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<?php |
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// run composer install in top directory |
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require_once __DIR__.'/../vendor/autoload.php'; |
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use Navarr\Socket\Server; |
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use Navarr\Socket\Socket; |
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class WebServer extends Server |
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{ |
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const DEFAULT_PORT = 80; |
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/** @var WebClient[] */ |
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protected $clientMap; |
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protected $readType = PHP_BINARY_READ; |
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public function __construct($address = null, $port = self::DEFAULT_PORT) |
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{ |
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parent::__construct($address, $port); |
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$this->addHook(Server::HOOK_CONNECT, [$this, 'onConnect']); |
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$this->addHook(Server::HOOK_INPUT, [$this, 'onInput']); |
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$this->addHook(Server::HOOK_DISCONNECT, [$this, 'onDisconnect']); |
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$this->run(); |
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} |
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public function onConnect(Server $server, Socket $client, $message) |
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{ |
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echo "Connection\n"; |
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$this->clientMap[(string) $client] = new WebClient($server, $client); |
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} |
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public function onInput(Server $server, Socket $client, $message) |
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{ |
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$messages = explode("\n", $message); |
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foreach ($messages as $message) { |
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$message .= "\n"; |
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$this->clientMap[(string) $client]->dispatch($message); |
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} |
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} |
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public function onDisconnect(Server $server, Socket $client, $message) |
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{ |
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echo "Disconnect\n"; |
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unset($this->clientMap[(string) $client]); |
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} |
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} |
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class WebClient |
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{ |
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protected $server = null; |
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protected $socket = null; |
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protected $firstLine = null; |
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protected $verb = null; |
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protected $resource = null; |
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protected $lastLine = null; |
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protected $protocol = null; |
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protected $headers = []; |
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public function __construct(Server $server, Socket $client) |
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{ |
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$this->server = $server; |
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$this->socket = $client; |
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} |
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/** |
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* @param string $message |
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*/ |
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public function dispatch($message) |
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{ |
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echo trim($message), "\n"; |
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$message = trim($message); |
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if ($this->firstLine === null) { |
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$tokens = explode(' ', $message, 3); |
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$this->verb = $tokens[0]; |
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$this->resource = $tokens[1]; |
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$this->protocol = $tokens[2]; |
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$this->firstLine = $message; |
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$this->lastLine = $message; |
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return; |
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} |
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if ($message !== '') { |
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$tokens = explode(': ', $message, 2); |
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$this->headers[$tokens[0]] = $tokens[1]; |
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} |
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if ($this->lastLine === '' && $message === '') { |
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$this->writeLine('HTTP/1.1 200 OK'); |
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$this->writeLine('Content-Type: text/plain'); |
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$this->writeLine(); |
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$url = $this->headers['Host'].$this->resource; |
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$this->writeLine( |
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"You requested {$url} using verb {$this->verb} over {$this->protocol}" |
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); |
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$this->disconnect(); |
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} |
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$this->lastLine = $message; |
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} |
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protected function disconnect() |
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{ |
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$this->server->disconnect($this->socket); |
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} |
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protected function writeLine($message = '') |
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{ |
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$message .= "\r\n"; |
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$this->socket->write($message, strlen($message)); |
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} |
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} |
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$server = new WebServer('0.0.0.0', 8001); |
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navarr /
Sockets
