81 lines
2.2 KiB
TypeScript
81 lines
2.2 KiB
TypeScript
import { create, toBinary } from '@bufbuild/protobuf';
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import * as P from '@meshtastic/protobufs';
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import * as net from 'node:net';
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import type { AddressInfo } from 'node:net';
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import { frame } from './codec.js';
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/** In-process TCP stand-in for the meshtastic-serial-bridge; hands out accepted sockets. */
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export function startBridge(
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onSocket?: (s: net.Socket) => void,
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): Promise<{ port: number; sockets: net.Socket[]; close: () => void }> {
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const sockets: net.Socket[] = [];
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const server = net.createServer((socket) => {
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onSocket?.(socket); // attached at accept time, before any data can arrive
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sockets.push(socket);
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});
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return new Promise((resolve) => {
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server.listen(0, '127.0.0.1', () => {
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resolve({
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port: (server.address() as AddressInfo).port,
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sockets,
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close: () => server.close(),
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});
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});
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});
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}
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export async function waitFor(
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cond: () => boolean | Promise<boolean>,
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timeoutMs = 5000,
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): Promise<void> {
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const t0 = Date.now();
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while (!(await cond())) {
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if (Date.now() - t0 > timeoutMs) throw new Error('timed out waiting');
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await new Promise((r) => setTimeout(r, 10));
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}
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}
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/** Plain-object NodeInfo fields (init shape, not the runtime message type) accepted by nodeInfoFrame. */
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export interface NodeInfoFields {
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user?: {
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id?: string;
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longName?: string;
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shortName?: string;
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hwModel?: number;
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};
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position?: { latitudeI?: number; longitudeI?: number; altitude?: number };
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lastHeard?: number;
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deviceMetrics?: { batteryLevel?: number };
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}
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export function nodeInfoFrame(
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num: number,
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fields?: NodeInfoFields,
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): Uint8Array {
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const ni = create(P.Mesh.NodeInfoSchema, { num, ...fields });
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return frame(
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toBinary(
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P.Mesh.FromRadioSchema,
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create(P.Mesh.FromRadioSchema, {
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payloadVariant: { case: 'nodeInfo', value: ni },
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}),
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),
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);
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}
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export const KAMIL_NUM = 123456789;
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export function kamilNodeInfo(): NodeInfoFields {
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return {
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user: {
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id: '!kamil',
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longName: 'Kamil SP8MK/P',
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shortName: 'KK',
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hwModel: P.Mesh.HardwareModel.TBEAM,
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},
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position: { latitudeI: 521049637, longitudeI: 209833152, altitude: 123 },
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lastHeard: 1758000000,
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deviceMetrics: { batteryLevel: 87 },
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};
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}
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