open-im-server/internal/msg_transfer/logic/persistent_msg_handler.go
2022-01-01 15:55:02 +08:00

83 lines
2.6 KiB
Go

/*
** description("").
** copyright('tuoyun,www.tuoyun.net').
** author("fg,Gordon@tuoyun.net").
** time(2021/5/11 15:37).
*/
package logic
import (
"Open_IM/pkg/common/mq"
"Open_IM/pkg/common/mq/nsq"
"strings"
"Open_IM/pkg/common/config"
"Open_IM/pkg/common/constant"
"Open_IM/pkg/common/db/mysql_model/im_mysql_msg_model"
"Open_IM/pkg/common/log"
kfk "Open_IM/pkg/common/mq/kafka"
pbMsg "Open_IM/pkg/proto/chat"
"Open_IM/pkg/utils"
"github.com/Shopify/sarama"
"github.com/golang/protobuf/proto"
)
type PersistentConsumerHandler struct {
persistentConsumerGroup mq.Consumer
}
func (pc *PersistentConsumerHandler) Init() {
cfg := config.Config.MQ.Ws2mschat
switch cfg.Type {
case "kafka":
pc.persistentConsumerGroup = kfk.NewMConsumerGroup(&kfk.MConsumerGroupConfig{KafkaVersion: sarama.V0_10_2_0,
OffsetsInitial: sarama.OffsetNewest, IsReturnErr: false},
cfg.Addr, config.Config.MQ.ConsumerGroupID.MsgToMySql)
case "nsq":
nc, err := nsq.NewNsqConsumer(cfg.Addr, cfg.Topic, cfg.Channel)
if err != nil {
panic(err)
}
pc.persistentConsumerGroup = nc
default:
panic("unsupported mq type: " + cfg.Type)
}
pc.persistentConsumerGroup.RegisterMessageHandler(cfg.Topic, mq.MessageHandleFunc(pc.handleChatWs2Mysql))
}
func (pc *PersistentConsumerHandler) handleChatWs2Mysql(message *mq.Message) error {
msg, msgKey := message.Value, string(message.Key)
log.InfoByKv("chat come here mysql!!!", "", "chat", string(msg))
pbData := pbMsg.WSToMsgSvrChatMsg{}
err := proto.Unmarshal(msg, &pbData)
if err != nil {
log.ErrorByKv("msg_transfer Unmarshal chat err", "", "chat", string(msg), "err", err.Error())
return nil // not retry
}
Options := utils.JsonStringToMap(pbData.Options)
//Control whether to store history messages (mysql)
isPersist := utils.GetSwitchFromOptions(Options, "persistent")
//Only process receiver data
if isPersist {
if msgKey == pbData.RecvID && pbData.SessionType == constant.SingleChatType {
log.InfoByKv("msg_transfer chat persisting", pbData.OperationID)
if err = im_mysql_msg_model.InsertMessageToChatLog(pbData); err != nil {
log.ErrorByKv("Message insert failed", pbData.OperationID, "err", err.Error(), "chat", pbData.String())
return err
}
} else if pbData.SessionType == constant.GroupChatType && msgKey == "0" {
pbData.RecvID = strings.Split(pbData.RecvID, " ")[1]
log.InfoByKv("msg_transfer chat persisting", pbData.OperationID)
if err = im_mysql_msg_model.InsertMessageToChatLog(pbData); err != nil {
log.ErrorByKv("Message insert failed", pbData.OperationID, "err", err.Error(), "chat", pbData.String())
return err
}
}
}
return nil
}