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mq-0.1.0 version

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commit 1947825c8614a38af9b8f9f396fbdb4e992e5e53 1 parent 46b4f3e
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1  AUTHORS
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+Steve Chu <stvchu@gmail.com>
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13 ChangeLog
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+2008-09-19 Steve Chu <stvchu@gmail.com>
+* version 0.1.0 is released.
+
+2008-09-19 Steve Chu <stvchu@gmail.com>
+* All code is rewritten based on latest memcachedb, and multiple queue is supported.
+Please see 'README.html' for usage.
+
+2008-03-17 Steve Chu <stvchu@gmail.com>
+* add a '-A' option to set page size
+
+2008-03-15 Steve Chu <stvchu@gmail.com>
+* version 0.0.1 is released.
+
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60 INSTALL
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+Dependencies
+============
+Before deploying MemcacheQ, make sure that following packages have been installed:
+
+Berkeley DB 4.7 or later
+-------------------------
+
+Download from <http://www.oracle.com/database/berkeley-db/db/index.html>
+
+How to install BerkekeyDB::
+
+ $tar xvzf db-4.7.25.tar.gz
+ $cd db-4.7.25/
+ $cd build_unix/
+ $../dist/configure
+ $make
+ $sudo make install
+
+
+libevent 1.4.x or later
+-----------------------
+
+Download from <http://monkey.org/~provos/libevent/>
+
+How to install libevent::
+
+ $tar xvzf libevent-1.4.x-stable.tar.gz
+ $cd libevent-1.4.x-stable
+ $./configure
+ $make
+ $sudo make install
+
+On a linux, load .so file by add two line in /etc/ld.so.conf::
+
+ /usr/local/lib
+ /usr/local/BerkeleyDB.4.7/lib
+
+Then, run 'ldconfig'.
+
+Building MemcacheQ
+==================
+
+On a \*nix, just following::
+
+ $tar xvzf memcacheq-0.1.x.tar.gz
+ $cd memcacheq-0.1.x
+ $./configure
+ $make
+ $sudo make install
+
+Start the daemon
+================
+
+::
+
+ memcacheq -d -r -H /data1/memcacheq -N -v -L 1024 -B 1024 > /data1/mq_error.log 2>&1
+
+use "-h" option to get started.
+
+Have fun :)
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352 INSTALL.html
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+
+
+<div class="section" id="dependencies">
+<h1>Dependencies</h1>
+<p>Before deploying MemcacheQ, make sure that following packages have been installed:</p>
+<div class="section" id="berkeley-db-4-7-or-later">
+<h2>Berkeley DB 4.7 or later</h2>
+<p>Download from &lt;<a class="reference external" href="http://www.oracle.com/database/berkeley-db/db/index.html">http://www.oracle.com/database/berkeley-db/db/index.html</a>&gt;</p>
+<p>How to install BerkekeyDB:</p>
+<pre class="literal-block">
+$tar xvzf db-4.7.25.tar.gz
+$cd db-4.7.25/
+$cd build_unix/
+$../dist/configure
+$make
+$sudo make install
+</pre>
+</div>
+<div class="section" id="libevent-1-4-x-or-later">
+<h2>libevent 1.4.x or later</h2>
+<p>Download from &lt;<a class="reference external" href="http://monkey.org/~provos/libevent/">http://monkey.org/~provos/libevent/</a>&gt;</p>
+<p>How to install libevent:</p>
+<pre class="literal-block">
+$tar xvzf libevent-1.4.x-stable.tar.gz
+$cd libevent-1.4.x-stable
+$./configure
+$make
+$sudo make install
+</pre>
+<p>On a linux, load .so file by add two line in /etc/ld.so.conf:</p>
+<pre class="literal-block">
+/usr/local/lib
+/usr/local/BerkeleyDB.4.7/lib
+</pre>
+<p>Then, run 'ldconfig'.</p>
+</div>
+</div>
+<div class="section" id="building-memcacheq">
+<h1>Building MemcacheQ</h1>
+<p>On a *nix, just following:</p>
+<pre class="literal-block">
+$tar xvzf memcacheq-0.1.x.tar.gz
+$cd memcacheq-0.1.x
+$./configure
+$make
+$sudo make install
+</pre>
+</div>
+<div class="section" id="start-the-daemon">
+<h1>Start the daemon</h1>
+<pre class="literal-block">
+memcacheq -d -r -H /data1/memcacheq -N -v -L 1024 -B 1024 &gt; /data1/mq_error.log 2&gt;&amp;1
+</pre>
+<p>use &quot;-h&quot; option to get started.</p>
+<p>Have fun :)</p>
+</div>
+</div>
+</body>
+</html>
View
106 LICENSE
@@ -0,0 +1,106 @@
+Copyright (c) 2008, Steve Chu. <stvchu@gmail.com>
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+ * Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the following disclaimer
+in the documentation and/or other materials provided with the
+distribution.
