/
common.go
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/
common.go
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// Licensed to the Apache Software Foundation (ASF) 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 etcd
import (
"github.com/apache/servicecomb-service-center/server/core/proto"
"github.com/apache/servicecomb-service-center/server/plugin/discovery"
"github.com/coreos/etcd/mvcc/mvccpb"
"time"
)
const (
// force re-list
DefaultForceListInterval = 4
DefaultMetricsInterval = 30 * time.Second
minWaitInterval = 1 * time.Second
eventBlockSize = 1000
eventBusSize = 1000
)
var closedCh = make(chan struct{})
func init() {
close(closedCh)
}
func FromEtcdKeyValue(dist *discovery.KeyValue, src *mvccpb.KeyValue, parser proto.Parser) (err error) {
dist.Key = src.Key
dist.Version = src.Version
dist.CreateRevision = src.CreateRevision
dist.ModRevision = src.ModRevision
if parser == nil {
return
}
dist.Value, err = parser.Unmarshal(src.Value)
return
}