Handshake

Description

Initial WebSocket connection handshake.

https://tools.ietf.org/html/rfc6455#section-1.3

Public Properties
const	RFC_GUID = '258EAFA5-E914-47DA-95CA-C5AB0DC85B11'

Protected Properties
string	$buffer = ''
WebSocketClient	$client
string[][]	$headers = []
	[ header name => lowercase value => actual value ] More...
int	$maxLength = 4096
	The connection is closed (HTTP 413) if the received headers exceed this many bytes. More...
string	$method

Public Methods
	__construct (WebSocketClient $client)
string[][]	getHeaders ()
string	getMethod ()
bool	onReadable ()
	Negotiates the initial connection. More...

Protected Methods
void	upgrade ()
	Sends the connection upgrade headers. More...
void	validate ()
	Validates the received HTTP handshake headers, or throws. More...

Properties

$headers

string [][] $headers = []

protected

[ header name => lowercase value => actual value ]

$maxLength

int $maxLength = 4096

protected

The connection is closed (HTTP 413) if the received headers exceed this many bytes.

Constructor

__construct()

__construct

(

WebSocketClient

$client

)

Parameters

WebSocketClient

$client

Methods

getHeaders()

string [][] getHeaders

(

)

Returns

string[][]

getMethod()

string getMethod

(

)

Returns

string

onReadable()

bool onReadable

(

)

Negotiates the initial connection.

Returns

bool

Exceptions

WebSocketError
Throwable

upgrade()

void upgrade ( )

protected

Sends the connection upgrade headers.

validate()

void validate ( )

protected

Validates the received HTTP handshake headers, or throws.

Exceptions

WebSocketError