| // Copyright 2017, OpenCensus Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package internal // import "go.opencensus.io/internal" |
| |
| import "time" |
| |
| // UserAgent is the user agent to be added to the outgoing |
| // requests from the exporters. |
| const UserAgent = "opencensus-go [0.11.0]" |
| |
| // MonotonicEndTime returns the end time at present |
| // but offset from start, monotonically. |
| // |
| // The monotonic clock is used in subtractions hence |
| // the duration since start added back to start gives |
| // end as a monotonic time. |
| // See https://golang.org/pkg/time/#hdr-Monotonic_Clocks |
| func MonotonicEndTime(start time.Time) time.Time { |
| return start.Add(time.Now().Sub(start)) |
| } |
