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author | Mike Gabriel <mike.gabriel@das-netzwerkteam.de> | 2017-06-30 20:13:51 +0200 |
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committer | Mike Gabriel <mike.gabriel@das-netzwerkteam.de> | 2017-07-26 10:12:43 +0200 |
commit | f76c82403888bb498973ec974dbfd20e4edb02fe (patch) | |
tree | be0cb6c112d9d9fb46387fbd114727510197ddec /nxcomp/src/GenericReply.cpp | |
parent | 9193d11eeeea933e293acd5e0f03fa4e9887186b (diff) | |
download | nx-libs-f76c82403888bb498973ec974dbfd20e4edb02fe.tar.gz nx-libs-f76c82403888bb498973ec974dbfd20e4edb02fe.tar.bz2 nx-libs-f76c82403888bb498973ec974dbfd20e4edb02fe.zip |
nxcomp: Switch to autoreconf.
Diffstat (limited to 'nxcomp/src/GenericReply.cpp')
-rw-r--r-- | nxcomp/src/GenericReply.cpp | 302 |
1 files changed, 302 insertions, 0 deletions
diff --git a/nxcomp/src/GenericReply.cpp b/nxcomp/src/GenericReply.cpp new file mode 100644 index 000000000..b56e579e8 --- /dev/null +++ b/nxcomp/src/GenericReply.cpp @@ -0,0 +1,302 @@ +/**************************************************************************/ +/* */ +/* 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. */ +/* */ +/**************************************************************************/ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "GenericReply.h" + +#include "ServerCache.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. +// + +GenericReplyStore::GenericReplyStore(StaticCompressor *compressor) + + : MessageStore(compressor) +{ + enableCache = GENERICREPLY_ENABLE_CACHE; + enableData = GENERICREPLY_ENABLE_DATA; + enableSplit = GENERICREPLY_ENABLE_SPLIT; + + // Since ProtoStep7 (#issue 108) + enableCompress = GENERICREPLY_ENABLE_COMPRESS_IF_PROTO_STEP_7; + + dataLimit = GENERICREPLY_DATA_LIMIT; + dataOffset = GENERICREPLY_DATA_OFFSET; + + cacheSlots = GENERICREPLY_CACHE_SLOTS; + cacheThreshold = GENERICREPLY_CACHE_THRESHOLD; + cacheLowerThreshold = GENERICREPLY_CACHE_LOWER_THRESHOLD; + + messages_ -> resize(cacheSlots); + + for (T_messages::iterator i = messages_ -> begin(); + i < messages_ -> end(); i++) + { + *i = NULL; + } + + temporary_ = NULL; +} + +GenericReplyStore::~GenericReplyStore() +{ + for (T_messages::iterator i = messages_ -> begin(); + i < messages_ -> end(); i++) + { + destroy(*i); + } + + destroy(temporary_); +} + +// +// Here are the methods to handle messages' content. +// + +int GenericReplyStore::encodeIdentity(EncodeBuffer &encodeBuffer, const unsigned char *buffer, + const unsigned int size, int bigEndian, + ChannelCache *channelCache) const +{ + ServerCache *serverCache = (ServerCache *) channelCache; + + #ifdef DEBUG + *logofs << name() << ": Encoding full message identity.\n" + << logofs_flush; + #endif + + encodeBuffer.encodeValue(GetULONG(buffer + 4, bigEndian), 32, 15); + + encodeBuffer.encodeCachedValue(*(buffer + 1), 8, + serverCache -> genericReplyCharCache); + + for (unsigned int i = 0; i < 6; i++) + { + encodeBuffer.encodeCachedValue(GetULONG(buffer + i * 4 + 8, bigEndian), 32, + *serverCache -> genericReplyIntCache[i]); + } + + #ifdef DEBUG + *logofs << name() << ": Encoded full message identity.\n" + << logofs_flush; + #endif + + return 1; +} + +int GenericReplyStore::decodeIdentity(DecodeBuffer &decodeBuffer, unsigned char *&buffer, + unsigned int &size, int bigEndian, WriteBuffer *writeBuffer, + ChannelCache *channelCache) const +{ + ServerCache *serverCache = (ServerCache *) channelCache; + + #ifdef DEBUG + *logofs << name() << ": Decoding full message identity.\n" + << logofs_flush; + #endif + + decodeBuffer.decodeValue(size, 32, 15); + + size = 32 + (size << 2); + + buffer = writeBuffer -> addMessage(size); + + decodeBuffer.decodeCachedValue(*(buffer + 1), 8, + serverCache -> genericReplyCharCache); + + unsigned int value; + + for (unsigned int i = 0; i < 6; i++) + { + decodeBuffer.decodeCachedValue(value, 32, + *serverCache -> genericReplyIntCache[i]); + + PutULONG(value, buffer + i * 4 + 8, bigEndian); + } + + #ifdef DEBUG + *logofs << name() << ": Decoded full message identity.