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-rw-r--r--nxcomp/src/CreatePixmap.cpp280
1 files changed, 280 insertions, 0 deletions
diff --git a/nxcomp/src/CreatePixmap.cpp b/nxcomp/src/CreatePixmap.cpp
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+++ b/nxcomp/src/CreatePixmap.cpp
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+/**************************************************************************/
+/* */
+/* 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 "CreatePixmap.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
+
+//
+// Constructors and destructors.
+//
+
+CreatePixmapStore::CreatePixmapStore()
+
+ : MessageStore()
+{
+ enableCache = CREATEPIXMAP_ENABLE_CACHE;
+ enableData = CREATEPIXMAP_ENABLE_DATA;
+ enableSplit = CREATEPIXMAP_ENABLE_SPLIT;
+ enableCompress = CREATEPIXMAP_ENABLE_COMPRESS;
+
+ dataLimit = CREATEPIXMAP_DATA_LIMIT;
+ dataOffset = CREATEPIXMAP_DATA_OFFSET;
+
+ cacheSlots = CREATEPIXMAP_CACHE_SLOTS;
+ cacheThreshold = CREATEPIXMAP_CACHE_THRESHOLD;
+ cacheLowerThreshold = CREATEPIXMAP_CACHE_LOWER_THRESHOLD;
+
+ messages_ -> resize(cacheSlots);
+
+ for (T_messages::iterator i = messages_ -> begin();
+ i < messages_ -> end(); i++)
+ {
+ *i = NULL;
+ }
+
+ temporary_ = NULL;
+}
+
+CreatePixmapStore::~CreatePixmapStore()
+{
+ for (T_messages::iterator i = messages_ -> begin();
+ i < messages_ -> end(); i++)
+ {
+ destroy(*i);
+ }
+
+ destroy(temporary_);
+}
+
+//
+// Here are the methods to handle messages' content.
+//
+
+int CreatePixmapStore::encodeIdentity(EncodeBuffer &encodeBuffer, const unsigned char *buffer,
+ const unsigned int size, int bigEndian,
+ ChannelCache *channelCache) const
+{
+ ClientCache *clientCache = (ClientCache *) channelCache;
+
+ encodeBuffer.encodeCachedValue(*(buffer + 1), 8,
+ clientCache -> depthCache);
+
+ encodeBuffer.encodeNewXidValue(GetULONG(buffer + 4, bigEndian),
+ clientCache -> lastId, clientCache -> lastIdCache,
+ clientCache -> drawableCache,
+ clientCache -> freeDrawableCache);
+
+ encodeBuffer.encodeXidValue(GetULONG(buffer + 8, bigEndian),
+ clientCache -> windowCache);
+
+ encodeBuffer.encodeCachedValue(GetUINT(buffer + 12, bigEndian), 16,
+ clientCache -> createPixmapXCache, 8);
+
+ encodeBuffer.encodeCachedValue(GetUINT(buffer + 14, bigEndian), 16,
+ clientCache -> createPixmapYCache, 8);
+
+ #ifdef TEST
+ *logofs << name() << ": Encoded message. Size is "
+ << size << ".\n" << logofs_flush;
+ #endif
+
+ return 1;
+}
+
+int CreatePixmapStore::decodeIdentity(DecodeBuffer &decodeBuffer, unsigned char *&buffer,
+ unsigned int &size, int bigEndian, WriteBuffer *writeBuffer,
+ ChannelCache *channelCache) const
+{
+ ClientCache *clientCache = (ClientCache *) channelCache;
+
+ unsigned char cValue;
+ unsigned int value;
+
+ size = 16;
+
+ buffer = writeBuffer -> addMessage(size);
+
+ decodeBuffer.decodeCachedValue(cValue, 8,
+ clientCache -> depthCache);
+
+ *(buffer + 1) = cValue;
+
+ decodeBuffer.decodeNewXidValue(value,
+ clientCache -> lastId, clientCache -> lastIdCache,
+ clientCache -> drawableCache,
+ clientCache -> freeDrawableCache);
+
+ PutULONG(value, buffer + 4, bigEndian);
+
+ decodeBuffer.decodeXidValue(value,
+ clientCache -> windowCache);
+
+ PutULONG(value, buffer + 8, bigEndian);
+
+ decodeBuffer.decodeCachedValue(value, 16,
+ clientCache -> createPixmapXCache, 8);
+
+ PutUINT(value, buffer + 12, bigEndian);
+
+ decodeBuffer.decodeCachedValue(value, 16,
+ clientCache -> createPixmapYCache, 8);
