/**************************************************************************/ /* */ /* Copyright (c) 2001, 2011 NoMachine (http://www.nomachine.com) */ /* Copyright (c) 2008-2014 Oleksandr Shneyder <o.shneyder@phoca-gmbh.de> */ /* Copyright (c) 2014-2016 Ulrich Sibiller <uli42@gmx.de> */ /* Copyright (c) 2014-2016 Mihai Moldovan <ionic@ionic.de> */ /* Copyright (c) 2011-2016 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>*/ /* Copyright (c) 2015-2016 Qindel Group (http://www.qindel.com) */ /* */ /* NXCOMP, NX protocol compression and NX extensions to this software */ /* are copyright of the aforementioned persons and companies. */ /* */ /* Redistribution and use of the present software is allowed according */ /* to terms specified in the file LICENSE.nxcomp which comes in the */ /* source distribution. */ /* */ /* All rights reserved. */ /* */ /* NOTE: This software has received contributions from various other */ /* contributors, only the core maintainers and supporters are listed as */ /* copyright holders. Please contact us, if you feel you should be listed */ /* as copyright holder, as well. */ /* */ /**************************************************************************/ #include "CreatePixmap.h" #include "ClientCache.h" #include "EncodeBuffer.h" #include "DecodeBuffer.h" #include "WriteBuffer.h" // // Set the verbosity level. // #define PANIC #define WARNING #undef TEST #undef DEBUG // // Constructors and destructors. // CreatePixmapStore::CreatePixmapStore() : MessageStore() { enableCache = CREATEPIXMAP_ENABLE_CACHE; enableData = CREATEPIXMAP_ENABLE_DATA; enableSplit = CREATEPIXMAP_ENABLE_SPLIT; enableCompress = CREATEPIXMAP_ENABLE_COMPRESS; dataLimit = CREATEPIXMAP_DATA_LIMIT; dataOffset = CREATEPIXMAP_DATA_OFFSET; cacheSlots = CREATEPIXMAP_CACHE_SLOTS; cacheThreshold = CREATEPIXMAP_CACHE_THRESHOLD; cacheLowerThreshold = CREATEPIXMAP_CACHE_LOWER_THRESHOLD; messages_ -> resize(cacheSlots); for (T_messages::iterator i = messages_ -> begin(); i < messages_ -> end(); i++) { *i = NULL; } temporary_ = NULL; } CreatePixmapStore::~CreatePixmapStore() { for (T_messages::iterator i = messages_ -> begin(); i < messages_ -> end(); i++) { destroy(*i); } destroy(temporary_); } // // Here are the methods to handle messages' content. // int CreatePixmapStore::encodeIdentity(EncodeBuffer &encodeBuffer, const unsigned char *buffer, const unsigned int size, int bigEndian, ChannelCache *channelCache) const { ClientCache *clientCache = (ClientCache *) channelCache; encodeBuffer.encodeCachedValue(*(buffer + 1), 8, clientCache -> depthCache); encodeBuffer.encodeNewXidValue(GetULONG(buffer + 4, bigEndian), clientCache -> lastId, clientCache -> lastIdCache, clientCache -> drawableCache, clientCache -> freeDrawableCache); encodeBuffer.encodeXidValue(GetULONG(buffer + 8, bigEndian), clientCache -> windowCache); encodeBuffer.encodeCachedValue(GetUINT(buffer + 12, bigEndian), 16, clientCache -> createPixmapXCache, 8); encodeBuffer.encodeCachedValue(GetUINT(buffer + 14, bigEndian), 16, clientCache -> createPixmapYCache, 8); #ifdef TEST *logofs << name() << ": Encoded message. Size is " << size << ".