root/tags/omega-1.0.0-rc2/engine/ispcp-serv-mngr

#!/usr/bin/perl

# ISPCP(tm) - Virtual Hosting Control System
# Copyright (c) 2001-2004 by moleSoftware GmbH
# http://www.molesoftware.com
#
#
# License:
#    This program is free software; you can redistribute it and/or
#    modify it under the terms of the MPL Mozilla Public License
#    as published by the Free Software Foundation; either version 1.1
#    of the License, or (at your option) any later version.
#
#    This program 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
#    MPL Mozilla Public License for more details.
#
#    You may have received a copy of the MPL Mozilla Public License
#    along with this program.
#
#    An on-line copy of the MPL Mozilla Public License can be found
#    http://www.mozilla.org/MPL/MPL-1.1.html
#
#
# The ISPCP Home Page is at:
#
#    http://www.vhcs.net


use FindBin;
use lib "$FindBin::Bin/";
require 'ispcp_common_code.pl';

use strict;

use warnings;

sub serv_mngr_start_up {

    my ($rs, $rdata) = (undef, undef);

    push_el(\@main::el, 'serv_mngr_start_up()', 'Starting...');

    # checking for master process;

    $rs = check_master();

    return $rs if ($rs != 0);

    # Let's clear Execution Logs, if any.

    if (-e $main::ispcp_serv_mngr_el) {

        $rs = del_file($main::ispcp_serv_mngr_el);

        return $rs if ($rs != 0);

    }

    # config check;

    $rs = get_conf();

    return $rs if ($rs != 0);

    # license request check;

    #($rs, $rdata) = license_request();

    #return $rs if ($rs != 0);

    #
    # License conditions must be stand here;
    #

    # sql check;

    #
    # getting initial data also must be done here;
    #

    my $sql = "select * from domain;";

    ($rs, $rdata) = doSQL($sql);

    return $rs if ($rs != 0);

    $main::changed_dmn_cnt = $ARGV[0]."";

    $main::changed_sub_cnt = $ARGV[1]."";

    $main::changed_als_cnt = $ARGV[2]."";

    $main::changed_mail_cnt = $ARGV[3]."";

    push_el(\@main::el, 'serv_mngr_start_up()', 'Ending...');

    return 0;

}

sub serv_mngr_shut_down {

    my $rs = undef;

    push_el(\@main::el, 'serv_mngr_shut_down()', 'Starting...');

    push_el(\@main::el, 'serv_mngr_shut_down()', 'Ending...');

    return 0;

}

sub restart_httpd {

    my ($cmd, $rs, $rdata) = (undef, undef, undef);

    push_el(\@main::el, 'restart_httpd()', 'Starting...');

    $cmd = $main::cfg{'CMD_HTTPD'};

    sys_command_rs("$cmd stop");

    sleep(5);

    sys_command_rs("$cmd start");

    sleep(5);

    push_el(\@main::el, 'restart_httpd()', 'Ending...');

}

sub check_httpd {

    my ($cmd, $rs, $rdata) = (undef, undef, undef);

    push_el(\@main::el, 'check_httpd()', 'Starting...');

    $cmd = "export COLUMNS=120;$main::cfg{'CMD_PS'} aux | $main::cfg{'CMD_AWK'} '\$0 ~/$main::cfg{'APACHE_NAME'}/ {print \$0}' | $main::cfg{'CMD_WC'} | $main::cfg{'CMD_AWK'} '{print \$1}' 1>/tmp/httpd-run-check.stdout";

    $rs = sys_command($cmd);

    return ($rs, 0) if ($rs != 0);

    ($rs, $rdata) = get_file("/tmp/httpd-run-check.stdout");

    return ($rs, 0) if ($rs != 0);

    push_el(\@main::el, 'check_httpd()', 'Ending...');

    chop($rdata);

    my $pids = $rdata;

    ($rs, $rdata) = del_file("/tmp/httpd-run-check.stdout");

    return ($rs, 0) if ($rs != 0);

    return (0, $pids);

