telegraf/plugins/parsers/influx/handler.go

106 lines
2.3 KiB
Go

package influx
import (
"bytes"
"time"
"github.com/influxdata/telegraf"
"github.com/influxdata/telegraf/metric"
"github.com/prometheus/common/log"
)
type MetricHandler struct {
builder *metric.Builder
metrics []telegraf.Metric
precision time.Duration
}
func NewMetricHandler() *MetricHandler {
return &MetricHandler{
builder: metric.NewBuilder(),
precision: time.Nanosecond,
}
}
func (h *MetricHandler) SetTimeFunc(f metric.TimeFunc) {
h.builder.TimeFunc = f
}
func (h *MetricHandler) SetPrecision(factor time.Duration) {
h.precision = factor
}
func (h *MetricHandler) Metric() (telegraf.Metric, error) {
return h.builder.Metric()
}
func (h *MetricHandler) SetMeasurement(name []byte) {
h.builder.SetName(nameUnescape(name))
}
func (h *MetricHandler) AddTag(key []byte, value []byte) {
tk := unescape(key)
tv := unescape(value)
h.builder.AddTag(tk, tv)
}
func (h *MetricHandler) AddInt(key []byte, value []byte) {
fk := unescape(key)
fv, err := parseIntBytes(bytes.TrimSuffix(value, []byte("i")), 10, 64)
if err != nil {
log.Errorf("E! Received unparseable int value: %q", value)
return
}
h.builder.AddField(fk, fv)
}
func (h *MetricHandler) AddUint(key []byte, value []byte) {
fk := unescape(key)
fv, err := parseUintBytes(bytes.TrimSuffix(value, []byte("u")), 10, 64)
if err != nil {
log.Errorf("E! Received unparseable uint value: %q", value)
return
}
h.builder.AddField(fk, fv)
}
func (h *MetricHandler) AddFloat(key []byte, value []byte) {
fk := unescape(key)
fv, err := parseFloatBytes(value, 64)
if err != nil {
log.Errorf("E! Received unparseable float value: %q", value)
return
}
h.builder.AddField(fk, fv)
}
func (h *MetricHandler) AddString(key []byte, value []byte) {
fk := unescape(key)
fv := stringFieldUnescape(value)
h.builder.AddField(fk, fv)
}
func (h *MetricHandler) AddBool(key []byte, value []byte) {
fk := unescape(key)
fv, err := parseBoolBytes(value)
if err != nil {
log.Errorf("E! Received unparseable boolean value: %q", value)
return
}
h.builder.AddField(fk, fv)
}
func (h *MetricHandler) SetTimestamp(tm []byte) {
v, err := parseIntBytes(tm, 10, 64)
if err != nil {
log.Errorf("E! Received unparseable timestamp: %q", tm)
return
}
ns := v * int64(h.precision)
h.builder.SetTime(time.Unix(0, ns))
}
func (h *MetricHandler) Reset() {
h.builder.Reset()
}