nxcomp: Switch to autoreconf.

1 files changed, 0 insertions, 635 deletions

diff --git a/nxcomp/DecodeBuffer.cpp b/nxcomp/DecodeBuffer.cpp
deleted file mode 100644
index 456dee249..000000000
--- a/nxcomp/DecodeBuffer.cpp
+++ /dev/null
@@ -1,635 +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 "DecodeBuffer.h"
-
-//
-// Set the verbosity level.
-//
-
-#define PANIC
-#define WARNING
-#undef  TEST
-#undef  DEBUG
-#undef  DUMP
-
-DecodeBuffer::DecodeBuffer(const unsigned char *data, unsigned int length)
-
-  : buffer_(data), end_(buffer_ + length), nextSrc_(buffer_), srcMask_(0x80)
-{
-  // Since ProtoStep7 (#issue 108)
-  end_ = buffer_ + length - DECODE_BUFFER_POSTFIX_SIZE;
-}
-
-int DecodeBuffer::decodeValue(unsigned int &value, unsigned int numBits,
-                                  unsigned int blockSize, int endOkay)
-{
-  #ifdef DUMP
-  *logofs << "DecodeBuffer: Decoding " << numBits
-          << " bits value with block " << blockSize
-          << " and " << (nextSrc_ - buffer_)
-          << " bytes in buffer.\n" << logofs_flush;
-  #endif
-
-  unsigned int result = 0;
-  unsigned int destMask = 0x1;
-  unsigned int bitsRead = 0;
-
-  if (blockSize == 0)
-    blockSize = numBits;
-
-  unsigned char nextSrcChar = *nextSrc_;
-  unsigned int numBlocks = 1;
-
-  do
-  {
-    if (numBlocks == 4)
-    {
-      blockSize = numBits;
-    }
-
-    unsigned int bitsToRead = (blockSize > numBits - bitsRead ?
-                                   numBits - bitsRead : blockSize);
-    unsigned int count = 0;
-    unsigned char lastBit;
-
-    do
-    {
-      if (nextSrc_ >= end_)
-      {
-        if (!endOkay)
-        {
-          #ifdef PANIC
-          *logofs << "DecodeBuffer: PANIC! Assertion failed. Error [A] "
-                  << "in decodeValue() nextSrc_ = " << (nextSrc_ - 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 decoding data in context [A].\n";
-
-          HandleAbort();
-        }
-
-        #ifdef PANIC
-        *logofs << "DecodeBuffer: PANIC! Assertion failed. Error [B] "
-                << "in decodeValue() nextSrc_ = " << (nextSrc_ - buffer_)
-                << " end_ = " << (end_ - buffer_) << ".\n"
-                << logofs_flush;
-        #endif
-
-        cerr << "Error" << ": Failure decoding data in context [B].\n";
-
-        HandleAbort();
-      }
-
-      lastBit = (nextSrcChar & srcMask_);
-
-      if (lastBit)
-        result |= destMask;
-
-      srcMask_ >>= 1;
-
-      if (srcMask_ == 0)
-      {
-        srcMask_ = 0x80;
-        nextSrc_++;
-        nextSrcChar = *nextSrc_;
-      }
-
-      destMask <<= 1;
-    }
-    while (bitsToRead > ++count);
-
-    bitsRead += bitsToRead;
-
-    if (bitsRead < numBits)
-    {
-      if (nextSrc_ >= end_)
-      {
-        if (!endOkay)
-        {
-          #ifdef PANIC
-          *logofs << "DecodeBuffer: PANIC! Assertion failed. Error [C] "
-                  << "in decodeValue() nextSrc_ = " << (nextSrc_ - buffer_)
-                  << " end_ = " << (end_ - buffer_) << ".\n"
-                  << logofs_flush;
-          #endif
-
-          cerr << "Error" << ": Failure decoding data in context [C].\n";
-
-          HandleAbort();
-        }
-
-        #ifdef PANIC
-        *logofs << "DecodeBuffer: PANIC! Assertion failed. Error [D] "
-                << "in decodeValue() nextSrc_ = " << (nextSrc_ - buffer_)
-                << " end_ = " << (end_ - buffer_) << ".\n"
-                << logofs_flush;
-        #endif
-
-        cerr << "Error" << ": Failure decoding data in context [D].\n";
-
-        HandleAbort();
-      }
-
-      unsigned char moreData = (nextSrcChar & srcMask_);
-
-      srcMask_ >>= 1;
