382 lines
12 KiB
Go
382 lines
12 KiB
Go
package zerolog
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import (
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"io/ioutil"
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"net"
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"time"
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)
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// Context configures a new sub-logger with contextual fields.
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type Context struct {
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l Logger
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}
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// Logger returns the logger with the context previously set.
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func (c Context) Logger() Logger {
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return c.l
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}
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// Fields is a helper function to use a map to set fields using type assertion.
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func (c Context) Fields(fields map[string]interface{}) Context {
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c.l.context = appendFields(c.l.context, fields)
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return c
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}
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// Dict adds the field key with the dict to the logger context.
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func (c Context) Dict(key string, dict *Event) Context {
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dict.buf = enc.AppendEndMarker(dict.buf)
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c.l.context = append(enc.AppendKey(c.l.context, key), dict.buf...)
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putEvent(dict)
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return c
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}
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// Array adds the field key with an array to the event context.
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// Use zerolog.Arr() to create the array or pass a type that
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// implement the LogArrayMarshaler interface.
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func (c Context) Array(key string, arr LogArrayMarshaler) Context {
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c.l.context = enc.AppendKey(c.l.context, key)
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if arr, ok := arr.(*Array); ok {
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c.l.context = arr.write(c.l.context)
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return c
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}
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var a *Array
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if aa, ok := arr.(*Array); ok {
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a = aa
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} else {
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a = Arr()
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arr.MarshalZerologArray(a)
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}
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c.l.context = a.write(c.l.context)
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return c
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}
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// Object marshals an object that implement the LogObjectMarshaler interface.
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func (c Context) Object(key string, obj LogObjectMarshaler) Context {
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e := newEvent(levelWriterAdapter{ioutil.Discard}, 0)
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e.Object(key, obj)
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c.l.context = enc.AppendObjectData(c.l.context, e.buf)
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putEvent(e)
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return c
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}
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// EmbedObject marshals and Embeds an object that implement the LogObjectMarshaler interface.
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func (c Context) EmbedObject(obj LogObjectMarshaler) Context {
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e := newEvent(levelWriterAdapter{ioutil.Discard}, 0)
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e.EmbedObject(obj)
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c.l.context = enc.AppendObjectData(c.l.context, e.buf)
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putEvent(e)
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return c
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}
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// Str adds the field key with val as a string to the logger context.
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func (c Context) Str(key, val string) Context {
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c.l.context = enc.AppendString(enc.AppendKey(c.l.context, key), val)
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return c
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}
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// Strs adds the field key with val as a string to the logger context.
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func (c Context) Strs(key string, vals []string) Context {
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c.l.context = enc.AppendStrings(enc.AppendKey(c.l.context, key), vals)
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return c
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}
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// Bytes adds the field key with val as a []byte to the logger context.
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func (c Context) Bytes(key string, val []byte) Context {
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c.l.context = enc.AppendBytes(enc.AppendKey(c.l.context, key), val)
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return c
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}
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// Hex adds the field key with val as a hex string to the logger context.
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func (c Context) Hex(key string, val []byte) Context {
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c.l.context = enc.AppendHex(enc.AppendKey(c.l.context, key), val)
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return c
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}
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// RawJSON adds already encoded JSON to context.
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//
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// No sanity check is performed on b; it must not contain carriage returns and
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// be valid JSON.
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func (c Context) RawJSON(key string, b []byte) Context {
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c.l.context = appendJSON(enc.AppendKey(c.l.context, key), b)
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return c
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}
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// AnErr adds the field key with serialized err to the logger context.
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func (c Context) AnErr(key string, err error) Context {
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marshaled := ErrorMarshalFunc(err)
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switch m := marshaled.(type) {
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case nil:
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return c
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case LogObjectMarshaler:
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return c.Object(key, m)
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case error:
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return c.Str(key, m.Error())
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case string:
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return c.Str(key, m)
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default:
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return c.Interface(key, m)
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}
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}
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// Errs adds the field key with errs as an array of serialized errors to the
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// logger context.
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func (c Context) Errs(key string, errs []error) Context {
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arr := Arr()
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for _, err := range errs {
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marshaled := ErrorMarshalFunc(err)
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switch m := marshaled.(type) {
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case LogObjectMarshaler:
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arr = arr.Object(m)
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case error:
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arr = arr.Str(m.Error())
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case string:
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arr = arr.Str(m)
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default:
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arr = arr.Interface(m)
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}
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}
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return c.Array(key, arr)
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}
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// Err adds the field "error" with serialized err to the logger context.
