From c163312f41479a9584074bbc900232e1ccd11059 Mon Sep 17 00:00:00 2001 From: "Marco.Mohr" Date: Thu, 4 Dec 2025 23:26:16 +0100 Subject: [PATCH] Dateien nach "Abgabe_Mohr" hochladen --- Abgabe_Mohr/README.md | 115 ++++ Abgabe_Mohr/composer.json | 7 + Abgabe_Mohr/composer.lock | 1305 +++++++++++++++++++++++++++++++++++++ Abgabe_Mohr/config.php | 12 + Abgabe_Mohr/wsserver.php | 99 +++ 5 files changed, 1538 insertions(+) create mode 100644 Abgabe_Mohr/README.md create mode 100644 Abgabe_Mohr/composer.json create mode 100644 Abgabe_Mohr/composer.lock create mode 100644 Abgabe_Mohr/config.php create mode 100644 Abgabe_Mohr/wsserver.php diff --git a/Abgabe_Mohr/README.md b/Abgabe_Mohr/README.md new file mode 100644 index 0000000..0515b4a --- /dev/null +++ b/Abgabe_Mohr/README.md @@ -0,0 +1,115 @@ +# Chat-Projekt mit zwei Benutzern + +Ein einfaches Chat-System mit zwei Usern, entwickelt mit PHP, JavaScript und Node.js. +Das Backend nutzt **XAMPP (Apache + PHP + MySQL)**, während **Node.js** für Echtzeit-Funktionen (z. B. WebSockets) eingesetzt wird. +Zusätzlich wird **Composer** für PHP-Abhängigkeiten benötigt. + +--- + +## Funktionen + +* Chat in Echtzeit zwischen zwei Benutzern +* Einfache Benutzeroberfläche +* Speicherung der Nachrichten in einer MySQL-Datenbank +* Klare Trennung zwischen Frontend, Backend und WebSocket-Server +* Erweiterbar für mehr Benutzer oder Features + +--- + +## Voraussetzungen (Requirements) + +Damit das Projekt funktioniert, werden folgende Programme benötigt: + +1. **XAMPP** + + * Apache Webserver + * MySQL/MariaDB Datenbank + +2. **Node.js** + + * Für WebSocket-Server oder Event-Handling + +3. **Composer** + + * PHP-Abhängigkeiten / Autoloading + +--- + +## Installation + +### 1. Repository klonen + +```bash +git clone +cd projektname +``` + +### 2. XAMPP einrichten + +* Starte **Apache** und **MySQL** +* Importiere die Datenbankdatei unter + `localhost/phpmyadmin` → *Importieren* + +### 3. Composer installieren + +```bash +composer install +``` + +### 4. Node-Module installieren + +```bash +npm install +``` + +### 5. WebSocket-Server starten + +```bash +node server.js +``` + +### 6. Projekt öffnen + +Rufe im Browser auf: + +``` +http://localhost// +``` + +--- + +## Projektstruktur + +``` +/public → Frontend (HTML, CSS, JS) + /php → PHP-Backend + /ws → Node WebSocket-Server + composer.json → Composer Dependencies + package.json → Node Dependencies + README.md → Diese Datei +``` + +--- + +## Technologien + +* **PHP 8+** +* **MySQL/MariaDB** +* **Node.js** +* **HTML/CSS/JavaScript** +* **Composer Autoloader** +* **WebSockets** + +--- + +## Lizenz + +Dieses Projekt steht unter der **MIT License**, einer freien Open-Source-Lizenz. +Sie erlaubt Nutzung, Veränderung und Weitergabe des Codes ohne Einschränkungen. + +--- + +## Autor + +Projekt von *[Dein Name]*. +Verbesserungen und Erweiterungen sind jederzeit willkommen! diff --git a/Abgabe_Mohr/composer.json b/Abgabe_Mohr/composer.json new file mode 100644 index 0000000..563297e --- /dev/null +++ b/Abgabe_Mohr/composer.json @@ -0,0 +1,7 @@ +{ + "name": "marco/chat-app", + "description": "Spaß mit Websockets", + 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true); + if (!$data) return; + + switch($data['type']) { + case 'init': + // UserID mit Verbindung speichern + $userId = $data['userId']; + $this->users[$userId] = $from; + $from->userId = $userId; + echo "User $userId registriert.\n"; + break; + + case 'message': + $senderId = $data['senderId']; + $receiverId = $data['receiverId']; + $message = $data['message']; + + // In DB speichern + $this->saveMessage($senderId, $receiverId, $message); + + // Nachricht an Empfänger senden, falls verbunden + if (isset($this->users[$receiverId])) { + $this->users[$receiverId]->send(json_encode([ + 'type' => 'new_message', + 'senderId' => $senderId, + 'message' => $message + ])); + } + + // Optional: Bestätigung an Sender, falls nötig + break; + } + } + + public function onClose(ConnectionInterface $conn) { + $this->clients->detach($conn); + if (isset($conn->userId)) { + unset($this->users[$conn->userId]); + } + echo "Verbindung {$conn->resourceId} geschlossen.\n"; + } + + public function onError(ConnectionInterface $conn, \Exception $e) { + echo "Fehler: {$e->getMessage()}\n"; + $conn->close(); + } + + protected function saveMessage($senderId, $receiverId, $message) { + $db = new mysqli("localhost","root","","projekte"); // Passe DB-Daten an + if ($db->connect_error) { + echo "DB Fehler: " . $db->connect_error; + return false; + } + + $stmt = $db->prepare("INSERT INTO chat (user_sender, user_empfaenger, nachricht) VALUES (?, ?, ?)"); + $stmt->bind_param("iis", $senderId, $receiverId, $message); + $stmt->execute(); + $stmt->close(); + $db->close(); + } +} + +// Server starten +use Ratchet\Server\IoServer; +use Ratchet\Http\HttpServer; +use Ratchet\WebSocket\WsServer; + +$server = IoServer::factory( + new HttpServer( + new WsServer( + new ChatServer() + ) + ), + 8080 // Port +); + +$server->run();