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The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
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63 lines
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63 lines
0 B
7 years ago
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/*
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*
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* Copyright 2015 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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#ifndef GRPC_SUPPORT_HISTOGRAM_H
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#define GRPC_SUPPORT_HISTOGRAM_H
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#include <grpc/support/port_platform.h>
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#include <stddef.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct grpc_histogram grpc_histogram;
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grpc_histogram* grpc_histogram_create(double resolution,
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double max_bucket_start);
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void grpc_histogram_destroy(grpc_histogram* h);
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void grpc_histogram_add(grpc_histogram* h, double x);
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/** The following merges the second histogram into the first. It only works
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if they have the same buckets and resolution. Returns 0 on failure, 1
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on success */
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int grpc_histogram_merge(grpc_histogram* dst, const grpc_histogram* src);
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double grpc_histogram_percentile(grpc_histogram* histogram, double percentile);
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double grpc_histogram_mean(grpc_histogram* histogram);
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double grpc_histogram_stddev(grpc_histogram* histogram);
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double grpc_histogram_variance(grpc_histogram* histogram);
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double grpc_histogram_maximum(grpc_histogram* histogram);
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double grpc_histogram_minimum(grpc_histogram* histogram);
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double grpc_histogram_count(grpc_histogram* histogram);
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double grpc_histogram_sum(grpc_histogram* histogram);
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double grpc_histogram_sum_of_squares(grpc_histogram* histogram);
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const uint32_t* grpc_histogram_get_contents(grpc_histogram* histogram,
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size_t* count);
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void grpc_histogram_merge_contents(grpc_histogram* histogram,
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const uint32_t* data, size_t data_count,
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double min_seen, double max_seen, double sum,
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double sum_of_squares, double count);
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#ifdef __cplusplus
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}
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#endif
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#endif /* GRPC_SUPPORT_HISTOGRAM_H */
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