diff options
Diffstat (limited to 'nxcomp/src/PolyLine.cpp')
| -rw-r--r-- | nxcomp/src/PolyLine.cpp | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/nxcomp/src/PolyLine.cpp b/nxcomp/src/PolyLine.cpp new file mode 100644 index 000000000..1b12bbe98 --- /dev/null +++ b/nxcomp/src/PolyLine.cpp @@ -0,0 +1,168 @@ +/**************************************************************************/ +/* */ +/* 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. */ +/* */ +/**************************************************************************/ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "PolyLine.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 PolyLineStore::parseIdentity(Message *message, const unsigned char *buffer, + unsigned int size, int bigEndian) const +{ + PolyLineMessage *polyLine = (PolyLineMessage *) message; + + // + // Here is the fingerprint. + // + + polyLine -> mode = *(buffer + 1); + + polyLine -> drawable = GetULONG(buffer + 4, bigEndian); + polyLine -> gcontext = GetULONG(buffer + 8, bigEndian); + + #ifdef DEBUG + *logofs << name() << ": Parsed Identity for message at " << this << ".\n" << logofs_flush; + #endif + + return 1; +} + +int PolyLineStore::unparseIdentity(const Message *message, unsigned char *buffer, + unsigned int size, int bigEndian) const +{ + PolyLineMessage *polyLine = (PolyLineMessage *) message; + + // + // Fill all the message's fields. + // + + *(buffer + 1) = polyLine -> mode; + + PutULONG(polyLine -> drawable, buffer + 4, bigEndian); + PutULONG(polyLine -> gcontext, buffer + 8, bigEndian); + + #ifdef DEBUG + *logofs << name() << ": Unparsed identity for message at " << this << ".\n" << logofs_flush; + #endif + + return 1; +} + +void PolyLineStore::dumpIdentity(const Message *message) const +{ + #ifdef DUMP + + PolyLineMessage *polyLine = (PolyLineMessage *) message; + + *logofs << name() << ": Identity drawable " << polyLine -> drawable + << ", gcontext " << polyLine -> gcontext + << ", size " << polyLine -> size_ << ".\n" << logofs_flush; + #endif +} + +void PolyLineStore::identityChecksum(const Message *message, const unsigned char *buffer, + unsigned int size, int bigEndian) const +{ + // Since ProtoStep8 (#issue 108) + md5_append(md5_state_, buffer + 1, 1); +} + +void PolyLineStore::updateIdentity(EncodeBuffer &encodeBuffer, const Message *message, + const Message *cachedMessage, + ChannelCache *channelCache) const +{ + PolyLineMessage *polyLine = (PolyLineMessage *) message; + PolyLineMessage *cachedPolyLine = (PolyLineMessage *) cachedMessage; + + ClientCache *clientCache = (ClientCache *) channelCache; + + #ifdef TEST + *logofs << name() << ": Encoding value " << polyLine -> drawable + << " as drawable field.\n" << logofs_flush; + #endif + + encodeBuffer.encodeXidValue(polyLine -> drawable, clientCache -> drawableCache); + + cachedPolyLine -> drawable = polyLine -> drawable; + + #ifdef TEST + *logofs << name() << ": Encoding value " << polyLine -> gcontext + << " as gcontext field.\n" << logofs_flush; + #endif + + encodeBuffer.encodeXidValue(polyLine -> gcontext, clientCache -> gcCache); + + cachedPolyLine -> gcontext = polyLine -> gcontext; +} + +void PolyLineStore::updateIdentity(DecodeBuffer &decodeBuffer, const Message *message, + ChannelCache *channelCache) const +{ + PolyLineMessage *polyLine = (PolyLineMessage *) message; + + ClientCache *clientCache = (ClientCache *) channelCache; + + unsigned int value; + + decodeBuffer.decodeXidValue(value, clientCache -> drawableCache); + + polyLine -> drawable = value; + + #ifdef DEBUG + *logofs << name() << ": Decoded value " << polyLine -> drawable + << " as drawable field.\n" << logofs_flush; + #endif + + decodeBuffer.decodeXidValue(value, clientCache -> gcCache); + + polyLine -> gcontext = value; + + #ifdef DEBUG + *logofs << name() << ": Decoded value " << polyLine -> gcontext + << " as gcontext field.\n" << logofs_flush; + #endif +} + + |