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
|
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
use crate::web_worker::WebWorkerHandle;
use crate::worker::WorkerEvent;
use futures::channel::mpsc;
pub fn init(
rt: &mut deno_core::JsRuntime,
sender: mpsc::Sender<WorkerEvent>,
handle: WebWorkerHandle,
) {
// Post message to host as guest worker.
let sender_ = sender.clone();
super::reg_json_sync(
rt,
"op_worker_post_message",
move |_state, _args, bufs| {
assert_eq!(bufs.len(), 1, "Invalid number of arguments");
let msg_buf: Box<[u8]> = (*bufs[0]).into();
sender_
.clone()
.try_send(WorkerEvent::Message(msg_buf))
.expect("Failed to post message to host");
Ok(json!({}))
},
);
// Notify host that guest worker closes.
super::reg_json_sync(rt, "op_worker_close", move |_state, _args, _bufs| {
// Notify parent that we're finished
sender.clone().close_channel();
// Terminate execution of current worker
handle.terminate();
Ok(json!({}))
});
}
|
