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1 /** @file |
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2 * Copyright (c) 2008-2008 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: Base class for event queue manager |
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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 "upnpeventqueuemanagerbase.h" |
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20 #include "upnpgenamessagefactory.h" |
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21 #include "upnpsubscriberlibraryelement.h" |
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22 #include "upnpcommonupnplits.h" |
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23 #include "upnpcommonstructs.h" |
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24 |
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25 |
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26 #define KLogFile _L("UPnPStack.txt") |
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27 #include "upnpcustomlog.h" |
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28 |
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29 |
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30 // ----------------------------------------------------------------------------- |
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31 // CUpnpEventQueueManagerBase::CUpnpEventQueueManagerBase |
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32 // ----------------------------------------------------------------------------- |
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33 // |
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34 CUpnpEventQueueManagerBase::CUpnpEventQueueManagerBase( |
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35 CUpnpServiceImplementation& aServiceImpl, |
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36 CUpnpEventController& aEventController, |
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37 CUpnpSubscriberLibrary* aSubscriberLibrary ) |
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38 :iServiceImpl( aServiceImpl ), |
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39 iEventController( aEventController ), |
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40 iSubscriberLibrary( aSubscriberLibrary ) |
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41 { |
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42 // No implementation required |
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43 } |
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44 |
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45 // ----------------------------------------------------------------------------- |
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46 // CUpnpEventQueueManagerBase::~CUpnpEventQueueManagerBase |
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47 // ----------------------------------------------------------------------------- |
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48 // |
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49 CUpnpEventQueueManagerBase::~CUpnpEventQueueManagerBase () |
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50 { |
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51 delete iBody; |
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52 } |
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53 |
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54 // ----------------------------------------------------------------------------- |
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55 // CUpnpEventQueueManagerBase::BaseConstructL |
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56 // ----------------------------------------------------------------------------- |
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57 // |
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58 void CUpnpEventQueueManagerBase::BaseConstructL() |
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59 { |
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60 } |
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61 |
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62 // ----------------------------------------------------------------------------- |
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63 // CUpnpEventQueueManagerBase::SendingCompleted |
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64 // ----------------------------------------------------------------------------- |
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65 // |
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66 void CUpnpEventQueueManagerBase::SendingCompleted() |
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67 { |
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68 iCurrentSubscriberIndex = 0; |
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69 delete iBody; |
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70 iBody = NULL; |
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71 iIsSending = EFalse; |
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72 if ( iNewValuesWaitingToBeSend ) |
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73 { |
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74 iNewValuesWaitingToBeSend = EFalse; |
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75 SendEvent(); |
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76 } |
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77 } |
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78 |
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79 // ----------------------------------------------------------------------------- |
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80 // CUpnpEventQueueManagerBase::SendToNextL |
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81 // ----------------------------------------------------------------------------- |
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82 // |
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83 void CUpnpEventQueueManagerBase::SendToNextL() |
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84 { |
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85 PrepareTransactionAndStartSendingL( iCurrentSubscriberIndex ); |
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86 } |
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87 |
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88 // ----------------------------------------------------------------------------- |
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89 // CUpnpEventQueueManagerBase::PrepareTransactionAndStartSendingL |
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90 // ----------------------------------------------------------------------------- |
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91 // |
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92 void CUpnpEventQueueManagerBase::PrepareTransactionAndStartSendingL( TInt aSubscriberNo ) |
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93 { |
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94 if ( aSubscriberNo >= iSubscriberLibrary->SubscriberLibrary().Count() |
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95 || aSubscriberNo < 0 ) |
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96 { |
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97 User::Leave( KErrNotFound ); |
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98 } |
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99 |
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100 CUpnpSubscriberLibraryElement* subscriber( NULL ); |
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101 subscriber = iSubscriberLibrary->SubscriberLibrary()[aSubscriberNo]; |
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102 |
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103 CUpnpHttpMessage* message = reinterpret_cast<CUpnpHttpMessage*>( |
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104 RUpnpGenaMessageFactory::EventingLC( |
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105 subscriber->CallbackPath(), |
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106 subscriber->CallbackAddress(), |
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107 subscriber->Sid(), |
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108 subscriber->Seq() ) ); |
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109 |
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110 message->SetTcpTimeout( KMessageTimeout ); |
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111 message->SetBodyL( *iBody ); |
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112 |
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113 CleanupStack::Pop( message ); //ownership passed to "transcation" |
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114 CUpnpHttpTransaction* transaction = CreateTransactionL( message ); |
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115 |
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116 iEventController.SendTransactionL( transaction ); |
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117 |
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118 subscriber->IncreaseSeq(); |
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119 } |
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120 |
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121 // ----------------------------------------------------------------------------- |
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122 // CUpnpEventQueueManagerBase::TransactionCompletedL |
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123 // ----------------------------------------------------------------------------- |
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124 // |
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125 void CUpnpEventQueueManagerBase::TransactionCompletedL( |
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126 CUpnpHttpTransaction* aCompletedTransaction |
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127 ) |
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128 { |
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129 ASSERT( iIsSending ); |
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130 if ( aCompletedTransaction->Response() && |
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131 !aCompletedTransaction->Response()->Is2xx() ) |
