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The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
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91 lines
3.4 KiB
91 lines
3.4 KiB
/* |
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* |
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* Copyright 2015, Google Inc. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following disclaimer |
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* in the documentation and/or other materials provided with the |
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* distribution. |
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* * Neither the name of Google Inc. nor the names of its |
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* contributors may be used to endorse or promote products derived from |
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* this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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*/ |
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#ifndef TEST_QPS_HISTOGRAM_H |
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#define TEST_QPS_HISTOGRAM_H |
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#include <grpc/support/histogram.h> |
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#include "src/proto/grpc/testing/stats.grpc.pb.h" |
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namespace grpc { |
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namespace testing { |
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class Histogram { |
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public: |
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// TODO: look into making histogram params not hardcoded for C++ |
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Histogram() |
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: impl_(gpr_histogram_create(default_resolution(), |
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default_max_possible())) {} |
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~Histogram() { |
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if (impl_) gpr_histogram_destroy(impl_); |
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} |
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Histogram(Histogram&& other) : impl_(other.impl_) { other.impl_ = nullptr; } |
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void Merge(const Histogram& h) { gpr_histogram_merge(impl_, h.impl_); } |
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void Add(double value) { gpr_histogram_add(impl_, value); } |
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double Percentile(double pctile) const { |
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return gpr_histogram_percentile(impl_, pctile); |
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} |
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double Count() const { return gpr_histogram_count(impl_); } |
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void Swap(Histogram* other) { std::swap(impl_, other->impl_); } |
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void FillProto(HistogramData* p) { |
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size_t n; |
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const auto* data = gpr_histogram_get_contents(impl_, &n); |
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for (size_t i = 0; i < n; i++) { |
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p->add_bucket(data[i]); |
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} |
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p->set_min_seen(gpr_histogram_minimum(impl_)); |
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p->set_max_seen(gpr_histogram_maximum(impl_)); |
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p->set_sum(gpr_histogram_sum(impl_)); |
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p->set_sum_of_squares(gpr_histogram_sum_of_squares(impl_)); |
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p->set_count(gpr_histogram_count(impl_)); |
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} |
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void MergeProto(const HistogramData& p) { |
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gpr_histogram_merge_contents(impl_, &*p.bucket().begin(), p.bucket_size(), |
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p.min_seen(), p.max_seen(), p.sum(), |
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p.sum_of_squares(), p.count()); |
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} |
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static double default_resolution() { return 0.01; } |
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static double default_max_possible() { return 60e9; } |
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private: |
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Histogram(const Histogram&); |
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Histogram& operator=(const Histogram&); |
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gpr_histogram* impl_; |
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}; |
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} |
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} |
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#endif /* TEST_QPS_HISTOGRAM_H */
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