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Posted to common-commits@hadoop.apache.org by cu...@apache.org on 2007/05/16 21:23:53 UTC

svn commit: r538693 [6/20] - in /lucene/hadoop/trunk: ./ bin/ src/c++/pipes/ src/c++/pipes/api/ src/c++/pipes/api/hadoop/ src/c++/pipes/impl/ src/c++/utils/ src/c++/utils/api/ src/c++/utils/api/hadoop/ src/c++/utils/impl/ src/c++/utils/m4/ src/examples...

Added: lucene/hadoop/trunk/src/c++/pipes/configure.ac
URL: http://svn.apache.org/viewvc/lucene/hadoop/trunk/src/c%2B%2B/pipes/configure.ac?view=auto&rev=538693
==============================================================================
--- lucene/hadoop/trunk/src/c++/pipes/configure.ac (added)
+++ lucene/hadoop/trunk/src/c++/pipes/configure.ac Wed May 16 12:23:48 2007
@@ -0,0 +1,53 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+#                                               -*- Autoconf -*-
+# Process this file with autoconf to produce a configure script.
+
+AC_PREREQ(2.59)
+AC_INIT(hadoop-pipes, 0.13.0, omalley@apache.org)
+
+AM_INIT_AUTOMAKE([subdir-objects foreign no-dist])
+
+AC_CONFIG_SRCDIR([impl/HadoopPipes.cc])
+AC_CONFIG_HEADER([impl/config.h])
+AC_CONFIG_FILES([Makefile])
+
+AC_PREFIX_DEFAULT(`pwd`/../install)
+
+USE_HADOOP_UTILS
+CHECK_INSTALL_CFLAG
+
+# Checks for programs.
+AC_PROG_CXX
+AC_PROG_LIBTOOL
+
+# Checks for libraries.
+
+# Checks for header files.
+AC_LANG(C++)
+AC_CHECK_HEADERS([unistd.h])
+
+# Checks for typedefs, structures, and compiler characteristics.
+AC_HEADER_STDBOOL
+AC_C_CONST
+AC_TYPE_OFF_T
+AC_TYPE_SIZE_T
+AC_FUNC_STRERROR_R
+
+# Checks for library functions.
+AC_CHECK_FUNCS([mkdir uname])
+AC_OUTPUT

Added: lucene/hadoop/trunk/src/c++/pipes/depcomp
URL: http://svn.apache.org/viewvc/lucene/hadoop/trunk/src/c%2B%2B/pipes/depcomp?view=auto&rev=538693
==============================================================================
--- lucene/hadoop/trunk/src/c++/pipes/depcomp (added)
+++ lucene/hadoop/trunk/src/c++/pipes/depcomp Wed May 16 12:23:48 2007
@@ -0,0 +1,522 @@
+#! /bin/sh
+# depcomp - compile a program generating dependencies as side-effects
+
+scriptversion=2004-05-31.23
+
+# Copyright (C) 1999, 2000, 2003, 2004 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+# 02111-1307, USA.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# Originally written by Alexandre Oliva <ol...@dcc.unicamp.br>.
+
+case $1 in
+  '')
+     echo "$0: No command.  Try \`$0 --help' for more information." 1>&2
+     exit 1;
+     ;;
+  -h | --h*)
+    cat <<\EOF
+Usage: depcomp [--help] [--version] PROGRAM [ARGS]
+
+Run PROGRAMS ARGS to compile a file, generating dependencies
+as side-effects.
+
+Environment variables:
+  depmode     Dependency tracking mode.
+  source      Source file read by `PROGRAMS ARGS'.
+  object      Object file output by `PROGRAMS ARGS'.
+  DEPDIR      directory where to store dependencies.
+  depfile     Dependency file to output.
+  tmpdepfile  Temporary file to use when outputing dependencies.
+  libtool     Whether libtool is used (yes/no).
+
+Report bugs to <bu...@gnu.org>.
+EOF
+    exit 0
+    ;;
+  -v | --v*)
+    echo "depcomp $scriptversion"
+    exit 0
+    ;;
+esac
+
+if test -z "$depmode" || test -z "$source" || test -z "$object"; then
+  echo "depcomp: Variables source, object and depmode must be set" 1>&2
+  exit 1
+fi
+
+# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
+depfile=${depfile-`echo "$object" |
+  sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
+tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
+
+rm -f "$tmpdepfile"
+
+# Some modes work just like other modes, but use different flags.  We
+# parameterize here, but still list the modes in the big case below,
+# to make depend.m4 easier to write.  Note that we *cannot* use a case
+# here, because this file can only contain one case statement.
+if test "$depmode" = hp; then
+  # HP compiler uses -M and no extra arg.
+  gccflag=-M
+  depmode=gcc
+fi
+
+if test "$depmode" = dashXmstdout; then
+   # This is just like dashmstdout with a different argument.
+   dashmflag=-xM
+   depmode=dashmstdout
+fi
+
+case "$depmode" in
+gcc3)
+## gcc 3 implements dependency tracking that does exactly what
+## we want.  Yay!  Note: for some reason libtool 1.4 doesn't like
+## it if -MD -MP comes after the -MF stuff.  Hmm.
+  "$@" -MT "$object" -MD -MP -MF "$tmpdepfile"
+  stat=$?
+  if test $stat -eq 0; then :
+  else
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  mv "$tmpdepfile" "$depfile"
+  ;;
+
+gcc)
+## There are various ways to get dependency output from gcc.  Here's
+## why we pick this rather obscure method:
+## - Don't want to use -MD because we'd like the dependencies to end
+##   up in a subdir.  Having to rename by hand is ugly.
+##   (We might end up doing this anyway to support other compilers.)
+## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
+##   -MM, not -M (despite what the docs say).
+## - Using -M directly means running the compiler twice (even worse
+##   than renaming).
+  if test -z "$gccflag"; then
+    gccflag=-MD,
+  fi
+  "$@" -Wp,"$gccflag$tmpdepfile"
+  stat=$?
+  if test $stat -eq 0; then :
+  else
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+  echo "$object : \\" > "$depfile"
+  alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
+## The second -e expression handles DOS-style file names with drive letters.
+  sed -e 's/^[^:]*: / /' \
+      -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
+## This next piece of magic avoids the `deleted header file' problem.
+## The problem is that when a header file which appears in a .P file
+## is deleted, the dependency causes make to die (because there is
+## typically no way to rebuild the header).  We avoid this by adding
+## dummy dependencies for each header file.  Too bad gcc doesn't do
+## this for us directly.
+  tr ' ' '
+' < "$tmpdepfile" |
+## Some versions of gcc put a space before the `:'.  On the theory
+## that the space means something, we add a space to the output as
+## well.
+## Some versions of the HPUX 10.20 sed can't process this invocation
+## correctly.  Breaking it into two sed invocations is a workaround.
+    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+hp)
+  # This case exists only to let depend.m4 do its work.  It works by
+  # looking at the text of this script.  This case will never be run,
+  # since it is checked for above.
+  exit 1
+  ;;
+
+sgi)
+  if test "$libtool" = yes; then
+    "$@" "-Wp,-MDupdate,$tmpdepfile"
+  else
+    "$@" -MDupdate "$tmpdepfile"
+  fi
+  stat=$?
