mirror of
https://github.com/restic/restic.git
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121 lines
2.6 KiB
Go
121 lines
2.6 KiB
Go
// Copyright 2017 Google Inc. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package rpcreplay
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import (
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"io"
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"log"
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"net"
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"golang.org/x/net/context"
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"google.golang.org/grpc"
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"google.golang.org/grpc/codes"
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pb "cloud.google.com/go/internal/rpcreplay/proto/intstore"
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)
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// intStoreServer is an in-memory implementation of IntStore.
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type intStoreServer struct {
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pb.IntStoreServer
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Addr string
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l net.Listener
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gsrv *grpc.Server
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items map[string]int32
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}
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func newIntStoreServer() *intStoreServer {
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l, err := net.Listen("tcp", "127.0.0.1:0")
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if err != nil {
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log.Fatal(err)
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}
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s := &intStoreServer{
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Addr: l.Addr().String(),
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l: l,
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gsrv: grpc.NewServer(),
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}
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pb.RegisterIntStoreServer(s.gsrv, s)
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go s.gsrv.Serve(s.l)
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return s
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}
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func (s *intStoreServer) stop() {
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s.gsrv.Stop()
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s.l.Close()
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}
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func (s *intStoreServer) Set(_ context.Context, item *pb.Item) (*pb.SetResponse, error) {
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old := s.setItem(item)
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return &pb.SetResponse{PrevValue: old}, nil
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}
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func (s *intStoreServer) setItem(item *pb.Item) int32 {
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if s.items == nil {
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s.items = map[string]int32{}
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}
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old := s.items[item.Name]
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s.items[item.Name] = item.Value
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return old
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}
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func (s *intStoreServer) Get(_ context.Context, req *pb.GetRequest) (*pb.Item, error) {
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val, ok := s.items[req.Name]
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if !ok {
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return nil, grpc.Errorf(codes.NotFound, "%q", req.Name)
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}
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return &pb.Item{Name: req.Name, Value: val}, nil
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}
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func (s *intStoreServer) ListItems(_ *pb.ListItemsRequest, ss pb.IntStore_ListItemsServer) error {
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for name, val := range s.items {
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if err := ss.Send(&pb.Item{Name: name, Value: val}); err != nil {
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return err
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}
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}
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return nil
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}
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func (s *intStoreServer) SetStream(ss pb.IntStore_SetStreamServer) error {
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n := 0
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for {
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item, err := ss.Recv()
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if err == io.EOF {
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break
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}
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if err != nil {
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return err
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}
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s.setItem(item)
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n++
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}
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return ss.SendAndClose(&pb.Summary{Count: int32(n)})
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}
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func (s *intStoreServer) StreamChat(ss pb.IntStore_StreamChatServer) error {
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for {
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item, err := ss.Recv()
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if err == io.EOF {
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break
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}
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if err != nil {
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return err
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}
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if err := ss.Send(item); err != nil {
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return err
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}
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}
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return nil
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}
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