author | hgs |
Fri, 03 Sep 2010 18:38:04 +0800 | |
changeset 49 | c20dd21d1eb4 |
parent 0 | d0791faffa3f |
permissions | -rw-r--r-- |
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// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies). |
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// All rights reserved. |
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// This component and the accompanying materials are made available |
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// under the terms of "Eclipse Public License v1.0" |
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// which accompanies this distribution, and is available |
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// at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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// |
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// Initial Contributors: |
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// Nokia Corporation - initial contribution. |
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// |
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// Contributors: |
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// |
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// Description: |
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// |
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#include <mtp/mmtpconnection.h> |
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#include <mtp/mmtpdataproviderframework.h> |
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#include <mtp/mtpdataproviderapitypes.h> |
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#include <mtp/tmtptyperequest.h> |
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#include "cmtpproxydp.h" |
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#include "cmtprequestprocessor.h" |
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#include "mtpproxydppanic.h" |
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#include "mtpproxydpprocessor.h" |
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#include "OstTraceDefinitions.h" |
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#ifdef OST_TRACE_COMPILER_IN_USE |
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#include "cmtpproxydpTraces.h" |
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#endif |
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static const TInt KMTPProxyDpSessionGranularity = 3; |
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/** |
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Standard NewL method |
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@param aParams The pointer to MMTPDataProviderFramework |
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*/ |
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TAny* CMTPProxyDataProvider::NewL(TAny* aParams) |
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{ |
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CMTPProxyDataProvider* self = new (ELeave) CMTPProxyDataProvider(aParams); |
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CleanupStack::PushL(self); |
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self->ConstructL(); |
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CleanupStack::Pop(self); |
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return self; |
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} |
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void CMTPProxyDataProvider::ConstructL() |
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{ |
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OstTraceFunctionEntry0( CMTPPROXYDATAPROVIDER_CONSTRUCTL_ENTRY ); |
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iDpSingletons.OpenL(Framework()); |
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iSingletons.OpenL(Framework()); |
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OstTraceFunctionExit0( CMTPPROXYDATAPROVIDER_CONSTRUCTL_EXIT ); |
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} |
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/** |
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Destructor |
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*/ |
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CMTPProxyDataProvider::~CMTPProxyDataProvider() |
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{ |
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OstTraceFunctionEntry0( CMTPPROXYDATAPROVIDER_CMTPPROXYDATAPROVIDER_DES_ENTRY ); |
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TInt count = iActiveProcessors.Count(); |
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while(count--) |
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{ |
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iActiveProcessors[count]->Release(); |
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} |
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iActiveProcessors.Close(); |
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iDpSingletons.Close(); |
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iSingletons.Close(); |
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OstTraceFunctionExit0( CMTPPROXYDATAPROVIDER_CMTPPROXYDATAPROVIDER_DES_EXIT ); |
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} |
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void CMTPProxyDataProvider::Cancel() |
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{ |
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} |
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/** |
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Process the event from initiator |
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@param aEvent The event to be processed |
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@param aConnection The connection from which the event comes |
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*/ |
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void CMTPProxyDataProvider::ProcessEventL(const TMTPTypeEvent& aEvent, MMTPConnection& aConnection) |
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{ |
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TInt index = LocateRequestProcessorL(aEvent, aConnection); |
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if(index != KErrNotFound) |
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{ |
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iActiveProcessors[index]->HandleEventL(aEvent); |
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} |
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} |
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void CMTPProxyDataProvider::ProcessNotificationL(TMTPNotification aNotification, const TAny* aParams) |
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{ |
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switch (aNotification) |
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{ |
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case EMTPSessionClosed: |
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SessionClosedL(*reinterpret_cast<const TMTPNotificationParamsSessionChange*>(aParams)); |
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break; |
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case EMTPSessionOpened: |
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SessionOpenedL(*reinterpret_cast<const TMTPNotificationParamsSessionChange*>(aParams)); |
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break; |
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default: |
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// Ignore all other notifications. |
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break; |
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} |
