/**************************************************************************/ /* */ /* Copyright (c) 2001, 2011 NoMachine (http://www.nomachine.com) */ /* Copyright (c) 2008-2014 Oleksandr Shneyder <o.shneyder@phoca-gmbh.de> */ /* Copyright (c) 2014-2016 Ulrich Sibiller <uli42@gmx.de> */ /* Copyright (c) 2014-2016 Mihai Moldovan <ionic@ionic.de> */ /* Copyright (c) 2011-2016 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>*/ /* Copyright (c) 2015-2016 Qindel Group (http://www.qindel.com) */ /* */ /* NXCOMP, NX protocol compression and NX extensions to this software */ /* are copyright of the aforementioned persons and companies. */ /* */ /* Redistribution and use of the present software is allowed according */ /* to terms specified in the file LICENSE.nxcomp which comes in the */ /* source distribution. */ /* */ /* All rights reserved. */ /* */ /* NOTE: This software has received contributions from various other */ /* contributors, only the core maintainers and supporters are listed as */ /* copyright holders. Please contact us, if you feel you should be listed */ /* as copyright holder, as well. */ /* */ /**************************************************************************/ // // 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