mirror of
https://github.com/denoland/deno.git
synced 2024-11-23 15:16:54 -05:00
33 lines
810 B
Rust
33 lines
810 B
Rust
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
|
|
use super::dispatch_json::{JsonOp, Value};
|
|
use crate::op_error::OpError;
|
|
use crate::state::State;
|
|
use deno_core::CoreIsolate;
|
|
use deno_core::ZeroCopyBuf;
|
|
use rand::thread_rng;
|
|
use rand::Rng;
|
|
use std::rc::Rc;
|
|
|
|
pub fn init(i: &mut CoreIsolate, s: &Rc<State>) {
|
|
i.register_op(
|
|
"op_get_random_values",
|
|
s.stateful_json_op(op_get_random_values),
|
|
);
|
|
}
|
|
|
|
fn op_get_random_values(
|
|
state: &Rc<State>,
|
|
_args: Value,
|
|
zero_copy: &mut [ZeroCopyBuf],
|
|
) -> Result<JsonOp, OpError> {
|
|
assert_eq!(zero_copy.len(), 1);
|
|
|
|
if let Some(seeded_rng) = &state.seeded_rng {
|
|
seeded_rng.borrow_mut().fill(&mut *zero_copy[0]);
|
|
} else {
|
|
let mut rng = thread_rng();
|
|
rng.fill(&mut *zero_copy[0]);
|
|
}
|
|
|
|
Ok(JsonOp::Sync(json!({})))
|
|
}
|