1 // Copyright 2016 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef V8_INSPECTOR_V8HEAPPROFILERAGENTIMPL_H_ 6 #define V8_INSPECTOR_V8HEAPPROFILERAGENTIMPL_H_ 7 8 #include "src/base/macros.h" 9 #include "src/inspector/protocol/Forward.h" 10 #include "src/inspector/protocol/HeapProfiler.h" 11 12 #include "include/v8.h" 13 14 namespace v8_inspector { 15 16 class V8InspectorSessionImpl; 17 18 using protocol::Maybe; 19 using protocol::Response; 20 21 class V8HeapProfilerAgentImpl : public protocol::HeapProfiler::Backend { 22 public: 23 V8HeapProfilerAgentImpl(V8InspectorSessionImpl*, protocol::FrontendChannel*, 24 protocol::DictionaryValue* state); 25 ~V8HeapProfilerAgentImpl() override; 26 void restore(); 27 28 Response collectGarbage() override; 29 30 Response enable() override; 31 Response startTrackingHeapObjects(Maybe<bool> trackAllocations) override; 32 Response stopTrackingHeapObjects(Maybe<bool> reportProgress) override; 33 34 Response disable() override; 35 36 Response takeHeapSnapshot(Maybe<bool> reportProgress) override; 37 38 Response getObjectByHeapObjectId( 39 const String16& heapSnapshotObjectId, Maybe<String16> objectGroup, 40 std::unique_ptr<protocol::Runtime::RemoteObject>* result) override; 41 Response addInspectedHeapObject( 42 const String16& inspectedHeapObjectId) override; 43 Response getHeapObjectId(const String16& objectId, 44 String16* heapSnapshotObjectId) override; 45 46 Response startSampling(Maybe<double> samplingInterval) override; 47 Response stopSampling( 48 std::unique_ptr<protocol::HeapProfiler::SamplingHeapProfile>*) override; 49 50 private: 51 void startTrackingHeapObjectsInternal(bool trackAllocations); 52 void stopTrackingHeapObjectsInternal(); 53 void requestHeapStatsUpdate(); 54 static void onTimer(void*); 55 56 V8InspectorSessionImpl* m_session; 57 v8::Isolate* m_isolate; 58 protocol::HeapProfiler::Frontend m_frontend; 59 protocol::DictionaryValue* m_state; 60 bool m_hasTimer; 61 62 DISALLOW_COPY_AND_ASSIGN(V8HeapProfilerAgentImpl); 63 }; 64 65 } // namespace v8_inspector 66 67 #endif // V8_INSPECTOR_V8HEAPPROFILERAGENTIMPL_H_ 68