69 lines
2.1 KiB
JavaScript
69 lines
2.1 KiB
JavaScript
// server.js
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const express = require("express");
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const http = require("http");
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const next = require("next");
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const { Server } = require("socket.io");
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const fs = require("fs");
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const path = require("path");
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const port = parseInt(process.env.PORT, 10) || 3000;
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const dev = process.env.NODE_ENV !== "production";
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const app = next({ dev });
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const handle = app.getRequestHandler();
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app.prepare().then(() => {
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const expressApp = express();
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const server = http.createServer(expressApp);
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const io = new Server(server);
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// Verbindung mit Clients
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io.on("connection", socket => {
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console.log("✅ Client verbunden via socket.io");
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socket.on("message", data => {
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console.log("💬 Nachricht vom Client:", data);
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});
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socket.emit("message", { message: "Hallo vom socket.io Server" });
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//---------
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const { m, u } = socket.handshake.query;
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console.log(`🧩 WebSocket-Client verbunden mit Parametern: m=${m}, u=${u}`);
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// Du kannst diese Info verwenden, um gezielt nur bestimmte Daten zu senden:
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socket.join(`map-${m}-user-${u}`);
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});
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// 🌍 Next.js Routing
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expressApp.all("*", (req, res) => {
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return handle(req, res);
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});
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// 📁 Datei überwachen: GisLinesStatus.json (Pfad anpassen falls nötig)
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const statusFilePath = path.join(__dirname, "mockData", "GisLinesStatus.json");
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fs.watchFile(statusFilePath, { interval: 5000 }, async () => {
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console.log("📁 Änderung erkannt: GisLinesStatus.json");
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try {
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const content = fs.readFileSync(statusFilePath, "utf8");
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const data = JSON.parse(content);
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if (Array.isArray(data.Statis)) {
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io.emit("gisLinesStatusUpdated", data.Statis);
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console.log("📤 Update gesendet an Clients via Socket.IO");
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} else {
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console.warn("⚠️ 'Statis' fehlt oder hat falsches Format");
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}
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} catch (e) {
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console.error("❌ Fehler beim Parsen von GisLinesStatus.json:", e.message);
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}
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});
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// 🚀 Server starten
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server.listen(port, () => {
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console.log(`🚀 Server mit socket.io läuft auf http://localhost:${port}`);
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});
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});
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