Use not a pointer to line-protocol.Encoder

This commit is contained in:
Thomas Röhl 2023-07-17 18:02:50 +02:00
parent 34bc23fbbd
commit ef49701f14

View File

@ -16,7 +16,7 @@ import (
type HttpSinkConfig struct {
defaultSinkConfig
URL string `json:"url,omitempty"`
URL string `json:"url"`
JWT string `json:"jwt,omitempty"`
Timeout string `json:"timeout,omitempty"`
IdleConnTimeout string `json:"idle_connection_timeout,omitempty"`
@ -26,10 +26,10 @@ type HttpSinkConfig struct {
type HttpSink struct {
sink
client *http.Client
encoder *influx.Encoder
lock sync.Mutex // Flush() runs in another goroutine, so this lock has to protect the buffer
buffer *bytes.Buffer
client *http.Client
encoder influx.Encoder
lock sync.Mutex // Flush() runs in another goroutine, so this lock has to protect the buffer
//buffer *bytes.Buffer
flushTimer *time.Timer
config HttpSinkConfig
idleConnTimeout time.Duration
@ -38,20 +38,29 @@ type HttpSink struct {
}
func (s *HttpSink) Write(m lp.CCMetric) error {
var err error = nil
var firstWriteOfBatch bool = false
p := m.ToPoint(s.meta_as_tags)
s.lock.Lock()
firstWriteOfBatch := s.buffer.Len() == 0
s.encoder.StartLine(p.Name())
for _, v := range p.TagList() {
s.encoder.AddTag(v.Key, v.Value)
firstWriteOfBatch = len(s.encoder.Bytes()) == 0
v, ok := m.GetField("value")
if ok {
s.encoder.StartLine(p.Name())
for _, v := range p.TagList() {
s.encoder.AddTag(v.Key, v.Value)
}
s.encoder.AddField("value", influx.MustNewValue(v))
s.encoder.EndLine(p.Time())
err = s.encoder.Err()
if err != nil {
cclog.ComponentError(s.name, "encoding failed:", err.Error())
s.lock.Unlock()
return err
}
}
s.encoder.EndLine(p.Time())
err := s.encoder.Err()
s.lock.Unlock()
if err != nil {
cclog.ComponentError(s.name, "encoding failed:", err.Error())
return err
}
if s.flushDelay == 0 {
return s.Flush()
@ -75,9 +84,9 @@ func (s *HttpSink) Write(m lp.CCMetric) error {
func (s *HttpSink) Flush() error {
// Own lock for as short as possible: the time it takes to copy the buffer.
s.lock.Lock()
buf := make([]byte, s.buffer.Len())
copy(buf, s.buffer.Bytes())
s.buffer.Reset()
buf := make([]byte, len(s.encoder.Bytes()))
copy(buf, s.encoder.Bytes())
s.encoder.Reset()
s.lock.Unlock()
if len(buf) == 0 {
return nil
@ -139,6 +148,7 @@ func NewHttpSink(name string, config json.RawMessage) (Sink, error) {
s.config.Timeout = "5s"
s.config.FlushDelay = "5s"
s.config.MaxRetries = 3
cclog.ComponentDebug(s.name, "init")
// Read config
if len(config) > 0 {
@ -153,6 +163,7 @@ func NewHttpSink(name string, config json.RawMessage) (Sink, error) {
if len(s.config.IdleConnTimeout) > 0 {
t, err := time.ParseDuration(s.config.IdleConnTimeout)
if err == nil {
cclog.ComponentDebug(s.name, "idleConnTimeout", t)
s.idleConnTimeout = t
}
}
@ -160,12 +171,14 @@ func NewHttpSink(name string, config json.RawMessage) (Sink, error) {
t, err := time.ParseDuration(s.config.Timeout)
if err == nil {
s.timeout = t
cclog.ComponentDebug(s.name, "timeout", t)
}
}
if len(s.config.FlushDelay) > 0 {
t, err := time.ParseDuration(s.config.FlushDelay)
if err == nil {
s.flushDelay = t
cclog.ComponentDebug(s.name, "flushDelay", t)
}
}
// Create lookup map to use meta infos as tags in the output metric
@ -178,8 +191,6 @@ func NewHttpSink(name string, config json.RawMessage) (Sink, error) {
IdleConnTimeout: s.idleConnTimeout,
}
s.client = &http.Client{Transport: tr, Timeout: s.timeout}
s.buffer = &bytes.Buffer{}
s.encoder.SetPrecision(influx.Second)
s.encoder.SetBuffer(s.buffer.Bytes())
return s, nil
}