package org.apache.lucene.server;

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF 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.
 */

import java.io.BufferedOutputStream;
import java.io.Closeable;
import java.io.IOException;
import java.io.InputStream;
import java.net.InetSocketAddress;
import java.net.Socket;

import org.apache.lucene.store.DataInput;
import org.apache.lucene.store.DataOutput;
import org.apache.lucene.store.InputStreamDataInput;
import org.apache.lucene.store.OutputStreamDataOutput;

/** Simple point-to-point TCP connection */
public class Connection implements Closeable {
  public final DataInput in;
  public final DataOutput out;
  public final InputStream sockIn;
  public final BufferedOutputStream bos;
  public final Socket s;
  public final InetSocketAddress destAddress;
  public long lastKeepAliveNS = System.nanoTime();

  public Connection(InetSocketAddress address) throws IOException {
    this.destAddress = address;
    System.out.println("CONNECT: " + address);
    this.s = new Socket(address.getAddress(), address.getPort());
    this.sockIn = s.getInputStream();
    this.in = new InputStreamDataInput(sockIn);
    // nocommit don't use BOS (it's trappy: you can forget to flush); do our own buffering above so the protocol is explicit:
    this.bos = new BufferedOutputStream(s.getOutputStream());
    this.out = new OutputStreamDataOutput(bos);
  }

  public void flush() throws IOException {
    bos.flush();
  }

  @Override
  public void close() throws IOException {
    s.close();
  }
}