-
-      if (srcMask_ == 0)
-      {
-        srcMask_ = 0x80;
-        nextSrc_++;
-        nextSrcChar = *nextSrc_;
-      }
-
-      if (!moreData)
-      {
-        if (lastBit)
-        {
-          do
-          {
-            result |= destMask;
-            destMask <<= 1;
-          }
-          while (numBits > ++bitsRead);
-        }
-        else
-          bitsRead = numBits;
-      }
-    }
-
-    blockSize >>= 1;
-
-    if (blockSize < 2)
-      blockSize = 2;
-
-    numBlocks++;
-  }
-  while (numBits > bitsRead);
-
-  value = result;
-
-  return 1;
-}
-
-int DecodeBuffer::decodeCachedValue(unsigned int &value, unsigned int numBits,
-                                        IntCache &cache, unsigned int blockSize,
-                                            int endOkay)
-{
-  #ifdef DUMP
-  *logofs << "DecodeBuffer: Decoding " << numBits
-          << " bits cached value with block " << blockSize
-          << " and " << (nextSrc_ - buffer_)
-          << " bytes in buffer.\n" << logofs_flush;
-  #endif
-
-  if (nextSrc_ >= end_)
-  {
-    #ifdef PANIC
-    *logofs << "DecodeBuffer: PANIC! Assertion failed. Error [E] "
-            << "in decodeValue() nextSrc_ = " << (nextSrc_ - buffer_)
-            << " end_ = " << (end_ - buffer_) << ".\n"
-            << logofs_flush;
-    #endif
-
-    cerr << "Error" << ": Failure decoding data in context [E].\n";
-
-    HandleAbort();
-  }
-
-  unsigned int index = 0;
-  unsigned char nextSrcChar = *nextSrc_;
-
-  while (!(nextSrcChar & srcMask_))
-  {
-    index++;
-    srcMask_ >>= 1;
-    if (srcMask_ == 0)
-    {
-      srcMask_ = 0x80;
-      nextSrc_++;
-      if (nextSrc_ >= end_)
-      {
-        if (!endOkay)
-        {
-          #ifdef PANIC
-          *logofs << "DecodeBuffer: PANIC! Assertion failed. Error [F] "
-                  << "in decodeCachedValue() nextSrc_ = "
-                  << (nextSrc_ - buffer_) << " end_ = "
-                  << (end_ - buffer_) << ".\n" << logofs_flush;
-          #endif
-
-          cerr << "Error" << ": Failure decoding data in context [F].\n";
-
-          HandleAbort();
-        }
-
-        #ifdef PANIC
-        *logofs << "DecodeBuffer: PANIC! Assertion failed. Error [G] "
-                << "in decodeValue() nextSrc_ = " << (nextSrc_ - buffer_)
-                << " end_ = " << (end_ - buffer_) << ".\n"
-                << logofs_flush;
-        #endif
-
-        cerr << "Error" << ": Failure decoding data in context [G].\n";
-
-        HandleAbort();
-      }
-
-      nextSrcChar = *nextSrc_;
-    }
-  }
-
-  srcMask_ >>= 1;
-
-  if (srcMask_ == 0)
-  {
-    srcMask_ = 0x80;
-    nextSrc_++;
-  }
-
-  if (index == 2)
-  {
-    // Since ProtoStep8 (#issue 108)
-    blockSize = cache.getBlockSize(blockSize);
-
-    if (decodeValue(value, numBits, blockSize, endOkay))
-    {
-      cache.insert(value, IntMask[numBits]);
-
-      return 1;
-    }
-
-    #ifdef PANIC
-    *logofs << "DecodeBuffer: PANIC! Assertion failed. Error [H] "
-            << "in decodeCacheValue() with no value found.\n"
-            << logofs_flush;
-    #endif
-
-    cerr << "Error" << ": Failure decoding data in context [H].\n";
-
-    HandleAbort();
-  }
-  else
-  {
-    if (index > 2)
-    {
-      index--;
-    }
-
-    if (index > cache.getSize())
-    {
-      #ifdef PANIC
-      *logofs << "DecodeBuffer: PANIC! Assertion failed. Error [I] "
-              << "in decodeCachedValue() index = " << index
-              << " cache size = " << cache.getSize() << ".\n"
-              << logofs_flush;
-      #endif
-
-      cerr << "Error" << ": Failure decoding data in context [I].\n";
-
