| // Copyright 2017 Google LLC |
| // |
| // 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 spanner |
| |
| import ( |
| "context" |
| |
| "go.opencensus.io/stats" |
| "go.opencensus.io/stats/view" |
| ) |
| |
| const statsPrefix = "cloud.google.com/go/spanner/" |
| |
| func recordStat(ctx context.Context, m *stats.Int64Measure, n int64) { |
| stats.Record(ctx, m.M(n)) |
| } |
| |
| var ( |
| // OpenSessionCount is a measure of the number of sessions currently opened. |
| // It is EXPERIMENTAL and subject to change or removal without notice. |
| OpenSessionCount = stats.Int64(statsPrefix+"open_session_count", "Number of sessions currently opened", |
| stats.UnitDimensionless) |
| |
| // OpenSessionCountView is a view of the last value of OpenSessionCount. |
| // It is EXPERIMENTAL and subject to change or removal without notice. |
| OpenSessionCountView = &view.View{ |
| Name: OpenSessionCount.Name(), |
| Description: OpenSessionCount.Description(), |
| Measure: OpenSessionCount, |
| Aggregation: view.LastValue(), |
| } |
| ) |