[VOL-2235] Mocks and interfaces for rw-core
This update consists of mocks that are used by the rw-core
during unit testing. It also includes interfaces used for unit
tests.
Change-Id: I20ca1455c358113c3aa897acc6355e0ddbc614b7
diff --git a/vendor/go.etcd.io/etcd/etcdserver/api/v3rpc/quota.go b/vendor/go.etcd.io/etcd/etcdserver/api/v3rpc/quota.go
new file mode 100644
index 0000000..a145b8b
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/etcdserver/api/v3rpc/quota.go
@@ -0,0 +1,90 @@
+// 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 v3rpc
+
+import (
+ "context"
+
+ "go.etcd.io/etcd/etcdserver"
+ "go.etcd.io/etcd/etcdserver/api/v3rpc/rpctypes"
+ pb "go.etcd.io/etcd/etcdserver/etcdserverpb"
+ "go.etcd.io/etcd/pkg/types"
+)
+
+type quotaKVServer struct {
+ pb.KVServer
+ qa quotaAlarmer
+}
+
+type quotaAlarmer struct {
+ q etcdserver.Quota
+ a Alarmer
+ id types.ID
+}
+
+// check whether request satisfies the quota. If there is not enough space,
+// ignore request and raise the free space alarm.
+func (qa *quotaAlarmer) check(ctx context.Context, r interface{}) error {
+ if qa.q.Available(r) {
+ return nil
+ }
+ req := &pb.AlarmRequest{
+ MemberID: uint64(qa.id),
+ Action: pb.AlarmRequest_ACTIVATE,
+ Alarm: pb.AlarmType_NOSPACE,
+ }
+ qa.a.Alarm(ctx, req)
+ return rpctypes.ErrGRPCNoSpace
+}
+
+func NewQuotaKVServer(s *etcdserver.EtcdServer) pb.KVServer {
+ return "aKVServer{
+ NewKVServer(s),
+ quotaAlarmer{etcdserver.NewBackendQuota(s, "kv"), s, s.ID()},
+ }
+}
+
+func (s *quotaKVServer) Put(ctx context.Context, r *pb.PutRequest) (*pb.PutResponse, error) {
+ if err := s.qa.check(ctx, r); err != nil {
+ return nil, err
+ }
+ return s.KVServer.Put(ctx, r)
+}
+
+func (s *quotaKVServer) Txn(ctx context.Context, r *pb.TxnRequest) (*pb.TxnResponse, error) {
+ if err := s.qa.check(ctx, r); err != nil {
+ return nil, err
+ }
+ return s.KVServer.Txn(ctx, r)
+}
+
+type quotaLeaseServer struct {
+ pb.LeaseServer
+ qa quotaAlarmer
+}
+
+func (s *quotaLeaseServer) LeaseGrant(ctx context.Context, cr *pb.LeaseGrantRequest) (*pb.LeaseGrantResponse, error) {
+ if err := s.qa.check(ctx, cr); err != nil {
+ return nil, err
+ }
+ return s.LeaseServer.LeaseGrant(ctx, cr)
+}
+
+func NewQuotaLeaseServer(s *etcdserver.EtcdServer) pb.LeaseServer {
+ return "aLeaseServer{
+ NewLeaseServer(s),
+ quotaAlarmer{etcdserver.NewBackendQuota(s, "lease"), s, s.ID()},
+ }
+}