nxcomp: Switch to autoreconf.

1 files changed, 0 insertions, 619 deletions

diff --git a/nxcomp/EncodeBuffer.cpp b/nxcomp/EncodeBuffer.cpp
deleted file mode 100644
index a259aacb2..000000000
--- a/nxcomp/EncodeBuffer.cpp
+++ /dev/null
@@ -1,619 +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 "Misc.h"
-#include "Control.h"
-
-#include "EncodeBuffer.h"
-
-//
-// Set the verbosity level.
-//
-
-#define PANIC
-#define WARNING
-#undef  TEST
-#undef  DEBUG
-#undef  DUMP
-
-#define ADVANCE_DEST \
-\
-if (destShift_ == 0) \
-{ \
-  destShift_ = 7; nextDest_++; *nextDest_ = 0; \
-} \
-else \
-{ \
-  destShift_--; \
-}
-
-EncodeBuffer::EncodeBuffer()
-{
-  size_ = ENCODE_BUFFER_DEFAULT_SIZE;
-
-  buffer_ = new unsigned char[size_ + ENCODE_BUFFER_PREFIX_SIZE +
-                                  ENCODE_BUFFER_POSTFIX_SIZE] + ENCODE_BUFFER_PREFIX_SIZE;
-  end_ = buffer_ + size_;
-
-  nextDest_  = buffer_;
-  *nextDest_ = 0;
-  destShift_ = 7;
-
-  lastBits_ = 0;
-
-  initialSize_   = ENCODE_BUFFER_DEFAULT_SIZE;
-  thresholdSize_ = ENCODE_BUFFER_DEFAULT_SIZE << 1;
-  maximumSize_   = ENCODE_BUFFER_DEFAULT_SIZE << 4;
-}
-
-EncodeBuffer::~EncodeBuffer()
-{
-  delete [] (buffer_ - ENCODE_BUFFER_PREFIX_SIZE);
-}
-
-void EncodeBuffer::setSize(unsigned int initialSize, unsigned int thresholdSize,
-                               unsigned int maximumSize)
-{
-  initialSize_   = initialSize;
-  thresholdSize_ = thresholdSize;
-  maximumSize_   = maximumSize;
-
-  #ifdef TEST
-  *logofs << "EncodeBuffer: Set buffer sizes to "
-          << initialSize_ << "/" << thresholdSize_
-          << "/" << maximumSize_ << ".\n"
-          << logofs_flush;
-  #endif
-}
-
-void EncodeBuffer::fullReset()
-{
-  if (size_ > initialSize_)
-  {
-    delete [] (buffer_ - ENCODE_BUFFER_PREFIX_SIZE);
-
-    size_ = initialSize_;
-
-    buffer_ = new unsigned char[size_ + ENCODE_BUFFER_PREFIX_SIZE +
-                                    ENCODE_BUFFER_POSTFIX_SIZE] + ENCODE_BUFFER_PREFIX_SIZE;
-  }
-
-  end_ = buffer_ + size_;
-
-  nextDest_  = buffer_;
-  *nextDest_ = 0;
-  destShift_ = 7;
-
-  lastBits_ = 0;
-}
-
-void EncodeBuffer::encodeValue(unsigned int value, unsigned int numBits,
-                                   unsigned int blockSize)
-{
-  #ifdef DUMP
-  *logofs << "EncodeBuffer: Encoding " << numBits
-          << " bits value with block " << blockSize
-          << " and " << (nextDest_ - buffer_)
-          << " bytes in buffer.\n" << logofs_flush;
-  #endif
-
-  value &= IntMask[numBits];
-
-  unsigned int srcMask = 0x1;
-  unsigned int bitsWritten = 0;
-
-  if (blockSize == 0)
-    blockSize = numBits;
-
-  if (end_ - nextDest_ < 8)
-  {
-    growBuffer();
-  }
-
-  unsigned int numBlocks = 1;
-
-  do
-  {
-    if (numBlocks == 4)
-      blockSize = numBits;
-
-    unsigned int bitsToWrite = (blockSize > numBits - bitsWritten ?
