3 * Copyright 2018 gRPC authors.
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
26 // parseMethodName splits service and method from the input. It expects format
29 // TODO: move to internal/grpcutil.
30 func parseMethodName(methodName string) (service, method string, _ error) {
31 if !strings.HasPrefix(methodName, "/") {
32 return "", "", errors.New("invalid method name: should start with /")
34 methodName = methodName[1:]
36 pos := strings.LastIndex(methodName, "/")
38 return "", "", errors.New("invalid method name: suffix /method is missing")
40 return methodName[:pos], methodName[pos+1:], nil