1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
use std::sync::atomic::AtomicUsize;
use std::sync::atomic::Ordering;
use std::time;
use deno_core::error::generic_error;
use deno_core::error::AnyError;
use deno_core::op;
use deno_core::serde_v8;
use deno_core::v8;
use deno_core::ModuleSpecifier;
use deno_core::OpState;
use deno_runtime::permissions::create_child_permissions;
use deno_runtime::permissions::ChildPermissionsArg;
use deno_runtime::permissions::PermissionsContainer;
use serde::Deserialize;
use serde::Serialize;
use tokio::sync::mpsc::UnboundedSender;
use uuid::Uuid;
use crate::tools::bench::BenchDescription;
use crate::tools::bench::BenchEvent;
#[derive(Default)]
pub(crate) struct BenchContainer(
pub Vec<(BenchDescription, v8::Global<v8::Function>)>,
);
deno_core::extension!(deno_bench,
ops = [
op_pledge_test_permissions,
op_restore_test_permissions,
op_register_bench,
op_dispatch_bench_event,
op_bench_now,
],
options = {
sender: UnboundedSender<BenchEvent>,
},
state = |state, options| {
state.put(options.sender);
state.put(BenchContainer::default());
},
);
#[derive(Clone)]
struct PermissionsHolder(Uuid, PermissionsContainer);
#[op]
pub fn op_pledge_test_permissions(
state: &mut OpState,
args: ChildPermissionsArg,
) -> Result<Uuid, AnyError> {
let token = Uuid::new_v4();
let parent_permissions = state.borrow_mut::<PermissionsContainer>();
let worker_permissions = {
let mut parent_permissions = parent_permissions.0.lock();
let perms = create_child_permissions(&mut parent_permissions, args)?;
PermissionsContainer::new(perms)
};
let parent_permissions = parent_permissions.clone();
if state.try_take::<PermissionsHolder>().is_some() {
panic!("pledge test permissions called before restoring previous pledge");
}
state.put::<PermissionsHolder>(PermissionsHolder(token, parent_permissions));
// NOTE: This call overrides current permission set for the worker
state.put::<PermissionsContainer>(worker_permissions);
Ok(token)
}
#[op]
pub fn op_restore_test_permissions(
state: &mut OpState,
token: Uuid,
) -> Result<(), AnyError> {
if let Some(permissions_holder) = state.try_take::<PermissionsHolder>() {
if token != permissions_holder.0 {
panic!("restore test permissions token does not match the stored token");
}
let permissions = permissions_holder.1;
state.put::<PermissionsContainer>(permissions);
Ok(())
} else {
Err(generic_error("no permissions to restore"))
}
}
#[derive(Deserialize)]
#[serde(rename_all = "camelCase")]
struct BenchInfo<'s> {
#[serde(rename = "fn")]
function: serde_v8::Value<'s>,
name: String,
baseline: bool,
group: Option<String>,
ignore: bool,
only: bool,
#[serde(default)]
warmup: bool,
}
#[derive(Debug, Serialize)]
#[serde(rename_all = "camelCase")]
struct BenchRegisterResult {
id: usize,
origin: String,
}
static NEXT_ID: AtomicUsize = AtomicUsize::new(0);
#[op(v8)]
fn op_register_bench<'a>(
scope: &mut v8::HandleScope<'a>,
state: &mut OpState,
info: BenchInfo<'a>,
) -> Result<BenchRegisterResult, AnyError> {
let id = NEXT_ID.fetch_add(1, Ordering::SeqCst);
let origin = state.borrow::<ModuleSpecifier>().to_string();
let description = BenchDescription {
id,
name: info.name,
origin: origin.clone(),
baseline: info.baseline,
group: info.group,
ignore: info.ignore,
only: info.only,
warmup: info.warmup,
};
let function: v8::Local<v8::Function> = info.function.v8_value.try_into()?;
let function = v8::Global::new(scope, function);
state
.borrow_mut::<BenchContainer>()
.0
.push((description.clone(), function));
let sender = state.borrow::<UnboundedSender<BenchEvent>>().clone();
sender.send(BenchEvent::Register(description)).ok();
Ok(BenchRegisterResult { id, origin })
}
#[op]
fn op_dispatch_bench_event(state: &mut OpState, event: BenchEvent) {
assert!(
matches!(event, BenchEvent::Output(_)),
"Only output events are expected from JS."
);
let sender = state.borrow::<UnboundedSender<BenchEvent>>().clone();
sender.send(event).ok();
}
#[op]
fn op_bench_now(state: &mut OpState) -> Result<u64, AnyError> {
let ns = state.borrow::<time::Instant>().elapsed().as_nanos();
let ns_u64 = u64::try_from(ns)?;
Ok(ns_u64)
}
|
