log

package
v0.0.0-...-8220f0d Latest Latest
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 Go to latest Published: Feb 3, 2019 License: MIT Imports: 15 Imported by: 0

Documentation

Overview

Package log provides support for structured logging.

Index

Constants

View Source 
const (
	TypeBool fieldType = iota + 1
	TypeBools
	TypeBytes
	TypeBytesArray
	TypeDigest
	TypeDigests
	TypeDuration
	TypeDurations
	TypeErr
	TypeErrs
	TypeFloat32
	TypeFloat32s
	TypeFloat64
	TypeFloat64s
	TypeInt
	TypeInts
	TypeInt8
	TypeInt8s
	TypeInt16
	TypeInt16s
	TypeInt32
	TypeInt32s
	TypeInt64
	TypeInt64s
	TypeString
	TypeStrings
	TypeTime
	TypeTimes
	TypeUint
	TypeUints
	TypeUint8
	TypeUint8s
	TypeUint16
	TypeUint16s
	TypeUint32
	TypeUint32s
	TypeUint64
	TypeUint64s
)

Log field types.

Variables

This section is empty.

Functions

func AtDebug 

func AtDebug() bool

AtDebug returns whether the current configuration will log at the DebugLevel.

func AtError 

func AtError() bool

AtError returns whether the current configuration will log at the ErrorLevel.

func AtInfo 

func AtInfo() bool

AtInfo returns whether the current configuration will log at the InfoLevel.

func AtStackTrace 

func AtStackTrace() bool

AtStackTrace returns whether the current configuration will log at the StackTraceLevel.

func AtWarn 

func AtWarn() bool

AtWarn returns whether the current configuration will log at the WarnLevel.

func Debug 

func Debug(text string, fields ...Field)

Debug logs the given text and fields at DebugLevel using the root logger.

func Debugf 

func Debugf(format string, args ...interface{})

Debugf formats similarly to Printf and logs the resulting output at the DebugLevel using the root logger.

func Error 

func Error(text string, fields ...Field)

Error logs the given text and fields at ErrorLevel using the root logger.

func Errorf 

func Errorf(format string, args ...interface{})

Errorf formats similarly to Printf and logs the resulting output at the ErrorLevel using the root logger.

func Fatal 

func Fatal(text string, fields ...Field)

Fatal logs the given text and fields at FatalLevel using the root logger.

func Fatalf 

func Fatalf(format string, args ...interface{})

Fatalf formats similarly to Printf and logs the resulting output at the FatalLevel using the root logger.

func Info 

func Info(text string, fields ...Field)

Info logs the given text and fields at InfoLevel using the root logger.

func Infof 

func Infof(format string, args ...interface{})

Infof formats similarly to Printf and logs the resulting output at the InfoLevel using the root logger.

func SetGlobal 

func SetGlobal(fields ...Field)

SetGlobal sets the given fields on the root logger. SetGlobal is not threadsafe, so should be set before any goroutines that make log calls.

func StackTrace 

func StackTrace(text string)

StackTrace logs the given text at StackTraceLevel along with the stacktrace using the root logger.

func ToConsole 

func ToConsole(lvl Level)

ToConsole sets the log level of the console logger. By default it will be logging at DebugLevel until this function is used to change the setting.

func ToFile 

func ToFile(path string, lvl Level) error

ToFile starts logging at the given file path.

func ToServer 

func ToServer(addr string, lvl Level, limit int)

ToServer starts logging to the given server. It starts dropping backfilled entries beyond the given limit.

func Warn 

func Warn(text string, fields ...Field)

Warn logs the given text and fields at WarnLevel using the root logger.

func Warnf 

func Warnf(format string, args ...interface{})

Warnf formats similarly to Printf and logs the resulting output at the WarnLevel using the root logger.

Types

type Field 

type Field struct {
	// contains filtered or unexported fields
}

Field represents a key/value pair for adding to a log entry.

func Bool 

func Bool(key string, value bool) Field

Bool represents a field with a boolean value.

func Bools 

func Bools(key string, value []bool) Field

Bools represents a field with a slice of boolean values.

func Bytes 

func Bytes(key string, value []byte) Field

Bytes represents a field with a byte slice value.

func BytesArray 

func BytesArray(key string, value [][]byte) Field

BytesArray represents a field with an array of byte slice values.

func Digest 

func Digest(key string, value []byte) Field

Digest represents a field with a hash digest value.

func Digests 

func Digests(key string, value [][]byte) Field

Digests represents a field with an array of hash digest values.

func Duration 

func Duration(key string, value time.Duration) Field

Duration represents a field with a duration value.

func Durations 

func Durations(key string, value []time.Duration) Field

Durations represents a field with an array of duration values.

func Err 

func Err(value error) Field

Err represents a field with an error value. It automatically uses "error" as the Field key.

func Errs 

func Errs(value error) Field

Errs represents a field with an array of error values. It automatically uses "error" as the Field key.

func Float32 

func Float32(key string, value float32) Field

Float32 represents a field with a float32 value.

func Float32s 

func Float32s(key string, value []float32) Field

Float32s represents a field with an array of float32 values.

func Float64 

func Float64(key string, value float64) Field

Float64 represents a field with a float64 value.

func Float64s 

func Float64s(key string, value []float64) Field

Float64s represents a field with an array of float64 values.