+
+ * Neither the name of the author nor the names of its
+contributors may be used to endorse or promote products derived from
+this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+This product includes software developed by Danga Interactive, Inc.
+
+[ memcached ]
+
+Copyright (c) 2003, Danga Interactive, Inc. <http://www.danga.com/>
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+ * Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the following disclaimer
+in the documentation and/or other materials provided with the
+distribution.
+
+ * Neither the name of the Danga Interactive nor the names of its
+contributors may be used to endorse or promote products derived from
+this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+This product includes software developed by Niels Provos.
+
+[ libevent ]
+
+Copyright 2000-2003 Niels Provos <provos@citi.umich.edu>
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+3. All advertising materials mentioning features or use of this software
+ must display the following acknowledgement:
+ This product includes software developed by Niels Provos.
+4. The name of the author may not be used to endorse or promote products
+ derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+This product includes software developed by Oracle Inc.
+
+[ BerkeleyDB ]
+
+See LICENSE file in BerkeleyDB distribution to get more Copyright info.
View
4 Makefile.am
@@ -0,0 +1,4 @@
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+memcacheq_SOURCES = memcacheq.c item.c memcacheq.h thread.c bdb.c
+
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View
553 Makefile.in
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View
81 README
@@ -0,0 +1,81 @@
+===============================================
+MemcacheQ - Simple Queue Service over Memcache
+===============================================
+
+Features
+=========
+* High performance
+* Strictly FIFO
+* Multiple queue supported
+* Memcache protocol compatible
+* Simple and easy to use
+
+Benchmark
+==========
+
+
+Getting Started
+===============
+
+Download
+---------
+See <http://code.google.com/p/memcacheq/downloads/list>
+
+Installation
+-------------
+See <http://memcachedb.org/memcacheq/INSTALL.html>
+
+Commands
+---------
+
+Only two commands are used to operate the queue:
+
+**Append a message to the tail of queue**::
+
+ set <queue name> 0 0 <message_len>\r\n
+ <put your message body here>\r\n
+ STORED\r\n
+
+**Note:** MQ will create a new queue automatically if your queue is not existed. The original 'flags' and 'expire time' field is ignored by server(here just padded with 0).
+
+**Pop a message from the head of queue**::
+
+ get <queue name>\r\n
+ VALUE <queue name> 0 <message_len>\r\n
+ <your message body will come here>\r\n
+ END\r\n
+
+
+Examples
+---------
+
+Assuming you are using PHP memcache<http://www.php.net/memcache>::
+
+ <?php
+ /* connect to memcached server */
+ $memcache_obj = memcache_connect('memcacheq_host', 21201);
+
+ /* append a message to queue */
+ memcache_set($memcache_obj, 'demoqueue1', 'message body here', 0, 0);
+
+ /* pop a message from 'demoqueue1' */
+ memcache_get($memcache_obj, 'demoqueue1');
+
+ memcache_close($memcache_obj);
+ ?>
+
+Limitation
+===========
+The message body is stored in Berkeley DB with fixed length. Any message that is shorter than the declared length will automatically be padded with space character (0x20 in the ASCII character set).
+
+In Berkeley DB, as the official document refers,
+
+"For the Queue access method, the record length must be enough smaller than the database's page size that at least one record plus the database page's metadata information can fit on each database page."
+
+"The minimum page size is 512 bytes, the maximum page size is 64K bytes, and the page size must be a power-of-two."
+
+So we have a limit on the message body size with a max of a bit less than *64K*.
