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Jean Lucas mentioned that PEAR::Net_Socket was outdated 

Updated Net_Socket to 1.0.14 (stable) was released on 2013-05-24
https://pear.php.net/package/Net_Socket
This commit is contained in:
Mikael Nordfeldth 2016-02-26 13:35:53 +01:00
parent 1414abfe95
commit 826503766e
1 changed files with 199 additions and 105 deletions
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304
extlib/Net/Socket.php
View File

@ -1,39 +1,50 @@
<?php <?php
// /**
// +----------------------------------------------------------------------+ * Net_Socket
// | PHP Version 4 | *
// +----------------------------------------------------------------------+ * PHP Version 4
// | Copyright (c) 1997-2003 The PHP Group | *
// +----------------------------------------------------------------------+ * Copyright (c) 1997-2013 The PHP Group
// | This source file is subject to version 2.0 of the PHP license, | *
// | that is bundled with this package in the file LICENSE, and is | * This source file is subject to version 2.0 of the PHP license,
// | available at through the world-wide-web at | * that is bundled with this package in the file LICENSE, and is
// | http://www.php.net/license/2_02.txt. | * available at through the world-wide-web at
// | If you did not receive a copy of the PHP license and are unable to | * http://www.php.net/license/2_02.txt.
// | obtain it through the world-wide-web, please send a note to | * If you did not receive a copy of the PHP license and are unable to
// | license@php.net so we can mail you a copy immediately. | * obtain it through the world-wide-web, please send a note to
// +----------------------------------------------------------------------+ * license@php.net so we can mail you a copy immediately.
// | Authors: Stig Bakken <ssb@php.net> | *
// | Chuck Hagenbuch <chuck@horde.org> | * Authors: Stig Bakken <ssb@php.net>
// +----------------------------------------------------------------------+ * Chuck Hagenbuch <chuck@horde.org>
// *
// $Id: Socket.php,v 1.38 2008/02/15 18:24:17 chagenbu Exp $ * @category Net
* @package Net_Socket
* @author Stig Bakken <ssb@php.net>
* @author Chuck Hagenbuch <chuck@horde.org>
* @copyright 1997-2003 The PHP Group
* @license http://www.php.net/license/2_02.txt PHP 2.02
* @link http://pear.php.net/packages/Net_Socket
*/
require_once 'PEAR.php'; require_once 'PEAR.php';
define('NET_SOCKET_READ', 1); define('NET_SOCKET_READ', 1);
define('NET_SOCKET_WRITE', 2); define('NET_SOCKET_WRITE', 2);
define('NET_SOCKET_ERROR', 4); define('NET_SOCKET_ERROR', 4);
/** /**
* Generalized Socket class. * Generalized Socket class.
* *
* @version 1.1 * @category Net
* @author Stig Bakken <ssb@php.net> * @package Net_Socket
* @author Chuck Hagenbuch <chuck@horde.org> * @author Stig Bakken <ssb@php.net>
* @author Chuck Hagenbuch <chuck@horde.org>
* @copyright 1997-2003 The PHP Group
* @license http://www.php.net/license/2_02.txt PHP 2.02
* @link http://pear.php.net/packages/Net_Socket
*/ */
class Net_Socket extends PEAR { class Net_Socket extends PEAR
{
/** /**
* Socket file pointer. * Socket file pointer.
* @var resource $fp * @var resource $fp
@ -65,11 +76,11 @@ class Net_Socket extends PEAR {
var $port = 0; var $port = 0;
/** /**
* Number of seconds to wait on socket connections before assuming * Number of seconds to wait on socket operations before assuming
* there's no more data. Defaults to no timeout. * there's no more data. Defaults to no timeout.
* @var integer $timeout * @var integer|float $timeout
*/ */
var $timeout = false; var $timeout = null;
/** /**
* Number of bytes to read at a time in readLine() and * Number of bytes to read at a time in readLine() and
@ -78,23 +89,30 @@ class Net_Socket extends PEAR {
*/ */
var $lineLength = 2048; var $lineLength = 2048;
/**
* The string to use as a newline terminator. Usually "\r\n" or "\n".
