Add WebUI loxilb.cgi for ebpf load balancer

Signed-off-by: Vincent Li <vincent.mc.li@gmail.com>

config/rootfiles/common/web-user-interface

@@ -91,6 +91,7 @@ srv/web/ipfire/cgi-bin/wirelessclient.cgi
 srv/web/ipfire/cgi-bin/wlanap.cgi
 srv/web/ipfire/cgi-bin/zoneconf.cgi
 srv/web/ipfire/cgi-bin/ddos.cgi
+srv/web/ipfire/cgi-bin/loxilb.cgi
 #srv/web/ipfire/html
 srv/web/ipfire/html/blob.gif
 #srv/web/ipfire/html/captive

html/cgi-bin/loxilb.cgi

@@ -0,0 +1,112 @@
+#!/usr/bin/perl
+###############################################################################
+#                                                                             #
+# IPFire.org - A linux based firewall                                         #
+# Copyright (C) 2007-2020  IPFire Team  <info@ipfire.org>                     #
+# Copyright (C) 2024  BPFire <vincent.mc.li@gmail.com>                     #
+#                                                                             #
+# 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 3 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               #
+# GNU General Public License for more details.                                #
+#                                                                             #
+# You should have received a copy of the GNU General Public License           #
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
+#                                                                             #
+###############################################################################
+
+use strict;
+
+# enable only the following on debugging purpose
+use warnings;
+use CGI::Carp 'fatalsToBrowser';
+
+use IO::Socket;
+
+require '/var/ipfire/general-functions.pl';
+require "${General::swroot}/location-functions.pl";
+require "${General::swroot}/lang.pl";
+require "${General::swroot}/header.pl";
+
+my %color = ();
+my %mainsettings = ();
+my %loxilbsettings=();
+my %checked=();
+my $errormessage='';
+my $loxilbsettingfile = "${General::swroot}/loxilb/settings";
+
+
+# Read configuration file.
+
+&General::readhash("${General::swroot}/main/settings", \%mainsettings);
+&General::readhash("/srv/web/ipfire/html/themes/ipfire/include/colors.txt", \%color);
+
+&Header::showhttpheaders();
+
+$loxilbsettings{'ENABLE_LOXILB'} = 'off';
+$loxilbsettings{'ACTION'} = '';
+
+&Header::getcgihash(\%loxilbsettings);
+
+if ($loxilbsettings{'ACTION'} eq $Lang::tr{'save'})
+{
+
+	&General::writehash("$loxilbsettingfile", \%loxilbsettings);
+
+	if ($loxilbsettings{'ENABLE_LOXILB'} eq 'on') {
+		&General::system('/usr/bin/touch', "${General::swroot}/loxilb/enableloxilb");
+		&General::system('/usr/local/bin/loxilbctrl', 'start');
+	} else {
+		&General::system('/usr/local/bin/loxilbctrl', 'stop');
+		unlink "${General::swroot}/loxilb/enableloxilb";
+	}
+
+}
+
+&Header::openpage($Lang::tr{'loxilb'}, 1, '');
+
+&Header::openbigbox('100%', 'left', '', $errormessage);
+
+if ($errormessage) {
+	&Header::openbox('100%', 'left', $Lang::tr{'error messages'});
+	print "<font class='base'>$errormessage&nbsp;</font>\n";
+	&Header::closebox();
+}
+
+# Read configuration file.
+&General::readhash("$loxilbsettingfile", \%loxilbsettings);
+
+# Checkbox pre-selection.
+my $checked;
+if ($loxilbsettings{'ENABLE_LOXILB'} eq "on") {
+        $checked = "checked='checked'";
+}
+
+# Print box to enable/disable locationblock.
+print"<form method='POST' action='$ENV{'SCRIPT_NAME'}'>\n";
+
+&Header::openbox('100%', 'center', $Lang::tr{'loxilb status'});
+print <<END;
+        <table width='95%'>
+                <tr>
+                        <td width='50%' class='base'>$Lang::tr{'loxilb enable'}
+                        <td><input type='checkbox' name='ENABLE_LOXILB' $checked></td>
+                        <td align='center'><input type='submit' name='ACTION' value='$Lang::tr{'save'}'></td>
+                </tr>
+        </table>
+
+END
+
+&Header::closebox();
+
+print "</form>\n";
+#
+&Header::closebigbox();
+
+&Header::closepage();
+

langs/en/cgi-bin/en.pl

@@ -2452,7 +2452,9 @@
 'state or province' => 'State or Province',
 'static ip' => 'Static IP',
 'static routes' => 'Static Routes',
-'loxilb' => 'eBPF Load Balancer',
+'loxilb' => 'eBPF LoxiLB Load Balancer',
+'loxilb status' => 'Status',
+'loxilb enable' => 'Enable Load Balancer',
 'status' => 'Status',
 'status information' => 'Status information',
 'status ovpn' => 'OpenVPN',

langs/zh/cgi-bin/zh.pl

@@ -2420,7 +2420,9 @@
 'state or province' => '州或省',
 'static ip' => '静态IP',
 'static routes' => '静态路由',
-'loxilb' => 'eBPF 负载均衡',
+'loxilb' => 'eBPF LoxiLB 负载均衡',
+'loxilb status' => '负载均衡启用状态',
+'loxilb enable' => '启用负载均衡',
 'status' => '状态',
 'status information' => '状态信息',
 'status ovpn' => 'OpenVPN',