From f76c82403888bb498973ec974dbfd20e4edb02fe Mon Sep 17 00:00:00 2001 From: Mike Gabriel Date: Fri, 30 Jun 2017 20:13:51 +0200 Subject: nxcomp: Switch to autoreconf. --- nxcomp/src/PutPackedImage.cpp | 604 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 604 insertions(+) create mode 100644 nxcomp/src/PutPackedImage.cpp (limited to 'nxcomp/src/PutPackedImage.cpp') diff --git a/nxcomp/src/PutPackedImage.cpp b/nxcomp/src/PutPackedImage.cpp new file mode 100644 index 000000000..0bae2c0d4 --- /dev/null +++ b/nxcomp/src/PutPackedImage.cpp @@ -0,0 +1,604 @@ +/**************************************************************************/ +/* */ +/* Copyright (c) 2001, 2011 NoMachine (http://www.nomachine.com) */ +/* Copyright (c) 2008-2014 Oleksandr Shneyder */ +/* Copyright (c) 2014-2016 Ulrich Sibiller */ +/* Copyright (c) 2014-2016 Mihai Moldovan */ +/* Copyright (c) 2011-2016 Mike Gabriel */ +/* 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. */ +/* */ +/**************************************************************************/ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "PutPackedImage.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. +// + +PutPackedImageStore::PutPackedImageStore(StaticCompressor *compressor) + + : MessageStore(compressor) +{ + enableCache = PUTPACKEDIMAGE_ENABLE_CACHE; + enableData = PUTPACKEDIMAGE_ENABLE_DATA; + enableCompress = PUTPACKEDIMAGE_ENABLE_COMPRESS; + + dataLimit = PUTPACKEDIMAGE_DATA_LIMIT; + dataOffset = PUTPACKEDIMAGE_DATA_OFFSET; + + cacheSlots = PUTPACKEDIMAGE_CACHE_SLOTS; + cacheThreshold = PUTPACKEDIMAGE_CACHE_THRESHOLD; + cacheLowerThreshold = PUTPACKEDIMAGE_CACHE_LOWER_THRESHOLD; + + // Since ProtoStep8 (#issue 108) + enableSplit = PUTPACKEDIMAGE_ENABLE_SPLIT_IF_PROTO_STEP_8; + + messages_ -> resize(cacheSlots); + + for (T_messages::iterator i = messages_ -> begin(); + i < messages_ -> end(); i++) + { + *i = NULL; + } + + temporary_ = NULL; +} + +PutPackedImageStore::~PutPackedImageStore() +{ + for (T_messages::iterator i = messages_ -> begin(); + i < messages_ -> end(); i++) + { + destroy(*i); + } + + destroy(temporary_); +} + +// +// Here are the methods to handle messages' content. +// + +int PutPackedImageStore::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 + + // Client. + encodeBuffer.encodeCachedValue(*(buffer + 1), 8, + clientCache -> resourceCache); + + // Size. + encodeBuffer.encodeValue(GetUINT(buffer + 2, bigEndian), 16, 10); + + // Drawable. + encodeBuffer.encodeXidValue(GetULONG(buffer + 4, bigEndian), + clientCache -> drawableCache); + // GC. + encodeBuffer.encodeXidValue(GetULONG(buffer + 8, bigEndian), + clientCache -> gcCache); + // Method. + encodeBuffer.encodeCachedValue(*(buffer + 12), 8, + clientCache -> methodCache); + // Format. + encodeBuffer.encodeValue(*(buffer + 13), 2); + + // SrcDepth. + encodeBuffer.encodeCachedValue(*(buffer + 14), 8, + clientCache -> depthCache); + // DstDepth. + encodeBuffer.encodeCachedValue(*(buffer + 15), 8, + clientCache -> depthCache); + // SrcLength. + encodeBuffer.encodeCachedValue(GetULONG(buffer + 16, bigEndian), 24, + clientCache -> putPackedImageSrcLengthCache); + // DstLength. + encodeBuffer.encodeCachedValue(GetULONG(buffer + 20, bigEndian), 24, + clientCache -> putPackedImageDstLengthCache); + // SrcX. + unsigned int x = GetUINT(buffer + 24, bigEndian); + int xDiff = x - clientCache -> putImageLastX; + clientCache -> putImageLastX = x; + encodeBuffer.encodeCachedValue(xDiff, 