WebSocketClientHandshaker13 Class — netty Architecture

Source Code

codec-http/src/main/java/io/netty/handler/codec/http/websocketx/WebSocketClientHandshaker13.java lines 41–360

public class WebSocketClientHandshaker13 extends WebSocketClientHandshaker {

    private static final InternalLogger logger = InternalLoggerFactory.getInstance(WebSocketClientHandshaker13.class);

    public static final String MAGIC_GUID = "258EAFA5-E914-47DA-95CA-C5AB0DC85B11";

    private String expectedChallengeResponseString;

    private final boolean allowExtensions;
    private final boolean performMasking;
    private final boolean allowMaskMismatch;

    /**
     * Creates a new instance.
     *
     * @param webSocketURL
     *            URL for web socket communications. e.g "ws://myhost.com/mypath". Subsequent web socket frames will be
     *            sent to this URL.
     * @param version
     *            Version of web socket specification to use to connect to the server
     * @param subprotocol
     *            Sub protocol request sent to the server.
     * @param allowExtensions
     *            Allow extensions to be used in the reserved bits of the web socket frame
     * @param customHeaders
     *            Map of custom headers to add to the client request
     * @param maxFramePayloadLength
     *            Maximum length of a frame's payload
     */
    public WebSocketClientHandshaker13(URI webSocketURL, WebSocketVersion version, String subprotocol,
                                       boolean allowExtensions, HttpHeaders customHeaders, int maxFramePayloadLength) {
        this(webSocketURL, version, subprotocol, allowExtensions, customHeaders, maxFramePayloadLength,
                true, false);
    }

    /**
     * Creates a new instance.
     *
     * @param webSocketURL
     *            URL for web socket communications. e.g "ws://myhost.com/mypath". Subsequent web socket frames will be
     *            sent to this URL.
     * @param version
     *            Version of web socket specification to use to connect to the server
     * @param subprotocol
     *            Sub protocol request sent to the server.
     * @param allowExtensions
     *            Allow extensions to be used in the reserved bits of the web socket frame
     * @param customHeaders
     *            Map of custom headers to add to the client request
     * @param maxFramePayloadLength
     *            Maximum length of a frame's payload
     * @param performMasking
     *            Whether to mask all written websocket frames. This must be set to true in order to be fully compatible
     *            with the websocket specifications. Client applications that communicate with a non-standard server
     *            which doesn't require masking might set this to false to achieve a higher performance.
     * @param allowMaskMismatch
     *            When set to true, frames which are not masked properly according to the standard will still be
     *            accepted.
     */
    public WebSocketClientHandshaker13(URI webSocketURL, WebSocketVersion version, String subprotocol,
            boolean allowExtensions, HttpHeaders customHeaders, int maxFramePayloadLength,
            boolean performMasking, boolean allowMaskMismatch) {
        this(webSocketURL, version, subprotocol, allowExtensions, customHeaders, maxFramePayloadLength,
                performMasking, allowMaskMismatch, DEFAULT_FORCE_CLOSE_TIMEOUT_MILLIS);
    }

    /**
     * Creates a new instance.
     *
     * @param webSocketURL
     *            URL for web socket communications. e.g "ws://myhost.com/mypath". Subsequent web socket frames will be
     *            sent to this URL.
     * @param version
     *            Version of web socket specification to use to connect to the server
     * @param subprotocol
     *            Sub protocol request sent to the server.
     * @param allowExtensions
     *            Allow extensions to be used in the reserved bits of the web socket frame
     * @param customHeaders
     *            Map of custom headers to add to the client request
     * @param maxFramePayloadLength