#!/bin/bash
#
# Copyright 2012-2014 Red Hat, Inc.
#
# This file is part of Thermostat.
#
# Thermostat is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published
# by the Free Software Foundation; either version 2, or (at your
# option) any later version.
#
# Thermostat is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Thermostat; see the file COPYING.  If not see
# <http://www.gnu.org/licenses/>.
#
# Linking this code with other modules is making a combined work
# based on this code.  Thus, the terms and conditions of the GNU
# General Public License cover the whole combination.
#
# As a special exception, the copyright holders of this code give
# you permission to link this code with independent modules to
# produce an executable, regardless of the license terms of these
# independent modules, and to copy and distribute the resulting
# executable under terms of your choice, provided that you also
# meet, for each linked independent module, the terms and conditions
# of the license of that module.  An independent module is a module
# which is not derived from or based on this code.  If you modify
# this code, you may extend this exception to your version of the
# library, but you are not obligated to do so.  If you do not wish
# to do so, delete this exception statement from your version.
#
#####################################################################
#
# Some necessary variables.
JAVA_DIR="@java.dir@"
JAVA="@java.home@/bin/java"

if [ "$#" -lt 2 ]; then
  echo "usage: $0 <pidOfTargetJvm> <userNameOfJvmOwner>" >&2
fi

# Source thermostat-functions from same directory as this script
. "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"/thermostat-functions

if [ x"$THERMOSTAT_INSTALL_DIR" = x ] ; then
  THERMOSTAT_INSTALL_DIR=$(_find_thermostat_home)
fi
# Not always are installation directory and thermostat home one and
# the same location.
if [ x"$THERMOSTAT_HOME" = x ] ; then
  THERMOSTAT_HOME=${THERMOSTAT_INSTALL_DIR}
fi
THERMOSTAT_LIBS="${THERMOSTAT_HOME}/libs"

# Need tools from the JVM
TOOLS_JAR="@java.home@/../lib/tools.jar"

# JARs necessary for the server
SERVICE_CLASSPATH="${THERMOSTAT_LIBS}/thermostat-common-core-@project.version@.jar"
SERVICE_CLASSPATH="${SERVICE_CLASSPATH}:${THERMOSTAT_LIBS}/thermostat-shared-config-@project.version@.jar"
SERVICE_CLASSPATH="${SERVICE_CLASSPATH}:${THERMOSTAT_LIBS}/thermostat-agent-proxy-server-@project.version@.jar"
SERVICE_CLASSPATH="${TOOLS_JAR}:${SERVICE_CLASSPATH}"

AGENT_PROXY_CLASS="com.redhat.thermostat.agent.proxy.server.AgentProxy"

# Set this to remote debug
if [ x"$THERMOSTAT_DEBUG" != x ] ; then
  DEBUG_OPTS="-Xdebug -Xrunjdwp:transport=dt_socket,server=y,address=1082"
fi

# Start server
# Drop permissions, if root
if [ "$(id -u)" -eq 0 ]; then
  /bin/su -s /bin/bash -c "${JAVA} -cp ${SERVICE_CLASSPATH} ${DEBUG_OPTS} ${AGENT_PROXY_CLASS} $1" "$2" 
else
  ${JAVA} -cp ${SERVICE_CLASSPATH} ${DEBUG_OPTS} ${AGENT_PROXY_CLASS} $1
fi