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.
Open-IM-Server/pkg/common/kafka/producer.go

138 lines
4.5 KiB

// Copyright © 2023 OpenIM. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package kafka
import (
"context"
"errors"
"time"
"github.com/OpenIMSDK/protocol/constant"
log "github.com/OpenIMSDK/tools/log"
"github.com/OpenIMSDK/tools/mcontext"
"github.com/OpenIMSDK/tools/utils"
"github.com/OpenIMSDK/Open-IM-Server/pkg/common/config"
"github.com/Shopify/sarama"
"google.golang.org/protobuf/proto"
prome "github.com/OpenIMSDK/Open-IM-Server/pkg/common/prome"
)
const (
maxRetry = 10 // number of retries
)
var errEmptyMsg = errors.New("binary msg is empty")
type Producer struct {
topic string
addr []string
config *sarama.Config
producer sarama.SyncProducer
}
// NewKafkaProducer Initialize kafka producer.
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.Username != "" && config.Config.Kafka.Password != "" {
p.config.Net.SASL.Enable = true
p.config.Net.SASL.User = config.Config.Kafka.Username
p.config.Net.SASL.Password = config.Config.Kafka.Password
}
p.addr = addr
p.topic = topic
var producer sarama.SyncProducer
var err error
for i := 0; i <= maxRetry; i++ {
producer, err = sarama.NewSyncProducer(p.addr, p.config) // Initialize the client
if err == nil {
p.producer = producer
return &p
}
//TODO If the password is wrong, exit directly
//if packetErr, ok := err.(*sarama.PacketEncodingError); ok {
//if _, ok := packetErr.Err.(sarama.AuthenticationError); ok {
// fmt.Println("Kafka password is wrong.")
//}
//} else {
// fmt.Printf("Failed to create Kafka producer: %v\n", err)
//}
time.Sleep(time.Duration(1) * time.Second)
}
if err != nil {
panic(err.Error())
}
p.producer = producer
return &p
}
func GetMQHeaderWithContext(ctx context.Context) ([]sarama.RecordHeader, error) {
operationID, opUserID, platform, connID, err := mcontext.GetCtxInfos(ctx)
if err != nil {
return nil, err
}
return []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)},
}, err
}
func GetContextWithMQHeader(header []*sarama.RecordHeader) context.Context {
var values []string
for _, recordHeader := range header {
values = append(values, string(recordHeader.Value))
}
return mcontext.WithMustInfoCtx(values) // TODO
}
func (p *Producer) SendMessage(ctx context.Context, key string, msg proto.Message) (int32, int64, error) {
log.ZDebug(ctx, "SendMessage", "msg", msg, "topic", p.topic, "key", key)
kMsg := &sarama.ProducerMessage{}
kMsg.Topic = p.topic
kMsg.Key = sarama.StringEncoder(key)
bMsg, err := proto.Marshal(msg)
if err != nil {
return 0, 0, utils.Wrap(err, "kafka proto Marshal err")
}
if len(bMsg) == 0 {
return 0, 0, utils.Wrap(errEmptyMsg, "")
}
kMsg.Value = sarama.ByteEncoder(bMsg)
if kMsg.Key.Length() == 0 || kMsg.Value.Length() == 0 {
return 0, 0, utils.Wrap(errEmptyMsg, "")
}
kMsg.Metadata = ctx
header, err := GetMQHeaderWithContext(ctx)
if err != nil {
return 0, 0, utils.Wrap(err, "")
}
kMsg.Headers = header
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, "")
}