Cristina Poncela Cubeiro
64 lines
1.4 KiB
TypeScript
64 lines
1.4 KiB
TypeScript
import { createConnection } from "node:net";
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import { getSocketPath } from "../config.ts";
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import { encodeMessage, parseResponseLine, type ServerRequest, type ServerResponse } from "./protocol.ts";
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export async function sendIpcRequest(request: ServerRequest): Promise<ServerResponse> {
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const socketPath = getSocketPath();
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return new Promise<ServerResponse>((resolve, reject) => {
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const socket = createConnection(socketPath);
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let buffer = "";
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let settled = false;
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const cleanup = () => {
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socket.removeAllListeners();
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socket.end();
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};
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socket.on("connect", () => {
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socket.write(encodeMessage(request));
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});
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socket.on("data", (chunk: Buffer | string) => {
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buffer += chunk.toString();
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const newlineIndex = buffer.indexOf("\n");
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if (newlineIndex === -1) {
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return;
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}
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const line = buffer.slice(0, newlineIndex).trim();
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if (!line) {
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return;
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}
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try {
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settled = true;
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resolve(parseResponseLine(line));
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cleanup();
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} catch (error) {
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settled = true;
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reject(error);
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cleanup();
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}
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});
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socket.on("error", (error) => {
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if (settled) {
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return;
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}
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settled = true;
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reject(error);
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cleanup();
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});
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socket.on("end", () => {
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if (settled) {
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return;
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}
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settled = true;
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reject(new Error(`Server socket closed before a response was received: ${socketPath}`));
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cleanup();
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});
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});
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}
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