+
+
+
+
View
366 README.html
@@ -0,0 +1,366 @@
+<?xml version="1.0" encoding="utf-8" ?>
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+<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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+<title>MemcacheQ - Simple Queue Service over Memcache</title>
+<style type="text/css">
+
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+:Author: David Goodger
+:Contact: goodger@users.sourceforge.net
+:Date: $Date$
+:Revision: $Revision$
+:Copyright: This stylesheet has been placed in the public domain.
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+<body>
+<div class="document" id="memcacheq-simple-queue-service-over-memcache">
+<h1 class="title">MemcacheQ - Simple Queue Service over Memcache</h1>
+
+<div class="section" id="features">
+<h1>Features</h1>
+<ul class="simple">
+<li>High performance</li>
+<li>Strictly FIFO</li>
+<li>Multiple queue supported</li>
+<li>Memcache protocol compatible</li>
+<li>Simple and easy to use</li>
+</ul>
+</div>
+<div class="section" id="benchmark">
+<h1>Benchmark</h1>
+</div>
+<div class="section" id="getting-started">
+<h1>Getting Started</h1>
+<div class="section" id="download">
+<h2>Download</h2>
+<p>See &lt;<a class="reference external" href="http://code.google.com/p/memcacheq/downloads/list">http://code.google.com/p/memcacheq/downloads/list</a>&gt;</p>
+</div>
+<div class="section" id="installation">
+<h2>Installation</h2>
+<p>See &lt;<a class="reference external" href="http://memcachedb.org/memcacheq/INSTALL.html">http://memcachedb.org/memcacheq/INSTALL.html</a>&gt;</p>
+</div>
+<div class="section" id="commands">
+<h2>Commands</h2>
+<p>Only two commands are used to operate the queue:</p>
+<p><strong>Append a message to the tail of queue</strong>:</p>
+<pre class="literal-block">
+set &lt;queue name&gt; 0 0 &lt;message_len&gt;\r\n
+&lt;put your message body here&gt;\r\n
+STORED\r\n
+</pre>
+<p><strong>Note:</strong> MQ will create a new queue automatically if your queue is not existed. The original 'flags' and 'expire time' field is ignored by server(here just padded with 0).</p>
+<p><strong>Pop a message from the head of queue</strong>:</p>
+<pre class="literal-block">
+get &lt;queue name&gt;\r\n
+VALUE &lt;queue name&gt; 0 &lt;message_len&gt;\r\n
+&lt;your message body will come here&gt;\r\n
+END\r\n
+</pre>
+</div>
+<div class="section" id="examples">
+<h2>Examples</h2>
+<p>Assuming you are using PHP memcache&lt;<a class="reference external" href="http://www.php.net/memcache">http://www.php.net/memcache</a>&gt;:</p>
+<pre class="literal-block">
+&lt;?php
+/* connect to memcached server */
+$memcache_obj = memcache_connect('memcacheq_host', 21201);
+
+/* append a message to queue */
+memcache_set($memcache_obj, 'demoqueue1', 'message body here', 0, 0);
+
+/* pop a message from 'demoqueue1' */
+memcache_get($memcache_obj, 'demoqueue1');
+
+memcache_close($memcache_obj);
+?&gt;
+</pre>
+</div>
+</div>
+<div class="section" id="limitation">
+<h1>Limitation</h1>
+<p>The message body is stored in Berkeley DB with fixed length. Any message that is shorter than the declared length will automatically be padded with space character (0x20 in the ASCII character set).</p>
+<p>In Berkeley DB, as the official document refers,</p>
+<p>&quot;For the Queue access method, the record length must be enough smaller than the database's page size that at least one record plus the database page's metadata information can fit on each database page.&quot;</p>
+<p>&quot;The minimum page size is 512 bytes, the maximum page size is 64K bytes, and the page size must be a power-of-two.&quot;</p>
+<p>So we have a limit on the message body size with a max of a bit less than <em>64K</em>.</p>
+</div>
+</div>
+</body>
+</html>
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+ # Use -I$(srcdir) only when $(srcdir) != ., so that make's output
+ # is not polluted with repeated "-I."
