1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/kernelhwsrv/kerneltest/f32test/plugins/version_2/src/stacked3_plugin.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,329 @@
1.4 +// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of the License "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +//
1.18 +
1.19 +#include "stacked3_plugin.h"
1.20 +#include "plugincommon.h"
1.21 +
1.22 +
1.23 +/**
1.24 +Leaving New function for the plugin
1.25 +@internalComponent
1.26 + */
1.27 +CStacked3Plugin* CStacked3Plugin::NewL()
1.28 + {
1.29 + CStacked3Plugin* self = new(ELeave) CStacked3Plugin;
1.30 + CleanupStack::PushL(self);
1.31 + self->ConstructL();
1.32 + CleanupStack::Pop();
1.33 + return self;
1.34 + }
1.35 +
1.36 +
1.37 +/**
1.38 +Constructor for the plugin
1.39 +@internalComponent
1.40 + */
1.41 +CStacked3Plugin::CStacked3Plugin() : iInterceptsEnabled(EFalse),
1.42 +iLogging(ETrue)
1.43 + {
1.44 + }
1.45 +
1.46 +
1.47 +void CStacked3Plugin::ConstructL()
1.48 + {
1.49 + }
1.50 +
1.51 +/**
1.52 +The destructor for the plugin
1.53 +@internalComponent
1.54 + */
1.55 +CStacked3Plugin::~CStacked3Plugin()
1.56 + {
1.57 + }
1.58 +
1.59 +/**
1.60 +Initialise the plugin.
1.61 +@internalComponent
1.62 + */
1.63 +void CStacked3Plugin::InitialiseL()
1.64 + {
1.65 + EnableInterceptsL();
1.66 + }
1.67 +
1.68 +/**
1.69 +Enable the plugin's intercepts.
1.70 +@internalComponent
1.71 + */
1.72 +void CStacked3Plugin::EnableInterceptsL()
1.73 + {
1.74 + if (iInterceptsEnabled) return;
1.75 +
1.76 + User::LeaveIfError(RegisterIntercept(EFsFileWrite, EPreIntercept));
1.77 +
1.78 + _LOG(_L("Stacked3 Plugin: Enabled intercepts."));
1.79 +
1.80 + iInterceptsEnabled = ETrue;
1.81 + }
1.82 +
1.83 +/**
1.84 +Disable the plugin's intercepts.
1.85 +@internalComponent
1.86 + */
1.87 +void CStacked3Plugin::DisableInterceptsL()
1.88 + {
1.89 + if (!iInterceptsEnabled) return;
1.90 +
1.91 + User::LeaveIfError(UnregisterIntercept(EFsFileWrite, EPreIntercept));
1.92 +
1.93 + _LOG(_L("Stacked3 Plugin: Disabled intercepts."));
1.94 +
1.95 + iInterceptsEnabled = EFalse;
1.96 + }
1.97 +
1.98 +/**
1.99 +Handle requests
1.100 +@internalComponent
1.101 + */
1.102 +TInt CStacked3Plugin::DoRequestL(TFsPluginRequest& aRequest)
1.103 + {
1.104 +
1.105 + TInt err = KErrNone;
1.106 +
1.107 + TInt function = aRequest.Function();
1.108 +
1.109 + switch(function)
1.110 + {
1.111 + case EFsFileRead:
1.112 + break;
1.113 +
1.114 + case EFsFileWrite:
1.115 + TRAP(err, FsFileWriteL(aRequest));
1.116 + break;
1.117 +
1.118 + default:
1.119 + break;
1.120 + }
1.121 +
1.122 + return err;
1.123 + }
1.124 +
1.125 +
1.126 +/**
1.127 +@internalComponent
1.128 + */
1.129 +void CStacked3Plugin::FsFileWriteL(TFsPluginRequest& aRequest)
1.130 + {
1.131 + TInt length = 0;