-      HandleAbort();
-    }
-
-    value = cache.get(index);
-
-    return 1;
-  }
-}
-
-int DecodeBuffer::decodeCachedValue(unsigned char &value, unsigned int numBits,
-                                        CharCache &cache, unsigned int blockSize,
-                                            int endOkay)
-{
-  #ifdef DUMP
-  *logofs << "DecodeBuffer: Decoding " << numBits
-          << " bits char cached value with block " << blockSize
-          << " and " << nextSrc_ - buffer_ << " bytes read out of "
-          << end_ - buffer_ << ".\n" << logofs_flush;
-  #endif
-
-  if (nextSrc_ >= end_)
-  {
-    #ifdef TEST
-    *logofs << "DecodeBuffer: End of buffer reached in context [J] with "
-            << nextSrc_ - buffer_ << " bytes read out of "
-            << end_ - buffer_ << ".\n" << logofs_flush;
-    #endif
-
-    return 0;
-  }
-
-  unsigned int index = 0;
-  unsigned char nextSrcChar = *nextSrc_;
-
-  while (!(nextSrcChar & srcMask_))
-  {
-    index++;
-    srcMask_ >>= 1;
-
-    if (srcMask_ == 0)
-    {
-      srcMask_ = 0x80;
-      nextSrc_++;
-
-      if (nextSrc_ >= end_)
-      {
-        if (!endOkay)
-        {
-          #ifdef PANIC
-          *logofs << "DecodeBuffer: PANIC! Assertion failed. Error [K] "
-                  << "in decodeCachedValue() nextSrc_ "
-                  << (nextSrc_ - buffer_) << " end_ " << (end_ - buffer_)
-                  << ".\n" << logofs_flush;
-          #endif
-
-          cerr << "Error" << ": Failure decoding data in context [K].\n";
-
-          HandleAbort();
-        }
-
-        #ifdef TEST
-        *logofs << "DecodeBuffer: End of buffer reached in context [L] with "
-                << nextSrc_ - buffer_ << " bytes read out of "
-                << end_ - buffer_ << ".\n" << logofs_flush;
-        #endif
-
-        return 0;
-      }
-
-      nextSrcChar = *nextSrc_;
-    }
-  }
-
-  srcMask_ >>= 1;
-
-  if (srcMask_ == 0)
-  {
-    srcMask_ = 0x80;
-    nextSrc_++;
-  }
-
-  if (index == 2)
-  {
-    unsigned int temp;
-
-    if (decodeValue(temp, numBits, blockSize, endOkay))
-    {
-      value = (unsigned char) temp;
-
-      cache.insert(value);
-    }
-    else
-    {
-      #ifdef PANIC
-      *logofs << "DecodeBuffer: PANIC! Assertion failed. Error [M] "
-              << "in decodeValue() with index = 2.\n"
-              << logofs_flush;
-      #endif
-
-      cerr << "Error" << ": Failure decoding data in context [M].\n";
-
-      HandleAbort();
-    }
-  }
-  else
-  {
-    if (index > 2)
-    {
-      index--;
-    }
-
-    if (index > cache.getSize())
-    {
-      #ifdef PANIC
-      *logofs << "DecodeBuffer: PANIC! Assertion failed. Error [N] "
-              << "in decodeCachedValue() " << "index = " << index
-              << " cache size = " << cache.getSize() << ".\n"
-              << logofs_flush;
-      #endif
-
-      cerr << "Error" << ": Failure decoding data in context [N].\n";
-
-      HandleAbort();
-    }
-
-    value = cache.get(index);
-  }
-
-  return 1;
-}
-
-//
-// Simply returns a pointer to the correct spot in
-// the internal buffer. If the caller needs this
-// data to last beyond the lifetime of the internal
-// buffer, it must copy the data in its own memory.
-//
-
-const unsigned char *DecodeBuffer::decodeMemory(unsigned int numBytes)
-{
-  #ifdef DUMP
-  *logofs << "DecodeBuffer: Decoding " << numBytes
-          << " bytes of memory with " << (nextSrc_ - buffer_)
-          << " bytes in buffer.\n" << logofs_flush;
-  #endif
-
-  const unsigned char *result;     
-
-  //
-  // Force ourselves to a byte boundary.
-  // Is up to application to ensure data
-  // is word alligned when needed.
