2020-01-02 15:13:47 -05:00
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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
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2020-09-05 20:34:02 -04:00
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2020-02-08 14:34:31 -05:00
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use crate::state::State;
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2020-08-25 18:22:15 -04:00
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use deno_core::ErrBox;
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2020-09-05 20:34:02 -04:00
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use deno_core::OpRegistry;
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2020-04-23 05:51:07 -04:00
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use deno_core::ZeroCopyBuf;
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2019-08-14 11:03:02 -04:00
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use rand::thread_rng;
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use rand::Rng;
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2020-09-05 20:34:02 -04:00
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use serde_json::Value;
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2020-08-18 12:30:13 -04:00
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use std::rc::Rc;
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2019-08-14 11:03:02 -04:00
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2020-09-05 20:34:02 -04:00
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pub fn init(s: &Rc<State>) {
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s.register_op_json_sync("op_get_random_values", op_get_random_values);
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2019-10-11 14:41:54 -04:00
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}
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fn op_get_random_values(
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state: &State,
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2019-08-26 08:50:21 -04:00
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_args: Value,
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2020-06-01 14:20:47 -04:00
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zero_copy: &mut [ZeroCopyBuf],
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) -> Result<Value, ErrBox> {
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2020-06-01 14:20:47 -04:00
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assert_eq!(zero_copy.len(), 1);
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2019-08-26 08:50:21 -04:00
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2020-08-18 12:30:13 -04:00
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if let Some(seeded_rng) = &state.seeded_rng {
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seeded_rng.borrow_mut().fill(&mut *zero_copy[0]);
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2019-08-14 11:03:02 -04:00
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} else {
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let mut rng = thread_rng();
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2020-06-01 14:20:47 -04:00
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rng.fill(&mut *zero_copy[0]);
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2019-08-14 11:03:02 -04:00
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}
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2020-08-28 11:08:24 -04:00
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Ok(json!({}))
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2019-08-14 11:03:02 -04:00
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}
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