114 lines
2.8 KiB
PHP
114 lines
2.8 KiB
PHP
<?php
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namespace App\Classes\Sock;
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use Illuminate\Support\Facades\Log;
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final class SocketServer {
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private $server; // Our server resource
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private string $bind; // The IP address to bind to
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private int $port; // The Port to bind to
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private int $backlog = 5; // Number of incoming connections queued
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private array $handler; // The class and method that will handle our connection
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public function __construct(int $port,string $bind='0.0.0.0')
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{
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$this->bind = $bind;
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$this->port = $port;
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$this->_init();
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}
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/**
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* Bind to our Socket
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*
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* @throws SocketException
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*/
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private function _bindSocket(): void
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{
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if (socket_bind($this->server,$this->bind,$this->port) === FALSE)
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throw new SocketException(SocketException::CANT_BIND_SOCKET,socket_strerror(socket_last_error($this->server)));
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}
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/**
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* Create our Socket
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*
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* @throws SocketException
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*/
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private function _createSocket(): void
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{
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/**
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* Check dependencies
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*/
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if (! extension_loaded('sockets'))
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throw new SocketException(SocketException::CANT_ACCEPT,'Missing sockets extension');
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if (! extension_loaded('pcntl'))
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throw new SocketException(SocketException::CANT_ACCEPT,'Missing pcntl extension');
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$this->server = socket_create(AF_INET,SOCK_STREAM,SOL_TCP);
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if ($this->server === FALSE)
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throw new SocketException(SocketException::CANT_CREATE_SOCKET,socket_strerror(socket_last_error()));
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socket_set_option($this->server,SOL_SOCKET,SO_REUSEADDR,1);
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}
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/**
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* Setup Socket and Bind
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*
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* @throws SocketException
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*/
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private function _init(): void
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{
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$this->_createSocket();
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$this->_bindSocket();
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}
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/**
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* Our main loop where we listen for connections
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*
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* @throws SocketException
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*/
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public function listen()
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{
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if (! $this->handler)
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throw new SocketException(SocketException::CANT_LISTEN,'Handler not set.');
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if (socket_listen($this->server,$this->backlog) === FALSE)
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throw new SocketException(SocketException::CANT_LISTEN,socket_strerror(socket_last_error($this->server)));
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Log::info(sprintf('Listening on [%s:%d]',$this->bind,$this->port),['m'=>__METHOD__]);
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$this->loop();
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socket_close($this->server);
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Log::info(sprintf('CLosed [%s:%d]',$this->bind,$this->port),['m'=>__METHOD__]);
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}
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/**
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* Manage and execute incoming connecitons
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*
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* @throws SocketException
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*/
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private function loop()
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{
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while (TRUE) {
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if (($accept = socket_accept($this->server)) === FALSE)
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throw new SocketException(SocketException::CANT_ACCEPT,socket_strerror(socket_last_error($this->server)));
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$this->handler[0]->{$this->handler[1]}(new SocketClient($accept));
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}
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}
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/**
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* Set our connection handler Class and Method
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*
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* @param array $handler
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*/
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public function setConnectionHandler(array $handler): void
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{
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$this->handler = $handler;
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}
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} |