[7589] | 1 | #!/usr/bin/php |
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| 2 | <?php |
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| 3 | /*********************************************** |
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| 4 | * File : z-push-top.php |
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| 5 | * Project : Z-Push |
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| 6 | * Descr : Shows realtime information about |
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| 7 | * connected devices and active |
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| 8 | * connections in a top-style format. |
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| 9 | * |
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| 10 | * Created : 07.09.2011 |
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| 11 | * |
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| 12 | * Copyright 2007 - 2012 Zarafa Deutschland GmbH |
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| 13 | * |
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| 14 | * This program is free software: you can redistribute it and/or modify |
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| 15 | * it under the terms of the GNU Affero General Public License, version 3, |
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| 16 | * as published by the Free Software Foundation with the following additional |
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| 17 | * term according to sec. 7: |
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| 18 | * |
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| 19 | * According to sec. 7 of the GNU Affero General Public License, version 3, |
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| 20 | * the terms of the AGPL are supplemented with the following terms: |
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| 21 | * |
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| 22 | * "Zarafa" is a registered trademark of Zarafa B.V. |
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| 23 | * "Z-Push" is a registered trademark of Zarafa Deutschland GmbH |
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| 24 | * The licensing of the Program under the AGPL does not imply a trademark license. |
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| 25 | * Therefore any rights, title and interest in our trademarks remain entirely with us. |
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| 26 | * |
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| 27 | * However, if you propagate an unmodified version of the Program you are |
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| 28 | * allowed to use the term "Z-Push" to indicate that you distribute the Program. |
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| 29 | * Furthermore you may use our trademarks where it is necessary to indicate |
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| 30 | * the intended purpose of a product or service provided you use it in accordance |
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| 31 | * with honest practices in industrial or commercial matters. |
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| 32 | * If you want to propagate modified versions of the Program under the name "Z-Push", |
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| 33 | * you may only do so if you have a written permission by Zarafa Deutschland GmbH |
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| 34 | * (to acquire a permission please contact Zarafa at trademark@zarafa.com). |
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| 35 | * |
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| 36 | * This program is distributed in the hope that it will be useful, |
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| 37 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 38 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 39 | * GNU Affero General Public License for more details. |
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| 40 | * |
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| 41 | * You should have received a copy of the GNU Affero General Public License |
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| 42 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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| 43 | * |
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| 44 | * Consult LICENSE file for details |
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| 45 | ************************************************/ |
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| 46 | |
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| 47 | include('lib/exceptions/exceptions.php'); |
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| 48 | include('lib/core/zpushdefs.php'); |
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| 49 | include('lib/core/zpush.php'); |
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| 50 | include('lib/core/zlog.php'); |
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| 51 | include('lib/core/interprocessdata.php'); |
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| 52 | include('lib/core/topcollector.php'); |
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| 53 | include('lib/utils/utils.php'); |
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| 54 | include('lib/request/request.php'); |
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| 55 | include('lib/request/requestprocessor.php'); |
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| 56 | include('config.php'); |
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| 57 | include('version.php'); |
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| 58 | |
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| 59 | /************************************************ |
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| 60 | * MAIN |
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| 61 | */ |
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| 62 | declare(ticks = 1); |
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| 63 | define('BASE_PATH_CLI', dirname(__FILE__) ."/"); |
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| 64 | |
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| 65 | try { |
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| 66 | ZPush::CheckConfig(); |
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| 67 | if (!function_exists("pcntl_signal")) |
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| 68 | throw new FatalException("Function pcntl_signal() is not available. Please install package 'php5-pcntl' (or similar) on your system."); |
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| 69 | |
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| 70 | $zpt = new ZPushTop(); |
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| 71 | |
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| 72 | // check if help was requested from CLI |
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| 73 | if (in_array('-h', $argv) || in_array('--help', $argv)) { |
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| 74 | echo $zpt->UsageInstructions(); |
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| 75 | exit(1); |
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| 76 | } |
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| 77 | |
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| 78 | if ($zpt->IsAvailable()) { |
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| 79 | pcntl_signal(SIGINT, array($zpt, "SignalHandler")); |
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| 80 | $zpt->run(); |
