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denoland-deno/tools/node_tcp_promise.js
2020-01-02 15:13:47 -05:00

25 lines
615 B
JavaScript

// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
// Note: this is a keep-alive server.
const { Server } = require("net");
const port = process.argv[2] || "4544";
console.log("port", port);
const response = Buffer.from(
"HTTP/1.1 200 OK\r\nContent-Length: 12\r\n\r\nHello World\n"
);
async function write(socket, buffer) {
const p = new Promise((resolve, _) => {
socket.write(buffer, resolve);
});
return p;
}
Server(async socket => {
socket.on("error", _ => {
socket.destroy();
});
for await (const _ of socket) {
write(socket, response);
}
}).listen(port);