logging.go

Documentation: google.golang.org/grpc/xds/internal/balancer/ringhash

     1  /*
     2   *
     3   * Copyright 2021 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 ringhash
    20  
    21  import (
    22  	"fmt"
    23  
    24  	"google.golang.org/grpc/grpclog"
    25  	internalgrpclog "google.golang.org/grpc/internal/grpclog"
    26  )
    27  
    28  const prefix = "[ring-hash-lb %p] "
    29  
    30  var logger = grpclog.Component("xds")
    31  
    32  func prefixLogger(p *ringhashBalancer) *internalgrpclog.PrefixLogger {
    33  	return internalgrpclog.NewPrefixLogger(logger, fmt.Sprintf(prefix, p))
    34  }
    35  
    36  func subConnPrefixLogger(p *ringhashBalancer, sc *subConn) *internalgrpclog.PrefixLogger {
    37  	return internalgrpclog.NewPrefixLogger(logger, fmt.Sprintf(prefix, p)+fmt.Sprintf("[subConn %p] ", sc))
    38  }
    39
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