}

sub serv_mngr_engine {

    my ($cmd, $rs, $rdata) = (undef, undef, undef);

    push_el(\@main::el, 'serv_mngr_engine()', 'Starting...');


    if ($main::changed_mail_cnt > 0 || $main::changed_dmn_cnt > 0 || $main::changed_sub_cnt > 0) {

        if ($main::cfg{'CMD_MTA'} ne 'no') {

            $cmd = $main::cfg{'CMD_MTA'};

            sys_command_rs("$cmd stop");

        }

        if ($main::cfg{'CMD_AUTHD'} ne 'no') {

            $cmd = $main::cfg{'CMD_AUTHD'};

            sys_command_rs("$cmd stop");

        }

                if ($main::cfg{'CMD_AMAVIS'} ne 'no') {

                        $cmd = $main::cfg{'CMD_AMAVIS'};

                        sys_command_rs("$cmd stop");

                }


        if ($main::cfg{'CMD_IMAP'} ne 'no') {

            $cmd = $main::cfg{'CMD_IMAP'};

            sys_command_rs("$cmd stop");

        }

        if ($main::cfg{'CMD_POP'} ne 'no') {

            $cmd = $main::cfg{'CMD_POP'};

            sys_command_rs("$cmd stop");

        }

    }

    if ($main::changed_dmn_cnt > 0 || $main::changed_sub_cnt > 0 || $main::changed_als_cnt > 0) {

        if ($main::cfg{'CMD_NAMED'} ne 'no') {

            $cmd = $main::cfg{'CMD_NAMED'};

            sys_command_rs("$cmd restart");

        }

    }

    if ($main::changed_mail_cnt > 0 || $main::changed_dmn_cnt > 0 ||
        $main::changed_sub_cnt > 0 || $main::changed_als_cnt > 0) {

        if ($main::cfg{'CMD_MTA'} ne 'no') {

            $cmd = $main::cfg{'CMD_MTA'};

            sys_command_rs("$cmd start");

        }


        if ($main::cfg{'CMD_AUTHD'} ne 'no') {

            $cmd = $main::cfg{'CMD_AUTHD'};

            sys_command_rs("$cmd start");

        }

                if ($main::cfg{'CMD_AMAVIS'} ne 'no') {

                $cmd = $main::cfg{'CMD_AMAVIS'};

                sys_command_rs("$cmd start");

                }

        if ($main::cfg{'CMD_IMAP'} ne 'no') {

            $cmd = $main::cfg{'CMD_IMAP'};

            sys_command_rs("$cmd start");

        }

        if ($main::cfg{'CMD_POP'} ne 'no') {

            $cmd = $main::cfg{'CMD_POP'};

            sys_command_rs("$cmd start");

        }

    }

    if ($main::changed_dmn_cnt > 0 || $main::changed_sub_cnt > 0 || $main::changed_als_cnt > 0) {

        if ($main::cfg{'CMD_HTTPD'} ne 'no') {

            $cmd = $main::cfg{'CMD_HTTPD'};

            sys_command_rs("$cmd restart");

            sleep(3);

        }

        if ($main::cfg{'CMD_HTTPD'} ne 'no') {

            ($rs, $rdata) = check_httpd();

            return $rs if ($rs != 0);

            if ($rdata == 0) {

                my $i = 1;

                do {

                    restart_httpd();

                    ($rs, $rdata) = check_httpd();

                    return $rs if ($rs != 0);

                    $i++;

                } while ($rdata == 0 && $i <= $main::cfg{'APACHE_RESTART_TRY'});
            }

        }

    }

    push_el(\@main::el, 'serv_mngr_engine()', 'Ending...');

    return 0;

}

my $rs = undef;

$rs = serv_mngr_start_up();

if ($rs != 0) {

    dump_el(\@main::el, $main::ispcp_serv_mngr_el);

    serv_mngr_shut_down();

    exit 1;

}

$rs = serv_mngr_engine();

if ($rs != 0) {

    dump_el(\@main::el, $main::ispcp_serv_mngr_el);

    serv_mngr_shut_down();

    exit 1;

}

$rs = serv_mngr_shut_down();

if ($rs != 0) {

    dump_el(\@main::el, $main::ispcp_serv_mngr_el);

    exit 1;

}

exit 0;