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package grpcserver |
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import ( |
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"context" |
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"errors" |
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"github.com/arazmj/gerdu/cache" |
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"github.com/arazmj/gerdu/proto" |
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grpc "google.golang.org/grpc" |
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"google.golang.org/grpc/credentials" |
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"log" |
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"net" |
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"strconv" |
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) |
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type server struct { |
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proto.UnimplementedGerduServer |
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verbose bool |
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gerdu cache.UnImplementedCache |
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} |
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func grpcServe(s *grpc.Server, port int, gerdu cache.UnImplementedCache, verbose bool) { |
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host := ":" + strconv.Itoa(port) |
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lis, err := net.Listen("tcp", host) |
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log.Printf("Gerdu started listening gRPC on %d port\n", port) |
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if err != nil { |
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log.Fatalf("failed to listen: %v", err) |
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} |
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proto.RegisterGerduServer(s, &server{ |
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gerdu: gerdu, |
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verbose: verbose, |
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}) |
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if err := s.Serve(lis); err != nil { |
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log.Fatalf("failed to serve: %v", err) |
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} |
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} |
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func GrpcServe(port int, gerdu cache.UnImplementedCache, verbose bool) { |
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s := grpc.NewServer() |
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grpcServe(s, port, gerdu, verbose) |
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} |
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func GrpcServeTLS(port int, tlsCert, tlsKey string, gerdu cache.UnImplementedCache, verbose bool) { |
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credentials, err := credentials.NewServerTLSFromFile(tlsCert, tlsKey) |
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if err != nil { |
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log.Fatalf("Failed to setup TLS for gRPC service: %v", err) |
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} |
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s := grpc.NewServer(grpc.Creds(credentials)) |
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grpcServe(s, port, gerdu, verbose) |
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} |
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func (s *server) Put(ctx context.Context, request *proto.PutRequest) (*proto.PutResponse, error) { |
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value := string(request.Value) |
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key := request.Key |
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created := s.gerdu.Put(key, value) |
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if s.verbose { |
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if !created { |
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log.Printf("gRPC UPDATE Key: %s Value: %s\n", key, value) |
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} else { |
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log.Printf("gRPC INSERT Key: %s Value: %s\n", key, value) |
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} |
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} |
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return &proto.PutResponse{ |
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Created: created, |
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}, nil |
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} |
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func (s *server) Get(ctx context.Context, request *proto.GetRequest) (*proto.GetResponse, error) { |
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value, ok := s.gerdu.Get(request.Key) |
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if ok { |
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if s.verbose { |
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log.Printf("gRPC RETREIVED Key: %s Value: %s\n", request.Key, value) |
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} |
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return &proto.GetResponse{ |
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Value: []byte(value), |
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}, nil |
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} |
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if s.verbose { |
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log.Printf("gRPC MISSED Key: %s \n", value) |
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} |
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return nil, errors.New("key not found") |
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} |
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arazmj /
gerdu
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