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1 // Copyright 2017 The Chromium Authors. All rights reserved. | 1 // Copyright 2017 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef SERVICES_RESOURCE_COORDINATOR_PUBLIC_CPP_MEMORY_MEMORY_DUMP_MANAGER_DELE
GATE_IMPL_H_ | 5 #ifndef SERVICES_RESOURCE_COORDINATOR_PUBLIC_CPP_PROCESS_LOCAL_DUMP_MANAGER_IMPL
_H_ |
6 #define SERVICES_RESOURCE_COORDINATOR_PUBLIC_CPP_MEMORY_MEMORY_DUMP_MANAGER_DELE
GATE_IMPL_H_ | 6 #define SERVICES_RESOURCE_COORDINATOR_PUBLIC_CPP_PROCESS_LOCAL_DUMP_MANAGER_IMPL
_H_ |
7 | 7 |
8 #include "base/single_thread_task_runner.h" | 8 #include "base/single_thread_task_runner.h" |
9 #include "base/synchronization/lock.h" | 9 #include "base/synchronization/lock.h" |
10 #include "base/trace_event/memory_dump_manager.h" | 10 #include "base/trace_event/memory_dump_manager.h" |
11 #include "base/trace_event/memory_dump_request_args.h" | 11 #include "base/trace_event/memory_dump_request_args.h" |
12 #include "mojo/public/cpp/bindings/binding.h" | 12 #include "mojo/public/cpp/bindings/binding.h" |
13 #include "services/resource_coordinator/public/cpp/memory/coordinator.h" | 13 #include "services/resource_coordinator/public/cpp/memory/coordinator.h" |
14 #include "services/resource_coordinator/public/interfaces/memory/memory_instrume
ntation.mojom.h" | 14 #include "services/resource_coordinator/public/interfaces/memory/memory_instrume
ntation.mojom.h" |
15 #include "services/service_manager/public/cpp/connector.h" | 15 #include "services/service_manager/public/cpp/connector.h" |
16 | 16 |
17 namespace memory_instrumentation { | 17 namespace memory_instrumentation { |
18 | 18 |
19 // This is the bridge between MemoryDumpManager and the Coordinator service. | 19 // This is the bridge between MemoryDumpManager and the Coordinator service. |
20 // This indirection is needed to avoid a dependency from //base, where | 20 // This indirection is needed to avoid a dependency from //base, where |
21 // MemoryDumpManager lives, to //services, where the Coordinator service lives. | 21 // MemoryDumpManager lives, to //services, where the Coordinator service lives. |
22 // | 22 // |
23 // This cannot just be implemented by the Coordinator service, because there is | 23 // This cannot just be implemented by the Coordinator service, because there is |
24 // no Coordinator service in child processes. So, in a child process, the | 24 // no Coordinator service in child processes. So, in a child process, the |
25 // delegate remotely connects to the Coordinator service. In the browser | 25 // local dump manager remotely connects to the Coordinator service. In the |
26 // process, the delegate locally connects to the Coordinator service. | 26 // browser process, it locally connects to the Coordinator service. |
27 class MemoryDumpManagerDelegateImpl | 27 class ProcessLocalDumpManagerImpl : public mojom::ProcessLocalDumpManager { |
28 : public base::trace_event::MemoryDumpManagerDelegate, | |
29 public mojom::ProcessLocalDumpManager { | |
30 public: | 28 public: |
31 class Config { | 29 class Config { |
32 public: | 30 public: |
33 Config(service_manager::Connector* connector, | 31 Config(service_manager::Connector* connector, |
34 const std::string& service_name) | 32 const std::string& service_name) |
35 : connector_(connector), | 33 : connector_(connector), |
36 service_name_(service_name), | 34 service_name_(service_name), |
37 coordinator_(nullptr) {} | 35 coordinator_(nullptr) {} |
38 Config(Coordinator* coordinator) | 36 Config(Coordinator* coordinator) |
39 : connector_(nullptr), coordinator_(coordinator) {} | 37 : connector_(nullptr), coordinator_(coordinator) {} |
40 ~Config(); | 38 ~Config(); |
41 | 39 |
42 service_manager::Connector* connector() const { return connector_; } | 40 service_manager::Connector* connector() const { return connector_; } |
43 | 41 |
44 const std::string& service_name() const { return service_name_; } | 42 const std::string& service_name() const { return service_name_; } |
45 | 43 |
