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Diffstat (limited to 'automation/source/simplecm/packethandler.cxx')
-rw-r--r-- | automation/source/simplecm/packethandler.cxx | 338 |
1 files changed, 0 insertions, 338 deletions
diff --git a/automation/source/simplecm/packethandler.cxx b/automation/source/simplecm/packethandler.cxx deleted file mode 100644 index 70feb9c04..000000000 --- a/automation/source/simplecm/packethandler.cxx +++ /dev/null @@ -1,338 +0,0 @@ -/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ -/************************************************************************* - * - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * Copyright 2000, 2010 Oracle and/or its affiliates. - * - * OpenOffice.org - a multi-platform office productivity suite - * - * This file is part of OpenOffice.org. - * - * OpenOffice.org is free software: you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License version 3 - * only, as published by the Free Software Foundation. - * - * OpenOffice.org is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Lesser General Public License version 3 for more details - * (a copy is included in the LICENSE file that accompanied this code). - * - * You should have received a copy of the GNU Lesser General Public License - * version 3 along with OpenOffice.org. If not, see - * <http://www.openoffice.org/license.html> - * for a copy of the LGPLv3 License. - * - ************************************************************************/ - -// MARKER(update_precomp.py): autogen include statement, do not remove -#include "precompiled_automation.hxx" - -/************************************************************************* - * - * ATTENTION - * This file is intended to work inside and outside the StarOffice environment. - * Only adaption of file commtypes.hxx should be necessary. Else it is a bug! - * - ************************************************************************/ - -#include "packethandler.hxx" -#include <automation/commtypes.hxx> -#include <automation/commdefines.hxx> -#include "communiio.hxx" -#include <osl/diagnose.h> - -/** -Forces switch to multichannel headers even for old communication Method -**/ -#define FORCE_MULTI_CHANNEL_HEADERS - - -PacketHandler::PacketHandler( ITransmiter* pTransmitter_, IReceiver* pReceiver_, comm_BOOL bMC ) -: pTransmitter( pTransmitter_ ) -, pReceiver( pReceiver_ ) -, bMultiChannel( bMC ) -{ -} - -unsigned char PacketHandler::CalcCheckByte( comm_UINT32 nBytes ) -{ - comm_UINT16 nRes = 0; - nRes += HIBYTE( HIWORD( nBytes ) ) ^ 0xf0; - nRes += LOBYTE( HIWORD( nBytes ) ) ^ 0x0f; - nRes += HIBYTE( LOWORD( nBytes ) ) ^ 0xf0; - nRes += LOBYTE( LOWORD( nBytes ) ) ^ 0x0f; - - nRes ^= HIBYTE( nRes ); - - return LOBYTE( nRes ); -} - - -#define READ_SOCKET( pBuffer, nLength )\ - if ( !bWasError )\ - {\ - bWasError |= pReceiver->ReceiveBytes( pBuffer, nLength ) != C_ERROR_NONE;\ - } - -#define READ_SOCKET_LEN( pBuffer, nLength, nTotal )\ - READ_SOCKET( pBuffer, nLength );\ - if ( !bWasError )\ - {nTotal += nLength;} - -comm_BOOL