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} |
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/** |
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Process the request from initiator. The method first searches if there is any matching active processor; |
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if not, it creates a new processor. It deletes the processor once it finishes. |
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112 |
@param aPhase The request transaction phase |
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@param aRequest The request to be processed |
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@param aConnection The connection from which the request comes |
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115 |
*/ |
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116 |
void CMTPProxyDataProvider::ProcessRequestPhaseL(TMTPTransactionPhase aPhase, const TMTPTypeRequest& aRequest, MMTPConnection& aConnection) |
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117 |
{ |
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118 |
TInt index = LocateRequestProcessorL(aRequest, aConnection); |
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119 |
__ASSERT_DEBUG(index != KErrNotFound, Panic(EMTPNoMatchingProcessor)); |
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120 |
MMTPRequestProcessor* processor = iActiveProcessors[index]; |
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iActiveProcessor = index; |
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iActiveProcessorRemoved = EFalse; |
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123 |
TBool result = processor->HandleRequestL(aRequest, aPhase); |
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124 |
if (iActiveProcessorRemoved) |
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125 |
{ |
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processor->Release(); // destroy the processor |
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127 |
} |
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128 |
else if (result) |
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129 |
{ |
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processor->Release(); |
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iActiveProcessors.Remove(index); |
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132 |
} |
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133 |
iActiveProcessor = -1; |
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134 |
|
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135 |
} |
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136 |
|
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137 |
void CMTPProxyDataProvider::StartObjectEnumerationL(TUint32 aStorageId, TBool /*aPersistentFullEnumeration*/) |
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138 |
{ |
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139 |
// The proxy data provider does not manage any data objects. |
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140 |
Framework().ObjectEnumerationCompleteL(aStorageId); |
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141 |
} |
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142 |
|
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143 |
void CMTPProxyDataProvider::StartStorageEnumerationL() |
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144 |
{ |
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145 |
Framework().StorageEnumerationCompleteL(); |
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146 |
} |
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147 |
|
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148 |
/** |
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149 |
Append all the operations that are supported by the proxy data provider to |
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150 |
the operations array. |
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151 |
@param aCategory category of operations of interest |
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152 |
@param aArray array to hold the operations |
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153 |
*/ |
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154 |
void CMTPProxyDataProvider::Supported(TMTPSupportCategory aCategory, RArray<TUint>& /*aArray*/) const |
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155 |
{ |
49 | 156 |
OstTraceFunctionEntry0( CMTPPROXYDATAPROVIDER_SUPPORTED_ENTRY ); |
0
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157 |
switch (aCategory) |
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158 |
{ |
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159 |
case EEvents: |
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160 |
break; |
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161 |
|
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162 |
case EObjectCaptureFormats: |
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163 |
case EObjectPlaybackFormats: |
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164 |
|
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165 |
break; |
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166 |
|
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167 |
case EObjectProperties: |
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168 |
break; |
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169 |
|
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170 |
case EOperations: |
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171 |
break; |
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|
172 |
|
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173 |
case EStorageSystemTypes: |
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|
174 |
break; |
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|
175 |
|
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176 |
default: |
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|
177 |
|
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178 |
// Unrecognised category, leave aArray unmodified. |
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179 |
break; |
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180 |
} |
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|
181 |
|
49 | 182 |
OstTraceFunctionExit0( CMTPPROXYDATAPROVIDER_SUPPORTED_EXIT ); |
0
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183 |
} |
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|
184 |
|
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|
185 |
|
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186 |
void CMTPProxyDataProvider::SupportedL(TMTPSupportCategory /*aCategory*/, CDesCArray& /*aStrings*/) const |
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|
187 |
{ |
49 | 188 |
OstTraceFunctionEntry0( CMTPPROXYDATAPROVIDER_SUPPORTEDL_ENTRY ); |
189 |
OstTraceFunctionExit0( CMTPPROXYDATAPROVIDER_SUPPORTEDL_EXIT ); |
|
0
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190 |
} |
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|
191 |
|
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|
192 |
|
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|
193 |
|
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|
194 |
/** |
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195 |
Standard c++ constructor |
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196 |
*/ |
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197 |
CMTPProxyDataProvider::CMTPProxyDataProvider(TAny* aParams) |
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198 |
:CMTPDataProviderPlugin(aParams), |
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|
199 |
iActiveProcessors(KMTPProxyDpSessionGranularity), |
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|
200 |
iActiveProcessor(-1) |
