From 3e924126b56c4d421e8263d25f6b14aa4ceed047 Mon Sep 17 00:00:00 2001 From: Reinhard Tartler Date: Sun, 13 Nov 2011 09:27:51 +0100 Subject: Imported nxcomp-3.1.0-4.tar.gz Summary: Imported nxcomp-3.1.0-4.tar.gz Keywords: Imported nxcomp-3.1.0-4.tar.gz into Git repository --- nxcomp/CreateGC.cpp | 226 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 226 insertions(+) create mode 100755 nxcomp/CreateGC.cpp (limited to 'nxcomp/CreateGC.cpp') diff --git a/nxcomp/CreateGC.cpp b/nxcomp/CreateGC.cpp new file mode 100755 index 000000000..92ad73f6a --- /dev/null +++ b/nxcomp/CreateGC.cpp @@ -0,0 +1,226 @@ +/**************************************************************************/ +/* */ +/* Copyright (c) 2001, 2007 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 NoMachine S.r.l. */ +/* */ +/* All rights reserved. */ +/* */ +/**************************************************************************/ + +#include "CreateGC.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 CreateGCStore::parseIdentity(Message *message, const unsigned char *buffer, + unsigned int size, int bigEndian) const +{ + CreateGCMessage *createGC = (CreateGCMessage *) message; + + // + // Here is the fingerprint. + // + + createGC -> gcontext = GetULONG(buffer + 4, bigEndian); + createGC -> drawable = GetULONG(buffer + 8, bigEndian); + createGC -> value_mask = GetULONG(buffer + 12, bigEndian); + + // + // Clear the unused bytes carried in the + // payload to increase the effectiveness + // of the caching algorithm. + // + + if ((int) size > dataOffset) + { + #ifdef DEBUG + *logofs << name() << ": Removing unused bytes from the " + << "data payload.\n" << logofs_flush; + #endif + + createGC -> value_mask &= (1 << 23) - 1; + + unsigned int mask = 0x1; + unsigned char *source = (unsigned char *) buffer + CREATEGC_DATA_OFFSET; + unsigned long value = 0; + + for (unsigned int i = 0; i < 23; i++) + { + if (createGC -> value_mask & mask) + { + value = GetULONG(source, bigEndian); + + value &= (0xffffffff >> (32 - CREATEGC_FIELD_WIDTH[i])); + + PutULONG(value, source, bigEndian); + + source += 4; + } + + mask <<= 1; + } + } + + #ifdef DEBUG + *logofs << name() << ": Parsed identity for message at " + << this << ".\n" << logofs_flush; + #endif + + return 1; +} + +int CreateGCStore::unparseIdentity(const Message *message, unsigned char *buffer, + unsigned int size, int bigEndian) const +{ + CreateGCMessage *createGC = (CreateGCMessage *) message; + + // + // Fill all the message's fields. + // + + PutULONG(createGC -> gcontext, buffer + 4, bigEndian); + PutULONG(createGC -> drawable, buffer + 8, bigEndian); + PutULONG(createGC -> value_mask, buffer + 12, bigEndian); + + #ifdef DEBUG + *logofs << name() << ": Unparsed identity for message at " + << this << ".\n" << logofs_flush; + #endif + + return 1; +} + +void CreateGCStore::dumpIdentity(const Message *message) const +{ + #ifdef DUMP + + CreateGCMessage *createGC = (CreateGCMessage *) message; + + *logofs << name() << ": Identity gcontext " << createGC -> gcontext << ", drawable " + << createGC -> drawable << ", value_mask " << createGC -> value_mask + << ", size " << createGC -> size_ << ".\n" << logofs_flush; + #endif +} + +void CreateGCStore::identityChecksum(const Message *message, const unsigned char *buffer, + unsigned int size, int bigEndian) const +{ + // + // This didn't include the drawable + // in previous versions. + // + + md5_append(md5_state_, buffer + 8, 8); +} + +void CreateGCStore::updateIdentity(EncodeBuffer &encodeBuffer, const Message *message, + const Message *cachedMessage, + ChannelCache *channelCache) const +{ + CreateGCMessage *createGC = (CreateGCMessage *) message; + CreateGCMessage *cachedCreateGC = (CreateGCMessage *) cachedMessage; + + ClientCache *clientCache = (ClientCache *) channelCache; + + if (control -> isProtoStep7() == 1) + { + #ifdef TEST + *logofs << name() << ": Encoding value " << createGC -> gcontext + << " as gcontext field.