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.
48 lines
1.1 KiB
48 lines
1.1 KiB
package kafka
|
|
|
|
import (
|
|
"chat-room/pkg/global/log"
|
|
"github.com/Shopify/sarama"
|
|
"strings"
|
|
)
|
|
|
|
var consumer sarama.Consumer
|
|
|
|
type ConsumerCallback func(data []byte)
|
|
|
|
// 初始化消费者
|
|
func InitConsumer(hosts string) {
|
|
config := sarama.NewConfig()
|
|
client, err := sarama.NewClient(strings.Split(hosts, ","), config)
|
|
if nil != err {
|
|
log.Logger.Error("init kafka consumer client error", log.Any("init kafka consumer client error", err.Error()))
|
|
}
|
|
|
|
consumer, err = sarama.NewConsumerFromClient(client)
|
|
if nil != err {
|
|
log.Logger.Error("init kafka consumer error", log.Any("init kafka consumer error", err.Error()))
|
|
}
|
|
}
|
|
|
|
// 消费消息，通过回调函数进行
|
|
func ConsumerMsg(callBack ConsumerCallback) {
|
|
partitionConsumer, err := consumer.ConsumePartition(topic, 0, sarama.OffsetNewest)
|
|
if nil != err {
|
|
log.Logger.Error("iConsumePartition error", log.Any("ConsumePartition error", err.Error()))
|
|
return
|
|
}
|
|
|
|
defer partitionConsumer.Close()
|
|
for {
|
|
msg := <-partitionConsumer.Messages()
|
|
if nil != callBack {
|
|
callBack(msg.Value)
|
|
}
|
|
}
|
|
}
|
|
|
|
func CloseConsumer() {
|
|
if nil != consumer {
|
|
consumer.Close()
|
|
}
|
|
}
|
|
|