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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.
*/
// Utility class to format metrics to a string suitable for posting to
// TB stats server.
#ifndef O3D_STATSREPORT_FORMATTER_H__
#define O3D_STATSREPORT_FORMATTER_H__
#include <sstream>
#include "base/basictypes.h"
#include "metrics.h"
namespace stats_report {
// A utility class that knows how to turn metrics into a string for
// reporting to the Toolbar stats server.
class Formatter {
public:
// @param name the name of the application to report stats against
Formatter(const char *name, uint32 measurement_secs);
~Formatter();
// Add metric to the output string
void AddMetric(MetricBase *metric);
// Add typed metrics to the output string
// @{
void AddCount(const char *name, uint64 value);
void AddTiming(const char *name, uint64 num, uint64 avg, uint64 min,
uint64 max);
void AddInteger(const char *name, uint64 value);
void AddBoolean(const char *name, bool value);
// @}
// Terminates the output string and returns it.
// It is an error to add metrics after output() is called.
const std::string output() {
output_ << std::ends;
return output_.str();
}
private:
mutable std::ostringstream output_;
DISALLOW_COPY_AND_ASSIGN(Formatter);
};
} // namespace stats_report
#endif // O3D_STATSREPORT_FORMATTER_H__
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