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Diffstat (limited to 'nxcomp/SetUnpackGeometry.cpp')
-rw-r--r-- | nxcomp/SetUnpackGeometry.cpp | 293 |
1 files changed, 293 insertions, 0 deletions
diff --git a/nxcomp/SetUnpackGeometry.cpp b/nxcomp/SetUnpackGeometry.cpp new file mode 100644 index 000000000..67b79a410 --- /dev/null +++ b/nxcomp/SetUnpackGeometry.cpp @@ -0,0 +1,293 @@ +/**************************************************************************/ +/* */ +/* Copyright (c) 2001, 2010 NoMachine, http://www.nomachine.com/. */ +/* */ +/* NXCOMP, NX protocol compression and NX extensions to this software */ +/* are copyright of NoMachine. Redistribution and use of the present */ +/* software is allowed according to terms specified in the file LICENSE */ +/* which comes in the source distribution. */ +/* */ +/* Check http://www.nomachine.com/licensing.html for applicability. */ +/* */ +/* NX and NoMachine are trademarks of Medialogic S.p.A. */ +/* */ +/* All rights reserved. */ +/* */ +/**************************************************************************/ + +#include "SetUnpackGeometry.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 +#undef DUMP + +// +// Constructors and destructors. +// + +SetUnpackGeometryStore::SetUnpackGeometryStore(StaticCompressor *compressor) + + : MessageStore(compressor) +{ + enableCache = SETUNPACKGEOMETRY_ENABLE_CACHE; + enableData = SETUNPACKGEOMETRY_ENABLE_DATA; + enableSplit = SETUNPACKGEOMETRY_ENABLE_SPLIT; + enableCompress = SETUNPACKGEOMETRY_ENABLE_COMPRESS; + + dataLimit = SETUNPACKGEOMETRY_DATA_LIMIT; + dataOffset = SETUNPACKGEOMETRY_DATA_OFFSET; + + cacheSlots = SETUNPACKGEOMETRY_CACHE_SLOTS; + cacheThreshold = SETUNPACKGEOMETRY_CACHE_THRESHOLD; + cacheLowerThreshold = SETUNPACKGEOMETRY_CACHE_LOWER_THRESHOLD; + + messages_ -> resize(cacheSlots); + + for (T_messages::iterator i = messages_ -> begin(); + i < messages_ -> end(); i++) + { + *i = NULL; + } + + temporary_ = NULL; +} + +SetUnpackGeometryStore::~SetUnpackGeometryStore() +{ + for (T_messages::iterator i = messages_ -> begin(); + i < messages_ -> end(); i++) + { + destroy(*i); + } + + destroy(temporary_); +} + +// +// Here are the methods to handle messages' content. +// + +int SetUnpackGeometryStore::encodeIdentity(EncodeBuffer &encodeBuffer, const unsigned char *buffer, + const unsigned int size, int bigEndian, + ChannelCache *channelCache) const +{ + ClientCache *clientCache = (ClientCache *) channelCache; + + #ifdef DEBUG + *logofs << name() << ": Encoding full message identity.\n" << logofs_flush; + #endif + + encodeBuffer.encodeCachedValue(*(buffer + 1), 8, + clientCache -> resourceCache); + + const unsigned char *nextChar = buffer + 4; + + for (int i = 0; i < 6; i++) + { + encodeBuffer.encodeCachedValue(*nextChar++, 8, + clientCache -> depthCache); + } + + encodeBuffer.encodeValue(GetULONG(buffer + 12, bigEndian), 32); + encodeBuffer.encodeValue(GetULONG(buffer + 16, bigEndian), 32); + encodeBuffer.encodeValue(GetULONG(buffer + 20, bigEndian), 32); + + #ifdef DEBUG + *logofs << name() << ": Encoded full message identity.\n" << logofs_flush; + #endif + + return 1; +} + +int SetUnpackGeometryStore::decodeIdentity(DecodeBuffer &decodeBuffer, unsigned char *&buffer, + unsigned int &size, int bigEndian, WriteBuffer *writeBuffer, + ChannelCache *channelCache) const +{ + ClientCache *clientCache = (ClientCache *) channelCache; + + #ifdef DEBUG + *logofs << name() << ": Decoding full message identity.\n" << logofs_flush; + #endif + + size = 24; + buffer = writeBuffer -> addMessage(size); + + unsigned char cValue; + + decodeBuffer.decodeCachedValue(cValue, 8, + clientCache -> resourceCache); + *(buffer + 1) = cValue; + + decodeBuffer.decodeCachedValue(cValue, 8, + clientCache -> depthCache); + *(buffer + 4) = cValue; + + decodeBuffer.decodeCachedValue(cValue, 8, + clientCache -> depthCache); + *(buffer + 5) = cValue; + + decodeBuffer.decodeCachedValue(cValue, 8, + clientCache -> depthCache); + *(buffer + 6) = cValue; + + decodeBuffer.decodeCachedValue(cValue, 8, + clientCache -> depthCache); + *(buffer + 7) = cValue; + + decodeBuffer.decodeCachedValue(cValue, 8, + clientCache -> depthCache); + *(buffer + 8) = cValue; + + decodeBuffer.decodeCachedValue(cValue, 8, + clientCache -> depthCache); + *(buffer + 9) = cValue; + + unsigned int value; + + decodeBuffer.decodeValue(value, 32); + PutULONG(value, buffer + 12, bigEndian); + + decodeBuffer.decodeValue(value, 32); + PutULONG(value, buffer + 16, bigEndian); + + decodeBuffer.decodeValue(value, 32); + PutULONG(value, buffer + 20, bigEndian); + + #ifdef DEBUG + *logofs << name() << ": Decoded full message identity.