SctpMessage.java — netty Source File

Source Code

/*
 * Copyright 2011 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.
 */
package io.netty.channel.sctp;

import com.sun.nio.sctp.MessageInfo;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.DefaultByteBufHolder;
import io.netty.util.internal.ObjectUtil;

/**
 * Representation of SCTP Data Chunk
 */
public final class SctpMessage extends DefaultByteBufHolder {
    private final int streamIdentifier;
    private final int protocolIdentifier;
    private final boolean unordered;

    private final MessageInfo msgInfo;

    /**
     * Essential data that is being carried within SCTP Data Chunk
     * @param protocolIdentifier of payload
     * @param streamIdentifier that you want to send the payload
     * @param payloadBuffer channel buffer
     */
    public SctpMessage(int protocolIdentifier, int streamIdentifier, ByteBuf payloadBuffer) {
        this(protocolIdentifier, streamIdentifier, false, payloadBuffer);
    }

    /**
     * Essential data that is being carried within SCTP Data Chunk
     * @param protocolIdentifier of payload
     * @param streamIdentifier that you want to send the payload
     * @param unordered if {@literal true}, the SCTP Data Chunk will be sent with the U (unordered) flag set.
     * @param payloadBuffer channel buffer
     */
    public SctpMessage(int protocolIdentifier, int streamIdentifier, boolean unordered, ByteBuf payloadBuffer) {
        super(payloadBuffer);
        this.protocolIdentifier = protocolIdentifier;
        this.streamIdentifier = streamIdentifier;
        this.unordered = unordered;
        msgInfo = null;
    }

    /**
     * Essential data that is being carried within SCTP Data Chunk
     * @param msgInfo       the {@link MessageInfo}
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