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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/ProxyReadBuffer.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/ProxyReadBuffer.cpp')
-rw-r--r-- | nxcomp/ProxyReadBuffer.cpp | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/nxcomp/ProxyReadBuffer.cpp b/nxcomp/ProxyReadBuffer.cpp deleted file mode 100644 index 0427bb76c..000000000 --- a/nxcomp/ProxyReadBuffer.cpp +++ /dev/null @@ -1,207 +0,0 @@ -/**************************************************************************/ -/* */ -/* 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 "ProxyReadBuffer.h" - -#include "Transport.h" - -// -// Set the verbosity level. You also -// need to define DUMP in Misc.cpp -// if DUMP is defined here. -// - -#define WARNING -#define PANIC -#undef TEST -#undef DEBUG -#undef DUMP - -unsigned int ProxyReadBuffer::suggestedLength(unsigned int pendingLength) -{ - // - // Always read all the data that - // is available. - // - - int readable = transport_ -> readable(); - - unsigned int readLength = (readable == -1 ? 0 : (unsigned int) readable); - - if (readLength < pendingLength) - { - readLength = pendingLength; - } - - // - // Even if the readable data is not - // enough to make a complete message, - // resize the buffer to accommodate - // it all. - // - - if (pendingLength < remaining_) - { - readLength = remaining_; - } - - return readLength; -} - -int ProxyReadBuffer::locateMessage(const unsigned char *start, - const unsigned char *end, - unsigned int &controlLength, - unsigned int &dataLength, - unsigned int &trailerLength) -{ - unsigned int lengthLength = 0; - const unsigned char *nextSrc = start; - unsigned char next; - - dataLength = 0; - - #ifdef TEST - *logofs << "ProxyReadBuffer: Locating message for FD#" - << transport_ -> fd() << " with " << end - start - << " bytes.\n" << logofs_flush; - #endif - - // - // Use something like the following if - // you are looking for errors. - // - - #ifdef DUMP - if (control -> ProxyMode == proxy_server && start < end && - transport_ -> fd() == 6 || transport_ -> fd() == 11) - { - *logofs << "ProxyReadBuffer: Partial checksums are:\n"; - - DumpBlockChecksums(start, end - start, 256); - - *logofs << logofs_flush; - } - #endif - - do - { - if (nextSrc >= end) - { - remaining_ = 1; - - #ifdef TEST - *logofs << "ProxyReadBuffer: No message was located " - << "with remaining " << remaining_ << ".\n" - << logofs_flush; - #endif - - return 0; - } - - next = *nextSrc++; - - dataLength <<= 7; - dataLength |= (unsigned int) (next & 0x7f); - - lengthLength++; - } - while (next & 0x80); - - unsigned int totalLength; - - if (dataLength == 0) - { - trailerLength = 0; - controlLength = 3; - totalLength = controlLength; - } - else - { - trailerLength = lengthLength; - controlLength = 0; - totalLength = dataLength + trailerLength; - } - - if (start + totalLength > end) - { - // - // When having to decompress a ZLIB stream, - // a single byte can be enough to complete - // the frame. - // - - if (control -> RemoteStreamCompression == 0) - { - remaining_ = totalLength - (end - start); - } - else - { - remaining_ = 1; - } - - #ifdef TEST - *logofs << "ProxyReadBuffer: No message was located " - << "with remaining " << remaining_ << ".\n" - << logofs_flush; - #endif - - return 0; - } - else - { - #ifdef DUMP - *logofs << "ProxyReadBuffer: Received " << totalLength << " bytes of data " - << "with checksum "; - - DumpChecksum(start, totalLength); - - *logofs << " on proxy FD#" << transport_ -> fd() << ".\n" << logofs_flush; - #endif - - #if defined(TEST) || defined(INFO) - *logofs << "ProxyReadBuffer: Produced plain input for " << dataLength - << "+" << trailerLength << "+" << controlLength << " bytes out of " - << totalLength << " bytes.\n" << logofs_flush; - #endif - - #ifdef DUMP - *logofs << "ProxyReadBuffer: Partial checksums are:\n"; - - DumpBlockChecksums(start, totalLength, 256); - - *logofs << logofs_flush; - #endif - - remaining_ = 0; - - #ifdef TEST - *logofs << "ProxyReadBuffer: Located message with " - << "remaining " << remaining_ << ".\n" - << logofs_flush; - #endif - - return 1; - } -} |