Matteo Scandolo | a6a3aee | 2019-11-26 13:30:14 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * |
| 3 | * Copyright 2018 gRPC authors. |
| 4 | * |
| 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 |
| 8 | * |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 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. |
| 16 | * |
| 17 | */ |
| 18 | |
| 19 | package binarylog |
| 20 | |
| 21 | import ( |
| 22 | "errors" |
| 23 | "strings" |
| 24 | ) |
| 25 | |
| 26 | // parseMethodName splits service and method from the input. It expects format |
| 27 | // "/service/method". |
| 28 | // |
| 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 /") |
| 33 | } |
| 34 | methodName = methodName[1:] |
| 35 | |
| 36 | pos := strings.LastIndex(methodName, "/") |
| 37 | if pos < 0 { |
| 38 | return "", "", errors.New("invalid method name: suffix /method is missing") |
| 39 | } |
| 40 | return methodName[:pos], methodName[pos+1:], nil |
| 41 | } |