PHP扩展Swoole实现实时异步任务队列示例(2)

<?php
class Client
{
  private $client;
  public function __construct()
  {
    $this->client = new swoole_client(SWOOLE_SOCK_TCP);
  }
  public function connect()
  {
    if (!$this->client->connect("127.0.0.1", 9501, 1)) {
      throw new Exception(sprintf('Swoole Error: %s', $this->client->errCode));
    }
  }
  public function send($data)
  {
    if ($this->client->isConnected()) {
      if (!is_string($data)) {
        $data = json_encode($data);
      }
      return $this->client->send($data);
    } else {
      throw new Exception('Swoole Server does not connected.');
    }
  }
  public function close()
  {
    $this->client->close();
  }
}
$data = array(
  "url" => "http://192.168.10.19/send_mail",
  "param" => array(
    "username" => 'test',
    "password" => 'test'
  )
);
$client = new Client();
$client->connect();
if ($client->send($data)) {
  echo 'success';
} else {
  echo 'fail';
}
$client->close();