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etcdctl/ctlv3/command/printer_protobuf.go
64 строки
2 KB
Wei Fu
*: switch to new protobuf struct
15 май 2026, 17:59
15 май 2026, 17:59
df2b18b
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// Copyright 2016 The etcd Authors // // 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 command import ( "fmt" "os" "google.golang.org/protobuf/proto" pb "go.etcd.io/etcd/api/v3/etcdserverpb" v3 "go.etcd.io/etcd/client/v3" "go.etcd.io/etcd/pkg/v3/cobrautl" ) type pbPrinter struct{ printer } func newPBPrinter() printer { return &pbPrinter{ &printerRPC{newPrinterUnsupported("protobuf"), printPB}, } } func (p *pbPrinter) Watch(r *v3.WatchResponse) { wr := &pb.WatchResponse{} if r != nil { wr = &pb.WatchResponse{ Header: r.Header, Events: r.Events, CompactRevision: r.CompactRevision, Canceled: r.Canceled, Created: r.Created, } } printPB(wr) } func printPB(v any) { var b []byte var err error switch m := v.(type) { case proto.Message: b, err = proto.Marshal(m) default: cobrautl.ExitWithError(cobrautl.ExitBadFeature, fmt.Errorf("marshal unsupported for type %T (%v)", v, v)) } if err != nil { fmt.Fprintf(os.Stderr, "%v\n", err) return } fmt.Print(string(b)) }