1 |
|
|
#include "base_object-inl.h" |
2 |
|
|
#include "env-inl.h" |
3 |
|
|
#include "memory_tracker-inl.h" |
4 |
|
|
#include "node.h" |
5 |
|
|
#include "node_internals.h" |
6 |
|
|
#include "node_v8_platform-inl.h" |
7 |
|
|
#include "tracing/agent.h" |
8 |
|
|
#include "util-inl.h" |
9 |
|
|
|
10 |
|
|
#include <set> |
11 |
|
|
#include <string> |
12 |
|
|
|
13 |
|
|
namespace node { |
14 |
|
|
|
15 |
|
|
using v8::Array; |
16 |
|
|
using v8::Context; |
17 |
|
|
using v8::Function; |
18 |
|
|
using v8::FunctionCallbackInfo; |
19 |
|
|
using v8::FunctionTemplate; |
20 |
|
|
using v8::Local; |
21 |
|
|
using v8::NewStringType; |
22 |
|
|
using v8::Object; |
23 |
|
|
using v8::String; |
24 |
|
|
using v8::Value; |
25 |
|
|
|
26 |
✗✓ |
38 |
class NodeCategorySet : public BaseObject { |
27 |
|
|
public: |
28 |
|
|
static void Initialize(Local<Object> target, |
29 |
|
|
Local<Value> unused, |
30 |
|
|
Local<Context> context, |
31 |
|
|
void* priv); |
32 |
|
|
|
33 |
|
|
static void New(const FunctionCallbackInfo<Value>& args); |
34 |
|
|
static void Enable(const FunctionCallbackInfo<Value>& args); |
35 |
|
|
static void Disable(const FunctionCallbackInfo<Value>& args); |
36 |
|
|
|
37 |
|
26 |
const std::set<std::string>& GetCategories() const { return categories_; } |
38 |
|
|
|
39 |
|
|
void MemoryInfo(MemoryTracker* tracker) const override { |
40 |
|
|
tracker->TrackField("categories", categories_); |
41 |
|
|
} |
42 |
|
|
|
43 |
|
|
SET_MEMORY_INFO_NAME(NodeCategorySet) |
44 |
|
|
SET_SELF_SIZE(NodeCategorySet) |
45 |
|
|
|
46 |
|
|
private: |
47 |
|
19 |
NodeCategorySet(Environment* env, |
48 |
|
|
Local<Object> wrap, |
49 |
|
|
std::set<std::string>&& categories) : |
50 |
|
19 |
BaseObject(env, wrap), categories_(std::move(categories)) { |
51 |
|
19 |
MakeWeak(); |
52 |
|
19 |
} |
53 |
|
|
|
54 |
|
|
bool enabled_ = false; |
55 |
|
|
const std::set<std::string> categories_; |
56 |
|
|
}; |
57 |
|
|
|
58 |
|
19 |
void NodeCategorySet::New(const FunctionCallbackInfo<Value>& args) { |
59 |
|
19 |
Environment* env = Environment::GetCurrent(args); |
60 |
|
19 |
std::set<std::string> categories; |
61 |
✗✓ |
38 |
CHECK(args[0]->IsArray()); |
62 |
|
38 |
Local<Array> cats = args[0].As<Array>(); |
63 |
✓✓ |
76 |
for (size_t n = 0; n < cats->Length(); n++) { |
64 |
|
|
Local<Value> category; |
65 |
✗✓ |
57 |
if (!cats->Get(env->context(), n).ToLocal(&category)) return; |
66 |
|
19 |
Utf8Value val(env->isolate(), category); |
67 |
✗✓ |
19 |
if (!*val) return; |
68 |
✓✗ |
19 |
categories.emplace(*val); |
69 |
|
19 |
} |
70 |
✗✓ |
19 |
CHECK_NOT_NULL(GetTracingAgentWriter()); |
71 |
✓✗ |
19 |
new NodeCategorySet(env, args.This(), std::move(categories)); |
72 |
|
|
} |
73 |
|
|
|
74 |
|
20 |
void NodeCategorySet::Enable(const FunctionCallbackInfo<Value>& args) { |
75 |
|
|
NodeCategorySet* category_set; |
76 |
✗✓ |
40 |
ASSIGN_OR_RETURN_UNWRAP(&category_set, args.Holder()); |
77 |
✗✓ |
20 |
CHECK_NOT_NULL(category_set); |
78 |
|
20 |
const auto& categories = category_set->GetCategories(); |
79 |
✓✗✓✗ ✓✗ |
20 |
if (!category_set->enabled_ && !categories.empty()) { |
80 |
|
|
// Starts the Tracing Agent if it wasn't started already (e.g. through |
81 |
|
|
// a command line flag.) |
82 |
|
20 |
StartTracingAgent(); |
83 |
|
20 |
GetTracingAgentWriter()->Enable(categories); |
84 |
|
20 |
category_set->enabled_ = true; |
85 |
|
|
} |
86 |
|
|
} |
87 |
|
|
|
88 |
|
6 |
