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- #!/bin/sh
- ### BEGIN INIT INFO
- # Provides: fcgiwrap
- # Required-Start: $remote_fs
- # Required-Stop: $remote_fs
- # Should-Start:
- # Should-Stop:
- # Default-Start: 2 3 4 5
- # Default-Stop: 0 1 6
- # Short-Description: FastCGI wrapper
- # Description: Simple server for running CGI applications over FastCGI
- ### END INIT INFO
- PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
- SPAWN_FCGI="/usr/bin/spawn-fcgi"
- DAEMON="/usr/sbin/fcgiwrap"
- NAME="fcgiwrap"
- DESC="FastCGI wrapper"
- PIDFILE="/var/run/$NAME.pid"
- test -x $SPAWN_FCGI || exit 0
- test -x $DAEMON || exit 0
- # FCGI_APP Variables
- FCGI_CHILDREN="1"
- FCGI_SOCKET="/var/run/$NAME.socket"
- FCGI_USER="www-data"
- FCGI_GROUP="www-data"
- # Socket owner/group (will default to FCGI_USER/FCGI_GROUP if not defined)
- FCGI_SOCKET_OWNER="www-data"
- FCGI_SOCKET_GROUP="www-data"
- . /lib/lsb/init-functions
- # Default options, these can be overriden by the information
- # at /etc/default/$NAME
- DAEMON_OPTS="-f" # By default we redirect STDERR output from executed
- # CGI through FastCGI, to disable this behaviour set
- # DAEMON_OPTS to an empty value in the default's file
- ENV_VARS="PATH='$PATH'" # We reset the environ for spawn-fcgi, but we use the
- # contents of this variable as a prefix when calling it
- # to export some variables (currently just the PATH)
- DIETIME=10 # Time to wait for the server to die, in seconds
- # If this value is set too low you might not
- # let some servers to die gracefully and
- # 'restart' will not work
- QDIETIME=0.5 # The same as DIETIME, but a lot shorter for the
- # stop case.
- #STARTTIME=2 # Time to wait for the server to start, in seconds
- # If this value is set each time the server is
- # started (on start or restart) the script will
- # stall to try to determine if it is running
- # If it is not set and the server takes time
- # to setup a pid file the log message might
- # be a false positive (says it did not start
- # when it actually did)
- # Include defaults if available
- if [ -f /etc/default/$NAME ] ; then
- . /etc/default/$NAME
- fi
- set -e
- running_pid() {
- # Check if a given process pid's cmdline matches a given name
- pid=$1
- name=$2
- [ -z "$pid" ] && return 1
- [ ! -d /proc/$pid ] && return 1
- cmd="$(cat /proc/$pid/cmdline | tr "\000" "\n"|head -n 1 |cut -d : -f 1)"
- # Is this the expected server
- [ "$cmd" != "$name" ] && return 1
- return 0
- }
- running() {
- # Check if the process is running looking at /proc
- # (works for all users)
- # No pidfile, probably no daemon present
- [ ! -f "$PIDFILE" ] && return 1
- PIDS="$(cat "$PIDFILE")"
- for pid in $PIDS; do
- if [ -n "$pid" ]; then
- running_pid $pid $DAEMON && return 0 || true
- fi
- done
- return 1
- }
- start_server() {
- ARGS="-P $PIDFILE"
- # Adjust NUMBER of processes
- if [ -n "$FCGI_CHILDREN" ]; then
- ARGS="$ARGS -F '$FCGI_CHILDREN'"
- fi
- # Adjust SOCKET or PORT and ADDR
- if [ -n "$FCGI_SOCKET" ]; then
- ARGS="$ARGS -s '$FCGI_SOCKET'"
- elif [ -n "$FCGI_PORT" ]; then
- if [ -n "$FCGI_ADDR" ]; then
- ARGS="$ARGS -a '$FCGI_ADDR'"
- fi
- ARGS="$ARGS -p '$FCGI_PORT'"
- fi
- # Adjust user
- if [ -n "$FCGI_USER" ]; then
- ARGS="$ARGS -u '$FCGI_USER'"
- if [ -n "$FCGI_SOCKET" ]; then
- if [ -n "$FCGI_SOCKET_OWNER" ]; then
- ARGS="$ARGS -U '$FCGI_SOCKET_OWNER'"
- else
- ARGS="$ARGS -U '$FCGI_USER'"
- fi
- fi
- fi
- # Adjust group
- if [ -n "$FCGI_GROUP" ]; then
- ARGS="$ARGS -g '$FCGI_GROUP'"
- if [ -n "$FCGI_SOCKET" ]; then
- if [ -n "$FCGI_SOCKET_GROUP" ]; then
- ARGS="$ARGS -G '$FCGI_SOCKET_GROUP'"
- else
- ARGS="$ARGS -G '$FCGI_GROUP'"
- fi
- fi
- fi
- eval $(echo env -i $ENV_VARS $SPAWN_FCGI $ARGS -- $DAEMON $DAEMON_OPTS) \
- > /dev/null
- errcode="$?"