\n" << logofs_flush; #endif return 1; } int CreatePixmapStore::decodeIdentity(DecodeBuffer &decodeBuffer, unsigned char *&buffer, unsigned int &size, int bigEndian, WriteBuffer *writeBuffer, ChannelCache *channelCache) const { ClientCache *clientCache = (ClientCache *) channelCache; unsigned char cValue; unsigned int value; size = 16; buffer = writeBuffer -> addMessage(size); decodeBuffer.decodeCachedValue(cValue, 8, clientCache -> depthCache); *(buffer + 1) = cValue; decodeBuffer.decodeNewXidValue(value, clientCache -> lastId, clientCache -> lastIdCache, clientCache -> drawableCache, clientCache -> freeDrawableCache); PutULONG(value, buffer + 4, bigEndian); decodeBuffer.decodeXidValue(value, clientCache -> windowCache); PutULONG(value, buffer + 8, bigEndian); decodeBuffer.decodeCachedValue(value, 16, clientCache -> createPixmapXCache, 8); PutUINT(value, buffer + 12, bigEndian); decodeBuffer.decodeCachedValue(value, 16, clientCache -> createPixmapYCache, 8); PutUINT(value, buffer + 14, bigEndian); #ifdef TEST *logofs << name() << ": Decoded message. Size is " << size << ".\n" << logofs_flush; #endif return 1; } int CreatePixmapStore::parseIdentity(Message *message, const unsigned char *buffer, unsigned int size, int bigEndian) const { CreatePixmapMessage *createPixmap = (CreatePixmapMessage *) message; createPixmap -> depth = *(buffer + 1); createPixmap -> id = GetULONG(buffer + 4, bigEndian); createPixmap -> drawable = GetULONG(buffer + 8, bigEndian); createPixmap -> width = GetUINT(buffer + 12, bigEndian); createPixmap -> height = GetUINT(buffer + 14, bigEndian); #ifdef TEST *logofs << name() << ": Parsed identity. Size is " << createPixmap -> size_ << " identity is " << createPixmap -> i_size_ << ".\n" << logofs_flush; #endif return 1; } int CreatePixmapStore::unparseIdentity(const Message *message, unsigned char *buffer, unsigned int size, int bigEndian) const { CreatePixmapMessage *createPixmap = (CreatePixmapMessage *) message; *(buffer + 1) = createPixmap -> depth; PutULONG(createPixmap -> id, buffer + 4, bigEndian); PutULONG(createPixmap -> drawable, buffer + 8, bigEndian); PutUINT(createPixmap -> width, buffer + 12, bigEndian); PutUINT(createPixmap -> height, buffer + 14, bigEndian); #ifdef TEST *logofs << name() << ": Unparsed identity. Size is " << createPixmap -> size_ << " identity is " << createPixmap -> i_size_ << ".\n" << logofs_flush; #endif return 1; } void CreatePixmapStore::dumpIdentity(const Message *message) const { #ifdef DUMP #ifdef WARNING *logofs << name() << ": WARNING! Dump of identity not implemented.\n" << logofs_flush; #endif #endif } void CreatePixmapStore::identityChecksum(const Message *message, const unsigned char *buffer, unsigned int size, int bigEndian) const { md5_append(md5_state_, buffer + 1, 1); md5_append(md5_state_, buffer + 8, 8); } void CreatePixmapStore::updateIdentity(EncodeBuffer &encodeBuffer, const Message *message, const Message *cachedMessage, ChannelCache *channelCache) const { CreatePixmapMessage *createPixmap = (CreatePixmapMessage *) message; CreatePixmapMessage *cachedCreatePixmap = (CreatePixmapMessage *) cachedMessage; ClientCache *clientCache = (ClientCache *) channelCache; encodeBuffer.encodeNewXidValue(createPixmap -> id, clientCache -> lastId, clientCache -> lastIdCache, clientCache -> drawableCache, clientCache -> freeDrawableCache); cachedCreatePixmap -> id = createPixmap -> id; #ifdef TEST *logofs << name() << ": Encoded update. Size is " << createPixmap -> size_ << " identity is " << createPixmap -> i_size_ << ".\n" << logofs_flush; #endif } void CreatePixmapStore::updateIdentity(DecodeBuffer &decodeBuffer, const Message *message, ChannelCache *channelCache) const { CreatePixmapMessage *createPixmap = (CreatePixmapMessage *) message; ClientCache *clientCache = (ClientCache *) channelCache; decodeBuffer.decodeNewXidValue(createPixmap -> id, clientCache -> lastId, clientCache -> lastIdCache, clientCache -> drawableCache, clientCache -> freeDrawableCache); #ifdef TEST *logofs << name() << ": Decoded update. Size is " << createPixmap -> size_ << " identity is " << createPixmap -> i_size_ << ".\n" << logofs_flush; #endif }