - Bind or listen failed."); |
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187 |
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188 User::Leave( error ); |
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189 } |
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190 } |
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191 |
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192 // ----------------------------------------------------------------------------- |
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193 // CUpnpTcpServer::BindL |
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194 // ----------------------------------------------------------------------------- |
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195 // |
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196 void CUpnpTcpServer::BindL( const TInt aPort) |
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197 { |
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198 LOGS1H( iHandle , "CUpnpTcpServer BindL to fixed port %d" , aPort); |
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199 iServerPort = aPort; |
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200 |
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201 TInetAddr addr( iServerPort ); |
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202 TInt error( iServerSocket.Bind( addr ) ); |
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203 if( error == KErrNone ) |
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204 { |
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205 User::LeaveIfError( StartToListenL() ); |
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206 } |
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207 else |
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208 { |
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209 LOGSH( iHandle, "CUpnpTcpServer ListenL - open, Bind or listen failed"); |
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210 iServerSocket.Close(); |
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211 User::Leave( error ) ; |
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212 } |
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213 |
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214 } |
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215 |
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216 // ----------------------------------------------------------------------------- |
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217 // CUpnpTcpServer::StartToListenL |
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218 // Start to listen a socket. |
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219 // ----------------------------------------------------------------------------- |
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220 // |
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221 TInt CUpnpTcpServer::StartToListenL() |
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222 { |
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223 TInt error = iServerSocket.Listen( UpnpSocket::KMaxConnectionsInQueue ); |
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224 if ( KErrNone == error ) |
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225 { |
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226 // Both bind and listen ok, accept connection if OK |
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227 LOGS1H( iHandle, "CUpnpTcpServer::StartToListenL - at port %i", ServerPort() ); |
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228 |
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229 AcceptConnectionL(); |
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230 } |
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231 // Listen failed, close socket and log problem |
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232 else |
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233 { |
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234 iServerSocket.Close(); |
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235 LOGS1H( iHandle, "CUpnpTcpServer StartToListenL - fail: %d" , error); |
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236 } |
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237 return error; |
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238 } |
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239 |
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240 // ----------------------------------------------------------------------------- |
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241 // CUpnpTcpServer::AcceptConnection |
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242 // Open connection |
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243 // ----------------------------------------------------------------------------- |
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244 // |
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245 void CUpnpTcpServer::AcceptConnectionL() |
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246 { |
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247 LOG_FUNC_NAME; |
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248 TInt error = 0; |
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249 |
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250 if( iSessionList.Count() >= KMaxConnectionCount ) |
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251 { |
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252 LOGSH( iHandle, "CUpnpTcpServer::AcceptConnectionL - HTTP *** SessionList full"); |
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253 |
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254 StartRetryTimer(); |
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255 return; |
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256 } |
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257 |
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258 error = iClientSocket.Open( *iSocketServ ); |
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259 if ( error < KErrNone ) |
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260 { |
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261 LOGS1H( iHandle, "CUpnpTcpServer::AcceptConnectionL - error to open client socket,%i", error); |
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262 |
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263 iClientSocket.Close(); |
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264 |
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265 StartRetryTimer(); |
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266 } |
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267 else |
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268 { |
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269 iServerSocket.Accept( iClientSocket, iStatus ); |
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270 SetActive(); |
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271 iState = EAccepting; |
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272 LOGSH( iHandle, "CUpnpTcpServer::AcceptConnection - State = EAccepting "); |
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273 } |
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274 |
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275 } |
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276 |
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277 // ----------------------------------------------------------------------------- |
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278 // CUpnpTcpServer::DeleteSession |
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279 // Delete sessions. |
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280 // ----------------------------------------------------------------------------- |
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281 // |
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282 void CUpnpTcpServer::DeleteSession( CUpnpTcpSession* aSession ) |
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283 { |
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284 LOG_FUNC_NAME; |
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285 TInt pos = iSessionList.Find( aSession ); |
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286 |
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287 if( pos != KErrNotFound ) |
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288 { |
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289 iSessionList.Remove( pos ); |
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290 iSessionList.Compress(); |
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291 delete aSession; |
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292 aSession = NULL; |
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293 } |
