--- a/cbs/CbsServer/ServerSrc/CCbsTopicMessages.cpp Mon Aug 23 15:50:31 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,422 +0,0 @@
-/*
-* Copyright (c) 2003 Nokia Corporation and/or its subsidiary(-ies).
-* All rights reserved.
-* This component and the accompanying materials are made available
-* under the terms of "Eclipse Public License v1.0"
-* which accompanies this distribution, and is available
-* at the URL "http://www.eclipse.org/legal/epl-v10.html".
-*
-* Initial Contributors:
-* Nokia Corporation - initial contribution.
-*
-* Contributors:
-*
-* Description: This module contains the implementation of CCbsTopicMessages class
-* member functions.
-*
-*
-*/
-
-
-// INCLUDE FILES
-
-#include <e32svr.h>
-#include "CbsCommon.h"
-#include "CbsServerPanic.h"
-#include "CCbsTopicMessages.h"
-#include "CCbsSession.h"
-#include "CbsServerConstants.h"
-#include "CCbsDbImpTopicMessages.h"
-#include "CCbsServer.h"
-#include "CbsLogger.h"
-
-// ================= MEMBER FUNCTIONS =======================
-
-// -----------------------------------------------------------------------------
-// CCbsTopicMessages::CCbsTopicMessages
-// C++ default constructor can NOT contain any code, that
-// might leave.
-// -----------------------------------------------------------------------------
-//
-CCbsTopicMessages::CCbsTopicMessages(
- CCbsSession& aSession,
- CCbsDbImpTopicMessages& aMessages,
- CCbsRecEtel& aReceiver )
- : CCbsObject( aSession ),
- iMessages( aMessages ),
- iLocked( 0 ),
- iReceiver( aReceiver )
- {
- }
-
-
-// -----------------------------------------------------------------------------
-// CCbsTopicMessages::NewL
-// Two-phased constructor.
-// -----------------------------------------------------------------------------
-//
-CCbsTopicMessages* CCbsTopicMessages::NewL(
- CCbsSession& aSession,
- CCbsDbImpTopicMessages& aMessages,
- CCbsRecEtel& aReceiver )
- {
- // Normal two phase construction
- CCbsTopicMessages* self =
- new ( ELeave ) CCbsTopicMessages( aSession, aMessages, aReceiver );
- return self;
- }
-
-
-// Destructor
-CCbsTopicMessages::~CCbsTopicMessages()
- {
- CBSLOGSTRING("CBSSERVER: >>> CCbsTopicMessages::~CCbsTopicMessages()");
- CBSLOGSTRING("CBSSERVER: <<< CCbsTopicMessages::~CCbsTopicMessages()");
- }
-
-// -----------------------------------------------------------------------------
-// CCbsTopicMessages::HandleRequestsL
-// Handle the requests for the object.
-// Passes requests to proper functions
-// (other items were commented in a header).
-// -----------------------------------------------------------------------------
-//
-TBool CCbsTopicMessages::HandleRequestsL(
- const RMessage2& aMessage )
- {
- CBSLOGSTRING("CBSSERVER: >>> CCbsTopicMessages::HandleRequestsL()");
- TBool requestHandled ( ETrue );
- // Handle the requests that are for the subsession.
- switch ( aMessage.Function() )
- {
- case ECbsCloseTopicMessagesSubsession:
- CloseTopicMessages();
- aMessage.Complete( KErrNone );
- break;
-
- case ECbsGetMessageCount:
- GetMessageCountL();
- break;
-
- case ECbsGetMessage:
- GetMessageL();
- break;
-
- case ECbsFindMessageByHandle:
- FindMessageByHandleL();
- break;
-
- case ECbsGetMessageIndexByHandle:
- GetMessageIndexByHandleL();
- break;
-
- case ECbsGetNextAndPrevMsgHandle:
- GetNextAndPrevMsgHandleL();
- break;
-
- case ECbsDeleteMessage:
- DeleteMessageL( iReceiver );
- break;
-
- case ECbsSaveMessage:
- SaveMessageL( iReceiver );
- break;
-
- case ECbsLockMessage:
- LockMessageL();
- break;
-
- case ECbsReadMessage:
- ReadMessageL( iReceiver );
- break;
-
- case ECbsGetMessageContents:
- GetMessageContentsL();
- break;
-
- default:
- requestHandled = EFalse;
- break;
- }
- CBSLOGSTRING2("CBSSERVER: <<< CCbsTopicMessages::HandleRequestsL(), returning requestHandled: %d", requestHandled );
- return requestHandled;
- }
-
-// -----------------------------------------------------------------------------
-// CCbsTopicMessages::CloseTopicMessages
-// Closes the subsession.
