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fields.go
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665 lines (538 loc) · 10.3 KB
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package logger
import (
"encoding/hex"
"encoding/json"
"fmt"
"reflect"
"strconv"
)
const (
JSONNull = "null"
)
type Field interface {
Name() string
ValueJSON() string
}
type StringField struct {
name string
value string
}
func (f StringField) Name() string {
return f.name
}
func (f StringField) ValueJSON() string {
return strconv.Quote(f.value)
}
func String(name string, value string) *StringField {
return &StringField{
name: name,
value: value,
}
}
type StringPtrField struct {
name string
value *string
}
func (f StringPtrField) Name() string {
return f.name
}
func (f StringPtrField) ValueJSON() string {
if f.value == nil {
return JSONNull
}
return strconv.Quote(*f.value)
}
func StringPtr(name string, value *string) *StringPtrField {
return &StringPtrField{
name: name,
value: value,
}
}
type JSONMarshallerField struct {
name string
value json.Marshaler
}
func (f JSONMarshallerField) Name() string {
return f.name
}
func (f JSONMarshallerField) ValueJSON() string {
if IsNil(f.value) {
return JSONNull
}
b, err := f.value.MarshalJSON()
if err != nil {
return fmt.Sprintf("\"JSON Convert Failed : %s\"", err)
}
return string(b)
}
func Marshaler(name string, value json.Marshaler) *JSONMarshallerField {
return &JSONMarshallerField{
name: name,
value: value,
}
}
type JSONField struct {
name string
value interface{}
}
func (f JSONField) Name() string {
return f.name
}
func (f JSONField) ValueJSON() string {
if IsNil(f.value) {
return JSONNull
}
b, err := json.Marshal(f.value)
if err != nil {
return fmt.Sprintf("\"JSON Convert Failed : %s\"", err)
}
return string(b)
}
func JSON(name string, value interface{}) *JSONField {
return &JSONField{
name: name,
value: value,
}
}
type StringerField struct {
name string
value fmt.Stringer
}
func (f StringerField) Name() string {
return f.name
}
func (f StringerField) ValueJSON() string {
if IsNil(f.value) {
return JSONNull
}
return strconv.Quote(f.value.String())
}
func Stringer(name string, value fmt.Stringer) *StringerField {
return &StringerField{
name: name,
value: value,
}
}
type IntField struct {
name string
value int64
}
func (f IntField) Name() string {
return f.name
}
func (f IntField) ValueJSON() string {
return fmt.Sprintf("%d", f.value)
}
func Int(name string, value int) *IntField {
return &IntField{
name: name,
value: int64(value),
}
}
func Int8(name string, value int8) *IntField {
return &IntField{
name: name,
value: int64(value),
}
}
func Int16(name string, value int16) *IntField {
return &IntField{
name: name,
value: int64(value),
}
}
func Int32(name string, value int32) *IntField {
return &IntField{
name: name,
value: int64(value),
}
}
func Int64(name string, value int64) *IntField {
return &IntField{
name: name,
value: value,
}
}
type UintField struct {
name string
value uint64
}
func (f UintField) Name() string {
return f.name
}
func (f UintField) ValueJSON() string {
return fmt.Sprintf("%d", f.value)
}
func Uint(name string, value uint) *UintField {
return &UintField{
name: name,
value: uint64(value),
}
}
func Uint8(name string, value uint8) *UintField {
return &UintField{
name: name,
value: uint64(value),
}
}
func Uint16(name string, value uint16) *UintField {
return &UintField{
name: name,
value: uint64(value),
}
}
func Uint32(name string, value uint32) *UintField {
return &UintField{
name: name,
value: uint64(value),
}
}
func Uint64(name string, value uint64) *UintField {
return &UintField{
name: name,
value: value,
}
}
type BoolField struct {
name string
value bool
}
func (f BoolField) Name() string {
return f.name
}
func (f BoolField) ValueJSON() string {
if f.value {
return "true"
} else {
return "false"
}
}
func Bool(name string, value bool) *BoolField {
return &BoolField{
name: name,
value: value,
}
}
type Float32Field struct {
name string
value float32
}
func (f Float32Field) Name() string {
return f.name
}
func (f Float32Field) ValueJSON() string {
return fmt.Sprintf("%f", f.value)
}
func Float32(name string, value float32) *Float32Field {
return &Float32Field{
name: name,
value: value,
}
}
type Float64Field struct {
name string
value float64
}
func (f Float64Field) Name() string {
return f.name
}
func (f Float64Field) ValueJSON() string {
return fmt.Sprintf("%f", f.value)
}
func Float64(name string, value float64) *Float64Field {
return &Float64Field{
name: name,
value: value,
}
}
type FormatterField struct {
name string
format string
values []interface{}
}
func (f FormatterField) Name() string {
return f.name
}
func (f FormatterField) ValueJSON() string {
return strconv.Quote(fmt.Sprintf(f.format, f.values...))
