56 lines
1.6 KiB
C++
56 lines
1.6 KiB
C++
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_glean_DistributionData_h
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#define mozilla_glean_DistributionData_h
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#include "nsTHashMap.h"
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namespace mozilla::glean {
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struct DistributionData final {
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uint64_t sum;
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uint64_t count;
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nsTHashMap<nsUint64HashKey, uint64_t> values;
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/**
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* Create distribution data from the buckets, counts and sum,
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* as returned by `fog_*_distribution_test_get_value`.
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*/
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DistributionData(const nsTArray<uint64_t>& aBuckets,
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const nsTArray<uint64_t>& aCounts, uint64_t aSum,
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uint64_t aCount)
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: sum(aSum), count(aCount) {
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for (size_t i = 0; i < aBuckets.Length(); ++i) {
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this->values.InsertOrUpdate(aBuckets[i], aCounts[i]);
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}
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}
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friend std::ostream& operator<<(std::ostream& aStream,
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const DistributionData& aDist) {
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aStream << "DistributionData(";
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aStream << "sum=" << aDist.sum << ", ";
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aStream << "count=" << aDist.count << ", ";
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aStream << "values={";
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bool first = true;
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for (const auto& entry : aDist.values) {
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if (!first) {
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aStream << ", ";
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}
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first = false;
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const uint64_t bucket = entry.GetKey();
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const uint64_t count = entry.GetData();
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aStream << bucket << "=" << count;
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}
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aStream << "}";
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aStream << ")";
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return aStream;
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}
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};
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} // namespace mozilla::glean
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#endif /* mozilla_glean_DistributionData_h */
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