org.jboss.netty.handler.codec.http.websocketx

类 WebSocketServerHandshaker00

java.lang.Object

org.jboss.netty.handler.codec.http.websocketx.WebSocketServerHandshaker

org.jboss.netty.handler.codec.http.websocketx.WebSocketServerHandshaker00

public class WebSocketServerHandshaker00
extends WebSocketServerHandshaker

Performs server side opening and closing handshakes for web socket specification version draft-ietf-hybi-thewebsocketprotocol- 00

A very large portion of this code was taken from the Netty 3.2 HTTP example.

字段概要

从类继承的字段 org.jboss.netty.handler.codec.http.websocketx.WebSocketServerHandshaker

HANDSHAKE_LISTENER, SUB_PROTOCOL_WILDCARD

构造器概要

构造器

构造器和说明
WebSocketServerHandshaker00(java.lang.String webSocketURL, java.lang.String subprotocols) Constructor with default values
WebSocketServerHandshaker00(java.lang.String webSocketURL, java.lang.String subprotocols, long maxFramePayloadLength) Constructor specifying the destination web socket location

方法概要

方法

限定符和类型	方法和说明
ChannelFuture	close(Channel channel, CloseWebSocketFrame frame) Echo back the closing frame
ChannelFuture	handshake(Channel channel, HttpRequest req) Handle the web socket handshake for the web socket specification HyBi version 0 and lower.

从类继承的方法 org.jboss.netty.handler.codec.http.websocketx.WebSocketServerHandshaker

getMaxFramePayloadLength, getSelectedSubprotocol, getSubprotocols, getVersion, getWebSocketUrl, selectSubprotocol, setSelectedSubprotocol, writeHandshakeResponse

从类继承的方法 java.lang.Object

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

构造器详细资料

WebSocketServerHandshaker00

public WebSocketServerHandshaker00(java.lang.String webSocketURL,
                           java.lang.String subprotocols)

Constructor with default values

参数:

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

subprotocols - CSV of supported protocols

WebSocketServerHandshaker00

public WebSocketServerHandshaker00(java.lang.String webSocketURL,
                           java.lang.String subprotocols,
                           long maxFramePayloadLength)

Constructor specifying the destination web socket location

参数:

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

subprotocols - CSV of supported protocols

maxFramePayloadLength - Maximum allowable frame payload length. Setting this value to your application's requirement may reduce denial of service attacks using long data frames.

方法详细资料

handshake

public ChannelFuture handshake(Channel channel,
                      HttpRequest req)

Handle the web socket handshake for the web socket specification HyBi version 0 and lower. This standard is really a rehash of hixie-76 and hixie-75.

Browser request to the server:

 GET /demo HTTP/1.1
 Upgrade: WebSocket
 Connection: Upgrade
 Host: example.com
 Origin: http://example.com
 Sec-WebSocket-Protocol: chat, sample
 Sec-WebSocket-Key1: 4 @1  46546xW%0l 1 5
 Sec-WebSocket-Key2: 12998 5 Y3 1  .P00

 ^n:ds[4U
 

Server response:

 HTTP/1.1 101 WebSocket Protocol Handshake
 Upgrade: WebSocket
 Connection: Upgrade
 Sec-WebSocket-Origin: http://example.com
 Sec-WebSocket-Location: ws://example.com/demo
 Sec-WebSocket-Protocol: sample

 8jKS'y:G*Co,Wxa-
 

指定者:

handshake 在类中 WebSocketServerHandshaker

参数:

channel - Channel

req - HTTP request

close

public ChannelFuture close(Channel channel,
                  CloseWebSocketFrame frame)

Echo back the closing frame

指定者:

close 在类中 WebSocketServerHandshaker

参数:

channel - Channel

frame - Web Socket frame that was received