| 1 |
3ad6d3bb
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Bill Marquette
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<?php
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| 2 |
577c9191
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Bill Marquette
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/* $Id$ */
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| 3 |
3ad6d3bb
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Bill Marquette
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/*
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17623ab5
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Bill Marquette
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vslb.inc
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Copyright (C) 2005-2008 Bill Marquette
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All rights reserved.
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3ad6d3bb
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Bill Marquette
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17623ab5
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Bill Marquette
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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3ad6d3bb
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Bill Marquette
|
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17623ab5
|
Bill Marquette
|
1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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3ad6d3bb
|
Bill Marquette
|
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| 14 |
17623ab5
|
Bill Marquette
|
2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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| 17 |
3ad6d3bb
|
Bill Marquette
|
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| 18 |
17623ab5
|
Bill Marquette
|
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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3ad6d3bb
|
Bill Marquette
|
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| 29 |
17623ab5
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Bill Marquette
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*/
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| 30 |
3ad6d3bb
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Bill Marquette
|
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| 31 |
523855b0
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Scott Ullrich
|
/*
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| 32 |
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pfSense_BUILDER_BINARIES: /usr/local/sbin/relayd
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| 33 |
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pfSense_MODULE: routing
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| 34 |
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*/
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| 36 |
50d86c13
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Bill Marquette
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/* DISABLE_PHP_LINT_CHECKING */
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| 38 |
3ad6d3bb
|
Bill Marquette
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/* include all configuration functions */
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| 39 |
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| 40 |
50d86c13
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Bill Marquette
|
class Monitor {
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| 41 |
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private $conf = array();
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| 42 |
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function __construct($config) {
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| 43 |
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$this->conf = $config;
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| 44 |
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}
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| 45 |
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| 46 |
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public function p() {
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return "check {$this->get('proto')}";
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}
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| 49 |
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private function get($var) {
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| 50 |
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return isset($this->$var) ? $this->$var : "";
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| 51 |
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}
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| 52 |
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protected function config($element) {
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| 53 |
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return isset($this->conf[$element]) ? $this->conf[$element] : "";
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| 54 |
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}
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| 55 |
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}
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| 56 |
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| 57 |
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class TCPMonitor extends Monitor {