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| 81 | $zpt->scrClear(); |
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| 82 | system("stty sane"); |
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| 83 | } |
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| 84 | else |
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| 85 | echo "Z-Push shared memory interprocess communication is not available.\n"; |
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| 86 | } |
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| 87 | catch (ZPushException $zpe) { |
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| 88 | die(get_class($zpe) . ": ". $zpe->getMessage() . "\n"); |
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| 89 | } |
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| 90 | |
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| 91 | echo "terminated\n"; |
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| 92 | |
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| 93 | |
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| 94 | /************************************************ |
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| 95 | * Z-Push-Top |
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| 96 | */ |
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| 97 | class ZPushTop { |
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| 98 | // show options |
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| 99 | const SHOW_DEFAULT = 0; |
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| 100 | const SHOW_ACTIVE_ONLY = 1; |
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| 101 | const SHOW_UNKNOWN_ONLY = 2; |
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| 102 | const SHOW_TERM_DEFAULT_TIME = 5; // 5 secs |
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| 103 | |
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| 104 | private $topCollector; |
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| 105 | private $starttime; |
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| 106 | private $action; |
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| 107 | private $filter; |
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| 108 | private $status; |
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| 109 | private $statusexpire; |
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| 110 | private $wide; |
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| 111 | private $wasEnabled; |
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| 112 | private $terminate; |
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| 113 | private $scrSize; |
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| 114 | private $pingInterval; |
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| 115 | private $showPush; |
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| 116 | private $showTermSec; |
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| 117 | |
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| 118 | private $linesActive = array(); |
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| 119 | private $linesOpen = array(); |
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| 120 | private $linesUnknown = array(); |
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| 121 | private $linesTerm = array(); |
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| 122 | private $pushConn = 0; |
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| 123 | private $activeConn = array(); |
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| 124 | private $activeHosts = array(); |
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| 125 | private $activeUsers = array(); |
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| 126 | private $activeDevices = array(); |
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| 127 | |
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| 128 | /** |
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| 129 | * Constructor |
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| 130 | * |
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| 131 | * @access public |
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| 132 | */ |
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| 133 | public function ZPushTop() { |
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| 134 | $this->starttime = time(); |
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| 135 | $this->currenttime = time(); |
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| 136 | $this->action = ""; |
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| 137 | $this->filter = false; |
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| 138 | $this->status = false; |
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| 139 | $this->statusexpire = 0; |
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| 140 | $this->helpexpire = 0; |
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| 141 | $this->doingTail = false; |
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| 142 | $this->wide = false; |
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| 143 | $this->terminate = false; |
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| 144 | $this->showPush = true; |
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| 145 | $this->showOption = self::SHOW_DEFAULT; |
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| 146 | $this->showTermSec = self::SHOW_TERM_DEFAULT_TIME; |
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| 147 | $this->scrSize = array('width' => 80, 'height' => 24); |
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| 148 | $this->pingInterval = (defined('PING_INTERVAL') && PING_INTERVAL > 0) ? PING_INTERVAL : 12; |
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| 149 | |
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| 150 | // get a TopCollector |
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| 151 | $this->topCollector = new TopCollector(); |
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| 152 | } |
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| 153 | |
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| 154 | /** |
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| 155 | * Requests data from the running Z-Push processes |
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| 156 | * |
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| 157 | * @access private |
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| 158 | * @return |
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| 159 | */ |
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| 160 | private function initialize() { |
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| 161 | // request feedback from active processes |
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| 162 | $this->wasEnabled = $this->topCollector->CollectData(); |
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| 163 | |
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| 164 | // remove obsolete data |
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| 165 | $this->topCollector->ClearLatest(true); |
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| 166 | |
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| 167 | // start with default colours |
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| 168 | $this->scrDefaultColors(); |
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| 169 | } |
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| 170 | |
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| 171 | /** |
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| 172 | * Main loop of Z-Push-top |
