#!/bin/bash
# Startup script for the Apache Web Server
# chkconfig: 345 85 15
# Description: Startup script for Apache webserver on Debian. Place in /etc/init.d and
# run 'update-rc.d -f httpd defaults', or use the appropriate command on your
# distro. For CentOS/Redhat run: 'chkconfig --add httpd'

### BEGIN INIT INFO
# Provides:          httpd
# Required-Start:    $all
# Required-Stop:     $all
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: starts Apache Web Server
# Description:       starts Apache Web Server
### END INIT INFO

#
# 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.
#
#
# Apache control script designed to allow an easy command line interface
# to controlling Apache.  Written by Marc Slemko, 1997/08/23
# 
# The exit codes returned are:
#   XXX this doc is no longer correct now that the interesting
#   XXX functions are handled by httpd
#   0 - operation completed successfully
#   1 - 
#   2 - usage error
#   3 - httpd could not be started
#   4 - httpd could not be stopped
#   5 - httpd could not be started during a restart
#   6 - httpd could not be restarted during a restart
#   7 - httpd could not be restarted during a graceful restart
#   8 - configuration syntax error
#
# When multiple arguments are given, only the error from the _last_
# one is reported.  Run "apachectl help" for usage info
#
ACMD="$1"
ARGV="$@"
#
# |||||||||||||||||||| START CONFIGURATION SECTION  ||||||||||||||||||||
# --------------------                              --------------------
# 
# the path to your httpd binary, including options if necessary
apache_location=/usr/local/apache
HTTPD=${apache_location}/bin/httpd
#
# pick up any necessary environment variables
if test -f ${apache_location}/bin/envvars; then
  . ${apache_location}/bin/envvars
fi
# the default pid file path
httpd_pid_file_path=${apache_location}/logs/httpd.pid
#
# a command that outputs a formatted text version of the HTML at the
# url given on the command line.  Designed for lynx, however other
# programs may work.
LYNX="lynx -dump"
#
# the URL to your server's mod_status status page.  If you do not
# have one, then status and fullstatus will not work.
STATUSURL="http://localhost:80/server-status"
#
# Set this variable to a command that increases the maximum
# number of file descriptors allowed per child process. This is
# critical for configurations that use many file descriptors,
# such as mass vhosting, or a multithreaded server.
ULIMIT_MAX_FILES="ulimit -S -n `ulimit -H -n`"
# --------------------                              --------------------
# ||||||||||||||||||||   END CONFIGURATION SECTION  ||||||||||||||||||||

# Set the maximum number of file descriptors allowed per child process.
if [ "x$ULIMIT_MAX_FILES" != "x" ] ; then
    $ULIMIT_MAX_FILES
fi

ERROR=0
if [ "x$ARGV" = "x" ] ; then 
    ARGV="-h"
fi

case $ACMD in
start|stop|restart|graceful|graceful-stop)
    $HTTPD -k $ARGV
    ERROR=$?
    ;;
startssl|sslstart|start-SSL)
    echo The startssl option is no longer supported.
    echo Please edit httpd.conf to include the SSL configuration settings
    echo and then use "apachectl start".
    ERROR=2
    ;;
configtest)
    $HTTPD -t
    ERROR=$?
    ;;
status)
    # First, check to see if pid file exists
    if test -s "$httpd_pid_file_path" ; then 
        read httpd_pid < "$httpd_pid_file_path"
        if kill -0 $httpd_pid 2>/dev/null ; then 
            echo "httpd (pid $httpd_pid) is running"
            ERROR=0
        else
            echo "httpd is not running, but PID file ($httpd_pid_file_path) exists"
            ERROR=1
        fi
    else
        # Try to find appropriate httpd process
        httpd_pid=$(pidof httpd)
        # test if multiple pids exist
        pid_count=$(echo $httpd_pid | wc -w)
        if test $pid_count -gt 1 ; then
            echo "httpd is running but PID file ($httpd_pid_file_path) could not be found"
            ERROR=4
        elif test -z $httpd_pid ; then 
            echo "httpd is not running"
            ERROR=3
        fi
    fi
    ;;
fullstatus)
    $LYNX $STATUSURL
    ;;
*)
    echo $"Usage: $0 {start|stop|restart|graceful|graceful-stop|configtest|status|fullstatus}"
    ERROR=1
    ;;
esac

exit $ERROR