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/**************************************************************************/
/* */
/* 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 the template for
// this message class.
//
#include "RenderPictureFilter.h"
//
// Set the verbosity level.
//
#define PANIC
#define WARNING
#undef TEST
#undef DEBUG
#include MESSAGE_TAGS
//
// Message handling methods.
//
MESSAGE_BEGIN_ENCODE_SIZE
{
ClientCache *clientCache = (ClientCache *) channelCache;
#ifdef DEBUG
*logofs << name() << ": Encoding value "
<< ((size - MESSAGE_OFFSET) >> 2) << ".\n"
<< logofs_flush;
#endif
encodeBuffer.encodeCachedValue((size - MESSAGE_OFFSET) >> 2, 16,
clientCache -> renderLengthCache, 5);
#ifdef TEST
*logofs << name() << ": Encoded size with value "
<< size << ".\n" << logofs_flush;
#endif
}
MESSAGE_END_ENCODE_SIZE
MESSAGE_BEGIN_DECODE_SIZE
{
ClientCache *clientCache = (ClientCache *) channelCache;
decodeBuffer.decodeCachedValue(size, 16,
clientCache -> renderLengthCache, 5);
#ifdef DEBUG
*logofs << name() << ": Decoded value " << size
<< ".\n" << logofs_flush;
#endif
size = MESSAGE_OFFSET + (size << 2);
buffer = writeBuffer -> addMessage(size);
#ifdef TEST
*logofs << name() << ": Decoded size with value "
<< size << ".\n" << logofs_flush;
#endif
}
MESSAGE_END_DECODE_SIZE
MESSAGE_BEGIN_ENCODE_MESSAGE
{
ClientCache *clientCache = (ClientCache *) channelCache;
encodeBuffer.encodeXidValue(GetULONG(buffer + 4, bigEndian),
clientCache -> renderSrcPictureCache);
encodeBuffer.encodeCachedValue(GetUINT(buffer + 8, bigEndian), 16,
clientCache -> renderLengthCache, 5);
#ifdef TEST
*logofs << name() << ": Encoded message. Type is "
<< (unsigned int) *(buffer + 1) << " size is "
<< size << ".\n" << logofs_flush;
#endif
}
MESSAGE_END_ENCODE_MESSAGE
MESSAGE_BEGIN_DECODE_MESSAGE
{
ClientCache *clientCache = (ClientCache *) channelCache;
unsigned int value;
*(buffer + 1) = type;
decodeBuffer.decodeXidValue(value,
clientCache -> renderSrcPictureCache);
PutULONG(value, buffer + 4, bigEndian);
decodeBuffer.decodeCachedValue(value, 16,
clientCache -> renderLengthCache, 5);
PutUINT(value, buffer + 8, bigEndian);
#ifdef TEST
*logofs << name() << ": Decoded message. Type is "
<< (unsigned int) type << " size is " << size
<< ".\n" << logofs_flush;
#endif
}
MESSAGE_END_DECODE_MESSAGE
MESSAGE_BEGIN_ENCODE_DATA
{
encodeCharData(encodeBuffer, buffer, MESSAGE_OFFSET,
size, bigEndian, channelCache);
#ifdef TEST
*logofs << name() << ": Encoded " << size - MESSAGE_OFFSET
<< " bytes of data.\n" << logofs_flush;
#endif
}
MESSAGE_END_ENCODE_DATA
MESSAGE_BEGIN_DECODE_DATA
{
decodeCharData(decodeBuffer, buffer, MESSAGE_OFFSET,
size, bigEndian, channelCache);
#ifdef TEST
*logofs << name() << ": Decoded " << size - MESSAGE_OFFSET
<< " bytes of data.\n" << logofs_flush;
#endif
}
MESSAGE_END_DECODE_DATA
MESSAGE_BEGIN_PARSE_IDENTITY
{
RenderExtensionMessage *renderExtension = (RenderExtensionMessage *) message;
renderExtension -> data.picture_filter.type = *(buffer + 1);
renderExtension -> data.picture_filter.src_id = GetULONG(buffer + 4, bigEndian);
renderExtension -> data.picture_filter.num_elm = GetUINT(buffer + 8, bigEndian);
//
// Clean the padding bytes. This
// should be the purpose of the
// filter.
