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, 293 insertions, 0 deletions

diff --git a/nxcomp/SetUnpackGeometry.cpp b/nxcomp/SetUnpackGeometry.cpp
new file mode 100755
index 000000000..a85b2bc31
--- /dev/null
+++ b/nxcomp/SetUnpackGeometry.cpp
@@ -0,0 +1,293 @@
+/**************************************************************************/
+/*                                                                        */
+/* 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 "SetUnpackGeometry.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.
+//
+
+SetUnpackGeometryStore::SetUnpackGeometryStore(StaticCompressor *compressor)
+
+  : MessageStore(compressor)
+{
+  enableCache    = SETUNPACKGEOMETRY_ENABLE_CACHE;
+  enableData     = SETUNPACKGEOMETRY_ENABLE_DATA;
+  enableSplit    = SETUNPACKGEOMETRY_ENABLE_SPLIT;
+  enableCompress = SETUNPACKGEOMETRY_ENABLE_COMPRESS;
+
+  dataLimit  = SETUNPACKGEOMETRY_DATA_LIMIT;
+  dataOffset = SETUNPACKGEOMETRY_DATA_OFFSET;
+
+  cacheSlots          = SETUNPACKGEOMETRY_CACHE_SLOTS;
+  cacheThreshold      = SETUNPACKGEOMETRY_CACHE_THRESHOLD;
+  cacheLowerThreshold = SETUNPACKGEOMETRY_CACHE_LOWER_THRESHOLD;
+
+  messages_ -> resize(cacheSlots);
+
+  for (T_messages::iterator i = messages_ -> begin();
+           i < messages_ -> end(); i++)
+  {
+    *i = NULL;
+  }
+
+  temporary_ = NULL;
+}
+
+SetUnpackGeometryStore::~SetUnpackGeometryStore()
+{
+  for (T_messages::iterator i = messages_ -> begin();
+           i < messages_ -> end(); i++)
+  {
+    destroy(*i);
+  }
+
+  destroy(temporary_);
+}
+
+//
+// Here are the methods to handle messages' content.
+//
+
+int SetUnpackGeometryStore::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
+
+  encodeBuffer.encodeCachedValue(*(buffer + 1), 8,
+                     clientCache -> resourceCache);
+
+  const unsigned char *nextChar = buffer + 4;
+
+  for (int i = 0; i < 6; i++)
+  {
+    encodeBuffer.encodeCachedValue(*nextChar++, 8,
+                       clientCache -> depthCache);
+  }
+
+  encodeBuffer.encodeValue(GetULONG(buffer + 12, bigEndian), 32);
+  encodeBuffer.encodeValue(GetULONG(buffer + 16, bigEndian), 32);
+  encodeBuffer.encodeValue(GetULONG(buffer + 20, bigEndian), 32);
+
+  #ifdef DEBUG
+  *logofs << name() << ": Encoded full message identity.\n" << logofs_flush;
+  #endif
+
+  return 1;
+}
+
+int SetUnpackGeometryStore::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
+
+  size   = 24;
+  buffer = writeBuffer -> addMessage(size);
+
+  unsigned char cValue;
+
+  decodeBuffer.decodeCachedValue(cValue, 8,
+                     clientCache -> resourceCache);
+  *(buffer + 1) = cValue;
+
+  decodeBuffer.decodeCachedValue(cValue, 8,
+                     clientCache -> depthCache);
+  *(buffer + 4) = cValue;
+
+  decodeBuffer.decodeCachedValue(cValue, 8,
+                     clientCache -> depthCache);
+  *(buffer + 5) = cValue;
+
+  decodeBuffer.decodeCachedValue(cValue, 8,
+                     clientCache -> depthCache);
+  *(buffer + 6) = cValue;
+
+  decodeBuffer.decodeCachedValue(cValue, 8,
+                     clientCache -> depthCache);
+  *(buffer + 7) = cValue;
+
+  decodeBuffer.decodeCachedValue(cValue, 8,
+                     clientCache -> depthCache);
+  *(buffer + 8) = cValue;
+
+  decodeBuffer.decodeCachedValue(cValue, 8,
+                     clientCache -> depthCache);
+  *(buffer + 9) = cValue;
+
+  unsigned int value;
+
+  decodeBuffer.decodeValue(value, 32);
+  PutULONG(value, buffer + 12, bigEndian);
+
+  decodeBuffer.decodeValue(value, 32);
+  PutULONG(value, buffer + 16, bigEndian);
+
+  decodeBuffer.decodeValue(value, 32);
+  PutULONG(value, buffer + 20, bigEndian);
+
+  #ifdef DEBUG
+  *logofs << name() << ": Decoded full message identity.\n" << logofs_flush;
+  #endif
+
+  return 1;
+}
+
+int SetUnpackGeometryStore::parseIdentity(Message *message, const unsigned char *buffer,
+                                           unsigned int size, int bigEndian) const
+{
+  SetUnpackGeometryMessage *setUnpackGeometry = (SetUnpackGeometryMessage *) message;
+
+  setUnpackGeometry -> client = *(buffer + 1);
+
+  setUnpackGeometry -> depth_1_bpp  = *(buffer + 4);
+  setUnpackGeometry -> depth_4_bpp  = *(buffer + 5);
+  setUnpackGeometry -> depth_8_bpp  = *(buffer + 6);
+  setUnpackGeometry -> depth_16_bpp = *(buffer + 7);
