Function startHttpServer

mcp/src/http-server.ts:373–391

(
  port: number,
  opts: HttpServerOptions,
)

 * sessions to drain; closing the listener is the whole shutdown.
 */
export async function startHttpServer(
  port: number,
  opts: HttpServerOptions,
): Promise<{ close: () => Promise<void>; port: number }> {
  const { app, cache } = buildApp(opts);
  const server = app.listen(port);
  await new Promise<void>((resolve, reject) => {
    server.once("listening", resolve);
    server.once("error", reject);
  });
  const actualPort = (server.address() as { port: number }).port;
  return {
    port: actualPort,
    close: async () => {
      await new Promise<void>((resolve) => server.close(() => resolve()));
      cache.clear();
    },
  };
}