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denoland-deno/cli/bench/deno_tcp.ts
2020-09-21 08:26:41 -04:00

30 lines
910 B
TypeScript

// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
// Used for benchmarking Deno's networking.
// TODO Replace this with a real HTTP server once
// https://github.com/denoland/deno/issues/726 is completed.
// Note: this is a keep-alive server.
const addr = Deno.args[0] || "127.0.0.1:4500";
const [hostname, port] = addr.split(":");
const listener = Deno.listen({ hostname, port: Number(port) });
const response = new TextEncoder().encode(
"HTTP/1.1 200 OK\r\nContent-Length: 12\r\n\r\nHello World\n",
);
async function handle(conn: Deno.Conn): Promise<void> {
const buffer = new Uint8Array(1024);
try {
while (true) {
const r = await conn.read(buffer);
if (r === null) {
break;
}
await conn.write(response);
}
} finally {
conn.close();
}
}
console.log("Listening on", addr);
for await (const conn of listener) {
handle(conn);
}