mirror of
https://gitee.com/johng/gf.git
synced 2024-12-05 05:37:55 +08:00
253 lines
7.2 KiB
Go
253 lines
7.2 KiB
Go
package sarama
|
|
|
|
import "gitee.com/johng/gf/third/github.com/rcrowley/go-metrics"
|
|
|
|
// RequiredAcks is used in Produce Requests to tell the broker how many replica acknowledgements
|
|
// it must see before responding. Any of the constants defined here are valid. On broker versions
|
|
// prior to 0.8.2.0 any other positive int16 is also valid (the broker will wait for that many
|
|
// acknowledgements) but in 0.8.2.0 and later this will raise an exception (it has been replaced
|
|
// by setting the `min.isr` value in the brokers configuration).
|
|
type RequiredAcks int16
|
|
|
|
const (
|
|
// NoResponse doesn't send any response, the TCP ACK is all you get.
|
|
NoResponse RequiredAcks = 0
|
|
// WaitForLocal waits for only the local commit to succeed before responding.
|
|
WaitForLocal RequiredAcks = 1
|
|
// WaitForAll waits for all in-sync replicas to commit before responding.
|
|
// The minimum number of in-sync replicas is configured on the broker via
|
|
// the `min.insync.replicas` configuration key.
|
|
WaitForAll RequiredAcks = -1
|
|
)
|
|
|
|
type ProduceRequest struct {
|
|
TransactionalID *string
|
|
RequiredAcks RequiredAcks
|
|
Timeout int32
|
|
Version int16 // v1 requires Kafka 0.9, v2 requires Kafka 0.10, v3 requires Kafka 0.11
|
|
records map[string]map[int32]Records
|
|
}
|
|
|
|
func updateMsgSetMetrics(msgSet *MessageSet, compressionRatioMetric metrics.Histogram,
|
|
topicCompressionRatioMetric metrics.Histogram) int64 {
|
|
var topicRecordCount int64
|
|
for _, messageBlock := range msgSet.Messages {
|
|
// Is this a fake "message" wrapping real messages?
|
|
if messageBlock.Msg.Set != nil {
|
|
topicRecordCount += int64(len(messageBlock.Msg.Set.Messages))
|
|
} else {
|
|
// A single uncompressed message
|
|
topicRecordCount++
|
|
}
|
|
// Better be safe than sorry when computing the compression ratio
|
|
if messageBlock.Msg.compressedSize != 0 {
|
|
compressionRatio := float64(len(messageBlock.Msg.Value)) /
|
|
float64(messageBlock.Msg.compressedSize)
|
|
// Histogram do not support decimal values, let's multiple it by 100 for better precision
|
|
intCompressionRatio := int64(100 * compressionRatio)
|
|
compressionRatioMetric.Update(intCompressionRatio)
|
|
topicCompressionRatioMetric.Update(intCompressionRatio)
|
|
}
|
|
}
|
|
return topicRecordCount
|
|
}
|
|
|
|
func updateBatchMetrics(recordBatch *RecordBatch, compressionRatioMetric metrics.Histogram,
|
|
topicCompressionRatioMetric metrics.Histogram) int64 {
|
|
if recordBatch.compressedRecords != nil {
|
|
compressionRatio := int64(float64(recordBatch.recordsLen) / float64(len(recordBatch.compressedRecords)) * 100)
|
|
compressionRatioMetric.Update(compressionRatio)
|
|
topicCompressionRatioMetric.Update(compressionRatio)
|
|
}
|
|
|
|
return int64(len(recordBatch.Records))
|
|
}
|
|
|
|
func (r *ProduceRequest) encode(pe packetEncoder) error {
|
|
if r.Version >= 3 {
|
|
if err := pe.putNullableString(r.TransactionalID); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
pe.putInt16(int16(r.RequiredAcks))
|
|
pe.putInt32(r.Timeout)
|
|
metricRegistry := pe.metricRegistry()
|
|
var batchSizeMetric metrics.Histogram
|
|
var compressionRatioMetric metrics.Histogram
|
|
if metricRegistry != nil {
|
|
batchSizeMetric = getOrRegisterHistogram("batch-size", metricRegistry)
|
|
compressionRatioMetric = getOrRegisterHistogram("compression-ratio", metricRegistry)
|
|
}
|
|
totalRecordCount := int64(0)
|
|
|
|
err := pe.putArrayLength(len(r.records))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
for topic, partitions := range r.records {
|
|
err = pe.putString(topic)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
err = pe.putArrayLength(len(partitions))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
topicRecordCount := int64(0)
|
|
var topicCompressionRatioMetric metrics.Histogram
|
|
if metricRegistry != nil {
|
|
topicCompressionRatioMetric = getOrRegisterTopicHistogram("compression-ratio", topic, metricRegistry)
