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59 lines
2.0 KiB
59 lines
2.0 KiB
/*
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* Minio Cloud Storage, (C) 2016 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package dsync
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// LockArgs is minimal required values for any dsync compatible lock operation.
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type LockArgs struct {
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// Unique ID of lock/unlock request.
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UID string
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// Resource contains a entity to be locked/unlocked.
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Resource string
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// Source contains the line number, function and file name of the code
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// on the client node that requested the lock.
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Source string
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}
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// NetLocker is dsync compatible locker interface.
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type NetLocker interface {
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// Do read lock for given LockArgs. It should return
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// * a boolean to indicate success/failure of the operation
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// * an error on failure of lock request operation.
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RLock(args LockArgs) (bool, error)
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// Do write lock for given LockArgs. It should return
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// * a boolean to indicate success/failure of the operation
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// * an error on failure of lock request operation.
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Lock(args LockArgs) (bool, error)
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// Do read unlock for given LockArgs. It should return
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// * a boolean to indicate success/failure of the operation
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// * an error on failure of unlock request operation.
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RUnlock(args LockArgs) (bool, error)
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// Do write unlock for given LockArgs. It should return
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// * a boolean to indicate success/failure of the operation
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// * an error on failure of unlock request operation.
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Unlock(args LockArgs) (bool, error)
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// Returns underlying endpoint of this lock client instance.
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String() string
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// Close closes any underlying connection to the service endpoint
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Close() error
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}
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