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MemoryReportRequest.h (2289B)

      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 #ifndef mozilla_dom_MemoryReportRequest_h_
      8 #define mozilla_dom_MemoryReportRequest_h_
      9 
     10 #include <functional>
     11 
     12 #include "mozilla/dom/MemoryReportTypes.h"
     13 #include "mozilla/ipc/FileDescriptor.h"
     14 #include "nsISupports.h"
     15 
     16 class nsMemoryReporterManager;
     17 
     18 namespace mozilla::dom {
     19 
     20 class MemoryReport;
     21 
     22 class MemoryReportRequestHost final {
     23 public:
     24  explicit MemoryReportRequestHost(uint32_t aGeneration);
     25  ~MemoryReportRequestHost();
     26 
     27  void RecvReport(const MemoryReport& aReport);
     28  void Finish(uint32_t aGeneration);
     29 
     30 private:
     31  const uint32_t mGeneration;
     32  // Non-null if we haven't yet called EndProcessReport() on it.
     33  RefPtr<nsMemoryReporterManager> mReporterManager;
     34  bool mSuccess;
     35 };
     36 
     37 class MemoryReportRequestClient final : public nsIRunnable {
     38 public:
     39  using ReportCallback = std::function<void(const MemoryReport&)>;
     40  using FinishCallback = std::function<void(const uint32_t&)>;
     41 
     42  NS_DECL_ISUPPORTS
     43 
     44  static void Start(uint32_t aGeneration, bool aAnonymize,
     45                    bool aMinimizeMemoryUsage,
     46                    const Maybe<mozilla::ipc::FileDescriptor>& aDMDFile,
     47                    const nsACString& aProcessString,
     48                    const ReportCallback& aReportCallback,
     49                    const FinishCallback& aFinishCallback);
     50 
     51  NS_IMETHOD Run() override;
     52 
     53 private:
     54  MemoryReportRequestClient(uint32_t aGeneration, bool aAnonymize,
     55                            const Maybe<mozilla::ipc::FileDescriptor>& aDMDFile,
     56                            const nsACString& aProcessString,
     57                            const ReportCallback& aReportCallback,
     58                            const FinishCallback& aFinishCallback);
     59 
     60 private:
     61  ~MemoryReportRequestClient();
     62 
     63  uint32_t mGeneration;
     64  bool mAnonymize;
     65  mozilla::ipc::FileDescriptor mDMDFile;
     66  nsCString mProcessString;
     67  ReportCallback mReportCallback;
     68  FinishCallback mFinishCallback;
     69 };
     70 
     71 }  // namespace mozilla::dom
     72 
     73 #endif  // mozilla_dom_MemoryReportRequest_h_