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| 58 |
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protected $proto = 'tcp';
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| 59 |
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}
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| 60 |
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| 61 |
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class SSLMonitor extends Monitor {
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| 62 |
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protected $proto = 'ssl';
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| 63 |
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}
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| 64 |
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| 65 |
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class ICMPMonitor extends Monitor {
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| 66 |
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protected $proto = 'icmp';
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| 67 |
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}
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| 68 |
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| 69 |
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class HTTPMonitor extends Monitor {
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protected $proto = 'http';
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function __construct($config) {
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parent::__construct($config);
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}
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public function p() {
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$method = ($this->code() != "") ? $this->code() : $this->digest();
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return "check {$this->proto} {$this->path()} {$this->host()} {$method}";
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}
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private function path() {
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return $this->config('path') != "" ? "'{$this->config('path')}'" : "";
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}
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| 83 |
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private function host() {
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return $this->config('host') != "" ? "host {$this->config('host')}" : "";
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}
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private function code() {
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return $this->config('code') != "" ? "code {$this->config('code')}" : "";
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}
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| 90 |
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| 91 |
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private function digest() {
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return $this->config('digest') != "" ? "digest {$this->config('digest')}" : "";
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}
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| 94 |
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}
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| 96 |
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class HTTPSMonitor extends HTTPMonitor {
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protected $proto = 'https';
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| 98 |
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}
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class SendMonitor extends Monitor {
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| 101 |
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private $proto = 'send';
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function __construct($config) {
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parent::__construct($config);
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}
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public function p() {
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return "check {$this->proto} {$this->data()} expect {$this->pattern()} {$this->ssl()}";
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}
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| 110 |
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private function data() {
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return $this->config('send') != "" ? "{$this->config('send')}" : "";
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| 112 |
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}
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| 113 |
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| 114 |
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private function pattern() {
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| 115 |
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return $this->config('expect') != "" ? "{$this->config('expect')}" : "";
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| 116 |
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}
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| 117 |
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| 118 |
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private function ssl() {