-                                    numBits - bitsWritten : blockSize);
-    unsigned int count = 0;
-    unsigned int lastBit;
-
-    do
-    {
-      lastBit = (value & srcMask);
-      if (lastBit)
-        *nextDest_ |= (1 << destShift_);
-      ADVANCE_DEST;
-      srcMask <<= 1;
-    }
-    while (bitsToWrite > ++count);
-
-    bitsWritten += bitsToWrite;
-
-    if (bitsWritten < numBits)
-    {
-      unsigned int tmpMask = srcMask;
-      unsigned int i = bitsWritten;
-
-      if (lastBit)
-      {
-        do
-        {
-          unsigned int nextBit = (value & tmpMask);
-
-          if (!nextBit)
-            break;
-
-          tmpMask <<= 1;
-        }
-        while (numBits > ++i);
-      }
-      else
-      {
-        do
-        {
-          unsigned int nextBit = (value & tmpMask);
-
-          if (nextBit)
-            break;
-
-          tmpMask <<= 1;
-        }
-        while (numBits > ++i);
-      }
-
-      if (i < numBits)
-        *nextDest_ |= (1 << destShift_);
-      else
-        bitsWritten = numBits;
-
-      ADVANCE_DEST;
-    }
-    blockSize >>= 1;
-
-    if (blockSize < 2)
-      blockSize = 2;
-
-    numBlocks++;
-  }
-  while (numBits > bitsWritten);
-}
-
-void EncodeBuffer::encodeCachedValue(unsigned int value, unsigned int numBits,
-                                         IntCache &cache, unsigned int blockSize)
-{
-  #ifdef DUMP
-  *logofs << "EncodeBuffer: Encoding " << numBits
-          << " bits cached value with block " << blockSize
-          << " and " << (nextDest_ - buffer_)
-          << " bytes in buffer.\n" << logofs_flush;
-  #endif
-
-  value &= IntMask[numBits];
-
-  if (end_ - nextDest_ < 8)
-  {
-    growBuffer();
-  }
-
-  blockSize = cache.getBlockSize(blockSize);
-
-  unsigned int index;
-  unsigned int sameDiff;
-
-  #ifdef DUMP
-
-  diffBits();
-
-  #endif
-
-  if (cache.lookup(value, index, IntMask[numBits], sameDiff))
-  {
-    if (index > 1)
-      index++;
-
-    while (destShift_ < index)
-    {
-      index -= destShift_;
-      index--;
-      destShift_ = 7;
-      nextDest_++;
-      *nextDest_ = 0;
-    }
-
-    destShift_ -= index;
-    *nextDest_ |= (1 << destShift_);
-    ADVANCE_DEST;
-
-    #ifdef DUMP
-    *logofs << "EncodeBuffer: Encoded cached int using "
-            << diffBits() << " bits out of " << numBits
-            << ".\n" << logofs_flush;
-    #endif
-  }
-  else
-  {
-    ADVANCE_DEST;
-    ADVANCE_DEST;
-    *nextDest_ |= (1 << destShift_);
-    ADVANCE_DEST;
-
-    //
-    // The attempt is very seldom successful.
-    // Avoid to encode the additional bool.
-    //
-
-    // Since ProtoStep8 (#issue 108)
-    #ifdef DUMP
-    *logofs << "EncodeBuffer: Encoded missed int using "
-            << diffBits() << " bits out of " << numBits
-            << ".\n" << logofs_flush;
-    #endif
-
-    encodeValue(value, numBits, blockSize);
-  }
-}
-
-void EncodeBuffer::encodeCachedValue(unsigned char value, unsigned int numBits,
-                                         CharCache &cache, unsigned int blockSize)
-{
-  #ifdef DUMP
-  *logofs << "EncodeBuffer: Encoding " << numBits
-          << " bits char cached value with block " << blockSize
-          << " and " << (nextDest_ - buffer_)
-          << " bytes in buffer.\n" << logofs_flush;
-  #endif
-
-  value &= IntMask[numBits];
-
-  if (end_ - nextDest_ < 8)
-  {
-    growBuffer();
-  }
-
-  unsigned int index;
-
-  #ifdef DUMP
-
-  diffBits();
-
-  #endif
-
-  if (cache.lookup(value, index))
-  {
-    if (index > 1)
-      index++;
-
-    while (destShift_ < index)
-    {
-      index -= destShift_;
-      index--;
-      destShift_ = 7;
-      nextDest_++;
-      *nextDest_ = 0;
-    }
-
-    destShift_ -= index;
-    *nextDest_ |= (1 << destShift_);
-    ADVANCE_DEST;
-
-    #ifdef DUMP
-    *logofs << "EncodeBuffer: Encoded cached char using "
-            << diffBits() << " bits out of " << numBits
-            << ".\n" << logofs_flush;
-    #endif
-  }
-  else
-  {
-    ADVANCE_DEST;
