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/*
 * Copyright 2019 The Netty Project
 *
 * The Netty Project licenses this file to you under the Apache License,
 * version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at:
 *
 *   https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */
// (BSD License: https://www.opensource.org/licenses/bsd-license)
//
// Copyright (c) 2011, Joe Walnes and contributors
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or
// without modification, are permitted provided that the
// following conditions are met:
//
// * Redistributions of source code must retain the above
// copyright notice, this list of conditions and the
// following disclaimer.
//
// * Redistributions in binary form must reproduce the above
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// following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// * Neither the name of the Webbit nor the names of
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//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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// POSSIBILITY OF SUCH DAMAGE.

package io.netty.handler.codec.http.websocketx;

/**
 * Decodes a web socket frame from wire protocol version 13 format. V13 is essentially the same as V8.
 */
public class WebSocket13FrameDecoder extends WebSocket08FrameDecoder {

    /**
     * Constructor
     *
     * @param expectMaskedFrames
     *            Web socket servers must set this to true processed incoming masked payload. Client implementations
     *            must set this to false.
     * @param allowExtensions
     *            Flag to allow reserved extension bits to be used or not
     * @param maxFramePayloadLength
     *            Maximum length of a frame's payload. Setting this to an appropriate value for you application
     *            helps check for denial of services attacks.
     */
    public WebSocket13FrameDecoder(boolean expectMaskedFrames, boolean allowExtensions, int maxFramePayloadLength) {
        this(expectMaskedFrames, allowExtensions, maxFramePayloadLength, false);
    }

    /**
     * Constructor
     *
     * @param expectMaskedFrames
     *            Web socket servers must set this to true processed incoming masked payload. Client implementations
     *            must set this to false.
     * @param allowExtensions
     *            Flag to allow reserved extension bits to be used or not
     * @param maxFramePayloadLength
     *            Maximum length of a frame's payload. Setting this to an appropriate value for you application
     *            helps check for denial of services attacks.
     * @param allowMaskMismatch
     *            When set to true, frames which are not masked properly according to the standard will still be
     *            accepted.
     */
    public WebSocket13FrameDecoder(boolean expectMaskedFrames, boolean allowExtensions, int maxFramePayloadLength,
                                   boolean allowMaskMismatch) {
        this(WebSocketDecoderConfig.newBuilder()
            .expectMaskedFrames(expectMaskedFrames)
            .allowExtensions(allowExtensions)
            .maxFramePayloadLength(maxFramePayloadLength)
            .allowMaskMismatch(allowMaskMismatch)
            .build());
    }

    /**
     * Constructor
     *
     * @param decoderConfig
     *            Frames decoder configuration.
     */
    public WebSocket13FrameDecoder(WebSocketDecoderConfig decoderConfig) {
        super(decoderConfig);
    }
}