16, + clientCache -> putImageXCache, 8); + // SrcY. + unsigned int y = GetUINT(buffer + 26, bigEndian); + int yDiff = y - clientCache -> putImageLastY; + clientCache -> putImageLastY = y; + encodeBuffer.encodeCachedValue(yDiff, 16, + clientCache -> putImageYCache, 8); + // SrcWidth. + encodeBuffer.encodeCachedValue(GetUINT(buffer + 28, bigEndian), 16, + clientCache -> putImageWidthCache, 8); + // SrcHeight. + encodeBuffer.encodeCachedValue(GetUINT(buffer + 30, bigEndian), 16, + clientCache -> putImageHeightCache, 8); + // DstX. + x = GetUINT(buffer + 32, bigEndian); + xDiff = x - clientCache -> putImageLastX; + clientCache -> putImageLastX = x; + encodeBuffer.encodeCachedValue(xDiff, 16, + clientCache -> putImageXCache, 8); + // DstY. + y = GetUINT(buffer + 34, bigEndian); + yDiff = y - clientCache -> putImageLastY; + clientCache -> putImageLastY = y; + encodeBuffer.encodeCachedValue(yDiff, 16, + clientCache -> putImageYCache, 8); + // DstWidth. + encodeBuffer.encodeCachedValue(GetUINT(buffer + 36, bigEndian), 16, + clientCache -> putImageWidthCache, 8); + // DstHeight. + encodeBuffer.encodeCachedValue(GetUINT(buffer + 38, bigEndian), 16, + clientCache -> putImageHeightCache, 8); + + #ifdef DEBUG + *logofs << name() << ": Encoded full message identity.\n" << logofs_flush; + #endif + + return 1; +} + +int PutPackedImageStore::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 + + unsigned int value; + unsigned char cValue; + + // Client. + decodeBuffer.decodeCachedValue(cValue, 8, + clientCache -> resourceCache); + + // Size. + decodeBuffer.decodeValue(size, 16, 10); + + size <<= 2; + + buffer = writeBuffer -> addMessage(size); + + *(buffer + 1) = cValue; + + // Drawable. + decodeBuffer.decodeXidValue(value, clientCache -> drawableCache); + PutULONG(value, buffer + 4, bigEndian); + + // GC. + decodeBuffer.decodeXidValue(value, clientCache -> gcCache); + PutULONG(value, buffer + 8, bigEndian); + + // Method. + decodeBuffer.decodeCachedValue(cValue, 8, + clientCache -> methodCache); + *(buffer + 12) = cValue; + + // Format. + decodeBuffer.decodeValue(value, 2); + *(buffer + 13) = value; + + // SrcDepth. + decodeBuffer.decodeCachedValue(cValue, 8, + clientCache -> depthCache); + *(buffer + 14) = cValue; + + // DstDepth. + decodeBuffer.decodeCachedValue(cValue, 8, + clientCache -> depthCache); + *(buffer + 15) = cValue; + + // SrcLength. + decodeBuffer.decodeCachedValue(value, 24, + clientCache -> putPackedImageSrcLengthCache); + PutULONG(value, buffer + 16, bigEndian); + + // DstLength. + decodeBuffer.decodeCachedValue(value, 24, + clientCache -> putPackedImageDstLengthCache); + PutULONG(value, buffer + 20, bigEndian); + + // SrcX. + decodeBuffer.decodeCachedValue(value, 16, + clientCache -> putImageXCache, 8); + clientCache -> putImageLastX += value; + clientCache -> putImageLastX &= 0xffff; + PutUINT(clientCache -> putImageLastX, buffer + 24, bigEndian); + + // SrcY. + decodeBuffer.decodeCachedValue(value, 16, + clientCache -> putImageYCache, 8); + clientCache -> putImageLastY += value; + clientCache -> putImageLastY &= 0xffff; + PutUINT(clientCache -> putImageLastY, buffer + 26, bigEndian); + + // SrcWidth. + decodeBuffer.decodeCachedValue(value, 16, + clientCache -> putImageWidthCache, 8); + PutUINT(value, buffer + 28, bigEndian); + + // SrcHeight. + decodeBuffer.decodeCachedValue(value, 16, + clientCache -> putImageHeightCache, 8); + PutUINT(value, buffer + 30, bigEndian); + + // DstX. + decodeBuffer.decodeCachedValue(value, 