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89 lines
3.1 KiB
89 lines
3.1 KiB
2 years ago
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/*
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** description("").
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** copyright('tuoyun,www.tuoyun.net').
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** author("fg,Gordon@tuoyun.net").
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** time(2021/5/11 15:37).
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*/
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package msgtransfer
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import (
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"context"
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"github.com/OpenIMSDK/Open-IM-Server/pkg/common/config"
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"github.com/OpenIMSDK/Open-IM-Server/pkg/common/constant"
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"github.com/OpenIMSDK/Open-IM-Server/pkg/common/db/controller"
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kfk "github.com/OpenIMSDK/Open-IM-Server/pkg/common/kafka"
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"github.com/OpenIMSDK/Open-IM-Server/pkg/common/log"
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pbMsg "github.com/OpenIMSDK/Open-IM-Server/pkg/proto/msg"
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"github.com/OpenIMSDK/Open-IM-Server/pkg/utils"
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"github.com/Shopify/sarama"
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"google.golang.org/protobuf/proto"
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)
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type PersistentConsumerHandler struct {
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persistentConsumerGroup *kfk.MConsumerGroup
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chatLogDatabase controller.ChatLogDatabase
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}
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func NewPersistentConsumerHandler(database controller.ChatLogDatabase) *PersistentConsumerHandler {
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return &PersistentConsumerHandler{
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persistentConsumerGroup: kfk.NewMConsumerGroup(&kfk.MConsumerGroupConfig{KafkaVersion: sarama.V2_0_0_0,
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OffsetsInitial: sarama.OffsetNewest, IsReturnErr: false}, []string{config.Config.Kafka.LatestMsgToRedis.Topic},
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config.Config.Kafka.Addr, config.Config.Kafka.ConsumerGroupID.MsgToMySql),
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chatLogDatabase: database,
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}
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}
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func (pc *PersistentConsumerHandler) handleChatWs2Mysql(ctx context.Context, cMsg *sarama.ConsumerMessage, msgKey string, _ sarama.ConsumerGroupSession) {
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msg := cMsg.Value
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var tag bool
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msgFromMQ := pbMsg.MsgDataToMQ{}
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err := proto.Unmarshal(msg, &msgFromMQ)
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if err != nil {
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log.ZError(ctx, "msg_transfer Unmarshal msg err", err)
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return
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}
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return
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log.ZDebug(ctx, "handleChatWs2Mysql", "msg", msgFromMQ.MsgData)
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//Control whether to store history messages (mysql)
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isPersist := utils.GetSwitchFromOptions(msgFromMQ.MsgData.Options, constant.IsPersistent)
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//Only process receiver data
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if isPersist {
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switch msgFromMQ.MsgData.SessionType {
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case constant.SingleChatType, constant.NotificationChatType:
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if msgKey == msgFromMQ.MsgData.RecvID {
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tag = true
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}
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case constant.GroupChatType:
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if msgKey == msgFromMQ.MsgData.SendID {
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tag = true
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}
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case constant.SuperGroupChatType:
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tag = true
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}
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if tag {
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log.ZInfo(ctx, "msg_transfer msg persisting", "msg", string(msg))
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if err = pc.chatLogDatabase.CreateChatLog(&msgFromMQ); err != nil {
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log.ZError(ctx, "Message insert failed", err, "msg", msgFromMQ.String())
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return
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}
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}
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}
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}
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func (PersistentConsumerHandler) Setup(_ sarama.ConsumerGroupSession) error { return nil }
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func (PersistentConsumerHandler) Cleanup(_ sarama.ConsumerGroupSession) error { return nil }
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func (pc *PersistentConsumerHandler) ConsumeClaim(sess sarama.ConsumerGroupSession, claim sarama.ConsumerGroupClaim) error {
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for msg := range claim.Messages() {
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ctx := pc.persistentConsumerGroup.GetContextFromMsg(msg)
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log.ZDebug(ctx, "kafka get info to mysql", "msgTopic", msg.Topic, "msgPartition", msg.Partition, "msg", string(msg.Value), "key", string(msg.Key))
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if len(msg.Value) != 0 {
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pc.handleChatWs2Mysql(ctx, msg, string(msg.Key), sess)
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} else {
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log.ZError(ctx, "msg get from kafka but is nil", nil, "key", msg.Key)
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}
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sess.MarkMessage(msg, "")
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}
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return nil
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}
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