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, 185 insertions, 0 deletions

diff --git a/nxcomp/GetImageReply.cpp b/nxcomp/GetImageReply.cpp
new file mode 100755
index 000000000..2ebeb1bac
--- /dev/null
+++ b/nxcomp/GetImageReply.cpp
@@ -0,0 +1,185 @@
+/**************************************************************************/
+/*                                                                        */
+/* 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 "GetImageReply.h"
+
+#include "ServerCache.h"
+
+#include "EncodeBuffer.h"
+#include "DecodeBuffer.h"
+
+//
+// Set the verbosity level.
+//
+
+#define PANIC
+#define WARNING
+#undef  TEST
+#undef  DEBUG
+#undef  DUMP
+
+//
+// Constructors and destructors.
+//
+
+GetImageReplyStore::GetImageReplyStore(StaticCompressor *compressor)
+
+  : MessageStore(compressor)
+{
+  enableCache    = GETIMAGEREPLY_ENABLE_CACHE;
+  enableData     = GETIMAGEREPLY_ENABLE_DATA;
+  enableSplit    = GETIMAGEREPLY_ENABLE_SPLIT;
+  enableCompress = GETIMAGEREPLY_ENABLE_COMPRESS;
+
+  if (control -> isProtoStep7() == 1)
+  {
+    enableCompress = GETIMAGEREPLY_ENABLE_COMPRESS_IF_PROTO_STEP_7;
+  }
+
+  dataLimit  = GETIMAGEREPLY_DATA_LIMIT;
+  dataOffset = GETIMAGEREPLY_DATA_OFFSET;
+
+  cacheSlots          = GETIMAGEREPLY_CACHE_SLOTS;
+  cacheThreshold      = GETIMAGEREPLY_CACHE_THRESHOLD;
+  cacheLowerThreshold = GETIMAGEREPLY_CACHE_LOWER_THRESHOLD;
+
+  messages_ -> resize(cacheSlots);
+
+  for (T_messages::iterator i = messages_ -> begin();
+           i < messages_ -> end(); i++)
+  {
+    *i = NULL;
+  }
+
+  temporary_ = NULL;
+}
+
+GetImageReplyStore::~GetImageReplyStore()
+{
+  for (T_messages::iterator i = messages_ -> begin();
+           i < messages_ -> end(); i++)
+  {
+    destroy(*i);
+  }
+
+  destroy(temporary_);
+}
+
+//
+// Here are the methods to handle messages' content.
+//
+
+int GetImageReplyStore::parseIdentity(Message *message, const unsigned char *buffer,
+                                          unsigned int size, int bigEndian) const
+{
+  GetImageReplyMessage *getImageReply = (GetImageReplyMessage *) message;
+
+  //
+  // Here is the fingerprint.
+  //
+
+  getImageReply -> depth = *(buffer + 1);
+
+  getImageReply -> visual = GetULONG(buffer + 8, bigEndian);
+
+  #ifdef DEBUG
+  *logofs << name() << ": Parsed identity for message at "
+          << message << ".\n" << logofs_flush;
+  #endif
+
+  return 1;
+}
+
+int GetImageReplyStore::unparseIdentity(const Message *message, unsigned char *buffer,
+                                            unsigned int size, int bigEndian) const
+{
+  GetImageReplyMessage *getImageReply = (GetImageReplyMessage *) message;
+
+  //
+  // Fill all the message's fields.
+  //
+
+  *(buffer + 1) = getImageReply -> depth;
+
+  PutULONG(getImageReply -> visual, buffer + 8, bigEndian);
+
+  #ifdef DEBUG
+  *logofs << name() << ": Unparsed identity for message at "
+          << message << ".\n" << logofs_flush;
+  #endif
+
+  return 1;
+}
+
+void GetImageReplyStore::dumpIdentity(const Message *message) const
+{
+  #ifdef DUMP
+
+  GetImageReplyMessage *getImageReply = (GetImageReplyMessage *) message;
+
+  *logofs << name() << ": Identity depth " << (unsigned) getImageReply -> depth
+          << ",  visual " << getImageReply -> visual << ", size "
+          << getImageReply -> size_ << ".\n";
+
+  #endif
+}
+
+void GetImageReplyStore::identityChecksum(const Message *message, const unsigned char *buffer,
+                                              unsigned int size, int bigEndian) const
+{
+  //
+  // Field depth.
+  //
+
+  md5_append(md5_state_, buffer + 1,  1);
+}
+
+void GetImageReplyStore::updateIdentity(EncodeBuffer &encodeBuffer, const Message *message,
+                                            const Message *cachedMessage,
+                                                ChannelCache *channelCache) const
+{
+  //
+  // Encode the variant part.
+  //
+
+  GetImageReplyMessage *getImageReply = (GetImageReplyMessage *) message;
+
+  ServerCache *serverCache = (ServerCache *) channelCache;
+
+  #ifdef TEST
+  *logofs << name() << ": Encoding value " << getImageReply -> visual
+          << " as visual field.\n" << logofs_flush;
+  #endif
+
+  encodeBuffer.encodeCachedValue(getImageReply -> visual, 29, 
+                     serverCache -> visualCache);
+}
+
+void GetImageReplyStore::updateIdentity(DecodeBuffer &decodeBuffer, const Message *message,
+                                            ChannelCache *channelCache) const
+{
+  //
+  // Decode the variant part.
+  //
+
+  GetImageReplyMessage *getImageReply = (GetImageReplyMessage *) message;
+
+  ServerCache *serverCache = (ServerCache *) channelCache;
+
+  decodeBuffer.decodeCachedValue(getImageReply -> visual, 29, 
+                     serverCache -> visualCache);
+}