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// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
// This is not a real HTTP server. We read blindly one time into 'requestBuf',
// then write this fixed 'responseBuf'. The point of this benchmark is to
// exercise the event loop in a simple yet semi-realistic way.
const requestBuf = new Uint8Array(64 * 1024);
const responseBuf = new Uint8Array(
"HTTP/1.1 200 OK\r\nContent-Length: 12\r\n\r\nHello World\n"
.split("")
.map((c) => c.charCodeAt(0)),
);
/** Listens on 0.0.0.0:4500, returns rid. */
function listen() {
return Deno.core.opSync("listen");
}
/** Accepts a connection, returns rid. */
function accept(serverRid) {
return Deno.core.opAsync("accept", serverRid);
}
async function serve(rid) {
try {
while (true) {
await Deno.core.read(rid, requestBuf);
await Deno.core.write(rid, responseBuf);
}
} catch (e) {
if (
!e.message.includes("Broken pipe") &&
!e.message.includes("Connection reset by peer")
) {
throw e;
}
}
Deno.core.close(rid);
}
async function main() {
const listenerRid = listen();
Deno.core.print(`http_bench_ops listening on http://127.0.0.1:4544/\n`);
while (true) {
const rid = await accept(listenerRid);
serve(rid);
}
}
main();
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