From f76c82403888bb498973ec974dbfd20e4edb02fe Mon Sep 17 00:00:00 2001 From: Mike Gabriel Date: Fri, 30 Jun 2017 20:13:51 +0200 Subject: nxcomp: Switch to autoreconf. --- nxcomp/WriteBuffer.cpp | 496 ------------------------------------------------- 1 file changed, 496 deletions(-) delete mode 100644 nxcomp/WriteBuffer.cpp (limited to 'nxcomp/WriteBuffer.cpp') diff --git a/nxcomp/WriteBuffer.cpp b/nxcomp/WriteBuffer.cpp deleted file mode 100644 index 07d14fc30..000000000 --- a/nxcomp/WriteBuffer.cpp +++ /dev/null @@ -1,496 +0,0 @@ -/**************************************************************************/ -/* */ -/* Copyright (c) 2001, 2011 NoMachine (http://www.nomachine.com) */ -/* Copyright (c) 2008-2014 Oleksandr Shneyder */ -/* Copyright (c) 2014-2016 Ulrich Sibiller */ -/* Copyright (c) 2014-2016 Mihai Moldovan */ -/* Copyright (c) 2011-2016 Mike Gabriel */ -/* 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 -#include -#include -#include - -#include "Misc.h" -#include "Control.h" - -#include "WriteBuffer.h" - -#define PANIC -#define WARNING -#undef TEST -#undef DEBUG - -WriteBuffer::WriteBuffer() -{ - size_ = WRITE_BUFFER_DEFAULT_SIZE; - buffer_ = new unsigned char[size_]; - length_ = 0; - index_ = NULL; - - scratchLength_ = 0; - scratchBuffer_ = NULL; - scratchOwner_ = 1; - - initialSize_ = WRITE_BUFFER_DEFAULT_SIZE; - thresholdSize_ = WRITE_BUFFER_DEFAULT_SIZE << 1; - maximumSize_ = WRITE_BUFFER_DEFAULT_SIZE << 4; - - #ifdef VALGRIND - - memset(buffer_, '\0', size_); - - #endif -} - -WriteBuffer::~WriteBuffer() -{ - if (scratchOwner_ == 1 && - scratchBuffer_ != NULL) - { - delete [] scratchBuffer_; - } - - delete [] buffer_; -} - -void WriteBuffer::setSize(unsigned int initialSize, unsigned int thresholdSize, - unsigned int maximumSize) -{ - initialSize_ = initialSize; - thresholdSize_ = thresholdSize; - maximumSize_ = maximumSize; - - #ifdef TEST - *logofs << "WriteBuffer: Set buffer sizes to " - << initialSize_ << "/" << thresholdSize_ - << "/" << maximumSize_ << ".\n" - << logofs_flush; - #endif -} - -void WriteBuffer::partialReset() -{ - if (scratchBuffer_ != NULL) - { - if (scratchOwner_) - { - #ifdef DEBUG - *logofs << "WriteBuffer: Going to delete " - << scratchLength_ << " bytes from the " - << "scratch buffer.\n" << logofs_flush; - #endif - - delete [] scratchBuffer_; - } - - scratchLength_ = 0; - scratchBuffer_ = NULL; - scratchOwner_ = 1; - } - - length_ = 0; - index_ = NULL; - - #ifdef DEBUG - *logofs << "WriteBuffer: Performed partial reset with " - << size_ << " bytes in buffer.\n" - << logofs_flush; - #endif -} - -void WriteBuffer::fullReset() -{ - if (scratchBuffer_ != NULL) - { - if (scratchOwner_ == 1) - { - #ifdef DEBUG - *logofs << "WriteBuffer: Going to delete " - << scratchLength_ << " bytes from the " - << "scratch buffer.\n" << logofs_flush; - #endif - - delete [] scratchBuffer_; - } - - scratchLength_ = 0; - scratchBuffer_ = NULL; - scratchOwner_ = 1; - } - - length_ = 0; - index_ = NULL; - - if (size_ > initialSize_) - { - #ifdef TEST - *logofs << "WriteBuffer: Reallocating a new buffer of " - << initialSize_ << " bytes.\n" << logofs_flush; - #endif - - delete [] buffer_; - - size_ = initialSize_; - - buffer_ = new unsigned char[size_]; - - if (buffer_ == NULL) - { - #ifdef PANIC - *logofs << "WriteBuffer: PANIC! Can't allocate memory for " - << "X messages in context [A].\n" << logofs_flush; - #endif - - cerr << "Error" << ": Can't allocate memory for " - << "X messages in context [A].\n"; - - HandleAbort(); - } - - #ifdef VALGRIND - - memset(buffer_, '\0', size_); - - #endif - } - - #ifdef DEBUG - *logofs << "WriteBuffer: Performed full reset with " - << size_ << " bytes in buffer.