import { copy } from "../../../test_util/std/io/util.ts"; const addr = Deno.args[0] || "0.0.0.0:4544"; const [hostname, port] = addr.split(":"); const listener = Deno.listen({ hostname, port: Number(port) }); console.log("listening on", addr); listener.accept().then( async (conn) => { console.log("received bytes:", await copy(conn, conn)); conn.close(); listener.close(); }, );