void NodeCategorySet::Disable(const FunctionCallbackInfo<Value>& args) { |
89 |
|
|
NodeCategorySet* category_set; |
90 |
✗✓ |
12 |
ASSIGN_OR_RETURN_UNWRAP(&category_set, args.Holder()); |
91 |
✗✓ |
6 |
CHECK_NOT_NULL(category_set); |
92 |
|
6 |
const auto& categories = category_set->GetCategories(); |
93 |
✓✗✓✗ ✓✗ |
6 |
if (category_set->enabled_ && !categories.empty()) { |
94 |
|
6 |
GetTracingAgentWriter()->Disable(categories); |
95 |
|
6 |
category_set->enabled_ = false; |
96 |
|
|
} |
97 |
|
|
} |
98 |
|
|
|
99 |
|
17 |
void GetEnabledCategories(const FunctionCallbackInfo<Value>& args) { |
100 |
|
17 |
Environment* env = Environment::GetCurrent(args); |
101 |
|
|
std::string categories = |
102 |
|
17 |
GetTracingAgentWriter()->agent()->GetEnabledCategories(); |
103 |
✓✓ |
17 |
if (!categories.empty()) { |
104 |
|
|
args.GetReturnValue().Set( |
105 |
|
|
String::NewFromUtf8(env->isolate(), |
106 |
|
|
categories.c_str(), |
107 |
|
|
NewStringType::kNormal, |
108 |
|
33 |
categories.size()).ToLocalChecked()); |
109 |
|
17 |
} |
110 |
|
17 |
} |
111 |
|
|
|
112 |
|
5098 |
static void SetTraceCategoryStateUpdateHandler( |
113 |
|
|
const FunctionCallbackInfo<Value>& args) { |
114 |
|
5098 |
Environment* env = Environment::GetCurrent(args); |
115 |
✗✓ |
10196 |
CHECK(args[0]->IsFunction()); |
116 |
|
10196 |
env->set_trace_category_state_function(args[0].As<Function>()); |
117 |
|
5098 |
} |
118 |
|
|
|
119 |
|
5099 |
void NodeCategorySet::Initialize(Local<Object> target, |
120 |
|
|
Local<Value> unused, |
121 |
|
|
Local<Context> context, |
122 |
|
|
void* priv) { |
123 |
|
5099 |
Environment* env = Environment::GetCurrent(context); |
124 |
|
|
|
125 |
|
5099 |
env->SetMethod(target, "getEnabledCategories", GetEnabledCategories); |
126 |
|
|
env->SetMethod( |
127 |
|
|
target, "setTraceCategoryStateUpdateHandler", |
128 |
|
5099 |
SetTraceCategoryStateUpdateHandler); |
129 |
|
|
|
130 |
|
|
Local<FunctionTemplate> category_set = |
131 |
|
5099 |
env->NewFunctionTemplate(NodeCategorySet::New); |
132 |
|
10198 |
category_set->InstanceTemplate()->SetInternalFieldCount(1); |
133 |
|
5099 |
env->SetProtoMethod(category_set, "enable", NodeCategorySet::Enable); |
134 |
|
5099 |
env->SetProtoMethod(category_set, "disable", NodeCategorySet::Disable); |
135 |
|
|
|
136 |
|
|
target->Set(env->context(), |
137 |
|
|
FIXED_ONE_BYTE_STRING(env->isolate(), "CategorySet"), |
138 |
|
30594 |
category_set->GetFunction(env->context()).ToLocalChecked()) |
139 |
|
10198 |
.Check(); |
140 |
|
|
|
141 |
|
|
Local<String> isTraceCategoryEnabled = |
142 |
|
5099 |
FIXED_ONE_BYTE_STRING(env->isolate(), "isTraceCategoryEnabled"); |
143 |
|
5099 |
Local<String> trace = FIXED_ONE_BYTE_STRING(env->isolate(), "trace"); |
144 |
|
|
|
145 |
|
|
// Grab the trace and isTraceCategoryEnabled intrinsics from the binding |
146 |
|
|
// object and expose those to our binding layer. |
147 |
|
5099 |
Local<Object> binding = context->GetExtrasBindingObject(); |
148 |
|
|
target->Set(context, isTraceCategoryEnabled, |
149 |
|
15297 |
binding->Get(context, isTraceCategoryEnabled).ToLocalChecked()) |
150 |
|
10198 |
.Check(); |
151 |
|
|
target->Set(context, trace, |
152 |
|
15297 |
binding->Get(context, trace).ToLocalChecked()).Check(); |
153 |
|
5099 |
} |
154 |
|
|
|
155 |
|
|
} // namespace node |
156 |
|
|
|
157 |
|
4951 |
NODE_MODULE_CONTEXT_AWARE_INTERNAL(trace_events, |
158 |
|
|
node::NodeCategorySet::Initialize) |