1 /* 2 * Copyright (C) 2013 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef InspectorHeapProfilerAgent_h 32 #define InspectorHeapProfilerAgent_h 33 34 #include "core/InspectorFrontend.h" 35 #include "core/inspector/InspectorBaseAgent.h" 36 #include "wtf/Forward.h" 37 #include "wtf/HashMap.h" 38 #include "wtf/Noncopyable.h" 39 #include "wtf/OwnPtr.h" 40 #include "wtf/PassOwnPtr.h" 41 #include "wtf/text/WTFString.h" 42 43 namespace blink { 44 45 class InjectedScriptManager; 46 class HeapStatsUpdateTask; 47 class ScriptHeapSnapshot; 48 49 typedef String ErrorString; 50 51 class InspectorHeapProfilerAgent FINAL : public InspectorBaseAgent<InspectorHeapProfilerAgent>, public InspectorBackendDispatcher::HeapProfilerCommandHandler { 52 WTF_MAKE_NONCOPYABLE(InspectorHeapProfilerAgent); 53 WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED; 54 public: 55 static PassOwnPtrWillBeRawPtr<InspectorHeapProfilerAgent> create(InjectedScriptManager*); 56 virtual ~InspectorHeapProfilerAgent(); 57 virtual void trace(Visitor*) OVERRIDE; 58 59 virtual void collectGarbage(ErrorString*) OVERRIDE; 60 61 virtual void enable(ErrorString*) OVERRIDE; 62 virtual void disable(ErrorString*) OVERRIDE; 63 virtual void startTrackingHeapObjects(ErrorString*, const bool* trackAllocations) OVERRIDE; 64 virtual void stopTrackingHeapObjects(ErrorString*, const bool* reportProgress) OVERRIDE; 65 66 virtual void setFrontend(InspectorFrontend*) OVERRIDE; 67 virtual void clearFrontend() OVERRIDE; 68 virtual void restore() OVERRIDE; 69 70 virtual void takeHeapSnapshot(ErrorString*, const bool* reportProgress) OVERRIDE; 71 72 virtual void getObjectByHeapObjectId(ErrorString*, const String& heapSnapshotObjectId, const String* objectGroup, RefPtr<TypeBuilder::Runtime::RemoteObject>& result) OVERRIDE; 73 virtual void getHeapObjectId(ErrorString*, const String& objectId, String* heapSnapshotObjectId) OVERRIDE; 74 75 private: 76 class HeapStatsStream; 77 class HeapStatsUpdateTask; 78 79 explicit InspectorHeapProfilerAgent(InjectedScriptManager*); 80 81 void requestHeapStatsUpdate(); 82 void pushHeapStatsUpdate(const uint32_t* const data, const int size); 83 84 void startTrackingHeapObjectsInternal(bool trackAllocations); 85 void stopTrackingHeapObjectsInternal(); 86 87 RawPtrWillBeMember<InjectedScriptManager> m_injectedScriptManager; 88 InspectorFrontend::HeapProfiler* m_frontend; 89 unsigned m_nextUserInitiatedHeapSnapshotNumber; 90 OwnPtrWillBeMember<HeapStatsUpdateTask> m_heapStatsUpdateTask; 91 }; 92 93 } // namespace blink 94 95 96 #endif // !defined(InspectorHeapProfilerAgent_h) 97