maintenance_client_adapter.go

Documentation: go.etcd.io/etcd/server/v3/proxy/grpcproxy/adapter

     1  // Copyright 2017 The etcd Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package adapter
    16  
    17  import (
    18  	"context"
    19  
    20  	pb "go.etcd.io/etcd/api/v3/etcdserverpb"
    21  
    22  	"google.golang.org/grpc"
    23  )
    24  
    25  type mts2mtc struct{ mts pb.MaintenanceServer }
    26  
    27  func MaintenanceServerToMaintenanceClient(mts pb.MaintenanceServer) pb.MaintenanceClient {
    28  	return &mts2mtc{mts}
    29  }
    30  
    31  func (s *mts2mtc) Alarm(ctx context.Context, r *pb.AlarmRequest, opts ...grpc.CallOption) (*pb.AlarmResponse, error) {
    32  	return s.mts.Alarm(ctx, r)
    33  }
    34  
    35  func (s *mts2mtc) Status(ctx context.Context, r *pb.StatusRequest, opts ...grpc.CallOption) (*pb.StatusResponse, error) {
    36  	return s.mts.Status(ctx, r)
    37  }
    38  
    39  func (s *mts2mtc) Defragment(ctx context.Context, dr *pb.DefragmentRequest, opts ...grpc.CallOption) (*pb.DefragmentResponse, error) {
    40  	return s.mts.Defragment(ctx, dr)
    41  }
    42  
    43  func (s *mts2mtc) Hash(ctx context.Context, r *pb.HashRequest, opts ...grpc.CallOption) (*pb.HashResponse, error) {
    44  	return s.mts.Hash(ctx, r)
    45  }
    46  
    47  func (s *mts2mtc) HashKV(ctx context.Context, r *pb.HashKVRequest, opts ...grpc.CallOption) (*pb.HashKVResponse, error) {
    48  	return s.mts.HashKV(ctx, r)
    49  }
    50  
    51  func (s *mts2mtc) MoveLeader(ctx context.Context, r *pb.MoveLeaderRequest, opts ...grpc.CallOption) (*pb.MoveLeaderResponse, error) {
    52  	return s.mts.MoveLeader(ctx, r)
    53  }
    54  
    55  func (s *mts2mtc) Downgrade(ctx context.Context, r *pb.DowngradeRequest, opts ...grpc.CallOption) (*pb.DowngradeResponse, error) {
    56  	return s.mts.Downgrade(ctx, r)
    57  }
    58  
    59  func (s *mts2mtc) Snapshot(ctx context.Context, in *pb.SnapshotRequest, opts ...grpc.CallOption) (pb.Maintenance_SnapshotClient, error) {
    60  	cs := newPipeStream(ctx, func(ss chanServerStream) error {
    61  		return s.mts.Snapshot(in, &ss2scServerStream{ss})
    62  	})
    63  	return &ss2scClientStream{cs}, nil
    64  }
    65  
    66  // ss2scClientStream implements Maintenance_SnapshotClient
    67  type ss2scClientStream struct{ chanClientStream }
    68  
    69  // ss2scServerStream implements Maintenance_SnapshotServer
    70  type ss2scServerStream struct{ chanServerStream }
    71  
    72  func (s *ss2scClientStream) Send(rr *pb.SnapshotRequest) error {
    73  	return s.SendMsg(rr)
    74  }
    75  func (s *ss2scClientStream) Recv() (*pb.SnapshotResponse, error) {
    76  	var v interface{}
    77  	if err := s.RecvMsg(&v); err != nil {
    78  		return nil, err
    79  	}
    80  	return v.(*pb.SnapshotResponse), nil
    81  }
    82  
    83  func (s *ss2scServerStream) Send(rr *pb.SnapshotResponse) error {
    84  	return s.SendMsg(rr)
    85  }
    86  func (s *ss2scServerStream) Recv() (*pb.SnapshotRequest, error) {
    87  	var v interface{}
    88  	if err := s.RecvMsg(&v); err != nil {
    89  		return nil, err
    90  	}
    91  	return v.(*pb.SnapshotRequest), nil
    92  }
    93
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