#!/usr/bin/sh
#----------------------------------------------------------------------------
# /var/install/bin/pre-setup-system-logging-logfileview-menu
#
# Creation:     2011-05-08 hbfl
# Last Update:  $Id$
#
# Copyright (c) 2011-@@YEAR@@ the eisfair team, team(at)eisfair(dot)org
#
# This program 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 of the License, or
# (at your option) any later version.
#----------------------------------------------------------------------------

. /var/install/include/eislib
. /etc/config.d/syslogd

# ---------------------------------------------------------------------------
# get logfile target from syslogd config file
# ---------------------------------------------------------------------------
get_logfile_entry()
{
    show_target=''
    separator=''
    # build target list in $logfiles
    idx=1
    while [ ${idx} -le ${SYSLOGD_DEST_N:-0} ]
    do
        eval active='${SYSLOGD_DEST_'${idx}'_ACTIVE}'

        if [ "${active}" != "yes" ]
        then
            idx=$((${idx} + 1))
            continue
        fi

        eval target='${SYSLOGD_DEST_'${idx}'_TARGET}'

        # check for @IP-address values
        if ! echo "${target}" | grep -q '^@'
        then
            # check for devices like /dev/console
            if ! echo "${target}" | grep -q '^/dev/'
            then
                show_target="${show_target}${separator}${target}"
                separator=" "
           fi
        fi
        idx=$((${idx} + 1))
    done
}

# ---------------------------------------------------------------------------
# create logfile view entry
# ---------------------------------------------------------------------------
create_logfile_view_menu()
{
    {
        for l_file in ${show_target}
        do
            l_mesg=$(basename "${l_file}")
            l_file=$(echo "${l_file}" | sed 's#\*#\\\*#g')

            echo "<doc tail=\"yes\" file=\"${l_file}\">"View ${l_mesg}"</doc>"
            echo "<menu file=\"setup.system.logging.${sub_package}${sub_menue_delimeter}logfileview.${l_mesg}.menu\">"View older ${l_mesg}"</menu>"
        done
    } >> ${menu_file}
}

# ---------------------------------------------------------------------------
# createn logfile view header
# ---------------------------------------------------------------------------
create_logfile_view_menu_header()
{
    {
        echo "<title>Logfile view</title>"
        echo "<package>${package}</package>"
        echo "<!-- /var/install/menu/setup.system.logging.${sub_package}${sub_menue_delimeter}logfileview.menu -->"
        echo "<!-- Creation:  $(/bin/date +%Y-%m-%d) by /var/install/bin/pre-setup-system-logging.${sub_package}${sub_file_delimeter}logfileview-menu -->"

    } > ${menu_file}
    chmod 0640 ${menu_file}
}

# ---------------------------------------------------------------------------
# create sub logfile menu
# ---------------------------------------------------------------------------
create_sub_logfile_view_menu()
{
    for l_file in ${show_target}
    do
        l_dir=$(dirname "${l_file}")
        l_mesg=$(basename "${l_file}")
        fields=$((1 + $( echo ${l_mesg} | awk -F. '{ print NF }')))
        l_file=$(echo "${l_mesg}" | sed 's#\*#\\\*#g')

        logfiles=$(find ${l_dir} -maxdepth 1 -name "${l_file}.*" |
                    sort -t. -n -k${fields})
        logfiles=$(echo "${logfiles}" | sed 's#\*#\\\*#g')

        {
            echo "<title>Logfile ${l_mesg} view</title>"
            echo "<package>${package}</package>"
            echo "<!-- /var/install/menu/setup.system.logging.${sub_package}${sub_menue_delimeter}logfileview.${l_mesg}.menu -->"
            echo "<!-- Creation:  $(/bin/date +%Y-%m-%d) by /var/install/bin/pre-setup-system-logging-${sub_package}${sub_file_delimeter}logfileview-menu -->"

            for t_file in ${logfiles}
            do
                t_mesg=$(basename "${t_file}")
                t_file=$(echo "${t_file}" | sed 's#\*#\\\*#g')
                echo "<doc tail=\"yes\" file=\"${t_file}\">"View ${t_mesg}"</doc>"
            done
        } > /var/install/menu/setup.system.logging.${sub_package}${sub_menue_delimeter}logfileview.${l_mesg}.menu
        chmod 0640 /var/install/menu/setup.system.logging.${sub_package}${sub_menue_delimeter}logfileview.${l_mesg}.menu
    done
}

# ---------------------------------------------------------------------------
# main
# ---------------------------------------------------------------------------
main()
{
    sub_package=''
    sub_menue_delimeter=''
    sub_file_delimeter=''

    package="${2}"
    menu_file="${4}"

    if [ "${package}" = "syslogd" ]
    then
        sub_package="${package}"
        sub_menue_delimeter='.'
        sub_file_delimeter='-'
    fi

    if [ "${START_SYSLOGD}" = "yes" ]
    then
        get_logfile_entry
        create_logfile_view_menu_header
        create_logfile_view_menu
        create_sub_logfile_view_menu
    else
        create_logfile_view_menu_header

        mecho
        mecho --warn "START_SYSLOGD => no"
        mecho
        anykey
    fi
}

# ---------------------------------------------------------------------------
# exec main
# ---------------------------------------------------------------------------
main "${@}"

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