io.netty.handler.codec.http.websocketx

Class WebSocketClientHandshaker13

java.lang.Object

io.netty.handler.codec.http.websocketx.WebSocketClientHandshaker

io.netty.handler.codec.http.websocketx.WebSocketClientHandshaker13

public class WebSocketClientHandshaker13
extends WebSocketClientHandshaker

Performs client side opening and closing handshakes for web socket specification version draft-ietf-hybi-thewebsocketprotocol- 17

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	MAGIC_GUID

Fields inherited from class io.netty.handler.codec.http.websocketx.WebSocketClientHandshaker

customHeaders

Constructor Summary

Constructors

Constructor and Description
WebSocketClientHandshaker13(java.net.URI webSocketURL, WebSocketVersion version, java.lang.String subprotocol, boolean allowExtensions, HttpHeaders customHeaders, int maxFramePayloadLength) Creates a new instance.

Method Summary

Modifier and Type	Method and Description
protected FullHttpRequest	newHandshakeRequest() /** Sends the opening request to the server: GET /chat HTTP/1.1 Host: server.example.com Upgrade: websocket Connection: Upgrade Sec-WebSocket-Key: dGhlIHNhbXBsZSBub25jZQ== Sec-WebSocket-Origin: http://example.com Sec-WebSocket-Protocol: chat, superchat Sec-WebSocket-Version: 13
protected WebSocketFrameDecoder	newWebsocketDecoder() Returns the decoder to use after handshake is complete.
protected WebSocketFrameEncoder	newWebSocketEncoder() Returns the encoder to use after the handshake is complete.
protected void	verify(FullHttpResponse response) Process server response: HTTP/1.1 101 Switching Protocols Upgrade: websocket Connection: Upgrade Sec-WebSocket-Accept: s3pPLMBiTxaQ9kYGzzhZRbK+xOo= Sec-WebSocket-Protocol: chat

Methods inherited from class io.netty.handler.codec.http.websocketx.WebSocketClientHandshaker

actualSubprotocol, close, close, expectedSubprotocol, finishHandshake, handshake, handshake, isHandshakeComplete, maxFramePayloadLength, processHandshake, processHandshake, uri, version

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

MAGIC_GUID

public static final java.lang.String MAGIC_GUID

See Also:

Constant Field Values

Constructor Detail

WebSocketClientHandshaker13

public WebSocketClientHandshaker13(java.net.URI webSocketURL,
                                   WebSocketVersion version,
                                   java.lang.String subprotocol,
                                   boolean allowExtensions,
                                   HttpHeaders customHeaders,
                                   int maxFramePayloadLength)

Creates a new instance.

Parameters:

webSocketURL - URL for web socket communications. e.g "ws://myhost.com/mypath". Subsequent web socket frames will be sent to this URL.

version - Version of web socket specification to use to connect to the server

subprotocol - Sub protocol request sent to the server.

allowExtensions - Allow extensions to be used in the reserved bits of the web socket frame

customHeaders - Map of custom headers to add to the client request

maxFramePayloadLength - Maximum length of a frame's payload

Method Detail

newHandshakeRequest

protected FullHttpRequest newHandshakeRequest()

/**

Sends the opening request to the server:

 GET /chat HTTP/1.1
 Host: server.example.com
 Upgrade: websocket
 Connection: Upgrade
 Sec-WebSocket-Key: dGhlIHNhbXBsZSBub25jZQ==
 Sec-WebSocket-Origin: http://example.com
 Sec-WebSocket-Protocol: chat, superchat
 Sec-WebSocket-Version: 13
 

Specified by:

newHandshakeRequest in class WebSocketClientHandshaker

verify

protected void verify(FullHttpResponse response)

Process server response:

 HTTP/1.1 101 Switching Protocols
 Upgrade: websocket
 Connection: Upgrade
 Sec-WebSocket-Accept: s3pPLMBiTxaQ9kYGzzhZRbK+xOo=
 Sec-WebSocket-Protocol: chat
 

Specified by:

verify in class WebSocketClientHandshaker

Parameters:

response - HTTP response returned from the server for the request sent by beginOpeningHandshake00().

Throws:

WebSocketHandshakeException

newWebsocketDecoder

protected WebSocketFrameDecoder newWebsocketDecoder()

Description copied from class: WebSocketClientHandshaker

Returns the decoder to use after handshake is complete.

Specified by:

newWebsocketDecoder in class WebSocketClientHandshaker

newWebSocketEncoder

protected WebSocketFrameEncoder newWebSocketEncoder()

Description copied from class: WebSocketClientHandshaker

Returns the encoder to use after the handshake is complete.

Specified by:

newWebSocketEncoder in class WebSocketClientHandshaker