-// (other items were commented in a header).
-// -----------------------------------------------------------------------------
-//
-void CCbsTopicMessages::CloseTopicMessages()
- {
- // Removes the object.
- Session().Server().DeleteObjectByHandle( Message().Int3() );
- }
-
-// -----------------------------------------------------------------------------
-// CCbsTopicMessages::GetMessageCountL
-// Returns the total amount of messages to the client.
-// (other items were commented in a header).
-// -----------------------------------------------------------------------------
-//
-void CCbsTopicMessages::GetMessageCountL()
- {
- // First, get the handle from the client
- TInt topicNumber( 0 );
- topicNumber = Message().Int0();
-
- // Then, get the message count from the database.
- TInt count( 0 );
- iMessages.GetMessageCountL( static_cast<TUint16> ( topicNumber ), count );
-
- // Write the message count to the client side.
- TPckgBuf< TInt > pckgCount( count );
- Message().WriteL( 1, pckgCount );
-
- // Complete the request.
- Message().Complete( KErrNone );
-
- }
-
-// -----------------------------------------------------------------------------
-// CCbsTopicMessages::GetMessageL
-// Returns the requested message to the client.
-// (other items were commented in a header).
-// -----------------------------------------------------------------------------
-//
-void CCbsTopicMessages::GetMessageL()
- {
- // Read the parameters from the client side
- TInt topicNumber( 0 );
- TInt index( 0 );
- topicNumber = Message().Int0();
- index = Message().Int1();
-
- // Then get the message from database.
- TPckgBuf< TCbsDbMessage > pckgMessage;
- iMessages.GetMessageL( static_cast<TUint16> ( topicNumber ), index, pckgMessage() );
-
- // And finally write the message information to the client side
- Message().WriteL( 2, pckgMessage );
-
- // And complete the request.
- Message().Complete( KErrNone );
- }
-
-// -----------------------------------------------------------------------------
-// CCbsTopicMessages::FindMessageByHandleL
-// Finds a message by its handle.
-// (other items were commented in a header).
-// -----------------------------------------------------------------------------
-//
-void CCbsTopicMessages::FindMessageByHandleL()
- {
- // Read the parameters from the client side.
- TPckgBuf< TCbsMessageHandle > pckgHandle( 0 );
- Message().ReadL( 0, pckgHandle );
-
- // Find the message.
- TPckgBuf< TCbsMessage > pckgMessage;
- iMessages.FindMessageByHandleL( pckgHandle(), pckgMessage() );
-
- // Write the result to the client side.
- Message().WriteL( 1, pckgMessage );
-
- // Complete the request.
- Message().Complete( KErrNone );
- }
-
-// -----------------------------------------------------------------------------
-// CCbsTopicMessages::GetMessageIndexByHandleL
-// Returns message index in topic by message handle.
-// (other items were commented in a header).
-// -----------------------------------------------------------------------------
-//
-void CCbsTopicMessages::GetMessageIndexByHandleL()
- {
- TPckgBuf< TCbsMessageHandle > pckgHandle( 0 );
- Message().ReadL( 0, pckgHandle );
-
- TInt index( iMessages.FindMessagePositionByHandleL( pckgHandle() ) );
-
- TPckgBuf< TInt > pckgIndex( index );
- Message().WriteL( 1, pckgIndex );
-
- Message().Complete( KErrNone );
- }
-
-// -----------------------------------------------------------------------------
-// CCbsTopicMessages::DeleteMessageL
-// Deletes a message.
-// (other items were commented in a header).
-// -----------------------------------------------------------------------------
-//
-void CCbsTopicMessages::DeleteMessageL( const CCbsRecEtel& aReceiver )
- {
- // Read the handle from the client side.
- TPckgBuf< TCbsMessageHandle > pckgHandle( 0 );
- Message().ReadL( 0, pckgHandle );
-
- // And then try to delete the message.
- iMessages.DeleteMessageL( pckgHandle(), aReceiver );
-
- // Finally, complete the request.
- Message().Complete( KErrNone );
- }
-
-// -----------------------------------------------------------------------------
-// CCbsTopicMessages::SaveMessageL
-// Saves a message.
-// (other items were commented in a header).
-// -----------------------------------------------------------------------------
-//
-void CCbsTopicMessages::SaveMessageL( const CCbsRecEtel& aReceiver )
- {
- // Read the parameter from the client side.
- TPckgBuf< TCbsMessageHandle > pckgHandle( 0 );
- Message().ReadL( 0, pckgHandle );
-
- // Save the message.
- iMessages.SaveMessageL( pckgHandle(), aReceiver );
-
- // Complete the request.
