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denoland-deno/cli/ops/web_worker.rs
Bartek Iwańczuk 85a5a081b2
refactor(cli): reorganize main.rs and split workers (#8495)
Factored out "init_v8_flags", "init_logger" and 
"get_subcommand" from "main" function.

Also "Worker" was removed in favor of moving 
logic to "MainWorker" and "WebWorker" respectively.
2020-11-26 15:17:45 +01:00

37 lines
1.1 KiB
Rust

// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
use crate::web_worker::WebWorkerHandle;
use crate::web_worker::WorkerEvent;
use deno_core::futures::channel::mpsc;
use deno_core::serde_json::json;
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!({}))
});
}