* @var string $newline
*/
var $newline = "\r\n";
/** /**
* Connect to the specified port. If called when the socket is * Connect to the specified port. If called when the socket is
* already connected, it disconnects and connects again. * already connected, it disconnects and connects again.
* *
* @param string $addr IP address or host name. * @param string $addr IP address or host name (may be with protocol prefix).
* @param integer $port TCP port number. * @param integer $port TCP port number.
* @param boolean $persistent (optional) Whether the connection is * @param boolean $persistent (optional) Whether the connection is
* persistent (kept open between requests * persistent (kept open between requests
* by the web server). * by the web server).
* @param integer $timeout (optional) How long to wait for data. * @param integer $timeout (optional) Connection socket timeout.
* @param array $options See options for stream_context_create. * @param array $options See options for stream_context_create.
* *
* @access public * @access public
* *
* @return boolean | PEAR_Error True on success or a PEAR_Error on failure. * @return boolean|PEAR_Error True on success or a PEAR_Error on failure.
*/ */
function connect($addr, $port = 0, $persistent = null, $timeout = null, $options = null) function connect($addr, $port = 0, $persistent = null,
$timeout = null, $options = null)
{ {
if (is_resource($this->fp)) { if (is_resource($this->fp)) {
@fclose($this->fp); @fclose($this->fp);
@ -103,11 +121,10 @@ class Net_Socket extends PEAR {
if (!$addr) { if (!$addr) {
return $this->raiseError('$addr cannot be empty'); return $this->raiseError('$addr cannot be empty');
} elseif (strspn($addr, '.0123456789') == strlen($addr) || } else if (strspn($addr, ':.0123456789') == strlen($addr)) {
strstr($addr, '/') !== false) { $this->addr = strpos($addr, ':') !== false ? '['.$addr.']' : $addr;
$this->addr = $addr;
} else { } else {
$this->addr = @gethostbyname($addr); $this->addr = $addr;
} }
$this->port = $port % 65536; $this->port = $port % 65536;
@ -116,40 +133,40 @@ class Net_Socket extends PEAR {
$this->persistent = $persistent; $this->persistent = $persistent;
} }
if ($timeout !== null) { $openfunc = $this->persistent ? 'pfsockopen' : 'fsockopen';
$this->timeout = $timeout; $errno = 0;
$errstr = '';
$old_track_errors = @ini_set('track_errors', 1);
if ($timeout <= 0) {
$timeout = @ini_get('default_socket_timeout');
} }
$openfunc = $this->persistent ? 'pfsockopen' : 'fsockopen';
$errno = 0;
$errstr = '';
$old_track_errors = @ini_set('track_errors', 1);
if ($options && function_exists('stream_context_create')) { if ($options && function_exists('stream_context_create')) {
if ($this->timeout) {
$timeout = $this->timeout;
} else {
$timeout = 0;
}
$context = stream_context_create($options); $context = stream_context_create($options);
// Since PHP 5 fsockopen doesn't allow context specification // Since PHP 5 fsockopen doesn't allow context specification
if (function_exists('stream_socket_client')) { if (function_exists('stream_socket_client')) {
$flags = $this->persistent ? STREAM_CLIENT_PERSISTENT : STREAM_CLIENT_CONNECT; $flags = STREAM_CLIENT_CONNECT;
if ($this->persistent) {
$flags = STREAM_CLIENT_PERSISTENT;
}
$addr = $this->addr . ':' . $this->port; $addr = $this->addr . ':' . $this->port;
$fp = stream_socket_client($addr, $errno, $errstr, $timeout, $flags, $context); $fp = stream_socket_client($addr, $errno, $errstr,
$timeout, $flags, $context);
} else { } else {
$fp = @$openfunc($this->addr, $this->port, $errno, $errstr, $timeout, $context); $fp = @$openfunc($this->addr, $this->port, $errno,
$errstr, $timeout, $context);
} }
} else { } else {
if ($this->timeout) { $fp = @$openfunc($this->addr, $this->port, $errno, $errstr, $timeout);
$fp = @$openfunc($this->addr, $this->port, $errno, $errstr, $this->timeout);
} else {
$fp = @$openfunc($this->addr, $this->port, $errno, $errstr);
}
} }
if (!$fp) { if (!$fp) {
if ($errno == 0 && isset($php_errormsg)) { if ($errno == 0 && !strlen($errstr) && isset($php_errormsg)) {
$errstr = $php_errormsg; $errstr = $php_errormsg;
} }
@ini_set('track_errors', $old_track_errors); @ini_set('track_errors', $old_track_errors);
@ -158,7 +175,7 @@ class Net_Socket extends PEAR {
@ini_set('track_errors', $old_track_errors); @ini_set('track_errors', $old_track_errors);
$this->fp = $fp; $this->fp = $fp;
$this->setTimeout();
return $this->setBlocking($this->blocking); return $this->setBlocking($this->blocking);
} }
@ -179,6 +196,18 @@ class Net_Socket extends PEAR {
return true; return true;
} }
/**
* Set the newline character/sequence to use.
