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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: |
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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 |
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20 #include "upnptcpsession.h" |
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21 #include "upnptcpsessionreader.h" |
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22 #include "upnptcpsessionwriter.h" |
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23 #include "upnphttpfiletransferwriter.h" |
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24 #include "upnphttpfiletransferreader.h" |
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25 #include "upnpsocketshutdown.h" |
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26 #include "upnpnotifytimer.h" |
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27 |
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28 |
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29 |
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30 // ----------------------------------------------------------------------------- |
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31 // CUpnpSocketShutdown::NewL |
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32 // |
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33 // ----------------------------------------------------------------------------- |
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34 // |
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35 CUpnpSocketShutdown* CUpnpSocketShutdown::NewL( CUpnpTcpSession& aSession, RSocket& aSocket, TThreadPriority aPriority ) |
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36 { |
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37 CUpnpSocketShutdown* self = new ( ELeave ) CUpnpSocketShutdown( aSession, aSocket, aPriority ); |
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38 CleanupStack::PushL( self ); |
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39 self->ConstructL(); |
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40 CleanupStack::Pop( self ); |
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41 return self; |
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42 } |
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43 |
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44 // ----------------------------------------------------------------------------- |
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45 // CUpnpSocketShutdown::CUpnpSocketShutdown |
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46 // |
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47 // ----------------------------------------------------------------------------- |
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48 // |
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49 CUpnpSocketShutdown::CUpnpSocketShutdown( CUpnpTcpSession& aSession, RSocket& aSocket, TThreadPriority aPriority ):CActive( aPriority ),iSession( aSession ),iSocket( aSocket ),iInternalState(EUnknown), iSessionTimeouted( EFalse ) |
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50 { |
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51 } |
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52 |
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53 // ----------------------------------------------------------------------------- |
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54 // CUpnpSocketShutdown::ConstructL |
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55 // |
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56 // ----------------------------------------------------------------------------- |
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57 // |
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58 void CUpnpSocketShutdown::ConstructL() |
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59 { |
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60 CActiveScheduler::Add( this ); |
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61 iInputTimeoutTimer = CUpnpNotifyTimer::NewL( this ); |
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62 } |
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63 |
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64 // ----------------------------------------------------------------------------- |
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65 // CUpnpSocketShutdown::~CUpnpSocketShutdown |
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66 // |
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67 // ----------------------------------------------------------------------------- |
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68 // |
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69 CUpnpSocketShutdown::~CUpnpSocketShutdown() |
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70 { |
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71 Cancel(); |
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72 delete iInputTimeoutTimer; |
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73 } |
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74 |
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75 // ----------------------------------------------------------------------------- |
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76 // CUpnpSocketShutdown::ShutdownImmediate |
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77 // Disconnect connection |
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78 // ----------------------------------------------------------------------------- |
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79 // |
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80 void CUpnpSocketShutdown::ShutdownImmediate() |
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81 { |
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82 iSession.iTcpReader->Cancel(); |
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83 iSession.iTcpWriter->Cancel(); |
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84 if( iSession.iFTReader ) |
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85 { |
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86 iSession.iFTReader->Cancel(); |
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87 } |
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88 if( iSession.iFTWriter ) |
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89 { |
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90 iSession.iFTWriter->Cancel(); |
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91 } |
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92 iSocket.Shutdown( iSocket.EImmediate, iStatus ); |
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93 iInternalState = ENotConnected; |
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94 SetActive(); |
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95 } |
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96 |
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97 // ----------------------------------------------------------------------------- |
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98 // CUpnpSocketShutdown::ShutdownStop |
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99 // Disconnect connection |
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100 // ----------------------------------------------------------------------------- |
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101 // |
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102 void CUpnpSocketShutdown::ShutdownStop() |
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103 { |
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104 if ( iInternalState == EUnknown ) |
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105 { |
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106 iSession.iTcpReader->CancelTimers(); |
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107 if( iSession.iFTReader ) |
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108 { |
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109 iSession.iFTReader->CancelTimers(); |
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110 } |
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111 |
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112 if( iSession.iTcpReader->IsActive() |
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113 || ( iSession.iFTReader && iSession.iFTReader->IsActive() ) |
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114 ) |
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115 { |
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116 iSocket.Shutdown( iSocket.EStopOutput, iStatus ); |
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117 iInternalState = EShuttingDownStopOutput ; |
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118 } |
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119 else |
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120 { |
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121 iSocket.Shutdown( iSocket.ENormal, iStatus ); |
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122 iInternalState = EShuttingDownNormal; |
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123 } |
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124 SetActive(); |
