swoole-http.php

<?php

// 0.0.0.0 表示監聽所有 IP 地址
$http = new Swoole\Http\Server('0.0.0.0', 9501);

$http->set([
  // 可以 host static files
  // 但不建議這樣做，靜態檔案還是讓 nginx 來
  'enable_static_handler' => true,
  // 'http_autoindex' => false,
  // 配置静态文件根目录，与 enable_static_handler 配合使用。
  // 就可以開啟 http://127.0.0.1:9501/test-ws.html
  'document_root' => realpath(__DIR__.'/'),
  // 設定 worker number 數量
  //'worker_num' => swoole_cpu_num() * 2,
  // 設為背景
  //'daemonize' => 1,
  // 設定 log file
  //'log_file' => '/home/ubuntu/swoole/app.log',
]);

$http->on("Start", function($server) {
  echo "Swoole https server is starte at http://127.0.0.1:9501\n";
  echo $server->master_pid . "\n";
});

$http->on("shutdown", function($server) {
  echo $server->master_pid . "\n";
  echo "Server is shutting down.\n";
});

$title = "";
// 可以用 htop -t 或 pstree -ap 來觀察 worker process 跟 task worker process
$http->on('workerStart', function($server, $worker_id) use(&$title) {

  // hot reload demo
  require_once "index.php";
  $title = $message;
  echo "Read from file {$title}.\n";
  // kill -USR1 pid
  // SIGTERM用于停止服务器
  // SIGUSR1用于重启全部的Worker进程
  // SIGUSR2用于重启全部的Task Worker进程

  global $argv;
  if($worker_id >= $server->setting['worker_num']) {
    swoole_set_process_name("php {$argv[0]} task worker");
  } else {
    swoole_set_process_name("php {$argv[0]} worker");
  }
});

// 當有新的 HTTP 請求進入時會觸發此事件
// 如果使用 chrome 會額外產生一次 favicon.ico 的 request
$http->on('Request', function(Swoole\Http\Request $req, Swoole\Http\Response $res) use(&$title) {
  // Swoole\Http\Request 會保留 client 相關資訊，GET, POST, COOKIE, Header 等
  var_dump($req->get, $req->post);
  var_dump($req->server['path_info']);
  if($req->server['path_info'] == '/favicon.ico' || $req->server['request_uri'] == '/favicon.ico') {
    $res->end();
    return;
  }
  $res->header('Content-Type', 'text/html;charset=utf-8');
  // hot reload demo
  echo "test echo {$title}\n";
  $res->end("<h1>{$title}</h1>");
});

$http->start();