}
func Formatter(name string, format string, values ...interface{}) *FormatterField {
return &FormatterField{
name: name,
format: format,
values: values,
}
}
type UintListField struct {
name string
values []uint64
}
func (f UintListField) Name() string {
return f.name
}
func (f UintListField) ValueJSON() string {
result := "["
for i, v := range f.values {
if i != 0 {
result += ","
}
result += strconv.FormatUint(v, 10)
}
result += "]"
return result
}
func Uints(name string, values []uint) *UintListField {
result := &UintListField{
name: name,
}
for _, value := range values {
result.values = append(result.values, uint64(value))
}
return result
}
func Uint8s(name string, values []uint8) *UintListField {
result := &UintListField{
name: name,
}
for _, value := range values {
result.values = append(result.values, uint64(value))
}
return result
}
func Uint16s(name string, values []uint16) *UintListField {
result := &UintListField{
name: name,
}
for _, value := range values {
result.values = append(result.values, uint64(value))
}
return result
}
func Uint32s(name string, values []uint32) *UintListField {
result := &UintListField{
name: name,
}
for _, value := range values {
result.values = append(result.values, uint64(value))
}
return result
}
func Uint64s(name string, values []uint64) *UintListField {
return &UintListField{
name: name,
values: values,
}
}
type FloatListField struct {
name string
values []float64
}
func (f FloatListField) Name() string {
return f.name
}
func (f FloatListField) ValueJSON() string {
result := "["
for i, v := range f.values {
if i != 0 {
result += ","
}
result += fmt.Sprintf("%f", v)
}
result += "]"
return result
}
func Float32s(name string, values []float32) *FloatListField {
result := &FloatListField{
name: name,
}
for _, value := range values {
result.values = append(result.values, float64(value))
}
return result
}
func Float64s(name string, values []float64) *FloatListField {
return &FloatListField{
name: name,
values: values,
}
}
type StringersField struct {
name string
values []fmt.Stringer
}
func (f StringersField) Name() string {
return f.name
}
func (f StringersField) ValueJSON() string {
result := "["
for i, v := range f.values {
if i != 0 {
result += ","
}
if IsNil(v) {
result += JSONNull
continue
}
result += strconv.Quote(v.String())
}
result += "]"
return result
}
func Stringers(name string, values []fmt.Stringer) *StringersField {
return &StringersField{
name: name,
values: values,
}
}
type StringsField struct {
name string
values []string
}
func (f StringsField) Name() string {
return f.name
}
func (f StringsField) ValueJSON() string {
result := "["
for i, v := range f.values {
if i != 0 {
result += ","
}
result += strconv.Quote(v)
}
result += "]"
return result
}
func Strings(name string, values []string) *StringsField {
return &StringsField{
name: name,
values: values,
}
}
type JSONMarshallersField struct {
name string
values []json.Marshaler
}
func (f JSONMarshallersField) Name() string {
return f.name
}
func (f JSONMarshallersField) ValueJSON() string {
result := "["
for i, v := range f.values {
if i != 0 {
result += ","
}
if IsNil(v) {
result += JSONNull
continue
}
b, err := v.MarshalJSON()
if err != nil {
return fmt.Sprintf("\"JSON Convert Failed : %s\"", err)
}
result += string(b)
}
result += "]"
return result
}
func Marshalers(name string, values []json.Marshaler) *JSONMarshallersField {
return &JSONMarshallersField{
name: name,
values: values,
}
}
type JSONsField struct {
name string
values []interface{}
}
func (f JSONsField) Name() string {
return f.name
}
func (f JSONsField) ValueJSON() string {
result := "["
for i, v := range f.values {
if i != 0 {
result += ","
}
if IsNil(v) {
result += JSONNull
continue
}
b, err := json.Marshal(v)
if err != nil {
return fmt.Sprintf("\"JSON Convert Failed : %s\"", err)
}
result += string(b)
}
result += "]"
return result
}
func JSONs(name string, values []interface{}) *JSONsField {
return &JSONsField{
name: name,
values: values,
}
}
type HexField struct {
name string
value []byte
}
func (f HexField) Name() string {
return f.name
}
func (f HexField) ValueJSON() string {
return strconv.Quote(hex.EncodeToString(f.value))
}
func Hex(name string, value []byte) *HexField {
return &HexField{
name: name,
value: value,
}
}
type MillisecondsField struct {
name string
value float64
}
func (f MillisecondsField) Name() string {
return f.name
}
func (f MillisecondsField) ValueJSON() string {
return fmt.Sprintf("%06f", f.value)
}
func MillisecondsFromNano(name string, value int64) *MillisecondsField {
return &MillisecondsField{
name: name,
value: float64(value) / 1e6,
}
}
func Milliseconds(name string, value float64) *MillisecondsField {
return &MillisecondsField{
name: name,
value: value,
}
}
type TimestampField struct {
name string
value float64 // seconds since epoch
}
func (f TimestampField) Name() string {
return f.name
}
func (f TimestampField) ValueJSON() string {
return fmt.Sprintf("%06f", f.value)
}
func Timestamp(name string, nanosecondsSinceEpoch int64) *TimestampField {
return &TimestampField{
name: name,
value: float64(nanosecondsSinceEpoch) / 1e9,
}
}
func IsNil(a interface{}) bool {
if a == nil {
return true
}
value := reflect.ValueOf(a)
if value.Kind() == reflect.Ptr && value.IsNil() {
return true
}
return false
}