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69 lines
2.9 KiB
69 lines
2.9 KiB
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/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/Shopify/sarama"
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"google.golang.org/protobuf/proto"
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)
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type OnlineHistoryMongoConsumerHandler struct {
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historyConsumerGroup *kfk.MConsumerGroup
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msgDatabase controller.CommonMsgDatabase
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}
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func NewOnlineHistoryMongoConsumerHandler(database controller.CommonMsgDatabase) *OnlineHistoryMongoConsumerHandler {
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mc := &OnlineHistoryMongoConsumerHandler{
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historyConsumerGroup: kfk.NewMConsumerGroup(&kfk.MConsumerGroupConfig{KafkaVersion: sarama.V2_0_0_0,
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OffsetsInitial: sarama.OffsetNewest, IsReturnErr: false}, []string{config.Config.Kafka.MsgToMongo.Topic},
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config.Config.Kafka.MsgToMongo.Addr, config.Config.Kafka.ConsumerGroupID.MsgToMongo),
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msgDatabase: database,
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}
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return mc
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}
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func (mc *OnlineHistoryMongoConsumerHandler) handleChatWs2Mongo(ctx context.Context, cMsg *sarama.ConsumerMessage, key string, session sarama.ConsumerGroupSession) {
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msg := cMsg.Value
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msgFromMQ := pbMsg.MsgDataToMongoByMQ{}
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err := proto.Unmarshal(msg, &msgFromMQ)
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if err != nil {
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log.ZError(ctx, "unmarshall failed", err, "key", key, "len", len(msg))
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return
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}
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if len(msgFromMQ.MsgData) == 0 {
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log.ZError(ctx, "msgFromMQ.MsgData is empty", nil, "cMsg", cMsg)
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return
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}
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log.ZInfo(ctx, "mongo consumer recv msg", "msgs", msgFromMQ.MsgData)
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err = mc.msgDatabase.BatchInsertChat2DB(ctx, msgFromMQ.ConversationID, msgFromMQ.MsgData, msgFromMQ.LastSeq)
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if err != nil {
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log.ZError(ctx, "single data insert to mongo err", err, "msg", msgFromMQ.MsgData, "conversationID", msgFromMQ.ConversationID)
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}
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err = mc.msgDatabase.DeleteMessageFromCache(ctx, msgFromMQ.ConversationID, msgFromMQ.MsgData)
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if err != nil {
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log.ZError(ctx, "remove cache msg from redis err", err, "msg", msgFromMQ.MsgData, "conversationID", msgFromMQ.ConversationID)
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}
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}
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func (OnlineHistoryMongoConsumerHandler) Setup(_ sarama.ConsumerGroupSession) error { return nil }
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func (OnlineHistoryMongoConsumerHandler) Cleanup(_ sarama.ConsumerGroupSession) error { return nil }
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func (mc *OnlineHistoryMongoConsumerHandler) ConsumeClaim(sess sarama.ConsumerGroupSession, claim sarama.ConsumerGroupClaim) error { // a instance in the consumer group
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log.ZDebug(context.Background(), "online new session msg come", "highWaterMarkOffset",
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claim.HighWaterMarkOffset(), "topic", claim.Topic(), "partition", claim.Partition())
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for msg := range claim.Messages() {
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ctx := mc.historyConsumerGroup.GetContextFromMsg(msg)
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if len(msg.Value) != 0 {
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mc.handleChatWs2Mongo(ctx, msg, string(msg.Key), sess)
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} else {
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log.ZError(ctx, "mongo msg get from kafka but is nil", nil, "conversationID", 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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