我在后端运行一个Ratchet WebSocketServer,一切都正常工作。
<?php
require '../vendor/autoload.php';
use Ratchet\WebSocket\WsServer;
use Ratchet\Http\HttpServer;
$wsServer = new WsServer(new Chat());
$wsServer->disableVersion(0);
$server = \Ratchet\Server\IoServer::factory(
new HttpServer(
$wsServer
),
8080
);
$server->run();
但是我希望使用一个普通的php脚本连接到websocket,并向服务器发送消息。
$host = 'ws://localhost'; //where is the websocket server
$port = 8080;
$local = "http://example.com"; //url where this script run
$data = "first message"; //data to be send
$head = "GET / HTTP/1.1"."\r\n".
"Upgrade: WebSocket"."\r\n".
"Connection: Upgrade"."\r\n".
"Origin: $local"."\r\n".
"Host: $host:$port"."\r\n".
"Sec-WebSocket-Key: asdasdaas76da7sd6asd6as7d"."\r\n".
"Content-Length: ".strlen($data)."\r\n"."\r\n";
//WebSocket handshake
$sock = fsockopen($host, $port);
fwrite($sock, $head ) or die('error:'.$errno.':'.$errstr);
$headers = fread($sock, 2000);
echo $headers;
fwrite($sock, $data) or die('error:'.$errno.':'.$errstr);
$wsdata = fread($sock, 2000);
fclose($sock);
但是我收到的错误信息是什么。
error:32744:Unable to find the socket transport "ws" - did you forget to enable it when you configured PHP?
当我更改主机并且不使用ws://时,它会报错。
error:111:Connection refused
有人知道如何从普通php文件向运行中的Ratchet WebSocket服务器发送数据吗?
php composer require textalk/websocket
来安装库。此外,我删除了echo $client->receive()
并改用$client->close()
。 - s.abbaasi