PacketHandler::ReceiveData( void* &pData, comm_UINT32 &nLen ) -{ - DBG_ASSERT( !pData, "pData should be NULL -> memory leak" ); - - nLen = 0; - pData = NULL; - comm_BOOL bWasError = sal_False; - comm_BOOL bForceMultiChannelThisPacket = sal_False; - if ( pReceiver ) - { - comm_UINT32 nBytes = 0; - nReceiveProtocol = CM_PROTOCOL_OLDSTYLE; - nReceiveHeaderType = CH_NoHeader; - - READ_SOCKET( &nBytes, sizeof(nBytes) ) - if ( bWasError ) - return sal_False; - - if ( 0xFFFFFFFF == nBytes ) // Expliziter Request f�r dieses Datenpaket auf MultiChannel umzuschalten - { - READ_SOCKET( &nBytes, sizeof(nBytes) ) - if ( bWasError ) - return sal_False; - bForceMultiChannelThisPacket = sal_True; - } - - nBytes = NETDWORD( nBytes ); - - if ( bMultiChannel || bForceMultiChannelThisPacket ) - { - comm_UINT32 nReadSoFar = 0; - comm_UINT32 nHeaderReadSoFar = 0; - - // Pr�fbyte f�r L�ngenangabe - unsigned char nLenCheck = 0; - READ_SOCKET_LEN( &nLenCheck, 1, nReadSoFar ); - // Stimmt das Pr�fbyte? - bWasError |= nLenCheck != CalcCheckByte( nBytes ); - - - comm_UINT16 nHeaderBytes; - READ_SOCKET_LEN( &nHeaderBytes, 2, nReadSoFar ); - nHeaderBytes = NETWORD( nHeaderBytes ); - // reicht der Header �ber das Ende hinaus? - bWasError |= !(nBytes >= nReadSoFar + nHeaderBytes); - - READ_SOCKET_LEN( &nReceiveHeaderType, 2, nHeaderReadSoFar ); - nReceiveHeaderType = NETWORD( nReceiveHeaderType ); - - switch ( nReceiveHeaderType ) - { - case CH_SimpleMultiChannel: - { - READ_SOCKET_LEN( &nReceiveProtocol, 2, nHeaderReadSoFar ); - nReceiveProtocol = NETWORD( nReceiveProtocol ); - } - break; - case CH_Handshake: - { - } - break; - default: - { - OSL_FAIL("Unbekannter Headertyp in der Kommunikation"); - bWasError = sal_True; - } - - } - - if ( bWasError ) - return sal_False; - - /// L�ngen anpassen und ggf restheader �berlesen. - while ( nHeaderBytes > nHeaderReadSoFar ) - { - unsigned char nDummy; - READ_SOCKET_LEN( &nDummy, 1, nHeaderReadSoFar ); - } - - nReadSoFar += nHeaderReadSoFar; - nBytes -= nReadSoFar; - - } - - /* @@@ Notes @@@ - * - * 1) a 'void*' allocated via 'new char[]' is always deallocated - * via plain 'delete()', not via array 'delete[]()'; it's just - * raw memory. - * - * 2) as the caller of this routine later-on changes ownership - * of 'pData' via 'SvMemoryStream::SetBuffer()' (in 'simplecm.cxx', - * 'SimpleCommunicationLinkViaSocket::DoReceiveDataStream()'), - * the allocator used here for 'void* pData' must match the - * deallocator used in 'SvMemoryStream::FreeMemory()', i.e. - * '::operator delete()'. - */ - pData = ::operator new(nBytes); - READ_SOCKET( pData, nBytes ) - if ( bWasError ) - { - ::operator delete(pData), pData = 0; - return sal_False; - } - nLen = nBytes; - } - else - bWasError = sal_True; - - return !bWasError; -} - -/*#define WRITE_SOCKET( pBuffer, nLength )\ - if ( !bWasError )\ - bWasError |= !pStreamSocket || (pStreamSocket->write( pBuffer, nLength ) != nLength)*/ - -#define WRITE_SOCKET( pBuffer, nLength )\ - if ( !bWasError )\ - {bWasError |= pTransmitter->TransferBytes( pBuffer, nLength ) != C_ERROR_NONE;} - - - -comm_BOOL