-    ADVANCE_DEST;
-    *nextDest_ |= (1 << destShift_);
-    ADVANCE_DEST;
-
-    encodeValue(value, numBits, blockSize);
-
-    #ifdef DUMP
-    *logofs << "EncodeBuffer: Encoded missed char using "
-            << diffBits() << " bits out of " << numBits
-            << ".\n" << logofs_flush;
-    #endif
-  }
-}
-
-void EncodeBuffer::encodeMemory(const unsigned char *buffer, unsigned int numBytes)
-{
-  #ifdef DUMP
-  *logofs << "EncodeBuffer: Encoding " << numBytes
-          << " bytes of memory with " << (nextDest_ - buffer_)
-          << " bytes in buffer.\n" << logofs_flush;
-  #endif
-
-  if (numBytes > ENCODE_BUFFER_OVERFLOW_SIZE)
-  {
-    #ifdef PANIC
-    *logofs << "EncodeBuffer: PANIC! Should never encode buffer "
-            << "of size greater than " << ENCODE_BUFFER_OVERFLOW_SIZE
-            << " bytes.\n" << logofs_flush;
-
-    *logofs << "EncodeBuffer: PANIC! Assuming failure encoding data "
-            << "in context [A].\n" << logofs_flush;
-    #endif
-
-    //
-    // Label "context" is just used to identify
-    // the routine which detected the problem in
-    // present source file.
-    //
-
-    cerr << "Error" << ": Should never encode buffer of size "
-         << "greater than " << ENCODE_BUFFER_OVERFLOW_SIZE
-         << " bytes.\n";
-
-    cerr << "Error" << ": Assuming failure encoding data "
-         << "in context [A].\n" ;
-
-    HandleAbort();
-  }
-
-  alignBuffer();
-
-  if (end_ - nextDest_ < (int) numBytes)
-  {
-    growBuffer(numBytes);
-  }
-
-  memcpy(nextDest_, buffer, numBytes);
-
-  nextDest_ += numBytes;
-
-  if (nextDest_ == end_)
-  {
-    growBuffer();
-  }
-  else if (nextDest_ > end_)
-  {
-    #ifdef PANIC
-    *logofs << "EncodeBuffer: PANIC! Assertion failed. Error [B] "
-            << "in encodeMemory() nextDest_ " << (nextDest_ - buffer)
-            << " end_ " << (end_ - buffer) << ".\n"
-            << logofs_flush;
-    #endif
-
-    //
-    // Label "context" is just used to identify
-    // the routine which detected the problem in
-    // present source file.
-    //
-
-    cerr << "Error" << ": Failure encoding raw data "
-         << "in context [B].\n" ;
-
-    HandleAbort();
-  }
-
-  *nextDest_ = 0; 
-}
-
-unsigned int EncodeBuffer::getLength() const
-{
-  unsigned int length = nextDest_ - buffer_;
-
-  if (destShift_ != 7)
-  {
-    length++;
-  }
-
-  // Since ProtoStep7 (#issue 108)
-  if (length > 0)
-  {
-    return length + ENCODE_BUFFER_POSTFIX_SIZE;
-  }
-
-  return length;
-}
-
-unsigned int EncodeBuffer::diffBits()
-{
-  unsigned int bits = ((nextDest_ - buffer_) << 3);
-
-  bits += (7 - destShift_);
-
-  unsigned int diff = bits - lastBits_;
-
-  lastBits_ = bits;
-
-  return diff;
-}
-
-void EncodeBuffer::growBuffer(unsigned int numBytes)
-{
-  if (numBytes == 0)
-  {
-    numBytes = initialSize_;
-  }
-
-  unsigned int bytesInBuffer = nextDest_ - buffer_;
-
-  unsigned int newSize = thresholdSize_;
-
-  while (newSize < bytesInBuffer + numBytes)
-  {
-    newSize <<= 1;
-
-    if (newSize > maximumSize_)
-    {
-      newSize = bytesInBuffer + numBytes + initialSize_;
-    }
-  }
-
-  unsigned char *newBuffer;
-
-  newBuffer = new unsigned char[newSize + ENCODE_BUFFER_PREFIX_SIZE +
-                                    ENCODE_BUFFER_POSTFIX_SIZE] + ENCODE_BUFFER_PREFIX_SIZE;
-
-  if (newBuffer == NULL)
-  {
-    #ifdef PANIC
-    *logofs << "EncodeBuffer: PANIC! Error in context [C] "
-            << "growing buffer to accommodate " << numBytes
-            << " bytes .\n" << logofs_flush;
-    #endif
-
-    cerr << "Error" << ": Error in context [C] "
-         << "growing encode buffer to accommodate "
-         << numBytes << " bytes.\n";
-
-    HandleAbort();
-  }
-
-  #ifdef TEST
-  if (newSize >= maximumSize_)
-  {
-    *logofs << "EncodeBuffer: WARNING! Buffer grown to reach "
-            << "size of " << newSize << " bytes.\n"
-            << logofs_flush;
-  }
-  #endif
-
-  //
-  // Prefix should not contain any valid data.
