diff options
author | Ryan Dahl <ry@tinyclouds.org> | 2019-10-09 17:10:09 -0400 |
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committer | Ryan Dahl <ry@tinyclouds.org> | 2019-10-09 17:10:09 -0400 |
commit | 151ce0266eb4de2c8fc600c81c192a5f791b6169 (patch) | |
tree | 7cb04016a1c7ee88adde83814548d7a9409dcde3 /std/ws/example_client.ts | |
parent | a355f7c807686918734416d91b79c26c21effba9 (diff) |
Move everything into std subdir
Diffstat (limited to 'std/ws/example_client.ts')
-rw-r--r-- | std/ws/example_client.ts | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/std/ws/example_client.ts b/std/ws/example_client.ts new file mode 100644 index 000000000..e3f2f355e --- /dev/null +++ b/std/ws/example_client.ts @@ -0,0 +1,58 @@ +import { + connectWebSocket, + isWebSocketCloseEvent, + isWebSocketPingEvent, + isWebSocketPongEvent +} from "../ws/mod.ts"; +import { encode } from "../strings/mod.ts"; +import { BufReader } from "../io/bufio.ts"; +import { TextProtoReader } from "../textproto/mod.ts"; +import { blue, green, red, yellow } from "../fmt/colors.ts"; + +const endpoint = Deno.args[1] || "ws://127.0.0.1:8080"; +/** simple websocket cli */ +async function main(): Promise<void> { + const sock = await connectWebSocket(endpoint); + console.log(green("ws connected! (type 'close' to quit)")); + (async function(): Promise<void> { + for await (const msg of sock.receive()) { + if (typeof msg === "string") { + console.log(yellow("< " + msg)); + } else if (isWebSocketPingEvent(msg)) { + console.log(blue("< ping")); + } else if (isWebSocketPongEvent(msg)) { + console.log(blue("< pong")); + } else if (isWebSocketCloseEvent(msg)) { + console.log(red(`closed: code=${msg.code}, reason=${msg.reason}`)); + } + } + })(); + const tpr = new TextProtoReader(new BufReader(Deno.stdin)); + while (true) { + await Deno.stdout.write(encode("> ")); + const [line, err] = await tpr.readLine(); + if (err) { + console.error(red(`failed to read line from stdin: ${err}`)); + break; + } + if (line === "close") { + break; + } else if (line === "ping") { + await sock.ping(); + } else { + await sock.send(line); + } + // FIXME: Without this, + // sock.receive() won't resolved though it is readable... + await new Promise((resolve): void => { + setTimeout(resolve, 0); + }); + } + await sock.close(1000); + // FIXME: conn.close() won't shutdown process... + Deno.exit(0); +} + +if (import.meta.main) { + main(); +} |