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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 */
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);
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