#! /bin/sh
#-------------------------------------
#Nginx server control script
#By BB-Q 2008-10-25 17:14
#------------------------------------

DAEMON="/usr/local/openresty/nginx/sbin/nginx" 
CONF="/usr/local/openresty/nginx/conf/nginx.conf" 
PID="/usr/local/openresty/nginx/logs/nginx.pid" 

#ROOTPATH="/usr/local/etc/nginx" 
#CONF="$ROOTPATH/nginx.conf"    #"$ROOTPATH/conf/nginx.conf" 
#DAEMON="/usr/local/sbin/nginx"  #"$ROOTPATH/sbin/nginx" 
#PID="/var/run/nginx.pid"  #"$ROOTPATH/run/nginx.pid" 

nginx_start() { 
  # Sanity checks. 
  if [ ! -r $CONF ]; then
    echo "Please check the nginx config file, exiting..." 
    exit 1 
  fi 

  if [ -s $PID ]; then 
    echo "Nging is already running?" 
    exit 1 
  fi 

  echo "Starting Nginx server daemon:" 
  if [ -x $DAEMON ]; then 
    $DAEMON -c $CONF 
  fi 
} 

nginx_test_conf() { 
  echo "Checking configuration for correct syntax and" 
  echo "then trying to open files referenced in configuration..." 
  $DAEMON -t -c $CONF 
} 

nginx_term() { 
  echo "Shutdown Nginx quickly..." 
  kill -TERM $(cat $PID) 
} 

nginx_stop() { 
  echo "Shutdown Nginx gracefully..." 
  kill -QUIT $(cat $PID) 
} 

nginx_reload() { 
  echo "Reloading Nginx configuration..." 
  kill -HUP $(cat $PID) 
} 

nginx_upgrade() { 
  echo "Upgrading to the new Nginx binary." 
  echo "Make sure the Nginx binary has been replaced with new one" 
  echo "or Nginx server modules were added/removed." 
  kill -USR2 $(cat $PID) 
  sleep 3 
  kill -QUIT $(cat $PID.oldbin) 
} 

nginx_restart() { 
  nginx_stop 
  sleep 5 
  nginx_start 
} 

case "$1" in 
  check) 
    nginx_test_conf 
    ;; 
  start) 
    nginx_start 
    ;; 
  term) 
    nginx_term 
    ;; 
  stop) 
    nginx_stop 
    ;; 
  reload) 
    nginx_reload 
    ;; 
  restart) 
    nginx_restart 
    ;; 
  upgrade) 
    nginx_upgrade 
    ;; 
  *) 
  echo "usage: $0 {check|start|term|stop|reload|restart|upgrade}" 
esac

#---------- end --------------------------------------------------