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
25// LocalSpanStoreEnabled true if the local span store is enabled.
26var LocalSpanStoreEnabled bool
27
28// BucketConfiguration stores the number of samples to store for span buckets
29// for successful and failed spans for a particular span name.
30type BucketConfiguration struct {
31	Name                 string
32	MaxRequestsSucceeded int
33	MaxRequestsErrors    int
34}
35
36// PerMethodSummary is a summary of the spans stored for a single span name.
37type PerMethodSummary struct {
38	Active         int
39	LatencyBuckets []LatencyBucketSummary
40	ErrorBuckets   []ErrorBucketSummary
41}
42
43// LatencyBucketSummary is a summary of a latency bucket.
44type LatencyBucketSummary struct {
45	MinLatency, MaxLatency time.Duration
46	Size                   int
47}
48
49// ErrorBucketSummary is a summary of an error bucket.
50type ErrorBucketSummary struct {
51	ErrorCode int32
52	Size      int
53}
54