+  if test $stat -eq 0; then :
+  else
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+
+  if test -f "$tmpdepfile"; then  # yes, the sourcefile depend on other files
+    echo "$object : \\" > "$depfile"
+
+    # Clip off the initial element (the dependent).  Don't try to be
+    # clever and replace this with sed code, as IRIX sed won't handle
+    # lines with more than a fixed number of characters (4096 in
+    # IRIX 6.2 sed, 8192 in IRIX 6.5).  We also remove comment lines;
+    # the IRIX cc adds comments like `#:fec' to the end of the
+    # dependency line.
+    tr ' ' '
+' < "$tmpdepfile" \
+    | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \
+    tr '
+' ' ' >> $depfile
+    echo >> $depfile
+
+    # The second pass generates a dummy entry for each header file.
+    tr ' ' '
+' < "$tmpdepfile" \
+   | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
+   >> $depfile
+  else
+    # The sourcefile does not contain any dependencies, so just
+    # store a dummy comment line, to avoid errors with the Makefile
+    # "include basename.Plo" scheme.
+    echo "#dummy" > "$depfile"
+  fi
+  rm -f "$tmpdepfile"
+  ;;
+
+aix)
+  # The C for AIX Compiler uses -M and outputs the dependencies
+  # in a .u file.  In older versions, this file always lives in the
+  # current directory.  Also, the AIX compiler puts `$object:' at the
+  # start of each line; $object doesn't have directory information.
+  # Version 6 uses the directory in both cases.
+  stripped=`echo "$object" | sed 's/\(.*\)\..*$/\1/'`
+  tmpdepfile="$stripped.u"
+  if test "$libtool" = yes; then
+    "$@" -Wc,-M
+  else
+    "$@" -M
+  fi
+  stat=$?
+
+  if test -f "$tmpdepfile"; then :
+  else
+    stripped=`echo "$stripped" | sed 's,^.*/,,'`
+    tmpdepfile="$stripped.u"
+  fi
+
+  if test $stat -eq 0; then :
+  else
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+
+  if test -f "$tmpdepfile"; then
+    outname="$stripped.o"
+    # Each line is of the form `foo.o: dependent.h'.
+    # Do two passes, one to just change these to
+    # `$object: dependent.h' and one to simply `dependent.h:'.
+    sed -e "s,^$outname:,$object :," < "$tmpdepfile" > "$depfile"
+    sed -e "s,^$outname: \(.*\)$,\1:," < "$tmpdepfile" >> "$depfile"
+  else
+    # The sourcefile does not contain any dependencies, so just
+    # store a dummy comment line, to avoid errors with the Makefile
+    # "include basename.Plo" scheme.
+    echo "#dummy" > "$depfile"
+  fi
+  rm -f "$tmpdepfile"
+  ;;
+
+icc)
+  # Intel's C compiler understands `-MD -MF file'.  However on
+  #    icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c
+  # ICC 7.0 will fill foo.d with something like
+  #    foo.o: sub/foo.c
+  #    foo.o: sub/foo.h
+  # which is wrong.  We want:
+  #    sub/foo.o: sub/foo.c
+  #    sub/foo.o: sub/foo.h
+  #    sub/foo.c:
+  #    sub/foo.h:
+  # ICC 7.1 will output
+  #    foo.o: sub/foo.c sub/foo.h
+  # and will wrap long lines using \ :
+  #    foo.o: sub/foo.c ... \
+  #     sub/foo.h ... \
+  #     ...
+
+  "$@" -MD -MF "$tmpdepfile"
+  stat=$?
+  if test $stat -eq 0; then :
+  else
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+  # Each line is of the form `foo.o: dependent.h',
+  # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
+  # Do two passes, one to just change these to
+  # `$object: dependent.h' and one to simply `dependent.h:'.
+  sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
+  # Some versions of the HPUX 10.20 sed can't process this invocation
+  # correctly.  Breaking it into two sed invocations is a workaround.
+  sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" |
+    sed -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+tru64)
+   # The Tru64 compiler uses -MD to generate dependencies as a side
+   # effect.  `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.
+   # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
+   # dependencies in `foo.d' instead, so we check for that too.
+   # Subdirectories are respected.
+   dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
+   test "x$dir" = "x$object" && dir=
+   base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
+
+   if test "$libtool" = yes; then
+      # Dependencies are output in .lo.d with libtool 1.4.
+      # With libtool 1.5 they are output both in $dir.libs/$base.o.d
+      # and in $dir.libs/$base.o.d and $dir$base.o.d.  We process the
+      # latter, because the former will be cleaned when $dir.libs is
+      # erased.
+      tmpdepfile1="$dir.libs/$base.lo.d"
+      tmpdepfile2="$dir$base.o.d"
+      tmpdepfile3="$dir.libs/$base.d"
+      "$@" -Wc,-MD
+   else
+      tmpdepfile1="$dir$base.o.d"
+      tmpdepfile2="$dir$base.d"
+      tmpdepfile3="$dir$base.d"
+      "$@" -MD
+   fi
+
+   stat=$?
+   if test $stat -eq 0; then :
+   else
+      rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
+      exit $stat
+   fi
+
+   if test -f "$tmpdepfile1"; then
+      tmpdepfile="$tmpdepfile1"
+   elif test -f "$tmpdepfile2"; then
+      tmpdepfile="$tmpdepfile2"
+   else
+      tmpdepfile="$tmpdepfile3"
+   fi
+   if test -f "$tmpdepfile"; then
+      sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
+      # That's a tab and a space in the [].
+      sed -e 's,^.*\.[a-z]*:[	 ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
+   else
+      echo "#dummy" > "$depfile"
+   fi
+   rm -f "$tmpdepfile"
+   ;;
+
+#nosideeffect)
+  # This comment above is used by automake to tell side-effect
+  # dependency tracking mechanisms from slower ones.
+
+dashmstdout)
+  # Important note: in order to support this mode, a compiler *must*
+  # always write the preprocessed file to stdout, regardless of -o.
+  "$@" || exit $?
+
+  # Remove the call to Libtool.
+  if test "$libtool" = yes; then
+    while test $1 != '--mode=compile'; do
+      shift
+    done
+    shift
+  fi
+
+  # Remove `-o $object'.
+  IFS=" "
+  for arg
+  do
+    case $arg in
+    -o)
+      shift
+      ;;
+    $object)
+      shift
+      ;;
+    *)
+      set fnord "$@" "$arg"
+      shift # fnord
+      shift # $arg
+      ;;
+    esac
+  done
+
+  test -z "$dashmflag" && dashmflag=-M
+  # Require at least two characters before searching for `:'
+  # in the target name.  This is to cope with DOS-style filenames:
+  # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise.
+  "$@" $dashmflag |
+    sed 's:^[  ]*[^: ][^:][^:]*\:[    ]*:'"$object"'\: :' > "$tmpdepfile"
+  rm -f "$depfile"
+  cat < "$tmpdepfile" > "$depfile"
+  tr ' ' '
+' < "$tmpdepfile" | \
+## Some versions of the HPUX 10.20 sed can't process this invocation
+## correctly.  Breaking it into two sed invocations is a workaround.
+    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+dashXmstdout)
+  # This case only exists to satisfy depend.m4.  It is never actually
+  # run, as this mode is specially recognized in the preamble.
+  exit 1
+  ;;
+
+makedepend)
+  "$@" || exit $?