+ AC_SUBST([am__isrc], [' -I$(srcdir)'])_AM_SUBST_NOTMAKE([am__isrc])dnl
+ # test to see if srcdir already configured
+ if test -f $srcdir/config.status; then
+ AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
+ fi
+fi
+
+# test whether we have cygpath
+if test -z "$CYGPATH_W"; then
+ if (cygpath --version) >/dev/null 2>/dev/null; then
+ CYGPATH_W='cygpath -w'
+ else
+ CYGPATH_W=echo
+ fi
+fi
+AC_SUBST([CYGPATH_W])
+
+# Define the identity of the package.
+dnl Distinguish between old-style and new-style calls.
+m4_ifval([$2],
+[m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
+ AC_SUBST([PACKAGE], [$1])dnl
+ AC_SUBST([VERSION], [$2])],
+[_AM_SET_OPTIONS([$1])dnl
+dnl Diagnose old-style AC_INIT with new-style AM_AUTOMAKE_INIT.
+m4_if(m4_ifdef([AC_PACKAGE_NAME], 1)m4_ifdef([AC_PACKAGE_VERSION], 1), 11,,
+ [m4_fatal([AC_INIT should be called with package and version arguments])])dnl
+ AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
+ AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl
+
+_AM_IF_OPTION([no-define],,
+[AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
+ AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package])])dnl
+
+# Some tools Automake needs.
+AC_REQUIRE([AM_SANITY_CHECK])dnl
+AC_REQUIRE([AC_ARG_PROGRAM])dnl
+AM_MISSING_PROG(ACLOCAL, aclocal-${am__api_version})
+AM_MISSING_PROG(AUTOCONF, autoconf)
+AM_MISSING_PROG(AUTOMAKE, automake-${am__api_version})
+AM_MISSING_PROG(AUTOHEADER, autoheader)
+AM_MISSING_PROG(MAKEINFO, makeinfo)
+AM_PROG_INSTALL_SH
+AM_PROG_INSTALL_STRIP
+AC_REQUIRE([AM_PROG_MKDIR_P])dnl
+# We need awk for the "check" target. The system "awk" is bad on
+# some platforms.
+AC_REQUIRE([AC_PROG_AWK])dnl
+AC_REQUIRE([AC_PROG_MAKE_SET])dnl
+AC_REQUIRE([AM_SET_LEADING_DOT])dnl
+_AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
+ [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
+ [_AM_PROG_TAR([v7])])])
+_AM_IF_OPTION([no-dependencies],,
+[AC_PROVIDE_IFELSE([AC_PROG_CC],
+ [_AM_DEPENDENCIES(CC)],
+ [define([AC_PROG_CC],
+ defn([AC_PROG_CC])[_AM_DEPENDENCIES(CC)])])dnl
+AC_PROVIDE_IFELSE([AC_PROG_CXX],
+ [_AM_DEPENDENCIES(CXX)],
+ [define([AC_PROG_CXX],
+ defn([AC_PROG_CXX])[_AM_DEPENDENCIES(CXX)])])dnl
+AC_PROVIDE_IFELSE([AC_PROG_OBJC],
+ [_AM_DEPENDENCIES(OBJC)],
+ [define([AC_PROG_OBJC],
+ defn([AC_PROG_OBJC])[_AM_DEPENDENCIES(OBJC)])])dnl
+])
+])
+
+
+# When config.status generates a header, we must update the stamp-h file.
+# This file resides in the same directory as the config header
+# that is generated. The stamp files are numbered to have different names.
+
+# Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
+# loop where config.status creates the headers, so we can generate
+# our stamp files there.
+AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
+[# Compute $1's index in $config_headers.
+_am_stamp_count=1
+for _am_header in $config_headers :; do
+ case $_am_header in
+ $1 | $1:* )
+ break ;;
+ * )
+ _am_stamp_count=`expr $_am_stamp_count + 1` ;;
+ esac
+done
+echo "timestamp for $1" >`AS_DIRNAME([$1])`/stamp-h[]$_am_stamp_count])
+
+# Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_PROG_INSTALL_SH
+# ------------------
+# Define $install_sh.
+AC_DEFUN([AM_PROG_INSTALL_SH],
+[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
+install_sh=${install_sh-"\$(SHELL) $am_aux_dir/install-sh"}
+AC_SUBST(install_sh)])
+
+# Copyright (C) 2003, 2005 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 2
+
+# Check whether the underlying file-system supports filenames
+# with a leading dot. For instance MS-DOS doesn't.