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| 173 | * Runs until termination is requested |
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| 174 | * |
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| 175 | * @access public |
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| 176 | * @return |
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| 177 | */ |
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| 178 | public function run() { |
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| 179 | $this->initialize(); |
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| 180 | |
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| 181 | do { |
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| 182 | $this->currenttime = time(); |
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| 183 | |
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| 184 | // see if shared memory is active |
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| 185 | if (!$this->IsAvailable()) |
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| 186 | $this->terminate = true; |
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| 187 | |
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| 188 | // active processes should continue sending data |
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| 189 | $this->topCollector->CollectData(); |
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| 190 | |
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| 191 | // get and process data from processes |
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| 192 | $this->topCollector->ClearLatest(); |
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| 193 | $topdata = $this->topCollector->ReadLatest(); |
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| 194 | $this->processData($topdata); |
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| 195 | |
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| 196 | // clear screen |
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| 197 | $this->scrClear(); |
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| 198 | |
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| 199 | // check if screen size changed |
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| 200 | $s = $this->scrGetSize(); |
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| 201 | if ($this->scrSize['width'] != $s['width']) { |
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| 202 | if ($s['width'] > 180) |
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| 203 | $this->wide = true; |
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| 204 | else |
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| 205 | $this->wide = false; |
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| 206 | } |
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| 207 | $this->scrSize = $s; |
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| 208 | |
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| 209 | // print overview |
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| 210 | $this->scrOverview(); |
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| 211 | |
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| 212 | // wait for user input |
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| 213 | $this->readLineProcess(); |
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| 214 | } |
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| 215 | while($this->terminate != true); |
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| 216 | } |
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| 217 | |
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| 218 | /** |
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| 219 | * Indicates if TopCollector is available collecting data |
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| 220 | * |
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| 221 | * @access public |
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| 222 | * @return boolean |
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| 223 | */ |
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| 224 | public function IsAvailable() { |
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| 225 | return $this->topCollector->IsActive(); |
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| 226 | } |
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| 227 | |
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| 228 | /** |
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| 229 | * Processes data written by the running processes |
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| 230 | * |
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| 231 | * @param array $data |
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| 232 | * |
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| 233 | * @access private |
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| 234 | * @return |
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| 235 | */ |
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| 236 | private function processData($data) { |
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| 237 | $this->linesActive = array(); |
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| 238 | $this->linesOpen = array(); |
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| 239 | $this->linesUnknown = array(); |
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| 240 | $this->linesTerm = array(); |
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| 241 | $this->pushConn = 0; |
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| 242 | $this->activeConn = array(); |
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| 243 | $this->activeHosts = array(); |
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| 244 | $this->activeUsers = array(); |
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| 245 | $this->activeDevices = array(); |
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| 246 | |
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| 247 | if (!is_array($data)) |
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| 248 | return; |
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| 249 | |
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| 250 | foreach ($data as $devid=>$users) { |
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| 251 | foreach ($users as $user=>$pids) { |
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| 252 | foreach ($pids as $pid=>$line) { |
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| 253 | if (!is_array($line)) |
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| 254 | continue; |
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| 255 | |
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| 256 | $line['command'] = Utils::GetCommandFromCode($line['command']); |
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| 257 | |
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| 258 | if ($line["ended"] == 0) { |
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| 259 | $this->activeDevices[$devid] = 1; |
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| 260 | $this->activeUsers[$user] = 1; |
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| 261 | $this->activeConn[$pid] = 1; |
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| 262 | $this->activeHosts[$line['ip']] = 1; |
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| 263 | |
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| 264 | $line["time"] = $this->currenttime - $line['start']; |
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| 265 | if ($line['push'] === true) $this->pushConn += 1; |
