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127 lines
4.2 KiB
127 lines
4.2 KiB
/*
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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 logic
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import (
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"Open_IM/pkg/common/config"
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"Open_IM/pkg/common/constant"
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"Open_IM/pkg/common/db/mysql_model/im_mysql_msg_model"
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kfk "Open_IM/pkg/common/kafka"
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"Open_IM/pkg/common/log"
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pbMsg "Open_IM/pkg/proto/msg"
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"Open_IM/pkg/utils"
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"github.com/Shopify/sarama"
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"github.com/golang/protobuf/proto"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/client_golang/prometheus/promauto"
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)
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var (
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msgInsertMysqlCounter prometheus.Counter
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msgInsertFailedMysqlCounter prometheus.Counter
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)
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type PersistentConsumerHandler struct {
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msgHandle map[string]fcb
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persistentConsumerGroup *kfk.MConsumerGroup
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}
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func (pc *PersistentConsumerHandler) Init() {
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pc.msgHandle = make(map[string]fcb)
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pc.msgHandle[config.Config.Kafka.Ws2mschat.Topic] = pc.handleChatWs2Mysql
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pc.persistentConsumerGroup = kfk.NewMConsumerGroup(&kfk.MConsumerGroupConfig{KafkaVersion: sarama.V2_0_0_0,
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OffsetsInitial: sarama.OffsetNewest, IsReturnErr: false}, []string{config.Config.Kafka.Ws2mschat.Topic},
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config.Config.Kafka.Ws2mschat.Addr, config.Config.Kafka.ConsumerGroupID.MsgToMySql)
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if config.Config.Prometheus.Enable {
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pc.initPrometheus()
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}
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}
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func (pc *PersistentConsumerHandler) initPrometheus() {
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// counter
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msgInsertMysqlCounter = promauto.NewCounter(prometheus.CounterOpts{
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Name: "insert_mysql_msg_total",
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Help: "The total number of msg insert mysql events",
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})
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msgInsertFailedMysqlCounter = promauto.NewCounter(prometheus.CounterOpts{
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Name: "insert_mysql_failed_msg_total",
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Help: "The total number of msg insert mysql events",
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})
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// 启动计时器
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// requestDurations := prometheus.NewHistogram(prometheus.HistogramOpts{
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// Name: "http_request_duration_seconds",
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// Help: "A histogram of the HTTP request durations in seconds.",
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// Buckets: []float64{0.05, 0.1, 0.25, 0.5, 1, 2.5, 5, 10},
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// })
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// 开始
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// timer := prometheus.NewTimer(requestDurations)
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// 停止
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// timer.ObserveDuration()
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}
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func (pc *PersistentConsumerHandler) handleChatWs2Mysql(cMsg *sarama.ConsumerMessage, msgKey string, _ sarama.ConsumerGroupSession) {
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msg := cMsg.Value
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log.NewInfo("msg come here mysql!!!", "", "msg", string(msg), msgKey)
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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.NewError(msgFromMQ.OperationID, "msg_transfer Unmarshal msg err", "msg", string(msg), "err", err.Error())
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return
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}
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log.Debug(msgFromMQ.OperationID, "proto.Unmarshal MsgDataToMQ", msgFromMQ.String())
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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.NewInfo(msgFromMQ.OperationID, "msg_transfer msg persisting", string(msg))
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if err = im_mysql_msg_model.InsertMessageToChatLog(msgFromMQ); err != nil {
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log.NewError(msgFromMQ.OperationID, "Message insert failed", "err", err.Error(), "msg", msgFromMQ.String())
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if config.Config.Prometheus.Enable {
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msgInsertFailedMysqlCounter.Inc()
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}
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return
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}
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if config.Config.Prometheus.Enable {
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msgInsertMysqlCounter.Inc()
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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,
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claim sarama.ConsumerGroupClaim) error {
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for msg := range claim.Messages() {
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log.NewDebug("", "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.msgHandle[msg.Topic](msg, string(msg.Key), sess)
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} else {
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log.Error("", "msg get from kafka but is nil", 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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