You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
84 lines
3.0 KiB
84 lines
3.0 KiB
package kafka
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"github.com/OpenIMSDK/Open-IM-Server/pkg/common/config"
|
|
"github.com/OpenIMSDK/Open-IM-Server/pkg/common/constant"
|
|
log "github.com/OpenIMSDK/Open-IM-Server/pkg/common/log"
|
|
"github.com/OpenIMSDK/Open-IM-Server/pkg/common/mcontext"
|
|
"github.com/OpenIMSDK/Open-IM-Server/pkg/utils"
|
|
|
|
"github.com/Shopify/sarama"
|
|
"github.com/golang/protobuf/proto"
|
|
|
|
prome "github.com/OpenIMSDK/Open-IM-Server/pkg/common/prome"
|
|
)
|
|
|
|
var emptyMsg = errors.New("binary msg is empty")
|
|
|
|
type Producer struct {
|
|
topic string
|
|
addr []string
|
|
config *sarama.Config
|
|
producer sarama.SyncProducer
|
|
}
|
|
|
|
func NewKafkaProducer(addr []string, topic string) *Producer {
|
|
p := Producer{}
|
|
p.config = sarama.NewConfig() //Instantiate a sarama Config
|
|
p.config.Producer.Return.Successes = true //Whether to enable the successes channel to be notified after the message is sent successfully
|
|
p.config.Producer.Return.Errors = true
|
|
p.config.Producer.RequiredAcks = sarama.WaitForAll //Set producer Message Reply level 0 1 all
|
|
p.config.Producer.Partitioner = sarama.NewHashPartitioner //Set the hash-key automatic hash partition. When sending a message, you must specify the key value of the message. If there is no key, the partition will be selected randomly
|
|
if config.Config.Kafka.SASLUserName != "" && config.Config.Kafka.SASLPassword != "" {
|
|
p.config.Net.SASL.Enable = true
|
|
p.config.Net.SASL.User = config.Config.Kafka.SASLUserName
|
|
p.config.Net.SASL.Password = config.Config.Kafka.SASLPassword
|
|
}
|
|
p.addr = addr
|
|
p.topic = topic
|
|
|
|
producer, err := sarama.NewSyncProducer(p.addr, p.config) //Initialize the client
|
|
if err != nil {
|
|
panic(err.Error())
|
|
return nil
|
|
}
|
|
p.producer = producer
|
|
return &p
|
|
}
|
|
|
|
func (p *Producer) SendMessage(ctx context.Context, key string, m proto.Message) (int32, int64, error) {
|
|
log.ZDebug(ctx, "SendMessage", "key ", key, "msg", m.String())
|
|
kMsg := &sarama.ProducerMessage{}
|
|
kMsg.Topic = p.topic
|
|
kMsg.Key = sarama.StringEncoder(key)
|
|
bMsg, err := proto.Marshal(m)
|
|
if err != nil {
|
|
return 0, 0, utils.Wrap(err, "kafka proto Marshal err")
|
|
}
|
|
if len(bMsg) == 0 {
|
|
return 0, 0, utils.Wrap(emptyMsg, "")
|
|
}
|
|
kMsg.Value = sarama.ByteEncoder(bMsg)
|
|
if kMsg.Key.Length() == 0 || kMsg.Value.Length() == 0 {
|
|
return 0, 0, utils.Wrap(emptyMsg, "")
|
|
}
|
|
kMsg.Metadata = ctx
|
|
operationID, opUserID, platform, connID, err := mcontext.GetMustCtxInfo(ctx)
|
|
if err != nil {
|
|
return 0, 0, utils.Wrap(err, "")
|
|
}
|
|
kMsg.Headers = []sarama.RecordHeader{
|
|
{Key: []byte(constant.OperationID), Value: []byte(operationID)},
|
|
{Key: []byte(constant.OpUserID), Value: []byte(opUserID)},
|
|
{Key: []byte(constant.OpUserPlatform), Value: []byte(platform)},
|
|
{Key: []byte(constant.ConnID), Value: []byte(connID)}}
|
|
partition, offset, err := p.producer.SendMessage(kMsg)
|
|
log.ZDebug(ctx, "ByteEncoder SendMessage end", "key ", kMsg.Key, "key length", kMsg.Value.Length())
|
|
if err == nil {
|
|
prome.Inc(prome.SendMsgCounter)
|
|
}
|
|
return partition, offset, utils.Wrap(err, "")
|
|
}
|