-  // It is proxy that will fill it with control
-  // messages and data length at the time a new
-  // frame is written to socket.
-  //
-
-  memcpy(newBuffer, buffer_, bytesInBuffer + 1);
-
-  newBuffer[bytesInBuffer + 1] = 0;
-
-  delete [] (buffer_ - ENCODE_BUFFER_PREFIX_SIZE);
-
-  buffer_ = newBuffer;
-  size_   = newSize;
-  end_    = buffer_ + size_;
-
-  nextDest_ = buffer_ + bytesInBuffer;
-}
-
-void EncodeBuffer::alignBuffer()
-{
-  if (destShift_ != 7)
-  {
-    destShift_ = 7;
-    nextDest_++;
-
-    if (nextDest_ >= end_)
-    {
-      growBuffer();
-    }
-    
-    *nextDest_ = 0;
-  }
-}
-
-void EncodeBuffer::encodeActionValue(unsigned char value, unsigned short position,
-                                         ActionCache &cache)
-{
-  unsigned int v = (value << 13) | position;
-
-  unsigned int t = (v - cache.last_);
-
-  encodeCachedValue(t, 15, *(cache.base_[cache.slot_]));
-
-  cache.last_ = v;
-
-  #ifdef DEBUG
-  *logofs << "EncodeBuffer: Encoded value "
-          << (unsigned) value << " and position "
-          << position << " with base " << cache.slot_
-          << ".\n" << logofs_flush;
-  #endif
-
-  cache.slot_ = (cache.last_ & 0xff);
-}
-
-void EncodeBuffer::encodeNewXidValue(unsigned int value, unsigned int &lastId,
-                                         IntCache &lastIdCache, IntCache &cache,
-                                             FreeCache &freeCache)
-{
-  encodeCachedValue((value - 1) - lastId, 29, lastIdCache);
-
-  lastId = value;
-
-  cache.push(value, 0x1fffffff);
-
-  freeCache.push(value, 0x1fffffff);
-}
-
-void EncodeBuffer::encodeNewXidValue(unsigned int value, unsigned int &lastId,
-                                         IntCache &lastIdCache, XidCache &cache,
-                                             FreeCache &freeCache)
-{
-  encodeCachedValue((value - 1) - lastId, 29, lastIdCache);
-
-  lastId = value;
-
-  unsigned int t = (value - cache.last_);
-
-  cache.last_ = value;
-
-  #ifdef DEBUG
-  *logofs << "EncodeBuffer: Encoded new Xid " << value
-          << " with base " << cache.slot_ << ".\n"
-          << logofs_flush;
-  #endif
-
-  cache.slot_ = (value & 0xff);
-
-  cache.base_[cache.slot_] -> push(t, 0x1fffffff);
-
-  freeCache.push(value, IntMask[29]);
-}
-
-void EncodeBuffer::encodeXidValue(unsigned int value, XidCache &cache)
-{
-  unsigned int t = (value - cache.last_);
-
-  encodeCachedValue(t, 29, *(cache.base_[cache.slot_]));
-
-  cache.last_ = value;
-
-  #ifdef DEBUG
-  *logofs << "EncodeBuffer: Encoded Xid " << value
-          << " with base " << cache.slot_ << ".\n"
-          << logofs_flush;
-  #endif
-
-  cache.slot_ = (value & 0xff);
-}
-
-void EncodeBuffer::encodeFreeXidValue(unsigned int value, FreeCache &cache)
-{
-  encodeCachedValue(value, 29, cache);
-}