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132 { |
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133 if ( aCompletedTransaction->Response()->Is3xx() ) |
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134 { |
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135 //300 Responses are redirected by Symbian HTTP Client |
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136 //This can be changed by removing HTTPFilter from HTTPTransaction |
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137 } |
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138 else |
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139 { |
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140 RemoveInvalidSubscriber( aCompletedTransaction ); |
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141 return; |
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142 } |
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143 } |
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144 |
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145 iCurrentSubscriberIndex++; |
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146 if ( iCurrentSubscriberIndex >= iSubscriberLibrary->SubscriberLibrary().Count() ) |
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147 { |
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148 SendingCompleted(); |
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149 } |
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150 else |
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151 { |
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152 SendToNextL(); |
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153 } |
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154 } |
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155 |
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156 // ----------------------------------------------------------------------------- |
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157 // CUpnpEventQueueManagerBase::RemoveInvalidSubscriber |
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158 // ----------------------------------------------------------------------------- |
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159 // |
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160 void CUpnpEventQueueManagerBase::RemoveInvalidSubscriber( |
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161 CUpnpHttpTransaction* aCompletedTransaction ) |
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162 { |
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163 iSubscriberLibrary->Remove( static_cast<CUpnpGenaMessage*>( |
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164 aCompletedTransaction->Request() )->Sid() ); |
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165 } |
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166 |
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167 // ----------------------------------------------------------------------------- |
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168 // CUpnpEventQueueManagerBase::UpdateQueue |
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169 // ----------------------------------------------------------------------------- |
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170 // |
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171 void CUpnpEventQueueManagerBase::UpdateQueue( TInt aPos ) |
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172 { |
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173 if( iIsSending ) |
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174 { |
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175 if ( aPos == iCurrentSubscriberIndex ) |
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176 { |
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177 TRAPD( err, SendToNextL() ); |
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178 if ( err ) |
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179 { |
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180 SendingCompleted(); |
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181 } |
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182 return; |
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183 } |
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184 |
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185 if ( aPos < iCurrentSubscriberIndex ) |
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186 { |
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187 iCurrentSubscriberIndex--; |
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188 } |
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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 // CUpnpEventQueueManagerBase::CreateEventL |
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194 // ----------------------------------------------------------------------------- |
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195 // |
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196 HBufC8* CUpnpEventQueueManagerBase::CreateEventL |
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197 ( const RPointerArray<CUpnpStateVariable>& aVariableList ) |
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198 { |
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199 HBufC8* body = HBufC8::NewLC( KMaxGenaMessageLength ); |
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200 TPtr8 bodyPtr = body->Des(); |
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201 bodyPtr.Zero(); |
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202 bodyPtr.Append( KGenaXml ); |
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203 bodyPtr.Append( KGenaPropertysetStart ); |
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204 |
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205 TInt eventableVariableCount = FillEventBodyL( bodyPtr, aVariableList ); |
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206 if ( eventableVariableCount > 0 ) |
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207 { |
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208 bodyPtr.Append( KGenaPropertysetEnd ); |
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209 CleanupStack::Pop( body ); |
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210 return body; |
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211 } |
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212 else |
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213 { |
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214 CleanupStack::PopAndDestroy( body ); |
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215 return KNullDesC8().AllocL(); |
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216 } |
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217 } |
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218 |
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219 // ----------------------------------------------------------------------------- |
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220 // CUpnpEventQueueManagerBase::ClearVariables |
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221 // ----------------------------------------------------------------------------- |
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222 // |
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223 void CUpnpEventQueueManagerBase::ClearVariables() |
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224 { |
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225 for ( TInt i = 0; i < iServiceImpl.EventedStateVariables().Count(); i++ ) |
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226 { |
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227 if ( iServiceImpl.EventedStateVariables()[i]->MaxEventRate() > 0 && |
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228 !iServiceImpl.EventedStateVariables()[i]->ReadyForEventing() ) |
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229 { |
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230 } |
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231 else |
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232 { |
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233 iServiceImpl.EventedStateVariables().Remove( i ); |
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234 i--; |
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235 } |
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236 } |
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237 iServiceImpl.EventedStateVariables().Compress(); |
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238 } |
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239 |
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240 // ----------------------------------------------------------------------------- |
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241 // CUpnpEventQueueManagerBase::ClearVariables |
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242 // ----------------------------------------------------------------------------- |
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243 // |
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244 void CUpnpEventQueueManagerBase::AddVariableToEventBody( |
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245 TDes8& aBuffer , |
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246 CUpnpStateVariable * aVariable ) |
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247 { |
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248 aBuffer.Append( KGenaPropertyStart ); |
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249 aBuffer.Append( aVariable->Name() ); |
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250 aBuffer.Append( KCloseBracket ); |
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251 aBuffer.Append( aVariable->Value() ); |
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252 aBuffer.Append( KOpenBracket ); |
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253 aBuffer.Append( UpnpString::KSlash() ); |
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254 aBuffer.Append( aVariable->Name() ); |
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255 aBuffer.Append( KGenaPropertyEnd ); |
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256 } |
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257 //end of file |