Imported nxcomp-3.1.0-4.tar.gznxcomp/3.1.0-4

Summary: Imported nxcomp-3.1.0-4.tar.gz
Keywords:

Imported nxcomp-3.1.0-4.tar.gz
into Git repository

1 files changed, 262 insertions, 0 deletions

diff --git a/nxcomp/SetUnpackColormapCompat.cpp b/nxcomp/SetUnpackColormapCompat.cpp
new file mode 100755
index 000000000..9dae9e776
--- /dev/null
+++ b/nxcomp/SetUnpackColormapCompat.cpp
@@ -0,0 +1,262 @@
+/**************************************************************************/
+/*                                                                        */
+/* 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 "SetUnpackColormapCompat.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
+#undef  DUMP
+
+//
+// Constructors and destructors.
+//
+
+SetUnpackColormapCompatStore::SetUnpackColormapCompatStore(StaticCompressor *compressor)
+
+  : MessageStore(compressor)
+{
+  enableCache    = SETUNPACKCOLORMAP_ENABLE_CACHE;
+  enableData     = SETUNPACKCOLORMAP_ENABLE_DATA;
+  enableSplit    = SETUNPACKCOLORMAP_ENABLE_SPLIT;
+  enableCompress = SETUNPACKCOLORMAP_ENABLE_COMPRESS;
+
+  dataLimit  = SETUNPACKCOLORMAP_DATA_LIMIT;
+  dataOffset = SETUNPACKCOLORMAP_DATA_OFFSET;
+
+  cacheSlots          = SETUNPACKCOLORMAP_CACHE_SLOTS;
+  cacheThreshold      = SETUNPACKCOLORMAP_CACHE_THRESHOLD;
+  cacheLowerThreshold = SETUNPACKCOLORMAP_CACHE_LOWER_THRESHOLD;
+
+  messages_ -> resize(cacheSlots);
+
+  for (T_messages::iterator i = messages_ -> begin();
+           i < messages_ -> end(); i++)
+  {
+    *i = NULL;
+  }
+
+  temporary_ = NULL;
+}
+
+SetUnpackColormapCompatStore::~SetUnpackColormapCompatStore()
+{
+  for (T_messages::iterator i = messages_ -> begin();
+           i < messages_ -> end(); i++)
+  {
+    destroy(*i);
+  }
+
+  destroy(temporary_);
+}
+
+//
+// Here are the methods to handle messages' content.
+//
+
+int SetUnpackColormapCompatStore::encodeIdentity(EncodeBuffer &encodeBuffer, const unsigned char *buffer,
+                                                     const unsigned int size, int bigEndian,
+                                                         ChannelCache *channelCache) const
+{
+  ClientCache *clientCache = (ClientCache *) channelCache;
+
+  #ifdef DEBUG
+  *logofs << name() << ": Encoding full message identity.\n" << logofs_flush;
+  #endif
+
+  // Client.
+  encodeBuffer.encodeCachedValue(*(buffer + 1), 8,
+                     clientCache -> resourceCache);
+  // Entries.
+  encodeBuffer.encodeValue(GetULONG(buffer + 4, bigEndian), 32, 9);
+
+  #ifdef DEBUG
+  *logofs << name() << ": Encoded full message identity.\n" << logofs_flush;
+  #endif
+
+  return 1;
+}
+
+int SetUnpackColormapCompatStore::decodeIdentity(DecodeBuffer &decodeBuffer, unsigned char *&buffer,
+                                                     unsigned int &size, int bigEndian, WriteBuffer *writeBuffer,
+                                                         ChannelCache *channelCache) const
+{
+  ClientCache *clientCache = (ClientCache *) channelCache;
+
+  #ifdef DEBUG
+  *logofs << name() << ": Decoding full message identity.\n" << logofs_flush;
+  #endif
+
+  unsigned int  value;
+  unsigned char cValue;
+
+  // Client.
+  decodeBuffer.decodeCachedValue(cValue, 8,
+                     clientCache -> resourceCache);
+  // Entries.
+  decodeBuffer.decodeValue(value, 32, 9);
+
+  size = (value << 2) + 8;
+
+  buffer = writeBuffer -> addMessage(size);
+
+  *(buffer + 1) = cValue;
+
+  PutULONG(value, buffer + 4, bigEndian);
+
+  #ifdef DEBUG
+  *logofs << name() << ": Decoded full message identity.\n" << logofs_flush;
+  #endif
+
+  return 1;
+}
+
+int SetUnpackColormapCompatStore::parseIdentity(Message *message, const unsigned char *buffer,
+                                                    unsigned int size, int bigEndian) const
+{
+  SetUnpackColormapCompatMessage *setUnpackColormap = (SetUnpackColormapCompatMessage *) message;
+
