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Extensions on Apache Proton-J library

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/*
 * Copyright (c) Microsoft. All rights reserved.
 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
 */

package com.microsoft.azure.proton.transport.ws;

import java.nio.ByteBuffer;
import java.util.Map;

public interface WebSocketHandler {
    public enum WebSocketMessageType {
        WEB_SOCKET_MESSAGE_TYPE_UNKNOWN,
        WEB_SOCKET_MESSAGE_TYPE_CHUNK,
        WEB_SOCKET_MESSAGE_TYPE_HEADER_CHUNK,
        WEB_SOCKET_MESSAGE_TYPE_AMQP,
        WEB_SOCKET_MESSAGE_TYPE_PING,
        WEB_SOCKET_MESSAGE_TYPE_CLOSE,
    }

    String createUpgradeRequest(
            String hostName,
            String webSocketPath,
            String webSocketQuery,
            int webSocketPort,
            String webSocketProtocol,
            Map additionalHeaders);

    Boolean validateUpgradeReply(ByteBuffer buffer);

    void wrapBuffer(ByteBuffer srcBuffer, ByteBuffer dstBuffer);

    WebsocketTuple unwrapBuffer(ByteBuffer srcBuffer);

    void createPong(ByteBuffer srcBuffer, ByteBuffer dstBuffer);

    int calculateHeaderSize(int payloadSize);

    public class WebsocketTuple {

        private long length;
        private WebSocketMessageType type;

        public WebsocketTuple(long length, WebSocketMessageType type) {
            this.length = length;
            this.type = type;
        }

        public void setLength(long length) {
            this.length = length;
        }

        public void setType(WebSocketMessageType type) {
            this.type = type;
        }

        public long getLength() {
            return this.length;
        }

        public WebSocketMessageType getType() {
            return this.type;
        }
    }
}