+AC_DEFUN([AM_SET_LEADING_DOT],
+[rm -rf .tst 2>/dev/null
+mkdir .tst 2>/dev/null
+if test -d .tst; then
+ am__leading_dot=.
+else
+ am__leading_dot=_
+fi
+rmdir .tst 2>/dev/null
+AC_SUBST([am__leading_dot])])
+
+# Check to see how 'make' treats includes. -*- Autoconf -*-
+
+# Copyright (C) 2001, 2002, 2003, 2005 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 3
+
+# AM_MAKE_INCLUDE()
+# -----------------
+# Check to see how make treats includes.
+AC_DEFUN([AM_MAKE_INCLUDE],
+[am_make=${MAKE-make}
+cat > confinc << 'END'
+am__doit:
+ @echo done
+.PHONY: am__doit
+END
+# If we don't find an include directive, just comment out the code.
+AC_MSG_CHECKING([for style of include used by $am_make])
+am__include="#"
+am__quote=
+_am_result=none
+# First try GNU make style include.
+echo "include confinc" > confmf
+# We grep out `Entering directory' and `Leaving directory'
+# messages which can occur if `w' ends up in MAKEFLAGS.
+# In particular we don't look at `^make:' because GNU make might
+# be invoked under some other name (usually "gmake"), in which
+# case it prints its new name instead of `make'.
+if test "`$am_make -s -f confmf 2> /dev/null | grep -v 'ing directory'`" = "done"; then
+ am__include=include
+ am__quote=
+ _am_result=GNU
+fi
+# Now try BSD make style include.
+if test "$am__include" = "#"; then
+ echo '.include "confinc"' > confmf
+ if test "`$am_make -s -f confmf 2> /dev/null`" = "done"; then
+ am__include=.include
+ am__quote="\""
+ _am_result=BSD
+ fi
+fi
+AC_SUBST([am__include])
+AC_SUBST([am__quote])
+AC_MSG_RESULT([$_am_result])
+rm -f confinc confmf
+])
+
+# Copyright (C) 1999, 2000, 2001, 2003, 2004, 2005
+# Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 5
+
+# AM_PROG_CC_C_O
+# --------------
+# Like AC_PROG_CC_C_O, but changed for automake.
+AC_DEFUN([AM_PROG_CC_C_O],
+[AC_REQUIRE([AC_PROG_CC_C_O])dnl
+AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
+AC_REQUIRE_AUX_FILE([compile])dnl
+# FIXME: we rely on the cache variable name because
+# there is no other way.
+set dummy $CC
+ac_cc=`echo $[2] | sed ['s/[^a-zA-Z0-9_]/_/g;s/^[0-9]/_/']`
+if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" != yes"; then
+ # Losing compiler, so override with the script.
+ # FIXME: It is wrong to rewrite CC.
+ # But if we don't then we get into trouble of one sort or another.
+ # A longer-term fix would be to have automake use am__CC in this case,
+ # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
+ CC="$am_aux_dir/compile $CC"
+fi
+dnl Make sure AC_PROG_CC is never called again, or it will override our
+dnl setting of CC.
+m4_define([AC_PROG_CC],
+ [m4_fatal([AC_PROG_CC cannot be called after AM_PROG_CC_C_O])])
+])
+
+# Fake the existence of programs that GNU maintainers use. -*- Autoconf -*-
+
+# Copyright (C) 1997, 1999, 2000, 2001, 2003, 2004, 2005
+# Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 5
+
+# AM_MISSING_PROG(NAME, PROGRAM)
+# ------------------------------
+AC_DEFUN([AM_MISSING_PROG],
+[AC_REQUIRE([AM_MISSING_HAS_RUN])
+$1=${$1-"${am_missing_run}$2"}
+AC_SUBST($1)])
+
+
+# AM_MISSING_HAS_RUN
+# ------------------
+# Define MISSING if not defined so far and test if it supports --run.
+# If it does, set am_missing_run to use it, otherwise, to nothing.
+AC_DEFUN([AM_MISSING_HAS_RUN],
+[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
+AC_REQUIRE_AUX_FILE([missing])dnl
+test x"${MISSING+set}" = xset || MISSING="\${SHELL} $am_aux_dir/missing"
+# Use eval to expand $SHELL
+if eval "$MISSING --run true"; then
+ am_missing_run="$MISSING --run "
+else
+ am_missing_run=
+ AC_MSG_WARN([`missing' script is too old or missing])
+fi
+])
+
+# Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_PROG_MKDIR_P
+# ---------------
+# Check for `mkdir -p'.