+  setUnpackGeometry -> depth_24_bpp = *(buffer + 8);
+  setUnpackGeometry -> depth_32_bpp = *(buffer + 9);
+
+  setUnpackGeometry -> red_mask   = GetULONG(buffer + 12, bigEndian);
+  setUnpackGeometry -> green_mask = GetULONG(buffer + 16, bigEndian);
+  setUnpackGeometry -> blue_mask  = GetULONG(buffer + 20, bigEndian);
+
+  #ifdef DEBUG
+  *logofs << name() << ": Parsed identity for message at " << message << ".\n" << logofs_flush;
+  #endif
+
+  return 1;
+}
+
+int SetUnpackGeometryStore::unparseIdentity(const Message *message, unsigned char *buffer,
+                                             unsigned int size, int bigEndian) const
+{
+  SetUnpackGeometryMessage *setUnpackGeometry = (SetUnpackGeometryMessage *) message;
+
+  *(buffer + 1) = setUnpackGeometry -> client;
+
+  *(buffer + 4) = setUnpackGeometry -> depth_1_bpp;
+  *(buffer + 5) = setUnpackGeometry -> depth_4_bpp;
+  *(buffer + 6) = setUnpackGeometry -> depth_8_bpp;
+  *(buffer + 7) = setUnpackGeometry -> depth_16_bpp;
+  *(buffer + 8) = setUnpackGeometry -> depth_24_bpp;
+  *(buffer + 9) = setUnpackGeometry -> depth_32_bpp;
+
+  PutULONG(setUnpackGeometry -> red_mask,   buffer + 12, bigEndian);
+  PutULONG(setUnpackGeometry -> green_mask, buffer + 16, bigEndian);
+  PutULONG(setUnpackGeometry -> blue_mask,  buffer + 20, bigEndian);
+
+  #ifdef DEBUG
+  *logofs << name() << ": Unparsed identity for message at " << message << ".\n" << logofs_flush;
+  #endif
+
+  return 1;
+}
+
+void SetUnpackGeometryStore::dumpIdentity(const Message *message) const
+{
+  #ifdef DUMP
+
+  SetUnpackGeometryMessage *setUnpackGeometry = (SetUnpackGeometryMessage *) message;
+
+  *logofs << name() << ": Identity client "
+          << (unsigned) setUnpackGeometry -> client << " depth_1_bpp "
+          << (unsigned) setUnpackGeometry -> depth_1_bpp << " depth_4_bpp "
+          << (unsigned int) setUnpackGeometry -> depth_4_bpp << " depth_8_bpp "
+          << (unsigned int) setUnpackGeometry -> depth_8_bpp << " depth_16_bpp "
+          << (unsigned int) setUnpackGeometry -> depth_16_bpp << " depth_24_bpp "
+          << (unsigned int) setUnpackGeometry -> depth_24_bpp << " depth_32_bpp "
+          << (unsigned int) setUnpackGeometry -> depth_32_bpp
+
+          << " red_mask " << setUnpackGeometry -> red_mask
+          << " green_mask " << setUnpackGeometry -> green_mask
+          << " blue_mask " << setUnpackGeometry -> blue_mask
+
+          << " size " << setUnpackGeometry -> size_ << ".\n";
+
+  #endif
+}
+
+void SetUnpackGeometryStore::identityChecksum(const Message *message, const unsigned char *buffer,
+                                               unsigned int size, int bigEndian) const
+{
+  md5_append(md5_state_, buffer + 4,  6);
+  md5_append(md5_state_, buffer + 12, 12);
+}
+
+void SetUnpackGeometryStore::updateIdentity(EncodeBuffer &encodeBuffer, const Message *message,
+                                             const Message *cachedMessage,
+                                                 ChannelCache *channelCache) const
+{
+  SetUnpackGeometryMessage *setUnpackGeometry       = (SetUnpackGeometryMessage *) message;
+  SetUnpackGeometryMessage *cachedSetUnpackGeometry = (SetUnpackGeometryMessage *) cachedMessage;
+
+  ClientCache *clientCache = (ClientCache *) channelCache;
+
+  #ifdef TEST
+  *logofs << name() << ": Encoding value "
+          << (unsigned int) setUnpackGeometry -> client
+          << " as client field.\n" << logofs_flush;
+  #endif
+
+  encodeBuffer.encodeCachedValue(setUnpackGeometry -> client, 8,
+                     clientCache -> resourceCache);
+
+  cachedSetUnpackGeometry -> client = setUnpackGeometry -> client;
+}
+
+void SetUnpackGeometryStore::updateIdentity(DecodeBuffer &decodeBuffer, const Message *message,
+                                             ChannelCache *channelCache) const
+{
+  SetUnpackGeometryMessage *setUnpackGeometry = (SetUnpackGeometryMessage *) message;
+
+  ClientCache *clientCache = (ClientCache *) channelCache;
+
+  decodeBuffer.decodeCachedValue(setUnpackGeometry -> client, 8,
+                     clientCache -> resourceCache);
+
+  #ifdef DEBUG
+  *logofs << name() << ": Decoded value "
+          << (unsigned int) setUnpackGeometry -> client
+          << " as client field.\n" << logofs_flush;
+  #endif
+}