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kvstore.go
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kvstore.go
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// Copyright 2016-2017 Authors of Cilium
//
// 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 kvstore
import (
"encoding/json"
"time"
"github.com/cilium/cilium/common/types"
"github.com/cilium/cilium/pkg/policy"
"github.com/op/go-logging"
)
var (
log = logging.MustGetLogger("cilium-net")
)
type KVClient interface {
LockPath(path string) (KVLocker, error)
GetValue(k string) (json.RawMessage, error)
SetValue(k string, v interface{}) error
InitializeFreeID(path string, firstID uint32) error
GetMaxID(key string, firstID uint32) (uint32, error)
SetMaxID(key string, firstID, maxID uint32) error
GASNewSecLabelID(baseKeyPath string, baseID uint32, secCtxLabels *policy.Identity) error
GASNewL3n4AddrID(basePath string, baseID uint32, lAddrID *types.L3n4AddrID) error
DeleteTree(path string) error
GetWatcher(key string, timeSleep time.Duration) <-chan []policy.NumericIdentity
Status() (string, error)
}
type KVLocker interface {
Unlock() error
}
// GetLockPath returns the lock path representation of the given path.
func GetLockPath(path string) string {
return path + ".lock"
}