我有一个硬件跟踪设备,我正在使用PHP套接字听它 . 我将套接字文件作为守护程序文件运行,这意味着脚本永远在运行 . 但运行一段时间后,我收到此错误
通过对等方重置连接
我正在使用此套接字库https://github.com/navarr/Sockets并将该文件作为守护程序运行我正在使用forever
运行一段时间后,我收到此错误
<b>Fatal error</b>: Uncaught exception 'Navarr\Socket\Exception\SocketException' with message 'Connection reset by peer' in /var/www/html/tracker2/src/Socket.php:685
Stack trace:
#0 /var/www/html/tracker2/src/Socket.php(532): Navarr\Socket\Socket::exceptionOnFalse(Resource id #10117, Object(Closure))
#1 /var/www/html/tracker2/src/Server.php(236): Navarr\Socket\Socket->read(1024, 2)
#2 /var/www/html/tracker2/src/Server.php(202): Navarr\Socket\Server->read(Object(Navarr\Socket\Socket))
#3 /var/www/html/tracker2/src/Server.php(158): Navarr\Socket\Server->loopOnce()
#4 /var/www/html/tracker2/socket.php(33): Navarr\Socket\Server->run()
#5 /var/www/html/tracker2/socket.php(96): EchoServer->__construct('172.xx.xx.xxx')
#6 {main}
thrown in <b>/var/www/html/tracker2/src/Socket.php</b> on line <b>685</b>
error: Forever detected script exited with code: 255
error: Script restart attempt #1
<b>Fatal error</b>: Uncaught exception 'Navarr\Socket\Exception\SocketException' with message 'Address already in use' in /var/www/html/tracker2/src/Socket.php:685
Stack trace:
#0 /var/www/html/tracker2/src/Socket.php(138): Navarr\Socket\Socket::exceptionOnFalse(Resource id #28, Object(Closure))
#1 /var/www/html/tracker2/src/Server.php(136): Navarr\Socket\Socket->bind('172.xx.xx.xxx', 8153)
#2 /var/www/html/tracker2/socket.php(20): Navarr\Socket\Server->__construct('172.xx.xx.xxx', 8153)
#3 /var/www/html/tracker2/socket.php(96): EchoServer->__construct('172.xx.xx.xxx')
#4 {main}
thrown in <b>/var/www/html/tracker2/src/Socket.php</b> on line <b>685</b>
error: Forever detected script exited with code: 255
我想确切知道导致此错误的原因 . 我不希望我的脚本停止 . 为什么我正在通过对等方重置错误连接 . 我怎样才能解决这个问题
如果没有解决方法来修复 connection reset by peer ,那么在收到错误 Connection reset by peer 后5分钟后我是否有可能再次运行脚本 .
为什么5分钟是因为socket进入等待阶段并且当永远尝试再次运行脚本时它说已经在使用的地址
码:
<?php
use Navarr\Socket\Socket;
use Navarr\Socket\Server;
class EchoServer extends Server
{
const DEFAULT_PORT = 7;
public function __construct($ip = null, $port = self::DEFAULT_PORT)
{
parent::__construct($ip, $port);
$this->addHook(Server::HOOK_CONNECT, array($this, 'onConnect'));
$this->addHook(Server::HOOK_INPUT, array($this, 'onInput'));
$this->addHook(Server::HOOK_DISCONNECT, array($this, 'onDisconnect'));
$this->run();
}
public function onConnect(Server $server, Socket $client, $message)
{
echo 'Connection Established',"\n";
}
public function onInput(Server $server, Socket $client, $message)
{
echo 'Received "',$message,'"',"\n";
$client->write($message, strlen($message));
}
public function onDisconnect(Server $server, Socket $client, $message)
{
echo 'Disconnection',"\n";
}
}
由于错误排在行中, 685 下面是Socket.php文件中写入的函数
protected static function exceptionOnFalse($resource, callable $closure)
{
$result = $closure($resource);
if ($result === false) {
throw new SocketException($resource);
}
return $result;
}
1 回答
发生错误
connection reset by peer
是因为您的服务器可能尝试从已关闭的套接字写入或读取消息,实际上基于异常堆栈跟踪,服务器读取数据时发生错误 . 您需要确保您使用的套接字库实现ping和pong消息传递,如果客户端发送ping消息,它希望接收pong消息或关闭连接 .如果这不能解决您的问题,请尝试捕获异常,退出php脚本并再次启动它 . 有太多可能导致错误的可能性 .