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authorRyan Dahl <ry@tinyclouds.org>2019-10-09 17:10:09 -0400
committerRyan Dahl <ry@tinyclouds.org>2019-10-09 17:10:09 -0400
commit151ce0266eb4de2c8fc600c81c192a5f791b6169 (patch)
tree7cb04016a1c7ee88adde83814548d7a9409dcde3 /std/ws/example_client.ts
parenta355f7c807686918734416d91b79c26c21effba9 (diff)
Move everything into std subdir
Diffstat (limited to 'std/ws/example_client.ts')
-rw-r--r--std/ws/example_client.ts58
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();
+}