Added socket.php class to create socket connections. This might be a way to make async xCAT requests. Still testing to see if this is true.
git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@6987 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
This commit is contained in:
phamt
parent
3cb5d4e4aa
commit
ae9af2fb76
@ -27,14 +27,21 @@ function testCmdPhp() {
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foreach ($child->children() as $data) {
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if($data->name) {
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$node = $data->name;
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$cont = $data->data->contents;
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if($data->data->contents){
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$cont = $data->data->contents;
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}
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else{
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$cont = $data->data;
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}
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$cont = str_replace(":|:", "\n", $cont);
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array_push($rsp, "$node: $cont");
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array_push($rsp, "$node: $cont");
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} else if(strlen("$data") > 2) {
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$data = str_replace(":|:", "\n", $data);
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array_push($rsp, "$data");
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}
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}
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}
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}
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$rtn = array("rsp" => $rsp, "msg" => '');
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@ -2,6 +2,7 @@
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/**
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* Contains all common PHP functions needed by most pages
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*/
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require_once "socket.php";
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// Retain session variables across page requests
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session_start();
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@ -28,6 +29,8 @@ function docmd($cmd, $nr, $args){
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return simplexml_load_string('<xcat></xcat>', 'SimpleXMLElement', LIBXML_NOCDATA);
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}
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// Create xCAT request
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// Add command, node range, and arguments to request
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$request = simplexml_load_string('<xcatrequest></xcatrequest>');
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$request->addChild('command', $cmd);
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if(!empty($nr)) { $request->addChild('noderange', $nr); }
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@ -37,11 +40,26 @@ function docmd($cmd, $nr, $args){
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}
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}
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// Add user and password to request
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$usernode=$request->addChild('becomeuser');
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$usernode->addChild('username',$_SESSION["username"]);
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$usernode->addChild('password',getpassword());
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$xml = submit_request($request,0);
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// Open socket to submit request
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$socket = new Net_Socket();
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$socket->connect('ssl://localhost', 3001, true, 30);
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// Set socket as non-blocking stream
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$socket->setBlocking(false);
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// Send xCAT request
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$socket->write($request->asXML());
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// Get xCAT response
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$xml = $socket->readAll();
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// Close socker
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$socket->disconnect();
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// submit_request() was the old way of sending the xCAT request
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// It is no longer needed
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// $xml = submit_request($request,0);
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return $xml;
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}
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@ -60,15 +78,14 @@ function submit_request($req, $skipVerify){
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// Open a socket to xcatd
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if($fp = stream_socket_client('ssl://'.$xcathost.':'.$port, $errno, $errstr, 30, STREAM_CLIENT_CONNECT)){
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// The line below makes the call async
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// stream_set_blocking($fp, 0);
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fwrite($fp,$req->asXML()); // Send XML to xcatd
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while(!feof($fp)){ // Read until there is no more
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// Remove newlines and add it to the response
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$response .= fread($fp, 8192);
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$response = preg_replace('/>\n\s*</', '><', $response);
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// Look for serverdone response
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$fullpattern = '/<xcatresponse>\s*<serverdone>\s*<\/serverdone>\s*<\/xcatresponse>/';
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$mixedpattern = '/<serverdone>\s*<\/serverdone>.*<\/xcatresponse>/';
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615
xCAT-UI/lib/socket.php
Normal file
615
xCAT-UI/lib/socket.php
Normal file
@ -0,0 +1,615 @@
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<?php
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//
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// +----------------------------------------------------------------------+
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// | PHP Version 4 |
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// +----------------------------------------------------------------------+
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// | Copyright (c) 1997-2003 The PHP Group |
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// +----------------------------------------------------------------------+
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// | This source file is subject to version 2.0 of the PHP license, |
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// | that is bundled with this package in the file LICENSE, and is |
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// | available at through the world-wide-web at |
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// | http://www.php.net/license/2_02.txt. |
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// | If you did not receive a copy of the PHP license and are unable to |
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// | obtain it through the world-wide-web, please send a note to |
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// | license@php.net so we can mail you a copy immediately. |
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// +----------------------------------------------------------------------+
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// | Authors: Stig Bakken <ssb@php.net> |
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// | Chuck Hagenbuch <chuck@horde.org> |
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// +----------------------------------------------------------------------+
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//
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// $Id: Socket.php,v 1.38 2008/02/15 18:24:17 chagenbu Exp $
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require_once '/usr/share/pear/PEAR.php';
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define('NET_SOCKET_READ', 1);
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define('NET_SOCKET_WRITE', 2);
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define('NET_SOCKET_ERROR', 4);
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/**
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* Generalized Socket class.
