mirror of
https://github.com/denoland/deno
synced 2024-08-27 20:09:17 +00:00
165 lines
4.3 KiB
Rust
165 lines
4.3 KiB
Rust
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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use std::sync::atomic::AtomicUsize;
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use std::sync::atomic::Ordering;
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use std::time;
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use deno_core::error::generic_error;
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use deno_core::error::AnyError;
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use deno_core::op2;
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use deno_core::serde_v8;
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use deno_core::v8;
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use deno_core::ModuleSpecifier;
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use deno_core::OpState;
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use deno_runtime::permissions::create_child_permissions;
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use deno_runtime::permissions::ChildPermissionsArg;
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use deno_runtime::permissions::PermissionsContainer;
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use serde::Deserialize;
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use serde::Serialize;
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use tokio::sync::mpsc::UnboundedSender;
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use uuid::Uuid;
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use crate::tools::bench::BenchDescription;
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use crate::tools::bench::BenchEvent;
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#[derive(Default)]
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pub(crate) struct BenchContainer(
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pub Vec<(BenchDescription, v8::Global<v8::Function>)>,
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);
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deno_core::extension!(deno_bench,
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ops = [
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op_pledge_test_permissions,
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op_restore_test_permissions,
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op_register_bench,
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op_dispatch_bench_event,
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op_bench_now,
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],
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options = {
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sender: UnboundedSender<BenchEvent>,
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},
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state = |state, options| {
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state.put(options.sender);
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state.put(BenchContainer::default());
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},
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);
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#[derive(Clone)]
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struct PermissionsHolder(Uuid, PermissionsContainer);
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#[op2]
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#[serde]
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pub fn op_pledge_test_permissions(
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state: &mut OpState,
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#[serde] args: ChildPermissionsArg,
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) -> Result<Uuid, AnyError> {
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let token = Uuid::new_v4();
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let parent_permissions = state.borrow_mut::<PermissionsContainer>();
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let worker_permissions = {
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let mut parent_permissions = parent_permissions.0.lock();
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let perms = create_child_permissions(&mut parent_permissions, args)?;
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PermissionsContainer::new(perms)
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};
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let parent_permissions = parent_permissions.clone();
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if state.try_take::<PermissionsHolder>().is_some() {
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panic!("pledge test permissions called before restoring previous pledge");
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}
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state.put::<PermissionsHolder>(PermissionsHolder(token, parent_permissions));
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// NOTE: This call overrides current permission set for the worker
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state.put::<PermissionsContainer>(worker_permissions);
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Ok(token)
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}
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#[op2]
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pub fn op_restore_test_permissions(
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state: &mut OpState,
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#[serde] token: Uuid,
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) -> Result<(), AnyError> {
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if let Some(permissions_holder) = state.try_take::<PermissionsHolder>() {
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if token != permissions_holder.0 {
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panic!("restore test permissions token does not match the stored token");
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}
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let permissions = permissions_holder.1;
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state.put::<PermissionsContainer>(permissions);
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Ok(())
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} else {
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Err(generic_error("no permissions to restore"))
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}
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}
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#[derive(Deserialize)]
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#[serde(rename_all = "camelCase")]
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struct BenchInfo<'s> {
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#[serde(rename = "fn")]
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function: serde_v8::Value<'s>,
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name: String,
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baseline: bool,
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group: Option<String>,
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ignore: bool,
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only: bool,
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#[serde(default)]
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warmup: bool,
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}
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#[derive(Debug, Serialize)]
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#[serde(rename_all = "camelCase")]
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struct BenchRegisterResult {
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id: usize,
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origin: String,
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}
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static NEXT_ID: AtomicUsize = AtomicUsize::new(0);
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#[op2]
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#[serde]
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fn op_register_bench<'a>(
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scope: &mut v8::HandleScope<'a>,
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state: &mut OpState,
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#[serde] info: BenchInfo<'a>,
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) -> Result<BenchRegisterResult, AnyError> {
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let id = NEXT_ID.fetch_add(1, Ordering::SeqCst);
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let origin = state.borrow::<ModuleSpecifier>().to_string();
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let description = BenchDescription {
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id,
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name: info.name,
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origin: origin.clone(),
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baseline: info.baseline,
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group: info.group,
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ignore: info.ignore,
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only: info.only,
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warmup: info.warmup,
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};
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let function: v8::Local<v8::Function> = info.function.v8_value.try_into()?;
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let function = v8::Global::new(scope, function);
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state
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.borrow_mut::<BenchContainer>()
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.0
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.push((description.clone(), function));
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let sender = state.borrow::<UnboundedSender<BenchEvent>>().clone();
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sender.send(BenchEvent::Register(description)).ok();
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Ok(BenchRegisterResult { id, origin })
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}
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#[op2]
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fn op_dispatch_bench_event(state: &mut OpState, #[serde] event: BenchEvent) {
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assert!(
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matches!(event, BenchEvent::Output(_)),
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"Only output events are expected from JS."
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);
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let sender = state.borrow::<UnboundedSender<BenchEvent>>().clone();
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sender.send(event).ok();
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}
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#[op2(fast)]
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#[number]
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fn op_bench_now(state: &mut OpState) -> Result<u64, AnyError> {
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let ns = state.borrow::<time::Instant>().elapsed().as_nanos();
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let ns_u64 = u64::try_from(ns)?;
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Ok(ns_u64)
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}
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