dom/ipc/MemoryReportRequest.h

   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 "mozilla/dom/MemoryReportTypes.h"
  11 #include "mozilla/ipc/FileDescriptor.h"
  12 #include "nsISupports.h"
  13
  14 #include <functional>
  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_