deno.land / std@0.95.0 / ws / example_server.ts

example_server.ts
View Documentation
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.import { serve } from "../http/server.ts";import { acceptWebSocket, isWebSocketCloseEvent, isWebSocketPingEvent, WebSocket,} from "./mod.ts";
async function handleWs(sock: WebSocket) { console.log("socket connected!"); try { for await (const ev of sock) { if (typeof ev === "string") { // text message console.log("ws:Text", ev); await sock.send(ev); } else if (ev instanceof Uint8Array) { // binary message console.log("ws:Binary", ev); } else if (isWebSocketPingEvent(ev)) { const [, body] = ev; // ping console.log("ws:Ping", body); } else if (isWebSocketCloseEvent(ev)) { // close const { code, reason } = ev; console.log("ws:Close", code, reason); } } } catch (err) { console.error(`failed to receive frame: ${err}`);
if (!sock.isClosed) { await sock.close(1000).catch(console.error); } }}
if (import.meta.main) { /** websocket echo server */ const port = Deno.args[0] || "8080"; console.log(`websocket server is running on :${port}`); for await (const req of serve(`:${port}`)) { const { conn, r: bufReader, w: bufWriter, headers } = req; acceptWebSocket({ conn, bufReader, bufWriter, headers, }) .then(handleWs) .catch(async (e) => { console.error(`failed to accept websocket: ${e}`); await req.respond({ status: 400 }); }); }}
std
Deno standard library
GitHub Repositorydenoland/deno_std
GitHub Stars
2121

Version Info

Tagged at
a year ago

External Dependencies

No external dependencies 🎉