ceph-csi/vendor/google.golang.org/grpc/internal/binarylog/util.go
2018-11-26 13:23:56 -05:00

42 lines
1.2 KiB
Go

/*
*
* Copyright 2018 gRPC 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 binarylog
import (
"errors"
"strings"
)
// parseMethodName splits service and method from the input. It expects format
// "/service/method".
//
// TODO: move to internal/grpcutil.
func parseMethodName(methodName string) (service, method string, _ error) {
if !strings.HasPrefix(methodName, "/") {
return "", "", errors.New("invalid method name: should start with /")
}
methodName = methodName[1:]
pos := strings.LastIndex(methodName, "/")
if pos < 0 {
return "", "", errors.New("invalid method name: suffix /method is missing")
}
return methodName[:pos], methodName[pos+1:], nil
}