PacketHandler::TransferData( const void* pData, comm_UINT32 nLen, CMProtocol nProtocol ) -{ - comm_UINT32 nBuffer = nLen; - comm_BOOL bWasError = sal_False; - -#ifndef FORCE_MULTI_CHANNEL_HEADERS - if ( bMultiChannel ) -#endif - nBuffer += 1+2+2+2; // f�r einen CH_SimpleMultiChannel - -#ifdef FORCE_MULTI_CHANNEL_HEADERS - if ( !bMultiChannel ) - { - comm_UINT32 n32; - n32 = 0xffffffff; // Umschalten auf MultiChannel - n32 = NETDWORD( n32 ); - WRITE_SOCKET( &n32, 4 ); - } -#endif - - - comm_UINT32 nNetworkBuffer = NETDWORD( nBuffer ); - WRITE_SOCKET( &nNetworkBuffer, sizeof(nNetworkBuffer) ); - - -#ifndef FORCE_MULTI_CHANNEL_HEADERS - if ( bMultiChannel ) -#endif - { - comm_UINT16 n16; - unsigned char c; - - c = CalcCheckByte( nBuffer ); - WRITE_SOCKET( &c, 1 ); - - n16 = 4; // L�nge des Headers f�r einen CH_SimpleMultiChannel - n16 = NETWORD( n16 ); - WRITE_SOCKET( &n16, 2 ); - - n16 = CH_SimpleMultiChannel; // Typ des Headers - n16 = NETWORD( n16 ); - WRITE_SOCKET( &n16, 2 ); - - nProtocol = NETWORD( nProtocol ); - WRITE_SOCKET( &nProtocol, 2 ); - } - - WRITE_SOCKET( pData, nLen ); - return !bWasError; -} - -comm_BOOL PacketHandler::SendHandshake( HandshakeType aHandshakeType, const void* pData, comm_UINT32 nLen ) -{ - comm_BOOL bWasError = sal_False; - - comm_UINT32 nBuffer = 0; - -// if ( pMyManager->IsMultiChannel() ) Wir senden immer FFFFFFFF vorweg -> immer MultiChannel (Oder GPF bei �lteren) - nBuffer += 1+2+2; // f�r einen CH_Handshake - - nBuffer += 2; // f�r den Typ des Handshakes - - switch ( aHandshakeType ) - { - case CH_REQUEST_HandshakeAlive: - nBuffer += 0; // Keine extra Daten - break; - case CH_RESPONSE_HandshakeAlive: - nBuffer += 0; // Keine extra Daten - break; - case CH_REQUEST_ShutdownLink: - nBuffer += 0; // Keine extra Daten - break; - case CH_ShutdownLink: - nBuffer += 0; // Keine extra Daten - break; - case CH_SUPPORT_OPTIONS: - nBuffer += 2 ; // one word extradata for options - break; - case CH_SetApplication: - nBuffer += 0 ; // one word extradata for options - break; - default: - OSL_FAIL("Unknown HandshakeType"); - } - - if ( pData ) - nBuffer += nLen; // Extra data in Buffer - - comm_UINT32 n32; - n32 = 0xffffffff; // Umschalten auf MultiChannel - n32 = NETDWORD( n32 ); - WRITE_SOCKET( &n32, 4 ); - - comm_UINT32 nNetworkBuffer = NETDWORD( nBuffer ); - WRITE_SOCKET( &nNetworkBuffer, sizeof(nNetworkBuffer) ); - - - comm_UINT16 n16; - unsigned char c; - - c = CalcCheckByte( nBuffer ); - WRITE_SOCKET( &c, 1 ); - - n16 = 2; // L�nge des Headers f�r einen CH_Handshake - n16 = NETWORD( n16 ); - WRITE_SOCKET( &n16, 2 ); - - n16 = CH_Handshake; // Typ des Headers - n16 = NETWORD( n16 ); - WRITE_SOCKET( &n16, 2 ); - - n16 = aHandshakeType; // Typ des Handshakes - n16 = NETWORD( n16 ); - WRITE_SOCKET( &n16, 2 ); - - - switch ( aHandshakeType ) - { - case CH_SUPPORT_OPTIONS: - n16 = OPT_USE_SHUTDOWN_PROTOCOL; - n16 = NETWORD( n16 ); - WRITE_SOCKET( &n16, 2 ); - break; - } - - if ( pData ) - WRITE_SOCKET( pData, nLen ); - - return !bWasError; -} - -/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |