AFSocketClientConnector.java

/*
 * junixsocket
 *
 * Copyright 2009-2026 Christian Kohlschütter
 *
 * 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.newsclub.net.unix.jetty;

import java.io.IOException;
import java.net.SocketAddress;
import java.nio.channels.Selector;
import java.nio.channels.spi.SelectorProvider;
import java.util.Map;

import org.eclipse.jetty.io.ClientConnector;
import org.eclipse.jetty.io.SelectorManager;
import org.eclipse.jetty.io.Transport;
import org.eclipse.jetty.server.Connector;
import org.newsclub.net.unix.AFAddressFamily;
import org.newsclub.net.unix.AFSocketAddress;

/**
 * A {@link Connector} implementation for junixsocket server socket channels (Unix domains etc.)
 *
 * Based upon jetty's ClientConnector.
 *
 * This implementation should work with jetty version 12.1.0 or newer.
 *
 * @author Christian Kohlschütter
 */
public final class AFSocketClientConnector extends ClientConnector {
  private final AFAddressFamily<?> addressFamily;
  private final AFSocketAddress addr;
  private final Transport transport;

  private AFSocketClientConnector(AFSocketAddress addr) {
    super();
    this.addr = addr;
    this.transport = AFSocketTransport.withSocketChannel(addr);
    this.addressFamily = addr.getAddressFamily();
  }

  /**
   * Returns a new {@link ClientConnector} configured to use given {@link AFSocketAddress} for
   * communication with junixsocket sockets.
   *
   * @param addr The socket address.
   * @return The client connector.
   */
  public static ClientConnector withSocketAddress(AFSocketAddress addr) {
    return new AFSocketClientConnector(addr);
  }

  @Override
  protected SelectorManager newSelectorManager() {
    return new ClientSelectorManager(getExecutor(), getScheduler(), getSelectors()) {
      @Override
      protected Selector newSelector() throws IOException {
        SelectorProvider provider = addressFamily.getSelectorProvider();
        return provider.openSelector();
      }
    };
  }

  @Override
  public void connect(SocketAddress address, Map<String, Object> context) {
    context.put(Transport.CONTEXT_KEY, transport);

    super.connect(addr, context);
  }
}