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#!/bin/sh
#
# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
#
# Copyright (c) 2000-2010 Oracle and/or its affiliates. All rights reserved.
#
# The contents of this file are subject to the terms of either the GNU
# General Public License Version 2 only ("GPL") or the Common Development
# and Distribution License("CDDL") (collectively, the "License").  You
# may not use this file except in compliance with the License.  You can
# obtain a copy of the License at
# https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
# or packager/legal/LICENSE.txt.  See the License for the specific
# language governing permissions and limitations under the License.
#
# When distributing the software, include this License Header Notice in each
# file and include the License file at packager/legal/LICENSE.txt.
#
# GPL Classpath Exception:
# Oracle designates this particular file as subject to the "Classpath"
# exception as provided by Oracle in the GPL Version 2 section of the License
# file that accompanied this code.
#
# Modifications:
# If applicable, add the following below the License Header, with the fields
# enclosed by brackets [] replaced by your own identifying information:
# "Portions Copyright [year] [name of copyright owner]"
#
# Contributor(s):
# If you wish your version of this file to be governed by only the CDDL or
# only the GPL Version 2, indicate your decision by adding "[Contributor]
# elects to include this software in this distribution under the [CDDL or GPL
# Version 2] license."  If you don't indicate a single choice of license, a
# recipient has the option to distribute your version of this file under
# either the CDDL, the GPL Version 2 or to extend the choice of license to
# its licensees as provided above.  However, if you add GPL Version 2 code
# and therefore, elected the GPL Version 2 license, then the option applies
# only if the new code is made subject to such option by the copyright
# holder.
#

#
# mqconfigmf
#
# Script to replace the tokens in com.sun.cmm.mq.xml and register/unregister MQ with JESMF
# Usage:
#
# mqconfigmf [OPTION]
#
# Options:
#  -h
#  Show this message
#
#  -j 
#  Specify javahome location.
#
#  -r
#  Generate Cacao Module file and register with JESMF. This is the default action.
#
#  -s
#  Silent mode. No output will be displayed.
#
#  -u
#  Unregister MQ from JESMF using generated Cacao Module File.
#
#  Exit Status
#  0    Success
#  >0   An error occurred.
#
# Current tokens supported:
#
#   _INSTALL_DATE_
#	Installation date. This token does not need to be specified, it is searched for by default by the GenerateXMLFile
#	utility. The date used is the current date.
#
#   _INSTALL_LOCATION_
#	Installation location.
#
CAT=/bin/cat
BASENAME=/bin/basename
ECHO=/bin/echo

MYDIR=`dirname $0`
cd ${MYDIR}
MYDIR=`pwd`
CMD_NAME=`${BASENAME} $0`

PATH=/usr/bin:/usr/sbin:/bin
JAVA_HOME=""
_CMDLINEJAVA_HOME=""
JAVA_CLASSPATH=${CLASSPATH}:${MYDIR}
JESMF_REGISTER=true

MQ_INSTALL_DIR=""

#-------------------------------------------------------------------------------
# usage only: define what parameters are available here
# input(s):  exitCode
#-------------------------------------------------------------------------------
usage() {
  ${CAT} <0	An error occurred

EOF
  exit $1
}

checkRoot()
{
    if [ "`uname -s`" = SunOS ] ; then
        if [ `/usr/xpg4/bin/id -u` != 0 ]; then
            echo "$0: You must be \"root\" to run this script."
            echo "Exiting."
            exit 1
        fi
    else
        if [ `/usr/bin/id -u` != 0 ]; then
            echo "$0: You must be \"root\" to run this script."
            echo "Exiting."
            exit 1
        fi
    fi
}


# Set error codes to be used by caller. The codes starts @101 to make sure
# that the existing OS codes are not used.
setErrorCodes() {
    INVALID_OS_ARCH=101
    MFWKSETUP_CMD_NOT_FOUND=102
    MQ_INSTALL_DIR_NOT_FOUND=103
    COM_SUN_CMM_MQ_XML_NOT_FOUND=104
    MFWK_CMD_FAILED=105
    TOKEN_REPLACEMENT_FAILED=106
    CACAOADM_CMD_NOT_FOUND=107
    CACAO_NOT_RUNNING=108
    USAGE_ERROR=109
}

setSolarisDefaults(){
    MQ_INSTALL_DIR="/"
    MFWK_HOME="/opt/SUNWmfwk"
    CACAOADM_CMD="/usr/sbin/cacaoadm"

    if [ ! -f "$JAVA_HOME" ]
    then
        JAVA_HOME=/usr/jdk/instances/jdk1.5.0
    fi
}

setLinuxDefaults(){
    MQ_INSTALL_DIR="/opt/sun/mq/"
    MFWK_HOME="/opt/sun/mfwk"
    CACAOADM_CMD="/opt/sun/cacao/bin/cacaoadm"

    if [ ! -f "$JAVA_HOME" ]
    then
        JAVA_HOME=/usr/java/jdk1.5.0_15
    fi
}