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|
201 |
{ |
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202 |
} |
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|
203 |
|
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|
204 |
/** |
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|
205 |
Find or create a request processor that can process the request |
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|
206 |
@param aRequest The request to be processed |
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207 |
@param aConnection The connection from which the request comes |
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208 |
@return the index of the found/created request processor |
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|
209 |
*/ |
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210 |
TInt CMTPProxyDataProvider::LocateRequestProcessorL(const TMTPTypeRequest& aRequest, MMTPConnection& aConnection) |
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211 |
{ |
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|
212 |
TInt index = KErrNotFound; |
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|
213 |
TInt count = iActiveProcessors.Count(); |
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|
214 |
for(TInt i = 0; i < count; i++) |
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|
215 |
{ |
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|
216 |
if(iActiveProcessors[i]->Match(aRequest, aConnection)) |
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|
217 |
{ |
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|
218 |
index = i; |
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Revision: 201003
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diff
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|
219 |
break; |
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} |
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} |
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if(index == KErrNotFound) |
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{ |
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MMTPRequestProcessor* processor = MTPProxyDpProcessor::CreateL(Framework(), aRequest, aConnection); |
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__ASSERT_DEBUG(processor, Panic(EMTPNoMatchingProcessor)); |
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CleanupReleasePushL(*processor); |
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iActiveProcessors.AppendL(processor); |
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CleanupStack::Pop(); |
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index = count; |
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} |
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return index; |
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|
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} |
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|
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/** |
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Find a request processor that can process the event |
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@param aEvent The event to be processed |
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@param aConnection The connection from which the request comes |
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@return the index of the found request processor, KErrNotFound if not found |
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*/ |
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TInt CMTPProxyDataProvider::LocateRequestProcessorL(const TMTPTypeEvent& aEvent, MMTPConnection& aConnection) |
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{ |
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TInt index = KErrNotFound; |
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TInt count = iActiveProcessors.Count(); |
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for(TInt i = 0; i < count; i++) |
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{ |
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if(iActiveProcessors[i]->Match(aEvent, aConnection)) |
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{ |
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index = i; |
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break; |
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} |
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} |
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return index; |
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} |
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|
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void CMTPProxyDataProvider::SessionClosedL(const TMTPNotificationParamsSessionChange& aSession) |
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OstTraceFunctionEntry0( CMTPPROXYDATAPROVIDER_SESSIONCLOSEDL_ENTRY ); |
0
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TInt count = iActiveProcessors.Count(); |
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while(count--) |
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{ |
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MMTPRequestProcessor* processor = iActiveProcessors[count]; |
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TUint32 sessionId = processor->SessionId(); |
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if((sessionId == aSession.iMTPId) && (processor->Connection().ConnectionId() == aSession.iConnection.ConnectionId())) |
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{ |
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iActiveProcessors.Remove(count); |
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if (count == iActiveProcessor) |
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{ |
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iActiveProcessorRemoved = ETrue; |
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} |
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else |
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{ |
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processor->Release(); |
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} |
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} |
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} |
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OstTraceFunctionExit0( CMTPPROXYDATAPROVIDER_SESSIONCLOSEDL_EXIT ); |
0
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} |
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|
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/** |
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Prepares for a newly-opened session. |
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@param aSession notification parameter block |
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*/ |
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#ifdef OST_TRACE_COMPILER_IN_USE |
0
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void CMTPProxyDataProvider::SessionOpenedL(const TMTPNotificationParamsSessionChange& /*aSession*/) |
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#else |
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void CMTPProxyDataProvider::SessionOpenedL(const TMTPNotificationParamsSessionChange& /*aSession*/) |
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#endif |
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{ |
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OstTraceFunctionEntry0( CMTPPROXYDATAPROVIDER_SESSIONOPENEDL_ENTRY ); |
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OstTraceFunctionExit0( CMTPPROXYDATAPROVIDER_SESSIONOPENEDL_EXIT ); |
|
0
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} |
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