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This artifact provides a single jar that contains all classes required to use remote Jakarta Enterprise Beans and Jakarta Messaging, including all dependencies. It is intended for use by those not using maven, maven users should just import the Jakarta Enterprise Beans and Jakarta Messaging BOM's instead (shaded JAR's cause lots of problems with maven, as it is very easy to inadvertently end up with different versions on classes on the class path).

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/*
* 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:
*
* http://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.SctpServerChannel;
import io.netty.buffer.ByteBufAllocator;
import io.netty.channel.ChannelException;
import io.netty.channel.ChannelOption;
import io.netty.channel.DefaultChannelConfig;
import io.netty.channel.MessageSizeEstimator;
import io.netty.channel.RecvByteBufAllocator;
import io.netty.util.NetUtil;

import java.io.IOException;
import java.util.Map;

import static com.sun.nio.sctp.SctpStandardSocketOptions.*;

/**
 * The default {@link SctpServerChannelConfig} implementation for SCTP.
 */
public class DefaultSctpServerChannelConfig extends DefaultChannelConfig implements SctpServerChannelConfig {

    private final SctpServerChannel javaChannel;
    private volatile int backlog = NetUtil.SOMAXCONN;

    /**
     * Creates a new instance.
     */
    public DefaultSctpServerChannelConfig(
            io.netty.channel.sctp.SctpServerChannel channel, SctpServerChannel javaChannel) {
        super(channel);
        if (javaChannel == null) {
            throw new NullPointerException("javaChannel");
        }
        this.javaChannel = javaChannel;
    }

    @Override
    public Map, Object> getOptions() {
        return getOptions(
                super.getOptions(),
                ChannelOption.SO_RCVBUF, ChannelOption.SO_SNDBUF, SctpChannelOption.SCTP_INIT_MAXSTREAMS);
    }

    @SuppressWarnings("unchecked")
    @Override
    public  T getOption(ChannelOption option) {
        if (option == ChannelOption.SO_RCVBUF) {
            return (T) Integer.valueOf(getReceiveBufferSize());
        }
        if (option == ChannelOption.SO_SNDBUF) {
            return (T) Integer.valueOf(getSendBufferSize());
        }
        return super.getOption(option);
    }

    @Override
    public  boolean setOption(ChannelOption option, T value) {
        validate(option, value);

        if (option == ChannelOption.SO_RCVBUF) {
            setReceiveBufferSize((Integer) value);
        } else if (option == ChannelOption.SO_SNDBUF) {
            setSendBufferSize((Integer) value);
        } else if (option == SCTP_INIT_MAXSTREAMS) {
            setInitMaxStreams((InitMaxStreams) value);
        } else {
            return super.setOption(option, value);
        }

        return true;
    }

    @Override
    public int getSendBufferSize() {
        try {
            return javaChannel.getOption(SO_SNDBUF);
        } catch (IOException e) {
            throw new ChannelException(e);
        }
    }

    @Override
    public SctpServerChannelConfig setSendBufferSize(int sendBufferSize) {
        try {
            javaChannel.setOption(SO_SNDBUF, sendBufferSize);
        } catch (IOException e) {
            throw new ChannelException(e);
        }
        return this;
    }

    @Override
    public int getReceiveBufferSize() {
        try {
            return javaChannel.getOption(SO_RCVBUF);
        } catch (IOException e) {
            throw new ChannelException(e);
        }
    }

    @Override
    public SctpServerChannelConfig setReceiveBufferSize(int receiveBufferSize) {
        try {
            javaChannel.setOption(SO_RCVBUF, receiveBufferSize);
        } catch (IOException e) {
            throw new ChannelException(e);
        }
        return this;
    }

    @Override
    public InitMaxStreams getInitMaxStreams() {
        try {
            return javaChannel.getOption(SCTP_INIT_MAXSTREAMS);
        } catch (IOException e) {
            throw new ChannelException(e);
        }
    }

    @Override
    public SctpServerChannelConfig setInitMaxStreams(InitMaxStreams initMaxStreams) {
        try {
            javaChannel.setOption(SCTP_INIT_MAXSTREAMS, initMaxStreams);
        } catch (IOException e) {
            throw new ChannelException(e);
        }
        return this;
    }

    @Override
    public int getBacklog() {
        return backlog;
    }

    @Override
    public SctpServerChannelConfig setBacklog(int backlog) {
        if (backlog < 0) {
            throw new IllegalArgumentException("backlog: " + backlog);
        }
        this.backlog = backlog;
        return this;
    }

    @Override
    public SctpServerChannelConfig setMaxMessagesPerRead(int maxMessagesPerRead) {
        super.setMaxMessagesPerRead(maxMessagesPerRead);
        return this;
    }

    @Override
    public SctpServerChannelConfig setWriteSpinCount(int writeSpinCount) {
        super.setWriteSpinCount(writeSpinCount);
        return this;
    }

    @Override
    public SctpServerChannelConfig setConnectTimeoutMillis(int connectTimeoutMillis) {
        super.setConnectTimeoutMillis(connectTimeoutMillis);
        return this;
    }

    @Override
    public SctpServerChannelConfig setAllocator(ByteBufAllocator allocator) {
        super.setAllocator(allocator);
        return this;
    }

    @Override
    public SctpServerChannelConfig setRecvByteBufAllocator(RecvByteBufAllocator allocator) {
        super.setRecvByteBufAllocator(allocator);
        return this;
    }

    @Override
    public SctpServerChannelConfig setAutoRead(boolean autoRead) {
        super.setAutoRead(autoRead);
        return this;
    }

    @Override
    public SctpServerChannelConfig setAutoClose(boolean autoClose) {
        super.setAutoClose(autoClose);
        return this;
    }

    @Override
    public SctpServerChannelConfig setWriteBufferLowWaterMark(int writeBufferLowWaterMark) {
        super.setWriteBufferLowWaterMark(writeBufferLowWaterMark);
        return this;
    }

    @Override
    public SctpServerChannelConfig setWriteBufferHighWaterMark(int writeBufferHighWaterMark) {
        super.setWriteBufferHighWaterMark(writeBufferHighWaterMark);
        return this;
    }

    @Override
    public SctpServerChannelConfig setMessageSizeEstimator(MessageSizeEstimator estimator) {
        super.setMessageSizeEstimator(estimator);
        return this;
    }
}