+AC_DEFUN([AM_PROG_MKDIR_P],
+[AC_PREREQ([2.60])dnl
+AC_REQUIRE([AC_PROG_MKDIR_P])dnl
+dnl Automake 1.8 to 1.9.6 used to define mkdir_p. We now use MKDIR_P,
+dnl while keeping a definition of mkdir_p for backward compatibility.
+dnl @MKDIR_P@ is magic: AC_OUTPUT adjusts its value for each Makefile.
+dnl However we cannot define mkdir_p as $(MKDIR_P) for the sake of
+dnl Makefile.ins that do not define MKDIR_P, so we do our own
+dnl adjustment using top_builddir (which is defined more often than
+dnl MKDIR_P).
+AC_SUBST([mkdir_p], ["$MKDIR_P"])dnl
+case $mkdir_p in
+ [[\\/$]]* | ?:[[\\/]]*) ;;
+ */*) mkdir_p="\$(top_builddir)/$mkdir_p" ;;
+esac
+])
+
+# Helper functions for option handling. -*- Autoconf -*-
+
+# Copyright (C) 2001, 2002, 2003, 2005 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 3
+
+# _AM_MANGLE_OPTION(NAME)
+# -----------------------
+AC_DEFUN([_AM_MANGLE_OPTION],
+[[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
+
+# _AM_SET_OPTION(NAME)
+# ------------------------------
+# Set option NAME. Presently that only means defining a flag for this option.
+AC_DEFUN([_AM_SET_OPTION],
+[m4_define(_AM_MANGLE_OPTION([$1]), 1)])
+
+# _AM_SET_OPTIONS(OPTIONS)
+# ----------------------------------
+# OPTIONS is a space-separated list of Automake options.
+AC_DEFUN([_AM_SET_OPTIONS],
+[AC_FOREACH([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
+
+# _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
+# -------------------------------------------
+# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
+AC_DEFUN([_AM_IF_OPTION],
+[m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
+
+# Check to make sure that the build environment is sane. -*- Autoconf -*-
+
+# Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005
+# Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 4
+
+# AM_SANITY_CHECK
+# ---------------
+AC_DEFUN([AM_SANITY_CHECK],
+[AC_MSG_CHECKING([whether build environment is sane])
+# Just in case
+sleep 1
+echo timestamp > conftest.file
+# Do `set' in a subshell so we don't clobber the current shell's
+# arguments. Must try -L first in case configure is actually a
+# symlink; some systems play weird games with the mod time of symlinks
+# (eg FreeBSD returns the mod time of the symlink's containing
+# directory).
+if (
+ set X `ls -Lt $srcdir/configure conftest.file 2> /dev/null`
+ if test "$[*]" = "X"; then
+ # -L didn't work.
+ set X `ls -t $srcdir/configure conftest.file`
+ fi
+ rm -f conftest.file
+ if test "$[*]" != "X $srcdir/configure conftest.file" \
+ && test "$[*]" != "X conftest.file $srcdir/configure"; then
+
+ # If neither matched, then we have a broken ls. This can happen
+ # if, for instance, CONFIG_SHELL is bash and it inherits a
+ # broken ls alias from the environment. This has actually
+ # happened. Such a system could not be considered "sane".
+ AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
+alias in your environment])
+ fi
+
+ test "$[2]" = conftest.file
+ )
+then
+ # Ok.
+ :
+else
+ AC_MSG_ERROR([newly created file is older than distributed files!
+Check your system clock])
+fi
+AC_MSG_RESULT(yes)])
+
+# Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_PROG_INSTALL_STRIP
+# ---------------------
+# One issue with vendor `install' (even GNU) is that you can't
+# specify the program used to strip binaries. This is especially
+# annoying in cross-compiling environments, where the build's strip
+# is unlikely to handle the host's binaries.
+# Fortunately install-sh will honor a STRIPPROG variable, so we
+# always use install-sh in `make install-strip', and initialize
+# STRIPPROG with the value of the STRIP variable (set by the user).
