582 lines
17 KiB
JavaScript
582 lines
17 KiB
JavaScript
// Local simulator that serves the exported build and replaces CGI placeholders from mocks/.
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// - Serves the exported "out" folder.
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// - Replaces placeholders like <%=SAV00%>, <%=SAN01%>, DANxx/DASxx etc. using mocks/device-cgi-simulator/**.
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// - Supports mapping /CPL?/path to /path in the export.
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import http from "http";
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import fs from "fs";
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import path from "path";
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const PORT = process.env.PORT ? Number(process.env.PORT) : 3030;
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const ROOT = path.join(process.cwd(), "out");
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// Simple in-memory caches to speed up local dev
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const textCache = new Map(); // key: absolute path, value: { mtimeMs, body, contentType }
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let messagesAllCache = null; // cache parsed meldungen/messages_all.json
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function exists(p) {
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try {
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fs.accessSync(p, fs.constants.F_OK);
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return true;
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} catch {
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return false;
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}
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}
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function contentTypeByExt(ext) {
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switch (ext) {
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case ".html":
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return "text/html; charset=utf-8";
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case ".js":
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return "application/javascript; charset=utf-8";
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case ".json":
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return "application/json; charset=utf-8";
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case ".css":
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return "text/css; charset=utf-8";
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case ".txt":
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return "text/plain; charset=utf-8";
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case ".svg":
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return "image/svg+xml";
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case ".png":
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return "image/png";
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case ".jpg":
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case ".jpeg":
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return "image/jpeg";
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case ".ico":
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return "image/x-icon";
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default:
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return "application/octet-stream";
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}
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}
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function isTextExt(ext) {
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return [".html", ".js", ".json", ".css", ".txt", ".svg"].includes(ext);
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}
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function readJsonSafe(fp) {
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try {
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return JSON.parse(fs.readFileSync(fp, "utf8"));
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} catch {
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return {};
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}
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}
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function getRelFromRoot(filePath) {
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try {
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const r = path.relative(ROOT, filePath).split(path.sep).join("/");
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return r.startsWith("../") ? r : r;
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} catch {
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return "";
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}
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}
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function tryServeSpecialMocks(res, relPath) {
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const rp = relPath.replace(/^\/+/, "");
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// Serve ready JS/JSON mocks for some routes
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// Digital Inputs JSON
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if (rp === "CPL/SERVICE/digitalInputs.json") {
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const mockPath = path.join(
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process.cwd(),
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"mocks",
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"device-cgi-simulator",
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"SERVICE",
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"digitalInputsMockData.json"
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);
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if (exists(mockPath)) return streamRaw(res, mockPath);
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}
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// Analog Inputs JSON
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if (rp === "CPL/SERVICE/analogInputs.json") {
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const mockPath = path.join(
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process.cwd(),
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"mocks",
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"device-cgi-simulator",
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"SERVICE",
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"analogInputsMockData.json"
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);
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if (exists(mockPath)) return streamRaw(res, mockPath);
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}
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// Kabelüberwachung main JS (kueData.js)
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if (rp === "CPL/SERVICE/kueData.js") {
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const mockPath = path.join(
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process.cwd(),
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"mocks",