16, + clientCache -> putImageXCache, 8); + clientCache -> putImageLastX += value; + clientCache -> putImageLastX &= 0xffff; + PutUINT(clientCache -> putImageLastX, buffer + 32, bigEndian); + + // DstY. + decodeBuffer.decodeCachedValue(value, 16, + clientCache -> putImageYCache, 8); + clientCache -> putImageLastY += value; + clientCache -> putImageLastY &= 0xffff; + PutUINT(clientCache -> putImageLastY, buffer + 34, bigEndian); + + // DstWidth. + decodeBuffer.decodeCachedValue(value, 16, + clientCache -> putImageWidthCache, 8); + PutUINT(value, buffer + 36, bigEndian); + + // DstHeight. + decodeBuffer.decodeCachedValue(value, 16, + clientCache -> putImageHeightCache, 8); + PutUINT(value, buffer + 38, bigEndian); + + #ifdef DEBUG + *logofs << name() << ": Decoded full message identity.\n" << logofs_flush; + #endif + + return 1; +} + +int PutPackedImageStore::parseIdentity(Message *message, const unsigned char *buffer, + unsigned int size, int bigEndian) const +{ + PutPackedImageMessage *putPackedImage = (PutPackedImageMessage *) message; + + // + // Here is the fingerprint. + // + + putPackedImage -> client = *(buffer + 1); + + putPackedImage -> drawable = GetULONG(buffer + 4, bigEndian); + putPackedImage -> gcontext = GetULONG(buffer + 8, bigEndian); + + putPackedImage -> method = *(buffer + 12); + + putPackedImage -> format = *(buffer + 13); + putPackedImage -> src_depth = *(buffer + 14); + putPackedImage -> dst_depth = *(buffer + 15); + + putPackedImage -> src_length = GetULONG(buffer + 16, bigEndian); + putPackedImage -> dst_length = GetULONG(buffer + 20, bigEndian); + + putPackedImage -> src_x = GetUINT(buffer + 24, bigEndian); + putPackedImage -> src_y = GetUINT(buffer + 26, bigEndian); + putPackedImage -> src_width = GetUINT(buffer + 28, bigEndian); + putPackedImage -> src_height = GetUINT(buffer + 30, bigEndian); + + putPackedImage -> dst_x = GetUINT(buffer + 32, bigEndian); + putPackedImage -> dst_y = GetUINT(buffer + 34, bigEndian); + putPackedImage -> dst_width = GetUINT(buffer + 36, bigEndian); + putPackedImage -> dst_height = GetUINT(buffer + 38, bigEndian); + + #ifdef DEBUG + *logofs << name() << ": Parsed identity for message at " + << message << ".\n" << logofs_flush; + #endif + + return 1; +} + +int PutPackedImageStore::unparseIdentity(const Message *message, unsigned char *buffer, + unsigned int size, int bigEndian) const +{ + PutPackedImageMessage *putPackedImage = (PutPackedImageMessage *) message; + + // + // Fill all the message's fields. + // + + *(buffer + 1) = putPackedImage -> client; + + PutULONG(putPackedImage -> drawable, buffer + 4, bigEndian); + PutULONG(putPackedImage -> gcontext, buffer + 8, bigEndian); + + *(buffer + 12) = putPackedImage -> method; + + *(buffer + 13) = putPackedImage -> format; + *(buffer + 14) = putPackedImage -> src_depth; + *(buffer + 15) = putPackedImage -> dst_depth; + + PutULONG(putPackedImage -> src_length, buffer + 16, bigEndian); + PutULONG(putPackedImage -> dst_length, buffer + 20, bigEndian); + + PutUINT(putPackedImage -> src_x, buffer + 24, bigEndian); + PutUINT(putPackedImage -> src_y, buffer + 26, bigEndian); + PutUINT(putPackedImage -> src_width, buffer + 28, bigEndian); + PutUINT(putPackedImage -> src_height, buffer + 30, bigEndian); + + PutUINT(putPackedImage -> dst_x, buffer + 32, bigEndian); + PutUINT(putPackedImage -> dst_y, buffer + 34, bigEndian); + PutUINT(putPackedImage -> dst_width, buffer + 36, bigEndian); + PutUINT(putPackedImage -> dst_height, buffer + 38, bigEndian); + + #ifdef DEBUG + *logofs << name() << ": Unparsed identity for message at " + << message << ".