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 // LocalSpanStoreEnabled true if the local span store is enabled. 26 var 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. 30 type 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. 37 type PerMethodSummary struct { 38 Active int 39 LatencyBuckets []LatencyBucketSummary 40 ErrorBuckets []ErrorBucketSummary 41 } 42 43 // LatencyBucketSummary is a summary of a latency bucket. 44 type LatencyBucketSummary struct { 45 MinLatency, MaxLatency time.Duration 46 Size int 47 } 48 49 // ErrorBucketSummary is a summary of an error bucket. 50 type ErrorBucketSummary struct { 51 ErrorCode int32 52 Size int 53 } 54