1.132 + TInt64 pos = 0;
1.133 + TFileName filename;
1.134 + TParse parse;
1.135 +
1.136 + TInt err = aRequest.FileName(filename);
1.137 + iLastError = err;
1.138 + iLineNumber = __LINE__;
1.139 + if(err!=KErrNone)
1.140 + User::Leave(err); //trapped in DoRequestL
1.141 +
1.142 + err = aRequest.Read(TFsPluginRequest::ELength, length);
1.143 + iLastError = err;
1.144 + iLineNumber = __LINE__;
1.145 + if(err!=KErrNone)
1.146 + User::Leave(err); //trapped in DoRequestL
1.147 +
1.148 + err = aRequest.Read(TFsPluginRequest::EPosition, pos);
1.149 + iLastError = err;
1.150 + iLineNumber = __LINE__;
1.151 + if(err!=KErrNone)
1.152 + User::Leave(err); //trapped in DoRequestL
1.153 +
1.154 + parse.Set(filename, NULL, NULL);
1.155 +
1.156 + _LOG4(_L("CStacked3Plugin::FsFileWriteL, file: %S, pos: %d, length: %d"), &filename, pos, length);
1.157 +
1.158 + if (aRequest.IsPostOperation())
1.159 + {
1.160 + _LOG(_L("CStacked3Plugin::FsFileWriteL, post intercept"));
1.161 + }
1.162 + else
1.163 + {
1.164 + _LOG(_L("CStacked3Plugin::FsFileWriteL, pre intercept"));
1.165 +
1.166 + //set up test data for plugin
1.167 + TBuf8<20> wbuffer;
1.168 + wbuffer.Copy(_L8("HELLO WORLD SYMBIAN"));
1.169 + TInt length = wbuffer.Length();
1.170 +
1.171 + HBufC8* tempBuf = HBufC8::NewMaxLC(length);
1.172 + TPtr8 tempBufPtr((TUint8 *)tempBuf->Des().Ptr(), length, length);
1.173 +
1.174 + RFilePlugin fileplugin(aRequest);
1.175 + err = fileplugin.AdoptFromClient();
1.176 + iLastError = err;
1.177 + iLineNumber = __LINE__;
1.178 + if(err!=KErrNone)
1.179 + User::Leave(err); //trapped in DoRequestL
1.180 +
1.181 + //write to file
1.182 + err = fileplugin.Write(pos, wbuffer);
1.183 + _LOG2(_L("CStacked3Plugin::FsFileWriteL, RFilePlugin::Write returned %d"), err);
1.184 + iLastError = err;
1.185 + iLineNumber = __LINE__;
1.186 + if(err!=KErrNone)
1.187 + User::Leave(err); //trapped in DoRequestL
1.188 +
1.189 + //read from file
1.190 + err = fileplugin.Read(pos, tempBufPtr);
1.191 + _LOG2(_L("CStackedPlugin::FsFileWriteL, RFilePlugin::Read returned %d"), err);
1.192 + iLastError = err;
1.193 + iLineNumber = __LINE__;
1.194 + if(err!=KErrNone)
1.195 + User::Leave(err); //trapped in DoRequestL
1.196 +
1.197 + //testing the correct thing has been written to the drive
1.198 + err = wbuffer.Compare(tempBufPtr);
1.199 + iLastError = err;
1.200 + iLineNumber = __LINE__;
1.201 + if(err!=KErrNone)
1.202 + User::Leave(err); //trapped in DoRequestL
1.203 +
1.204 + fileplugin.Close();
1.205 + CleanupStack::PopAndDestroy();
1.206 +
1.207 + // send request down the stack
1.208 + User::Leave(KErrCompletion);
1.209 + }
1.210 + }
1.211 +
1.212 +
1.213 +CFsPluginConn* CStacked3Plugin::NewPluginConnL()
1.214 + {
1.215 + return new(ELeave) CStacked3PluginConn();
1.216 + }
1.217 +