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294 } |
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295 |
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296 // ----------------------------------------------------------------------------- |
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297 // CUpnpTcpServer::RunL |
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298 // State machine |
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299 // ----------------------------------------------------------------------------- |
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300 // |
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301 void CUpnpTcpServer::RunL() |
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302 { |
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303 switch ( iState ) |
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304 { |
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305 case EAccepting: |
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306 { |
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307 if( iStatus == KErrNone ) |
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308 { |
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309 iClientSocket.SetOpt( KSoTcpNoDelay, KSolInetTcp, 1 ); |
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310 |
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311 #ifdef RD_UPNP_REMOTE_ACCESS |
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312 /************** IPFIltering ********************/ |
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313 TInetAddr tempAddr; |
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314 iClientSocket.RemoteName( tempAddr ); |
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315 tempAddr.ConvertToV4(); |
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316 |
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317 if( iIPFilteringManager && !iIPFilteringManager->IsAllowed( tempAddr ) ) |
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318 { |
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319 iClientSocket.Close(); //mozliwe ze konieczny bedzie jeszcze |
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320 //Shutdown - EImmediate; default jest ENormal |
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321 AcceptConnectionL() ; |
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322 break; |
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323 } |
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324 |
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325 #if _DEBUG |
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326 TBuf<20> addrBuf; |
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327 tempAddr.Output( addrBuf ); |
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328 #endif |
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329 /******************* IPFiltering END *******************/ |
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330 #endif |
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331 |
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332 CUpnpTcpSession* sess = ConnectionAcceptedL( iClientSocket ); |
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333 iSessionList.Append( sess ); |
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334 |
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335 } |
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336 else |
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337 { |
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338 iClientSocket.Close(); |
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339 } |
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340 |
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341 AcceptConnectionL(); |
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342 |
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343 break; |
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344 } |
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345 |
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346 default: |
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347 break; |
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348 } |
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349 } |
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350 |
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351 // ----------------------------------------------------------------------------- |
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352 // CUpnpTcpServer::RunError |
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353 // RunError is called when RunL leaves. |
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354 // ----------------------------------------------------------------------------- |
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355 // |
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356 TInt CUpnpTcpServer::RunError( TInt aError ) |
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357 { |
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358 LOGS1H( iHandle, "CUpnpTcpServer::RunError - Error: %d", aError); |
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359 StartRetryTimer(); |
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360 return KErrNone; |
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361 } |
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362 |
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363 // ----------------------------------------------------------------------------- |
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364 // CUpnpTcpServer::StopTcpServerL |
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365 // Stop session and reset the lists |
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366 // ----------------------------------------------------------------------------- |
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367 // |
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368 void CUpnpTcpServer::StopTcpServerL() |
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369 { |
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370 LOG_FUNC_NAME; |
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371 for( TInt i(0) ; i < iSessionList.Count() ; i++ ) |
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372 { |
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373 iSessionList[i]->NotifyTimeoutL(); |
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374 } |
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375 PrepareToCloseSockets(); |
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376 } |
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377 |
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378 // ----------------------------------------------------------------------------- |
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379 // CUpnpTcpServer::PrepareToCloseSockets |
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380 // ----------------------------------------------------------------------------- |
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381 // |
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382 void CUpnpTcpServer::PrepareToCloseSockets() |
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383 { |
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384 iSessionList.ResetAndDestroy(); |
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385 if ( IsActive() ) |
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386 { |
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387 Cancel(); |
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388 } |
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389 else |
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390 { |
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391 CancelRetryTimer(); |
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392 CloseSockets(); |
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393 } |
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394 delete iConnectionManagerProxy; |
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395 iConnectionManagerProxy = NULL; |
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396 } |
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397 |
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398 // ----------------------------------------------------------------------------- |
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399 // CUpnpTcpServer::DoCancel |
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400 // Cancel outstanding operations and close the connection |
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401 // ----------------------------------------------------------------------------- |
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402 // |
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403 void CUpnpTcpServer::DoCancel() |
