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https://github.com/denoland/deno.git
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111 lines
2.9 KiB
Rust
111 lines
2.9 KiB
Rust
use crate::tools::bench::BenchEvent;
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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::op;
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use deno_core::Extension;
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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::Permissions;
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use std::time;
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use tokio::sync::mpsc::UnboundedSender;
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use uuid::Uuid;
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pub fn init(sender: UnboundedSender<BenchEvent>, unstable: bool) -> Extension {
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Extension::builder()
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.ops(vec![
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op_pledge_test_permissions::decl(),
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op_restore_test_permissions::decl(),
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op_get_bench_origin::decl(),
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op_dispatch_bench_event::decl(),
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op_bench_now::decl(),
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op_bench_check_unstable::decl(),
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])
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.state(move |state| {
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state.put(sender.clone());
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state.put(Unstable(unstable));
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Ok(())
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})
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.build()
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}
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pub struct Unstable(pub bool);
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fn check_unstable(state: &OpState, api_name: &str) {
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let unstable = state.borrow::<Unstable>();
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if !unstable.0 {
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eprintln!(
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"Unstable API '{}'. The --unstable flag must be provided.",
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api_name
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);
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std::process::exit(70);
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}
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}
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#[op]
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fn op_bench_check_unstable(state: &mut OpState) {
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check_unstable(state, "Deno.bench");
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}
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#[derive(Clone)]
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struct PermissionsHolder(Uuid, Permissions);
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#[op]
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pub fn op_pledge_test_permissions(
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state: &mut OpState,
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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::<Permissions>();
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let worker_permissions = create_child_permissions(parent_permissions, args)?;
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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::<Permissions>(worker_permissions);
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Ok(token)
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}
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#[op]
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pub fn op_restore_test_permissions(
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state: &mut OpState,
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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::<Permissions>(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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#[op]
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fn op_get_bench_origin(state: &mut OpState) -> String {
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state.borrow::<ModuleSpecifier>().to_string()
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}
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#[op]
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fn op_dispatch_bench_event(state: &mut OpState, event: BenchEvent) {
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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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#[op]
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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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