*: etcdserver supports v3 demo

etcdserver/v3demo_server.go

@@ -0,0 +1,59 @@
+// Copyright 2015 CoreOS, Inc.
+//
+// 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 etcdserver
+
+import (
+	"github.com/coreos/etcd/Godeps/_workspace/src/github.com/gogo/protobuf/proto"
+	"github.com/coreos/etcd/Godeps/_workspace/src/golang.org/x/net/context"
+	pb "github.com/coreos/etcd/etcdserver/etcdserverpb"
+)
+
+func (s *EtcdServer) V3DemoDo(ctx context.Context, r pb.InternalRaftRequest) proto.Message {
+	switch {
+	case r.Range != nil:
+		rr := r.Range
+		resp := &pb.RangeResponse{}
+		resp.Header = &pb.ResponseHeader{}
+		kvs, rev, err := s.kv.Range(rr.Key, rr.RangeEnd, rr.Limit, 0)
+		if err != nil {
+			panic("not handled error")
+		}
+
+		resp.Header.Index = rev
+		for i := range kvs {
+			resp.Kvs = append(resp.Kvs, &kvs[i])
+		}
+		return resp
+	case r.Put != nil:
+		rp := r.Put
+		resp := &pb.PutResponse{}
+		resp.Header = &pb.ResponseHeader{}
+		rev := s.kv.Put(rp.Key, rp.Value)
+		resp.Header.Index = rev
+		return resp
+	case r.DeleteRange != nil:
+		rd := r.DeleteRange
+		resp := &pb.DeleteRangeResponse{}
+		resp.Header = &pb.ResponseHeader{}
+		_, rev := s.kv.DeleteRange(rd.Key, rd.RangeEnd)
+		resp.Header.Index = rev
+		return resp
+	case r.Txn != nil:
+		panic("not implemented")
+	default:
+		panic("not implemented")
+	}
+	return nil
+}