- return $errcode
- }
- stop_server() {
- # Force the process to die killing it manually
- [ ! -e "$PIDFILE" ] && return
- PIDS="$(cat "$PIDFILE")"
- for pid in $PIDS; do
- if running_pid $pid $DAEMON; then
- kill -15 $pid
- # Is it really dead?
- sleep "$QDIETIME"s
- if running_pid $pid $DAEMON; then
- kill -9 $pid
- sleep "$QDIETIME"s
- if running_pid $pid $DAEMON; then
- echo "Cannot kill $NAME (pid=$pid)!"
- exit 1
- fi
- fi
- fi
- done
- rm -f "$PIDFILE"
- if [ -n "$FCGI_SOCKET" ]; then
- rm -f "$FCGI_SOCKET"
- fi
- }
- case "$1" in
- start)
- log_daemon_msg "Starting $DESC" "$NAME"
- # Check if it's running first
- if running ; then
- log_progress_msg "apparently already running"
- log_end_msg 0
- exit 0
- fi
- if start_server ; then
- # NOTE: Some servers might die some time after they start,
- # this code will detect this issue if STARTTIME is set
- # to a reasonable value
- [ -n "$STARTTIME" ] && sleep $STARTTIME # Wait some time
- if running ; then
- # It's ok, the server started and is running
- log_end_msg 0
- else
- # It is not running after we did start
- log_end_msg 1
- fi
- else
- # Either we could not start it
- log_end_msg 1
- fi
- ;;
- stop|force-stop)
- log_daemon_msg "Stopping $DESC" "$NAME"
- if running ; then
- # Only stop the server if we see it running
- errcode=0
- stop_server || errcode=$?
- log_end_msg $errcode
- else
- # If it's not running don't do anything
- log_progress_msg "apparently not running"
- log_end_msg 0
- exit 0
- fi
- ;;
- restart|force-reload)
- log_daemon_msg "Restarting $DESC" "$NAME"
- errcode=0
- stop_server || errcode=$?
- # Wait some sensible amount, some server need this
- [ -n "$DIETIME" ] && sleep $DIETIME
- start_server || errcode=$?
- [ -n "$STARTTIME" ] && sleep $STARTTIME
- running || errcode=$?
- log_end_msg $errcode
- ;;
- status)
- log_daemon_msg "Checking status of $DESC" "$NAME"
- if running ; then
- log_progress_msg "running"
- log_end_msg 0
- else
- log_progress_msg "apparently not running"
- log_end_msg 1
- exit 1
- fi
- ;;
- # Use this if the daemon cannot reload
- reload)
- log_warning_msg "Reloading $NAME daemon: not implemented, as the daemon"
- log_warning_msg "cannot re-read the config file (use restart)."
- ;;
- *)
- N=/etc/init.d/$NAME
- echo "Usage: $N {start|stop|force-stop|restart|force-reload|status}" >&2
- exit 1
- ;;
- esac
- exit 0
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