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func (c Context) Err(err error) Context {
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return c.AnErr(ErrorFieldName, err)
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}
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// Bool adds the field key with val as a bool to the logger context.
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func (c Context) Bool(key string, b bool) Context {
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c.l.context = enc.AppendBool(enc.AppendKey(c.l.context, key), b)
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return c
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}
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// Bools adds the field key with val as a []bool to the logger context.
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func (c Context) Bools(key string, b []bool) Context {
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c.l.context = enc.AppendBools(enc.AppendKey(c.l.context, key), b)
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return c
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}
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// Int adds the field key with i as a int to the logger context.
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func (c Context) Int(key string, i int) Context {
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c.l.context = enc.AppendInt(enc.AppendKey(c.l.context, key), i)
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return c
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}
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// Ints adds the field key with i as a []int to the logger context.
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func (c Context) Ints(key string, i []int) Context {
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c.l.context = enc.AppendInts(enc.AppendKey(c.l.context, key), i)
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return c
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}
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// Int8 adds the field key with i as a int8 to the logger context.
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func (c Context) Int8(key string, i int8) Context {
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c.l.context = enc.AppendInt8(enc.AppendKey(c.l.context, key), i)
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return c
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}
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// Ints8 adds the field key with i as a []int8 to the logger context.
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func (c Context) Ints8(key string, i []int8) Context {
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c.l.context = enc.AppendInts8(enc.AppendKey(c.l.context, key), i)
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return c
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}
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// Int16 adds the field key with i as a int16 to the logger context.
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func (c Context) Int16(key string, i int16) Context {
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c.l.context = enc.AppendInt16(enc.AppendKey(c.l.context, key), i)
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return c
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}
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// Ints16 adds the field key with i as a []int16 to the logger context.
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func (c Context) Ints16(key string, i []int16) Context {
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c.l.context = enc.AppendInts16(enc.AppendKey(c.l.context, key), i)
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return c
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}
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// Int32 adds the field key with i as a int32 to the logger context.
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func (c Context) Int32(key string, i int32) Context {
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c.l.context = enc.AppendInt32(enc.AppendKey(c.l.context, key), i)
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return c
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}
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// Ints32 adds the field key with i as a []int32 to the logger context.
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func (c Context) Ints32(key string, i []int32) Context {
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c.l.context = enc.AppendInts32(enc.AppendKey(c.l.context, key), i)
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return c
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}
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// Int64 adds the field key with i as a int64 to the logger context.
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func (c Context) Int64(key string, i int64) Context {
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c.l.context = enc.AppendInt64(enc.AppendKey(c.l.context, key), i)
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return c
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}
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// Ints64 adds the field key with i as a []int64 to the logger context.
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func (c Context) Ints64(key string, i []int64) Context {
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c.l.context = enc.AppendInts64(enc.AppendKey(c.l.context, key), i)
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return c
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}
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// Uint adds the field key with i as a uint to the logger context.
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func (c Context) Uint(key string, i uint) Context {
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c.l.context = enc.AppendUint(enc.AppendKey(c.l.context, key), i)
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return c
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}
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// Uints adds the field key with i as a []uint to the logger context.
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func (c Context) Uints(key string, i []uint) Context {
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c.l.context = enc.AppendUints(enc.AppendKey(c.l.context, key), i)
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return c
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}
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// Uint8 adds the field key with i as a uint8 to the logger context.
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func (c Context) Uint8(key string, i uint8) Context {
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c.l.context = enc.AppendUint8(enc.AppendKey(c.l.context, key), i)
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return c
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}
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// Uints8 adds the field key with i as a []uint8 to the logger context.
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func (c Context) Uints8(key string, i []uint8) Context {
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c.l.context = enc.AppendUints8(enc.AppendKey(c.l.context, key), i)
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return c
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}
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// Uint16 adds the field key with i as a uint16 to the logger context.
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func (c Context) Uint16(key string, i uint16) Context {
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c.l.context = enc.AppendUint16(enc.AppendKey(c.l.context, key), i)
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return c
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}
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// Uints16 adds the field key with i as a []uint16 to the logger context.
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func (c Context) Uints16(key string, i []uint16) Context {
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c.l.context = enc.AppendUints16(enc.AppendKey(c.l.context, key), i)
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return c
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}
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// Uint32 adds the field key with i as a uint32 to the logger context.
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func (c Context) Uint32(key string, i uint32) Context {
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c.l.context = enc.AppendUint32(enc.AppendKey(c.l.context, key), i)
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return c
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}
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// Uints32 adds the field key with i as a []uint32 to the logger context.
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func (c Context) Uints32(key string, i []uint32) Context {
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c.l.context = enc.AppendUints32(enc.AppendKey(c.l.context, key), i)
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return c
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}
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// Uint64 adds the field key with i as a uint64 to the logger context.
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func (c Context) Uint64(key string, i uint64) Context {
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c.l.context = enc.AppendUint64(enc.AppendKey(c.l.context, key), i)
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return c
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}
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// Uints64 adds the field key with i as a []uint64 to the logger context.
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func (c Context) Uints64(key string, i []uint64) Context {
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c.l.context = enc.AppendUints64(enc.AppendKey(c.l.context, key), i)
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return c
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}
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// Float32 adds the field key with f as a float32 to the logger context.
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func (c Context) Float32(key string, f float32) Context {
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c.l.context = enc.AppendFloat32(enc.AppendKey(c.l.context, key), f)
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return c
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}
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// Floats32 adds the field key with f as a []float32 to the logger context.
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func (c Context) Floats32(key string, f []float32) Context {
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c.l.context = enc.AppendFloats32(enc.AppendKey(c.l.context, key), f)
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return c
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}
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// Float64 adds the field key with f as a float64 to the logger context.
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func (c Context) Float64(key string, f float64) Context {
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c.l.context = enc.AppendFloat64(enc.AppendKey(c.l.context, key), f)
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return c
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}
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// Floats64 adds the field key with f as a []float64 to the logger context.
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func (c Context) Floats64(key string, f []float64) Context {
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c.l.context = enc.AppendFloats64(enc.AppendKey(c.l.context, key), f)
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return c
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}
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type timestampHook struct{}
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func (ts timestampHook) Run(e *Event, level Level, msg string) {
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e.Timestamp()
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}
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var th = timestampHook{}
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// Timestamp adds the current local time as UNIX timestamp to the logger context with the "time" key.
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// To customize the key name, change zerolog.TimestampFieldName.
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//
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// NOTE: It won't dedupe the "time" key if the *Context has one already.
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func (c Context) Timestamp() Context {
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c.l = c.l.Hook(th)
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return c
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}
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// Time adds the field key with t formated as string using zerolog.TimeFieldFormat.
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func (c Context) Time(key string, t time.Time) Context {
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c.l.context = enc.AppendTime(enc.AppendKey(c.l.context, key), t, TimeFieldFormat)
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return c
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}
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// Times adds the field key with t formated as string using zerolog.TimeFieldFormat.
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func (c Context) Times(key string, t []time.Time) Context {
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c.l.context = enc.AppendTimes(enc.AppendKey(c.l.context, key), t, TimeFieldFormat)
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return c
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}
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// Dur adds the fields key with d divided by unit and stored as a float.
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func (c Context) Dur(key string, d time.Duration) Context {
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c.l.context = enc.AppendDuration(enc.AppendKey(c.l.context, key), d, DurationFieldUnit, DurationFieldInteger)
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return c
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}
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// Durs adds the fields key with d divided by unit and stored as a float.
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func (c Context) Durs(key string, d []time.Duration) Context {
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c.l.context = enc.AppendDurations(enc.AppendKey(c.l.context, key), d, DurationFieldUnit, DurationFieldInteger)
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return c
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}
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// Interface adds the field key with obj marshaled using reflection.
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func (c Context) Interface(key string, i interface{}) Context {
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c.l.context = enc.AppendInterface(enc.AppendKey(c.l.context, key), i)
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return c
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}
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type callerHook struct{}
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func (ch callerHook) Run(e *Event, level Level, msg string) {
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// Three extra frames to skip (added by hook infra).
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e.caller(CallerSkipFrameCount + 3)
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}
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var ch = callerHook{}
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// Caller adds the file:line of the caller with the zerolog.CallerFieldName key.
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func (c Context) Caller() Context {
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c.l = c.l.Hook(ch)
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return c
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}
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// IPAddr adds IPv4 or IPv6 Address to the context
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func (c Context) IPAddr(key string, ip net.IP) Context {
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c.l.context = enc.AppendIPAddr(enc.AppendKey(c.l.context, key), ip)
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return c
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}
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// IPPrefix adds IPv4 or IPv6 Prefix (address and mask) to the context
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func (c Context) IPPrefix(key string, pfx net.IPNet) Context {
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c.l.context = enc.AppendIPPrefix(enc.AppendKey(c.l.context, key), pfx)
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return c
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}
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// MACAddr adds MAC address to the context
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func (c Context) MACAddr(key string, ha net.HardwareAddr) Context {
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c.l.context = enc.AppendMACAddr(enc.AppendKey(c.l.context, key), ha)
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return c
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}
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