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*
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* @version 1.1
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* @author Stig Bakken <ssb@php.net>
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* @author Chuck Hagenbuch <chuck@horde.org>
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*/
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class Net_Socket extends PEAR {
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/**
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* Socket file pointer.
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* @var resource $fp
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*/
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var $fp = null;
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/**
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* Whether the socket is blocking. Defaults to true.
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* @var boolean $blocking
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*/
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var $blocking = true;
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/**
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* Whether the socket is persistent. Defaults to false.
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* @var boolean $persistent
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*/
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var $persistent = false;
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/**
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* The IP address to connect to.
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* @var string $addr
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*/
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var $addr = '';
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/**
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* The port number to connect to.
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* @var integer $port
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*/
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var $port = 0;
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/**
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* Number of seconds to wait on socket connections before assuming
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* there's no more data. Defaults to no timeout.
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* @var integer $timeout
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*/
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var $timeout = false;
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/**
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* Number of bytes to read at a time in readLine() and
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* readAll(). Defaults to 2048.
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* @var integer $lineLength
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*/
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var $lineLength = 2048;
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/**
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* Connect to the specified port. If called when the socket is
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* already connected, it disconnects and connects again.
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*
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* @param string $addr IP address or host name.
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* @param integer $port TCP port number.
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* @param boolean $persistent (optional) Whether the connection is
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* persistent (kept open between requests
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* by the web server).
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* @param integer $timeout (optional) How long to wait for data.
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* @param array $options See options for stream_context_create.
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*
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* @access public
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*
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* @return boolean | PEAR_Error True on success or a PEAR_Error on failure.
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*/
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function connect($addr, $port = 0, $persistent = null, $timeout = null, $options = null)
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{
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if (is_resource($this->fp)) {
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@fclose($this->fp);
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$this->fp = null;
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}
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if (!$addr) {
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return $this->raiseError('$addr cannot be empty');
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} elseif (strspn($addr, '.0123456789') == strlen($addr) ||
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strstr($addr, '/') !== false) {
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$this->addr = $addr;
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} else {
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$this->addr = @gethostbyname($addr);
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}
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$this->port = $port % 65536;
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if ($persistent !== null) {
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$this->persistent = $persistent;
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}
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if ($timeout !== null) {
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$this->timeout = $timeout;
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}
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$openfunc = $this->persistent ? 'pfsockopen' : 'fsockopen';
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$errno = 0;
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$errstr = '';
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$old_track_errors = @ini_set('track_errors', 1);
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if ($options && function_exists('stream_context_create')) {
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if ($this->timeout) {
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$timeout = $this->timeout;
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} else {
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$timeout = 0;
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}
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$context = stream_context_create($options);
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// Since PHP 5 fsockopen doesn't allow context specification
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if (function_exists('stream_socket_client')) {
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$flags = $this->persistent ? STREAM_CLIENT_PERSISTENT : STREAM_CLIENT_CONNECT;
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$addr = $this->addr . ':' . $this->port;
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$fp = stream_socket_client($addr, $errno, $errstr, $timeout, $flags, $context);
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} else {
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$fp = @$openfunc($this->addr, $this->port, $errno, $errstr, $timeout, $context);
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}
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} else {
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if ($this->timeout) {
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$fp = @$openfunc($this->addr, $this->port, $errno, $errstr, $this->timeout);
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} else {
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$fp = @$openfunc($this->addr, $this->port, $errno, $errstr);
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}
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}
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if (!$fp) {
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if ($errno == 0 && isset($php_errormsg)) {
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$errstr = $php_errormsg;
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}
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@ini_set('track_errors', $old_track_errors);
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return $this->raiseError($errstr, $errno);
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}
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@ini_set('track_errors', $old_track_errors);
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$this->fp = $fp;
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return $this->setBlocking($this->blocking);
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}
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/**
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* Disconnects from the peer, closes the socket.
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*
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* @access public
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* @return mixed true on success or a PEAR_Error instance otherwise
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*/
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function disconnect()
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{
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if (!is_resource($this->fp)) {
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return $this->raiseError('not connected');
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}
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@fclose($this->fp);
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$this->fp = null;
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return true;
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}
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/**
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* Find out if the socket is in blocking mode.
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*
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* @access public
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* @return boolean The current blocking mode.
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*/
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function isBlocking()
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{
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return $this->blocking;
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}
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/**
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* Sets whether the socket connection should be blocking or
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* not. A read call to a non-blocking socket will return immediately
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* if there is no data available, whereas it will block until there
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* is data for blocking sockets.