\n" << logofs_flush; + #endif + + encodeBuffer.encodeNewXidValue(createGC -> gcontext, clientCache -> lastId, + clientCache -> lastIdCache, clientCache -> gcCache, + clientCache -> freeGCCache); + + cachedCreateGC -> gcontext = createGC -> gcontext; + } + else + { + #ifdef TEST + *logofs << name() << ": Encoding value " << createGC -> drawable + << " as drawable field.\n" << logofs_flush; + #endif + + encodeBuffer.encodeXidValue(createGC -> drawable, clientCache -> drawableCache); + + cachedCreateGC -> drawable = createGC -> drawable; + + #ifdef TEST + *logofs << name() << ": Encoding value " << createGC -> gcontext + << " as gcontext field.\n" << logofs_flush; + #endif + + encodeBuffer.encodeXidValue(createGC -> gcontext, clientCache -> gcCache); + + cachedCreateGC -> gcontext = createGC -> gcontext; + } +} + +void CreateGCStore::updateIdentity(DecodeBuffer &decodeBuffer, const Message *message, + ChannelCache *channelCache) const +{ + CreateGCMessage *createGC = (CreateGCMessage *) message; + + ClientCache *clientCache = (ClientCache *) channelCache; + + unsigned int value; + + if (control -> isProtoStep7() == 1) + { + decodeBuffer.decodeNewXidValue(value, clientCache -> lastId, + clientCache -> lastIdCache, clientCache -> gcCache, + clientCache -> freeGCCache); + + createGC -> gcontext = value; + + #ifdef TEST + *logofs << name() << ": Decoded value " << createGC -> gcontext + << " as gcontext field.\n" << logofs_flush; + #endif + } + else + { + decodeBuffer.decodeXidValue(value, clientCache -> drawableCache); + + createGC -> drawable = value; + + #ifdef TEST + *logofs << name() << ": Decoded value " << createGC -> drawable + << " as drawable field.\n" << logofs_flush; + #endif + + decodeBuffer.decodeXidValue(value, clientCache -> gcCache); + + createGC -> gcontext = value; + + #ifdef TEST + *logofs << name() << ": Decoded value " << createGC -> gcontext + << " as gcontext field.\n" << logofs_flush; + #endif + } +} -- cgit v1.2.3 From 799bf672a3588f205bd18ef39d9908069e0cd6d5 Mon Sep 17 00:00:00 2001 From: Reinhard Tartler Date: Sun, 13 Nov 2011 09:27:52 +0100 Subject: Imported nxcomp-3.4.0-1.tar.gz Summary: Imported nxcomp-3.4.0-1.tar.gz Keywords: Imported nxcomp-3.4.0-1.tar.gz into Git repository --- nxcomp/CreateGC.cpp | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) mode change 100755 => 100644 nxcomp/CreateGC.cpp (limited to 'nxcomp/CreateGC.cpp') diff --git a/nxcomp/CreateGC.cpp b/nxcomp/CreateGC.cpp old mode 100755 new mode 100644 index 92ad73f6a..ff2adea1a --- a/nxcomp/CreateGC.cpp +++ b/nxcomp/CreateGC.cpp @@ -1,6 +1,6 @@ /**************************************************************************/ /* */ -/* Copyright (c) 2001, 2007 NoMachine, http://www.nomachine.com/. */ +/* Copyright (c) 2001, 2009 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 */ @@ -9,7 +9,7 @@ /* */ /* Check http://www.nomachine.com/licensing.html for applicability. */ /* */ -/* NX and NoMachine are trademarks of NoMachine S.r.l. */ +/* NX and NoMachine are trademarks of Medialogic S.p.A. */ /* */ /* All rights reserved. */ /* */ -- cgit v1.2.3 From 477961678194817aaf1aaf3602f1c91d288a539d Mon Sep 17 00:00:00 2001 From: Reinhard Tartler Date: Sun, 13 Nov 2011 09:27:53 +0100 Subject: Imported nxcomp-3.4.0-6.tar.gz Summary: Imported nxcomp-3.4.0-6.tar.gz Keywords: Imported nxcomp-3.4.0-6.tar.gz into Git repository --- nxcomp/CreateGC.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'nxcomp/CreateGC.cpp') diff --git a/nxcomp/CreateGC.cpp b/nxcomp/CreateGC.cpp index ff2adea1a..f1c10e69b 100644 --- a/nxcomp/CreateGC.cpp +++ b/nxcomp/CreateGC.cpp @@ -1,6 +1,6 @@ /**************************************************************************/ /* */ -/* Copyright (c) 2001, 2009 NoMachine, http://www.nomachine.com/. */ +/* 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 */ -- cgit v1.2.3