\n" << logofs_flush; + #endif + + return 1; +} + +int SetUnpackGeometryStore::parseIdentity(Message *message, const unsigned char *buffer, + unsigned int size, int bigEndian) const +{ + SetUnpackGeometryMessage *setUnpackGeometry = (SetUnpackGeometryMessage *) message; + + setUnpackGeometry -> client = *(buffer + 1); + + setUnpackGeometry -> depth_1_bpp = *(buffer + 4); + setUnpackGeometry -> depth_4_bpp = *(buffer + 5); + setUnpackGeometry -> depth_8_bpp = *(buffer + 6); + setUnpackGeometry -> depth_16_bpp = *(buffer + 7); + setUnpackGeometry -> depth_24_bpp = *(buffer + 8); + setUnpackGeometry -> depth_32_bpp = *(buffer + 9); + + setUnpackGeometry -> red_mask = GetULONG(buffer + 12, bigEndian); + setUnpackGeometry -> green_mask = GetULONG(buffer + 16, bigEndian); + setUnpackGeometry -> blue_mask = GetULONG(buffer + 20, bigEndian); + + #ifdef DEBUG + *logofs << name() << ": Parsed identity for message at " << message << ".\n" << logofs_flush; + #endif + + return 1; +} + +int SetUnpackGeometryStore::unparseIdentity(const Message *message, unsigned char *buffer, + unsigned int size, int bigEndian) const +{ + SetUnpackGeometryMessage *setUnpackGeometry = (SetUnpackGeometryMessage *) message; + + *(buffer + 1) = setUnpackGeometry -> client; + + *(buffer + 4) = setUnpackGeometry -> depth_1_bpp; + *(buffer + 5) = setUnpackGeometry -> depth_4_bpp; + *(buffer + 6) = setUnpackGeometry -> depth_8_bpp; + *(buffer + 7) = setUnpackGeometry -> depth_16_bpp; + *(buffer + 8) = setUnpackGeometry -> depth_24_bpp; + *(buffer + 9) = setUnpackGeometry -> depth_32_bpp; + + PutULONG(setUnpackGeometry -> red_mask, buffer + 12, bigEndian); + PutULONG(setUnpackGeometry -> green_mask, buffer + 16, bigEndian); + PutULONG(setUnpackGeometry -> blue_mask, buffer + 20, bigEndian); + + #ifdef DEBUG + *logofs << name() << ": Unparsed identity for message at " << message << ".\n" << logofs_flush; + #endif + + return 1; +} + +void SetUnpackGeometryStore::dumpIdentity(const Message *message) const +{ + #ifdef DUMP + + SetUnpackGeometryMessage *setUnpackGeometry = (SetUnpackGeometryMessage *) message; + + *logofs << name() << ": Identity client " + << (unsigned) setUnpackGeometry -> client << " depth_1_bpp " + << (unsigned) setUnpackGeometry -> depth_1_bpp << " depth_4_bpp " + << (unsigned int) setUnpackGeometry -> depth_4_bpp << " depth_8_bpp " + << (unsigned int) setUnpackGeometry -> depth_8_bpp << " depth_16_bpp " + << (unsigned int) setUnpackGeometry -> depth_16_bpp << " depth_24_bpp " + << (unsigned int) setUnpackGeometry -> depth_24_bpp << " depth_32_bpp " + << (unsigned int) setUnpackGeometry -> depth_32_bpp + + << " red_mask " << setUnpackGeometry -> red_mask + << " green_mask " << setUnpackGeometry -> green_mask + << " blue_mask " << setUnpackGeometry -> blue_mask + + << " size " << setUnpackGeometry -> size_ << ".\n"; + + #endif +} + +void SetUnpackGeometryStore::identityChecksum(const Message *message, const unsigned char *buffer, + unsigned int size, int bigEndian) const +{ + md5_append(md5_state_, buffer + 4, 6); + md5_append(md5_state_, buffer + 12, 12); +} + +void SetUnpackGeometryStore::updateIdentity(EncodeBuffer &encodeBuffer, const Message *message, + const Message *cachedMessage, + ChannelCache *channelCache) const +{ + SetUnpackGeometryMessage *setUnpackGeometry = (SetUnpackGeometryMessage *) message; + SetUnpackGeometryMessage *cachedSetUnpackGeometry = (SetUnpackGeometryMessage *) cachedMessage; + + ClientCache *clientCache = (ClientCache *) channelCache; + + #ifdef TEST + *logofs << name() << ": Encoding value " + << (unsigned int) setUnpackGeometry -> client + << " as client field.\n" << logofs_flush; + #endif + + encodeBuffer.encodeCachedValue(setUnpackGeometry -> client, 8, + clientCache -> resourceCache); + + cachedSetUnpackGeometry -> client = setUnpackGeometry -> client; +} + +void SetUnpackGeometryStore::updateIdentity(DecodeBuffer &decodeBuffer, const Message *message, + ChannelCache *channelCache) const +{ + SetUnpackGeometryMessage *setUnpackGeometry = (SetUnpackGeometryMessage *) message; + + ClientCache *clientCache = (ClientCache *) channelCache; + + decodeBuffer.decodeCachedValue(setUnpackGeometry -> client, 8, + clientCache -> resourceCache); + + #ifdef DEBUG + *logofs << name() << ": Decoded value " + << (unsigned int) setUnpackGeometry -> client + << " as client field.\n" << logofs_flush; + #endif +} |