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| 266 | |
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| 267 | // ignore push connections |
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| 268 | if ($line['push'] === true && ! $this->showPush) |
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| 269 | continue; |
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| 270 | |
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| 271 | if ($this->filter !== false) { |
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| 272 | $f = $this->filter; |
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| 273 | if (!($line["pid"] == $f || $line["ip"] == $f || strtolower($line['command']) == strtolower($f) || preg_match("/.*?$f.*?/i", $line['user']) || |
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| 274 | preg_match("/.*?$f.*?/i", $line['devagent']) || preg_match("/.*?$f.*?/i", $line['devid']) || preg_match("/.*?$f.*?/i", $line['addinfo']) )) |
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| 275 | continue; |
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| 276 | } |
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| 277 | |
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| 278 | $lastUpdate = $this->currenttime - $line["update"]; |
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| 279 | if ($this->currenttime - $line["update"] < 2) |
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| 280 | $this->linesActive[$line["update"].$line["pid"]] = $line; |
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| 281 | else if (($line['push'] === true && $lastUpdate > ($this->pingInterval+2)) || ($line['push'] !== true && $lastUpdate > 4)) |
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| 282 | $this->linesUnknown[$line["update"].$line["pid"]] = $line; |
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| 283 | else |
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| 284 | $this->linesOpen[$line["update"].$line["pid"]] = $line; |
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| 285 | } |
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| 286 | else { |
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| 287 | // do not show terminated + expired connections |
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| 288 | if ($line['ended'] + $this->showTermSec < $this->currenttime) |
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| 289 | continue; |
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| 290 | |
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| 291 | if ($this->filter !== false) { |
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| 292 | $f = $this->filter; |
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| 293 | if (!($line['pid'] == $f || $line['ip'] == $f || strtolower($line['command']) == strtolower($f) || preg_match("/.*?$f.*?/i", $line['user']) || |
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| 294 | preg_match("/.*?$f.*?/i", $line['devagent']) || preg_match("/.*?$f.*?/i", $line['devid']) || preg_match("/.*?$f.*?/i", $line['addinfo']) )) |
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| 295 | continue; |
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| 296 | } |
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| 297 | |
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| 298 | $line['time'] = $line['ended'] - $line['start']; |
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| 299 | $this->linesTerm[$line['update'].$line['pid']] = $line; |
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| 300 | } |
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| 301 | } |
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| 302 | } |
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| 303 | } |
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| 304 | |
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| 305 | // sort by execution time |
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| 306 | krsort($this->linesActive); |
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| 307 | krsort($this->linesOpen); |
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| 308 | krsort($this->linesUnknown); |
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| 309 | krsort($this->linesTerm); |
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| 310 | } |
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| 311 | |
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| 312 | /** |
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| 313 | * Prints data to the terminal |
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| 314 | * |
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| 315 | * @access private |
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| 316 | * @return |
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| 317 | */ |
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| 318 | private function scrOverview() { |
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| 319 | $linesAvail = $this->scrSize['height'] - 8; |
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| 320 | $lc = 1; |
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| 321 | $this->scrPrintAt($lc,0, "\033[1mZ-Push top live statistics\033[0m\t\t\t\t\t". @strftime("%d/%m/%Y %T")."\n"); $lc++; |
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| 322 | |
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| 323 | $this->scrPrintAt($lc,0, sprintf("Open connections: %d\t\t\t\tUsers:\t %d\tZ-Push: %s ",count($this->activeConn),count($this->activeUsers), $this->getVersion())); $lc++; |
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| 324 | $this->scrPrintAt($lc,0, sprintf("Push connections: %d\t\t\t\tDevices: %d\tPHP-MAPI: %s", $this->pushConn, count($this->activeDevices),phpversion("mapi"))); $lc++; |
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| 325 | $this->scrPrintAt($lc,0, sprintf(" Hosts:\t %d", $this->pushConn, count($this->activeHosts))); $lc++; |
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| 326 | $lc++; |
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| 327 | |
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| 328 | $this->scrPrintAt($lc,0, "\033[4m". $this->getLine(array('pid'=>'PID', 'ip'=>'IP', 'user'=>'USER', 'command'=>'COMMAND', 'time'=>'TIME', 'devagent'=>'AGENT', 'devid'=>'DEVID', 'addinfo'=>'Additional Information')). str_repeat(" ",20)."\033[0m"); $lc++; |
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| 329 | |
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| 330 | // print help text if requested |
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| 331 | $hl = 0; |
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| 332 | if ($this->helpexpire > $this->currenttime) { |
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| 333 | $help = $this->scrHelp(); |
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| 334 | $linesAvail -= count($help); |
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| 335 | $hl = $this->scrSize['height'] - count($help) -1; |
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| 336 | foreach ($help as $h) { |
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| 337 | $this->scrPrintAt($hl,0, $h); |
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| 338 | $hl++; |
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| 339 | } |
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| 340 | } |
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| 341 | |
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| 342 | $toPrintActive = $linesAvail; |
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| 343 | $toPrintOpen = $linesAvail; |
