1 | <?php |
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2 | /***********************************************************************************\ |
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3 | * eGroupWare - Contacts Center * |
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4 | * http://www.egroupware.org * |
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5 | * Written by: * |
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6 | * - Brian W. Bosh from Multi-threading strategies in PHP at * |
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7 | * http://www.alternateinterior.com/2007/05/multi-threading-strategies-in-php.html * |
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8 | * Adapted by: * |
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9 | * - Mário César Kolling <mario.kolling@serpro.gov.br> * |
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10 | * ----------------------------------------------------------------------------------* |
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11 | * This program is free software; you can redistribute it and/or modify it * |
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12 | * under the terms of the GNU General Public License as published by the * |
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13 | * Free Software Foundation; either version 2 of the License, or (at your * |
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14 | * option) any later version. * |
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15 | \***********************************************************************************/ |
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16 | |
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17 | require 'ThreadUtility.inc.php'; |
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18 | |
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19 | /* |
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20 | * This is the class that abstracts the details of process management |
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21 | */ |
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22 | |
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23 | class Thread { |
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24 | var $pref ; |
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25 | var $pipes; |
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26 | var $pid; |
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27 | var $stdout; |
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28 | //var $timeout; |
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29 | |
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30 | function Thread() { |
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31 | $this->pref = 0; |
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32 | $this->stdout = ""; |
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33 | $this->pipes = (array)NULL; |
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34 | //$this->timeout = 30000; |
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35 | } |
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36 | |
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37 | function Create ($url, $env) { |
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38 | $t = new Thread; |
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39 | $descriptor = array (0 => array ("pipe", "r"), 1 => array ("pipe", "w"), 2 => array ("pipe", "w")); |
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40 | $t->pref = proc_open ("php -q ". PHPGW_SERVER_ROOT . "/contactcenter/inc/" . $url, $descriptor, $t->pipes, NULL, $env); |
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41 | stream_set_blocking ($t->pipes[1], 0); |
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42 | stream_set_blocking ($t->pipes[2], 0); |
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43 | //usleep ($this->timeout); |
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44 | return $t; |
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45 | } |
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46 | |
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47 | function isActive () { |
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48 | $status = proc_get_status($this->pref); |
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49 | return $status['running']; |
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50 | } |
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51 | |
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52 | function close () { |
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53 | $r = proc_terminate($this->pref); |
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54 | $this->pref = NULL; |
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55 | return $r; |
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56 | } |
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57 | |
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58 | function tell ($thought, $params = NULL) { |
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59 | fwrite ($this->pipes[0], $thought . "\n"); |
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60 | if (is_array ($params)) { |
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61 | foreach ($params as $param) { |
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62 | fwrite ($this->pipes[0], $param . "\n"); |
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63 | } |
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64 | } |
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65 | } |
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66 | |
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67 | function readResponse() |
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68 | { |
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69 | $response = NULL; |
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70 | $read = array($this->pipes[1]); |
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71 | $write = NULL; |
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72 | $exception = NULL; |
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73 | |
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74 | if (stream_select($read, $write, $exception, 0) > 0){ |
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75 | $response = $this->listen(); |
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76 | return processresponse($response); |
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77 | } |
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78 | else |
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79 | { |
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80 | return $response; |
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81 | } |
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82 | } |
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83 | |
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84 | function listen () { |
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85 | $buffer = $this->stdout; |
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86 | $this->stdout = ""; |
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87 | while ($r = fgets ($this->pipes[1], 1024)) { |
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88 | $buffer .= $r; |
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89 | } |
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90 | return $buffer; |
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91 | } |
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92 | |
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93 | function getError () { |
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94 | $buffer = ""; |
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95 | while ($r = fgets ($this->pipes[2], 1024)) { |
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96 | $buffer .= $r; |
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97 | } |
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98 | return $buffer; |
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99 | } |
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100 | } |
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101 | |
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102 | ?> |
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