mirror of
https://github.com/denoland/deno
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ecd1d3abb0
* cli::Worker is base struct to create specialized workers * add MainWorker * add CompilerWorker * refactor WebWorker to use Worker
67 lines
1.6 KiB
Rust
67 lines
1.6 KiB
Rust
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
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use crate::ops;
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use crate::state::ThreadSafeState;
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use crate::worker::Worker;
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use crate::worker::WorkerChannels;
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use deno_core;
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use deno_core::ErrBox;
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use deno_core::StartupData;
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use futures::future::FutureExt;
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use std::future::Future;
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use std::ops::Deref;
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use std::ops::DerefMut;
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use std::pin::Pin;
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use std::task::Context;
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use std::task::Poll;
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/// This worker is implementation of `Worker` Web API
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///
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/// At the moment this type of worker supports only
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/// communication with parent and creating new workers.
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///
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/// Each `WebWorker` is either a child of `MainWorker` or other
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/// `WebWorker`.
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#[derive(Clone)]
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pub struct WebWorker(Worker);
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impl WebWorker {
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pub fn new(
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name: String,
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startup_data: StartupData,
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state: ThreadSafeState,
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external_channels: WorkerChannels,
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) -> Self {
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let state_ = state.clone();
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let worker = Worker::new(name, startup_data, state_, external_channels);
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{
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let mut isolate = worker.isolate.try_lock().unwrap();
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ops::web_worker::init(&mut isolate, &state);
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ops::worker_host::init(&mut isolate, &state);
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}
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Self(worker)
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}
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}
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impl Deref for WebWorker {
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type Target = Worker;
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fn deref(&self) -> &Self::Target {
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&self.0
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}
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}
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impl DerefMut for WebWorker {
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fn deref_mut(&mut self) -> &mut Self::Target {
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&mut self.0
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}
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}
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impl Future for WebWorker {
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type Output = Result<(), ErrBox>;
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fn poll(self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
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let inner = self.get_mut();
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inner.0.poll_unpin(cx)
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}
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}
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