+
+ PutUINT(value, buffer + 14, bigEndian);
+
+ #ifdef TEST
+ *logofs << name() << ": Decoded message. Size is "
+ << size << ".\n" << logofs_flush;
+ #endif
+
+ return 1;
+}
+
+int CreatePixmapStore::parseIdentity(Message *message, const unsigned char *buffer,
+ unsigned int size, int bigEndian) const
+{
+ CreatePixmapMessage *createPixmap = (CreatePixmapMessage *) message;
+
+ createPixmap -> depth = *(buffer + 1);
+
+ createPixmap -> id = GetULONG(buffer + 4, bigEndian);
+ createPixmap -> drawable = GetULONG(buffer + 8, bigEndian);
+
+ createPixmap -> width = GetUINT(buffer + 12, bigEndian);
+ createPixmap -> height = GetUINT(buffer + 14, bigEndian);
+
+ #ifdef TEST
+ *logofs << name() << ": Parsed identity. Size is "
+ << createPixmap -> size_ << " identity is "
+ << createPixmap -> i_size_ << ".\n"
+ << logofs_flush;
+ #endif
+
+ return 1;
+}
+
+int CreatePixmapStore::unparseIdentity(const Message *message, unsigned char *buffer,
+ unsigned int size, int bigEndian) const
+{
+ CreatePixmapMessage *createPixmap = (CreatePixmapMessage *) message;
+
+ *(buffer + 1) = createPixmap -> depth;
+
+ PutULONG(createPixmap -> id, buffer + 4, bigEndian);
+ PutULONG(createPixmap -> drawable, buffer + 8, bigEndian);
+
+ PutUINT(createPixmap -> width, buffer + 12, bigEndian);
+ PutUINT(createPixmap -> height, buffer + 14, bigEndian);
+
+ #ifdef TEST
+ *logofs << name() << ": Unparsed identity. Size is "
+ << createPixmap -> size_ << " identity is "
+ << createPixmap -> i_size_ << ".\n"
+ << logofs_flush;
+ #endif
+
+ return 1;
+}
+
+void CreatePixmapStore::dumpIdentity(const Message *message) const
+{
+ #ifdef DUMP
+
+ #ifdef WARNING
+ *logofs << name() << ": WARNING! Dump of identity not implemented.\n"
+ << logofs_flush;
+ #endif
+
+ #endif
+}
+
+void CreatePixmapStore::identityChecksum(const Message *message, const unsigned char *buffer,
+ unsigned int size, int bigEndian) const
+{
+ md5_append(md5_state_, buffer + 1, 1);
+ md5_append(md5_state_, buffer + 8, 8);
+}
+
+void CreatePixmapStore::updateIdentity(EncodeBuffer &encodeBuffer, const Message *message,
+ const Message *cachedMessage,
+ ChannelCache *channelCache) const
+{
+ CreatePixmapMessage *createPixmap = (CreatePixmapMessage *) message;
+ CreatePixmapMessage *cachedCreatePixmap = (CreatePixmapMessage *) cachedMessage;
+
+ ClientCache *clientCache = (ClientCache *) channelCache;
+
+ encodeBuffer.encodeNewXidValue(createPixmap -> id,
+ clientCache -> lastId, clientCache -> lastIdCache,
+ clientCache -> drawableCache,
+ clientCache -> freeDrawableCache);
+
+ cachedCreatePixmap -> id = createPixmap -> id;
+
+ #ifdef TEST
+ *logofs << name() << ": Encoded update. Size is "
+ << createPixmap -> size_ << " identity is "
+ << createPixmap -> i_size_ << ".\n"
+ << logofs_flush;
+ #endif
+}
+
+void CreatePixmapStore::updateIdentity(DecodeBuffer &decodeBuffer, const Message *message,
+ ChannelCache *channelCache) const
+{
+ CreatePixmapMessage *createPixmap = (CreatePixmapMessage *) message;
+
+ ClientCache *clientCache = (ClientCache *) channelCache;
+
+ decodeBuffer.decodeNewXidValue(createPixmap -> id,
+ clientCache -> lastId, clientCache -> lastIdCache,
+ clientCache -> drawableCache,
+ clientCache -> freeDrawableCache);
+
+ #ifdef TEST
+ *logofs << name() << ": Decoded update. Size is "
+ << createPixmap -> size_ << " identity is "
+ << createPixmap -> i_size_ << ".\n"
+ << logofs_flush;
+ #endif
+}
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