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| 344 | $toPrintUnknown = $linesAvail; |
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| 345 | $toPrintTerm = $linesAvail; |
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| 346 | |
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| 347 | // default view: show all unknown, no terminated and half active+open |
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| 348 | if (count($this->linesActive) + count($this->linesOpen) + count($this->linesUnknown) > $linesAvail) { |
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| 349 | $toPrintUnknown = count($this->linesUnknown); |
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| 350 | $toPrintActive = count($this->linesActive); |
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| 351 | $toPrintOpen = $linesAvail-$toPrintUnknown-$toPrintActive; |
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| 352 | $toPrintTerm = 0; |
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| 353 | } |
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| 354 | |
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| 355 | if ($this->showOption == self::SHOW_ACTIVE_ONLY) { |
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| 356 | $toPrintActive = $linesAvail; |
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| 357 | $toPrintOpen = 0; |
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| 358 | $toPrintUnknown = 0; |
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| 359 | $toPrintTerm = 0; |
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| 360 | } |
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| 361 | |
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| 362 | if ($this->showOption == self::SHOW_UNKNOWN_ONLY) { |
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| 363 | $toPrintActive = 0; |
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| 364 | $toPrintOpen = 0; |
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| 365 | $toPrintUnknown = $linesAvail; |
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| 366 | $toPrintTerm = 0; |
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| 367 | } |
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| 368 | |
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| 369 | $linesprinted = 0; |
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| 370 | foreach ($this->linesActive as $time=>$l) { |
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| 371 | if ($linesprinted >= $toPrintActive) |
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| 372 | break; |
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| 373 | |
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| 374 | $this->scrPrintAt($lc,0, "\033[01m" . $this->getLine($l) ."\033[0m"); |
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| 375 | $lc++; |
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| 376 | $linesprinted++; |
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| 377 | } |
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| 378 | |
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| 379 | $linesprinted = 0; |
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| 380 | foreach ($this->linesOpen as $time=>$l) { |
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| 381 | if ($linesprinted >= $toPrintOpen) |
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| 382 | break; |
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| 383 | |
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| 384 | $this->scrPrintAt($lc,0, $this->getLine($l)); |
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| 385 | $lc++; |
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| 386 | $linesprinted++; |
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| 387 | } |
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| 388 | |
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| 389 | $linesprinted = 0; |
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| 390 | foreach ($this->linesUnknown as $time=>$l) { |
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| 391 | if ($linesprinted >= $toPrintUnknown) |
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| 392 | break; |
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| 393 | |
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| 394 | $color = "0;31m"; |
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| 395 | if ($l['push'] == false && $time - $l["start"] > 30) |
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| 396 | $color = "1;31m"; |
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| 397 | $this->scrPrintAt($lc,0, "\033[0". $color . $this->getLine($l) ."\033[0m"); |
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| 398 | $lc++; |
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| 399 | $linesprinted++; |
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| 400 | } |
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| 401 | |
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| 402 | if ($toPrintTerm > 0) |
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| 403 | $toPrintTerm = $linesAvail - $lc +6; |
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| 404 | |
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| 405 | $linesprinted = 0; |
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| 406 | foreach ($this->linesTerm as $time=>$l){ |
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| 407 | if ($linesprinted >= $toPrintTerm) |
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| 408 | break; |
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| 409 | |
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| 410 | $this->scrPrintAt($lc,0, "\033[01;30m" . $this->getLine($l) ."\033[0m"); |
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| 411 | $lc++; |
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| 412 | $linesprinted++; |
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| 413 | } |
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| 414 | |
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| 415 | // add the lines used when displaying the help text |
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| 416 | $lc += $hl; |
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| 417 | $this->scrPrintAt($lc,0, "\033[K"); $lc++; |
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| 418 | $this->scrPrintAt($lc,0, "Colorscheme: \033[01mActive \033[0mOpen \033[01;31mUnknown \033[01;30mTerminated\033[0m"); |
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| 419 | |
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| 420 | // remove old status |
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| 421 | if ($this->statusexpire < $this->currenttime) |
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| 422 | $this->status = false; |
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| 423 | |
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| 424 | // show request information and help command |
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| 425 | if ($this->starttime + 6 > $this->currenttime) { |
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| 426 | $this->status = sprintf("Requesting information (takes up to %dsecs)", $this->pingInterval). str_repeat(".", ($this->currenttime-$this->starttime)) . " type \033[01;31mh\033[00;31m or \033[01;31mhelp\033[00;31m for usage instructions"; |
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| 427 | $this->statusexpire = $this->currenttime+1; |
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| 428 | } |
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| 429 | |