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*
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* @param boolean $mode True for blocking sockets, false for nonblocking.
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* @access public
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* @return mixed true on success or a PEAR_Error instance otherwise
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*/
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function setBlocking($mode)
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{
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if (!is_resource($this->fp)) {
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return $this->raiseError('not connected');
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}
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$this->blocking = $mode;
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socket_set_blocking($this->fp, $this->blocking);
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return true;
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}
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/**
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* Sets the timeout value on socket descriptor,
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* expressed in the sum of seconds and microseconds
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*
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* @param integer $seconds Seconds.
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* @param integer $microseconds Microseconds.
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* @access public
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* @return mixed true on success or a PEAR_Error instance otherwise
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*/
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function setTimeout($seconds, $microseconds)
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{
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if (!is_resource($this->fp)) {
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return $this->raiseError('not connected');
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}
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return socket_set_timeout($this->fp, $seconds, $microseconds);
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}
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/**
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* Sets the file buffering size on the stream.
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* See php's stream_set_write_buffer for more information.
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*
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* @param integer $size Write buffer size.
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* @access public
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* @return mixed on success or an PEAR_Error object otherwise
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*/
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function setWriteBuffer($size)
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{
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if (!is_resource($this->fp)) {
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return $this->raiseError('not connected');
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}
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$returned = stream_set_write_buffer($this->fp, $size);
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if ($returned == 0) {
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return true;
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}
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return $this->raiseError('Cannot set write buffer.');
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}
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/**
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* Returns information about an existing socket resource.
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* Currently returns four entries in the result array:
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*
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* <p>
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* timed_out (bool) - The socket timed out waiting for data<br>
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* blocked (bool) - The socket was blocked<br>
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* eof (bool) - Indicates EOF event<br>
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* unread_bytes (int) - Number of bytes left in the socket buffer<br>
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* </p>
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*
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* @access public
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* @return mixed Array containing information about existing socket resource or a PEAR_Error instance otherwise
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*/
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function getStatus()
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{
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if (!is_resource($this->fp)) {
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return $this->raiseError('not connected');
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}
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return socket_get_status($this->fp);
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}
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/**
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* Get a specified line of data
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*
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* @access public
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* @return $size bytes of data from the socket, or a PEAR_Error if
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* not connected.
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*/
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function gets($size)
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{
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if (!is_resource($this->fp)) {
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return $this->raiseError('not connected');
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}
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return @fgets($this->fp, $size);
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}
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/**
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* Read a specified amount of data. This is guaranteed to return,
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* and has the added benefit of getting everything in one fread()
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* chunk; if you know the size of the data you're getting
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* beforehand, this is definitely the way to go.
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*
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* @param integer $size The number of bytes to read from the socket.
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* @access public
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* @return $size bytes of data from the socket, or a PEAR_Error if
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* not connected.
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*/
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function read($size)
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{
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if (!is_resource($this->fp)) {
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return $this->raiseError('not connected');
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}
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return @fread($this->fp, $size);
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}
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/**
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* Write a specified amount of data.
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*
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* @param string $data Data to write.
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* @param integer $blocksize Amount of data to write at once.
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* NULL means all at once.
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*
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* @access public
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* @return mixed If the socket is not connected, returns an instance of PEAR_Error
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* If the write succeeds, returns the number of bytes written
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* If the write fails, returns false.
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*/
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function write($data, $blocksize = null)
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{
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if (!is_resource($this->fp)) {
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return $this->raiseError('not connected');
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}
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if (is_null($blocksize) && !OS_WINDOWS) {
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return @fwrite($this->fp, $data);
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} else {
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if (is_null($blocksize)) {
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$blocksize = 1024;
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}
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$pos = 0;
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$size = strlen($data);
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while ($pos < $size) {
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$written = @fwrite($this->fp, substr($data, $pos, $blocksize));
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if ($written === false) {
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return false;
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}
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$pos += $written;
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}
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|
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return $pos;
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}
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}
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/**
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* Write a line of data to the socket, followed by a trailing "\r\n".
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*
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* @access public
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* @return mixed fputs result, or an error
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*/
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function writeLine($data)
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{
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if (!is_resource($this->fp)) {
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return $this->raiseError('not connected');
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}
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return fwrite($this->fp, $data . "\r\n");
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}
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|
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/**
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* Tests for end-of-file on a socket descriptor.
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*
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* Also returns true if the socket is disconnected.
