/* * 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 #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__