+74
-2
lines changedFilter options
+74
-2
lines changed Original file line number Diff line number Diff line change
@@ -6,7 +6,7 @@ const {
6 6
} = primordials;
7 7 8 8
const { setUnrefTimeout } = require('internal/timers');
9 -
const { trace, isTraceCategoryEnabled } = internalBinding('trace_events');
9 +
const { getCategoryEnabledBuffer, trace } = internalBinding('trace_events');
10 10
const {
11 11
CHAR_LOWERCASE_B,
12 12
CHAR_LOWERCASE_E,
@@ -35,8 +35,10 @@ function getNextTraceEventId() {
35 35
return ++traceEventId;
36 36
}
37 37 38 +
const httpEnabled = getCategoryEnabledBuffer('node.http');
39 + 38 40
function isTraceHTTPEnabled() {
39 -
return isTraceCategoryEnabled('node.http');
41 +
return httpEnabled[0] > 0;
40 42
}
41 43 42 44
const traceEventCategory = 'node,node.http';
@@ -16,6 +16,8 @@ namespace node {
16 16
class ExternalReferenceRegistry;
17 17 18 18
using v8::Array;
19 +
using v8::ArrayBuffer;
20 +
using v8::BackingStore;
19 21
using v8::Context;
20 22
using v8::Function;
21 23
using v8::FunctionCallbackInfo;
@@ -25,6 +27,7 @@ using v8::Local;
25 27
using v8::NewStringType;
26 28
using v8::Object;
27 29
using v8::String;
30 +
using v8::Uint8Array;
28 31
using v8::Value;
29 32 30 33
class NodeCategorySet : public BaseObject {
@@ -120,6 +123,27 @@ static void SetTraceCategoryStateUpdateHandler(
120 123
env->set_trace_category_state_function(args[0].As<Function>());
121 124
}
122 125 126 +
static void GetCategoryEnabledBuffer(const FunctionCallbackInfo<Value>& args) {
127 +
CHECK(args[0]->IsString());
128 + 129 +
Isolate* isolate = args.GetIsolate();
130 +
node::Utf8Value category_name(isolate, args[0]);
131 + 132 +
const uint8_t* enabled_pointer =
133 +
TRACE_EVENT_API_GET_CATEGORY_GROUP_ENABLED(category_name.out());
134 +
uint8_t* enabled_pointer_cast = const_cast<uint8_t*>(enabled_pointer);
135 + 136 +
std::unique_ptr<BackingStore> bs = ArrayBuffer::NewBackingStore(
137 +
enabled_pointer_cast,
138 +
sizeof(*enabled_pointer_cast),
139 +
[](void*, size_t, void*) {},
140 +
nullptr);
141 +
auto ab = ArrayBuffer::New(isolate, std::move(bs));
142 +
v8::Local<Uint8Array> u8 = v8::Uint8Array::New(ab, 0, 1);
143 + 144 +
args.GetReturnValue().Set(u8);
145 +
}
146 + 123 147
void NodeCategorySet::Initialize(Local<Object> target,
124 148
Local<Value> unused,
125 149
Local<Context> context,
@@ -132,6 +156,8 @@ void NodeCategorySet::Initialize(Local<Object> target,
132 156
target,
133 157
"setTraceCategoryStateUpdateHandler",
134 158
SetTraceCategoryStateUpdateHandler);
159 +
SetMethod(
160 +
context, target, "getCategoryEnabledBuffer", GetCategoryEnabledBuffer);
135 161 136 162
Local<FunctionTemplate> category_set =
137 163
NewFunctionTemplate(isolate, NodeCategorySet::New);
@@ -160,6 +186,7 @@ void NodeCategorySet::RegisterExternalReferences(
160 186
ExternalReferenceRegistry* registry) {
161 187
registry->Register(GetEnabledCategories);
162 188
registry->Register(SetTraceCategoryStateUpdateHandler);
189 +
registry->Register(GetCategoryEnabledBuffer);
163 190
registry->Register(NodeCategorySet::New);
164 191
registry->Register(NodeCategorySet::Enable);
165 192
registry->Register(NodeCategorySet::Disable);
@@ -0,0 +1,43 @@
1 +
'use strict';
2 +
// Flags: --expose-internals
3 + 4 +
const common = require('../common');
5 +
const { it } = require('node:test');
6 + 7 +
try {
8 +
require('trace_events');
9 +
} catch {
10 +
common.skip('missing trace events');
11 +
}
12 + 13 +
const { createTracing, getEnabledCategories } = require('trace_events');
14 +
const assert = require('assert');
15 + 16 +
const binding = require('internal/test/binding');
17 +
const getCategoryEnabledBuffer = binding.internalBinding('trace_events').getCategoryEnabledBuffer;
18 + 19 +
it('should track enabled/disabled categories', () => {
20 +
const random = Math.random().toString().slice(2);
21 +
const category = `node.${random}`;
22 + 23 +
const buffer = getCategoryEnabledBuffer(category);
24 + 25 +
const tracing = createTracing({
26 +
categories: [category],
27 +
});
28 + 29 +
assert.ok(buffer[0] === 0, `the buffer[0] should start with value 0, got: ${buffer[0]}`);
30 + 31 +
tracing.enable();
32 + 33 +
let currentCategories = getEnabledCategories();
34 + 35 +
assert.ok(currentCategories.includes(category), `the getEnabledCategories should include ${category}, got: ${currentCategories}`);
36 +
assert.ok(buffer[0] > 0, `the buffer[0] should be greater than 0, got: ${buffer[0]}`);
37 + 38 +
tracing.disable();
39 + 40 +
currentCategories = getEnabledCategories();
41 +
assert.ok(currentCategories === undefined, `the getEnabledCategories should return undefined, got: ${currentCategories}`);
42 +
assert.ok(buffer[0] === 0, `the buffer[0] should be 0, got: ${buffer[0]}`);
43 +
});
You can’t perform that action at this time.
RetroSearch is an open source project built by @garambo | Open a GitHub Issue
Search and Browse the WWW like it's 1997 | Search results from DuckDuckGo
HTML:
3.2
| Encoding:
UTF-8
| Version:
0.7.4