\n" << logofs_flush; + #endif + + return 1; +} + +void PutPackedImageStore::dumpIdentity(const Message *message) const +{ + #ifdef DUMP + + PutPackedImageMessage *putPackedImage = (PutPackedImageMessage *) message; + + *logofs << name() << ": Identity format " + + << "drawable " << putPackedImage -> drawable << ", " + << "gcontext " << putPackedImage -> gcontext << ", " + + << "format " << (unsigned int) putPackedImage -> format << ", " + << "method " << (unsigned int) putPackedImage -> method << ", " + + << "src_depth " << (unsigned int) putPackedImage -> src_depth << ", " + << "dst_depth " << (unsigned int) putPackedImage -> dst_depth << ", " + + << "src_length " << putPackedImage -> src_length << ", " + << "dst_length " << putPackedImage -> dst_length << ", " + + << "src_x " << putPackedImage -> src_x << ", " + << "src_y " << putPackedImage -> src_y << ", " + << "src_width " << putPackedImage -> src_width << ", " + << "src_height " << putPackedImage -> src_height << ", " + + << "dst_x " << putPackedImage -> dst_x << ", " + << "dst_y " << putPackedImage -> dst_y << ", " + << "dst_width " << putPackedImage -> dst_width << ", " + << "dst_height " << putPackedImage -> dst_height << ", " + + << "size " << putPackedImage -> size_ << ".\n" + << logofs_flush; + + #endif +} + +void PutPackedImageStore::identityChecksum(const Message *message, const unsigned char *buffer, + unsigned int size, int bigEndian) const +{ + // + // Fields method, format, src_depth, dst_depth, + // src_length, dst_length, src_x, src_y, src_width, + // src_height. + // + // + // TODO: We should better investigate the effect of + // having fields src_x and src_y in identity instead + // of keeping them in differences. + // + + md5_append(md5_state_, buffer + 12, 20); +} + +void PutPackedImageStore::updateIdentity(EncodeBuffer &encodeBuffer, const Message *message, + const Message *cachedMessage, + ChannelCache *channelCache) const +{ + // + // Encode the variant part. + // + + PutPackedImageMessage *putPackedImage = (PutPackedImageMessage *) message; + PutPackedImageMessage *cachedPutPackedImage = (PutPackedImageMessage *) cachedMessage; + + ClientCache *clientCache = (ClientCache *) channelCache; + + #ifdef TEST + *logofs << name() << ": Encoding value " + << (unsigned int) putPackedImage -> client + << " as client field.\n" << logofs_flush; + #endif + + encodeBuffer.encodeCachedValue(putPackedImage -> client, 8, + clientCache -> resourceCache); + + cachedPutPackedImage -> client = putPackedImage -> client; + + #ifdef TEST + *logofs << name() << ": Encoding value " << putPackedImage -> drawable + << " as drawable field.\n" << logofs_flush; + #endif + + encodeBuffer.encodeXidValue(putPackedImage -> drawable, clientCache -> drawableCache); + + cachedPutPackedImage -> drawable = putPackedImage -> drawable; + + #ifdef TEST + *logofs << name() << ": Encoding value " << putPackedImage -> gcontext + << " as gcontext field.\n" << logofs_flush; + #endif + + encodeBuffer.encodeXidValue(putPackedImage -> gcontext, clientCache -> gcCache); + + cachedPutPackedImage -> gcontext = putPackedImage -> gcontext; + + #ifdef TEST + *logofs << name() << ": Encoding value " << putPackedImage -> dst_x + << " as " << "dst_x" << " field.