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1 /* |
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2 * Copyright (c) 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 the License "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: A class that fetches resources via HTTP 1.1. |
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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 "SessionHttpConnection.h" |
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20 #include "FeedsServerSession.h" |
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21 #include "Logger.h" |
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22 |
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23 |
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24 // ----------------------------------------------------------------------------- |
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25 // CSessionHttpConnection::NewL |
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26 // |
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27 // Two-phased constructor. |
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28 // ----------------------------------------------------------------------------- |
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29 // |
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30 CSessionHttpConnection* CSessionHttpConnection::NewL( CFeedsServerSession& aFeedsSession ) |
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31 { |
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32 CSessionHttpConnection* self = new (ELeave) CSessionHttpConnection( aFeedsSession ); |
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33 |
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34 CleanupStack::PushL(self); |
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35 self->ConstructL(); |
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36 CleanupStack::Pop(); |
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37 |
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38 return self; |
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39 } |
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40 |
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41 |
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42 // ----------------------------------------------------------------------------- |
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43 // CSessionHttpConnection::CSessionHttpConnection |
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44 // C++ default constructor can NOT contain any code, that |
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45 // might leave. |
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46 // ----------------------------------------------------------------------------- |
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47 // |
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48 CSessionHttpConnection::CSessionHttpConnection( CFeedsServerSession& aFeedsSession ): |
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49 iLeakTracker( CLeakTracker::EHttpConnection ), |
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50 iFeedsSession( aFeedsSession ) |
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51 { |
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52 } |
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53 |
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54 |
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55 // ----------------------------------------------------------------------------- |
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56 // CSessionHttpConnection::ConstructL |
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57 // Symbian 2nd phase constructor can leave. |
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58 // ----------------------------------------------------------------------------- |
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59 // |
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60 void CSessionHttpConnection::ConstructL() |
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61 { |
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62 BaseConstructL(); |
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63 |
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64 User::LeaveIfError( iSocketServ.Connect() ); |
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65 iConnName = HBufC::NewL( KMaxName ); |
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66 Reset(); |
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67 } |
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68 |
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69 |
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70 // ----------------------------------------------------------------------------- |
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71 // CSessionHttpConnection::~CSessionHttpConnection |
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72 // Deconstructor. |
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73 // ----------------------------------------------------------------------------- |
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74 // |
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75 CSessionHttpConnection::~CSessionHttpConnection() |
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76 { |
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77 // close http session |
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78 iSession.Close(); |
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79 |
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80 // close RConnection |
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81 Disconnect(); |
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82 delete iConnName; |
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83 |
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84 // close RSocketServer |
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85 iSocketServ.Close(); |
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86 } |
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87 |
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88 |
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89 // ----------------------------------------------------------------------------- |
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90 // CSessionHttpConnection::CreateConnection |
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91 // |
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92 // It propagates the connection callback to the browser client. |
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93 // ----------------------------------------------------------------------------- |
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94 // |
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95 TInt CSessionHttpConnection::CreateConnection(TInt* aConnectionPtr, TInt* aSockSvrHandle, |
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96 TBool* aNewConn, TApBearerType* aBearerType) |
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97 { |
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98 TInt err = KErrNone; |
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99 |
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100 // If need be establish the connection. |
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101 if( !IsConnected() ) |
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102 { |
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103 // Prepare connection name & bearer type ready for client response. |
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104 Reset(); |
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105 |
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106 // server session ask client app for connection |
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107 TRAP( err, iFeedsSession.NetworkConnectionNeededL() ); |
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108 |
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109 if ( err == KErrNone ) |
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110 { |
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111 // Start the scheduler to wait for client response. Scheduler will be stopped |
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112 // when client informs the server which bearer to use. |
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113 // |
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114 // See: |
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115 // |
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116 // [SERVER] |
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117 // CFeedsServerSession::SetConnectionL |
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118 // CSessionHttpConnection::SetConnection |
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119 // |
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120 // [CLIENT] |
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121 // CFolderItemRequestHandler::RequestCompletedL ("EFeedsServerConnectionNeeded") |
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122 // CFeedRequestHandler::RequestCompletedL ("EFeedsServerConnectionNeeded") |
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123 // |
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124 iWait.Start(); |
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125 |
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126 // At this point, assuming that the client was able to provide us |
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127 // with the connection information then we are able to open the specified |
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128 // connection. |
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129 // |
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130 // If not (e.g. client cancelled connection request) then we must clean up |
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131 // and handle the error. |
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132 if ( ConnectionInformationProvidedByClient() ) |
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133 { |
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134 // connection info come back in response from client |
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135 TName connName; |
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136 connName.Copy( *iConnName ); |
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137 err = iConnection.Open( iSocketServ, connName ); |
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138 |
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139 if ( err == KErrNone ) |
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140 { |
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141 *aNewConn = ETrue; |
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142 |
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143 if (iObserver != NULL) |
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144 { |
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145 iObserver->ConnectionAvailable(); |
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146 } |
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147 } |
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148 } |
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149 else |