func Int 

func Int(key string, value int) Field

Int represents a field with an int value.

func Int16 

func Int16(key string, value int16) Field

Int16 represents a field with an int16 value.

func Int16s 

func Int16s(key string, value []int16) Field

Int16s represents a field with an array of int16 values.

func Int32 

func Int32(key string, value int32) Field

Int32 represents a field with an int32 value.

func Int32s 

func Int32s(key string, value []int32) Field

Int32s represents a field with an array of int32 values.

func Int64 

func Int64(key string, value int64) Field

Int64 represents a field with an int64 value.

func Int64s 

func Int64s(key string, value []int64) Field

Int64s represents a field with an array of int64 values.

func Int8 

func Int8(key string, value int8) Field

Int8 represents a field with an int8 value.

func Int8s 

func Int8s(key string, value []int8) Field

Int8s represents a field with an array of int8 values.

func Ints 

func Ints(key string, value []int) Field

Ints represents a field with an array of int values.

func String 

func String(key string, value string) Field

String represents a field with a string value.

func Strings 

func Strings(key string, value []string) Field

Strings represents a field with an array of string values.

func Time 

func Time(key string, value time.Time) Field

Time represents a field with a time value.

func Times 

func Times(key string, value []time.Time) Field

Times represents a field with an array of time values.

func Uint 

func Uint(key string, value uint) Field

Uint represents a field with a uint value.

func Uint16 

func Uint16(key string, value uint16) Field

Uint16 represents a field with a uint16 value.

func Uint16s 

func Uint16s(key string, value []uint16) Field

Uint16s represents a field with an array of uint16 values.

func Uint32 

func Uint32(key string, value uint32) Field

Uint32 represents a field with a uint32 value.

func Uint32s 

func Uint32s(key string, value []uint32) Field

Uint32s represents a field with an array of uint32 values.

func Uint64 

func Uint64(key string, value uint64) Field

Uint64 represents a field with a uint64 value.

func Uint64s 

func Uint64s(key string, value []uint64) Field

Uint64s represents a field with an array of uint64 values.

func Uint8 

func Uint8(key string, value uint8) Field

Uint8 represents a field with a uint8 value.

func Uint8s 

func Uint8s(key string, value []uint8) Field

Uint8s represents a field with an array of uint8 values.

func Uints 

func Uints(key string, value []uint) Field

Uints represents a field with an array of uint values.

type Level 

type Level int8

Level represents a logging level. 

const (
	DebugLevel Level = iota + 1
	InfoLevel
	WarnLevel
	ErrorLevel
	StackTraceLevel
	FatalLevel
)

Logging levels.

func (Level) MarshalYAML 

func (l Level) MarshalYAML() (interface{}, error)

MarshalYAML implements the YAML encoding interface.

func (Level) String 

func (l Level) String() string

func (*Level) UnmarshalYAML 

func (l *Level) UnmarshalYAML(unmarshal func(interface{}) error) error

UnmarshalYAML implements the YAML decoding interface.

type Logger 

type Logger struct {
	// contains filtered or unexported fields
}

Logger encapsulates the state of a logger with custom fields.

func With 

func With(fields ...Field) *Logger

With returns a new logger based off of the root logger that comes preset with the given fields.

func (*Logger) Debug 

func (l *Logger) Debug(text string, fields ...Field)

Debug logs the given text and fields at DebugLevel.

func (*Logger) Debugf 

func (l *Logger) Debugf(format string, args ...interface{})

Debugf formats similarly to Printf and logs the resulting output at the DebugLevel.

func (*Logger) Error 

func (l *Logger) Error(text string, fields ...Field)

Error logs the given text and fields at ErrorLevel.

func (*Logger) Errorf 

func (l *Logger) Errorf(format string, args ...interface{})

Errorf formats similarly to Printf and logs the resulting output at the ErrorLevel.

func (*Logger) Fatal 

func (l *Logger) Fatal(text string, fields ...Field)

Fatal logs the given text and fields at FatalLevel.

func (*Logger) Fatalf 

func (l *Logger) Fatalf(format string, args ...interface{})

Fatalf formats similarly to Printf and logs the resulting output at the FatalLevel.

func (*Logger) Info 

func (l *Logger) Info(text string, fields ...Field)

Info logs the given text and fields at InfoLevel.

func (*Logger) Infof 

func (l *Logger) Infof(format string, args ...interface{})

Infof formats similarly to Printf and logs the resulting output at the InfoLevel.

func (*Logger) StackTrace 

func (l *Logger) StackTrace(text string)

StackTrace logs the given text at StackTraceLevel along with the stacktrace.

func (*Logger) Warn 

func (l *Logger) Warn(text string, fields ...Field)

Warn logs the given text and fields at WarnLevel.

func (*Logger) Warnf 

func (l *Logger) Warnf(format string, args ...interface{})

Warnf formats similarly to Printf and logs the resulting output at the WarnLevel.

func (*Logger) With 

func (l *Logger) With(fields ...Field) *Logger

With returns a new logger that comes preset with the given fields.

type Server 

type Server struct {
	DB *badger.DB
}

Server represents a TCP log server.

func (*Server) Run 

func (s *Server) Run(addr string) error

Run instantiates the TCP log server.

Source Files

View all Source files

Directories

Path Synopsis
Package fld provides field constructors with preset key names.
 Package fld provides field constructors with preset key names.

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