+  setUnpackColormap -> client = *(buffer + 1);
+
+  setUnpackColormap -> entries = GetULONG(buffer + 4, bigEndian);
+
+  #ifdef DEBUG
+  *logofs << name() << ": Parsed identity for message at " << message << ".\n" << logofs_flush;
+  #endif
+
+  return 1;
+}
+
+int SetUnpackColormapCompatStore::unparseIdentity(const Message *message, unsigned char *buffer,
+                                                      unsigned int size, int bigEndian) const
+{
+  SetUnpackColormapCompatMessage *setUnpackColormap = (SetUnpackColormapCompatMessage *) message;
+
+  *(buffer + 1) = setUnpackColormap -> client;
+
+  PutULONG(setUnpackColormap -> entries, buffer + 4, bigEndian);
+
+  #ifdef DEBUG
+  *logofs << name() << ": Unparsed identity for message at " << message << ".\n" << logofs_flush;
+  #endif
+
+  return 1;
+}
+
+void SetUnpackColormapCompatStore::dumpIdentity(const Message *message) const
+{
+  #ifdef DUMP
+
+  SetUnpackColormapCompatMessage *setUnpackColormap = (SetUnpackColormapCompatMessage *) message;
+
+  *logofs << name() << ": Identity client "
+          << (unsigned int) setUnpackColormap -> client << " entries "
+          << setUnpackColormap -> entries << " size "
+          << setUnpackColormap -> size_ << ".\n";
+
+  #endif
+}
+
+void SetUnpackColormapCompatStore::identityChecksum(const Message *message, const unsigned char *buffer,
+                                                        unsigned int size, int bigEndian) const
+{
+  md5_append(md5_state_, buffer + 4, 4);
+}
+
+void SetUnpackColormapCompatStore::updateIdentity(EncodeBuffer &encodeBuffer, const Message *message,
+                                                      const Message *cachedMessage,
+                                                          ChannelCache *channelCache) const
+{
+  SetUnpackColormapCompatMessage *setUnpackColormap       = (SetUnpackColormapCompatMessage *) message;
+  SetUnpackColormapCompatMessage *cachedSetUnpackColormap = (SetUnpackColormapCompatMessage *) cachedMessage;
+
+  ClientCache *clientCache = (ClientCache *) channelCache;
+
+  #ifdef TEST
+  *logofs << name() << ": Encoding value "
+          << (unsigned int) setUnpackColormap -> client
+          << " as client field.\n" << logofs_flush;
+  #endif
+
+  encodeBuffer.encodeCachedValue(setUnpackColormap -> client, 8,
+                     clientCache -> resourceCache);
+
+  cachedSetUnpackColormap -> client = setUnpackColormap -> client;
+
+  if (cachedSetUnpackColormap -> entries != setUnpackColormap -> entries)
+  {
+    #ifdef TEST
+    *logofs << name() << ": Encoding value " << setUnpackColormap -> entries
+            << " as entries field.\n" << logofs_flush;
+    #endif
+
+    encodeBuffer.encodeBoolValue(1);
+
+    encodeBuffer.encodeValue(setUnpackColormap -> entries, 32, 9);
+
+    cachedSetUnpackColormap -> entries = setUnpackColormap -> entries;
+  }
+  else
+  {
+    encodeBuffer.encodeBoolValue(0);
+  }
+}
+
+void SetUnpackColormapCompatStore::updateIdentity(DecodeBuffer &decodeBuffer, const Message *message,
+                                                      ChannelCache *channelCache) const
+{
+  SetUnpackColormapCompatMessage *setUnpackColormap = (SetUnpackColormapCompatMessage *) message;
+
+  ClientCache *clientCache = (ClientCache *) channelCache;
+
+  unsigned int value;
+
+  decodeBuffer.decodeCachedValue(setUnpackColormap -> client, 8,
+                     clientCache -> resourceCache);
+
+  #ifdef DEBUG
+  *logofs << name() << ": Decoded value "
+          << (unsigned int) setUnpackColormap -> client
+          << " as client field.\n" << logofs_flush;
+  #endif
+
+  decodeBuffer.decodeBoolValue(value);
+
+  if (value)
+  {
+    decodeBuffer.decodeValue(value, 32, 9);
+
+    setUnpackColormap -> entries = value;
+
+    #ifdef DEBUG
+    *logofs << name() << ": Decoded value " << setUnpackColormap -> entries
+            << " as entries field.\n" << logofs_flush;
+    #endif
+  }
+}