Index: components/ukm/ukm_recorder_impl.h |
diff --git a/components/ukm/ukm_recorder_impl.h b/components/ukm/ukm_recorder_impl.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..44cd8d8edef7db208d454336d707cb7f84f8f8ef |
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+++ b/components/ukm/ukm_recorder_impl.h |
@@ -0,0 +1,72 @@ |
+// Copyright 2017 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef COMPONENTS_UKM_UKM_RECORDER_IMPL_H_ |
+#define COMPONENTS_UKM_UKM_RECORDER_IMPL_H_ |
+ |
+#include <map> |
+#include <set> |
+#include <vector> |
+ |
+#include "base/threading/thread_checker.h" |
+#include "components/ukm/public/interfaces/ukm_interface.mojom.h" |
+#include "components/ukm/public/ukm_recorder.h" |
+ |
+namespace ukm { |
+ |
+class UkmSource; |
+class Report; |
+ |
+namespace debug { |
+class DebugPage; |
+} |
+ |
+class UkmRecorderImpl : public UkmRecorder { |
+ public: |
+ UkmRecorderImpl(); |
+ ~UkmRecorderImpl() override; |
+ |
+ // Enables/disables recording control if data is allowed to be collected. |
+ void EnableRecording(); |
+ void DisableRecording(); |
+ |
+ // Deletes stored recordings. |
+ void Purge(); |
+ |
+ protected: |
+ // Cache the list of whitelisted entries from the field trial parameter. |
+ void StoreWhitelistedEntries(); |
+ |
+ // Writes recordings into a report proto, and clears recordings. |
+ void StoreRecordingsInReport(Report* report); |
+ |
+ const std::map<ukm::SourceId, std::unique_ptr<UkmSource>>& sources() const { |
+ return sources_; |
+ } |
+ |
+ const std::vector<mojom::UkmEntryPtr>& entries() const { return entries_; } |
+ |
+ private: |
+ friend ::ukm::debug::DebugPage; |
+ // UkmRecorder: |
+ void UpdateSourceURL(SourceId source_id, const GURL& url) override; |
+ void AddEntry(mojom::UkmEntryPtr entry) override; |
+ |
+ // Whether recording new data is currently allowed. |
+ bool recording_enabled_; |
+ |
+ // Contains newly added sources and entries of UKM metrics which periodically |
+ // get serialized and cleared by BuildAndStoreLog(). |
+ std::map<ukm::SourceId, std::unique_ptr<UkmSource>> sources_; |
+ std::vector<mojom::UkmEntryPtr> entries_; |
+ |
+ // Whitelisted Entry hashes, only the ones in this set will be recorded. |
+ std::set<uint64_t> whitelisted_entry_hashes_; |
+ |
+ THREAD_CHECKER(thread_checker_); |
+}; |
+ |
+} // namespace ukm |
+ |
+#endif // COMPONENTS_UKM_UKM_RECORDER_IMPL_H_ |