\n" - << logofs_flush; - #endif -} - -unsigned char *WriteBuffer::addMessage(unsigned int numBytes) -{ - #ifdef DEBUG - *logofs << "WriteBuffer: Adding " << numBytes << " bytes to " - << length_ << " bytes already in buffer.\n" - << logofs_flush; - #endif - - if (numBytes > WRITE_BUFFER_OVERFLOW_SIZE) - { - #ifdef PANIC - *logofs << "WriteBuffer: PANIC! Can't add a message of " - << numBytes << " bytes.\n" << logofs_flush; - - *logofs << "WriteBuffer: PANIC! Assuming error handling " - << "data in context [B].\n" << logofs_flush; - #endif - - cerr << "Error" << ": Can't add a message of " - << numBytes << " bytes to write buffer.\n"; - - cerr << "Error" << ": Assuming error handling " - << "data in context [B].\n"; - - HandleAbort(); - } - else if (length_ + numBytes > size_) - { - unsigned int newSize = thresholdSize_; - - while (newSize < length_ + numBytes) - { - newSize <<= 1; - - if (newSize > maximumSize_) - { - newSize = length_ + numBytes + initialSize_; - } - } - - #ifdef TEST - *logofs << "WriteBuffer: Growing buffer from " - << size_ << " to " << newSize << " bytes.\n" - << logofs_flush; - #endif - - unsigned int indexOffset = 0; - - if (index_ && *index_) - { - indexOffset = *index_ - buffer_; - } - - size_ = newSize; - - unsigned char *newBuffer = new unsigned char[size_]; - - if (newBuffer == NULL) - { - #ifdef PANIC - *logofs << "WriteBuffer: PANIC! Can't allocate memory for " - << "X messages in context [C].\n" << logofs_flush; - #endif - - cerr << "Error" << ": Can't allocate memory for " - << "X messages in context [C].\n"; - - HandleAbort(); - } - - #ifdef TEST - if (newSize >= maximumSize_) - { - *logofs << "WriteBuffer: WARNING! Buffer grown to reach " - << "size of " << newSize << " bytes.\n" - << logofs_flush; - } - #endif - - #ifdef VALGRIND - - memset(newBuffer, '\0', size_); - - #endif - - memcpy(newBuffer, buffer_, length_); - - #ifdef DEBUG - *logofs << "WriteBuffer: Going to delete the " - << "old buffer with new size " << size_ - << ".\n" << logofs_flush; - #endif - - delete [] buffer_; - - buffer_ = newBuffer; - - if (index_ && *index_) - { - *index_ = buffer_ + indexOffset; - } - } - - unsigned char *result = buffer_ + length_; - - length_ += numBytes; - - #ifdef DEBUG - *logofs << "WriteBuffer: Bytes in buffer are " - << length_ << " while size is " << size_ - << ".\n" << logofs_flush; - #endif - - return result; -} - -unsigned char *WriteBuffer::removeMessage(unsigned int numBytes) -{ - #ifdef TEST - *logofs << "WriteBuffer: Removing " << numBytes - << " bytes from buffer.\n" << logofs_flush; - #endif - - if (numBytes > length_) - { - #ifdef PANIC - *logofs << "WriteBuffer: PANIC! Can't remove " - << numBytes << " bytes with only " << length_ - << " bytes in buffer.\n" << logofs_flush; - #endif - - cerr << "Error" << ": Buffer underflow handling " - << "write buffer in context [D].\n"; - - HandleAbort(); - } - - length_ -= numBytes; - - #ifdef TEST - *logofs << "WriteBuffer: Bytes in buffer are now " - << length_ << " while size is " - << size_ << ".\n" << logofs_flush; - #endif - - return (buffer_ + length_); -} - -unsigned char *WriteBuffer::addScratchMessage(unsigned int numBytes) -{ - if (numBytes > WRITE_BUFFER_OVERFLOW_SIZE) - { - #ifdef PANIC - *logofs << "WriteBuffer: PANIC! Can't add a message of " - << numBytes << " bytes.\n" << logofs_flush; - - *logofs << "WriteBuffer: PANIC! Assuming error handling " - << "data in context [E].\n" << logofs_flush; - #endif - - cerr << "Error" << ": Can't add a message of " - << numBytes << " bytes to write buffer.