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logger.go
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logger.go
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package gsms
import (
"fmt"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
)
const (
// Silent silent log level
Silent LogLevel = iota + 1
// Error error log level
Error
// Warn warn log level
Warn
// Info info log level
Info
)
type logger struct {
level LogLevel
writer *zap.Logger
}
const callerSkipOffset = 2
func NewLogger(opts ...zap.Option) Logger {
opts = append(opts, zap.AddCallerSkip(callerSkipOffset))
config := zap.Config{
Level: zap.NewAtomicLevelAt(zap.InfoLevel),
Development: false,
Encoding: "console",
EncoderConfig: zapcore.EncoderConfig{
TimeKey: "ts",
LevelKey: "level",
NameKey: "logger",
CallerKey: "caller",
FunctionKey: zapcore.OmitKey,
MessageKey: "msg",
StacktraceKey: "stacktrace",
LineEnding: zapcore.DefaultLineEnding,
EncodeLevel: zapcore.CapitalColorLevelEncoder,
EncodeTime: zapcore.ISO8601TimeEncoder,
EncodeDuration: zapcore.StringDurationEncoder,
EncodeCaller: zapcore.ShortCallerEncoder,
},
OutputPaths: []string{"stderr"},
ErrorOutputPaths: []string{"stderr"},
}
writer, err := config.Build(opts...)
if err != nil {
panic(err)
}
return &logger{
level: Warn,
writer: writer,
}
}
func (l *logger) LogMode(level LogLevel) Logger {
newLogger := *l
newLogger.level = level
return &newLogger
}
func (l *logger) Info(v ...interface{}) {
if l.level >= Info {
l.writer.Info(fmt.Sprint(v...))
}
}
func (l *logger) Infof(format string, v ...interface{}) {
l.Info(fmt.Sprintf(format, v...))
}
func (l *logger) Warn(v ...interface{}) {
if l.level >= Warn {
l.writer.Warn(fmt.Sprint(v...))
}
}
func (l *logger) Warnf(format string, v ...interface{}) {
l.Warn(fmt.Sprintf(format, v...))
}
func (l *logger) Error(v ...interface{}) {
if l.level >= Error {
l.writer.Error(fmt.Sprint(v...))
}
}
func (l *logger) Errorf(format string, v ...interface{}) {
l.Error(fmt.Sprintf(format, v...))
}