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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 | 3x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 2x 1x 1x 1x 1x 1x 5x 5x 5x 5x 5x 5x 5x 5x 1x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 1x 1x 1x 1x 1x 1x 1x 1x 1x 5x | import type { Express } from "express";
import type { CompilationResult } from "./services/arduino-compiler";
import { WebSocket } from "ws";
import type { WebSocketServer } from "ws";
import { createServer, type Server } from "node:http";
import { createHash } from "node:crypto";
import { storage } from "./storage";
import { getCompilerWithFallback } from "./services/compiler-with-fallback";
import { SandboxRunner } from "./services/sandbox-runner";
import {
getCompileRateLimiter,
getSimulationRateLimiter,
} from "./services/rate-limiter";
import { getSimulationAdmissionController } from "./services/simulation-admission-controller";
import { shouldSendSimulationEndMessage } from "./services/simulation-end";
import {
getSandboxRunnerPool,
initializeSandboxRunnerPool,
} from "./services/sandbox-runner-pool";
import { Logger } from "@shared/logger"; // Pfad ggf. anpassen
// modular route registrations
import { registerCompilerRoutes } from "./routes/compiler.routes";
import { registerSimulationWebSocket } from "./routes/simulation.ws";
import { registerStatusRoutes } from "./routes/status.routes";
import { registerConfigRoutes } from "./routes/config.routes";
import { registerTestResetRoute } from "./routes/test-reset.routes";
import { registerExamplesRoutes } from "./routes/examples.routes";
import { registerTutorRoutes } from "./routes/tutor.routes";
import { registerSketchRoutes } from "./routes/sketches.routes";
import { LastCompiledCodeStore } from "./services/last-compiled-code-store";
import { ExamplesRepository } from "./services/examples/examples-repository";
import { config } from "./config";
import { createUserAuthorizationMiddleware } from "./security/access-control";
import { apiVersionMiddleware } from "./services/protocol-version";
import { ProcessExecutor } from "./services/process-executor";
import { removeOrphanedSandboxContainers, sandboxOwner } from "./services/sandbox/orphan-sweep";
const WEBSOCKET_CLOSE_GRACE_MS = 250;
async function closeWebSocketClients(wss: WebSocketServer): Promise<void> {
const clients = [...wss.clients].filter((client) => client.readyState !== WebSocket.CLOSED);
Iif (clients.length === 0) return;
await new Promise<void>((resolve) => {
let settled = false;
const finish = () => {
Iif (settled) return;
settled = true;
clearTimeout(forceCloseTimer);
resolve();
};
const checkClosed = () => {
if (clients.every((client) => client.readyState === WebSocket.CLOSED)) finish();
};
const forceCloseTimer = setTimeout(() => {
for (const client of clients) {
if (client.readyState !== WebSocket.CLOSED) client.terminate();
}
finish();
}, WEBSOCKET_CLOSE_GRACE_MS);
for (const client of clients) {
client.once("close", checkClosed);
client.close(1001, "Server shutdown");
}
checkClosed();
});
}
function hashCode(
code: string,
headers?: Array<{ name: string; content: string }>,
options?: { fqbn?: string; libraries?: string[]; entryFile?: string },
): string {
const combinedInput = JSON.stringify({
cacheVersion: 1,
code,
headers: headers || [],
fqbn: options?.fqbn || "",
libraries: [...(options?.libraries || [])].sort((a, b) => a.localeCompare(b)),
entryFile: options?.entryFile || "sketch.ino",
});
return createHash("sha256").update(combinedInput).digest("hex");
}
class CompilationCache extends Map<string, { result: CompilationResult; timestamp: number }> {
constructor(private readonly maxEntries = 100) {
super();
}
override get(key: string) {
const entry = super.get(key);
if (entry) {
super.delete(key);
super.set(key, entry);
}
return entry;
}
override set(key: string, value: { result: CompilationResult; timestamp: number }) {
super.delete(key);
super.set(key, value);
while (this.size > this.maxEntries) {
const oldest = this.keys().next().value;
if (oldest === undefined) break;
super.delete(oldest);
}
return this;
}
}
export async function registerRoutes(app: Express): Promise<Server> {
const logger = new Logger("Routes");
const httpServer = createServer(app);
Iif (config.serverMode === "docker") {
// Before any sandbox of this process exists: remove those a crashed predecessor left running.