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| 430 | |
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| 431 | $str = ""; |
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| 432 | if (! $this->showPush) |
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| 433 | $str .= "\033[00;32mPush: \033[01;32mNo\033[0m "; |
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| 434 | |
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| 435 | if ($this->showOption == self::SHOW_ACTIVE_ONLY) |
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| 436 | $str .= "\033[01;32mActive only\033[0m "; |
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| 437 | |
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| 438 | if ($this->showOption == self::SHOW_UNKNOWN_ONLY) |
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| 439 | $str .= "\033[01;32mUnknown only\033[0m "; |
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| 440 | |
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| 441 | if ($this->showTermSec != self::SHOW_TERM_DEFAULT_TIME) |
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| 442 | $str .= "\033[01;32mTerminated: ". $this->showTermSec. "s\033[0m "; |
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| 443 | |
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| 444 | if ($this->filter !== false || ($this->status !== false && $this->statusexpire > $this->currenttime)) { |
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| 445 | // print filter in green |
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| 446 | if ($this->filter !== false) |
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| 447 | $str .= "\033[00;32mFilter: \033[01;32m$this->filter\033[0m "; |
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| 448 | // print status in red |
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| 449 | if ($this->status !== false) |
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| 450 | $str .= "\033[00;31m$this->status\033[0m"; |
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| 451 | } |
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| 452 | $this->scrPrintAt(5,0, $str); |
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| 453 | |
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| 454 | $this->scrPrintAt(4,0,"Action: \033[01m".$this->action . "\033[0m"); |
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| 455 | } |
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| 456 | |
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| 457 | /** |
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| 458 | * Waits for a keystroke and processes the requested command |
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| 459 | * |
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| 460 | * @access private |
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| 461 | * @return |
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| 462 | */ |
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| 463 | private function readLineProcess() { |
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| 464 | $ans = explode("^^", `bash -c "read -n 1 -t 1 ANS ; echo \\\$?^^\\\$ANS;"`); |
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| 465 | |
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| 466 | if ($ans[0] < 128) { |
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| 467 | if (isset($ans[1]) && bin2hex(trim($ans[1])) == "7f") { |
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| 468 | $this->action = substr($this->action,0,-1); |
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| 469 | } |
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| 470 | |
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| 471 | if (isset($ans[1]) && $ans[1] != "" ){ |
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| 472 | $this->action .= trim(preg_replace("/[^A-Za-z0-9:]/","",$ans[1])); |
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| 473 | } |
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| 474 | |
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| 475 | if (bin2hex($ans[0]) == "30" && bin2hex($ans[1]) == "0a") { |
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| 476 | $cmds = explode(':', $this->action); |
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| 477 | if ($cmds[0] == "quit" || $cmds[0] == "q" || (isset($cmds[1]) && $cmds[0] == "" && $cmds[1] == "q")) { |
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| 478 | $this->topCollector->CollectData(true); |
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| 479 | $this->topCollector->ClearLatest(true); |
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| 480 | |
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| 481 | $this->terminate = true; |
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| 482 | } |
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| 483 | else if ($cmds[0] == "clear" ) { |
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| 484 | $this->topCollector->ClearLatest(true); |
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| 485 | $this->topCollector->CollectData(true); |
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| 486 | $this->topCollector->ReInitSharedMem(); |
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| 487 | } |
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| 488 | else if ($cmds[0] == "filter" || $cmds[0] == "f") { |
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| 489 | if (!isset($cmds[1]) || $cmds[1] == "") { |
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| 490 | $this->filter = false; |
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| 491 | $this->status = "No filter"; |
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| 492 | $this->statusexpire = $this->currenttime+5; |
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| 493 | } |
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| 494 | else { |
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| 495 | $this->filter = $cmds[1]; |
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| 496 | $this->status = false; |
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| 497 | } |
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| 498 | } |
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| 499 | else if ($cmds[0] == "option" || $cmds[0] == "o") { |
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| 500 | if (!isset($cmds[1]) || $cmds[1] == "") { |
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| 501 | $this->status = sprintf("Option value needs to be specified. See 'help' or 'h' for instructions", $cmds[1]); |
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| 502 | $this->statusexpire = $this->currenttime+5; |
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| 503 | } |
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| 504 | else if ($cmds[1] == "p" || $cmds[1] == "push" || $cmds[1] == "ping") |
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| 505 | $this->showPush = !$this->showPush; |
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| 506 | else if ($cmds[1] == "a" || $cmds[1] == "active") |
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| 507 | $this->showOption = self::SHOW_ACTIVE_ONLY; |
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| 508 | else if ($cmds[1] == "u" || $cmds[1] == "unknown") |
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| 509 | $this->showOption = self::SHOW_UNKNOWN_ONLY; |
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| 510 | else if ($cmds[1] == "d" || $cmds[1] == "default") { |
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| 511 | $this->showOption = self::SHOW_DEFAULT; |
