/**
@internalComponent
*/
void CPreModifierPlugin::FsFileWriteL(TFsPluginRequest& aRequest)
{
TInt err = KErrNone;
TInt length = 0;
TInt64 pos = 0;
TFileName filename;
TParse parse;
TBuf<256> testfilename1;
TBuf<256> testfilename2;
//setting up test files
testfilename1.Append(iDriveToTest);
testfilename1.Append(_L(":\\Data\\test.txt"));
testfilename2.Append(iDriveToTest);
testfilename2.Append(_L(":\\Data\\createcreate3.txt"));
err = aRequest.FileName(filename);
iLastError = err;
iLineNumber = __LINE__;
if(err!=KErrNone)
User::Leave(err); //trapped in DoRequestL
err = aRequest.Read(TFsPluginRequest::ELength, length);
iLastError = err;
iLineNumber = __LINE__;
if(err!=KErrNone)
User::Leave(err); //trapped in DoRequestL
err = aRequest.Read(TFsPluginRequest::EPosition, pos);
iLastError = err;
iLineNumber = __LINE__;
if(err!=KErrNone)
User::Leave(err); //trapped in DoRequestL
parse.Set(filename, NULL, NULL);
_LOG4(_L("CPreModifierPlugin::FsFileWriteL, file: %S, pos: %d, length: %d"), &filename, pos, length);
if (aRequest.IsPostOperation())
{
_LOG(_L("CPreModifierPlugin::FsFileWriteL, post intercept"));
}
else
{
User::Invariant();
}
}
void CPreModifierPlugin::FsDirReadOneL(TFsPluginRequest& aRequest)
{
TFileName name;
TInt err = aRequest.FileName(name);
iLastError = err;
iLineNumber = __LINE__;
if(err!=KErrNone)
User::Leave(err); //trapped in DoRequestL
if (aRequest.IsPostOperation())
{
_LOG(_L("CPreModifierPlugin::FsDirReadOneL, post intercept"));
}
else
{
User::Invariant();
}
}
/**
@internalComponent
*/
void CPreModifierPlugin::FsFileUnLockL(TFsPluginRequest& aRequest)
{
TInt length = 0;
TInt64 pos = 0;
TFileName filename;
TParse parse;
TInt err = aRequest.FileName(filename);
iLastError = err;
iLineNumber = __LINE__;
if(err!=KErrNone)
User::Leave(err); //trapped in DoRequestL
err = aRequest.Read(TFsPluginRequest::ELength, length);
iLastError = err;
iLineNumber = __LINE__;
if(err!=KErrNone)
User::Leave(err); //trapped in DoRequestL
err = aRequest.Read(TFsPluginRequest::EPosition, pos);
iLastError = err;
iLineNumber = __LINE__;
if(err!=KErrNone)
User::Leave(err); //trapped in DoRequestL
parse.Set(filename, NULL, NULL);
//TPtrC extension(parse.Ext());
_LOG4(_L("CPreModifierPlugin::FsFileUnLockL, file: %S, pos: %d, length: %d"), &filename, pos, length);
if (aRequest.IsPostOperation())
{
_LOG(_L("CPreModifierPlugin::FsFileUnLockL, post intercept"));
}
else
{
User::Invariant();
}
}
/**
@internalComponent
*/
void CPreModifierPlugin::FsFileSetSizeL(TFsPluginRequest& aRequest)
{
TFileName filename;
TParse parse;
TInt err = aRequest.FileName(filename);
iLastError = err;
iLineNumber = __LINE__;
if(err!=KErrNone)
User::Leave(err); //trapped in DoRequestL
parse.Set(filename, NULL, NULL);
_LOG2(_L("CPreModifierPlugin::FsFileSetSizeL, file: %S"), &filename);
if (aRequest.IsPostOperation())
{
_LOG(_L("CPreModifierPlugin::FsFileSetSizeL, post intercept"));
}
else
{
User::Invariant();
}
}
/*Test to ensure that when a file has been opened for exclusive access,
* i.e. readonly, that froma plugin we can still read from it
*/
TInt CExclusiveAccessPlugin::FsFileReadL(TFsPluginRequest& aRequest)
{
if(!aRequest.IsPostOperation()) // pre-operation
{
RFilePlugin file(aRequest);
TInt err = file.AdoptFromClient();
iLastError = err;
iLineNumber = __LINE__;
if(err!=KErrNone)
return err;
TInt64 pos;
err = aRequest.Read(TFsPluginRequest::EPosition, pos); // get pos
iLastError = err;
iLineNumber = __LINE__;
if(err!=KErrNone)
return err;
TInt length;
err = aRequest.Read(TFsPluginRequest::ELength, length); //get length
iLastError = err;
iLineNumber = __LINE__;
if(err!=KErrNone)
return err;
if(length>265)
length=256;
//we should check that this file is in fact registered as read only?
//if not.. User::Invariant()?
TEntry entry;
RFsPlugin rfsplugin(aRequest);
err = rfsplugin.Connect();
iLastError = err;
iLineNumber = __LINE__;
if(err!=KErrNone)
return err;
TFileName fileName;
err = aRequest.FileName(fileName);
iLastError = err;
iLineNumber = __LINE__;
if(err!=KErrNone)
return err;
err = rfsplugin.Entry(fileName, entry);
iLastError = err;
iLineNumber = __LINE__;
if(err!=KErrNone)
return err;
//can we read a readonly file? - should be fine.