+  # Remove any Libtool call
+  if test "$libtool" = yes; then
+    while test $1 != '--mode=compile'; do
+      shift
+    done
+    shift
+  fi
+  # X makedepend
+  shift
+  cleared=no
+  for arg in "$@"; do
+    case $cleared in
+    no)
+      set ""; shift
+      cleared=yes ;;
+    esac
+    case "$arg" in
+    -D*|-I*)
+      set fnord "$@" "$arg"; shift ;;
+    # Strip any option that makedepend may not understand.  Remove
+    # the object too, otherwise makedepend will parse it as a source file.
+    -*|$object)
+      ;;
+    *)
+      set fnord "$@" "$arg"; shift ;;
+    esac
+  done
+  obj_suffix="`echo $object | sed 's/^.*\././'`"
+  touch "$tmpdepfile"
+  ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
+  rm -f "$depfile"
+  cat < "$tmpdepfile" > "$depfile"
+  sed '1,2d' "$tmpdepfile" | tr ' ' '
+' | \
+## Some versions of the HPUX 10.20 sed can't process this invocation
+## correctly.  Breaking it into two sed invocations is a workaround.
+    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile" "$tmpdepfile".bak
+  ;;
+
+cpp)
+  # Important note: in order to support this mode, a compiler *must*
+  # always write the preprocessed file to stdout.
+  "$@" || exit $?
+
+  # Remove the call to Libtool.
+  if test "$libtool" = yes; then
+    while test $1 != '--mode=compile'; do
+      shift
+    done
+    shift
+  fi
+
+  # Remove `-o $object'.
+  IFS=" "
+  for arg
+  do
+    case $arg in
+    -o)
+      shift
+      ;;
+    $object)
+      shift
+      ;;
+    *)
+      set fnord "$@" "$arg"
+      shift # fnord
+      shift # $arg
+      ;;
+    esac
+  done
+
+  "$@" -E |
+    sed -n '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' |
+    sed '$ s: \\$::' > "$tmpdepfile"
+  rm -f "$depfile"
+  echo "$object : \\" > "$depfile"
+  cat < "$tmpdepfile" >> "$depfile"
+  sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+msvisualcpp)
+  # Important note: in order to support this mode, a compiler *must*
+  # always write the preprocessed file to stdout, regardless of -o,
+  # because we must use -o when running libtool.
+  "$@" || exit $?
+  IFS=" "
+  for arg
+  do
+    case "$arg" in
+    "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
+	set fnord "$@"
+	shift
+	shift
+	;;
+    *)
+	set fnord "$@" "$arg"
+	shift
+	shift
+	;;
+    esac
+  done
+  "$@" -E |
+  sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile"
+  rm -f "$depfile"
+  echo "$object : \\" > "$depfile"
+  . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::	\1 \\:p' >> "$depfile"
+  echo "	" >> "$depfile"
+  . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+none)
+  exec "$@"
+  ;;
+
+*)
+  echo "Unknown depmode $depmode" 1>&2
+  exit 1
+  ;;
+esac
+
+exit 0
+
+# Local Variables:
+# mode: shell-script
+# sh-indentation: 2
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-end: "$"
+# End:

Added: lucene/hadoop/trunk/src/c++/pipes/impl/HadoopPipes.cc
URL: http://svn.apache.org/viewvc/lucene/hadoop/trunk/src/c%2B%2B/pipes/impl/HadoopPipes.cc?view=auto&rev=538693
==============================================================================
--- lucene/hadoop/trunk/src/c++/pipes/impl/HadoopPipes.cc (added)
+++ lucene/hadoop/trunk/src/c++/pipes/impl/HadoopPipes.cc Wed May 16 12:23:48 2007
@@ -0,0 +1,915 @@
+#include "hadoop/Pipes.hh"
+#include "hadoop/SerialUtils.hh"
+#include "hadoop/StringUtils.hh"
+
+#include <map>
+#include <vector>
+
+#include <errno.h>
+#include <netinet/in.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <strings.h>
+#include <sys/socket.h>
+
+using std::map;
+using std::string;
+using std::vector;
+
+using namespace HadoopUtils;
+
+namespace HadoopPipes {
+
+  class JobConfImpl: public JobConf {
+  private:
+    map<string, string> values;
+  public:
+    void set(const string& key, const string& value) {
+      values[key] = value;
+    }
+
+    virtual bool hasKey(const string& key) const {
+      return values.find(key) != values.end();
+    }
+
+    virtual const string& get(const string& key) const {
+      map<string,string>::const_iterator itr = values.find(key);
+      if (itr == values.end()) {
+        throw Error("Key " + key + " not found in JobConf");
+      }
+      return itr->second;
+    }
+
+    virtual int getInt(const string& key) const {
+      const string& val = get(key);
+      return toInt(val);
+    }
+
+    virtual float getFloat(const string& key) const {
+      const string& val = get(key);
+      return toFloat(val);
+    }
+
+    virtual bool getBoolean(const string&key) const {
+      const string& val = get(key);
+      return toBool(val);
+    }
+  };
+
+  class DownwardProtocol {
+  public:
+    virtual void start(int protocol) = 0;
+    virtual void setJobConf(vector<string> values) = 0;
+    virtual void setInputTypes(string keyType, string valueType) = 0;
+    virtual void runMap(string inputSplit, int numReduces, bool pipedInput)= 0;
+    virtual void mapItem(const string& key, const string& value) = 0;
+    virtual void runReduce(int reduce, bool pipedOutput) = 0;
+    virtual void reduceKey(const string& key) = 0;
+    virtual void reduceValue(const string& value) = 0;
+    virtual void close() = 0;
+    virtual void abort() = 0;
+    virtual ~DownwardProtocol() {}
+  };
+
+  class UpwardProtocol {
+  public:
+    virtual void output(const string& key, const string& value) = 0;
+    virtual void partitionedOutput(int reduce, const string& key,
+                                   const string& value) = 0;
+    virtual void status(const string& message) = 0;
+    virtual void progress(float progress) = 0;
+    virtual void done() = 0;
+    virtual ~UpwardProtocol() {}
+  };
+
+  class Protocol {
+  public:
+    virtual void nextEvent() = 0;
+    virtual UpwardProtocol* getUplink() = 0;
+    virtual ~Protocol() {}
+  };
+
+  class TextUpwardProtocol: public UpwardProtocol {
+  private:
+    FILE* stream;
+    static const char fieldSeparator = '\t';
+    static const char lineSeparator = '\n';
+
+    void writeBuffer(const string& buffer) {
+      fprintf(stream, quoteString(buffer, "\t\n").c_str());
+    }
+
+  public:
+    TextUpwardProtocol(FILE* _stream): stream(_stream) {}
+    
+    virtual void output(const string& key, const string& value) {
+      fprintf(stream, "output%c", fieldSeparator);
+      writeBuffer(key);
+      fprintf(stream, "%c", fieldSeparator);
+      writeBuffer(value);
+      fprintf(stream, "%c", lineSeparator);
+    }
+
+    virtual void partitionedOutput(int reduce, const string& key,
+                                   const string& value) {
+      fprintf(stream, "parititionedOutput%c%d%c", fieldSeparator, reduce, 
+              fieldSeparator);
+      writeBuffer(key);
+      fprintf(stream, "%c", fieldSeparator);
+      writeBuffer(value);
+      fprintf(stream, "%c", lineSeparator);
+    }
+
+    virtual void status(const string& message) {