*
* @param string $newline Newline character(s)
* @return boolean True
*/
function setNewline($newline)
{
$this->newline = $newline;
return true;
}
/** /**
* Find out if the socket is in blocking mode. * Find out if the socket is in blocking mode.
* *
@ -196,7 +225,8 @@ class Net_Socket extends PEAR {
* if there is no data available, whereas it will block until there * if there is no data available, whereas it will block until there
* is data for blocking sockets. * is data for blocking sockets.
* *
* @param boolean $mode True for blocking sockets, false for nonblocking. * @param boolean $mode True for blocking sockets, false for nonblocking.
*
* @access public * @access public
* @return mixed true on success or a PEAR_Error instance otherwise * @return mixed true on success or a PEAR_Error instance otherwise
*/ */
@ -207,7 +237,7 @@ class Net_Socket extends PEAR {
} }
$this->blocking = $mode; $this->blocking = $mode;
socket_set_blocking($this->fp, $this->blocking); stream_set_blocking($this->fp, (int)$this->blocking);
return true; return true;
} }
@ -215,25 +245,40 @@ class Net_Socket extends PEAR {
* Sets the timeout value on socket descriptor, * Sets the timeout value on socket descriptor,
* expressed in the sum of seconds and microseconds * expressed in the sum of seconds and microseconds
* *
* @param integer $seconds Seconds. * @param integer $seconds Seconds.
* @param integer $microseconds Microseconds. * @param integer $microseconds Microseconds, optional.
*
* @access public * @access public
* @return mixed true on success or a PEAR_Error instance otherwise * @return mixed True on success or false on failure or
* a PEAR_Error instance when not connected
*/ */
function setTimeout($seconds, $microseconds) function setTimeout($seconds = null, $microseconds = null)
{ {
if (!is_resource($this->fp)) { if (!is_resource($this->fp)) {
return $this->raiseError('not connected'); return $this->raiseError('not connected');
} }
return socket_set_timeout($this->fp, $seconds, $microseconds); if ($seconds === null && $microseconds === null) {
$seconds = (int) $this->timeout;
$microseconds = (int) (($this->timeout - $seconds) * 1000000);
} else {
$this->timeout = $seconds + $microseconds/1000000;
}
if ($this->timeout > 0) {
return stream_set_timeout($this->fp, (int) $seconds, (int) $microseconds);
}
else {
return false;
}
} }
/** /**
* Sets the file buffering size on the stream. * Sets the file buffering size on the stream.
* See php's stream_set_write_buffer for more information. * See php's stream_set_write_buffer for more information.
* *
* @param integer $size Write buffer size. * @param integer $size Write buffer size.
*
* @access public * @access public
* @return mixed on success or an PEAR_Error object otherwise * @return mixed on success or an PEAR_Error object otherwise
*/ */
@ -262,7 +307,8 @@ class Net_Socket extends PEAR {
* </p> * </p>
* *
* @access public * @access public
* @return mixed Array containing information about existing socket resource or a PEAR_Error instance otherwise * @return mixed Array containing information about existing socket
* resource or a PEAR_Error instance otherwise
*/ */
function getStatus() function getStatus()
{ {
@ -270,23 +316,32 @@ class Net_Socket extends PEAR {
return $this->raiseError('not connected'); return $this->raiseError('not connected');
} }
return socket_get_status($this->fp); return stream_get_meta_data($this->fp);
} }
/** /**
* Get a specified line of data * Get a specified line of data
* *
* @param int $size Reading ends when size - 1 bytes have been read,
* or a newline or an EOF (whichever comes first).
