1 /* 2 * 3 * Copyright 2020 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 xdsclient 20 21 import ( 22 "fmt" 23 24 "google.golang.org/grpc/grpclog" 25 internalgrpclog "google.golang.org/grpc/internal/grpclog" 26 ) 27 28 var logger = grpclog.Component("xds") 29 30 func prefixLogger(p *clientImpl) *internalgrpclog.PrefixLogger { 31 return internalgrpclog.NewPrefixLogger(logger, clientPrefix(p)) 32 } 33 34 func clientPrefix(p *clientImpl) string { 35 return fmt.Sprintf("[xds-client %p] ", p) 36 } 37 38 func authorityPrefix(p *clientImpl, serverURI string) string { 39 return fmt.Sprintf("%s[%s] ", clientPrefix(p), serverURI) 40 } 41