+      fprintf(stream, "status%c%s%c", fieldSeparator, message.c_str(), 
+              lineSeparator);
+    }
+
+    virtual void progress(float progress) {
+      fprintf(stream, "progress%c%f%c", fieldSeparator, progress, 
+              lineSeparator);
+    }
+
+    virtual void done() {
+      fprintf(stream, "done%c", lineSeparator);
+    }
+  };
+
+  class TextProtocol: public Protocol {
+  private:
+    FILE* downStream;
+    DownwardProtocol* handler;
+    UpwardProtocol* uplink;
+    string key;
+    string value;
+
+    int readUpto(string& buffer, const char* limit) {
+      int ch;
+      buffer.clear();
+      while ((ch = getc(downStream)) != -1) {
+        if (strchr(limit, ch) != NULL) {
+          return ch;
+        }
+        buffer += ch;
+      }
+      return -1;
+    }
+
+    static const char* delim;
+  public:
+
+    TextProtocol(FILE* down, DownwardProtocol* _handler, FILE* up) {
+      downStream = down;
+      uplink = new TextUpwardProtocol(up);
+      handler = _handler;
+    }
+
+    UpwardProtocol* getUplink() {
+      return uplink;
+    }
+
+    virtual void nextEvent() {
+      string command;
+      string arg;
+      int sep;
+      sep = readUpto(command, delim);
+      if (command == "mapItem") {
+        HADOOP_ASSERT(sep == '\t', "Short text protocol command " + command);
+        sep = readUpto(key, delim);
+        HADOOP_ASSERT(sep == '\t', "Short text protocol command " + command);
+        sep = readUpto(value, delim);
+        HADOOP_ASSERT(sep == '\n', "Long text protocol command " + command);
+        handler->mapItem(key, value);
+      } else if (command == "reduceValue") {
+        HADOOP_ASSERT(sep == '\t', "Short text protocol command " + command);
+        sep = readUpto(value, delim);
+        HADOOP_ASSERT(sep == '\n', "Long text protocol command " + command);
+        handler->reduceValue(value);
+      } else if (command == "reduceKey") {
+        HADOOP_ASSERT(sep == '\t', "Short text protocol command " + command);
+        sep = readUpto(key, delim);
+        HADOOP_ASSERT(sep == '\n', "Long text protocol command " + command);
+        handler->reduceKey(key);
+      } else if (command == "start") {
+        HADOOP_ASSERT(sep == '\t', "Short text protocol command " + command);
+        sep = readUpto(arg, delim);
+        HADOOP_ASSERT(sep == '\n', "Long text protocol command " + command);
+        handler->start(toInt(arg));
+      } else if (command == "setJobConf") {
+        HADOOP_ASSERT(sep == '\t', "Short text protocol command " + command);
+        sep = readUpto(arg, delim);
+        int len = toInt(arg);
+        vector<string> values(len);
+        for(int i=0; i < len; ++i) {
+          HADOOP_ASSERT(sep == '\t', "Short text protocol command " + command);
+          sep = readUpto(arg, delim);
+          values.push_back(arg);
+        }
+        HADOOP_ASSERT(sep == '\n', "Long text protocol command " + command);
+        handler->setJobConf(values);
+      } else if (command == "setInputTypes") {
+        HADOOP_ASSERT(sep == '\t', "Short text protocol command " + command);
+        sep = readUpto(key, delim);
+        HADOOP_ASSERT(sep == '\t', "Short text protocol command " + command);
+        sep = readUpto(value, delim);
+        HADOOP_ASSERT(sep == '\n', "Long text protocol command " + command);
+        handler->setInputTypes(key, value);
+      } else if (command == "runMap") {
+        string split;
+        HADOOP_ASSERT(sep == '\t', "Short text protocol command " + command);
+        sep = readUpto(split, delim);
+        string reduces;
+        HADOOP_ASSERT(sep == '\t', "Short text protocol command " + command);
+        sep = readUpto(reduces, delim);
+        HADOOP_ASSERT(sep == '\t', "Short text protocol command " + command);
+        sep = readUpto(arg, delim);
+        HADOOP_ASSERT(sep == '\n', "Long text protocol command " + command);
+        handler->runMap(split, toInt(reduces), toBool(arg));
+      } else if (command == "runReduce") {
+        HADOOP_ASSERT(sep == '\t', "Short text protocol command " + command);
+        sep = readUpto(arg, delim);
+        HADOOP_ASSERT(sep == '\t', "Short text protocol command " + command);
+        string piped;
+        sep = readUpto(piped, delim);
+        HADOOP_ASSERT(sep == '\n', "Long text protocol command " + command);
+        handler->runReduce(toInt(arg), toBool(piped));
+      } else if (command == "abort") { 
+        HADOOP_ASSERT(sep == '\n', "Long text protocol command " + command);
+        handler->abort();
+      } else if (command == "close") {
+        HADOOP_ASSERT(sep == '\n', "Long text protocol command " + command);
+        handler->close();
+      } else {
+        throw Error("Illegal text protocol command " + command);
+      }
+    }
+
+    ~TextProtocol() {
+      delete uplink;
+    }
+  };
+  const char* TextProtocol::delim = "\t\n";
+
+  enum MESSAGE_TYPE {START_MESSAGE, SET_JOB_CONF, SET_INPUT_TYPES, RUN_MAP, 
+                     MAP_ITEM, RUN_REDUCE, REDUCE_KEY, REDUCE_VALUE, 
+                     CLOSE, ABORT,
+                     OUTPUT=50, PARTITIONED_OUTPUT, STATUS, PROGRESS, DONE};
+
+  class BinaryUpwardProtocol: public UpwardProtocol {
+  private:
+    FileOutStream* stream;
+  public:
+    BinaryUpwardProtocol(FILE* _stream) {
+      stream = new FileOutStream();
+      HADOOP_ASSERT(stream->open(_stream), "problem opening stream");
+    }
+
+    virtual void output(const string& key, const string& value) {
+      serializeInt(OUTPUT, *stream);
+      serializeString(key, *stream);
+      serializeString(value, *stream);
+    }
+
+    virtual void partitionedOutput(int reduce, const string& key,
+                                   const string& value) {
+      serializeInt(PARTITIONED_OUTPUT, *stream);
+      serializeInt(reduce, *stream);
+      serializeString(key, *stream);
+      serializeString(value, *stream);
+    }
+
+    virtual void status(const string& message) {
+      serializeInt(STATUS, *stream);
+      serializeString(message, *stream);
+    }
+
+    virtual void progress(float progress) {
+      serializeInt(PROGRESS, *stream);
+      serializeFloat(progress, *stream);
+    }
+
+    virtual void done() {
+      serializeInt(DONE, *stream);
+    }
+
+    ~BinaryUpwardProtocol() {
+      delete stream;
+    }
+  };
+
+  class BinaryProtocol: public Protocol {
+  private:
+    FileInStream* downStream;
+    DownwardProtocol* handler;
+    BinaryUpwardProtocol * uplink;
+    string key;
+    string value;
+
+  public:
+    BinaryProtocol(FILE* down, DownwardProtocol* _handler, FILE* up) {
+      downStream = new FileInStream();
+      downStream->open(down);
+      uplink = new BinaryUpwardProtocol(up);
+      handler = _handler;
+    }
+
+    UpwardProtocol* getUplink() {
+      return uplink;
+    }
+
+    virtual void nextEvent() {
+      int32_t cmd;
