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    GearmanWorker::wait

    (PECL gearman >= 0.6.0)

    GearmanWorker::wait — Wait for activity from one of the job servers

    설명

    public bool GearmanWorker::wait ( void )

    Causes the worker to wait for activity from one of the Gearman job servers when operating in non-blocking I/O mode. On failure, issues a E_WARNING with the last Gearman error encountered.

    인수

    이 함수는 인수가 없습니다.

    반환값

    성공 시 TRUE를, 실패 시 FALSE를 반환합니다.

    예제

    Example #1 Running worker in non-blocking mode

    <?php

    echo "Starting\n";

    # Create our worker object
    $worker= new GearmanWorker();

    # Make the worker non-blocking
    $worker->addOptions(GEARMAN_WORKER_NON_BLOCKING); 

    # Add the default server (localhost, port 4730)
    $worker->addServer(); 

    # Add our reverse function
    $worker->addFunction('reverse', 'reverse_fn');

    # Try to grab a job
    while (@$worker->work() ||
               $worker->returnCode() == GEARMAN_IO_WAIT ||
               $worker->returnCode() == GEARMAN_NO_JOBS)
    {
      if (    $worker->returnCode() == GEARMAN_SUCCESS)
        continue;

      echo     "Waiting for next job...\n";
      if (!@    $worker->wait()) 
      { 
        if (    $worker->returnCode() == GEARMAN_NO_ACTIVE_FDS) 
        { 
              # We are not connected to any servers, so wait a bit before 
          # trying to reconnect. 
              sleep(5); 
          continue; 
        } 
        break; 
      } 
    } 

    echo     "Worker Error: " . $worker->error() . "\n";

    function     reverse_fn($job)
    {
      return     strrev($job->workload());
    }


    ?>

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