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Diffstat (limited to '')
-rw-r--r-- | dependencies/pkg/mod/go.uber.org/zap@v1.23.0/zapgrpc/zapgrpc.go | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/dependencies/pkg/mod/go.uber.org/zap@v1.23.0/zapgrpc/zapgrpc.go b/dependencies/pkg/mod/go.uber.org/zap@v1.23.0/zapgrpc/zapgrpc.go new file mode 100644 index 0000000..356e127 --- /dev/null +++ b/dependencies/pkg/mod/go.uber.org/zap@v1.23.0/zapgrpc/zapgrpc.go @@ -0,0 +1,241 @@ +// Copyright (c) 2016 Uber Technologies, Inc. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +// Package zapgrpc provides a logger that is compatible with grpclog. +package zapgrpc // import "go.uber.org/zap/zapgrpc" + +import ( + "fmt" + + "go.uber.org/zap" + "go.uber.org/zap/zapcore" +) + +// See https://github.com/grpc/grpc-go/blob/v1.35.0/grpclog/loggerv2.go#L77-L86 +const ( + grpcLvlInfo = 0 + grpcLvlWarn = 1 + grpcLvlError = 2 + grpcLvlFatal = 3 +) + +var ( + // _grpcToZapLevel maps gRPC log levels to zap log levels. + // See https://pkg.go.dev/go.uber.org/zap@v1.16.0/zapcore#Level + _grpcToZapLevel = map[int]zapcore.Level{ + grpcLvlInfo: zapcore.InfoLevel, + grpcLvlWarn: zapcore.WarnLevel, + grpcLvlError: zapcore.ErrorLevel, + grpcLvlFatal: zapcore.FatalLevel, + } +) + +// An Option overrides a Logger's default configuration. +type Option interface { + apply(*Logger) +} + +type optionFunc func(*Logger) + +func (f optionFunc) apply(log *Logger) { + f(log) +} + +// WithDebug configures a Logger to print at zap's DebugLevel instead of +// InfoLevel. +// It only affects the Printf, Println and Print methods, which are only used in the gRPC v1 grpclog.Logger API. +// Deprecated: use grpclog.SetLoggerV2() for v2 API. +func WithDebug() Option { + return optionFunc(func(logger *Logger) { + logger.print = &printer{ + enab: logger.levelEnabler, + level: zapcore.DebugLevel, + print: logger.delegate.Debug, + printf: logger.delegate.Debugf, + } + }) +} + +// withWarn redirects the fatal level to the warn level, which makes testing +// easier. This is intentionally unexported. +func withWarn() Option { + return optionFunc(func(logger *Logger) { + logger.fatal = &printer{ + enab: logger.levelEnabler, + level: zapcore.WarnLevel, + print: logger.delegate.Warn, + printf: logger.delegate.Warnf, + } + }) +} + +// NewLogger returns a new Logger. +func NewLogger(l *zap.Logger, options ...Option) *Logger { + logger := &Logger{ + delegate: l.Sugar(), + levelEnabler: l.Core(), + } + logger.print = &printer{ + enab: logger.levelEnabler, + level: zapcore.InfoLevel, + print: logger.delegate.Info, + printf: logger.delegate.Infof, + } + logger.fatal = &printer{ + enab: logger.levelEnabler, + level: zapcore.FatalLevel, + print: logger.delegate.Fatal, + printf: logger.delegate.Fatalf, + } + for _, option := range options { + option.apply(logger) + } + return logger +} + +// printer implements Print, Printf, and Println operations for a Zap level. +// +// We use it to customize Debug vs Info, and Warn vs Fatal for Print and Fatal +// respectively. +type printer struct { + enab zapcore.LevelEnabler + level zapcore.Level + print func(...interface{}) + printf func(string, ...interface{}) +} + +func (v *printer) Print(args ...interface{}) { + v.print(args...) +} + +func (v *printer) Printf(format string, args ...interface{}) { + v.printf(format, args...) +} + +func (v *printer) Println(args ...interface{}) { + if v.enab.Enabled(v.level) { + v.print(sprintln(args)) + } +} + +// Logger adapts zap's Logger to be compatible with grpclog.LoggerV2 and the deprecated grpclog.Logger. +type Logger struct { + delegate *zap.SugaredLogger + levelEnabler zapcore.LevelEnabler + print *printer + fatal *printer + // printToDebug bool + // fatalToWarn bool +} + +// Print implements grpclog.Logger. +// Deprecated: use Info(). +func (l *Logger) Print(args ...interface{}) { + l.print.Print(args...) +} + +// Printf implements grpclog.Logger. +// Deprecated: use Infof(). +func (l *Logger) Printf(format string, args ...interface{}) { + l.print.Printf(format, args...) +} + +// Println implements grpclog.Logger. +// Deprecated: use Info(). +func (l *Logger) Println(args ...interface{}) { + l.print.Println(args...) +} + +// Info implements grpclog.LoggerV2. +func (l *Logger) Info(args ...interface{}) { + l.delegate.Info(args...) +} + +// Infoln implements grpclog.LoggerV2. +func (l *Logger) Infoln(args ...interface{}) { + if l.levelEnabler.Enabled(zapcore.InfoLevel) { + l.delegate.Info(sprintln(args)) + } +} + +// Infof implements grpclog.LoggerV2. +func (l *Logger) Infof(format string, args ...interface{}) { + l.delegate.Infof(format, args...) +} + +// Warning implements grpclog.LoggerV2. +func (l *Logger) Warning(args ...interface{}) { + l.delegate.Warn(args...) +} + +// Warningln implements grpclog.LoggerV2. +func (l *Logger) Warningln(args ...interface{}) { + if l.levelEnabler.Enabled(zapcore.WarnLevel) { + l.delegate.Warn(sprintln(args)) + } +} + +// Warningf implements grpclog.LoggerV2. +func (l *Logger) Warningf(format string, args ...interface{}) { + l.delegate.Warnf(format, args...) +} + +// Error implements grpclog.LoggerV2. +func (l *Logger) Error(args ...interface{}) { + l.delegate.Error(args...) +} + +// Errorln implements grpclog.LoggerV2. +func (l *Logger) Errorln(args ...interface{}) { + if l.levelEnabler.Enabled(zapcore.ErrorLevel) { + l.delegate.Error(sprintln(args)) + } +} + +// Errorf implements grpclog.LoggerV2. +func (l *Logger) Errorf(format string, args ...interface{}) { + l.delegate.Errorf(format, args...) +} + +// Fatal implements grpclog.LoggerV2. +func (l *Logger) Fatal(args ...interface{}) { + l.fatal.Print(args...) +} + +// Fatalln implements grpclog.LoggerV2. +func (l *Logger) Fatalln(args ...interface{}) { + l.fatal.Println(args...) +} + +// Fatalf implements grpclog.LoggerV2. +func (l *Logger) Fatalf(format string, args ...interface{}) { + l.fatal.Printf(format, args...) +} + +// V implements grpclog.LoggerV2. +func (l *Logger) V(level int) bool { + return l.levelEnabler.Enabled(_grpcToZapLevel[level]) +} + +func sprintln(args []interface{}) string { + s := fmt.Sprintln(args...) + // Drop the new line character added by Sprintln + return s[:len(s)-1] +} |