+      cmd = deserializeInt(*downStream);
+      switch (cmd) {
+      case START_MESSAGE: {
+        int32_t prot;
+        prot = deserializeInt(*downStream);
+        handler->start(prot);
+        break;
+      }
+      case SET_JOB_CONF: {
+        int32_t entries;
+        entries = deserializeInt(*downStream);
+        vector<string> result(entries);
+        for(int i=0; i < entries; ++i) {
+          string item;
+          deserializeString(item, *downStream);
+          result.push_back(item);
+        }
+        handler->setJobConf(result);
+        break;
+      }
+      case SET_INPUT_TYPES: {
+        string keyType;
+        string valueType;
+        deserializeString(keyType, *downStream);
+        deserializeString(valueType, *downStream);
+        handler->setInputTypes(keyType, valueType);
+        break;
+      }
+      case RUN_MAP: {
+        string split;
+        int32_t numReduces;
+        int32_t piped;
+        deserializeString(split, *downStream);
+        numReduces = deserializeInt(*downStream);
+        piped = deserializeInt(*downStream);
+        handler->runMap(split, numReduces, piped);
+        break;
+      }
+      case MAP_ITEM: {
+        deserializeString(key, *downStream);
+        deserializeString(value, *downStream);
+        handler->mapItem(key, value);
+        break;
+      }
+      case RUN_REDUCE: {
+        int32_t reduce;
+        int32_t piped;
+        reduce = deserializeInt(*downStream);
+        piped = deserializeInt(*downStream);
+        handler->runReduce(reduce, piped);
+        break;
+      }
+      case REDUCE_KEY: {
+        deserializeString(key, *downStream);
+        handler->reduceKey(key);
+        break;
+      }
+      case REDUCE_VALUE: {
+        deserializeString(value, *downStream);
+        handler->reduceValue(value);
+        break;
+      }
+      case CLOSE:
+        handler->close();
+        break;
+      case ABORT:
+        handler->abort();
+        break;
+      default:
+        HADOOP_ASSERT(false, "Unknown binary command " + toString(cmd));
+      }
+    }
+
+    virtual ~BinaryProtocol() {
+      delete downStream;
+      delete uplink;
+    }
+  };
+
+  /**
+   * Define a context object to give to combiners that will let them
+   * go through the values and emit their results correctly.
+   */
+  class CombineContext: public ReduceContext {
+  private:
+    ReduceContext* baseContext;
+    Partitioner* partitioner;
+    int numReduces;
+    UpwardProtocol* uplink;
+    bool firstKey;
+    bool firstValue;
+    map<string, vector<string> >::iterator keyItr;
+    map<string, vector<string> >::iterator endKeyItr;
+    vector<string>::iterator valueItr;
+    vector<string>::iterator endValueItr;
+
+  public:
+    CombineContext(ReduceContext* _baseContext,
+                   Partitioner* _partitioner,
+                   int _numReduces,
+                   UpwardProtocol* _uplink,
+                   map<string, vector<string> >& data) {
+      baseContext = _baseContext;
+      partitioner = _partitioner;
+      numReduces = _numReduces;
+      uplink = _uplink;
+      keyItr = data.begin();
+      endKeyItr = data.end();
+      firstKey = true;
+      firstValue = true;
+    }
+
+    virtual const JobConf* getJobConf() {
+      return baseContext->getJobConf();
+    }
+
+    virtual const std::string& getInputKey() {
+      return keyItr->first;
+    }
+
+    virtual const std::string& getInputValue() {
+      return *valueItr;
+    }
+
+    virtual void emit(const std::string& key, const std::string& value) {
+      if (partitioner != NULL) {
+        uplink->partitionedOutput(partitioner->partition(key, numReduces),
+                                  key, value);
+      } else {
+        uplink->output(key, value);
+      }
+    }
+
+    virtual void progress() {
+      baseContext->progress();
+    }
+
+    virtual void setStatus(const std::string& status) {
+      baseContext->setStatus(status);
+    }
+
+    bool nextKey() {
+      if (firstKey) {
+        firstKey = false;
+      } else {
+        ++keyItr;
+      }
+      if (keyItr != endKeyItr) {
+        valueItr = keyItr->second.begin();
+        endValueItr = keyItr->second.end();
+        firstValue = true;
+        return true;
+      }
+      return false;
+    }
+
+    virtual bool nextValue() {
+      if (firstValue) {
+        firstValue = false;
+      } else {
+        ++valueItr;
+      }
+      return valueItr != endValueItr;
+    }
+    
+  };
+
+  /**
+   * A RecordWriter that will take the map outputs, buffer them up and then
+   * combine then when the buffer is full.
+   */
+  class CombineRunner: public RecordWriter {
+  private:
+    map<string, vector<string> > data;
+    int64_t spillSize;
+    int64_t numBytes;
+    ReduceContext* baseContext;
+    Partitioner* partitioner;
+    int numReduces;
+    UpwardProtocol* uplink;
+    Reducer* combiner;
+  public:
+    CombineRunner(int64_t _spillSize, ReduceContext* _baseContext, 
+                  Reducer* _combiner, UpwardProtocol* _uplink, 
+                  Partitioner* _partitioner, int _numReduces) {
+      numBytes = 0;
+      spillSize = _spillSize;
+      baseContext = _baseContext;
+      partitioner = _partitioner;
+      numReduces = _numReduces;
+      uplink = _uplink;
+      combiner = _combiner;
+    }
+
+    virtual void emit(const std::string& key,
+                      const std::string& value) {
+      numBytes += key.length() + value.length();
+      data[key].push_back(value);
+      if (numBytes >= spillSize) {
+        spillAll();
+      }
+    }
+
+    virtual void close() {
+      spillAll();
+    }
+
+  private:
+    void spillAll() {
+      CombineContext context(baseContext, partitioner, numReduces, 
+                             uplink, data);
+      while (context.nextKey()) {
+        combiner->reduce(context);
+      }
+      data.clear();
+    }
+  };
+
+  class TaskContextImpl: public MapContext, public ReduceContext, 
+                         public DownwardProtocol {
+  private:
+    bool done;
+    JobConf* jobConf;
+    string key;
+    const string* newKey;
+    const string* value;
+    bool hasTask;
+    bool isNewKey;
+    bool isNewValue;
+    string* inputKeyClass;
+    string* inputValueClass;
+    string status;
+    float progressFloat;
+    uint64_t lastProgress;
+    bool statusSet;
+    Protocol* protocol;
+    UpwardProtocol *uplink;
+    string* inputSplit;
+    RecordReader* reader;
+    Mapper* mapper;
+    Reducer* reducer;
+    RecordWriter* writer;
+    Partitioner* partitioner;
+    int numReduces;
+    const Factory* factory;
+
+  public:
+
+    TaskContextImpl(const Factory& _factory) {
+      statusSet = false;
+      done = false;
+      newKey = NULL;
+      factory = &_factory;
+      jobConf = NULL;
+      inputKeyClass = NULL;
+      inputValueClass = NULL;
