diff options
Diffstat (limited to 'vendor/go.opencensus.io/metric/metricproducer/manager.go')
| -rw-r--r-- | vendor/go.opencensus.io/metric/metricproducer/manager.go | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/vendor/go.opencensus.io/metric/metricproducer/manager.go b/vendor/go.opencensus.io/metric/metricproducer/manager.go deleted file mode 100644 index ca1f390..0000000 --- a/vendor/go.opencensus.io/metric/metricproducer/manager.go +++ /dev/null @@ -1,78 +0,0 @@ -// Copyright 2019, 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 metricproducer - -import ( - "sync" -) - -// Manager maintains a list of active producers. Producers can register -// with the manager to allow readers to read all metrics provided by them. -// Readers can retrieve all producers registered with the manager, -// read metrics from the producers and export them. -type Manager struct { - mu sync.RWMutex - producers map[Producer]struct{} -} - -var prodMgr *Manager -var once sync.Once - -// GlobalManager is a single instance of producer manager -// that is used by all producers and all readers. -func GlobalManager() *Manager { - once.Do(func() { - prodMgr = &Manager{} - prodMgr.producers = make(map[Producer]struct{}) - }) - return prodMgr -} - -// AddProducer adds the producer to the Manager if it is not already present. -func (pm *Manager) AddProducer(producer Producer) { - if producer == nil { - return - } - pm.mu.Lock() - defer pm.mu.Unlock() - pm.producers[producer] = struct{}{} -} - -// DeleteProducer deletes the producer from the Manager if it is present. -func (pm *Manager) DeleteProducer(producer Producer) { - if producer == nil { - return - } - pm.mu.Lock() - defer pm.mu.Unlock() - delete(pm.producers, producer) -} - -// GetAll returns a slice of all producer currently registered with -// the Manager. For each call it generates a new slice. The slice -// should not be cached as registration may change at any time. It is -// typically called periodically by exporter to read metrics from -// the producers. -func (pm *Manager) GetAll() []Producer { - pm.mu.Lock() - defer pm.mu.Unlock() - producers := make([]Producer, len(pm.producers)) - i := 0 - for producer := range pm.producers { - producers[i] = producer - i++ - } - return producers -} |