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| 512 | $this->showTermSec = self::SHOW_TERM_DEFAULT_TIME; |
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| 513 | $this->showPush = true; |
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| 514 | } |
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| 515 | else if (is_numeric($cmds[1])) |
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| 516 | $this->showTermSec = $cmds[1]; |
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| 517 | else { |
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| 518 | $this->status = sprintf("Option '%s' unknown", $cmds[1]); |
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| 519 | $this->statusexpire = $this->currenttime+5; |
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| 520 | } |
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| 521 | } |
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| 522 | else if ($cmds[0] == "reset" || $cmds[0] == "r") { |
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| 523 | $this->filter = false; |
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| 524 | $this->wide = false; |
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| 525 | $this->helpexpire = 0; |
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| 526 | $this->status = "resetted"; |
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| 527 | $this->statusexpire = $this->currenttime+2; |
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| 528 | } |
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| 529 | else if ($cmds[0] == "wide" || $cmds[0] == "w") { |
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| 530 | $this->wide = true; |
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| 531 | $this->status = "w i d e view"; |
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| 532 | $this->statusexpire = $this->currenttime+2; |
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| 533 | } |
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| 534 | else if ($cmds[0] == "help" || $cmds[0] == "h") { |
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| 535 | $this->helpexpire = $this->currenttime+20; |
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| 536 | } |
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| 537 | else if (($cmds[0] == "log" || $cmds[0] == "l") && isset($cmds[1]) ) { |
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| 538 | if (!file_exists(LOGFILE)) { |
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| 539 | $this->status = "Logfile can not be found: ". LOGFILE; |
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| 540 | } |
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| 541 | else { |
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| 542 | system('bash -c "fgrep -a '.escapeshellarg($cmds[1]).' '. LOGFILE .' | less +G" > `tty`'); |
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| 543 | $this->status = "Returning from log, updating data"; |
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| 544 | } |
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| 545 | $this->statusexpire = time()+5; // it might be much "later" now |
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| 546 | } |
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| 547 | else if (($cmds[0] == "tail" || $cmds[0] == "t")) { |
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| 548 | if (!file_exists(LOGFILE)) { |
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| 549 | $this->status = "Logfile can not be found: ". LOGFILE; |
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| 550 | } |
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| 551 | else { |
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| 552 | $this->doingTail = true; |
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| 553 | $this->scrClear(); |
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| 554 | $this->scrPrintAt(1,0,$this->scrAsBold("Press CTRL+C to return to Z-Push-Top\n\n")); |
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| 555 | $secondary = ""; |
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| 556 | if (isset($cmds[1])) $secondary = " -n 200 | grep ".escapeshellarg($cmds[1]); |
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| 557 | system('bash -c "tail -f '. LOGFILE . $secondary . '" > `tty`'); |
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| 558 | $this->doingTail = false; |
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| 559 | $this->status = "Returning from tail, updating data"; |
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| 560 | } |
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| 561 | $this->statusexpire = time()+5; // it might be much "later" now |
---|
| 562 | } |
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| 563 | |
---|
| 564 | else if ($cmds[0] != "") { |
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| 565 | $this->status = sprintf("Command '%s' unknown", $cmds[0]); |
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| 566 | $this->statusexpire = $this->currenttime+8; |
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| 567 | } |
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| 568 | $this->action = ""; |
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| 569 | } |
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| 570 | } |
---|
| 571 | } |
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| 572 | |
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| 573 | /** |
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| 574 | * Signal handler function |
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| 575 | * |
---|
| 576 | * @param int $signo signal number |
---|
| 577 | * |
---|
| 578 | * @access public |
---|
| 579 | * @return |
---|
| 580 | */ |
---|
| 581 | public function SignalHandler($signo) { |
---|
| 582 | // don't terminate if the signal was sent by terminating tail |
---|
| 583 | if (!$this->doingTail) { |
---|
| 584 | $this->topCollector->CollectData(true); |
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| 585 | $this->topCollector->ClearLatest(true); |
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| 586 | $this->terminate = true; |
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| 587 | } |
---|
| 588 | } |
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| 589 | |
---|
| 590 | /** |
---|
| 591 | * Returns usage instructions |
---|
| 592 | * |
---|
| 593 | * @return string |
---|
| 594 | * @access public |
---|
| 595 | */ |
---|
| 596 | public function UsageInstructions() { |
---|
| 597 | $help = "Usage:\n\tz-push-top.php\n\n" . |
---|
| 598 | " Z-Push-Top is a live top-like overview of what Z-Push is doing. It does not have specific command line options.\n\n". |
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| 599 | " When Z-Push-Top is running you can specify certain actions and options which can be executed (listed below).\n". |
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| 600 | " This help information can also be shown inside Z-Push-Top by hitting 'help' or 'h'.\n\n"; |
---|
| 601 | $scrhelp = $this->scrHelp(); |
---|
| 602 | unset($scrhelp[0]); |
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| 603 | |
---|
| 604 | $help .= implode("\n", $scrhelp); |
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| 605 | $help .= "\n\n"; |
---|
| 606 | return $help; |
---|
| 607 | } |
---|
| 608 | |
---|
| 609 | |
---|
| 610 | /** |
---|
| 611 | * Prints a 'help' text at the end of the page |
---|
| 612 | * |
---|
| 613 | * @access private |
---|
| 614 | * @return array with help lines |
---|
| 615 | */ |
---|
| 616 | private function scrHelp() { |
