vendor/go.opencensus.io/internal/traceinternals.go

   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
  15 package internal
  16
  17 import (
  18         "time"
  19 )
  20
  21 // Trace allows internal access to some trace functionality.
  22 // TODO(#412): remove this
  23 var Trace interface{}
  24
  25 var 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.
  29 type 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.
  36 type PerMethodSummary struct {
  37         Active         int
  38         LatencyBuckets []LatencyBucketSummary
  39         ErrorBuckets   []ErrorBucketSummary
  40 }
  41
  42 // LatencyBucketSummary is a summary of a latency bucket.
  43 type LatencyBucketSummary struct {
  44         MinLatency, MaxLatency time.Duration
  45         Size                   int
  46 }
  47
  48 // ErrorBucketSummary is a summary of an error bucket.
  49 type ErrorBucketSummary struct {
  50         ErrorCode int32
  51         Size      int
  52 }