Files
NODEDC_PLATFORM/device-plane/services/device-edge-relay/src/server.mjs
T

86 lines
2.7 KiB
JavaScript

import { createDeviceEdgeRelayRuntime } from "./runtime.mjs";
const runtime = createDeviceEdgeRelayRuntime({
ingressEnabled: parseBoolean(
process.env.DEVICE_EDGE_RELAY_INGRESS_ENABLED,
false,
),
healthHost: process.env.DEVICE_EDGE_RELAY_HEALTH_HOST || "127.0.0.1",
healthPort: parsePort(process.env.DEVICE_EDGE_RELAY_HEALTH_PORT, 18221),
tcpHost: process.env.DEVICE_EDGE_RELAY_TCP_HOST,
tcpPort: parsePort(process.env.DEVICE_EDGE_RELAY_TCP_PORT, 9921),
upstreamHost: process.env.DEVICE_EDGE_RELAY_UPSTREAM_HOST,
upstreamPort: parsePort(
process.env.DEVICE_EDGE_RELAY_UPSTREAM_PORT,
undefined,
),
maxConcurrentSessions: parsePositiveInt(
process.env.DEVICE_EDGE_RELAY_MAX_SESSIONS,
100,
),
maxSessionsPerAddress: parsePositiveInt(
process.env.DEVICE_EDGE_RELAY_MAX_SESSIONS_PER_ADDRESS,
10,
),
maxConnectionsPerMinutePerAddress: parsePositiveInt(
process.env.DEVICE_EDGE_RELAY_MAX_CONNECTIONS_PER_MINUTE_PER_ADDRESS,
30,
),
maxTrackedSourceAddresses: parsePositiveInt(
process.env.DEVICE_EDGE_RELAY_MAX_TRACKED_SOURCE_ADDRESSES,
2048,
),
maxBytesPerDirection: parsePositiveInt(
process.env.DEVICE_EDGE_RELAY_MAX_BYTES_PER_DIRECTION,
262_144,
),
sourcePolicy: process.env.DEVICE_EDGE_RELAY_SOURCE_POLICY,
sessionTimeoutMs: parsePositiveInt(
process.env.DEVICE_EDGE_RELAY_SESSION_TIMEOUT_MS,
10000,
),
});
const addresses = await runtime.start();
console.log(JSON.stringify({
event: "device_edge_relay_started",
health: addresses.healthAddress,
tcp: addresses.tcpAddress,
ingress: runtime.status().ingress,
protocolInspection: "disabled",
commandTransport: "disabled",
}));
process.on("SIGTERM", shutdown);
process.on("SIGINT", shutdown);
async function shutdown() {
await runtime.stop();
process.exit(0);
}
function parsePort(value, fallback) {
if (value === undefined && fallback === undefined) return undefined;
const parsed = Number(value ?? fallback);
if (!Number.isSafeInteger(parsed) || parsed < 1 || parsed > 65535) {
throw new Error("device_edge_relay_port_invalid");
}
return parsed;
}
function parsePositiveInt(value, fallback) {
const parsed = Number(value || fallback);
if (!Number.isSafeInteger(parsed) || parsed < 1) {
throw new Error("device_edge_relay_positive_integer_invalid");
}
return parsed;
}
function parseBoolean(value, fallback) {
if (value === undefined || value === null || value === "") return fallback;
const normalized = String(value).trim().toLowerCase();
if (["1", "true", "yes", "on"].includes(normalized)) return true;
if (["0", "false", "no", "off"].includes(normalized)) return false;
throw new Error("device_edge_relay_boolean_invalid");
}