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asyncack.go
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asyncack.go
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/*******************************************************************************
* Copyright 2017.
*
* 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 messagestore
import "sync"
type MsgAckChan struct {
Mu sync.Mutex
Id string
IsClosed bool
DataChan chan interface{}
}
func (mac *MsgAckChan) TryCloseChan() {
mac.Mu.Lock()
defer mac.Mu.Unlock()
if !mac.IsClosed {
close(mac.DataChan)
mac.IsClosed = true
}
}
func (mac *MsgAckChan) TrySendDataAndCloseChan(data interface{}) bool {
mac.Mu.Lock()
defer mac.Mu.Unlock()
if !mac.IsClosed {
mac.DataChan <- data
close(mac.DataChan)
mac.IsClosed = true
return true
}
return false
}