1 | <?php |
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2 | /** |
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3 | * This file contains the code for a TCP transport layer. |
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4 | * |
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5 | * PHP versions 4 and 5 |
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6 | * |
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7 | * LICENSE: This source file is subject to version 2.02 of the PHP license, |
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8 | * that is bundled with this package in the file LICENSE, and is available at |
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9 | * through the world-wide-web at http://www.php.net/license/2_02.txt. If you |
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10 | * did not receive a copy of the PHP license and are unable to obtain it |
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11 | * through the world-wide-web, please send a note to license@php.net so we can |
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12 | * mail you a copy immediately. |
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13 | * |
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14 | * @category Web Services |
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15 | * @package SOAP |
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16 | * @author Shane Hanna <iordy_at_iordy_dot_com> |
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17 | * @author Jan Schneider <jan@horde.org> |
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18 | * @copyright 2003-2006 The PHP Group |
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19 | * @license http://www.php.net/license/2_02.txt PHP License 2.02 |
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20 | * @link http://pear.php.net/package/SOAP |
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21 | */ |
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22 | |
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23 | require_once 'SOAP/Transport.php'; |
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24 | |
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25 | /** |
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26 | * TCP transport for SOAP. |
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27 | * |
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28 | * @todo use Net_Socket; implement some security scheme; implement support |
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29 | * for attachments |
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30 | * @access public |
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31 | * @package SOAP |
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32 | * @author Shane Hanna <iordy_at_iordy_dot_com> |
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33 | * @author Jan Schneider <jan@horde.org> |
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34 | */ |
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35 | class SOAP_Transport_TCP extends SOAP_Transport |
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36 | { |
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37 | /** |
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38 | * Socket. |
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39 | */ |
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40 | var $socket = null; |
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41 | |
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42 | /** |
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43 | * Constructor. |
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44 | * |
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45 | * @param string $url HTTP url to SOAP endpoint. |
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46 | * |
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47 | * @access public |
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48 | */ |
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49 | function SOAP_Transport_TCP($url, $encoding = SOAP_DEFAULT_ENCODING) |
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50 | { |
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51 | parent::SOAP_Base_Object('TCP'); |
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52 | $this->urlparts = @parse_url($url); |
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53 | $this->url = $url; |
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54 | $this->encoding = $encoding; |
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55 | } |
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56 | |
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57 | function _socket_ping() |
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58 | { |
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59 | // XXX how do we restart after socket_shutdown? |
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60 | //if (!$this->socket) { |
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61 | // Create socket resource. |
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62 | $this->socket = @socket_create(AF_INET, SOCK_STREAM, SOL_TCP); |
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63 | if ($this->socket < 0) { |
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64 | return 0; |
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65 | } |
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66 | |
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67 | // Connect. |
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68 | $result = socket_connect($this->socket, $this->urlparts['host'], |
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69 | $this->urlparts['port']); |
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70 | if ($result < 0) { |
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71 | return 0; |
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72 | } |
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73 | //} |
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74 | return 1; |
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75 | } |
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76 | |
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77 | /** |
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78 | * Sends and receives SOAP data. |
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79 | * |
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80 | * @access public |
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81 | * |
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82 | * @param string Outgoing SOAP data. |
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83 | * @param array Options. |
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84 | * |
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85 | * @return string|SOAP_Fault |
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86 | */ |
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87 | function send($msg, $options = array()) |
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88 | { |
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89 | $this->fault = null; |
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90 | $this->incoming_payload = ''; |
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91 | $this->outgoing_payload = $msg; |
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92 | if (!$this->_validateUrl()) { |
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93 | return $this->fault; |
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94 | } |
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95 | |
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96 | // Check for TCP scheme. |
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97 | if (strcasecmp($this->urlparts['scheme'], 'TCP') == 0) { |
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98 | // Check connection. |
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99 | if (!$this->_socket_ping()) { |
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100 | return $this->_raiseSoapFault('Error connecting to ' . $this->url . '; reason: ' . socket_strerror(socket_last_error($this->socket))); |
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101 | } |
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102 | |
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103 | // Write to the socket. |
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104 | if (!@socket_write($this->socket, $this->outgoing_payload, |
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105 | strlen($this->outgoing_payload))) { |
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106 | return $this->_raiseSoapFault('Error sending data to ' . $this->url . '; reason: ' . socket_strerror(socket_last_error($this->socket))); |
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107 | } |
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108 | |
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109 | // Shutdown writing. |
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110 | if(!socket_shutdown($this->socket, 1)) { |
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111 | return $this->_raiseSoapFault('Cannot change socket mode to read.'); |
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112 | } |
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113 | |
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114 | // Read everything we can. |
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115 | while ($buf = @socket_read($this->socket, 1024, PHP_BINARY_READ)) { |
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116 | $this->incoming_payload .= $buf; |
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117 | } |
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118 | |
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119 | // Return payload or die. |
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120 | if ($this->incoming_payload) { |
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121 | return $this->incoming_payload; |
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122 | } |
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123 | |
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124 | return $this->_raiseSoapFault('Error reveiving data from ' . $this->url); |
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125 | } |
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126 | |
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127 | return $this->_raiseSoapFault('Invalid url scheme ' . $this->url); |
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128 | } |
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129 | |
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130 | /** |
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131 | * Validates the url data passed to the constructor. |
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132 | * |
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133 | * @return boolean |
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134 | * @access private |
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135 | */ |
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136 | function _validateUrl() |
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137 | { |
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138 | if (!is_array($this->urlparts) ) { |
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139 | $this->_raiseSoapFault("Unable to parse URL $this->url"); |
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140 | return false; |
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141 | } |
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142 | if (!isset($this->urlparts['host'])) { |
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143 | $this->_raiseSoapFault("No host in URL $this->url"); |
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144 | return false; |
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145 | } |
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146 | if (!isset($this->urlparts['path']) || !$this->urlparts['path']) { |
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147 | $this->urlparts['path'] = '/'; |
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148 | } |
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149 | |
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150 | return true; |
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151 | } |
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152 | |
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153 | } |
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