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31 lines
921 B
TypeScript
31 lines
921 B
TypeScript
// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
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// Used for benchmarking Deno's tcp proxy performance.
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const addr = Deno.args[0] || "127.0.0.1:4500";
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const originAddr = Deno.args[1] || "127.0.0.1:4501";
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const [hostname, port] = addr.split(":");
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const [originHostname, originPort] = originAddr.split(":");
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const listener = Deno.listen({ hostname, port: Number(port) });
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async function handle(conn: Deno.Conn): Promise<void> {
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const origin = await Deno.connect({
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hostname: originHostname,
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port: Number(originPort),
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});
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try {
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await Promise.all([Deno.copy(conn, origin), Deno.copy(origin, conn)]);
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} catch (err) {
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if (err.message !== "read error" && err.message !== "write error") {
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throw err;
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}
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} finally {
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conn.close();
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origin.close();
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}
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}
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console.log(`Proxy listening on http://${addr}/`);
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for await (const conn of listener) {
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handle(conn);
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}
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