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Diffstat (limited to 'std/ws/example_server.ts')
m--------- | std | 0 | ||||
-rw-r--r-- | std/ws/example_server.ts | 66 |
2 files changed, 66 insertions, 0 deletions
diff --git a/std b/std deleted file mode 160000 -Subproject 43aafbf33285753e7b42230f0eb7969b300f71c diff --git a/std/ws/example_server.ts b/std/ws/example_server.ts new file mode 100644 index 000000000..cd51ff94c --- /dev/null +++ b/std/ws/example_server.ts @@ -0,0 +1,66 @@ +// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license. +import { serve } from "../http/server.ts"; +import { + acceptWebSocket, + isWebSocketCloseEvent, + isWebSocketPingEvent, + WebSocket +} from "./mod.ts"; + +/** websocket echo server */ +const port = Deno.args[1] || "8080"; +async function main(): Promise<void> { + console.log(`websocket server is running on :${port}`); + for await (const req of serve(`:${port}`)) { + const { headers, conn } = req; + acceptWebSocket({ + conn, + headers, + bufReader: req.r, + bufWriter: req.w + }) + .then( + async (sock: WebSocket): Promise<void> => { + console.log("socket connected!"); + const it = sock.receive(); + while (true) { + try { + const { done, value } = await it.next(); + if (done) { + break; + } + const ev = value; + 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 (e) { + console.error(`failed to receive frame: ${e}`); + await sock.close(1000).catch(console.error); + } + } + } + ) + .catch( + (err: Error): void => { + console.error(`failed to accept websocket: ${err}`); + } + ); + } +} + +if (import.meta.main) { + main(); +} |