TBuf8<256> data;
err = file.Read(pos,data,length);
iLastError = err;
iLineNumber = __LINE__;
if(err!=KErrNone)
return err;
file.Close();
rfsplugin.Close();
}
return KErrNone;
}
/**
@internalComponent
*/
void CPreModifierPlugin::FsFileLockL(TFsPluginRequest& aRequest)
{
TInt length = 0;
TInt64 pos = 0;
TFileName filename;
TParse parse;
TInt err = aRequest.FileName(filename);
iLastError = err;
iLineNumber = __LINE__;
if(err!=KErrNone)
User::Leave(err); //trapped in DoRequestL
err = aRequest.Read(TFsPluginRequest::ELength, length);
iLastError = err;
iLineNumber = __LINE__;
if(err!=KErrNone)
User::Leave(err); //trapped in DoRequestL
err = aRequest.Read(TFsPluginRequest::EPosition, pos);
iLastError = err;
iLineNumber = __LINE__;
if(err!=KErrNone)
User::Leave(err); //trapped in DoRequestL
parse.Set(filename, NULL, NULL);
TPtrC extension(parse.Ext());
_LOG4(_L("CPreModifierPlugin::FsFileLockL, file: %S, pos: %d, length: %d"), &filename, pos, length);
if (aRequest.IsPostOperation())
{
_LOG(_L("CPreModifierPlugin::FsFileLockL, post intercept"));
// Request read from post interception
if (extension.CompareF(_L(".lockread")) == 0)
{
length = 10;
HBufC8* tempBuf = HBufC8::NewMaxLC(length);
TPtr8 tempBufPtr((TUint8 *)tempBuf->Des().Ptr(), length, length);
_LOG(_L("CPreModifierPlugin::FsFileLockL , calling AdoptFromClient in post intercept"));
RFilePlugin fileplugin(aRequest);
TInt err = fileplugin.AdoptFromClient();
iLastError = err;
iLineNumber = __LINE__;
if(err!=KErrNone)
User::Leave(err); //trapped in DoRequestL
_LOG2(_L("CPreModifierPlugin::FsFileLockL, Adopt returned %d"), err);
err = fileplugin.Read(pos, tempBufPtr, length);
_LOG2(_L("CPreModifierPlugin::FsFileLockL, FileRead returned %d"), err);
iLastError = err;
iLineNumber = __LINE__;
if(err!=KErrNone)
User::Leave(err); //trapped in DoRequestL
fileplugin.Close();
CleanupStack::PopAndDestroy();
}
// Request close from post interception
if(extension.CompareF(_L(".lockclose")) == 0)
{
_LOG(_L("CPreModifierPlugin::FsFileLockL, file = *.lockclose post intercept "));
RFilePlugin fileplugin(aRequest);
TInt err = fileplugin.AdoptFromClient();
_LOG2(_L("CPreModifierPlugin::FsFileLockL ,Open %d"), err);
iLastError = err;
iLineNumber = __LINE__;
if(err!=KErrNone)
User::Leave(err); //trapped in DoRequestL
fileplugin.Close();
_LOG(_L("CPreModifierPlugin::FsFileLockL, Close"));
}
}
else
{
User::Invariant();
}
}
/**
@internalComponent
*/
void CStacked3Plugin::FsFileWriteL(TFsPluginRequest& aRequest)
{
TInt length = 0;
TInt64 pos = 0;
TFileName filename;
TParse parse;
TInt err = aRequest.FileName(filename);
iLastError = err;
iLineNumber = __LINE__;
if(err!=KErrNone)
User::Leave(err); //trapped in DoRequestL
err = aRequest.Read(TFsPluginRequest::ELength, length);
iLastError = err;
iLineNumber = __LINE__;
if(err!=KErrNone)
User::Leave(err); //trapped in DoRequestL
err = aRequest.Read(TFsPluginRequest::EPosition, pos);
iLastError = err;
iLineNumber = __LINE__;
if(err!=KErrNone)
User::Leave(err); //trapped in DoRequestL
parse.Set(filename, NULL, NULL);
_LOG4(_L("CStacked3Plugin::FsFileWriteL, file: %S, pos: %d, length: %d"), &filename, pos, length);
if (aRequest.IsPostOperation())
{
_LOG(_L("CStacked3Plugin::FsFileWriteL, post intercept"));
}
else
{
_LOG(_L("CStacked3Plugin::FsFileWriteL, pre intercept"));
//set up test data for plugin
TBuf8<20> wbuffer;
wbuffer.Copy(_L8("HELLO WORLD SYMBIAN"));
TInt length = wbuffer.Length();
HBufC8* tempBuf = HBufC8::NewMaxLC(length);
TPtr8 tempBufPtr((TUint8 *)tempBuf->Des().Ptr(), length, length);
RFilePlugin fileplugin(aRequest);
err = fileplugin.AdoptFromClient();
iLastError = err;
iLineNumber = __LINE__;
if(err!=KErrNone)
User::Leave(err); //trapped in DoRequestL
//write to file
err = fileplugin.Write(pos, wbuffer);
_LOG2(_L("CStacked3Plugin::FsFileWriteL, RFilePlugin::Write returned %d"), err);
iLastError = err;
iLineNumber = __LINE__;
if(err!=KErrNone)
User::Leave(err); //trapped in DoRequestL
//read from file
err = fileplugin.Read(pos, tempBufPtr);
_LOG2(_L("CStackedPlugin::FsFileWriteL, RFilePlugin::Read returned %d"), err);
iLastError = err;
iLineNumber = __LINE__;
if(err!=KErrNone)
User::Leave(err); //trapped in DoRequestL
//testing the correct thing has been written to the drive
err = wbuffer.Compare(tempBufPtr);
iLastError = err;
iLineNumber = __LINE__;
if(err!=KErrNone)
User::Leave(err); //trapped in DoRequestL
fileplugin.Close();
CleanupStack::PopAndDestroy();
// send request down the stack
User::Leave(KErrCompletion);
}
}