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404 { |
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405 CancelRetryTimer(); |
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406 |
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407 iServerSocket.CancelAll(); |
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408 |
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409 CloseSockets(); |
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410 |
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411 LOGSH( iHandle, "CUpnpTcpServer::DoCancel - iState = ENotListening" ); |
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412 } |
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413 |
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414 // ----------------------------------------------------------------------------- |
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415 // CUpnpTcpServer::CloseSockets |
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416 // ----------------------------------------------------------------------------- |
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417 // |
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418 void CUpnpTcpServer::CloseSockets() |
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419 { |
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420 iServerSocket.Close(); |
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421 |
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422 iClientSocket.Close(); |
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423 |
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424 iState = ENotListening; |
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425 LOGSH( iHandle, "CUpnpTcpServer::CloseSockets - iState = ENotListening" ); |
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426 } |
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427 |
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428 // ----------------------------------------------------------------------------- |
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429 // CUpnpTcpServer::ServerAddress |
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430 // Return server address. |
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431 // ----------------------------------------------------------------------------- |
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432 // |
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433 void CUpnpTcpServer::ServerAddress( TInetAddr& aAddr ) |
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434 { |
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435 LOG_FUNC_NAME; |
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436 aAddr = iServerAddress; |
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437 } |
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438 |
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439 // ----------------------------------------------------------------------------- |
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440 // CUpnpTcpServer::SetServerAddress |
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441 // Set new server address. |
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442 // ----------------------------------------------------------------------------- |
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443 // |
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444 void CUpnpTcpServer::SetServerAddress( const TInetAddr& aAddr ) |
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445 { |
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446 iServerAddress = aAddr; |
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447 } |
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448 |
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449 // ----------------------------------------------------------------------------- |
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450 // CUpnpTcpServer::ServerPort |
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451 // Return server port number, |
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452 // ----------------------------------------------------------------------------- |
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453 // |
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454 TUint CUpnpTcpServer::ServerPort() |
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455 { |
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456 return iServerPort; |
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457 } |
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458 |
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459 // ----------------------------------------------------------------------------- |
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460 // CUpnpTcpServer::HWAddressL |
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461 // Return hardware address. |
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462 // ----------------------------------------------------------------------------- |
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463 // |
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464 TSockAddr* CUpnpTcpServer::HWAddressL() |
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465 { |
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466 LOG_FUNC_NAME; |
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467 // Fetch IP address |
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468 ServerAddress(iServerAddress); |
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469 |
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470 // return value is TSockAddr* because it won't work |
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471 // correctly always with TSockAddr |
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472 TPckgBuf<TSoInetInterfaceInfo> item; |
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473 |
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474 RSocket sock; |
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475 |
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476 TInt result = sock.Open( *iSocketServ, KAfInet, KSockStream, |
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477 KProtocolInetTcp, iConnectionManagerProxy->ConnectionL() ); |
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478 if ( KErrNone == result ) |
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479 { |
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480 result = sock.GetOpt( KSoInetNextInterface, KSolInetIfCtrl, item ); |
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481 |
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482 // checking all interfaces. If interface has same IP address as socket, is |
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483 // the current active interface. In this case we get that interface's |
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484 // hardware address. |
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485 while ( result == KErrNone ) |
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486 { |
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487 TSoInetInterfaceInfo& ifInfo = item(); |
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488 TInetAddr ifAddr = ifInfo.iAddress; |
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489 ifAddr.ConvertToV4(); |
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490 ifAddr.SetPort( iServerAddress.Port() ); |
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491 if ( ifAddr == iServerAddress ) |
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492 { |
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493 sock.Close(); |
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494 TSockAddr tempAddr = ifInfo.iHwAddr; |
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495 return new (ELeave) TSockAddr( tempAddr ); |
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496 } |
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497 result = sock.GetOpt( KSoInetNextInterface, KSolInetIfCtrl, item ); |
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498 } |
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499 } |
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500 |
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501 sock.Close(); |
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502 return new (ELeave) TSockAddr(); |
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503 } |
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504 |
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505 |
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506 // ----------------------------------------------------------------------------- |
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507 // CUpnpTcpServer::NewPortNumberL |
