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extern crate deno_core;
extern crate futures;
use deno_core::Buf;
use deno_core::Op;
use deno_core::ZeroCopyBuf;
use futures::future::FutureExt;
#[no_mangle]
pub fn deno_plugin_init(isolate: &mut deno_core::Isolate) {
isolate.register_op("testSync", op_test_sync);
isolate.register_op("testAsync", op_test_async);
}
pub fn op_test_sync(
_isolate: &mut deno_core::Isolate,
data: &[u8],
zero_copy: Option<ZeroCopyBuf>,
) -> Op {
if let Some(buf) = zero_copy {
let data_str = std::str::from_utf8(&data[..]).unwrap();
let buf_str = std::str::from_utf8(&buf[..]).unwrap();
println!(
"Hello from plugin. data: {} | zero_copy: {}",
data_str, buf_str
);
}
let result = b"test";
let result_box: Buf = Box::new(*result);
Op::Sync(result_box)
}
pub fn op_test_async(
_isolate: &mut deno_core::Isolate,
data: &[u8],
zero_copy: Option<ZeroCopyBuf>,
) -> Op {
let data_str = std::str::from_utf8(&data[..]).unwrap().to_string();
let fut = async move {
if let Some(buf) = zero_copy {
let buf_str = std::str::from_utf8(&buf[..]).unwrap();
println!(
"Hello from plugin. data: {} | zero_copy: {}",
data_str, 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: Buf = Box::new(*result);
result_box
};
Op::Async(fut.boxed())
}
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