LockServerDaemon Class Reference

Simple lock server daemon that accepts lock/unlock requests. More...

List of all members.

Public Member Functions
	main ()
	Entry-point function that listens to the server socket, accepts new clients, and recieves/responds to requests to lock resources.
Static Public Member Functions
static	init (array $config)
	$config Array
Protected Member Functions
	__construct (array $config)
	$config Array
	doCommand ($data, $sourceSock)
	getCommand ($data)
	purgeExpiredLocks ()
	Clear locks for sessions that have been dead for a while.
	recordDeadSocket ($socket)
	Remove a socket's corresponding session from tracking and store it in the dead session tracking if it still has locks.
	setupServerSocket ()
	stat ()
	Get the current timestamp and memory usage.
Protected Attributes
	$address
	$authKey
	$deadSessions = array()
	$lockHolder
	$lockTimeout
	$maxBacklog
	$maxClients
	$port
	$sessions = array()
	$sock
	$startTime
	$ticks = 0
Static Protected Attributes
static	$instance = null

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Detailed Description

Simple lock server daemon that accepts lock/unlock requests.

Definition at line 27 of file LockServerDaemon.php.

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Constructor & Destructor Documentation

LockServerDaemon::__construct

(

array $

config

)

[protected]

$config Array

Definition at line 75 of file LockServerDaemon.php.

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Member Function Documentation

LockServerDaemon::doCommand	(	$	data,
		$	sourceSock
	)		[protected]

Parameters:

$data	string
$sourceSock	resource

Returns:

string

Definition at line 193 of file LockServerDaemon.php.

References getCommand(), and stat().

Referenced by main().

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LockServerDaemon::getCommand

(

$

data

)

[protected]

Parameters:

$data

string

Returns:

Array

Definition at line 220 of file LockServerDaemon.php.

References $command.

Referenced by doCommand().

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static LockServerDaemon::init

(

array $

config

)

[static]

$config Array

Returns:

LockServerDaemon

Definition at line 55 of file LockServerDaemon.php.

References $instance.

LockServerDaemon::main

(

)

Entry-point function that listens to the server socket, accepts new clients, and recieves/responds to requests to lock resources.

Definition at line 125 of file LockServerDaemon.php.

References doCommand(), purgeExpiredLocks(), recordDeadSocket(), and setupServerSocket().

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LockServerDaemon::purgeExpiredLocks

(

)

[protected]

Clear locks for sessions that have been dead for a while.

Returns:

integer Number of sessions purged

Definition at line 281 of file LockServerDaemon.php.

References $count.

Referenced by main().

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LockServerDaemon::recordDeadSocket

(

$

socket

)

[protected]

Remove a socket's corresponding session from tracking and store it in the dead session tracking if it still has locks.

Parameters:

$socket

resource

Returns:

book

Definition at line 263 of file LockServerDaemon.php.

Referenced by main().

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LockServerDaemon::setupServerSocket

(

)

[protected]

Returns:

void

Definition at line 100 of file LockServerDaemon.php.

References $sock.

Referenced by main().

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LockServerDaemon::stat

(

)

[protected]

Get the current timestamp and memory usage.

Returns:

string

Definition at line 299 of file LockServerDaemon.php.

Referenced by doCommand().

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Member Data Documentation

LockServerDaemon::$address [protected]

Definition at line 38 of file LockServerDaemon.php.

LockServerDaemon::$authKey [protected]

Definition at line 40 of file LockServerDaemon.php.

LockServerDaemon::$deadSessions = array() [protected]

Definition at line 33 of file LockServerDaemon.php.

LockServerDaemon::$instance = null [static, protected]

Definition at line 49 of file LockServerDaemon.php.

Referenced by init().

LockServerDaemon::$lockHolder [protected]

Definition at line 36 of file LockServerDaemon.php.

LockServerDaemon::$lockTimeout [protected]

Definition at line 41 of file LockServerDaemon.php.

LockServerDaemon::$maxBacklog [protected]

Definition at line 42 of file LockServerDaemon.php.

LockServerDaemon::$maxClients [protected]

Definition at line 43 of file LockServerDaemon.php.

LockServerDaemon::$port [protected]

Definition at line 39 of file LockServerDaemon.php.

LockServerDaemon::$sessions = array() [protected]

Definition at line 31 of file LockServerDaemon.php.

LockServerDaemon::$sock [protected]

Definition at line 29 of file LockServerDaemon.php.

Referenced by setupServerSocket().

LockServerDaemon::$startTime [protected]

Definition at line 45 of file LockServerDaemon.php.

LockServerDaemon::$ticks = 0 [protected]

Definition at line 46 of file LockServerDaemon.php.

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

• maintenance/locking/LockServerDaemon.php