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return $this->config('ssl') == true ? "ssl" : "";
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}
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| 121 |
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}
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| 122 |
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| 123 |
0919224f
|
Bill Marquette
|
function echo_lbaction($action) {
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global $config;
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| 126 |
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// Index actions by name
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$actions_a = array();
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for ($i=0; isset($config['load_balancer']['lbaction'][$i]); $i++)
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$actions_a[$config['load_balancer']['lbaction'][$i]['name']] = $config['load_balancer']['lbaction'][$i];
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| 131 |
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$ret = "";
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| 132 |
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$ret .= "{$actions_a[$action]['direction']} {$actions_a[$action]['type']} {$actions_a[$action]['action']}";
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switch($actions_a[$action]['action']) {
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| 134 |
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case 'append': {
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| 135 |
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$ret .= " \"{$actions_a[$action]['options']['value']}\" to \"{$actions_a[$action]['options']['akey']}\"";
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break;
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| 137 |
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}
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| 138 |
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case 'change': {
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$ret .= " \"{$actions_a[$action]['options']['akey']}\" to \"{$actions_a[$action]['options']['value']}\"";
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| 140 |
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break;
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| 141 |
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}
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| 142 |
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case 'expect': {
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| 143 |
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$ret .= " \"{$actions_a[$action]['options']['value']}\" from \"{$actions_a[$action]['options']['akey']}\"";
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break;
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| 145 |
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}
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| 146 |
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case 'filter': {
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| 147 |
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$ret .= " \"{$actions_a[$action]['options']['value']}\" from \"{$actions_a[$action]['options']['akey']}\"";
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| 148 |
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break;
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| 149 |
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}
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| 150 |
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case 'hash': {
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| 151 |
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$ret .= " \"{$actions_a[$action]['options']['akey']}\"";
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break;
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| 153 |
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}
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| 154 |
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case 'log': {
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$ret .= " \"{$actions_a[$action]['options']['akey']}\"";
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break;
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| 157 |
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}
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| 158 |
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}
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| 159 |
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return $ret;
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| 160 |
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}
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| 161 |
50d86c13
|
Bill Marquette
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| 162 |
d3534235
|
jim-p
|
function relayd_configure($kill_first=false) {
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| 163 |
17623ab5
|
Bill Marquette
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global $config, $g;
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| 164 |
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| 165 |
a825c6f7
|
Bill Marquette
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$vs_a = $config['load_balancer']['virtual_server'];
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| 166 |
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$pool_a = $config['load_balancer']['lbpool'];
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| 167 |
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$protocol_a = $config['load_balancer']['lbprotocol'];
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| 168 |
17623ab5
|
Bill Marquette
|
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| 169 |
50d86c13
|
Bill Marquette
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$check_a = array();
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| 170 |
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| 171 |
52bd375c
|
Bill Marquette
|
foreach ((array)$config['load_balancer']['monitor_type'] as $type) {
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| 172 |
50d86c13
|
Bill Marquette
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switch($type['type']) {
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| 173 |
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case 'icmp': {
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$mon = new ICMPMonitor($type['options']);
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| 175 |
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break;
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| 176 |
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}
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| 177 |
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case 'tcp': {
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| 178 |
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$mon = new TCPMonitor($type['options']);
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| 179 |
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break;
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| 180 |
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}
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| 181 |
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case 'http': {
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| 182 |
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$mon = new HTTPMonitor($type['options']);
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| 183 |
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break;
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| 184 |
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}
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| 185 |
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case 'https': {
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| 186 |
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$mon = new HTTPSMonitor($type['options']);
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| 187 |
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break;
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| 188 |
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}
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| 189 |
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case 'send': {
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| 190 |
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$mon = new SendMonitor($type['options']);
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| 191 |
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break;
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| 192 |
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}
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| 193 |
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}
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| 194 |
596a3aba
|
Seth Mos
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if($mon) {
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| 195 |
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$check_a[$type['name']] = $mon->p();
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| 196 |
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}
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| 197 |
50d86c13
|
Bill Marquette
|
}
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| 198 |
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| 199 |
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| 200 |
17623ab5
|
Bill Marquette
|
$fd = fopen("{$g['varetc_path']}/relayd.conf", "w");
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| 201 |
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| 202 |
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/* reindex pools by name as we loop through the pools array */
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| 203 |
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$pools = array();
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| 204 |
087a89f8
|
Chris Buechler
|
$conf .= "log updates \n";
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| 205 |
4a916dc8
|
Warren Baker
|
$conf .= "timeout 1000 \n";
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| 206 |
17623ab5
|
Bill Marquette
|
/* Virtual server pools */
|
| 207 |
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if(is_array($pool_a)) {
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| 208 |
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for ($i = 0; isset($pool_a[$i]); $i++) {
|
| 209 |
|
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if(is_array($pool_a[$i]['servers'])) {
|
| 210 |
74b7361f
|
jim-p
|
if (!empty($pool_a[$i]['retry'])) {
|
| 211 |
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$retrytext = " retry {$pool_a[$i]['retry']}";