//
#ifdef TEST
*logofs << name() << ": Cleaning "
<< RoundUp4(renderExtension -> data.picture_filter.num_elm) -
renderExtension -> data.picture_filter.num_elm << " bytes "
<< "at offset " << MESSAGE_OFFSET + renderExtension ->
data.picture_filter.num_elm << " with " << renderExtension ->
data.picture_filter.num_elm << " elements and size "
<< renderExtension -> size_ << ".\n" << logofs_flush;
#endif
if (size >= MESSAGE_OFFSET + renderExtension ->
data.picture_filter.num_elm)
{
unsigned char *next = (unsigned char *) buffer +
MESSAGE_OFFSET + renderExtension ->
data.picture_filter.num_elm;
while (next < buffer + size)
{
*next++ = '\0';
}
}
#ifdef TEST
*logofs << name() << ": Parsed identity. Type is "
<< (unsigned int) renderExtension -> data.picture_filter.type
<< " size is " << renderExtension -> size_ << ".\n"
<< logofs_flush;
#endif
}
MESSAGE_END_PARSE_IDENTITY
MESSAGE_BEGIN_UNPARSE_IDENTITY
{
RenderExtensionMessage *renderExtension = (RenderExtensionMessage *) message;
*(buffer + 1) = renderExtension -> data.picture_filter.type;
PutULONG(renderExtension -> data.picture_filter.src_id, buffer + 4, bigEndian);
PutUINT(renderExtension -> data.picture_filter.num_elm, buffer + 8, bigEndian);
#ifdef TEST
*logofs << name() << ": Unparsed identity. Type is "
<< (unsigned int) renderExtension -> data.picture_filter.type
<< " size is " << renderExtension -> size_ << ".\n"
<< logofs_flush;
#endif
}
MESSAGE_END_UNPARSE_IDENTITY
MESSAGE_BEGIN_IDENTITY_CHECKSUM
{
//
// Include the length of the filter name
// in the checksum.
//
md5_append(md5_state, buffer + 1, 3);
md5_append(md5_state, buffer + 8, 2);
}
MESSAGE_END_IDENTITY_CHECKSUM
MESSAGE_BEGIN_ENCODE_UPDATE
{
RenderExtensionMessage *renderExtension = (RenderExtensionMessage *) message;
RenderExtensionMessage *cachedRenderExtension = (RenderExtensionMessage *) cachedMessage;
ClientCache *clientCache = (ClientCache *) channelCache;
encodeBuffer.encodeXidValue(renderExtension -> data.picture_filter.src_id,
clientCache -> renderSrcPictureCache);
cachedRenderExtension -> data.picture_filter.src_id =
renderExtension -> data.picture_filter.src_id;
#ifdef TEST
*logofs << name() << ": Encoded update. Type is "
<< (unsigned int) renderExtension -> data.picture_filter.type
<< " size is " << renderExtension -> size_ << ".\n"
<< logofs_flush;
#endif
}
MESSAGE_END_ENCODE_UPDATE
MESSAGE_BEGIN_DECODE_UPDATE
{
RenderExtensionMessage *renderExtension = (RenderExtensionMessage *) message;
ClientCache *clientCache = (ClientCache *) channelCache;
decodeBuffer.decodeXidValue(renderExtension -> data.picture_filter.src_id,
clientCache -> renderSrcPictureCache);
#ifdef TEST
*logofs << name() << ": Decoded update. Type is "
<< (unsigned int) renderExtension -> data.picture_filter.type
<< " size is " << renderExtension -> size_ << ".\n"
<< logofs_flush;
#endif
}
MESSAGE_END_DECODE_UPDATE
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