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"device-cgi-simulator",
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"SERVICE",
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"kabelueberwachungMockData.js"
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);
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if (exists(mockPath)) return streamRaw(res, mockPath);
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}
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// Kabelüberwachung Knotenpunkte slot JS files
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if (rp.startsWith("CPL/SERVICE/knotenpunkte/") && rp.endsWith(".js")) {
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const mockPath = path.join(
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process.cwd(),
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"mocks",
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"device-cgi-simulator",
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rp.replace(/^CPL\//, "")
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);
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if (exists(mockPath)) return streamRaw(res, mockPath);
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}
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// Kabelüberwachung Knotenpunkte via kueDataKnoten (case: Service)
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if (
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(rp.startsWith("CPL/Service/kueDataKnoten/") ||
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rp.startsWith("CPL/SERVICE/kueDataKnoten/")) &&
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rp.endsWith(".js")
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) {
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const m = rp.match(/kueDataKnoten\/kueData(\d+)\.js$/);
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if (m) {
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const slot = Number(m[1]);
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const mockPath = path.join(
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process.cwd(),
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"mocks",
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"device-cgi-simulator",
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"SERVICE",
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"knotenpunkte",
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`slot${slot}.js`
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);
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if (exists(mockPath)) return streamRaw(res, mockPath);
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}
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}
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if (rp === "CPL/SERVICE/systemVoltTemp.js") {
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const mockPath = path.join(
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process.cwd(),
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"mocks",
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"device-cgi-simulator",
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"SERVICE",
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"systemVoltTempMockData.js"
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);
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if (exists(mockPath)) return streamRaw(res, mockPath);
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}
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if (rp === "CPL/SERVICE/last20Messages.js") {
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const mockPath = path.join(
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process.cwd(),
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"mocks",
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"device-cgi-simulator",
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"SERVICE",
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"last20MessagesMockData.js"
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);
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if (exists(mockPath)) return streamRaw(res, mockPath);
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}
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// Some builds request last messages via Start.js
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if (rp === "CPL/SERVICE/Start.js" || rp === "CPL/Service/Start.js") {
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const mockPath = path.join(
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process.cwd(),
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"mocks",
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"device-cgi-simulator",
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"SERVICE",
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"last20MessagesMockData.js"
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);
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if (exists(mockPath)) return streamRaw(res, mockPath);
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}
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if (rp === "CPL/meldungen/messages_all.json") {
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const mockPath = path.join(
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process.cwd(),
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"mocks",
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"device-cgi-simulator",
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"meldungen",
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"messages_all.json"
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);
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if (exists(mockPath)) return streamRaw(res, mockPath);
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}
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if (rp.startsWith("CPL/chartsData/analogInputs/")) {
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const mockPath = path.join(
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process.cwd(),
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"mocks",
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"device-cgi-simulator",
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rp.replace(/^CPL\//, "")
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);
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if (exists(mockPath)) return streamRaw(res, mockPath);
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}
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// TDR reference curves (if mocks exist)
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if (rp.startsWith("CPL/tdr-reference-curves/")) {
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const mockPath = path.join(
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process.cwd(),
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"mocks",
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"device-cgi-simulator",
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rp.replace(/^CPL\//, "")
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);
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if (exists(mockPath)) return streamRaw(res, mockPath);
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}