* If no size is specified, it will keep reading from
* the stream until it reaches the end of the line.
*
* @access public * @access public
* @return $size bytes of data from the socket, or a PEAR_Error if * @return mixed $size bytes of data from the socket, or a PEAR_Error if
* not connected. * not connected. If an error occurs, FALSE is returned.
*/ */
function gets($size) function gets($size = null)
{ {
if (!is_resource($this->fp)) { if (!is_resource($this->fp)) {
return $this->raiseError('not connected'); return $this->raiseError('not connected');
} }
return @fgets($this->fp, $size); if (is_null($size)) {
return @fgets($this->fp);
} else {
return @fgets($this->fp, $size);
}
} }
/** /**
@ -295,7 +350,8 @@ class Net_Socket extends PEAR {
* chunk; if you know the size of the data you're getting * chunk; if you know the size of the data you're getting
* beforehand, this is definitely the way to go. * beforehand, this is definitely the way to go.
* *
* @param integer $size The number of bytes to read from the socket. * @param integer $size The number of bytes to read from the socket.
*
* @access public * @access public
* @return $size bytes of data from the socket, or a PEAR_Error if * @return $size bytes of data from the socket, or a PEAR_Error if
* not connected. * not connected.
@ -312,14 +368,16 @@ class Net_Socket extends PEAR {
/** /**
* Write a specified amount of data. * Write a specified amount of data.
* *
* @param string $data Data to write. * @param string $data Data to write.
* @param integer $blocksize Amount of data to write at once. * @param integer $blocksize Amount of data to write at once.
* NULL means all at once. * NULL means all at once.
* *
* @access public * @access public
* @return mixed If the socket is not connected, returns an instance of PEAR_Error * @return mixed If the socket is not connected, returns an instance of
* If the write succeeds, returns the number of bytes written * PEAR_Error.
* If the write succeeds, returns the number of bytes written.
* If the write fails, returns false. * If the write fails, returns false.
* If the socket times out, returns an instance of PEAR_Error.
*/ */
function write($data, $blocksize = null) function write($data, $blocksize = null)
{ {
@ -328,19 +386,47 @@ class Net_Socket extends PEAR {
} }
if (is_null($blocksize) && !OS_WINDOWS) { if (is_null($blocksize) && !OS_WINDOWS) {
return @fwrite($this->fp, $data); $written = @fwrite($this->fp, $data);
// Check for timeout or lost connection
if (!$written) {
$meta_data = $this->getStatus();
if (!is_array($meta_data)) {
return $meta_data; // PEAR_Error
}
if (!empty($meta_data['timed_out'])) {
return $this->raiseError('timed out');
}
}
return $written;
} else { } else {
if (is_null($blocksize)) { if (is_null($blocksize)) {
$blocksize = 1024; $blocksize = 1024;
} }
$pos = 0; $pos = 0;
$size = strlen($data); $size = strlen($data);
while ($pos < $size) { while ($pos < $size) {
$written = @fwrite($this->fp, substr($data, $pos, $blocksize)); $written = @fwrite($this->fp, substr($data, $pos, $blocksize));
if ($written === false) {
return false; // Check for timeout or lost connection
if (!$written) {
$meta_data = $this->getStatus();
if (!is_array($meta_data)) {
return $meta_data; // PEAR_Error
}
if (!empty($meta_data['timed_out'])) {
return $this->raiseError('timed out');
}
return $written;
} }
$pos += $written; $pos += $written;
} }
@ -349,10 +435,12 @@ class Net_Socket extends PEAR {
} }
/** /**
* Write a line of data to the socket, followed by a trailing "\r\n". * Write a line of data to the socket, followed by a trailing newline.
