public class WebSocketServerHandshaker08 extends WebSocketServerHandshaker
Performs server side opening and closing handshakes for web socket specification version draft-ietf-hybi-thewebsocketprotocol- 10
Modifier and Type | Field and Description |
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static String |
WEBSOCKET_08_ACCEPT_GUID |
logger, SUB_PROTOCOL_WILDCARD
Constructor and Description |
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WebSocketServerHandshaker08(String webSocketURL,
String subprotocols,
boolean allowExtensions,
int maxFramePayloadLength)
Constructor specifying the destination web socket location
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Modifier and Type | Method and Description |
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protected FullHttpResponse |
newHandshakeResponse(FullHttpRequest req,
HttpHeaders headers)
Handle the web socket handshake for the web socket specification HyBi version 8 to 10.
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protected WebSocketFrameDecoder |
newWebsocketDecoder()
Returns the decoder to use after handshake is complete.
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protected WebSocketFrameEncoder |
newWebSocketEncoder()
Returns the encoder to use after the handshake is complete.
|
close, close, handshake, handshake, handshake, handshake, maxFramePayloadLength, selectedSubprotocol, selectSubprotocol, subprotocols, uri, version
public static final String WEBSOCKET_08_ACCEPT_GUID
public WebSocketServerHandshaker08(String webSocketURL, String subprotocols, boolean allowExtensions, int maxFramePayloadLength)
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 protocolsallowExtensions
- Allow extensions to be used in the reserved bits of the web socket framemaxFramePayloadLength
- Maximum allowable frame payload length. Setting this value to your application's
requirement may reduce denial of service attacks using long data frames.protected FullHttpResponse newHandshakeResponse(FullHttpRequest req, HttpHeaders headers)
Handle the web socket handshake for the web socket specification HyBi version 8 to 10. Version 8, 9 and 10 share the same wire protocol.
Browser 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: 8
Server response:
HTTP/1.1 101 Switching Protocols Upgrade: websocket Connection: Upgrade Sec-WebSocket-Accept: s3pPLMBiTxaQ9kYGzzhZRbK+xOo= Sec-WebSocket-Protocol: chat
newHandshakeResponse
in class WebSocketServerHandshaker
protected WebSocketFrameDecoder newWebsocketDecoder()
WebSocketServerHandshaker
newWebsocketDecoder
in class WebSocketServerHandshaker
protected WebSocketFrameEncoder newWebSocketEncoder()
WebSocketServerHandshaker
newWebSocketEncoder
in class WebSocketServerHandshaker
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