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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 // Declaration of a Windows event trace consumer base class. | 5 // Declaration of a Windows event trace consumer base class. |
| 6 #ifndef BASE_WIN_EVENT_TRACE_CONSUMER_H_ | 6 #ifndef BASE_WIN_EVENT_TRACE_CONSUMER_H_ |
| 7 #define BASE_WIN_EVENT_TRACE_CONSUMER_H_ | 7 #define BASE_WIN_EVENT_TRACE_CONSUMER_H_ |
| 8 | 8 |
| 9 #include <windows.h> | 9 #include <windows.h> |
| 10 #include <wmistr.h> | 10 #include <wmistr.h> |
| 11 #include <evntrace.h> | 11 #include <evntrace.h> |
| 12 #include <stddef.h> |
| 12 #include <vector> | 13 #include <vector> |
| 13 #include "base/basictypes.h" | 14 |
| 15 #include "base/macros.h" |
| 14 | 16 |
| 15 namespace base { | 17 namespace base { |
| 16 namespace win { | 18 namespace win { |
| 17 | 19 |
| 18 // This class is a base class that makes it easier to consume events | 20 // This class is a base class that makes it easier to consume events |
| 19 // from realtime or file sessions. Concrete consumers need to subclass | 21 // from realtime or file sessions. Concrete consumers need to subclass |
| 20 // a specialization of this class and override the ProcessEvent and/or | 22 // a specialization of this class and override the ProcessEvent and/or |
| 21 // the ProcessBuffer methods to implement the event consumption logic. | 23 // the ProcessBuffer methods to implement the event consumption logic. |
| 22 // Usage might look like: | 24 // Usage might look like: |
| 23 // class MyConsumer: public EtwTraceConsumerBase<MyConsumer, 1> { | 25 // class MyConsumer: public EtwTraceConsumerBase<MyConsumer, 1> { |
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| 139 } | 141 } |
| 140 trace_handles_.clear(); | 142 trace_handles_.clear(); |
| 141 | 143 |
| 142 return hr; | 144 return hr; |
| 143 } | 145 } |
| 144 | 146 |
| 145 } // namespace win | 147 } // namespace win |
| 146 } // namespace base | 148 } // namespace base |
| 147 | 149 |
| 148 #endif // BASE_WIN_EVENT_TRACE_CONSUMER_H_ | 150 #endif // BASE_WIN_EVENT_TRACE_CONSUMER_H_ |
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