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// Generic: any CPL/SERVICE/*.js -> try <name>MockData.js or <name>.js from mocks
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const m = rp.match(/^CPL\/(SERVICE|Service)\/([A-Za-z0-9_-]+)\.js$/);
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if (m) {
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const name = m[2];
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const candidates = [
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path.join(
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process.cwd(),
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"mocks",
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"device-cgi-simulator",
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"SERVICE",
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`${name}MockData.js`
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),
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path.join(
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process.cwd(),
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"mocks",
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"device-cgi-simulator",
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"SERVICE",
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`${name}.js`
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),
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];
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for (const p of candidates) {
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if (exists(p)) return streamRaw(res, p);
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}
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}
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return false;
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}
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function streamRaw(res, filePath) {
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const ext = path.extname(filePath).toLowerCase();
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const type = contentTypeByExt(ext);
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// cache headers for static assets
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const headers = { "Content-Type": type };
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if (getRelFromRoot(filePath).startsWith("_next/")) {
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headers["Cache-Control"] = "public, max-age=31536000, immutable";
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} else {
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headers["Cache-Control"] = "public, max-age=60";
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}
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res.writeHead(200, headers);
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fs.createReadStream(filePath).pipe(res);
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return true;
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}
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function resolvePlaceholders(filePath, content) {
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const rel = getRelFromRoot(filePath);
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const serviceSystem =
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/CPL\/SERVICE\/(System\.(js|json)|system\.(js|json))$/i.test(rel);
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const serviceOpcua = /CPL\/SERVICE\/opcua\.(js|json)$/i.test(rel);
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const serviceDO = /CPL\/SERVICE\/digitalOutputs\.(js|json)$/i.test(rel);
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const serviceDI = /CPL\/SERVICE\/digitalInputs\.(js|json)$/i.test(rel);
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let data = {};
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let replacer = (m) => m;
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if (serviceSystem || /\.html$/i.test(rel)) {
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const baseDir = path.join(
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process.cwd(),
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"mocks",
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"device-cgi-simulator",
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"SERVICE"
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);
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const sysJson = exists(path.join(baseDir, "SystemMockData.json"))
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? path.join(baseDir, "SystemMockData.json")
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: path.join(baseDir, "systemMockData.json");
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data = exists(sysJson) ? readJsonSafe(sysJson) : {};
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const map = {
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SAV00: "win_appVersion",
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SAN01: "win_deviceName",
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SEM01: "win_mac1",
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SEI01: "win_ip",
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SES01: "win_subnet",
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SEG01: "win_gateway",
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SCL01: "win_cplInternalTimestamp",
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STP01: "win_ntp1",
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STP02: "win_ntp2",
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STP03: "win_ntp3",
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STT00: "win_ntpTimezone",
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STA00: "win_ntpActive",
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SOS01: "win_opcState",
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SOC01: "win_opcSessions",
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SON01: "win_opcName",
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};
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replacer = (m, key) => {
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if (Object.prototype.hasOwnProperty.call(data, key))
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return String(data[key]);
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const prop = map[key];
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if (prop && Object.prototype.hasOwnProperty.call(data, prop))
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return String(data[prop]);
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return m;
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};
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} else if (serviceOpcua) {
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const json = path.join(
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process.cwd(),
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"mocks",
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"device-cgi-simulator",
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"SERVICE",
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"opcuaMockData.json"
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);
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data = exists(json) ? readJsonSafe(json) : {};