await removeOrphanedSandboxContainers(new ProcessExecutor(), sandboxOwner(), logger);
}
await initializeSandboxRunnerPool();
// All REST endpoints advertise and negotiate the same additive API contract.
app.use("/api", apiVersionMiddleware);
// Lightweight health endpoint for backend reachability checks
app.get("/api/health", (_req, res) => {
res.json({ status: "ok" });
});
const requireUser = createUserAuthorizationMiddleware(config.trust);
app.use("/api/status", requireUser);
app.use("/api/compile", requireUser);
app.use("/api/sketches", requireUser);
app.use("/api/tutor", requireUser);
// Detailed status endpoint: pool stats + compile semaphore stats
registerStatusRoutes(app);
// Client configuration endpoint
registerConfigRoutes(app);
/**
* Legacy compatibility fallback for clients that omit code in
* start_simulation. New clients must send the compiled code per session.
* Removal follows the deprecation policy in docs/ARCHITECTURE.md.
* Kept per subject: a start never runs code that another user compiled.
*/
const lastCompiledCode = new LastCompiledCodeStore(config.compilation.lastCompiledCodeMaxSubjects);
// Compilation Cache: Map<codeHash, CompilationResult>
const compilationCache = new CompilationCache(config.compilation.resultCacheMaxEntries);
const CACHE_TTL = config.compilation.resultCacheTtlMs; // 5 minutes
// Placeholder for simulation websocket API (populated when WS module is registered)
let simulationApi: {
wss: WebSocketServer;
stopAllRunnersAndNotify: () => Promise<{
cleanedUpCount: number;
cleanedTestRunIds: string[];
}>;
} | null = null;
registerTestResetRoute(app, {
isTest: config.isTest,
enabled: config.server.enableTestEndpoints,
getSimulationApi: () => simulationApi,
logger,
});
// --- Examples API endpoint ---
const examplesRepository = new ExamplesRepository();
registerExamplesRoutes(app, examplesRepository, {
trust: config.trust,
disableRateLimit: config.server.disableRateLimit,
});
registerTutorRoutes(app, {
logger,
disableRateLimit: config.server.disableRateLimit,
courseContent: examplesRepository,
});
registerSketchRoutes(app, storage);
// --- COMPILATION (moved to modular route) ---
// Delegate the /api/compile handler to the compiler module and inject
// the compilation cache + lastCompiledCode setter so behaviour is
// unchanged but implementation is modularized.
//
// Use CompilerWithFallback which routes work through worker threads for parallelization
const compiler = getCompilerWithFallback();
registerCompilerRoutes(app, {
compiler,
compilationCache,
hashCode,
CACHE_TTL,
setLastCompiledCode: (subject: string, code: string) => {
lastCompiledCode.set(subject, code);
},
logger,
compileRateLimiter: getCompileRateLimiter(),
disableRateLimit: config.server.disableRateLimit,
});
// --- WebSocket handler (moved to modular WS file) ---
// Register WS handlers and receive a small API back so other routes
// (e.g. /api/test-reset) can operate on the same runner state.
const runnerPool = getSandboxRunnerPool();
simulationApi = registerSimulationWebSocket(httpServer, {
SandboxRunner,
getSimulationRateLimiter,
getSimulationAdmissionController,
shouldSendSimulationEndMessage,
getLastCompiledCode: (subject: string) => lastCompiledCode.get(subject),
logger,
runnerPool,
trust: config.trust,
allowedWebSocketOrigins: config.server.allowedWebSocketOrigins,
disableRateLimit: config.server.disableRateLimit,
});
(httpServer as Server & { shutdownServices?: () => Promise<void> }).shutdownServices = async () => {
await simulationApi?.stopAllRunnersAndNotify();
Eif (simulationApi) {
const { wss } = simulationApi;
const closePromise = new Promise<void>((resolve) => {
wss.close(() => resolve());
});
await closeWebSocketClients(wss);
await closePromise;
}
await runnerPool.shutdown();
Iif (config.serverMode === "docker") {
// Final safety net: anything a stop could not confirm is removed by
// label; what still survives is removed by the next start's sweep.
await removeOrphanedSandboxContainers(new ProcessExecutor(), sandboxOwner(), logger, 3_000);
}
};
// (WS implementation moved to server/routes/simulation.ws.ts)
return httpServer;
}
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