\n" << logofs_flush; + #endif + + unsigned short int diff_x = putPackedImage -> dst_x - cachedPutPackedImage -> dst_x; + + encodeBuffer.encodeCachedValue(diff_x, 16, + clientCache -> putImageXCache, 8); + + cachedPutPackedImage -> dst_x = putPackedImage -> dst_x; + + #ifdef TEST + *logofs << name() << ": Encoding value " << putPackedImage -> dst_y + << " as " << "dst_y" << " field.\n" << logofs_flush; + #endif + + unsigned short int diff_y = putPackedImage -> dst_y - cachedPutPackedImage -> dst_y; + + encodeBuffer.encodeCachedValue(diff_y, 16, + clientCache -> putImageYCache, 8); + + cachedPutPackedImage -> dst_y = putPackedImage -> dst_y; + + #ifdef TEST + *logofs << name() << ": Encoding value " << putPackedImage -> dst_width + << " as " << "dst_width" << " field.\n" << logofs_flush; + #endif + + encodeBuffer.encodeCachedValue(putPackedImage -> dst_width, 16, + clientCache -> putImageWidthCache, 8); + + cachedPutPackedImage -> dst_width = putPackedImage -> dst_width; + + #ifdef TEST + *logofs << name() << ": Encoding value " << putPackedImage -> dst_height + << " as " << "dst_height" << " field.\n" << logofs_flush; + #endif + + encodeBuffer.encodeCachedValue(putPackedImage -> dst_height, 16, + clientCache -> putImageHeightCache, 8); + + cachedPutPackedImage -> dst_height = putPackedImage -> dst_height; +} + +void PutPackedImageStore::updateIdentity(DecodeBuffer &decodeBuffer, const Message *message, + ChannelCache *channelCache) const +{ + // + // Decode the variant part. + // + + PutPackedImageMessage *putPackedImage = (PutPackedImageMessage *) message; + + ClientCache *clientCache = (ClientCache *) channelCache; + + unsigned int value; + + decodeBuffer.decodeCachedValue(putPackedImage -> client, 8, + clientCache -> resourceCache); + + #ifdef DEBUG + *logofs << name() << ": Decoded value " + << (unsigned int) putPackedImage -> client + << " as client field.\n" << logofs_flush; + #endif + + decodeBuffer.decodeXidValue(value, clientCache -> drawableCache); + + putPackedImage -> drawable = value; + + #ifdef DEBUG + *logofs << name() << ": Decoded value " << putPackedImage -> drawable + << " as drawable field.\n" << logofs_flush; + #endif + + decodeBuffer.decodeXidValue(value, clientCache -> gcCache); + + putPackedImage -> gcontext = value; + + #ifdef DEBUG + *logofs << name() << ": Decoded value " << putPackedImage -> gcontext + << " as gcontext field.\n" << logofs_flush; + #endif + + decodeBuffer.decodeCachedValue(value, 16, + clientCache -> putImageXCache, 8); + + putPackedImage -> dst_x += value; + putPackedImage -> dst_x &= 0xffff; + + #ifdef DEBUG + *logofs << name() << ": Decoded value " << putPackedImage -> dst_x + << " as dst_x field.\n" << logofs_flush; + #endif + + decodeBuffer.decodeCachedValue(value, 16, + clientCache -> putImageYCache, 8); + + putPackedImage -> dst_y += value; + putPackedImage -> dst_y &= 0xffff; + + #ifdef DEBUG + *logofs << name() << ": Decoded value " << putPackedImage -> dst_y + << " as dst_y field.\n" << logofs_flush; + #endif + + decodeBuffer.decodeCachedValue(value, 16, + clientCache -> putImageWidthCache, 8); + + putPackedImage -> dst_width = value; + + #ifdef DEBUG + *logofs << name() << ": Decoded value " << putPackedImage -> dst_width + << " as dst_width field.\n" << logofs_flush; + #endif + + decodeBuffer.decodeCachedValue(value, 16, + clientCache -> putImageHeightCache, 8); + + putPackedImage -> dst_height = value; + + #ifdef DEBUG + *logofs << name() << ": Decoded value " << putPackedImage -> dst_height + << " as dst_height field.\n" << logofs_flush; + #endif +} + -- cgit v1.2.3