*
* @param string $data Data to write
* *
* @access public * @access public
* @return mixed fputs result, or an error * @return mixed fwrite() result, or PEAR_Error when not connected
*/ */
function writeLine($data) function writeLine($data)
{ {
@ -360,7 +448,7 @@ class Net_Socket extends PEAR {
return $this->raiseError('not connected'); return $this->raiseError('not connected');
} }
return fwrite($this->fp, $data . "\r\n"); return fwrite($this->fp, $data . $this->newline);
} }
/** /**
@ -441,7 +529,7 @@ class Net_Socket extends PEAR {
} }
$string = ''; $string = '';
while (($char = @fread($this->fp, 1)) != "\x00") { while (($char = @fread($this->fp, 1)) != "\x00") {
$string .= $char; $string .= $char;
} }
return $string; return $string;
@ -481,11 +569,13 @@ class Net_Socket extends PEAR {
} }
$line = ''; $line = '';
$timeout = time() + $this->timeout; $timeout = time() + $this->timeout;
while (!feof($this->fp) && (!$this->timeout || time() < $timeout)) { while (!feof($this->fp) && (!$this->timeout || time() < $timeout)) {
$line .= @fgets($this->fp, $this->lineLength); $line .= @fgets($this->fp, $this->lineLength);
if (substr($line, -1) == "\n") { if (substr($line, -1) == "\n") {
return rtrim($line, "\r\n"); return rtrim($line, $this->newline);
} }
} }
return $line; return $line;
@ -521,9 +611,9 @@ class Net_Socket extends PEAR {
* Runs the equivalent of the select() system call on the socket * Runs the equivalent of the select() system call on the socket
* with a timeout specified by tv_sec and tv_usec. * with a timeout specified by tv_sec and tv_usec.
* *
* @param integer $state Which of read/write/error to check for. * @param integer $state Which of read/write/error to check for.
* @param integer $tv_sec Number of seconds for timeout. * @param integer $tv_sec Number of seconds for timeout.
* @param integer $tv_usec Number of microseconds for timeout. * @param integer $tv_usec Number of microseconds for timeout.
* *
* @access public * @access public
* @return False if select fails, integer describing which of read/write/error * @return False if select fails, integer describing which of read/write/error
@ -535,8 +625,8 @@ class Net_Socket extends PEAR {
return $this->raiseError('not connected'); return $this->raiseError('not connected');
} }
$read = null; $read = null;
$write = null; $write = null;
$except = null; $except = null;
if ($state & NET_SOCKET_READ) { if ($state & NET_SOCKET_READ) {
$read[] = $this->fp; $read[] = $this->fp;
@ -547,7 +637,8 @@ class Net_Socket extends PEAR {
if ($state & NET_SOCKET_ERROR) { if ($state & NET_SOCKET_ERROR) {
$except[] = $this->fp; $except[] = $this->fp;
} }
if (false === ($sr = stream_select($read, $write, $except, $tv_sec, $tv_usec))) { if (false === ($sr = stream_select($read, $write, $except,
$tv_sec, $tv_usec))) {
return false; return false;
} }
@ -567,15 +658,17 @@ class Net_Socket extends PEAR {
/** /**
* Turns encryption on/off on a connected socket. * Turns encryption on/off on a connected socket.
* *
* @param bool $enabled Set this parameter to true to enable encryption * @param bool $enabled Set this parameter to true to enable encryption
* and false to disable encryption. * and false to disable encryption.
* @param integer $type Type of encryption. See * @param integer $type Type of encryption. See stream_socket_enable_crypto()
* http://se.php.net/manual/en/function.stream-socket-enable-crypto.php for values. * for values.
* *
* @see http://se.php.net/manual/en/function.stream-socket-enable-crypto.php
* @access public * @access public
* @return false on error, true on success and 0 if there isn't enough data and the * @return false on error, true on success and 0 if there isn't enough data
* user should try again (non-blocking sockets only). A PEAR_Error object * and the user should try again (non-blocking sockets only).
* is returned if the socket is not connected * A PEAR_Error object is returned if the socket is not
* connected
*/ */
function enableCrypto($enabled, $type) function enableCrypto($enabled, $type)
{ {
@ -585,7 +678,8 @@ class Net_Socket extends PEAR {
} }
return @stream_socket_enable_crypto($this->fp, $enabled, $type); return @stream_socket_enable_crypto($this->fp, $enabled, $type);
} else { } else {
return $this->raiseError('Net_Socket::enableCrypto() requires php version >= 5.1.0'); $msg = 'Net_Socket::enableCrypto() requires php version >= 5.1.0';
return $this->raiseError($msg);
} }
} }