k3s/vendor/go.opencensus.io/trace/evictedqueue.go

39 lines
1.0 KiB
Go
Raw Normal View History

2019-09-27 21:51:53 +00:00
// Copyright 2019, OpenCensus Authors
2019-01-12 04:58:27 +00:00
//
// 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.
2019-09-27 21:51:53 +00:00
package trace
2019-01-12 04:58:27 +00:00
2019-09-27 21:51:53 +00:00
type evictedQueue struct {
queue []interface{}
capacity int
droppedCount int
2019-01-12 04:58:27 +00:00
}
2019-09-27 21:51:53 +00:00
func newEvictedQueue(capacity int) *evictedQueue {
eq := &evictedQueue{
capacity: capacity,
queue: make([]interface{}, 0),
2019-01-12 04:58:27 +00:00
}
2019-09-27 21:51:53 +00:00
return eq
2019-01-12 04:58:27 +00:00
}
2019-09-27 21:51:53 +00:00
func (eq *evictedQueue) add(value interface{}) {
if len(eq.queue) == eq.capacity {
eq.queue = eq.queue[1:]
eq.droppedCount++
2019-01-12 04:58:27 +00:00
}
2019-09-27 21:51:53 +00:00
eq.queue = append(eq.queue, value)
2019-01-12 04:58:27 +00:00
}