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#ifndef TEST_QPS_HISTOGRAM_H
#define TEST_QPS_HISTOGRAM_H

#include <grpc/support/histogram.h>

namespace grpc {
namespace testing {

class Histogram {
 public:
  Histogram() : impl_(gpr_histogram_create(0.01, 60e9)) {}
  ~Histogram() { gpr_histogram_destroy(impl_); }

  void Merge(Histogram* h) { gpr_histogram_merge(impl_, h->impl_); }
  void Add(double value) { gpr_histogram_add(impl_, value); }
  double Percentile(double pctile) { return gpr_histogram_percentile(impl_, pctile); }
  double Count() { return gpr_histogram_count(impl_); }
  void Swap(Histogram* other) { std::swap(impl_, other->impl_); }

 private:
  Histogram(const Histogram&);
  Histogram& operator=(const Histogram&);

  gpr_histogram* impl_;
};

}
}

#endif  /* TEST_QPS_HISTOGRAM_H */