+      inputSplit = NULL;
+      mapper = NULL;
+      reducer = NULL;
+      reader = NULL;
+      writer = NULL;
+      partitioner = NULL;
+      protocol = NULL;
+      isNewKey = false;
+      isNewValue = false;
+      lastProgress = 0;
+      progressFloat = 0.0f;
+      hasTask = false;
+    }
+
+    void setProtocol(Protocol* _protocol, UpwardProtocol* _uplink) {
+
+      protocol = _protocol;
+      uplink = _uplink;
+    }
+
+    virtual void start(int protocol) {
+      if (protocol != 0) {
+        throw Error("Protocol version " + toString(protocol) + 
+                    " not supported");
+      }
+    }
+
+    virtual void setJobConf(vector<string> values) {
+      int len = values.size();
+      JobConfImpl* result = new JobConfImpl();
+      HADOOP_ASSERT(len % 2 == 0, "Odd length of job conf values");
+      for(int i=0; i < len; i += 2) {
+        result->set(values[i], values[i+1]);
+      }
+      jobConf = result;
+    }
+
+    virtual void setInputTypes(string keyType, string valueType) {
+      inputKeyClass = new string(keyType);
+      inputValueClass = new string(valueType);
+    }
+
+    virtual void runMap(string _inputSplit, int _numReduces, bool pipedInput) {
+      inputSplit = new string(_inputSplit);
+      reader = factory->createRecordReader(*this);
+      HADOOP_ASSERT((reader == NULL) == pipedInput,
+                    pipedInput ? "RecordReader defined when not needed.":
+                    "RecordReader not defined");
+      if (reader != NULL) {
+        value = new string();
+      }
+      mapper = factory->createMapper(*this);
+      reducer = factory->createCombiner(*this);
+      partitioner = factory->createPartitioner(*this);
+      numReduces = _numReduces;
+      if (reducer != NULL) {
+        int64_t spillSize = 100;
+        if (jobConf->hasKey("io.sort.mb")) {
+          spillSize = jobConf->getInt("io.sort.mb");
+        }
+        writer = new CombineRunner(spillSize * 1024 * 1024, this, reducer, 
+                                   uplink, partitioner, numReduces);
+      }
+      hasTask = true;
+    }
+
+    virtual void mapItem(const string& _key, const string& _value) {
+      newKey = &_key;
+      value = &_value;
+      isNewKey = true;
+    }
+
+    virtual void runReduce(int reduce, bool pipedOutput) {
+      reducer = factory->createReducer(*this);
+      writer = factory->createRecordWriter(*this);
+      HADOOP_ASSERT((writer == NULL) == pipedOutput,
+                    pipedOutput ? "RecordWriter defined when not needed.":
+                    "RecordWriter not defined");
+      hasTask = true;
+    }
+
+    virtual void reduceKey(const string& _key) {
+      isNewKey = true;
+      newKey = &_key;
+    }
+
+    virtual void reduceValue(const string& _value) {
+      isNewValue = true;
+      value = &_value;
+    }
+    
+    virtual bool isDone() {
+      return done;
+    }
+
+    virtual void close() {
+      done = true;
+    }
+
+    virtual void abort() {
+      throw Error("Aborted by driver");
+    }
+
+    void waitForTask() {
+      while (!done && !hasTask) {
+        protocol->nextEvent();
+      }
+    }
+
+    bool nextKey() {
+      if (reader == NULL) {
+        while (!isNewKey) {
+          nextValue();
+          if (done) {
+            return false;
+          }
+        }
+        key = *newKey;
+      } else {
+        if (!reader->next(key, const_cast<string&>(*value))) {
+          done = true;
+          return false;
+        }
+        progressFloat = reader->getProgress();
+      }
+      isNewKey = false;
+      if (mapper != NULL) {
+        mapper->map(*this);
+      } else {
+        reducer->reduce(*this);
+      }
+      return true;
+    }
+
+    /**
+     * Advance to the next value.
+     */
+    virtual bool nextValue() {
+      if (isNewKey || done) {
+        return false;
+      }
+      isNewValue = false;
+      progress();
+      protocol->nextEvent();
+      return isNewValue;
+    }
+
+    /**
+     * Get the JobConf for the current task.
+     */
+    virtual JobConf* getJobConf() {
+      return jobConf;
+    }
+
+    /**
+     * Get the current key. 
+     * @return the current key or NULL if called before the first map or reduce
+     */
+    virtual const string& getInputKey() {
+      return key;
+    }
+
+    /**
+     * Get the current value. 
+     * @return the current value or NULL if called before the first map or 
+     *    reduce
+     */
+    virtual const string& getInputValue() {
+      return *value;
+    }
+
+    /**
+     * Mark your task as having made progress without changing the status 
+     * message.
+     */
+    virtual void progress() {
+      if (uplink != 0) {
+        uint64_t now = getCurrentMillis();
+        if (now - lastProgress > 1000) {
+          lastProgress = now;
+          uplink->progress(progressFloat);
+          if (statusSet) {
+            uplink->status(status);
+            statusSet = false;
+          }
+        }
+      }
+    }
+
+    /**
+     * Set the status message and call progress.
+     */
+    virtual void setStatus(const string& status) {
+      this->status = status;
+      statusSet = true;
+      progress();
+    }
+
+    /**
+     * Get the name of the key class of the input to this task.
+     */
+    virtual const string& getInputKeyClass() {
+      return *inputKeyClass;
+    }
+
+    /**
+     * Get the name of the value class of the input to this task.
+     */
+    virtual const string& getInputValueClass() {
+      return *inputValueClass;
+    }
+
+    /**
+     * Access the InputSplit of the mapper.
+     */
+    virtual const std::string& getInputSplit() {
+      return *inputSplit;
+    }
+
+    virtual void emit(const string& key, const string& value) {
+      progress();
+      if (writer != NULL) {
+        writer->emit(key, value);
+      } else if (partitioner != NULL) {
+        int part = partitioner->partition(key, numReduces);
+        uplink->partitionedOutput(part, key, value);
+      } else {
+        uplink->output(key, value);
+      }
+    }
+
+    void closeAll() {
+      if (reader) {
+        reader->close();
+      }
+      if (mapper) {
+        mapper->close();
+      }
+      if (reducer) {
+        reducer->close();
+      }
+      if (writer) {
+        writer->close();
+      }
+    }
+
+    virtual ~TaskContextImpl() {
+      delete jobConf;
+      delete inputKeyClass;
+      delete inputValueClass;
+      delete inputSplit;
+      if (reader) {
+        delete value;
+      }
+      delete reader;
+      delete mapper;
+      delete reducer;
+      delete writer;
+      delete partitioner;
+    }
+  };
+
+  /**
+   * Run the assigned task in the framework.
+   * The user's main function should set the various functions using the 
+   * set* functions above and then call this.
+   * @return true, if the task succeeded.