- Message().Complete( KErrNone );
- }
-
-// -----------------------------------------------------------------------------
-// CCbsTopicMessages::LockMessageL
-// Locks a message.
-// (other items were commented in a header).
-// -----------------------------------------------------------------------------
-//
-void CCbsTopicMessages::LockMessageL()
- {
- // Read the parameter from the client side.
- TPckgBuf< TCbsMessageHandle > pckgHandle( 0 );
- Message().ReadL( 0, pckgHandle );
-
- TCbsDbMessageHandle handle( pckgHandle() );
-
- if ( handle != iLocked )
- {
- iMessages.LockMessageL( iLocked, handle );
- iLocked = handle;
- }
-
- // Complete the request.
- Message().Complete( KErrNone );
- }
-
-// -----------------------------------------------------------------------------
-// CCbsTopicMessages::ReadMessageL
-// Reads a message.
-// (other items were commented in a header).
-// -----------------------------------------------------------------------------
-//
-void CCbsTopicMessages::ReadMessageL( const CCbsRecEtel& aReceiver )
- {
- // Read parameter from the client side.
- TPckgBuf< TCbsMessageHandle > pckgHandle( 0 );
- Message().ReadL( 0, pckgHandle );
-
- // Perform the operation.
- iMessages.ReadMessageL( pckgHandle(), aReceiver );
-
- // Complete the request.
- Message().Complete( KErrNone );
- }
-
-// -----------------------------------------------------------------------------
-// CCbsTopicMessages::GetMessageContentsL
-// Returns the content of the message to the client.
-// (other items were commented in a header).
-// -----------------------------------------------------------------------------
-//
-void CCbsTopicMessages::GetMessageContentsL()
- {
- // Read the parameters from the client side.
- TPckgBuf< TCbsMessageHandle > pckgHandle( 0 );
- Message().ReadL( 0, pckgHandle );
-
- TInt bufSize( 0 );
- bufSize = Message().Int1();
-
- TCbsDbMessage message;
- iMessages.FindMessageByHandleL( pckgHandle(), message );
-
- if ( message.iLength != 0 )
- {
- // Message is not empty.
- // First allocate memory and then get the contents.
- // Finally write data to client side.
- TInt size ( ( message.iLength < bufSize ) ?
- message.iLength : bufSize );
-
- // guaranteed to allocate n bytes, n >= size
- HBufC* buffer = HBufC::NewLC( size ); // on CS
-
- TPtr16 pointer( buffer->Des() );
- pointer.Zero();
-
- // Note: parameter 'size' required, since MaxLength
- // may be > bufSize
- iMessages.GetMessageContentsL( pckgHandle(), pointer, size );
-
-#ifndef _DEBUG
- Message().WriteL( 2, pointer );
-#else
- TRAPD( result, Message().WriteL( 2, pointer ) );
- if ( result != KErrNone )
- {
- RDebug::Print(_L("Server buffer length: %d, max: %d"),
- pointer.Length(), pointer.MaxLength());
- __DEBUGGER();
- User::Leave( result );
- }
-
-#endif
- CleanupStack::PopAndDestroy(); // buffer
- }
-
- // Complete the request.
- Message().Complete( KErrNone );
- }
-
-// -----------------------------------------------------------------------------
-// CCbsTopicMessages::GetNextAndPrevMsgHandleL
-// Retrieves and returns the handles of messages that
-// precede and succeed the given message in topic.
-// Also returns two flags indicating whether the
-// given message is the first and/or the last message in topic.
-// (other items were commented in a header).
-// -----------------------------------------------------------------------------
-//
-void CCbsTopicMessages::GetNextAndPrevMsgHandleL()
- {
- // Retrieve the requested topic number
- TPckgBuf< TCbsMessageHandle > pckgCurrentMsg( 0 );
- Message().ReadL( 0, pckgCurrentMsg );
-
- // Determine requested information
- TCbsMessageHandle nextMsg(0);
- TCbsMessageHandle prevMsg(0);
- TInt position(0);
- iMessages.GetNextAndPrevMsgHandleL(
- pckgCurrentMsg(), nextMsg, prevMsg, position);
-
- // Write results back
- TPckgBuf< TCbsNextPrevMsgAndPosition > pckgResults;
- pckgResults().iPrevMsg = prevMsg;
- pckgResults().iNextMsg = nextMsg;
- pckgResults().iPosition = position;
-
- Message().WriteL( 1, pckgResults );
-
- // Complete request
- Message().Complete( KErrNone );
-
- }
-
-// ========================== OTHER EXPORTED FUNCTIONS =========================
-// End of File