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Scott Baker2d897982019-09-24 11:50:08 -07001/*
2 *
3 * Copyright 2017 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 grpclog defines logging for grpc.
20//
21// All logs in transport package only go to verbose level 2.
22// All logs in other packages in grpc are logged in spite of the verbosity level.
23//
24// In the default logger,
25// severity level can be set by environment variable GRPC_GO_LOG_SEVERITY_LEVEL,
26// verbosity level can be set by GRPC_GO_LOG_VERBOSITY_LEVEL.
27package grpclog // import "google.golang.org/grpc/grpclog"
28
29import "os"
30
31var logger = newLoggerV2()
32
33// V reports whether verbosity level l is at least the requested verbose level.
34func V(l int) bool {
35 return logger.V(l)
36}
37
38// Info logs to the INFO log.
39func Info(args ...interface{}) {
40 logger.Info(args...)
41}
42
43// Infof logs to the INFO log. Arguments are handled in the manner of fmt.Printf.
44func Infof(format string, args ...interface{}) {
45 logger.Infof(format, args...)
46}
47
48// Infoln logs to the INFO log. Arguments are handled in the manner of fmt.Println.
49func Infoln(args ...interface{}) {
50 logger.Infoln(args...)
51}
52
53// Warning logs to the WARNING log.
54func Warning(args ...interface{}) {
55 logger.Warning(args...)
56}
57
58// Warningf logs to the WARNING log. Arguments are handled in the manner of fmt.Printf.
59func Warningf(format string, args ...interface{}) {
60 logger.Warningf(format, args...)
61}
62
63// Warningln logs to the WARNING log. Arguments are handled in the manner of fmt.Println.
64func Warningln(args ...interface{}) {
65 logger.Warningln(args...)
66}
67
68// Error logs to the ERROR log.
69func Error(args ...interface{}) {
70 logger.Error(args...)
71}
72
73// Errorf logs to the ERROR log. Arguments are handled in the manner of fmt.Printf.
74func Errorf(format string, args ...interface{}) {
75 logger.Errorf(format, args...)
76}
77
78// Errorln logs to the ERROR log. Arguments are handled in the manner of fmt.Println.
79func Errorln(args ...interface{}) {
80 logger.Errorln(args...)
81}
82
83// Fatal logs to the FATAL log. Arguments are handled in the manner of fmt.Print.
84// It calls os.Exit() with exit code 1.
85func Fatal(args ...interface{}) {
86 logger.Fatal(args...)
87 // Make sure fatal logs will exit.
88 os.Exit(1)
89}
90
91// Fatalf logs to the FATAL log. Arguments are handled in the manner of fmt.Printf.
92// It calles os.Exit() with exit code 1.
93func Fatalf(format string, args ...interface{}) {
94 logger.Fatalf(format, args...)
95 // Make sure fatal logs will exit.
96 os.Exit(1)
97}
98
99// Fatalln logs to the FATAL log. Arguments are handled in the manner of fmt.Println.
100// It calle os.Exit()) with exit code 1.
101func Fatalln(args ...interface{}) {
102 logger.Fatalln(args...)
103 // Make sure fatal logs will exit.
104 os.Exit(1)
105}
106
107// Print prints to the logger. Arguments are handled in the manner of fmt.Print.
108//
109// Deprecated: use Info.
110func Print(args ...interface{}) {
111 logger.Info(args...)
112}
113
114// Printf prints to the logger. Arguments are handled in the manner of fmt.Printf.
115//
116// Deprecated: use Infof.
117func Printf(format string, args ...interface{}) {
118 logger.Infof(format, args...)
119}
120
121// Println prints to the logger. Arguments are handled in the manner of fmt.Println.
122//
123// Deprecated: use Infoln.
124func Println(args ...interface{}) {
125 logger.Infoln(args...)
126}