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-rw-r--r--nxcomp/GetImageReply.cpp185
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diff --git a/nxcomp/GetImageReply.cpp b/nxcomp/GetImageReply.cpp
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+/**************************************************************************/
+/* */
+/* 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 */
+/* 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 Medialogic S.p.A. */
+/* */
+/* 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);
+}