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Diffstat (limited to 'nxcomp/CopyArea.cpp')
| -rw-r--r-- | nxcomp/CopyArea.cpp | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/nxcomp/CopyArea.cpp b/nxcomp/CopyArea.cpp new file mode 100644 index 000000000..e384ce13c --- /dev/null +++ b/nxcomp/CopyArea.cpp @@ -0,0 +1,187 @@ +/**************************************************************************/ +/* */ +/* 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 "CopyArea.h" + +#include "ClientCache.h" + +#include "EncodeBuffer.h" +#include "DecodeBuffer.h" + +// +// Set the verbosity level. +// + +#define PANIC +#define WARNING +#undef TEST +#undef DEBUG +#undef DUMP + +int CopyAreaStore::parseIdentity(Message *message, const unsigned char *buffer, + unsigned int size, int bigEndian) const +{ + CopyAreaMessage *copyArea = (CopyAreaMessage *) message; + + // + // Here is the fingerprint. + // + + copyArea -> src_drawable = GetULONG(buffer + 4, bigEndian); + copyArea -> dst_drawable = GetULONG(buffer + 8, bigEndian); + copyArea -> gcontext = GetULONG(buffer + 12, bigEndian); + + copyArea -> src_x = GetUINT(buffer + 16, bigEndian); + copyArea -> src_y = GetUINT(buffer + 18, bigEndian); + copyArea -> dst_x = GetUINT(buffer + 20, bigEndian); + copyArea -> dst_y = GetUINT(buffer + 22, bigEndian); + + copyArea -> width = GetUINT(buffer + 24, bigEndian); + copyArea -> height = GetUINT(buffer + 26, bigEndian); + + #ifdef DEBUG + *logofs << name() << ": Parsed Identity for message at " << this << ".\n" << logofs_flush; + #endif + + return 1; +} + +int CopyAreaStore::unparseIdentity(const Message *message, unsigned char *buffer, + unsigned int size, int bigEndian) const +{ + CopyAreaMessage *copyArea = (CopyAreaMessage *) message; + + // + // Fill all the message's fields. + // + + PutULONG(copyArea -> src_drawable, buffer + 4, bigEndian); + PutULONG(copyArea -> dst_drawable, buffer + 8, bigEndian); + PutULONG(copyArea -> gcontext, buffer + 12, bigEndian); + + PutUINT(copyArea -> src_x, buffer + 16, bigEndian); + PutUINT(copyArea -> src_y, buffer + 18, bigEndian); + PutUINT(copyArea -> dst_x, buffer + 20, bigEndian); + PutUINT(copyArea -> dst_y, buffer + 22, bigEndian); + + PutUINT(copyArea -> width, buffer + 24, bigEndian); + PutUINT(copyArea -> height, buffer + 26, bigEndian); + + #ifdef DEBUG + *logofs << name() << ": Unparsed identity for message at " << this << ".\n" << logofs_flush; + #endif + + return 1; +} + +void CopyAreaStore::dumpIdentity(const Message *message) const +{ + #ifdef DUMP + + CopyAreaMessage *copyArea = (CopyAreaMessage *) message; + + *logofs << name() << ": Identity src_drawable " << copyArea -> src_drawable + << ", dst_drawable " << copyArea -> dst_drawable << ", gcontext " << copyArea -> gcontext + << ", src_x " << copyArea -> src_x << ", src_y " << copyArea -> src_y + << ", dst_x " << copyArea -> dst_x << ", dst_y " << copyArea -> dst_y + << ", width " << copyArea -> width << ", height " << copyArea -> height + << ", size " << copyArea -> size_ << ".\n"; + + #endif +} + +void CopyAreaStore::identityChecksum(const Message *message, const unsigned char *buffer, + unsigned int size, int bigEndian) const +{ + md5_append(md5_state_, buffer + 16, 12); +} + +void CopyAreaStore::updateIdentity(EncodeBuffer &encodeBuffer, const Message *message, + const Message *cachedMessage, + ChannelCache *channelCache) const +{ + CopyAreaMessage *copyArea = (CopyAreaMessage *) message; + CopyAreaMessage *cachedCopyArea = (CopyAreaMessage *) cachedMessage; + + ClientCache *clientCache = (ClientCache *) channelCache; + + #ifdef TEST + *logofs << name() << ": Encoding value " << copyArea -> src_drawable + << " as " << "src_drawable" << " field.\n" << logofs_flush; + #endif + + encodeBuffer.encodeXidValue(copyArea -> src_drawable, clientCache -> drawableCache); + + cachedCopyArea -> src_drawable = copyArea -> src_drawable; + + #ifdef TEST + *logofs << name() << ": Encoding value " << copyArea -> dst_drawable + << " as " << "dst_drawable" << " field.\n" << logofs_flush; + #endif + + encodeBuffer.encodeXidValue(copyArea -> dst_drawable, clientCache -> drawableCache); + + cachedCopyArea -> dst_drawable = copyArea -> dst_drawable; + + #ifdef TEST + *logofs << name() << ": Encoding value " << copyArea -> gcontext + << " as " << "gcontext" << " field.\n" << logofs_flush; + #endif + + encodeBuffer.encodeXidValue(copyArea -> gcontext, clientCache -> gcCache); + + cachedCopyArea -> gcontext = copyArea -> gcontext; +} + +void CopyAreaStore::updateIdentity(DecodeBuffer &decodeBuffer, const Message *message, + ChannelCache *channelCache) const +{ + CopyAreaMessage *copyArea = (CopyAreaMessage *) message; + + ClientCache *clientCache = (ClientCache *) channelCache; + + unsigned int value; + + decodeBuffer.decodeXidValue(value, clientCache -> drawableCache); + + copyArea -> src_drawable = value; + + #ifdef DEBUG + *logofs << name() << ": Decoded value " << copyArea -> src_drawable + << " as " << "src_drawable" << " field.\n" << logofs_flush; + #endif + + decodeBuffer.decodeXidValue(value, clientCache -> drawableCache); + + copyArea -> dst_drawable = value; + + #ifdef DEBUG + *logofs << name() << ": Decoded value " << copyArea -> dst_drawable + << " as " << "dst_drawable" << " field.\n" << logofs_flush; + #endif + + decodeBuffer.decodeXidValue(value, clientCache -> gcCache); + + copyArea -> gcontext = value; + + #ifdef DEBUG + *logofs << name() << ": Decoded value " << copyArea -> gcontext + << " as gcontext field.\n" << logofs_flush; + #endif +} + + |