\n" + << logofs_flush; + #endif + + return 1; +} + +int GenericReplyStore::parseIdentity(Message *message, const unsigned char *buffer, + unsigned int size, int bigEndian) const +{ + GenericReplyMessage *genericReply = (GenericReplyMessage *) message; + + genericReply -> byte_data = *(buffer + 1); + + for (int i = 0; i < 12; i++) + { + genericReply -> short_data[i] = GetUINT(buffer + i * 2 + 8, bigEndian); + } + + #ifdef DEBUG + *logofs << name() << ": Parsed identity for message at " + << message << ".\n" << logofs_flush; + #endif + + return 1; +} + +int GenericReplyStore::unparseIdentity(const Message *message, unsigned char *buffer, + unsigned int size, int bigEndian) const +{ + GenericReplyMessage *genericReply = (GenericReplyMessage *) message; + + *(buffer + 1) = genericReply -> byte_data; + + for (int i = 0; i < 12; i++) + { + PutUINT(genericReply -> short_data[i], buffer + i * 2 + 8, bigEndian); + } + + #ifdef DEBUG + *logofs << name() << ": Unparsed identity for message at " + << message << ".\n" << logofs_flush; + #endif + + return 1; +} + +void GenericReplyStore::dumpIdentity(const Message *message) const +{ + #ifdef DUMP + + GenericReplyMessage *genericReply = (GenericReplyMessage *) message; + + *logofs << name() << ": Identity byte_data " + << (unsigned) genericReply -> byte_data; + + for (int i = 0; i < 12; i++) + { + *logofs << ", short_data[" << i << "]" + << (unsigned) genericReply -> short_data[i]; + } + + *logofs << ", size " << genericReply -> size_ << ".\n"; + + #endif +} + +void GenericReplyStore::identityChecksum(const Message *message, const unsigned char *buffer, + unsigned int size, int bigEndian) const +{ +} + +void GenericReplyStore::updateIdentity(EncodeBuffer &encodeBuffer, const Message *message, + const Message *cachedMessage, + ChannelCache *channelCache) const +{ + // + // Encode the variant part. + // + + GenericReplyMessage *genericReply = (GenericReplyMessage *) message; + GenericReplyMessage *cachedGenericReply = (GenericReplyMessage *) cachedMessage; + + ServerCache *serverCache = (ServerCache *) channelCache; + + #ifdef TEST + *logofs << name() << ": Encoding value " + << (unsigned int) genericReply -> byte_data + << " as byte_data field.\n" << logofs_flush; + #endif + + encodeBuffer.encodeCachedValue(genericReply -> byte_data, 8, + serverCache -> genericReplyCharCache); + + cachedGenericReply -> byte_data = genericReply -> byte_data; + + for (unsigned int i = 0; i < 12; i++) + { + #ifdef TEST + *logofs << name() << ": Encoding value " << genericReply -> short_data[i] + << " as short_data[" << i << "] field.\n" << logofs_flush; + #endif + + encodeBuffer.encodeCachedValue(genericReply -> short_data[i], 16, + *serverCache -> genericReplyIntCache[i]); + + cachedGenericReply -> short_data[i] = genericReply -> short_data[i]; + } +} + +void GenericReplyStore::updateIdentity(DecodeBuffer &decodeBuffer, const Message *message, + ChannelCache *channelCache) const +{ + // + // Decode the variant part. + // + + GenericReplyMessage *genericReply = (GenericReplyMessage *) message; + + ServerCache *serverCache = (ServerCache *) channelCache; + + decodeBuffer.decodeCachedValue(genericReply -> byte_data, 8, + serverCache -> genericReplyCharCache); + + #ifdef TEST + *logofs << name() << ": Decoded value " + << (unsigned int) genericReply -> byte_data + << " as byte_data field.\n" << logofs_flush; + #endif + + unsigned int value; + + for (unsigned int i = 0; i < 12; i++) + { + decodeBuffer.decodeCachedValue(value, 16, + *serverCache -> genericReplyIntCache[i]); + + genericReply -> short_data[i] = (unsigned short) value; + + #ifdef TEST + *logofs << name() << ": Decoded value " << genericReply -> short_data[i] + << " as short_data[" << i << "] field.\n" << logofs_flush; + #endif + } +} |