Laravel使用swoole实现websocket主动消息推送的方法介绍

# 这里是一个laravel中Commands
# 运行php artisan swoole start 即可运行
<?php

namespace App\Console\Commands;

use Illuminate\Console\Command;
use swoole_websocket_server;

class Swoole extends Command
{
 public $ws;
 /**
  * The name and signature of the console command.
  *
  * @var string
  */
 protected $signature = 'swoole {action}';

 /**
  * The console command description.
  *
  * @var string
  */
 protected $description = 'Active Push Message';

 /**
  * Create a new command instance.
  *
  * @return void
  */
 public function __construct()
 {
  parent::__construct();
 }

 /**
  * Execute the console command.
  *
  * @return mixed
  */
 public function handle()
 {
  $arg = $this->argument('action');
  switch ($arg) {
   case 'start':
    $this->info('swoole server started');
    $this->start();
    break;
   case 'stop':
    $this->info('swoole server stoped');
    break;
   case 'restart':
    $this->info('swoole server restarted');
    break;
  }
 }

 /**
  * 启动Swoole
  */
 private function start()
 {
  $this->ws = new swoole_websocket_server("0.0.0.0", 9502);
  //监听WebSocket连接打开事件
  $this->ws->on('open', function ($ws, $request) {
  });
  //监听WebSocket消息事件
  $this->ws->on('message', function ($ws, $frame) {
   $this->info("client is SendMessage\n");
  });
  //监听WebSocket主动推送消息事件
  $this->ws->on('request', function ($request, $response) {
   $scene = $request->post['scene'];  // 获取值
   $this->info("client is PushMessage\n".$scene);
  });
  //监听WebSocket连接关闭事件
  $this->ws->on('close', function ($ws, $fd) {
   $this->info("client is close\n");
  });
  $this->ws->start();
 }
}

# 调用activepush方法以后，会在cmd中打印出 
# client is PushMessage 主动推送消息 字眼
 /**
  * CURL请求
  * @param $data
  */
 public function curl($data)
 {
  $curl = curl_init();
  curl_setopt($curl, CURLOPT_URL, "http://127.0.0.1:9502");
  curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
  curl_setopt($curl, CURLOPT_HEADER, 1);
  curl_setopt($curl, CURLOPT_POST, 1);
  curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
  curl_exec($curl);
  curl_close($curl);
 }
 
 /**
  * 主动触发
  */
 public function activepush()
 {
  $param['scene'] = '主动推送消息';
  $this->curl($param);   // 主动推送消息