| // Copyright 2017 The etcd Lockors |
| // |
| // 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 grpcproxy |
| |
| import ( |
| "context" |
| |
| "github.com/coreos/etcd/clientv3" |
| "github.com/coreos/etcd/etcdserver/api/v3election/v3electionpb" |
| ) |
| |
| type electionProxy struct { |
| client *clientv3.Client |
| } |
| |
| func NewElectionProxy(client *clientv3.Client) v3electionpb.ElectionServer { |
| return &electionProxy{client: client} |
| } |
| |
| func (ep *electionProxy) Campaign(ctx context.Context, req *v3electionpb.CampaignRequest) (*v3electionpb.CampaignResponse, error) { |
| return v3electionpb.NewElectionClient(ep.client.ActiveConnection()).Campaign(ctx, req) |
| } |
| |
| func (ep *electionProxy) Proclaim(ctx context.Context, req *v3electionpb.ProclaimRequest) (*v3electionpb.ProclaimResponse, error) { |
| return v3electionpb.NewElectionClient(ep.client.ActiveConnection()).Proclaim(ctx, req) |
| } |
| |
| func (ep *electionProxy) Leader(ctx context.Context, req *v3electionpb.LeaderRequest) (*v3electionpb.LeaderResponse, error) { |
| return v3electionpb.NewElectionClient(ep.client.ActiveConnection()).Leader(ctx, req) |
| } |
| |
| func (ep *electionProxy) Observe(req *v3electionpb.LeaderRequest, s v3electionpb.Election_ObserveServer) error { |
| conn := ep.client.ActiveConnection() |
| ctx, cancel := context.WithCancel(s.Context()) |
| defer cancel() |
| sc, err := v3electionpb.NewElectionClient(conn).Observe(ctx, req) |
| if err != nil { |
| return err |
| } |
| for { |
| rr, err := sc.Recv() |
| if err != nil { |
| return err |
| } |
| if err = s.Send(rr); err != nil { |
| return err |
| } |
| } |
| } |
| |
| func (ep *electionProxy) Resign(ctx context.Context, req *v3electionpb.ResignRequest) (*v3electionpb.ResignResponse, error) { |
| return v3electionpb.NewElectionClient(ep.client.ActiveConnection()).Resign(ctx, req) |
| } |