-  //
-
-  if (srcMask_ != 0x80)
-  {
-    srcMask_ = 0x80;
-    nextSrc_++;
-  }
-
-  result = nextSrc_;
-
-  if (numBytes > DECODE_BUFFER_OVERFLOW_SIZE)
-  {
-    #ifdef PANIC
-    *logofs << "DecodeBuffer: PANIC! Can't decode a buffer of "
-            << numBytes << " bytes with limit set to "
-            << DECODE_BUFFER_OVERFLOW_SIZE << ".\n"
-            << logofs_flush;
-
-    *logofs << "DecodeBuffer: PANIC! Assuming failure decoding "
-            << "data in context [O].\n" << logofs_flush;
-    #endif
-
-    cerr << "Error" << ": Should never decode buffer of size "
-         << "greater than " << DECODE_BUFFER_OVERFLOW_SIZE
-         << " bytes.\n";
-
-    cerr << "Error" << ": Assuming failure decoding data in "
-         << "context [O].\n";
-
-    HandleAbort();
-  }
-  else if (end_ - nextSrc_ < (int) numBytes)
-  {
-    #ifdef PANIC
-    *logofs << "DecodeBuffer: PANIC! Assertion failed. Error [P] "
-            << "in decodeMemory() " << "with length " << numBytes
-            << " and " << (end_ - nextSrc_)
-            << " bytes remaining.\n" << logofs_flush;
-    #endif
-
-    cerr << "Error" << ": Failure decoding data in context [P].\n";
-
-    HandleAbort();
-  }
-
-  nextSrc_ += numBytes;
-
-  return result;
-}
-
-void DecodeBuffer::decodeActionValue(unsigned char &value, unsigned short &position,
-                                         ActionCache &cache)
-{
-  unsigned int t;
-
-  decodeCachedValue(t, 15, *(cache.base_[cache.slot_]));
-
-  cache.last_ += t;
-  cache.last_ &= 0x7fff;
-
-  value = cache.last_ >> 13;
-
-  position = cache.last_ & 0x1fff;
-
-  #ifdef DEBUG
-  *logofs << "DecodeBuffer: Decoded value "
-          << (unsigned) value << " and position "
-          << position << " with base " << cache.slot_
-          << ".\n" << logofs_flush;
-  #endif
-
-  #ifdef DEBUG
-  *logofs << "DecodeBuffer: Action block prediction is "
-          << (*(cache.base_[cache.slot_])).getBlockSize(15)
-          << ".\n" << logofs_flush;
-  #endif
-
-  cache.slot_ = (cache.last_ & 0xff);
-}
-
-void DecodeBuffer::decodeNewXidValue(unsigned int &value, unsigned int &lastId,
-                                         IntCache &lastIdCache, IntCache &cache,
-                                             FreeCache &freeCache)
-{
-  decodeCachedValue(value, 29, lastIdCache);
-
-  lastId += (value + 1);
-  lastId &= 0x1fffffff;
-
-  value = lastId;
-
-  cache.push(value, 0x1fffffff);
-
-  freeCache.push(value, 0x1fffffff);
-}
-
-void DecodeBuffer::decodeNewXidValue(unsigned int &value, unsigned int &lastId,
-                                         IntCache &lastIdCache, XidCache &cache,
-                                             FreeCache &freeCache)
-{
-  decodeCachedValue(value, 29, lastIdCache);
-
-  #ifdef DEBUG
-  *logofs << "DecodeBuffer: Decoded new Xid difference "
-          << value << ".\n" << logofs_flush;
-  #endif
-
-  lastId += (value + 1);
-  lastId &= 0x1fffffff;
-
-  value = lastId;
-
-  unsigned int t = (value - cache.last_);
-
-  cache.last_ = value;
-
-  #ifdef DEBUG
-  *logofs << "DecodeBuffer: Decoded 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, 0x1fffffff);
-}
-
-void DecodeBuffer::decodeXidValue(unsigned int &value, XidCache &cache)
-{
-  unsigned int t;
-
-  decodeCachedValue(t, 29, *(cache.base_[cache.slot_]));
-
-  cache.last_ += t;
-  cache.last_ &= 0x1fffffff;
-
-  value = cache.last_;
-
-  #ifdef DEBUG
-  *logofs << "DecodeBuffer: Decoded Xid " << value
-          << " with base " << cache.slot_ << ".\n"
-          << logofs_flush;
-  #endif
-
-  cache.slot_ = (value & 0xff);
-
-  #ifdef DEBUG
-  *logofs << "DecodeBuffer: Xid block prediction is "
-          << (*(cache.base_[cache.slot_])).getBlockSize(29)
-          << ".\n" << logofs_flush;
-  #endif
-}
-
-void DecodeBuffer::decodeFreeXidValue(unsigned int &value, FreeCache &cache)
-{
-  decodeCachedValue(value, 29, cache);
-}
-