+   */
+  bool runTask(const Factory& factory) {
+    try {
+      TaskContextImpl* context = new TaskContextImpl(factory);
+      Protocol* connection;
+      char* portStr = getenv("hadoop.pipes.command.port");
+      int sock = -1;
+      FILE* stream = NULL;
+      FILE* outStream = NULL;
+      if (portStr) {
+        sock = socket(PF_INET, SOCK_STREAM, 0);
+        HADOOP_ASSERT(sock != - 1,
+                      string("problem creating socket: ") + strerror(errno));
+        sockaddr_in addr;
+        addr.sin_family = AF_INET;
+        addr.sin_port = htons(toInt(portStr));
+        addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
+        HADOOP_ASSERT(connect(sock, (sockaddr*) &addr, sizeof(addr)) == 0,
+                      string("problem connecting command socket: ") +
+                      strerror(errno));
+        stream = fdopen(sock, "r");
+        outStream = fdopen(sock, "w");
+        connection = new BinaryProtocol(stream, context, outStream);
+      } else if (getenv("hadoop.pipes.command.file")) {
+        char* filename = getenv("hadoop.pipes.command.file");
+        string outFilename = filename;
+        outFilename += ".out";
+        stream = fopen(filename, "r");
+        outStream = fopen(outFilename.c_str(), "w");
+        connection = new BinaryProtocol(stream, context, outStream);
+      } else {
+        connection = new TextProtocol(stdin, context, stdout);
+      }
+      context->setProtocol(connection, connection->getUplink());
+      context->waitForTask();
+      while (!context->isDone()) {
+        context->nextKey();
+      }
+      context->closeAll();
+      connection->getUplink()->done();
+      delete context;
+      delete connection;
+      if (stream != NULL) {
+        fflush(stream);
+      }
+      if (outStream != NULL) {
+        fflush(outStream);
+      }
+      fflush(stdout);
+      if (sock != -1) {
+        int result = shutdown(sock, SHUT_RDWR);
+        HADOOP_ASSERT(result == 0, "problem shutting socket");
+        result = close(sock);
+        HADOOP_ASSERT(result == 0, "problem closing socket");
+      }
+      if (stream != NULL) {
+        //fclose(stream);
+      }
+      if (outStream != NULL) {
+        //fclose(outStream);
+      } 
+      return true;
+    } catch (Error& err) {
+      fprintf(stderr, "Hadoop Pipes Exception: %s\n", 
+              err.getMessage().c_str());
+      return false;
+    }
+  }
+}
+

Added: lucene/hadoop/trunk/src/c++/pipes/impl/config.h.in
URL: http://svn.apache.org/viewvc/lucene/hadoop/trunk/src/c%2B%2B/pipes/impl/config.h.in?view=auto&rev=538693
==============================================================================
--- lucene/hadoop/trunk/src/c++/pipes/impl/config.h.in (added)
+++ lucene/hadoop/trunk/src/c++/pipes/impl/config.h.in Wed May 16 12:23:48 2007
@@ -0,0 +1,97 @@
+/* impl/config.h.in.  Generated from configure.ac by autoheader.  */
+
+/* Define to 1 if you have the declaration of `strerror_r', and to 0 if you
+   don't. */
+#undef HAVE_DECL_STRERROR_R
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#undef HAVE_DLFCN_H
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#undef HAVE_INTTYPES_H
+
+/* Define to 1 if you have the <memory.h> header file. */
+#undef HAVE_MEMORY_H
+
+/* Define to 1 if you have the `mkdir' function. */
+#undef HAVE_MKDIR
+
+/* Define to 1 if stdbool.h conforms to C99. */
+#undef HAVE_STDBOOL_H
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#undef HAVE_STDINT_H
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#undef HAVE_STDLIB_H
+
+/* Define to 1 if you have the `strerror_r' function. */
+#undef HAVE_STRERROR_R
+
+/* Define to 1 if you have the <strings.h> header file. */
+#undef HAVE_STRINGS_H
+
+/* Define to 1 if you have the <string.h> header file. */
+#undef HAVE_STRING_H
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#undef HAVE_SYS_STAT_H
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#undef HAVE_SYS_TYPES_H
+
+/* Define to 1 if you have the `uname' function. */
+#undef HAVE_UNAME
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#undef HAVE_UNISTD_H
+
+/* Define to 1 if the system has the type `_Bool'. */
+#undef HAVE__BOOL
+
+/* Name of package */
+#undef PACKAGE
+
+/* Define to the address where bug reports for this package should be sent. */
+#undef PACKAGE_BUGREPORT
+
+/* Define to the full name of this package. */
+#undef PACKAGE_NAME
+
+/* Define to the full name and version of this package. */
+#undef PACKAGE_STRING
+
+/* Define to the one symbol short name of this package. */
+#undef PACKAGE_TARNAME
+
+/* Define to the version of this package. */
+#undef PACKAGE_VERSION
+
+/* Define to 1 if you have the ANSI C header files. */
+#undef STDC_HEADERS
+
+/* Define to 1 if strerror_r returns char *. */
+#undef STRERROR_R_CHAR_P
+
+/* Version number of package */
+#undef VERSION
+
+/* Number of bits in a file offset, on hosts where this is settable. */
+#undef _FILE_OFFSET_BITS
+
+/* Enable GNU extensions on systems that have them.  */
+#ifndef _GNU_SOURCE
+# undef _GNU_SOURCE
+#endif
+
+/* Define for large files, on AIX-style hosts. */
+#undef _LARGE_FILES
+
+/* Define to empty if `const' does not conform to ANSI C. */
+#undef const
+
+/* Define to `long' if <sys/types.h> does not define. */
+#undef off_t
+
+/* Define to `unsigned' if <sys/types.h> does not define. */
+#undef size_t

Added: lucene/hadoop/trunk/src/c++/pipes/install-sh
URL: http://svn.apache.org/viewvc/lucene/hadoop/trunk/src/c%2B%2B/pipes/install-sh?view=auto&rev=538693
==============================================================================
--- lucene/hadoop/trunk/src/c++/pipes/install-sh (added)
+++ lucene/hadoop/trunk/src/c++/pipes/install-sh Wed May 16 12:23:48 2007
@@ -0,0 +1,322 @@
+#!/bin/sh
+# install - install a program, script, or datafile
+
+scriptversion=2004-07-05.00
+
+# This originates from X11R5 (mit/util/scripts/install.sh), which was
+# later released in X11R6 (xc/config/util/install.sh) with the
+# following copyright and license.
+#
+# Copyright (C) 1994 X Consortium
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to
+# deal in the Software without restriction, including without limitation the
+# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+# sell copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
+# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+# Except as contained in this notice, the name of the X Consortium shall not
+# be used in advertising or otherwise to promote the sale, use or other deal-
+# ings in this Software without prior written authorization from the X Consor-
+# tium.
+#
+#
+# FSF changes to this file are in the public domain.
+#
+# Calling this script install-sh is preferred over install.sh, to prevent
+# `make' implicit rules from creating a file called install from it
+# when there is no Makefile.
+#
+# This script is compatible with the BSD install script, but was written
+# from scratch.  It can only install one file at a time, a restriction
+# shared with many OS's install programs.
+
+# set DOITPROG to echo to test this script
+
+# Don't use :- since 4.3BSD and earlier shells don't like it.
+doit="${DOITPROG-}"
+
+# put in absolute paths if you don't have them in your path; or use env. vars.
+
+mvprog="${MVPROG-mv}"
+cpprog="${CPPROG-cp}"
+chmodprog="${CHMODPROG-chmod}"
+chownprog="${CHOWNPROG-chown}"
+chgrpprog="${CHGRPPROG-chgrp}"
+stripprog="${STRIPPROG-strip}"
+rmprog="${RMPROG-rm}"
+mkdirprog="${MKDIRPROG-mkdir}"
+
+chmodcmd="$chmodprog 0755"
+chowncmd=
+chgrpcmd=
+stripcmd=
+rmcmd="$rmprog -f"
+mvcmd="$mvprog"
+src=
+dst=
+dir_arg=
+dstarg=
+no_target_directory=
+
+usage="Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
+   or: $0 [OPTION]... SRCFILES... DIRECTORY
+   or: $0 [OPTION]... -t DIRECTORY SRCFILES...