46 Coordinator* coordinator() const { return coordinator_; } | 44 Coordinator* coordinator() const { return coordinator_; } |
47 | 45 |
48 private: | 46 private: |
49 service_manager::Connector* connector_; | 47 service_manager::Connector* connector_; |
50 const std::string service_name_; | 48 const std::string service_name_; |
51 Coordinator* coordinator_; | 49 Coordinator* coordinator_; |
52 bool is_test_config_; | 50 bool is_test_config_; |
53 }; | 51 }; |
54 | 52 |
55 explicit MemoryDumpManagerDelegateImpl(const Config& config); | 53 static void InitializeInstance(const Config& config); |
56 ~MemoryDumpManagerDelegateImpl() override; | |
57 | 54 |
58 bool IsCoordinator() const override; | 55 // Implements base::trace_event::MemoryDumpManager::RequestGlobalDumpCallback. |
59 | 56 // NOTE: Use MemoryDumpManager::RequestGlobalDump() to request gobal dump. |
60 // The base::trace_event::MemoryDumpManager calls this. | |
61 void RequestGlobalMemoryDump( | 57 void RequestGlobalMemoryDump( |
62 const base::trace_event::MemoryDumpRequestArgs& args, | 58 const base::trace_event::MemoryDumpRequestArgs& args, |
63 const base::trace_event::GlobalMemoryDumpCallback& callback) override; | 59 const base::trace_event::GlobalMemoryDumpCallback& callback); |
64 | 60 |
65 Config config() { return config_; } | 61 Config config() { return config_; } |
66 void SetAsNonCoordinatorForTesting(); | 62 void SetAsNonCoordinatorForTesting(); |
67 | 63 |
68 private: | 64 private: |
69 friend std::default_delete<MemoryDumpManagerDelegateImpl>; // For testing | 65 friend std::default_delete<ProcessLocalDumpManagerImpl>; // For testing |
70 friend class MemoryDumpManagerDelegateImplTest; // For testing | 66 friend class ProcessLocalDumpManagerImplTest; // For testing |
| 67 |
| 68 ProcessLocalDumpManagerImpl(const Config& config); |
| 69 ~ProcessLocalDumpManagerImpl() override; |
71 | 70 |
72 // The ProcessLocalDumpManager interface. The coordinator calls this. | 71 // The ProcessLocalDumpManager interface. The coordinator calls this. |
73 void RequestProcessMemoryDump( | 72 void RequestProcessMemoryDump( |
74 const base::trace_event::MemoryDumpRequestArgs& args, | 73 const base::trace_event::MemoryDumpRequestArgs& args, |
75 const RequestProcessMemoryDumpCallback& callback) override; | 74 const RequestProcessMemoryDumpCallback& callback) override; |
76 | 75 |
77 // A proxy callback for updating |pending_memory_dump_guid_|. | 76 // A proxy callback for updating |pending_memory_dump_guid_|. |
78 void MemoryDumpCallbackProxy( | 77 void MemoryDumpCallbackProxy( |
79 const base::trace_event::GlobalMemoryDumpCallback& callback, | 78 const base::trace_event::GlobalMemoryDumpCallback& callback, |
80 uint64_t dump_guid, | 79 uint64_t dump_guid, |
81 bool success); | 80 bool success); |
82 | 81 |
83 mojom::CoordinatorPtr coordinator_; | 82 mojom::CoordinatorPtr coordinator_; |
84 mojo::Binding<mojom::ProcessLocalDumpManager> binding_; | 83 mojo::Binding<mojom::ProcessLocalDumpManager> binding_; |
85 const Config config_; | 84 const Config config_; |
86 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; | 85 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; |
87 uint64_t pending_memory_dump_guid_; | 86 uint64_t pending_memory_dump_guid_; |
88 | 87 |
89 // Prevents racy access to |pending_memory_dump_guid_|. | |
90 base::Lock pending_memory_dump_guid_lock_; | 88 base::Lock pending_memory_dump_guid_lock_; |
91 | 89 |
92 // Prevents racy access to |initialized_|. | 90 DISALLOW_COPY_AND_ASSIGN(ProcessLocalDumpManagerImpl); |
93 base::Lock initialized_lock_; | |
94 | |
95 DISALLOW_COPY_AND_ASSIGN(MemoryDumpManagerDelegateImpl); | |
96 }; | 91 }; |
97 | 92 |
98 } // namespace memory_instrumentation | 93 } // namespace memory_instrumentation |
99 | 94 |
100 #endif // SERVICES_RESOURCE_COORDINATOR_PUBLIC_CPP_MEMORY_MEMORY_DUMP_MANAGER_D
ELEGATE_IMPL_H_ | 95 #endif // SERVICES_RESOURCE_COORDINATOR_PUBLIC_CPP_PROCESS_LOCAL_DUMP_MANAGER_I
MPL_H_ |
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