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74 lines
2.1 KiB
Go
74 lines
2.1 KiB
Go
2 years ago
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package mq
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3 years ago
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import (
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"dcg/game/manager"
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"dcg/game/pb"
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pbCommon "dcg/game/pb/common"
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pbMq "dcg/game/pb/mq"
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"dcg/game/svc"
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kfk "dcg/pkg/kafka"
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"git.noahlan.cn/northlan/ntools-go/kafka"
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"git.noahlan.cn/northlan/ntools-go/logger"
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"github.com/Shopify/sarama"
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"github.com/golang/protobuf/proto"
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)
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type CoinTransferHandler struct {
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svcCtx *svc.ServiceContext
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msgHandle map[string]kafkaMsgHandlerFunc
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ConsumerGroup *kafka.ConsumerGroup
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}
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func (h *CoinTransferHandler) Init(svcCtx *svc.ServiceContext) {
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h.svcCtx = svcCtx
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2 years ago
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cfg := svcCtx.Config.Kafka.UserCoin
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3 years ago
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h.msgHandle = make(map[string]kafkaMsgHandlerFunc)
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h.msgHandle[cfg.Topic] = h.handleTopic
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var err error
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h.ConsumerGroup, err = kafka.NewConsumerGroup(&kafka.ConsumerGroupConfig{
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KafkaVersion: sarama.V3_1_0_0,
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OffsetsInitial: sarama.OffsetNewest,
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IsReturnErr: false,
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UnMarshaler: kfk.ProtobufMarshaler,
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}, cfg.Addr, []string{cfg.Topic}, cfg.ConsumerGroup)
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if err != nil {
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logger.SLog.Error(err)
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}
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}
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func (h *CoinTransferHandler) handleTopic(data []byte, _ string) {
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// msg proto
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var msgFromMq pbMq.MqUserCoinChanged
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err := proto.Unmarshal(data, &msgFromMq)
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if err != nil {
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logger.SLog.Error("unmarshal msg err", err)
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return
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}
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manager.GameManager.Broadcast(pb.PushCoinChanged, &pbCommon.UserCoinChangedMsg{
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User: &pbCommon.PbUser{
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UserId: msgFromMq.UserId,
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Username: msgFromMq.Username,
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Avatar: msgFromMq.Avatar,
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2 years ago
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Platform: "bilibili", // TODO 平台
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3 years ago
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},
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Reason: msgFromMq.Reason,
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Change: msgFromMq.Change,
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Current: msgFromMq.Current,
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})
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}
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func (CoinTransferHandler) Setup(_ sarama.ConsumerGroupSession) error { return nil }
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func (CoinTransferHandler) Cleanup(_ sarama.ConsumerGroupSession) error { return nil }
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func (h *CoinTransferHandler) ConsumeClaim(sess sarama.ConsumerGroupSession, claim sarama.ConsumerGroupClaim) error {
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for msg := range claim.Messages() {
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//logger.SLog.Infow("kafka get info to mysql", "msgTopic", msg.Topic, "msgPartition", msg.Partition, "msg", string(msg.Value))
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if hFunc, ok := h.msgHandle[msg.Topic]; ok {
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hFunc(msg.Value, string(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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