|
|
}
|
|
for id, records := range partitions {
|
|
startOffset := pe.offset()
|
|
pe.putInt32(id)
|
|
pe.push(&lengthField{})
|
|
err = records.encode(pe)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
err = pe.pop()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if metricRegistry != nil {
|
|
if r.Version >= 3 {
|
|
topicRecordCount += updateBatchMetrics(records.RecordBatch, compressionRatioMetric, topicCompressionRatioMetric)
|
|
} else {
|
|
topicRecordCount += updateMsgSetMetrics(records.MsgSet, compressionRatioMetric, topicCompressionRatioMetric)
|
|
}
|
|
batchSize := int64(pe.offset() - startOffset)
|
|
batchSizeMetric.Update(batchSize)
|
|
getOrRegisterTopicHistogram("batch-size", topic, metricRegistry).Update(batchSize)
|
|
}
|
|
}
|
|
if topicRecordCount > 0 {
|
|
getOrRegisterTopicMeter("record-send-rate", topic, metricRegistry).Mark(topicRecordCount)
|
|
getOrRegisterTopicHistogram("records-per-request", topic, metricRegistry).Update(topicRecordCount)
|
|
totalRecordCount += topicRecordCount
|
|
}
|
|
}
|
|
if totalRecordCount > 0 {
|
|
metrics.GetOrRegisterMeter("record-send-rate", metricRegistry).Mark(totalRecordCount)
|
|
getOrRegisterHistogram("records-per-request", metricRegistry).Update(totalRecordCount)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (r *ProduceRequest) decode(pd packetDecoder, version int16) error {
|
|
r.Version = version
|
|
|
|
if version >= 3 {
|
|
id, err := pd.getNullableString()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
r.TransactionalID = id
|
|
}
|
|
requiredAcks, err := pd.getInt16()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
r.RequiredAcks = RequiredAcks(requiredAcks)
|
|
if r.Timeout, err = pd.getInt32(); err != nil {
|
|
return err
|
|
}
|
|
topicCount, err := pd.getArrayLength()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if topicCount == 0 {
|
|
return nil
|
|
}
|
|
|
|
r.records = make(map[string]map[int32]Records)
|
|
for i := 0; i < topicCount; i++ {
|
|
topic, err := pd.getString()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
partitionCount, err := pd.getArrayLength()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
r.records[topic] = make(map[int32]Records)
|
|
|
|
for j := 0; j < partitionCount; j++ {
|
|
partition, err := pd.getInt32()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
size, err := pd.getInt32()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
recordsDecoder, err := pd.getSubset(int(size))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
var records Records
|
|
if err := records.decode(recordsDecoder); err != nil {
|
|
return err
|
|
}
|
|
r.records[topic][partition] = records
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (r *ProduceRequest) key() int16 {
|
|
return 0
|
|
}
|
|
|
|
func (r *ProduceRequest) version() int16 {
|
|
return r.Version
|
|
}
|
|
|
|
func (r *ProduceRequest) requiredVersion() KafkaVersion {
|
|
switch r.Version {
|
|
case 1:
|
|
return V0_9_0_0
|
|
case 2:
|
|
return V0_10_0_0
|
|
case 3:
|
|
return V0_11_0_0
|
|
default:
|
|
return MinVersion
|
|
}
|
|
}
|
|
|
|
func (r *ProduceRequest) ensureRecords(topic string, partition int32) {
|
|
if r.records == nil {
|
|
r.records = make(map[string]map[int32]Records)
|
|
}
|
|
|
|
if r.records[topic] == nil {
|
|
r.records[topic] = make(map[int32]Records)
|
|
}
|
|
}
|
|
|
|
func (r *ProduceRequest) AddMessage(topic string, partition int32, msg *Message) {
|
|
r.ensureRecords(topic, partition)
|
|
set := r.records[topic][partition].MsgSet
|
|
|
|
if set == nil {
|
|
set = new(MessageSet)
|
|
r.records[topic][partition] = newLegacyRecords(set)
|
|
}
|
|
|
|
set.addMessage(msg)
|
|
}
|
|
|
|
func (r *ProduceRequest) AddSet(topic string, partition int32, set *MessageSet) {
|
|
r.ensureRecords(topic, partition)
|
|
r.records[topic][partition] = newLegacyRecords(set)
|
|
}
|
|
|
|
func (r *ProduceRequest) AddBatch(topic string, partition int32, batch *RecordBatch) {
|
|
r.ensureRecords(topic, partition)
|
|
r.records[topic][partition] = newDefaultRecords(batch)
|
|
}
|