|
| 212 |
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$srvtxt = implode("{$retrytext}, ", $pool_a[$i]['servers']) . "{$retrytext}";
|
| 213 |
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} else {
|
| 214 |
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$srvtxt = implode(", ", $pool_a[$i]['servers']);
|
| 215 |
|
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}
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| 216 |
17623ab5
|
Bill Marquette
|
$conf .= "table <{$pool_a[$i]['name']}> { $srvtxt }\n";
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| 217 |
|
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/* Index by name for easier fetching when we loop through the virtual servers */
|
| 218 |
|
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$pools[$pool_a[$i]['name']] = $pool_a[$i];
|
| 219 |
|
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}
|
| 220 |
|
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}
|
| 221 |
|
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}
|
| 222 |
b6d74873
|
jim-p
|
// if(is_array($protocol_a)) {
|
| 223 |
|
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// for ($i = 0; isset($protocol_a[$i]); $i++) {
|
| 224 |
|
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// $proto = "{$protocol_a[$i]['type']} protocol \"{$protocol_a[$i]['name']}\" {\n";
|
| 225 |
|
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// if(is_array($protocol_a[$i]['lbaction'])) {
|
| 226 |
|
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// if($protocol_a[$i]['lbaction'][0] == "") {
|
| 227 |
|
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// continue;
|
| 228 |
|
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// }
|
| 229 |
|
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// for ($a = 0; isset($protocol_a[$i]['lbaction'][$a]); $a++) {
|
| 230 |
|
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// $proto .= " " . echo_lbaction($protocol_a[$i]['lbaction'][$a]) . "\n";
|
| 231 |
|
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// }
|
| 232 |
|
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// }
|
| 233 |
|
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// $proto .= "}\n";
|
| 234 |
|
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// $conf .= $proto;
|
| 235 |
|
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// }
|
| 236 |
|
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// }
|
| 237 |
|
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|
| 238 |
|
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$conf .= "dns protocol \"dnsproto\" {\n";
|
| 239 |
|
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$conf .= " tcp { nodelay, sack, socket buffer 1024, backlog 1000 }\n";
|
| 240 |
|
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$conf .= "}\n";
|
| 241 |
|
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| 242 |
327ef8eb
|
Warren Baker
|
if(is_array($vs_a)) {
|
| 243 |
0130b756
|
Warren Baker
|
for ($i = 0; isset($vs_a[$i]); $i++) {
|
| 244 |
b6d74873
|
jim-p
|
if (($vs_a[$i]['mode'] == 'relay') || ($vs_a[$i]['relay_protocol'] == 'dns')) {
|
| 245 |
|
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$conf .= "relay \"{$vs_a[$i]['name']}\" {\n";
|
| 246 |
|
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$conf .= " listen on {$vs_a[$i]['ipaddr']} port {$vs_a[$i]['port']}\n";
|
| 247 |
|
|
|
| 248 |
|
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if ($vs_a[$i]['relay_protocol'] == "dns") {
|
| 249 |
|
|
$conf .= " protocol \"dnsproto\"\n";
|
| 250 |
|
|
} else {
|
| 251 |
d30afa60
|
jim-p
|
$conf .= " protocol \"{$vs_a[$i]['relay_protocol']}\"\n";
|
| 252 |
b6d74873
|
jim-p
|
}
|
| 253 |
|
|
$lbmode = "";
|
| 254 |
|
|
if ( $pools[$vs_a[$i]['pool']]['mode'] == "loadbalance" ) {
|
| 255 |
|
|
$lbmode = "mode loadbalance";
|
| 256 |
|
|
}
|
| 257 |
|
|
|
| 258 |
|
|
$conf .= " forward to <{$vs_a[$i]['pool']}> port {$pools[$vs_a[$i]['pool']]['port']} {$lbmode} {$check_a[$pools[$vs_a[$i]['pool']]['monitor']]} \n";
|
| 259 |
|
|
|
| 260 |
|
|
if (isset($vs_a[$i]['sitedown']) && strlen($vs_a[$i]['sitedown']) > 0)
|
| 261 |
|
|
$conf .= " forward to <{$vs_a[$i]['sitedown']}> port {$pools[$vs_a[$i]['pool']]['port']} {$lbmode} {$check_a[$pools[$vs_a[$i]['pool']]['monitor']]} \n";
|
| 262 |
|
|
$conf .= "}\n";
|
| 263 |
|
|
} else {
|
| 264 |
|
|
$conf .= "redirect \"{$vs_a[$i]['name']}\" {\n";
|
| 265 |
|
|
$conf .= " listen on {$vs_a[$i]['ipaddr']} port {$vs_a[$i]['port']}\n";
|
| 266 |
|
|
$conf .= " forward to <{$vs_a[$i]['pool']}> port {$pools[$vs_a[$i]['pool']]['port']} {$check_a[$pools[$vs_a[$i]['pool']]['monitor']]} \n";
|
| 267 |
|
|
|
| 268 |
|
|
if (isset($config['system']['lb_use_sticky']))
|
| 269 |
|
|
$conf .= " sticky-address\n";
|
| 270 |
|
|
|
| 271 |
|
|
# sitedown MUST use the same port as the primary pool - sucks, but it's a relayd thing
|
| 272 |
|
|
if (isset($vs_a[$i]['sitedown']) && strlen($vs_a[$i]['sitedown']) > 0)
|
| 273 |
|
|
$conf .= " forward to <{$vs_a[$i]['sitedown']}> port {$pools[$vs_a[$i]['pool']]['port']} {$check_a[$pools[$vs_a[$i]['pool']]['monitor']]} \n";
|
| 274 |
|
|
|
| 275 |
|
|
$conf .= "}\n";
|
| 276 |
0130b756
|
Warren Baker
|
}
|
| 277 |
|
|
}
|
| 278 |
|
|
}
|
| 279 |
|
|
fwrite($fd, $conf);
|
| 280 |
|
|
fclose($fd);
|
| 281 |
|
|
|
| 282 |
|
|
if (is_process_running('relayd')) {
|
| 283 |
|
|
if (! empty($vs_a)) {
|
| 284 |
d3534235
|
jim-p
|
if ($kill_first) {
|
| 285 |
|
|
mwexec('pkill relayd');
|
