#!/bin/bash
#==============================================================================
# Copyright and license info is available in the LICENSE file included with
# the Server Deployment Package (SDP), and also available online:
# https://swarm.workshop.perforce.com/projects/perforce-software-sdp/view/main/LICENSE
#------------------------------------------------------------------------------

# P4Web base init script

# Do nothing unless $SDP_INSTANCE is defined.
export SDP_INSTANCE=${1:-Unset}

if [[ $SDP_INSTANCE == Unset ]]; then
   echo -e "\nError: The SDP_INSTANCE is not defined.\n."
   exit 1
fi

# Load SDP controlled shell environment.
source /p4/common/bin/p4_vars "$SDP_INSTANCE"
if [[ $? -ne 0 ]]; then
   echo -e "\nError: Failed to load SDP environment for instance $SDP_INSTANCE.\n"
   exit 1
fi

source $P4CBIN/ps_functions.sh
if [[ $? -ne 0 ]]; then
   echo -e "\nError: Failed to load SDP ps_functions.sh lib.\n"
   exit 1
fi

if [[ $(id -u) -ne 0 ]]; then
   echo "$0 can only be run as root."
   exit 1
fi

if [[ ! -x $P4WEBBIN ]]; then
   echo -e "\nError: $P4WEBBIN is not executable."
   exit 2;
fi

if [[ ! -x $P4WEBBIN ]]; then
   echo "$P4WEBBIN is not executable."
   exit 2;
fi

# See how we were called.
case "${2:-status}" in
   start)
      echo "Starting $P4WEBBIN."
      $P4WEBBIN $P4WEBARGS &
   ;;
   status)
      p4web_pids=$(get_pids $P4WEBBIN)
      if [[ -n "$p4web_pids" ]]; then
         echo "${P4WEBBIN} is running as pids: $p4web_pids."
         exit 0
      else
         echo "${P4WEBBIN} is NOT running."
         exit 1
      fi
   ;;

   stop)
      p4web_pids=$(get_pids $P4WEBBIN)

      if [[ -n "$p4web_pids" ]]; then
         while [[ -n "$p4web_pids" ]]; do
            echo "Shutting down ${P4WEBBIN} pids: $p4web_pids."
            kill $p4web_pids 2>&1 | $GREP -v -i "No such"
            sleep 1
            p4web_pids=$(get_pids $P4WEBBIN)
         done
         echo "${P4WEBBIN} stopped."
         exit 0
      else
         echo "${P4WEBBIN} was NOT running."
         exit 1
      fi
   ;;
   restart)
      $0 $SDP_INSTANCE stop
      $0 $SDP_INSTANCE start
   ;;
   *)
      echo -e "\nUsage: $0 SDP_INSTANCE {start|stop|status|restart}\n"
      exit 1
   ;;
esac

exit 0