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125 } |
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126 } |
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127 |
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128 // ----------------------------------------------------------------------------- |
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129 // CUpnpSocketShutdown::MarksTimeout |
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130 // Marks if timeout occured on session |
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131 // ----------------------------------------------------------------------------- |
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132 // |
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133 void CUpnpSocketShutdown::MarksTimeout() |
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134 { |
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135 iSessionTimeouted = ETrue; |
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136 } |
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137 |
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138 // ----------------------------------------------------------------------------- |
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139 // CUpnpSocketShutdown::HandleError |
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140 // Disconnect connection |
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141 // ----------------------------------------------------------------------------- |
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142 // |
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143 void CUpnpSocketShutdown::HandleError( TInt /*aError*/ ) |
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144 { |
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145 switch ( iInternalState ) |
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146 { |
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147 case EUnknown: // error happened during reading/writing - start shutdown procedure |
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148 ShutdownStop(); |
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149 break; |
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150 case EShuttingDownStopOutput: // input error appeares while shutdown stop output is pending |
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151 // when it returns shutdown immediate is invoked in RunL |
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152 iInternalState = EInputErrorReceived; |
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153 break; |
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154 case EWaitingForInputError: // error response from reader after shutdown stop output |
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155 ShutdownImmediate(); |
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156 break; |
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157 case EShuttingDownNormal: // do nothimg session is being closed |
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158 case ENotConnected: // do nothing session is closed |
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159 default: |
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160 break; |
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161 } |
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162 } |
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163 |
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164 // ----------------------------------------------------------------------------- |
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165 // CUpnpSocketShutdown::HandleError |
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166 // Disconnect connection |
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167 // ----------------------------------------------------------------------------- |
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168 // |
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169 void CUpnpSocketShutdown::RunL() |
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170 { |
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171 switch( iInternalState ) |
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172 { |
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173 case EShuttingDownNormal: // shutdown normal response came |
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174 ShutdownImmediate(); |
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175 break; |
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176 case EShuttingDownStopOutput: // shutdown stop output response came |
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177 // waiting for KErrEof from HandleError() |
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178 if( !iSessionTimeouted ) |
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179 { |
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180 iInternalState = EWaitingForInputError; |
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181 iInputTimeoutTimer->Cancel(); |
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182 iInputTimeoutTimer->After(KSessionTimeout, EFalse); |
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183 break; |
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184 } |
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185 case EInputErrorReceived: // input error came before stop output finished |
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186 ShutdownImmediate(); |
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187 break; |
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188 case ENotConnected: // shutdown immediate response came |
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189 iSession.CloseSocketL(); |
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190 break; |
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191 default: |
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192 break; |
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193 } |
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194 } |
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195 |
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196 // ----------------------------------------------------------------------------- |
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197 // CUpnpSocketShutdown::TimerEventL |
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198 // Disconnect connection |
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199 // ----------------------------------------------------------------------------- |
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200 // |
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201 void CUpnpSocketShutdown::TimerEventL( CUpnpNotifyTimer* /*aTimer*/ ) |
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202 { |
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203 switch( iInternalState ) |
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204 { |
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205 case EWaitingForInputError: // waiting for input error timeout |
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206 ShutdownImmediate(); |
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207 break; |
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208 default: |
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209 break; |
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210 } |
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211 } |
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212 |
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213 // ----------------------------------------------------------------------------- |
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214 // CUpnpSocketShutdown::DoCancel |
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215 // Disconnect connection |
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216 // ----------------------------------------------------------------------------- |
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217 // |
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218 void CUpnpSocketShutdown::DoCancel() |
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219 { |
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220 } |
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221 |
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222 // ----------------------------------------------------------------------------- |
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223 // CUpnpSocketShutdown::HandleError |
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224 // Disconnect connection |
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225 // ----------------------------------------------------------------------------- |
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226 // |
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227 TInt CUpnpSocketShutdown::RunError( TInt /*aError*/ ) |
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228 { |
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229 return KErrNone; |
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230 } |
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231 |
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232 |