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508 // |
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509 // ----------------------------------------------------------------------------- |
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510 // |
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511 TInt CUpnpTcpServer::NewPortNumberL() |
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512 { |
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513 LOG_FUNC_NAME; |
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514 TInt id( 0 ); |
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515 |
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516 //get random port |
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517 TTime now; |
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518 now.HomeTime(); |
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519 TInt64 randSeed = now.Int64(); |
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520 id = Math::Rand( randSeed ) % (KInetMaxAutoPort-KInetMinAutoPort+1) + KInetMinAutoPort; |
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521 return id; |
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522 } |
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523 |
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524 // ----------------------------------------------------------------------------- |
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525 // CUpnpTcpServer::TimerEventL |
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526 // Function is callback from iRetrySocketTimer. This timer is used |
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527 // to retry to open new server socket. |
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528 // ----------------------------------------------------------------------------- |
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529 // |
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530 void CUpnpTcpServer::TimerEventL( CUpnpNotifyTimer* /*aTimer*/) |
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531 { |
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532 // Timer has expired, now trying to bind server socket again. |
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533 LOGSH( iHandle, "CUpnpTcpServer::TimerEventL - retrying to open new socket server"); |
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534 AcceptConnectionL(); |
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535 } |
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536 |
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537 // ----------------------------------------------------------------------------- |
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538 // CUpnpTcpServer::StartRetryTimer |
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539 // ----------------------------------------------------------------------------- |
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540 // |
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541 void CUpnpTcpServer::StartRetryTimer() |
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542 { |
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543 CancelRetryTimer(); |
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544 iRetrySocketTimer->After(KRetryTime); |
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545 } |
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546 |
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547 // ----------------------------------------------------------------------------- |
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548 // CUpnpTcpServer::SetFileWriteBufferSize |
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549 // ----------------------------------------------------------------------------- |
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550 // |
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551 void CUpnpTcpServer::SetFileWriteBufferSize(TInt aSize) |
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552 { |
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553 iFileWriteBufferSize = aSize; |
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554 } |
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555 |
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556 |
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557 // ----------------------------------------------------------------------------- |
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558 // CUpnpTcpServer::FileWriteBufferSize |
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559 // ----------------------------------------------------------------------------- |
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560 // |
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561 TInt CUpnpTcpServer::FileWriteBufferSize() |
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562 { |
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563 return iFileWriteBufferSize; |
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564 } |
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565 |
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566 // ----------------------------------------------------------------------------- |
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567 // CUpnpTcpServer::SetFileReadBufferSize |
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568 // ----------------------------------------------------------------------------- |
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569 // |
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570 void CUpnpTcpServer::SetFileReadBufferSize(TInt aSize) |
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571 { |
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572 iFileReadBufferSize = aSize; |
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573 } |
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574 |
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575 |
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576 // ----------------------------------------------------------------------------- |
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577 // CUpnpTcpServer::FileReadBufferSize |
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578 // ----------------------------------------------------------------------------- |
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579 // |
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580 TInt CUpnpTcpServer::FileReadBufferSize() |
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581 { |
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582 return iFileReadBufferSize; |
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583 } |
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584 |
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585 // ----------------------------------------------------------------------------- |
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586 // CUpnpTcpServer::GetServerAddress |
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587 // Return server address. |
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588 // ----------------------------------------------------------------------------- |
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589 // |
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590 TBool CUpnpTcpServer::GetServerAddress( TInetAddr& aAddr ) |
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591 { |
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592 aAddr = iServerAddress; |
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593 return (iServerAddress.Address() != 0); |
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594 } |
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595 |
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596 // ----------------------------------------------------------------------------- |
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597 // CUpnpTcpServer::CancelRetryTimer |
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598 // ----------------------------------------------------------------------------- |
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599 // |
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600 void CUpnpTcpServer::CancelRetryTimer() |
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601 { |
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602 if ( iRetrySocketTimer ) |
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603 { |
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604 iRetrySocketTimer->Cancel(); |
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605 } |
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606 } |
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607 |
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608 // End of File |