mirror of
https://gitee.com/milvus-io/milvus.git
synced 2026-02-02 01:06:41 +08:00
76 lines
2.0 KiB
Go
76 lines
2.0 KiB
Go
// Licensed to the LF AI & Data foundation under one
|
|
// or more contributor license agreements. See the NOTICE file
|
|
// distributed with this work for additional information
|
|
// regarding copyright ownership. The ASF licenses this file
|
|
// to you 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 datanode
|
|
|
|
import (
|
|
"sync"
|
|
|
|
"go.uber.org/atomic"
|
|
)
|
|
|
|
type flushTaskCounter struct {
|
|
inner sync.Map // channel -> counter (*atomic.Int32)
|
|
}
|
|
|
|
func (c *flushTaskCounter) getOrZero(channel string) int32 {
|
|
counter, exist := c.inner.Load(channel)
|
|
if !exist {
|
|
return 0
|
|
}
|
|
return counter.(*atomic.Int32).Load()
|
|
}
|
|
|
|
func (c *flushTaskCounter) increaseImpl(channel string, delta int32) {
|
|
counter, _ := c.inner.LoadOrStore(channel, atomic.NewInt32(0))
|
|
counter.(*atomic.Int32).Add(delta)
|
|
}
|
|
|
|
func (c *flushTaskCounter) increase(channel string) {
|
|
c.increaseImpl(channel, 1)
|
|
}
|
|
|
|
func (c *flushTaskCounter) decrease(channel string) {
|
|
c.increaseImpl(channel, -1)
|
|
}
|
|
|
|
func (c *flushTaskCounter) close() {
|
|
allChannels := make([]string, 0)
|
|
c.inner.Range(func(channel any, _ any) bool {
|
|
allChannels = append(allChannels, channel.(string))
|
|
return false
|
|
})
|
|
for _, channel := range allChannels {
|
|
c.inner.Delete(channel)
|
|
}
|
|
}
|
|
|
|
func newFlushTaskCounter() *flushTaskCounter {
|
|
return &flushTaskCounter{}
|
|
}
|
|
|
|
var (
|
|
globalFlushTaskCounter *flushTaskCounter
|
|
flushTaskCounterOnce sync.Once
|
|
)
|
|
|
|
func getOrCreateFlushTaskCounter() *flushTaskCounter {
|
|
flushTaskCounterOnce.Do(func() {
|
|
globalFlushTaskCounter = newFlushTaskCounter()
|
|
})
|
|
return globalFlushTaskCounter
|
|
}
|