| 286 |
|
|
mwexec("/usr/local/sbin/relayd -f {$g['varetc_path']}/relayd.conf");
|
| 287 |
|
|
} else {
|
| 288 |
|
|
// it's running and there is a config, just reload
|
| 289 |
|
|
mwexec("/usr/local/sbin/relayctl reload");
|
| 290 |
|
|
}
|
| 291 |
0130b756
|
Warren Baker
|
} else {
|
| 292 |
|
|
/*
|
| 293 |
|
|
* XXX: Something breaks our control connection with relayd
|
| 294 |
|
|
* and makes 'relayctl stop' not work
|
| 295 |
|
|
* rule reloads are the current suspect
|
| 296 |
|
|
* mwexec('/usr/local/sbin/relayctl stop');
|
| 297 |
|
|
* returns "command failed"
|
| 298 |
|
|
*/
|
| 299 |
|
|
mwexec('pkill relayd');
|
| 300 |
|
|
}
|
| 301 |
b1bd2119
|
Chris Buechler
|
} else {
|
| 302 |
0130b756
|
Warren Baker
|
if (! empty($vs_a)) {
|
| 303 |
|
|
// not running and there is a config, start it
|
| 304 |
|
|
mwexec("/usr/local/sbin/relayd -f {$g['varetc_path']}/relayd.conf");
|
| 305 |
|
|
}
|
| 306 |
b1bd2119
|
Chris Buechler
|
}
|
| 307 |
3ad6d3bb
|
Bill Marquette
|
}
|
| 308 |
|
|
|
| 309 |
a776c720
|
jim-p
|
function get_lb_redirects() {
|
| 310 |
|
|
/*
|
| 311 |
|
|
# relayctl show summary
|
| 312 |
|
|
Id Type Name Avlblty Status
|
| 313 |
|
|
1 redirect testvs2 active
|
| 314 |
|
|
5 table test2:80 active (3 hosts up)
|
| 315 |
|
|
11 host 192.168.1.2 91.55% up
|
| 316 |
|
|
10 host 192.168.1.3 100.00% up
|
| 317 |
|
|
9 host 192.168.1.4 88.73% up
|
| 318 |
|
|
3 table test:80 active (1 hosts up)
|
| 319 |
|
|
7 host 192.168.1.2 66.20% down
|
| 320 |
|
|
6 host 192.168.1.3 97.18% up
|
| 321 |
|
|
0 redirect testvs active
|
| 322 |
|
|
3 table test:80 active (1 hosts up)
|
| 323 |
|
|
7 host 192.168.1.2 66.20% down
|
| 324 |
|
|
6 host 192.168.1.3 97.18% up
|
| 325 |
|
|
4 table testvs-sitedown:80 active (1 hosts up)
|
| 326 |
|
|
8 host 192.168.1.4 84.51% up
|
| 327 |
|
|
# relayctl show redirects
|
| 328 |
|
|
Id Type Name Avlblty Status
|
| 329 |
|
|
1 redirect testvs2 active
|
| 330 |
|
|
0 redirect testvs active
|
| 331 |
|
|
# relayctl show redirects
|
| 332 |
|
|
Id Type Name Avlblty Status
|
| 333 |
|
|
1 redirect testvs2 active
|
| 334 |
|
|
total: 2 sessions
|
| 335 |
|
|
last: 2/60s 2/h 2/d sessions
|
| 336 |
|
|
average: 1/60s 0/h 0/d sessions
|
| 337 |
|
|
0 redirect testvs active
|
| 338 |
|
|
*/
|
| 339 |
|
|
$rdr_a = array();
|
| 340 |
|
|
exec('/usr/local/sbin/relayctl show redirects 2>&1', $rdr_a);
|
| 341 |
b6d74873
|
jim-p
|
$relay_a = array();
|
| 342 |
|
|
exec('/usr/local/sbin/relayctl show relays 2>&1', $relay_a);
|
| 343 |
a776c720
|
jim-p
|
$vs = array();
|
| 344 |
ff160984
|
jim-p
|
$cur_entry = "";
|
| 345 |
a776c720
|
jim-p
|
for ($i = 0; isset($rdr_a[$i]); $i++) {
|
| 346 |
|
|
$line = $rdr_a[$i];
|
| 347 |
|
|
if (preg_match("/^[0-9]+/", $line)) {
|
| 348 |
|
|
$regs = array();
|
| 349 |
|
|
if($x = preg_match("/^[0-9]+\s+redirect\s+([^\s]+)\s+([^\s]+)/", $line, $regs)) {
|
| 350 |
ff160984
|
jim-p
|
$cur_entry = trim($regs[1]);
|
| 351 |
a776c720
|
jim-p
|
$vs[trim($regs[1])] = array();
|
| 352 |
|
|
$vs[trim($regs[1])]['status'] = trim($regs[2]);
|
| 353 |
|
|
}
|
| 354 |
ff160984
|
jim-p
|
} elseif (($x = preg_match("/^\s+total:\s(.*)\ssessions/", $line, $regs)) && !empty($cur_entry)) {
|
| 355 |
|
|
$vs[$cur_entry]['total'] = trim($regs[1]);
|
| 356 |
|
|
} elseif (($x = preg_match("/^\s+last:\s(.*)\ssessions/", $line, $regs)) && !empty($cur_entry)) {
|
| 357 |
|
|
$vs[$cur_entry]['last'] = trim($regs[1]);
|
| 358 |
|
|
} elseif (($x = preg_match("/^\s+average:(.*)\ssessions/", $line, $regs)) && !empty($cur_entry)) {
|
| 359 |
|
|
$vs[$cur_entry]['average'] = trim($regs[1]);
|
| 360 |
a776c720
|
jim-p
|
}
|
| 361 |
|
|
}
|
| 362 |
ff160984
|
jim-p
|
$cur_entry = "";
|
| 363 |
b6d74873
|
jim-p
|
for ($i = 0; isset($relay_a[$i]); $i++) {
|
| 364 |
|
|
$line = $relay_a[$i];
|
| 365 |
|
|
if (preg_match("/^[0-9]+/", $line)) {
|
| 366 |
|
|
$regs = array();
|
| 367 |
|
|
if($x = preg_match("/^[0-9]+\s+relay\s+([^\s]+)\s+([^\s]+)/", $line, $regs)) {
|
| 368 |
ff160984
|
jim-p
|
$cur_entry = trim($regs[1]);
|
| 369 |
b6d74873
|
jim-p
|
$vs[trim($regs[1])] = array();
|
| 370 |
|
|
$vs[trim($regs[1])]['status'] = trim($regs[2]);
|
| 371 |
|
|
}
|
| 372 |
ff160984
|
jim-p
|
} elseif (($x = preg_match("/^\s+total:\s(.*)\ssessions/", $line, $regs)) && !empty($cur_entry)) {
|
| 373 |
|
|
$vs[$cur_entry]['total'] = trim($regs[1]);
|
| 374 |
|
|
} elseif (($x = preg_match("/^\s+last:\s(.*)\ssessions/", $line, $regs)) && !empty($cur_entry)) {
|
| 375 |
|
|
$vs[$cur_entry]['last'] = trim($regs[1]);
|
| 376 |
|
|
} elseif (($x = preg_match("/^\s+average:(.*)\ssessions/", $line, $regs)) && !empty($cur_entry)) {
|
| 377 |
|
|
$vs[$cur_entry]['average'] = trim($regs[1]);
|
| 378 |
b6d74873
|
jim-p
|
}
|
| 379 |
|
|
}
|
| 380 |
a776c720
|
jim-p
|
return $vs;
|
| 381 |
|
|
}
|
| 382 |
|
|
|
| 383 |
|
|
function get_lb_summary() {
|
| 384 |
|
|
$relayctl = array();
|
| 385 |
|
|
exec('/usr/local/sbin/relayctl show summary 2>&1', $relayctl);
|
| 386 |
|
|
$relay_hosts=Array();
|
| 387 |
|
|
foreach( (array) $relayctl as $line) {
|
| 388 |
|
|
$t=split("\t", $line);
|
| 389 |
|
|
switch (trim($t[1])) {
|
| 390 |
|
|
case "table":
|
| 391 |
|
|
$curpool=trim($t[2]);
|
| 392 |
|
|
break;
|
| 393 |
|
|
case "host":
|
| 394 |
|
|
$curhost=trim($t[2]);
|
| 395 |
|
|
$relay_hosts[$curpool][$curhost]['avail']=trim($t[3]);
|
| 396 |
|
|
$relay_hosts[$curpool][$curhost]['state']=trim($t[4]);
|
| 397 |
|
|
break;
|
| 398 |
|
|
}
|
| 399 |
|
|
}
|
| 400 |
|
|
return $relay_hosts;
|
| 401 |
|
|
}
|
| 402 |
|
|
|
| 403 |
9b0ddd8c
|
Ermal
|
?>
|