1.218 +
1.219 +//Synchronous RPlugin::DoControl
1.220 +TInt CStacked3Plugin::FsPluginDoControlL(CFsPluginConnRequest& aRequest)
1.221 + {
1.222 + TInt err = KErrNone;
1.223 + TPckg<TInt> errCodeDes(iLastError);
1.224 + TPckg<TInt> lineNumberDes(iLineNumber);
1.225 +
1.226 + TInt function = aRequest.Function();
1.227 + switch(function)
1.228 + {
1.229 + case KPluginSetDrive:
1.230 + {
1.231 + TPckg<TChar> drive(iDriveToTest);
1.232 + TRAP(err,aRequest.ReadParam1L(drive));
1.233 + break;
1.234 + }
1.235 + case KPluginGetError:
1.236 + {
1.237 + TRAP(err,aRequest.WriteParam1L(errCodeDes));
1.238 + TRAP(err,aRequest.WriteParam2L(lineNumberDes));
1.239 + break;
1.240 + }
1.241 + default:
1.242 + break;
1.243 + }
1.244 +
1.245 + return err;
1.246 + }
1.247 +
1.248 +TInt CStacked3PluginConn::DoControl(CFsPluginConnRequest& aRequest)
1.249 + {
1.250 + return ((CStacked3Plugin*)Plugin())->FsPluginDoControlL(aRequest);
1.251 + }
1.252 +
1.253 +void CStacked3PluginConn::DoRequest(CFsPluginConnRequest& aRequest)
1.254 + {
1.255 + DoControl(aRequest);
1.256 + }
1.257 +
1.258 +void CStacked3PluginConn::DoCancel(TInt /*aReqMask*/)
1.259 + {
1.260 + }
1.261 +
1.262 +//factory functions
1.263 +
1.264 +class CStacked3PluginFactory : public CFsPluginFactory
1.265 + {
1.266 + public:
1.267 + CStacked3PluginFactory();
1.268 + virtual TInt Install();
1.269 + virtual CFsPlugin* NewPluginL();
1.270 + virtual CFsPlugin* NewPluginConnL();
1.271 + virtual TInt UniquePosition();
1.272 + };
1.273 +
1.274 +/**
1.275 +Constructor for the plugin factory
1.276 +@internalComponent
1.277 + */
1.278 +CStacked3PluginFactory::CStacked3PluginFactory()
1.279 + {
1.280 + }
1.281 +
1.282 +/**
1.283 +Install function for the plugin factory
1.284 +@internalComponent
1.285 + */
1.286 +TInt CStacked3PluginFactory::Install()
1.287 + {
1.288 + //SetSupportedDrives(1<<23);
1.289 + iSupportedDrives = 1<<23;
1.290 + return(SetName(&KStacked3PluginName));
1.291 + }
1.292 +
1.293 +/**
1.294 +@internalComponent
1.295 + */
1.296 +TInt CStacked3PluginFactory::UniquePosition()
1.297 + {
1.298 + return(KStacked3Pos);
1.299 + }
1.300 +
1.301 +/**
1.302 +Plugin factory function
1.303 +@internalComponent
1.304 + */
1.305 +CFsPlugin* CStacked3PluginFactory::NewPluginL()
1.306 +
1.307 + {
1.308 + return CStacked3Plugin::NewL();
1.309 + }
1.310 +
1.311 +/**
1.312 +Plugin factory function
1.313 +@internalComponent
1.314 + */
1.315 +CFsPlugin* CStacked3PluginFactory::NewPluginConnL()
1.316 +
1.317 + {
1.318 + return CStacked3Plugin::NewL();
1.319 + }
1.320 +
1.321 +/**
1.322 +Create a new Plugin
1.323 +@internalComponent
1.324 + */
1.325 +extern "C" {
1.326 +
1.327 +EXPORT_C CFsPluginFactory* CreateFileSystem()
1.328 + {
1.329 + return(new CStacked3PluginFactory());
1.330 + }
1.331 +}
1.332 +