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const map = {
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SOS01: "win_opcUaZustand",
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SOC01: "win_opcUaActiveClientCount",
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SON01: "win_opcUaNodesetName",
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};
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replacer = (m, key) => {
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if (Object.prototype.hasOwnProperty.call(data, key))
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return String(data[key]);
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const prop = map[key];
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if (prop && Object.prototype.hasOwnProperty.call(data, prop))
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return String(data[prop]);
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return m;
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};
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} else if (serviceDI) {
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const json = path.join(
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process.cwd(),
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"mocks",
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"device-cgi-simulator",
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"SERVICE",
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"digitalInputsMockData.json"
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);
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data = exists(json) ? readJsonSafe(json) : {};
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const getter = (arrName, idx) => {
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const arr = data[arrName];
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return Array.isArray(arr) && idx >= 0 && idx < arr.length
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? String(arr[idx])
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: undefined;
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};
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replacer = (m, key) => {
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// Map DES/DEN/DEC/DEF/DEG/DEI/DEZ/DEA nn (80..83) to CSV lines
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const m2 = key.match(/^(DES|DEN|DEC|DEF|DEG|DEI|DEZ|DEA)(\d{2})$/i);
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if (m2) {
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const prefix = m2[1].toUpperCase();
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const num = parseInt(m2[2], 10);
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const idx = num - 80; // 80..83 => 0..3
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if (idx >= 0 && idx < 4) {
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const mapName = {
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DES: "win_de_state",
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DEN: "win_de_label",
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DEC: "win_de_counter",
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DEF: "win_de_time_filter",
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DEG: "win_de_weighting",
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DEI: "win_de_invert",
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DEZ: "win_de_counter_active",
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DEA: "win_de_offline",
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}[prefix];
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if (mapName) {
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const v = getter(mapName, idx);
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if (v !== undefined) return v;
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}
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}
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}
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return m;
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};
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} else if (serviceDO) {
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const json = path.join(
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process.cwd(),
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"mocks",
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"device-cgi-simulator",
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"SERVICE",
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"digitalOutputsMockData.json"
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);
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data = exists(json) ? readJsonSafe(json) : {};
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replacer = (m, key) => {
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// DASnn -> win_da_state[n-1]
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if (/^DAS\d{2}$/i.test(key)) {
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const idx = parseInt(key.slice(3), 10) - 1;
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const arr = data.win_da_state;
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if (Array.isArray(arr) && idx >= 0 && idx < arr.length)
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return String(arr[idx]);
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}
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// DANnn -> string label (ensure proper quoting in JS array)
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if (/^DAN\d{2}$/i.test(key)) {
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const idx = parseInt(key.slice(3), 10) - 1;
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const arr = data.win_da_bezeichnung;
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if (Array.isArray(arr) && idx >= 0 && idx < arr.length)
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return JSON.stringify(arr[idx] ?? "");
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}
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return m;
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};
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} else {
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// Default: no change
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replacer = (m) => m;
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}
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return content.replace(/<%=([A-Z0-9_]+)%>/g, replacer);
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}
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function sendFileWithReplace(res, filePath) {
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const ext = path.extname(filePath).toLowerCase();
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const type = contentTypeByExt(ext);
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const rel = getRelFromRoot(filePath);
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const shouldReplace =
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isTextExt(ext) && (ext === ".html" || /(^|\/)CPL\//.test(rel));
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// Try cache first (only for text files)
