An HTTP 1.0 client built for the purposes of purging Squid and Varnish. More...

Public Member Functions
	__construct ($server, $options=array())
	close ()
	Close the socket but allow it to be reopened for future purge requests.
	doReads ()
	Read some data.
	doWrites ()
	Perform pending writes.
	getReadSocketsForSelect ()
	Get read socket array for select()
	getWriteSocketsForSelect ()
	Get write socket array for select()
	isIdle ()
	queuePurge ($url)
	Queue a purge operation.
Public Attributes
	$bodyRemaining
	$currentRequestIndex
	$host
	$ip
	$port
	$readBuffer
	$readState = 'idle'
	$requests = array()
	$socket
	The socket resource, or null for unconnected, or false for disabled due to error.
	$writeBuffer = ''
const	BUFFER_SIZE = 8192
const	EAGAIN = 11
const	EINPROGRESS = 115
const	EINTR = 4
Protected Member Functions
	getIP ()
	Get the host's IP address.
	getSocket ()
	Open a socket if there isn't one open already, return it.
	log ($msg)
	markDown ()
	Close the socket and ignore any future purge requests.
	nextRequest ()
	processHeaderLine ($line)
	processReadBuffer ()
	processStatusLine ($line)

Detailed Description

An HTTP 1.0 client built for the purposes of purging Squid and Varnish.

Uses asynchronous I/O, allowing purges to be done in a highly parallel manner.

Could be replaced by curl_multi_exec() or some such.

Definition at line 30 of file SquidPurgeClient.php.

Constructor & Destructor Documentation

SquidPurgeClient::__construct	(	$	server,
		$	options = `array()`
	)

Parameters:

$server	string
$options	array

Definition at line 56 of file SquidPurgeClient.php.

Member Function Documentation

SquidPurgeClient::close ( )

Close the socket but allow it to be reopened for future purge requests.

Definition at line 160 of file SquidPurgeClient.php.

References wfRestoreWarnings(), and wfSuppressWarnings().

Referenced by doReads(), and markDown().

SquidPurgeClient::doReads ( )

Read some data.

Call this when socket_select() indicates that the read buffer is non-empty.

Definition at line 234 of file SquidPurgeClient.php.

References $socket, close(), getSocket(), log(), markDown(), processReadBuffer(), wfRestoreWarnings(), and wfSuppressWarnings().

SquidPurgeClient::doWrites ( )

Perform pending writes.

Call this when socket_select() indicates that writing will not block.

Definition at line 199 of file SquidPurgeClient.php.

References $socket, getSocket(), log(), markDown(), wfRestoreWarnings(), and wfSuppressWarnings().

SquidPurgeClient::getIP ( ) [protected]

Get the host's IP address.

Does not support IPv6 at present due to the lack of a convenient interface in PHP.

Definition at line 130 of file SquidPurgeClient.php.

References IP\isIPv4(), IP\isIPv6(), wfRestoreWarnings(), and wfSuppressWarnings().

Referenced by getSocket().

SquidPurgeClient::getReadSocketsForSelect ( )

Get read socket array for select()

Returns:: array

Definition at line 100 of file SquidPurgeClient.php.

References $socket, and getSocket().

SquidPurgeClient::getSocket ( ) [protected]

Open a socket if there isn't one open already, return it.

Returns false on error.

Returns:: bool|resource

Definition at line 68 of file SquidPurgeClient.php.

References $ip, $ok, getIP(), log(), markDown(), wfRestoreWarnings(), and wfSuppressWarnings().

Referenced by doReads(), doWrites(), getReadSocketsForSelect(), and getWriteSocketsForSelect().

SquidPurgeClient::getWriteSocketsForSelect ( )

Get write socket array for select()

Returns:: array

Definition at line 115 of file SquidPurgeClient.php.

References $socket, and getSocket().

SquidPurgeClient::isIdle ( )

Returns:: bool

Definition at line 192 of file SquidPurgeClient.php.

SquidPurgeClient::log ( $ msg ) [protected]

Parameters:

$msg string

Definition at line 354 of file SquidPurgeClient.php.

References wfDebugLog().

Referenced by doReads(), doWrites(), getSocket(), and processStatusLine().

SquidPurgeClient::markDown ( ) [protected]

Close the socket and ignore any future purge requests.

This is called if there is a protocol error.

Definition at line 152 of file SquidPurgeClient.php.

References close().

Referenced by doReads(), doWrites(), getSocket(), and processStatusLine().

SquidPurgeClient::nextRequest ( ) [protected]

Definition at line 335 of file SquidPurgeClient.php.

Referenced by processReadBuffer(), and queuePurge().

SquidPurgeClient::processHeaderLine ( $ line ) [protected]

Parameters:

$line string

Definition at line 327 of file SquidPurgeClient.php.

Referenced by processReadBuffer().

SquidPurgeClient::processReadBuffer ( ) [protected]

Exceptions:

MWException

Returns:: string

Definition at line 265 of file SquidPurgeClient.php.

References $lines, nextRequest(), processHeaderLine(), and processStatusLine().

Referenced by doReads().

SquidPurgeClient::processStatusLine ( $ line ) [protected]

Parameters:

$line

Returns:

Definition at line 308 of file SquidPurgeClient.php.

References log(), and markDown().

Referenced by processReadBuffer().

SquidPurgeClient::queuePurge ( $ url )

Queue a purge operation.

Parameters:

$url string

Definition at line 178 of file SquidPurgeClient.php.

References $url, expand, nextRequest(), and Http\userAgent().

Member Data Documentation

SquidPurgeClient::$bodyRemaining

Definition at line 50 of file SquidPurgeClient.php.

SquidPurgeClient::$currentRequestIndex

Definition at line 36 of file SquidPurgeClient.php.

SquidPurgeClient::$host

Definition at line 31 of file SquidPurgeClient.php.

SquidPurgeClient::$ip

Definition at line 31 of file SquidPurgeClient.php.

Referenced by getSocket().

SquidPurgeClient::$port

Definition at line 31 of file SquidPurgeClient.php.

SquidPurgeClient::$readBuffer

Definition at line 48 of file SquidPurgeClient.php.

SquidPurgeClient::$readState = 'idle'

Definition at line 33 of file SquidPurgeClient.php.

SquidPurgeClient::$requests = array()

Definition at line 35 of file SquidPurgeClient.php.

SquidPurgeClient::$socket

The socket resource, or null for unconnected, or false for disabled due to error.

Definition at line 46 of file SquidPurgeClient.php.

Referenced by doReads(), doWrites(), getReadSocketsForSelect(), and getWriteSocketsForSelect().

SquidPurgeClient::$writeBuffer = ''

Definition at line 34 of file SquidPurgeClient.php.

const SquidPurgeClient::BUFFER_SIZE = 8192

Definition at line 41 of file SquidPurgeClient.php.

const SquidPurgeClient::EAGAIN = 11

Definition at line 39 of file SquidPurgeClient.php.

const SquidPurgeClient::EINPROGRESS = 115

Definition at line 40 of file SquidPurgeClient.php.

const SquidPurgeClient::EINTR = 4

Definition at line 38 of file SquidPurgeClient.php.

The documentation for this class was generated from the following file:

includes/SquidPurgeClient.php

Public Member Functions

Public Attributes

Protected Member Functions

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation