This is the O3D source tree's initial commit to the Chromium tree. It

is not built or referenced at all by the chrome build yet, and doesn't 
yet build in it's new home.  We'll change that shortly.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@17035 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 104 insertions, 0 deletions

diff --git a/o3d/statsreport/aggregator-win32.h b/o3d/statsreport/aggregator-win32.h
new file mode 100644
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+++ b/o3d/statsreport/aggregator-win32.h
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+/*
+ * Copyright 2009, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+// Win32 aggregator, which aggregates counters to registry under a named
+// Mutex lock.
+#ifndef O3D_STATSREPORT_AGGREGATOR_WIN32_H__
+#define O3D_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. Should be or encode the application name for
+  //           transparency, e.g. "Scour", or "Gears".
+  MetricsAggregatorWin32(const MetricCollection &coll,
+                         const wchar_t *app_name);
+
+  // @param is_machine specifies the registry hive where the stats are
+  //           aggregated to.
+  MetricsAggregatorWin32(const 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_COPY_AND_ASSIGN(MetricsAggregatorWin32);
+};
+
+}  // namespace stats_report
+
+#endif  // O3D_STATSREPORT_AGGREGATOR_WIN32_H__