TcpServer.java

/*
 * JBoss, Home of Professional Open Source
 *
 * Copyright 2012 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed 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 org.xnio.nativeimpl;

import static org.xnio.nativeimpl.Log.log;

import java.io.IOException;
import java.util.Set;

import org.xnio.Option;
import org.xnio.OptionMap;
import org.xnio.Options;
import org.xnio.StreamConnection;
import org.xnio.XnioExecutor;
import org.xnio.XnioIoThread;
import org.xnio.channels.AcceptingChannel;
import org.xnio.channels.UnsupportedOptionException;

final class TcpServer extends NativeAcceptChannel<TcpServer> implements AcceptingChannel<StreamConnection> {

    private static final Set<Option<?>> options = Option.setBuilder()
            .add(Options.REUSE_ADDRESSES)
            .add(Options.KEEP_ALIVE)
            .add(Options.TCP_OOB_INLINE)
            .add(Options.TCP_NODELAY) // ignored
            .create();

    TcpServer(final NativeXnioWorker worker, final int fd, final OptionMap optionMap) throws IOException {
        super(worker, fd, optionMap);
        final NativeWorkerThread[] threads = worker.getAll();
        final int threadCount = threads.length;
        if (threadCount == 0) {
            throw log.noThreads();
        }
        Native.testAndThrow(Native.setOptReuseAddr(fd, optionMap.get(Options.REUSE_ADDRESSES, true), this));
        if (optionMap.contains(Options.KEEP_ALIVE)) {
            Native.testAndThrow(Native.setOptKeepAlive(fd, optionMap.get(Options.KEEP_ALIVE, false), this));
        }
        if (optionMap.contains(Options.TCP_OOB_INLINE)) {
            Native.testAndThrow(Native.setOptOobInline(fd, optionMap.get(Options.TCP_OOB_INLINE, false), this));
        }
        if (optionMap.contains(Options.TCP_NODELAY)) {
            Native.testAndThrow(Native.setOptTcpNoDelay(fd, optionMap.get(Options.TCP_NODELAY, false), this));
        }
    }

    public XnioExecutor getAcceptThread() {
        return null;
    }

    public XnioIoThread getIoThread() {
        return null;
    }

    protected NativeStreamConnection constructConnection(int fd, NativeWorkerThread thread, final AcceptChannelHandle acceptChannelHandle) {
        return new TcpConnection(thread, fd, acceptChannelHandle);
    }

    public boolean supportsOption(final Option<?> option) {
        return options.contains(option) || super.supportsOption(option);
    }

    public <T> T getOption(final Option<T> option) throws UnsupportedOptionException, IOException {
        return super.getOption(option);
    }

    public <T> T setOption(final Option<T> option, final T value) throws IllegalArgumentException, IOException {
        return super.setOption(option, value);
    }
}