openclaw
Version:
Multi-channel AI gateway with extensible messaging integrations
52 lines (51 loc) • 2.03 kB
JavaScript
import os from "node:os";
//#region src/infra/network-interfaces.ts
function normalizeNetworkInterfaceFamily(family) {
if (family === "IPv4" || family === 4) return "IPv4";
if (family === "IPv6" || family === 6) return "IPv6";
}
/** Reads the current network interface snapshot, allowing tests to inject a reader. */
function readNetworkInterfaces(networkInterfaces = os.networkInterfaces) {
return networkInterfaces();
}
/** Best-effort interface read that returns undefined when OS inspection fails. */
function safeNetworkInterfaces(networkInterfaces = os.networkInterfaces) {
try {
return readNetworkInterfaces(networkInterfaces);
} catch {
return;
}
}
/** Lists non-internal interface addresses, optionally filtered by IP family. */
function listExternalInterfaceAddresses(snapshot, family) {
const addresses = [];
if (!snapshot) return addresses;
for (const [name, entries] of Object.entries(snapshot)) {
if (!entries) continue;
for (const entry of entries) {
if (!entry || entry.internal) continue;
const address = entry.address?.trim();
if (!address) continue;
const entryFamily = normalizeNetworkInterfaceFamily(entry.family);
if (!entryFamily || family && entryFamily !== family) continue;
addresses.push({
name,
address,
family: entryFamily
});
}
}
return addresses;
}
/** Picks a matching external address, honoring preferred interface names first. */
function pickMatchingExternalInterfaceAddress(snapshot, params) {
const { family, preferredNames = [], matches = () => true } = params;
const addresses = listExternalInterfaceAddresses(snapshot, family);
for (const name of preferredNames) {
const preferred = addresses.find((entry) => entry.name === name && matches(entry.address));
if (preferred) return preferred.address;
}
return addresses.find((entry) => matches(entry.address))?.address;
}
//#endregion
export { safeNetworkInterfaces as i, pickMatchingExternalInterfaceAddress as n, readNetworkInterfaces as r, listExternalInterfaceAddresses as t };