# This script can only be run on Solaris and Linux. Bails out if an attempt is
# made to run on any other OS.
checkOSAndSetDefaults() {
    UNAME=uname
    uName=`${UNAME}`

    if [ "${uName}" = "SunOS" ]
    then
        setSolarisDefaults
    else if [ "${uName}" = "Linux" ]
        then
            setLinuxDefaults
        else
            exit ${INVALID_OS_ARCH}
        fi
    fi
}

parseArgs() {
    OPTSTRING="hrsuj:"

    # check arguments
    while getopts "${OPTSTRING}" opt ; do
        case "${opt}" in
	    r) JESMF_REGISTER=true
	    ;;

	    s) LOGLEVEL=WARNING
	    ;;

	    u) JESMF_REGISTER=false
	    ;;

	    j) _CMDLINEJAVA_HOME=${OPTARG}
	        if [ ! -d ${_CMDLINEJAVA_HOME} -o ! -r ${_CMDLINEJAVA_HOME} ] ; then
		    ${ECHO} "${_CMDLINEJAVA_HOME} must be the root directory of a valid JVM installation"
		    exit 1
	        fi
	    ;;

	    h) usage 0
	    ;;

	    ?) usage 1
	    ;;
        esac
    done
}

parseArgsOld() {
    if [ $# -gt 3 ]
    then
	    exit ${USAGE_ERROR}
    fi

    if [ $# -gt 0 ]
    then
	MFWK_OPTION=$1
    fi

    if [ $# -gt 1 ]
    then
	MQ_INSTALL_DIR=$2
    fi

    if [ $# -gt 2 ]
    then
        MFWK_HOME=$3
    fi
}

checkOSAndInitVars() {
    XML_FILENAME="com.sun.cmm.mq.xml"
    MFWKSETUP="bin/mfwksetup"
    MFWKSETUP_CMD=${MFWK_HOME}/${MFWKSETUP}

    uName=`${UNAME}`
    if [ "${uName}" = "SunOS" ]
    then
        initVarsSolaris
    else if [ "${uName}" = "Linux" ]
        then
            initVarsLinux
        else
            exit ${INVALID_OS_ARCH}
        fi
    fi
}

#
# Initializing the variables used in the script
# The relative paths from MQ_INSTALL_DIR is different for a given platform
#
initVarsSolaris() {
    SRC=${MQ_INSTALL_DIR}etc/imq/xml/template/${XML_FILENAME}
    DEST=${MQ_INSTALL_DIR}etc/imq/xml/${XML_FILENAME}
}

initVarsLinux() {
    SRC=${MQ_INSTALL_DIR}etc/xml/template/${XML_FILENAME}
    DEST=${MQ_INSTALL_DIR}etc/xml/${XML_FILENAME}
}


#validate the arguments
validateArgs(){
    if [ ! -f "${MFWK_HOME}/${MFWKSETUP}" ]
    then
	exit ${MFWKSETUP_CMD_NOT_FOUND}
    fi

    if [ ! -f "${CACAOADM_CMD}" ]
    then
	exit ${CACAOADM_CMD_NOT_FOUND}
    fi

    if [ ! -d "${MQ_INSTALL_DIR}" ]
    then
	exit ${MQ_INSTALL_DIR_NOT_FOUND}
    fi
}

doProcessing(){
    #
    # Use user specified JVM
    #
    if [ ! "$_CMDLINEJAVA_HOME" = "" ]; then
        JAVA_HOME=${_CMDLINEJAVA_HOME}
    fi

    echo SRC: $SRC
    echo DEST: $DEST
    echo MFWKSETUP_CMD: ${MFWKSETUP_CMD}
    echo CACAOADM_CMD: ${CACAOADM_CMD}
    echo JAVA_HOME: ${JAVA_HOME}
    echo JAVA_CLASSPATH: ${JAVA_CLASSPATH}

