Package io.netty.channel.sctp

Source Code of io.netty.channel.sctp.SctpClientChannel

/*
* 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 static io.netty.channel.Channels.*;

import java.io.IOException;

import com.sun.nio.sctp.SctpChannel;

import io.netty.channel.ChannelException;
import io.netty.channel.ChannelFactory;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.ChannelSink;
import io.netty.logging.InternalLogger;
import io.netty.logging.InternalLoggerFactory;

/**
*/
final class SctpClientChannel extends SctpChannelImpl {

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

    private static SctpChannel newChannael() {
        SctpChannel underlayingChannel;
        try {
            underlayingChannel = SctpChannel.open();
        } catch (IOException e) {
            throw new ChannelException("Failed to open a sctp channel.", e);
        }

        boolean success = false;
        try {
            underlayingChannel.configureBlocking(false);
            success = true;
        } catch (IOException e) {
            throw new ChannelException("Failed to enter non-blocking mode.", e);
        } finally {
            if (!success) {
                try {
                    underlayingChannel.close();
                } catch (IOException e) {
                    if (logger.isWarnEnabled()) {
                        logger.warn(
                                "Failed to close a partially initialized socket.",
                                e);
                    }
                }
            }
        }

        return underlayingChannel;
    }

    volatile ChannelFuture connectFuture;
    volatile boolean boundManually;

    // Does not need to be volatile as it's accessed by only one thread.
    long connectDeadlineNanos;

    SctpClientChannel(
            ChannelFactory factory, ChannelPipeline pipeline,
            ChannelSink sink, SctpWorker worker) {

        super(null, factory, pipeline, sink, newChannael(), worker);
        fireChannelOpen(this);
    }
}
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