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// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
use deno_core::plugin_api::Interface;
use deno_core::plugin_api::Op;
use deno_core::plugin_api::OpResponse;
use deno_core::plugin_api::ZeroCopyBuf;
use futures::future::FutureExt;
#[no_mangle]
pub fn deno_plugin_init(interface: &mut dyn Interface) {
interface.register_op("testSync", op_test_sync);
interface.register_op("testAsync", op_test_async);
}
fn op_test_sync(
_interface: &mut dyn Interface,
zero_copy: Option<ZeroCopyBuf>,
) -> Op {
if zero_copy.is_some() {
println!("Hello from plugin.");
}
if let Some(buf) = zero_copy {
let buf_str = std::str::from_utf8(&buf[..]).unwrap();
println!("zero_copy: {}", buf_str);
}
let result = b"test";
let result_box: Box<[u8]> = Box::new(*result);
Op::Sync(OpResponse::Buffer(result_box))
}
fn op_test_async(
_interface: &mut dyn Interface,
zero_copy: Option<ZeroCopyBuf>,
) -> Op {
if zero_copy.is_some() {
println!("Hello from plugin.");
}
let fut = async move {
if let Some(buf) = zero_copy {
let buf_str = std::str::from_utf8(&buf[..]).unwrap();
println!("zero_copy: {}", buf_str);
}
let (tx, rx) = futures::channel::oneshot::channel::<Result<(), ()>>();
std::thread::spawn(move || {
std::thread::sleep(std::time::Duration::from_secs(1));
tx.send(Ok(())).unwrap();
});
assert!(rx.await.is_ok());
let result = b"test";
let result_box: Box<[u8]> = Box::new(*result);
(0, OpResponse::Buffer(result_box))
};
Op::Async(fut.boxed())
}
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