Keep only base/extractor.[cc|h].

statsreport/aggregator-win32.h

-// Copyright 2006-2009 Google Inc.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-// ========================================================================
-//
-// Win32 aggregator, which aggregates counters to registry under a named
-// Mutex lock.
-#ifndef OMAHA_STATSREPORT_AGGREGATOR_WIN32_H__
-#define OMAHA_STATSREPORT_AGGREGATOR_WIN32_H__
-
-#include "aggregator.h"
-#include <atlbase.h>
-#include <atlstr.h>
-
-namespace stats_report {
-
-class MetricsAggregatorWin32: public MetricsAggregator {
-public:
-  /// @param coll the metrics collection to aggregate, most usually this
-  ///           is g_global_metrics.
-  /// @param app_name name of the subkey under HKCU\Software\Google we
-  ///           aggregate to.
-  MetricsAggregatorWin32(MetricCollection &coll,
-                         const wchar_t *app_name);
-
-  /// @param is_machine specifies the registry hive where the stats are
-  ///           aggregated to.
-  MetricsAggregatorWin32(MetricCollection &coll,
-                         const wchar_t *app_name,
-                         bool is_machine);
-  virtual ~MetricsAggregatorWin32();
-
-protected:
-  virtual bool StartAggregation();
-  virtual void EndAggregation();
-
-  virtual void Aggregate(CountMetric &metric);
-  virtual void Aggregate(TimingMetric &metric);
-  virtual void Aggregate(IntegerMetric &metric);
-  virtual void Aggregate(BoolMetric &metric);
-private:
-  enum {
-    /// Max length of time we wait for the mutex on StartAggregation.
-    kMaxMutexWaitMs = 1000, // 1 second for now
-  };
-
-  /// Ensures that *key is open, opening it if it's NULL
-  /// @return true on success, false on failure to open key
-  bool EnsureKey(const wchar_t *name, CRegKey *key);
-
-  /// Mutex name for locking access to key
-  CString mutex_name_;
-
-  /// Subkey name, as per constructor docs
-  CString key_name_;
-
-  /// Handle to our subkey under HKCU\Software\Google
-  CRegKey key_;
-
-  /// Subkeys under the above
-  /// @{
-  CRegKey count_key_;
-  CRegKey timing_key_;
-  CRegKey integer_key_;
-  CRegKey bool_key_;
-  /// @}
-
-  /// Specifies HKLM or HKCU, respectively.
-  bool is_machine_;
-
-  DISALLOW_EVIL_CONSTRUCTORS(MetricsAggregatorWin32);
-};
-
-} // namespace stats_report
-
-#endif  // OMAHA_STATSREPORT_AGGREGATOR_WIN32_H__