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*
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* @access public
|
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* @return bool
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*/
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function eof()
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{
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return (!is_resource($this->fp) || feof($this->fp));
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}
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|
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/**
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* Reads a byte of data
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*
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* @access public
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* @return 1 byte of data from the socket, or a PEAR_Error if
|
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* not connected.
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*/
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function readByte()
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{
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if (!is_resource($this->fp)) {
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return $this->raiseError('not connected');
|
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}
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|
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return ord(@fread($this->fp, 1));
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}
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|
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/**
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* Reads a word of data
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*
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* @access public
|
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* @return 1 word of data from the socket, or a PEAR_Error if
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* not connected.
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*/
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function readWord()
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{
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if (!is_resource($this->fp)) {
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return $this->raiseError('not connected');
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}
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|
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$buf = @fread($this->fp, 2);
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return (ord($buf[0]) + (ord($buf[1]) << 8));
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}
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|
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/**
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* Reads an int of data
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*
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* @access public
|
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* @return integer 1 int of data from the socket, or a PEAR_Error if
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* not connected.
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*/
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function readInt()
|
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{
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if (!is_resource($this->fp)) {
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return $this->raiseError('not connected');
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}
|
||||
|
||||
$buf = @fread($this->fp, 4);
|
||||
return (ord($buf[0]) + (ord($buf[1]) << 8) +
|
||||
(ord($buf[2]) << 16) + (ord($buf[3]) << 24));
|
||||
}
|
||||
|
||||
/**
|
||||
* Reads a zero-terminated string of data
|
||||
*
|
||||
* @access public
|
||||
* @return string, or a PEAR_Error if
|
||||
* not connected.
|
||||
*/
|
||||
function readString()
|
||||
{
|
||||
if (!is_resource($this->fp)) {
|
||||
return $this->raiseError('not connected');
|
||||
}
|
||||
|
||||
$string = '';
|
||||
while (($char = @fread($this->fp, 1)) != "\x00") {
|
||||
$string .= $char;
|
||||
}
|
||||
return $string;
|
||||
}
|
||||
|
||||
/**
|
||||
* Reads an IP Address and returns it in a dot formatted string
|
||||
*
|
||||
* @access public
|
||||
* @return Dot formatted string, or a PEAR_Error if
|
||||
* not connected.
|
||||
*/
|
||||
function readIPAddress()
|
||||
{
|
||||
if (!is_resource($this->fp)) {
|
||||
return $this->raiseError('not connected');
|
||||
}
|
||||
|
||||
$buf = @fread($this->fp, 4);
|
||||
return sprintf('%d.%d.%d.%d', ord($buf[0]), ord($buf[1]),
|
||||
ord($buf[2]), ord($buf[3]));
|
||||
}
|
||||
|
||||
/**
|
||||
* Read until either the end of the socket or a newline, whichever
|
||||
* comes first. Strips the trailing newline from the returned data.
|
||||
*
|
||||
* @access public
|
||||
* @return All available data up to a newline, without that
|
||||
* newline, or until the end of the socket, or a PEAR_Error if
|
||||
* not connected.
|
||||
*/
|
||||
function readLine()
|
||||
{
|
||||
if (!is_resource($this->fp)) {
|
||||
return $this->raiseError('not connected');
|
||||
}
|
||||
|
||||
$line = '';
|
||||
$timeout = time() + $this->timeout;
|
||||
while (!feof($this->fp) && (!$this->timeout || time() < $timeout)) {
|
||||
$line .= @fgets($this->fp, $this->lineLength);
|
||||
if (substr($line, -1) == "\n") {
|
||||
return rtrim($line, "\r\n");
|
||||
}
|
||||
}
|
||||
return $line;
|
||||
}
|
||||
|
||||
/**
|
||||
* Read until the socket closes, or until there is no more data in
|
||||
* the inner PHP buffer. If the inner buffer is empty, in blocking
|
||||
* mode we wait for at least 1 byte of data. Therefore, in
|
||||
* blocking mode, if there is no data at all to be read, this
|
||||
* function will never exit (unless the socket is closed on the
|
||||
* remote end).
|
||||
*
|
||||
* @access public
|
||||
*
|
||||
* @return string All data until the socket closes, or a PEAR_Error if
|
||||
* not connected.