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if (shouldReplace) {
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try {
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const stat = fs.statSync(filePath);
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const cached = textCache.get(filePath);
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if (cached && cached.mtimeMs === stat.mtimeMs) {
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const headers = { "Content-Type": type, "Cache-Control": "no-cache" };
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res.writeHead(200, headers);
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res.end(cached.body);
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return;
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}
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let content = fs.readFileSync(filePath, "utf8");
|
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// quick check to avoid heavy replace if no tokens
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if (content.includes("<%=")) {
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content = resolvePlaceholders(filePath, content);
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}
|
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const headers = { "Content-Type": type, "Cache-Control": "no-cache" };
|
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res.writeHead(200, headers);
|
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res.end(content);
|
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textCache.set(filePath, {
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mtimeMs: stat.mtimeMs,
|
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body: content,
|
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contentType: type,
|
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});
|
|
return;
|
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} catch {
|
|
// fall through to stream as binary if read fails
|
|
}
|
|
}
|
|
const headers = { "Content-Type": type };
|
|
if (rel.startsWith("_next/"))
|
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headers["Cache-Control"] = "public, max-age=31536000, immutable";
|
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else headers["Cache-Control"] = "public, max-age=60";
|
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res.writeHead(200, headers);
|
|
fs.createReadStream(filePath).pipe(res);
|
|
}
|
|
|
|
function notFound(res) {
|
|
res.writeHead(404, { "Content-Type": "text/plain; charset=utf-8" });
|
|
res.end("Not Found");
|
|
}
|
|
|
|
const server = http.createServer((req, res) => {
|
|
try {
|
|
const url = new URL(req.url, `http://localhost:${PORT}`);
|
|
const pathname = decodeURIComponent(url.pathname);
|
|
const rawQuery = req.url.includes("?") ? req.url.split("?")[1] : "";
|
|
|
|
// Lightweight API for messages used in local mocks
|
|
if (pathname === "/api/cpl/messages") {
|
|
const fromDate = url.searchParams.get("fromDate");
|
|
const toDate = url.searchParams.get("toDate");
|
|
if (!fromDate || !toDate) {
|
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res.writeHead(400, { "Content-Type": "application/json" });
|
|
res.end(
|
|
JSON.stringify({ error: "fromDate und toDate sind erforderlich" })
|
|
);
|
|
return;
|
|
}
|
|
try {
|
|
if (!messagesAllCache) {
|
|
const p = path.join(
|
|
process.cwd(),
|
|
"mocks",
|
|
"device-cgi-simulator",
|
|
"meldungen",
|
|
"messages_all.json"
|
|
);
|
|
const raw = fs.readFileSync(p, "utf8");
|
|
messagesAllCache = JSON.parse(raw);
|
|
}
|
|
const from = new Date(fromDate);
|
|
const to = new Date(toDate);
|
|
to.setHours(23, 59, 59, 999);
|
|
const filtered = messagesAllCache.filter((m) => {
|
|
const t = new Date(m.t);
|
|
return t >= from && t <= to;
|
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});
|
|
res.writeHead(200, {
|
|
"Content-Type": "application/json",
|
|
"Cache-Control": "no-cache",
|
|
});
|
|
res.end(JSON.stringify(filtered));
|
|
} catch {
|
|
res.writeHead(500, { "Content-Type": "application/json" });
|
|
res.end(JSON.stringify({ error: "Interner Serverfehler" }));
|
|
}
|
|
return;
|
|
}
|
|
|
|
// CPL? mapping: /CPL?/CPL/... -> /CPL/... and service commands
|
|
if (pathname === "/CPL" && rawQuery) {
|
|
const q = decodeURIComponent(rawQuery);
|
|
if (q.startsWith("/")) {
|
|
const rel = q.replace(/^\/+/, "");
|
|
// Special mocks
|
|
if (tryServeSpecialMocks(res, rel)) return;
|
|
const target = path.join(ROOT, rel);
|
|
if (exists(target) && fs.statSync(target).isFile()) {
|
|
return sendFileWithReplace(res, target);
|
|
}
|
|
if (exists(target) && fs.statSync(target).isDirectory()) {
|
|
const indexFile = path.join(target, "index.html");
|
|
if (exists(indexFile)) return sendFileWithReplace(res, indexFile);
|
|
}
|
|
return notFound(res);
|
|
}
|
|
// Service commands: implement minimal subset for messages
|
|
// Example: Service/ae.ACP&MSS1=YYYY;MM;DD;YYYY;MM;DD;All
|
|
if (/^Service\/ae\.ACP/i.test(q) && q.includes("MSS1=")) {
|
|
try {
|
|
// Extract date parameters
|
|
const m = q.match(/MSS1=([^&]+)/);
|
|
const parts = m && m[1] ? m[1].split(";") : [];
|
|
if (parts.length >= 7) {
|
|
const [fy, fm, fd, ty, tm, td] = parts;
|
|
const from = new Date(`${fy}-${fm}-${fd}`);
|
|
const to = new Date(`${ty}-${tm}-${td}`);
|
|
to.setHours(23, 59, 59, 999);
|
|
if (!messagesAllCache) {
|
|
const p = path.join(
|
|
process.cwd(),
|
|
"mocks",
|
|
"device-cgi-simulator",
|
|
"meldungen",
|
|
"messages_all.json"
|
|
);
|
|
const raw = fs.readFileSync(p, "utf8");
|
|
messagesAllCache = JSON.parse(raw);
|
|
}
|
|
const filtered = messagesAllCache.filter((m) => {
|
|
const t = new Date(m.t);
|
|
return t >= from && t <= to;
|
|
});
|
|
res.writeHead(200, {
|
|
"Content-Type": "application/json",
|
|
"Cache-Control": "no-cache",
|
|
});
|
|
res.end(JSON.stringify(filtered));
|
|
return;
|
|
}
|
|
} catch {
|
|
// fall-through
|
|
}
|
|
}
|
|
// Other non-file commands: just 200 OK
|
|
res.writeHead(200, { "Content-Type": "text/plain; charset=utf-8" });
|
|
res.end("OK");
|
|
return;
|
|
}
|
|
|
|
// Static serving from export
|
|
let filePath = path.join(ROOT, pathname);
|
|
|
|
if (pathname.endsWith("/")) {
|
|
filePath = path.join(filePath, "index.html");
|
|
if (exists(filePath)) return sendFileWithReplace(res, filePath);
|
|
}
|
|
|
|
// Special mocks outside CPL?
|
|
const relStatic = pathname.replace(/^\/+/, "");
|
|
if (tryServeSpecialMocks(res, relStatic)) return;
|
|
|
|
if (exists(filePath) && fs.statSync(filePath).isFile()) {
|
|
return sendFileWithReplace(res, filePath);
|
|
}
|
|
|
|
const htmlVariant = filePath + ".html";
|
|
if (exists(htmlVariant)) {
|
|
return sendFileWithReplace(res, htmlVariant);
|
|
}
|
|
|
|
// Fallback: out/index.html
|
|
const fallback = path.join(ROOT, "index.html");
|
|
if (exists(fallback)) return sendFileWithReplace(res, fallback);
|
|
|
|
return notFound(res);
|
|
} catch (err) {
|
|
res.writeHead(500, { "Content-Type": "text/plain; charset=utf-8" });
|
|
res.end(
|
|
"Internal Server Error\n" + (err && err.stack ? err.stack : String(err))
|
|
);
|
|
}
|
|
});
|
|
|
|
server.listen(PORT, () => {
|
|
console.log(`Local CPL simulator running on http://localhost:${PORT}`);
|
|
console.log(`Serving from: ${ROOT}`);
|
|
console.log("Replacing CGI placeholders using mocks/ where available");
|
|
});
|