\n"; - - cerr << "Error" << ": Assuming error handling " - << "data in context [E].\n"; - - HandleAbort(); - } - else if (scratchBuffer_ != NULL) - { - #ifdef PANIC - *logofs << "WriteBuffer: PANIC! Can't add a message of " - << numBytes << " bytes with " << scratchLength_ - << " bytes already in scratch buffer.\n" - << logofs_flush; - - *logofs << "WriteBuffer: PANIC! Assuming error handling " - << "data in context [F].\n" << logofs_flush; - #endif - - cerr << "Error" << ": Can't add a message of " - << numBytes << " bytes with " << scratchLength_ - << " bytes already in scratch buffer.\n"; - - cerr << "Error" << ": Assuming error handling " - << "data in context [F].\n"; - - HandleAbort(); - } - - #ifdef DEBUG - *logofs << "WriteBuffer: Adding " << numBytes << " bytes " - << "to scratch buffer.\n" << logofs_flush; - #endif - - unsigned char *newBuffer = new unsigned char[numBytes]; - - if (newBuffer == NULL) - { - #ifdef PANIC - *logofs << "WriteBuffer: PANIC! Can't allocate memory for " - << "X messages in context [G].\n" << logofs_flush; - #endif - - cerr << "Error" << ": Can't allocate memory for " - << "X messages in context [G].\n"; - - HandleAbort(); - } - - #ifdef VALGRIND - - memset(newBuffer, '\0', numBytes); - - #endif - - scratchBuffer_ = newBuffer; - scratchOwner_ = 1; - scratchLength_ = numBytes; - - return newBuffer; -} - -unsigned char *WriteBuffer::addScratchMessage(unsigned char *newBuffer, unsigned int numBytes) -{ - if (numBytes > WRITE_BUFFER_OVERFLOW_SIZE) - { - #ifdef PANIC - *logofs << "WriteBuffer: PANIC! Can't add a message of " - << numBytes << " bytes.\n" << logofs_flush; - - *logofs << "WriteBuffer: PANIC! Assuming error handling " - << "data in context [H].\n" << logofs_flush; - #endif - - cerr << "Error" << ": Can't add a message of " - << numBytes << " bytes to write buffer.\n"; - - cerr << "Error" << ": Assuming error handling " - << "data in context [H].\n"; - - HandleAbort(); - } - else if (scratchBuffer_ != NULL) - { - #ifdef PANIC - *logofs << "WriteBuffer: PANIC! Can't add a foreign " - << "message of " << numBytes << " bytes with " - << scratchLength_ << " bytes already in " - << "scratch buffer.\n" << logofs_flush; - - *logofs << "WriteBuffer: PANIC! Assuming error handling " - << "data in context [I].\n" << logofs_flush; - #endif - - cerr << "Error" << ": Can't add a foreign message of " - << numBytes << " bytes with " << scratchLength_ - << " bytes already in scratch buffer.\n"; - - cerr << "Error" << ": Assuming error handling " - << "data in context [I].\n"; - - HandleAbort(); - } - - #ifdef DEBUG - *logofs << "WriteBuffer: Adding " << numBytes << " bytes " - << "from a foreign message to scratch buffer.\n" - << logofs_flush; - #endif - - scratchBuffer_ = newBuffer; - scratchLength_ = numBytes; - scratchOwner_ = 0; - - return newBuffer; -} - -void WriteBuffer::removeScratchMessage() -{ - #ifdef TEST - - if (scratchLength_ == 0 || scratchBuffer_ == NULL) - { - #ifdef PANIC - *logofs << "WriteBuffer: PANIC! Can't remove non existent scratch message.\n" - << logofs_flush; - #endif - - cerr << "Error" << ": Can't remove non existent scratch message.\n"; - - HandleAbort(); - } - - *logofs << "WriteBuffer: Removing " << scratchLength_ - << " bytes from scratch buffer.\n" - << logofs_flush; - - #endif - - if (scratchOwner_ == 1) - { - #ifdef DEBUG - *logofs << "WriteBuffer: Going to delete " - << scratchLength_ << " bytes from the " - << "scratch buffer.\n" << logofs_flush; - #endif - - delete [] scratchBuffer_; - } - - scratchLength_ = 0; - scratchBuffer_ = NULL; - scratchOwner_ = 1; -} -- cgit v1.2.3