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Diffstat (limited to 'src/inspector_profiler.h')
-rw-r--r-- | src/inspector_profiler.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/src/inspector_profiler.h b/src/inspector_profiler.h new file mode 100644 index 0000000000..43a8d54163 --- /dev/null +++ b/src/inspector_profiler.h @@ -0,0 +1,75 @@ +#ifndef SRC_INSPECTOR_PROFILER_H_ +#define SRC_INSPECTOR_PROFILER_H_ + +#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS + +#if !HAVE_INSPECTOR +#error("This header can only be used when inspector is enabled") +#endif + +#include "env.h" +#include "inspector_agent.h" + +namespace node { +// Forward declaration to break recursive dependency chain with src/env.h. +class Environment; + +namespace profiler { + +class V8ProfilerConnection { + public: + class V8ProfilerSessionDelegate : public inspector::InspectorSessionDelegate { + public: + explicit V8ProfilerSessionDelegate(V8ProfilerConnection* connection) + : connection_(connection) {} + + void SendMessageToFrontend( + const v8_inspector::StringView& message) override { + connection_->OnMessage(message); + } + + private: + V8ProfilerConnection* connection_; + }; + + explicit V8ProfilerConnection(Environment* env); + virtual ~V8ProfilerConnection() = default; + Environment* env() { return env_; } + + // Use DispatchMessage() to dispatch necessary inspector messages + virtual void Start() = 0; + virtual void End() = 0; + // Override this to respond to the messages sent from the session. + virtual void OnMessage(const v8_inspector::StringView& message) = 0; + virtual bool ending() const = 0; + + void DispatchMessage(v8::Local<v8::String> message); + // Write the result to a path + bool WriteResult(const char* path, v8::Local<v8::String> result); + + private: + std::unique_ptr<inspector::InspectorSession> session_; + Environment* env_ = nullptr; +}; + +class V8CoverageConnection : public V8ProfilerConnection { + public: + explicit V8CoverageConnection(Environment* env) : V8ProfilerConnection(env) {} + + void Start() override; + void End() override; + void OnMessage(const v8_inspector::StringView& message) override; + bool ending() const override { return ending_; } + + private: + bool WriteCoverage(v8::Local<v8::String> message); + v8::MaybeLocal<v8::String> GetResult(v8::Local<v8::String> message); + std::unique_ptr<inspector::InspectorSession> session_; + bool ending_ = false; +}; + +} // namespace profiler +} // namespace node + +#endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS +#endif // SRC_INSPECTOR_PROFILER_H_ |