+   or: $0 [OPTION]... -d DIRECTORIES...
+
+In the 1st form, copy SRCFILE to DSTFILE.
+In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
+In the 4th, create DIRECTORIES.
+
+Options:
+-c         (ignored)
+-d         create directories instead of installing files.
+-g GROUP   $chgrpprog installed files to GROUP.
+-m MODE    $chmodprog installed files to MODE.
+-o USER    $chownprog installed files to USER.
+-s         $stripprog installed files.
+-t DIRECTORY  install into DIRECTORY.
+-T         report an error if DSTFILE is a directory.
+--help     display this help and exit.
+--version  display version info and exit.
+
+Environment variables override the default commands:
+  CHGRPPROG CHMODPROG CHOWNPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG
+"
+
+while test -n "$1"; do
+  case $1 in
+    -c) shift
+        continue;;
+
+    -d) dir_arg=true
+        shift
+        continue;;
+
+    -g) chgrpcmd="$chgrpprog $2"
+        shift
+        shift
+        continue;;
+
+    --help) echo "$usage"; exit 0;;
+
+    -m) chmodcmd="$chmodprog $2"
+        shift
+        shift
+        continue;;
+
+    -o) chowncmd="$chownprog $2"
+        shift
+        shift
+        continue;;
+
+    -s) stripcmd=$stripprog
+        shift
+        continue;;
+
+    -t) dstarg=$2
+	shift
+	shift
+	continue;;
+
+    -T) no_target_directory=true
+	shift
+	continue;;
+
+    --version) echo "$0 $scriptversion"; exit 0;;
+
+    *)  # When -d is used, all remaining arguments are directories to create.
+	# When -t is used, the destination is already specified.
+	test -n "$dir_arg$dstarg" && break
+        # Otherwise, the last argument is the destination.  Remove it from $@.
+	for arg
+	do
+          if test -n "$dstarg"; then
+	    # $@ is not empty: it contains at least $arg.
+	    set fnord "$@" "$dstarg"
+	    shift # fnord
+	  fi
+	  shift # arg
+	  dstarg=$arg
+	done
+	break;;
+  esac
+done
+
+if test -z "$1"; then
+  if test -z "$dir_arg"; then
+    echo "$0: no input file specified." >&2
+    exit 1
+  fi
+  # It's OK to call `install-sh -d' without argument.
+  # This can happen when creating conditional directories.
+  exit 0
+fi
+
+for src
+do
+  # Protect names starting with `-'.
+  case $src in
+    -*) src=./$src ;;
+  esac
+
+  if test -n "$dir_arg"; then
+    dst=$src
+    src=
+
+    if test -d "$dst"; then
+      mkdircmd=:
+      chmodcmd=
+    else
+      mkdircmd=$mkdirprog
+    fi
+  else
+    # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
+    # might cause directories to be created, which would be especially bad
+    # if $src (and thus $dsttmp) contains '*'.
+    if test ! -f "$src" && test ! -d "$src"; then
+      echo "$0: $src does not exist." >&2
+      exit 1
+    fi
+
+    if test -z "$dstarg"; then
+      echo "$0: no destination specified." >&2
+      exit 1
+    fi
+
+    dst=$dstarg
+    # Protect names starting with `-'.
+    case $dst in
+      -*) dst=./$dst ;;
+    esac
+
+    # If destination is a directory, append the input filename; won't work
+    # if double slashes aren't ignored.
+    if test -d "$dst"; then
+      if test -n "$no_target_directory"; then
+	echo "$0: $dstarg: Is a directory" >&2
+	exit 1
+      fi
+      dst=$dst/`basename "$src"`
+    fi
+  fi
+
+  # This sed command emulates the dirname command.
+  dstdir=`echo "$dst" | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
+
+  # Make sure that the destination directory exists.
+
+  # Skip lots of stat calls in the usual case.
+  if test ! -d "$dstdir"; then
+    defaultIFS='
+	 '
+    IFS="${IFS-$defaultIFS}"
+
+    oIFS=$IFS
+    # Some sh's can't handle IFS=/ for some reason.
+    IFS='%'
+    set - `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'`
+    IFS=$oIFS
+
+    pathcomp=
+
+    while test $# -ne 0 ; do
+      pathcomp=$pathcomp$1
+      shift
+      if test ! -d "$pathcomp"; then
+        $mkdirprog "$pathcomp"
+	# mkdir can fail with a `File exist' error in case several
+	# install-sh are creating the directory concurrently.  This
+	# is OK.
+	test -d "$pathcomp" || exit
+      fi
+      pathcomp=$pathcomp/
+    done
+  fi
+
+  if test -n "$dir_arg"; then
+    $doit $mkdircmd "$dst" \
+      && { test -z "$chowncmd" || $doit $chowncmd "$dst"; } \
+      && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } \
+      && { test -z "$stripcmd" || $doit $stripcmd "$dst"; } \
+      && { test -z "$chmodcmd" || $doit $chmodcmd "$dst"; }
+
+  else
+    dstfile=`basename "$dst"`
+
+    # Make a couple of temp file names in the proper directory.
+    dsttmp=$dstdir/_inst.$$_
+    rmtmp=$dstdir/_rm.$$_
+
+    # Trap to clean up those temp files at exit.
+    trap 'status=$?; rm -f "$dsttmp" "$rmtmp" && exit $status' 0
+    trap '(exit $?); exit' 1 2 13 15
+
+    # Copy the file name to the temp name.
+    $doit $cpprog "$src" "$dsttmp" &&
+
+    # and set any options; do chmod last to preserve setuid bits.
+    #
+    # If any of these fail, we abort the whole thing.  If we want to
+    # ignore errors from any of these, just make sure not to ignore
+    # errors from the above "$doit $cpprog $src $dsttmp" command.
+    #
+    { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } \
+      && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } \
+      && { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } \
+      && { test -z "$chmodcmd" || $doit $chmodcmd "$dsttmp"; } &&
+
+    # Now rename the file to the real destination.
+    { $doit $mvcmd -f "$dsttmp" "$dstdir/$dstfile" 2>/dev/null \
+      || {
+	   # The rename failed, perhaps because mv can't rename something else
+	   # to itself, or perhaps because mv is so ancient that it does not
+	   # support -f.
+
+	   # Now remove or move aside any old file at destination location.
+	   # We try this two ways since rm can't unlink itself on some
+	   # systems and the destination file might be busy for other
+	   # reasons.  In this case, the final cleanup might fail but the new
+	   # file should still install successfully.
+	   {
+	     if test -f "$dstdir/$dstfile"; then
+	       $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null \
+	       || $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null \
+	       || {
+		 echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2
+		 (exit 1); exit
+	       }
+	     else
+	       :
+	     fi
+	   } &&
+
+	   # Now rename the file to the real destination.
+	   $doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
+	 }
+    }
+  fi || { (exit 1); exit; }
+done
+
+# The final little trick to "correctly" pass the exit status to the exit trap.
+{
+  (exit 0); exit
+}
+
+# Local variables:
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-end: "$"
+# End: