telegraf/plugins/metric.go

63 lines
1.4 KiB
Go

package plugins
import (
"time"
// TODO remove
"github.com/influxdata/influxdb/client/v2"
)
// ValueType is an enumeration of metric types that represent a simple value.
type ValueType int
// Possible values for the ValueType enum.
const (
_ ValueType = iota
Counter
Gauge
Untyped
)
type Metric interface {
Serialize() []byte
String() string // convenience function for string(Serialize())
Copy() Metric
// Split will attempt to return multiple metrics with the same timestamp
// whose string representations are no longer than maxSize.
// Metrics with a single field may exceed the requested size.
Split(maxSize int) []Metric
// Tag functions
HasTag(key string) bool
AddTag(key, value string)
RemoveTag(key string)
// Field functions
HasField(key string) bool
AddField(key string, value interface{})
RemoveField(key string) error
// Name functions
SetName(name string)
SetPrefix(prefix string)
SetSuffix(suffix string)
// Getting data structure functions
Name() string
Tags() map[string]string
Fields() map[string]interface{}
Time() time.Time
UnixNano() int64
Type() ValueType
Len() int // returns the length of the serialized metric, including newline
HashID() uint64
// aggregator things:
SetAggregate(bool)
IsAggregate() bool
// Point returns a influxdb client.Point object
// TODO remove this function
Point() *client.Point
}