    #
    # Check if cacao is running
    #
    ${CACAOADM_CMD} list-modules > /dev/null 2>&1
    RETVAL=$?
    if [ ! ${RETVAL} = 0 ]
    then
        echo "Cacao management daemon not running. Exiting."
        exit ${CACAO_NOT_RUNNING}
    else
        echo "Cacao management daemon is running. Continuing."
    fi

    #
    # Register/unregister with JESMF
    #

    if [ "${JESMF_REGISTER}" = "true" ]
    then
	#
	# Register with JESMF
	#

	#
	# Check it template file exists
	#
        if [ ! -f "$SRC" ]
        then
	    echo "${SRC} not found. Exiting."
	    exit ${COM_SUN_CMM_MQ_XML_NOT_FOUND}
        fi

	#
	# Unregister with JESMF in case an older version of MQ is registered
	# This may fail (if MQ wasn't already registered) in which case we
	# will just proceed. 
	#

	# Best case is if the XML file that was used for registration ($DEST) is 
	# around. This file can then be used for unregistration. If this file is 
	# not around, the template file ($SRC) can be used.
	#
        if [ ! -f "$DEST" ]
	then
	    UNREGISTER_XML=$DEST
	else
	    UNREGISTER_XML=$SRC
	fi

	#
	# Check if module is registered
	#
        ${CACAOADM_CMD} list-modules -r | grep ${XML_FILENAME} > /dev/null 2>&1
        RETVAL=$?
        if [ ! ${RETVAL} = 0 ]
	then
	    echo "MQ Cacao module ${XML_FILENAME} not registered with JESMF"
	else
	    echo "Attempting to unregister existing MQ Cacao module from JESMF: $UNREGISTER_XML"

            ${MFWKSETUP_CMD} -u ${UNREGISTER_XML}
            RETVAL=$?
            if [ ! ${RETVAL} = 0 ]
            then
	        echo "Unregister of existing Message Queue Cacao module unsuccessful. Continuing."
	    else
	        echo "Unregister of existing Message Queue Cacao module successful."
            fi
	fi

	#
	# Perform token replacement
	#
	echo Running: ${JAVA_HOME}/bin/java -cp ${JAVA_CLASSPATH} GenerateXMLFile -i "${SRC}" -o "${DEST}" -t "_INSTALL_LOCATION_=${MQ_INSTALL_DIR}"
	${JAVA_HOME}/bin/java -cp ${JAVA_CLASSPATH} GenerateXMLFile -i "${SRC}" -o "${DEST}" -t "_INSTALL_LOCATION_=${MQ_INSTALL_DIR}"
        RETVAL=$?

        if [ ! ${RETVAL} = 0 ]
        then
	    exit ${TOKEN_REPLACEMENT_FAILED}
        fi	

	#
	# Register with JESMF
	#
        ${MFWKSETUP_CMD} -r ${DEST}
        RETVAL=$?
        if [ ! ${RETVAL} = 0 ]
        then
	    exit ${MFWK_CMD_FAILED}
        fi
	echo "Registered with JESMF succesful"
    else if [ "${JESMF_REGISTER}" = "false" ]
	then
	    #
	    # Unregister with JESMF
	    #

	    #
	    # Check if xml file used for registration exists
	    #
            if [ ! -f "$DEST" ]
            then
		echo "${DEST} not found. Exiting."
	        exit ${COM_SUN_CMM_MQ_XML_NOT_FOUND}
            fi

	    #
	    # Check if module is registered
	    #
            ${CACAOADM_CMD} list-modules -r | grep ${XML_FILENAME} > /dev/null 2>&1
            RETVAL=$?
            if [ ! ${RETVAL} = 0 ]
	    then
	        echo "MQ Cacao module ${XML_FILENAME} not registered with JESMF. Unregister not needed."
	    else
	        #
	        # Unregister with JESMF
	        #
                ${MFWKSETUP_CMD} -u ${DEST}
                RETVAL=$?
                if [ ! ${RETVAL} = 0 ]
                then
	            exit ${MFWK_CMD_FAILED}
                fi
	        echo "Unregistered with JESMF succesful"
	    fi
	fi
    fi 

    exit 0
}

########
# MAIN #
########
setErrorCodes
checkOSAndSetDefaults
parseArgs $*
checkRoot
checkOSAndInitVars
validateArgs
doProcessing





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