1// Copyright 2017, OpenCensus Authors
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15package internal
16
17import (
18	"time"
19)
20
21// Trace allows internal access to some trace functionality.
22// TODO(#412): remove this
23var Trace interface{}
24
25var LocalSpanStoreEnabled bool
26
27// BucketConfiguration stores the number of samples to store for span buckets
28// for successful and failed spans for a particular span name.
29type BucketConfiguration struct {
30	Name                 string
31	MaxRequestsSucceeded int
32	MaxRequestsErrors    int
33}
34
35// PerMethodSummary is a summary of the spans stored for a single span name.
36type PerMethodSummary struct {
37	Active         int
38	LatencyBuckets []LatencyBucketSummary
39	ErrorBuckets   []ErrorBucketSummary
40}
41
42// LatencyBucketSummary is a summary of a latency bucket.
43type LatencyBucketSummary struct {
44	MinLatency, MaxLatency time.Duration
45	Size                   int
46}
47
48// ErrorBucketSummary is a summary of an error bucket.
49type ErrorBucketSummary struct {
50	ErrorCode int32
51	Size      int
52}
53