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150 { |
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151 // Use current connection error value if the client was |
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152 // not able to supply connection parameters. |
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153 err = iConnectionError; |
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154 } |
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155 } |
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156 } |
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157 else |
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158 { |
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159 // Otherwise the existing connection is valid and no new connection |
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160 // is required. |
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161 *aNewConn = EFalse; |
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162 } |
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163 |
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164 // End of process - either set up the reference/pointer arguments for |
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165 // a successful connection initiation, or then inform the observer of |
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166 // the error. |
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167 if ( err == KErrNone ) |
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168 { |
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169 *aConnectionPtr = (TInt) &iConnection; |
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170 *aSockSvrHandle = iSocketServ.Handle(); |
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171 *aBearerType = iBearerType; |
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172 } |
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173 else |
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174 { |
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175 // Notify the HttpHandler that the establishing the access point failed |
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176 if (iObserver != NULL) |
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177 { |
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178 iObserver->ConnectionFailed(err); |
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179 } |
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180 } |
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181 |
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182 return err; |
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183 } |
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184 |
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185 |
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186 // ----------------------------------------------------------------------------- |
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187 // CSessionHttpConnection::IsConnected |
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188 // |
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189 // Returns whether or not the connection is active. |
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190 // ----------------------------------------------------------------------------- |
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191 // |
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192 TBool CSessionHttpConnection::IsConnected() |
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193 { |
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194 if ( !iConnection.SubSessionHandle() ) |
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195 { |
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196 iConnStage = KConnectionUninitialised; |
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197 } |
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198 else |
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199 { |
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200 TNifProgress progress; |
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201 iConnection.Progress( progress ); |
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202 iConnStage = progress.iStage; |
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203 } |
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204 |
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205 return iConnStage == KLinkLayerOpen; |
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206 } |
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207 |
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208 |
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209 // ----------------------------------------------------------------------------- |
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210 // CSessionHttpConnection::Disconnect |
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211 // |
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212 // Closes the connection. |
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213 // ----------------------------------------------------------------------------- |
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214 // |
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215 void CSessionHttpConnection::Disconnect() |
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216 { |
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217 if (IsConnected()) |
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218 { |
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219 iConnection.Close(); |
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220 } |
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221 } |
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222 |
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223 |
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224 // ----------------------------------------------------------------------------- |
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225 // CSessionHttpConnection::CancelAnyConnectionAttempt |
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226 // |
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227 // Closes the connection. |
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228 // ----------------------------------------------------------------------------- |
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229 // |
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230 void CSessionHttpConnection::CancelAnyConnectionAttempt() |
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231 { |
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232 SetObserver(NULL); |
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233 if ( iWait.IsStarted() ) |
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234 { |
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235 iWait.AsyncStop(); |
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236 } |
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237 |
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238 Reset(); |
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239 |
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240 iConnectionError = KErrCancel; |
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241 } |
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242 |
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243 |
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244 // ----------------------------------------------------------------------------- |
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245 // CSessionHttpConnection::SetConnection |
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246 // |
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247 // Sets the connection. |
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248 // ----------------------------------------------------------------------------- |
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249 // |
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250 TBool CSessionHttpConnection::SetConnection( TDesC& aName, TInt aBearerType ) |
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251 { |
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252 TBool ret = EFalse; |
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253 |
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254 // unblocking |
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255 if ( iWait.IsStarted() ) |
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256 { |
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257 iConnName->Des().Copy( aName ); |
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258 iBearerType = (TApBearerType) aBearerType; |
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259 iConnectionError = KErrNone; |
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260 |
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261 ret = ETrue; |
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262 |
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263 iWait.AsyncStop(); |
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264 } |
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265 |
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266 return ret; |
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267 } |
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268 |
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269 |
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270 //-------------------------------------------------------------------------- |
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271 //CSessionHttpConnection::Reset() |
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272 //-------------------------------------------------------------------------- |
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273 void CSessionHttpConnection::Reset() |
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274 { |
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275 iConnectionError = KErrNotReady; |
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276 iConnName->Des().Zero(); |
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277 iBearerType = EApBearerTypeAllBearers; |
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278 } |
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279 |
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280 |
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281 //-------------------------------------------------------------------------- |
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282 //CSessionHttpConnection::ConnectionInformationProvidedByClient() |
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283 //-------------------------------------------------------------------------- |
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284 TBool CSessionHttpConnection::ConnectionInformationProvidedByClient() const |
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285 { |
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286 return ( iConnName->Length() > 0 ); |
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287 } |
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288 |
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289 |
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290 |
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291 |