|
||||
*/
|
||||
function readAll()
|
||||
{
|
||||
if (!is_resource($this->fp)) {
|
||||
return $this->raiseError('not connected');
|
||||
}
|
||||
|
||||
$data = '';
|
||||
$rsp = '';
|
||||
while (!feof($this->fp)) {
|
||||
$data .= @fread($this->fp, $this->lineLength);
|
||||
$data = preg_replace('/>\n\s*</', '><', $data);
|
||||
|
||||
// Look for serverdone response
|
||||
$fullpattern = '/<xcatresponse>\s*<serverdone>\s*<\/serverdone>\s*<\/xcatresponse>/';
|
||||
$mixedpattern = '/<serverdone>\s*<\/serverdone>.*<\/xcatresponse>/';
|
||||
if(preg_match($mixedpattern,$data)) {
|
||||
// Transaction is done,
|
||||
// Package up XML and return it
|
||||
// Remove the serverdone response and put an xcat tag around the rest
|
||||
$count = 0;
|
||||
$data = preg_replace($fullpattern,'', $data, -1, $count); // 1st try to remove the long pattern
|
||||
if (!$count) { $data = preg_replace($mixedpattern,'', $data) . '</xcatresponse>/'; } // if its not there, then remove the short pattern
|
||||
$data = "<xcat>$data</xcat>";
|
||||
|
||||
// Delete the \n between '>' and '<'
|
||||
$data = preg_replace('/>\n\s*</', '><', $data);
|
||||
// Replace the '\n' by ':|:' in the data area
|
||||
$data = preg_replace('/\n/', ':|:', $data);
|
||||
$rsp = simplexml_load_string($data,'SimpleXMLElement', LIBXML_NOCDATA);
|
||||
$cleanexit = 1;
|
||||
break;
|
||||
}
|
||||
}
|
||||
return $rsp;
|
||||
}
|
||||
|
||||
/**
|
||||
* Runs the equivalent of the select() system call on the socket
|
||||
* with a timeout specified by tv_sec and tv_usec.
|
||||
*
|
||||
* @param integer $state Which of read/write/error to check for.
|
||||
* @param integer $tv_sec Number of seconds for timeout.
|
||||
* @param integer $tv_usec Number of microseconds for timeout.
|
||||
*
|
||||
* @access public
|
||||
* @return False if select fails, integer describing which of read/write/error
|
||||
* are ready, or PEAR_Error if not connected.
|
||||
*/
|
||||
function select($state, $tv_sec, $tv_usec = 0)
|
||||
{
|
||||
if (!is_resource($this->fp)) {
|
||||
return $this->raiseError('not connected');
|
||||
}
|
||||
|
||||
$read = null;
|
||||
$write = null;
|
||||
$except = null;
|
||||
if ($state & NET_SOCKET_READ) {
|
||||
$read[] = $this->fp;
|
||||
}
|
||||
if ($state & NET_SOCKET_WRITE) {
|
||||
$write[] = $this->fp;
|
||||
}
|
||||
if ($state & NET_SOCKET_ERROR) {
|
||||
$except[] = $this->fp;
|
||||
}
|
||||
if (false === ($sr = stream_select($read, $write, $except, $tv_sec, $tv_usec))) {
|
||||
return false;
|
||||
}
|
||||
|
||||
$result = 0;
|
||||
if (count($read)) {
|
||||
$result |= NET_SOCKET_READ;
|
||||
}
|
||||
if (count($write)) {
|
||||
$result |= NET_SOCKET_WRITE;
|
||||
}
|
||||
if (count($except)) {
|
||||
$result |= NET_SOCKET_ERROR;
|
||||
}
|
||||
return $result;
|
||||
}
|
||||
|
||||
/**
|
||||
* Turns encryption on/off on a connected socket.
|
||||
*
|
||||
* @param bool $enabled Set this parameter to true to enable encryption
|
||||
* and false to disable encryption.
|
||||
* @param integer $type Type of encryption. See
|
||||
* http://se.php.net/manual/en/function.stream-socket-enable-crypto.php for values.
|
||||
*
|
||||
* @access public
|
||||
* @return false on error, true on success and 0 if there isn't enough data and the
|
||||
* user should try again (non-blocking sockets only). A PEAR_Error object
|
||||
* is returned if the socket is not connected
|
||||
*/
|
||||
function enableCrypto($enabled, $type)
|
||||
{
|
||||
if (version_compare(phpversion(), "5.1.0", ">=")) {
|
||||
if (!is_resource($this->fp)) {
|
||||
return $this->raiseError('not connected');
|
||||
}
|
||||
return @stream_socket_enable_crypto($this->fp, $enabled, $type);
|
||||
} else {
|
||||
return $this->raiseError('Net_Socket::enableCrypto() requires php version >= 5.1.0');
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user