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47 lines
1.5 KiB
Go
47 lines
1.5 KiB
Go
// Copyright 2025 The etcd Authors
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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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package apply
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import (
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pb "go.etcd.io/etcd/api/v3/etcdserverpb"
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"go.etcd.io/etcd/pkg/v3/traceutil"
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"go.etcd.io/etcd/server/v3/etcdserver/errors"
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serverstorage "go.etcd.io/etcd/server/v3/storage"
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)
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type applierV3Capped struct {
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applierV3
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q serverstorage.BackendQuota
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}
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// newApplierV3Capped creates an applyV3 that will reject Puts and transactions
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// with Puts so that the number of keys in the store is capped.
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func newApplierV3Capped(base applierV3) applierV3 { return &applierV3Capped{applierV3: base} }
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func (a *applierV3Capped) Put(_ *pb.PutRequest) (*pb.PutResponse, *traceutil.Trace, error) {
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return nil, nil, errors.ErrNoSpace
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}
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func (a *applierV3Capped) Txn(r *pb.TxnRequest) (*pb.TxnResponse, *traceutil.Trace, error) {
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if a.q.Cost(r) > 0 {
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return nil, nil, errors.ErrNoSpace
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}
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return a.applierV3.Txn(r)
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}
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func (a *applierV3Capped) LeaseGrant(_ *pb.LeaseGrantRequest) (*pb.LeaseGrantResponse, error) {
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return nil, errors.ErrNoSpace
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}
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