opensearch-tutorial/php/OpenSearch/Thrift/Server/TServerSocket.php

<?php
/*
 * 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.
 *
 * @package thrift.transport
 */

namespace Thrift\Server;

use Thrift\Transport\TSocket;

/**
 * Socket implementation of a server agent.
 *
 * @package thrift.transport
 */
class TServerSocket extends TServerTransport
{
  /**
   * Handle for the listener socket
   *
   * @var resource
   */
  protected $listener_;

  /**
   * Port for the listener to listen on
   *
   * @var int
   */
  protected $port_;

  /**
   * Timeout when listening for a new client
   *
   * @var int
   */
  protected $acceptTimeout_ = 30000;

  /**
   * Host to listen on
   *
   * @var string
   */
  protected $host_;

  /**
   * ServerSocket constructor
   *
   * @param string $host        Host to listen on
   * @param int $port           Port to listen on
   * @return void
   */
  public function __construct($host = 'localhost', $port = 9090)
  {
    $this->host_ = $host;
    $this->port_ = $port;
  }

  /**
   * Sets the accept timeout
   *
   * @param int $acceptTimeout
   * @return void
   */
  public function setAcceptTimeout($acceptTimeout)
  {
    $this->acceptTimeout_ = $acceptTimeout;
  }

  /**
   * Opens a new socket server handle
   *
   * @return void
   */
  public function listen()
  {
    $this->listener_ = stream_socket_server('tcp://' . $this->host_ . ':' . $this->port_);
  }

  /**
   * Closes the socket server handle
   *
   * @return void
   */
  public function close()
  {
    @fclose($this->listener_);
    $this->listener_ = null;
  }

  /**
   * Implementation of accept. If not client is accepted in the given time
   *
   * @return TSocket
   */
  protected function acceptImpl()
  {
    $handle = @stream_socket_accept($this->listener_, $this->acceptTimeout_ / 1000.0);
    if(!$handle) return null;

    $socket = new TSocket();
    $socket->setHandle($handle);

    return $socket;
  }
}