+AC_DEFUN([AM_PROG_INSTALL_STRIP],
+[AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
+# Installed binaries are usually stripped using `strip' when the user
+# run `make install-strip'. However `strip' might not be the right
+# tool to use in cross-compilation environments, therefore Automake
+# will honor the `STRIP' environment variable to overrule this program.
+dnl Don't test for $cross_compiling = yes, because it might be `maybe'.
+if test "$cross_compiling" != no; then
+ AC_CHECK_TOOL([STRIP], [strip], :)
+fi
+INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
+AC_SUBST([INSTALL_STRIP_PROGRAM])])
+
+# Copyright (C) 2006 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# _AM_SUBST_NOTMAKE(VARIABLE)
+# ---------------------------
+# Prevent Automake from outputing VARIABLE = @VARIABLE@ in Makefile.in.
+# This macro is traced by Automake.
+AC_DEFUN([_AM_SUBST_NOTMAKE])
+
+# Check how to create a tarball. -*- Autoconf -*-
+
+# Copyright (C) 2004, 2005 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 2
+
+# _AM_PROG_TAR(FORMAT)
+# --------------------
+# Check how to create a tarball in format FORMAT.
+# FORMAT should be one of `v7', `ustar', or `pax'.
+#
+# Substitute a variable $(am__tar) that is a command
+# writing to stdout a FORMAT-tarball containing the directory
+# $tardir.
+# tardir=directory && $(am__tar) > result.tar
+#
+# Substitute a variable $(am__untar) that extract such
+# a tarball read from stdin.
+# $(am__untar) < result.tar
+AC_DEFUN([_AM_PROG_TAR],
+[# Always define AMTAR for backward compatibility.
+AM_MISSING_PROG([AMTAR], [tar])
+m4_if([$1], [v7],
+ [am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'],
+ [m4_case([$1], [ustar],, [pax],,
+ [m4_fatal([Unknown tar format])])
+AC_MSG_CHECKING([how to create a $1 tar archive])
+# Loop over all known methods to create a tar archive until one works.
+_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
+_am_tools=${am_cv_prog_tar_$1-$_am_tools}
+# Do not fold the above two line into one, because Tru64 sh and
+# Solaris sh will not grok spaces in the rhs of `-'.
+for _am_tool in $_am_tools
+do
+ case $_am_tool in
+ gnutar)
+ for _am_tar in tar gnutar gtar;
+ do
+ AM_RUN_LOG([$_am_tar --version]) && break
+ done
+ am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
+ am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
+ am__untar="$_am_tar -xf -"
+ ;;
+ plaintar)
+ # Must skip GNU tar: if it does not support --format= it doesn't create
+ # ustar tarball either.
+ (tar --version) >/dev/null 2>&1 && continue
+ am__tar='tar chf - "$$tardir"'
+ am__tar_='tar chf - "$tardir"'
+ am__untar='tar xf -'
+ ;;
+ pax)
+ am__tar='pax -L -x $1 -w "$$tardir"'
+ am__tar_='pax -L -x $1 -w "$tardir"'
+ am__untar='pax -r'
+ ;;
+ cpio)
+ am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
+ am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
+ am__untar='cpio -i -H $1 -d'
+ ;;
+ none)
+ am__tar=false
+ am__tar_=false
+ am__untar=false
+ ;;
+ esac
+
+ # If the value was cached, stop now. We just wanted to have am__tar
+ # and am__untar set.
+ test -n "${am_cv_prog_tar_$1}" && break
+
+ # tar/untar a dummy directory, and stop if the command works
+ rm -rf conftest.dir
+ mkdir conftest.dir
+ echo GrepMe > conftest.dir/file
+ AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
+ rm -rf conftest.dir
+ if test -s conftest.tar; then
+ AM_RUN_LOG([$am__untar <conftest.tar])
+ grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
+ fi
+done
+rm -rf conftest.dir
+
+AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
+AC_MSG_RESULT([$am_cv_prog_tar_$1])])
+AC_SUBST([am__tar])
+AC_SUBST([am__untar])
+]) # _AM_PROG_TAR
+
View
5 autogen.sh
@@ -0,0 +1,5 @@
+#!/bin/sh
+#
+
+echo "autoreconf --install"
+autoreconf --install
View
964 bdb.c
@@ -0,0 +1,964 @@
+/* -*- Mode: C; tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- */
+/*
+ * MemcacheQ - Simple Queue Service over Memcache
+ *
+ * http://memcacheq.googlecode.com
+ *
+ * The source code of MemcacheQ is most based on MemcachDB:
+ *
+ * http://memcachedb.googlecode.com
+ *
+ * Copyright 2008 Steve Chu. All rights reserved.