---|
| 617 | $h = array(); |
---|
| 618 | $secs = $this->helpexpire - $this->currenttime; |
---|
| 619 | $h[] = "Actions supported by Z-Push-Top (help page still displayed for ".$secs."secs)"; |
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| 620 | $h[] = " ".$this->scrAsBold("Action")."\t\t".$this->scrAsBold("Comment"); |
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| 621 | $h[] = " ".$this->scrAsBold("h")." or ".$this->scrAsBold("help")."\t\tDisplays this information."; |
---|
| 622 | $h[] = " ".$this->scrAsBold("q").", ".$this->scrAsBold("quit")." or ".$this->scrAsBold(":q")."\t\tExits Z-Push-Top."; |
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| 623 | $h[] = " ".$this->scrAsBold("w")." or ".$this->scrAsBold("wide")."\t\tTries not to truncate data. Automatically done if more than 180 columns available."; |
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| 624 | $h[] = " ".$this->scrAsBold("f:VAL")." or ".$this->scrAsBold("filter:VAL")."\tOnly display connections which contain VAL. This value is case-insensitive."; |
---|
| 625 | $h[] = " ".$this->scrAsBold("f:")." or ".$this->scrAsBold("filter:")."\t\tWithout a search word: resets the filter."; |
---|
| 626 | $h[] = " ".$this->scrAsBold("l:STR")." or ".$this->scrAsBold("log:STR")."\tIssues 'less +G' on the logfile, after grepping on the optional STR."; |
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| 627 | $h[] = " ".$this->scrAsBold("t:STR")." or ".$this->scrAsBold("tail:STR")."\tIssues 'tail -f' on the logfile, grepping for optional STR."; |
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| 628 | $h[] = " ".$this->scrAsBold("r")." or ".$this->scrAsBold("reset")."\t\tResets 'wide' or 'filter'."; |
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| 629 | $h[] = " ".$this->scrAsBold("o:")." or ".$this->scrAsBold("option:")."\t\tSets display options. Valid options specified below"; |
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| 630 | $h[] = " ".$this->scrAsBold(" p")." or ".$this->scrAsBold("push")."\t\tLists/not lists active and open push connections."; |
---|
| 631 | $h[] = " ".$this->scrAsBold(" a")." or ".$this->scrAsBold("action")."\t\tLists only active connections."; |
---|
| 632 | $h[] = " ".$this->scrAsBold(" u")." or ".$this->scrAsBold("unknown")."\tLists only unknown connections."; |
---|
| 633 | $h[] = " ".$this->scrAsBold(" 10")." or ".$this->scrAsBold("20")."\t\tLists terminated connections for 10 or 20 seconds. Any other number can be used."; |
---|
| 634 | $h[] = " ".$this->scrAsBold(" d")." or ".$this->scrAsBold("default")."\tUses default options"; |
---|
| 635 | |
---|
| 636 | return $h; |
---|
| 637 | } |
---|
| 638 | |
---|
| 639 | /** |
---|
| 640 | * Encapsulates string with different color escape characters |
---|
| 641 | * |
---|
| 642 | * @param string $text |
---|
| 643 | * |
---|
| 644 | * @access private |
---|
| 645 | * @return string same text as bold |
---|
| 646 | */ |
---|
| 647 | private function scrAsBold($text) { |
---|
| 648 | return "\033[01m" . $text ."\033[0m"; |
---|
| 649 | } |
---|
| 650 | |
---|
| 651 | /** |
---|
| 652 | * Prints one line of precessed data |
---|
| 653 | * |
---|
| 654 | * @param array $l line information |
---|
| 655 | * |
---|
| 656 | * @access private |
---|
| 657 | * @return string |
---|
| 658 | */ |
---|
| 659 | private function getLine($l) { |
---|
| 660 | if ($this->wide === true) |
---|
| 661 | return sprintf("%s%s%s%s%s%s%s%s", $this->ptStr($l['pid'],6), $this->ptStr($l['ip'],16), $this->ptStr($l['user'],24), $this->ptStr($l['command'],16), $this->ptStr($this->sec2min($l['time']),8), $this->ptStr($l['devagent'],28), $this->ptStr($l['devid'],30, true), $l['addinfo']); |
---|
| 662 | else |
---|
| 663 | return sprintf("%s%s%s%s%s%s%s%s", $this->ptStr($l['pid'],6), $this->ptStr($l['ip'],10), $this->ptStr($l['user'],8), $this->ptStr($l['command'],11), $this->ptStr($this->sec2min($l['time']),6), $this->ptStr($l['devagent'],20), $this->ptStr($l['devid'],12, true), $l['addinfo']); |
---|
| 664 | } |
---|
| 665 | |
---|
| 666 | /** |
---|
| 667 | * Pads and trims string |
---|
| 668 | * |
---|
| 669 | * @param string $string to be trimmed/padded |
---|
| 670 | * @param int $size characters to be considered |
---|
| 671 | * @param boolean $cutmiddle (optional) indicates where to long information should |
---|
| 672 | * be trimmed of, false means at the end |
---|
| 673 | * |
---|
| 674 | * @access private |
---|
| 675 | * @return string |
---|
| 676 | */ |
---|
| 677 | private function ptStr($str, $size, $cutmiddle = false) { |
---|
| 678 | if (strlen($str) < $size) |
---|
| 679 | return str_pad($str, $size); |
---|
| 680 | else if ($cutmiddle == true) { |
---|
| 681 | $cut = ($size-2)/2; |
---|
| 682 | return $this->ptStr(substr($str,0,$cut) ."..". substr($str,(-1)*($cut-1)), $size); |
---|
| 683 | } |
---|
| 684 | else { |
---|
| 685 | return substr($str,0,$size-3).".. "; |
---|
| 686 | } |
---|
| 687 | } |
---|
| 688 | |
---|
| 689 | /** |
---|
| 690 | * Tries to discover the size of the current terminal |
---|
| 691 | * |
---|
| 692 | * @access private |
---|
| 693 | * @return array 'width' and 'height' as keys |
---|
| 694 | */ |
---|
| 695 | private function scrGetSize() { |
---|
| 696 | preg_match_all("/rows.([0-9]+);.columns.([0-9]+);/", strtolower(exec('stty -a | fgrep columns')), $output); |
---|
| 697 | if(sizeof($output) == 3) |
---|
| 698 | return array('width' => $output[2][0], 'height' => $output[1][0]); |
---|
| 699 | |
---|
| 700 | return array('width' => 80, 'height' => 24); |
---|
| 701 | } |
---|
| 702 | |
---|
| 703 | /** |
---|
| 704 | * Returns the version of the current Z-Push installation |
---|
| 705 | * |
---|
| 706 | * @access private |
---|
| 707 | * @return string |
---|
| 708 | */ |
---|
| 709 | private function getVersion() { |
---|
| 710 | if (ZPUSH_VERSION == "SVN checkout" && file_exists(REAL_BASE_PATH.".svn/entries")) { |
---|
| 711 | $svn = file(REAL_BASE_PATH.".svn/entries"); |
---|
| 712 | return "SVN " . substr(trim($svn[4]),stripos($svn[4],"z-push")+7) ." r".trim($svn[3]); |
---|
| 713 | } |
---|
| 714 | return ZPUSH_VERSION; |
---|
| 715 | } |
---|
| 716 | |
---|
| 717 | /** |
---|
| 718 | * Converts seconds in MM:SS |
---|
| 719 | * |
---|
| 720 | * @param int $s seconds |
---|
| 721 | * |
---|
| 722 | * @access private |
---|
| 723 | * @return string |
---|
| 724 | */ |
---|
| 725 | private function sec2min($s) { |
---|
| 726 | if (!is_int($s)) |
---|
| 727 | return $s; |
---|
| 728 | return sprintf("%02.2d:%02.2d", floor($s/60), $s%60); |
---|
| 729 | } |
---|
| 730 | |
---|
| 731 | /** |
---|
| 732 | * Resets the default colors of the terminal |
---|
| 733 | * |
---|
| 734 | * @access private |
---|
| 735 | * @return |
---|
| 736 | */ |
---|
| 737 | private function scrDefaultColors() { |
---|
| 738 | echo "\033[0m"; |
---|
| 739 | } |
---|
| 740 | |
---|
| 741 | /** |
---|
| 742 | * Clears screen of the terminal |
---|
| 743 | * |
---|
| 744 | * @param array $data |
---|
| 745 | * |
---|
| 746 | * @access private |
---|
| 747 | * @return |
---|
| 748 | */ |
---|
| 749 | public function scrClear() { |
---|
| 750 | echo "\033[2J"; |
---|
| 751 | } |
---|
| 752 | |
---|
| 753 | /** |
---|
| 754 | * Prints a text at a specific screen/terminal coordinates |
---|
| 755 | * |
---|
| 756 | * @param int $row row number |
---|
| 757 | * @param int $col column number |
---|
| 758 | * @param string $text to be printed |
---|
| 759 | * |
---|
| 760 | * @access private |
---|
| 761 | * @return |
---|
| 762 | */ |
---|
| 763 | private function scrPrintAt($row, $col, $text="") { |
---|
| 764 | echo "\033[".$row.";".$col."H".$text; |
---|
| 765 | } |
---|
| 766 | |
---|
| 767 | } |
---|
| 768 | |
---|
| 769 | ?> |
---|