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Diffstat (limited to 'nxcomp/PolyPoint.cpp')
| -rw-r--r-- | nxcomp/PolyPoint.cpp | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/nxcomp/PolyPoint.cpp b/nxcomp/PolyPoint.cpp new file mode 100644 index 000000000..847300f78 --- /dev/null +++ b/nxcomp/PolyPoint.cpp @@ -0,0 +1,170 @@ +/**************************************************************************/ +/* */ +/* 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 "PolyPoint.h" + +#include "ClientCache.h" + +#include "EncodeBuffer.h" +#include "DecodeBuffer.h" + +// +// Set the verbosity level. +// + +#define PANIC +#define WARNING +#undef TEST +#undef DEBUG +#undef DUMP + +// +// Here are the methods to handle messages' content. +// + +int PolyPointStore::parseIdentity(Message *message, const unsigned char *buffer, + unsigned int size, int bigEndian) const +{ + PolyPointMessage *polyPoint = (PolyPointMessage *) message; + + // + // Here is the fingerprint. + // + + polyPoint -> mode = *(buffer + 1); + + polyPoint -> drawable = GetULONG(buffer + 4, bigEndian); + polyPoint -> gcontext = GetULONG(buffer + 8, bigEndian); + + #ifdef DEBUG + *logofs << name() << ": Parsed Identity for message at " << this << ".\n" << logofs_flush; + #endif + + return 1; +} + +int PolyPointStore::unparseIdentity(const Message *message, unsigned char *buffer, + unsigned int size, int bigEndian) const +{ + PolyPointMessage *polyPoint = (PolyPointMessage *) message; + + // + // Fill all the message's fields. + // + + *(buffer + 1) = polyPoint -> mode; + + PutULONG(polyPoint -> drawable, buffer + 4, bigEndian); + PutULONG(polyPoint -> gcontext, buffer + 8, bigEndian); + + #ifdef DEBUG + *logofs << name() << ": Unparsed identity for message at " << this << ".\n" << logofs_flush; + #endif + + return 1; +} + +void PolyPointStore::dumpIdentity(const Message *message) const +{ + #ifdef DUMP + + PolyPointMessage *polyPoint = (PolyPointMessage *) message; + + *logofs << name() << ": Identity drawable " << polyPoint -> drawable + << ", gcontext " << polyPoint -> gcontext + << ", size " << polyPoint -> size_ << ".\n" << logofs_flush; + #endif +} + +void PolyPointStore::identityChecksum(const Message *message, const unsigned char *buffer, + unsigned int size, int bigEndian) const +{ + if (control -> isProtoStep8() == 1) + { + md5_append(md5_state_, buffer + 1, 1); + } +} + +void PolyPointStore::updateIdentity(EncodeBuffer &encodeBuffer, const Message *message, + const Message *cachedMessage, + ChannelCache *channelCache) const +{ + PolyPointMessage *polyPoint = (PolyPointMessage *) message; + PolyPointMessage *cachedPolyPoint = (PolyPointMessage *) cachedMessage; + + ClientCache *clientCache = (ClientCache *) channelCache; + + if (control -> isProtoStep8() == 0) + { + encodeBuffer.encodeBoolValue((unsigned int) polyPoint -> mode); + } + + #ifdef TEST + *logofs << name() << ": Encoding value " << polyPoint -> drawable + << " as drawable field.\n" << logofs_flush; + #endif + + encodeBuffer.encodeXidValue(polyPoint -> drawable, clientCache -> drawableCache); + + cachedPolyPoint -> drawable = polyPoint -> drawable; + + #ifdef TEST + *logofs << name() << ": Encoding value " << polyPoint -> gcontext + << " as gcontext field.\n" << logofs_flush; + #endif + + encodeBuffer.encodeXidValue(polyPoint -> gcontext, clientCache -> gcCache); + + cachedPolyPoint -> gcontext = polyPoint -> gcontext; +} + +void PolyPointStore::updateIdentity(DecodeBuffer &decodeBuffer, const Message *message, + ChannelCache *channelCache) const +{ + PolyPointMessage *polyPoint = (PolyPointMessage *) message; + + ClientCache *clientCache = (ClientCache *) channelCache; + + unsigned int value; + + if (control -> isProtoStep8() == 0) + { + decodeBuffer.decodeBoolValue(value); + + polyPoint -> mode = value; + } + + decodeBuffer.decodeXidValue(value, clientCache -> drawableCache); + + polyPoint -> drawable = value; + + #ifdef DEBUG + *logofs << name() << ": Decoded value " << polyPoint -> drawable + << " as drawable field.\n" << logofs_flush; + #endif + + decodeBuffer.decodeXidValue(value, clientCache -> gcCache); + + polyPoint -> gcontext = value; + + #ifdef DEBUG + *logofs << name() << ": Decoded value " << polyPoint -> gcontext + << " as gcontext field.\n" << logofs_flush; + #endif +} + + |