+ *
+ * Use and distribution licensed under the BSD license. See
+ * the LICENSE file for full text.
+ *
+ * Authors:
+ * Steve Chu <stvchu@gmail.com>
+ *
+ */
+
+#include "memcacheq.h"
+#include <stdio.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <pthread.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <signal.h>
+#include <db.h>
+
+static int open_exsited_queue_db(DB_TXN *txn, char *queue_name, DB **queue_dbp);
+static int create_queue_db(DB_TXN *txn, char *queue_name, size_t queue_name_size, DB **queue_dbp);
+static int get_queue_db_handle(DB_TXN *txn, char *queue_name, size_t queue_name_size, DB **queue_dbp);
+static int update_queue_length(DB_TXN *txn, char *queue_name, size_t queue_name_size, int64_t delta);
+static void close_queue_db_list(void);
+
+static pthread_t chk_ptid;
+static pthread_t mtri_ptid;
+static pthread_t dld_ptid;
+
+void bdb_settings_init(void)
+{
+ bdb_settings.env_home = DBHOME;
+ bdb_settings.cache_size = 64 * 1024 * 1024; /* default is 64MB */
+ bdb_settings.txn_lg_bsize = 32 * 1024; /* default is 32KB */
+
+ /* queue only */
+ bdb_settings.re_len = 1024;
+ bdb_settings.q_extentsize = 131072;
+
+ bdb_settings.page_size = 4096; /* default is 4K */
+ bdb_settings.txn_nosync = 0; /* default DB_TXN_NOSYNC is off */
+ bdb_settings.dldetect_val = 100 * 1000; /* default is 100 millisecond */
+ bdb_settings.chkpoint_val = 60 * 5;
+ bdb_settings.memp_trickle_val = 30;
+ bdb_settings.memp_trickle_percent = 60;
+ bdb_settings.db_flags = DB_CREATE | DB_AUTO_COMMIT;
+ bdb_settings.env_flags = DB_CREATE
+ | DB_INIT_LOCK
+ | DB_THREAD
+ | DB_INIT_MPOOL
+ | DB_INIT_LOG
+ | DB_INIT_TXN
+ | DB_RECOVER;
+
+ bdb_settings.is_replicated = 0;
+ bdb_settings.rep_localhost = "127.0.0.1"; /* local host in replication */
+ bdb_settings.rep_localport = 32201; /* local port in replication */
+ bdb_settings.rep_remotehost = NULL; /* local host in replication */
+ bdb_settings.rep_remoteport = 0; /* local port in replication */
+ bdb_settings.rep_is_master = -1; /* 1 on YES, 0 on NO, -1 on UNKNOWN, for two sites replication */
+ bdb_settings.rep_master_eid = DB_EID_INVALID;
+ bdb_settings.rep_start_policy = DB_REP_ELECTION;
+ bdb_settings.rep_nsites = 2;
+ bdb_settings.rep_ack_policy = DB_REPMGR_ACKS_ONE_PEER;
+
+ bdb_settings.rep_ack_timeout = 20 * 1000;
+ bdb_settings.rep_chkpoint_delay = 0;
+ bdb_settings.rep_conn_retry = 30 * 1000 * 1000;
+ bdb_settings.rep_elect_timeout = 2 * 1000 * 1000;
+ bdb_settings.rep_elect_retry = 10 * 1000 * 1000;
+ bdb_settings.rep_heartbeat_monitor = 60 * 1000 * 1000;
+ bdb_settings.rep_heartbeat_send = 60 * 1000 * 1000;
+ bdb_settings.rep_lease_timeout = 0;
+
+ bdb_settings.rep_bulk = 1;
+ bdb_settings.rep_lease = 0;
+
+ bdb_settings.rep_priority = 100;
+
+ bdb_settings.rep_req_min = 40000;
+ bdb_settings.rep_req_max = 1280000;
+