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Open-IM-Server/internal/msgtransfer/persistent_msg_handler.go

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