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95 lines
2.4 KiB
Go
95 lines
2.4 KiB
Go
package danmaku
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import (
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"dcg/config"
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"dcg/game/command"
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"dcg/game/pb"
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"dcg/game/svc"
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"dcg/pkg/kafka"
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"dcg/pkg/logger"
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"github.com/Shopify/sarama"
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"github.com/golang/protobuf/proto"
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"regexp"
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)
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type MsgToDbHandler struct {
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ctx *svc.ServiceContext
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msgHandle map[string]msgHandlerFunc
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regex *regexp.Regexp
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commandManager *command.Manager
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ConsumerGroup *kafka.ConsumerGroup
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}
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func (h *MsgToDbHandler) Init(ctx *svc.ServiceContext) {
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h.ctx = ctx
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cfg := config.Config.Kafka.Danmaku
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h.msgHandle = make(map[string]msgHandlerFunc)
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h.msgHandle["danmaku"] = h.handleDanmaku
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h.commandManager = command.NewManager()
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h.commandManager.Register("j", h.handleAllCmd)
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h.commandManager.Register("c", h.handleAllCmd)
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h.commandManager.Register("s", h.handleAllCmd)
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h.commandManager.Register("m", h.handleAllCmd)
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h.commandManager.Register("w", h.handleAllCmd)
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var err error
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h.regex, err = regexp.Compile(config.Config.Command.Regex)
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if err != nil {
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logger.SLog.Error(err)
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}
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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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}, cfg.Addr, []string{cfg.Topic}, config.Config.ConsumerGroupId.MsgToDb)
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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 *MsgToDbHandler) handleAllCmd(_ string, user *pb.User) {
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}
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func (h *MsgToDbHandler) handleDanmaku(data []byte, msgKey string) {
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// danmaku msg proto
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var msgFromMq pb.Danmaku
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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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cmdArr := h.parseCommands(msgFromMq.Content)
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for _, cmd := range cmdArr {
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h.commandManager.Handle(cmd, &pb.User{
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UId: msgFromMq.Uid,
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Uname: msgFromMq.Uname,
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})
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}
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}
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func (h *MsgToDbHandler) parseCommands(msg string) []string {
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if h.regex == nil {
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logger.SLog.Error("regex is null")
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return []string{}
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}
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return h.regex.FindAllString(msg, -1)
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}
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func (MsgToDbHandler) Setup(_ sarama.ConsumerGroupSession) error { return nil }
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func (MsgToDbHandler) Cleanup(_ sarama.ConsumerGroupSession) error { return nil }
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func (h *MsgToDbHandler) 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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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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