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|
package zerolog
import (
"bytes"
"encoding/json"
"strconv"
"sync/atomic"
"time"
)
const (
// TimeFormatUnix defines a time format that makes time fields to be
// serialized as Unix timestamp integers.
TimeFormatUnix = ""
// TimeFormatUnixMs defines a time format that makes time fields to be
// serialized as Unix timestamp integers in milliseconds.
TimeFormatUnixMs = "UNIXMS"
// TimeFormatUnixMicro defines a time format that makes time fields to be
// serialized as Unix timestamp integers in microseconds.
TimeFormatUnixMicro = "UNIXMICRO"
// TimeFormatUnixNano defines a time format that makes time fields to be
// serialized as Unix timestamp integers in nanoseconds.
TimeFormatUnixNano = "UNIXNANO"
)
var (
// TimestampFieldName is the field name used for the timestamp field.
TimestampFieldName = "time"
// LevelFieldName is the field name used for the level field.
LevelFieldName = "level"
// LevelTraceValue is the value used for the trace level field.
LevelTraceValue = "trace"
// LevelDebugValue is the value used for the debug level field.
LevelDebugValue = "debug"
// LevelInfoValue is the value used for the info level field.
LevelInfoValue = "info"
// LevelWarnValue is the value used for the warn level field.
LevelWarnValue = "warn"
// LevelErrorValue is the value used for the error level field.
LevelErrorValue = "error"
// LevelFatalValue is the value used for the fatal level field.
LevelFatalValue = "fatal"
// LevelPanicValue is the value used for the panic level field.
LevelPanicValue = "panic"
// LevelFieldMarshalFunc allows customization of global level field marshaling.
LevelFieldMarshalFunc = func(l Level) string {
return l.String()
}
// MessageFieldName is the field name used for the message field.
MessageFieldName = "message"
// ErrorFieldName is the field name used for error fields.
ErrorFieldName = "error"
// CallerFieldName is the field name used for caller field.
CallerFieldName = "caller"
// CallerSkipFrameCount is the number of stack frames to skip to find the caller.
CallerSkipFrameCount = 2
// CallerMarshalFunc allows customization of global caller marshaling
CallerMarshalFunc = func(pc uintptr, file string, line int) string {
return file + ":" + strconv.Itoa(line)
}
// ErrorStackFieldName is the field name used for error stacks.
ErrorStackFieldName = "stack"
// ErrorStackMarshaler extract the stack from err if any.
ErrorStackMarshaler func(err error) interface{}
// ErrorMarshalFunc allows customization of global error marshaling
ErrorMarshalFunc = func(err error) interface{} {
return err
}
// InterfaceMarshalFunc allows customization of interface marshaling.
// Default: "encoding/json.Marshal" with disabled HTML escaping
InterfaceMarshalFunc = func(v interface{}) ([]byte, error) {
var buf bytes.Buffer
encoder := json.NewEncoder(&buf)
encoder.SetEscapeHTML(false)
err := encoder.Encode(v)
if err != nil {
return nil, err
}
b := buf.Bytes()
if len(b) > 0 {
// Remove trailing \n which is added by Encode.
return b[:len(b)-1], nil
}
return b, nil
}
// TimeFieldFormat defines the time format of the Time field type. If set to
// TimeFormatUnix, TimeFormatUnixMs, TimeFormatUnixMicro or TimeFormatUnixNano, the time is formatted as a UNIX
// timestamp as integer.
TimeFieldFormat = time.RFC3339
// TimestampFunc defines the function called to generate a timestamp.
TimestampFunc = time.Now
// DurationFieldUnit defines the unit for time.Duration type fields added
// using the Dur method.
DurationFieldUnit = time.Millisecond
// DurationFieldInteger renders Dur fields as integer instead of float if
// set to true.
DurationFieldInteger = false
// ErrorHandler is called whenever zerolog fails to write an event on its
// output. If not set, an error is printed on the stderr. This handler must
// be thread safe and non-blocking.
ErrorHandler func(err error)
// DefaultContextLogger is returned from Ctx() if there is no logger associated
// with the context.
DefaultContextLogger *Logger
// LevelColors are used by ConsoleWriter's consoleDefaultFormatLevel to color
// log levels.
LevelColors = map[Level]int{
TraceLevel: colorBlue,
DebugLevel: 0,
InfoLevel: colorGreen,
WarnLevel: colorYellow,
ErrorLevel: colorRed,
FatalLevel: colorRed,
PanicLevel: colorRed,
}
// FormattedLevels are used by ConsoleWriter's consoleDefaultFormatLevel
// for a short level name.
FormattedLevels = map[Level]string{
TraceLevel: "TRC",
DebugLevel: "DBG",
InfoLevel: "INF",
WarnLevel: "WRN",
ErrorLevel: "ERR",
FatalLevel: "FTL",
PanicLevel: "PNC",
}
// TriggerLevelWriterBufferReuseLimit is a limit in bytes that a buffer is dropped
// from the TriggerLevelWriter buffer pool if the buffer grows above the limit.
TriggerLevelWriterBufferReuseLimit = 64 * 1024
// FloatingPointPrecision, if set to a value other than -1, controls the number
// of digits when formatting float numbers in JSON. See strconv.FormatFloat for
// more details.
FloatingPointPrecision = -1
)
var (
gLevel = new(int32)
disableSampling = new(int32)
)
// SetGlobalLevel sets the global override for log level. If this
// values is raised, all Loggers will use at least this value.
//
// To globally disable logs, set GlobalLevel to Disabled.
func SetGlobalLevel(l Level) {
atomic.StoreInt32(gLevel, int32(l))
}
// GlobalLevel returns the current global log level
func GlobalLevel() Level {
return Level(atomic.LoadInt32(gLevel))
}
// DisableSampling will disable sampling in all Loggers if true.
func DisableSampling(v bool) {
var i int32
if v {
i = 1
}
atomic.StoreInt32(disableSampling, i)
}
func samplingDisabled() bool {
return atomic.LoadInt32(disableSampling) == 1
}
|
