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126 lines
3.3 KiB
Go

package danmaku
import (
"dcg/config"
"dcg/game/command"
"dcg/game/pb"
"dcg/game/svc"
"dcg/pkg/kafka"
"dcg/pkg/logger"
"github.com/Shopify/sarama"
"github.com/golang/protobuf/proto"
"github.com/spf13/cast"
"regexp"
)
type MsgToPushHandler struct {
ctx *svc.ServiceContext
msgHandle map[string]msgHandlerFunc
regex *regexp.Regexp
commandManager *command.Manager
ConsumerGroup *kafka.ConsumerGroup
}
func (h *MsgToPushHandler) Init(ctx *svc.ServiceContext) {
h.ctx = ctx
cfg := config.Config.Kafka.Danmaku
h.msgHandle = make(map[string]msgHandlerFunc)
h.msgHandle["danmaku"] = h.handleDanmaku
h.commandManager = command.NewManager()
h.commandManager.Register("j", h.handleJoinGame)
h.commandManager.Register("c", h.handleCreateUnit)
h.commandManager.Register("s", h.handleOutbreak)
h.commandManager.Register("m", h.handleMove)
h.commandManager.Register("w", h.handleWai)
var err error
h.regex, err = regexp.Compile(config.Config.Command.Regex)
if err != nil {
logger.SLog.Error(err)
}
h.ConsumerGroup, err = kafka.NewConsumerGroup(&kafka.ConsumerGroupConfig{
KafkaVersion: sarama.V3_1_0_0,
OffsetsInitial: sarama.OffsetNewest,
IsReturnErr: false,
}, cfg.Addr, []string{cfg.Topic}, config.Config.ConsumerGroupId.MsgToPush)
if err != nil {
logger.SLog.Error(err)
}
}
func (h *MsgToPushHandler) handleJoinGame(_ string, user *pb.User) {
h.ctx.RoomManager.Broadcast("game.join", &pb.JoinGame{User: user})
}
func (h *MsgToPushHandler) handleOutbreak(_ string, user *pb.User) {
h.ctx.RoomManager.Broadcast("game.outbreak", &pb.Outbreak{User: user})
}
func (h *MsgToPushHandler) handleCreateUnit(cmd string, user *pb.User) {
if len(cmd) < 2 {
return
}
unit := cmd[1]
h.ctx.RoomManager.Broadcast("game.createUnit", &pb.CreateUnit{
User: user,
Unit: cast.ToString(unit),
})
}
func (h *MsgToPushHandler) handleMove(cmd string, user *pb.User) {
if len(cmd) < 2 {
return
}
line := cmd[1]
h.ctx.RoomManager.Broadcast("game.move", &pb.Move{
User: user,
Line: cast.ToString(line),
})
}
func (h *MsgToPushHandler) handleWai(cmd string, user *pb.User) {
h.ctx.RoomManager.Broadcast("game.wai", &pb.Wai{User: user})
}
func (h *MsgToPushHandler) handleDanmaku(data []byte, msgKey string) {
// danmaku msg proto
var msgFromMq pb.Danmaku
err := proto.Unmarshal(data, &msgFromMq)
if err != nil {
logger.SLog.Error("unmarshal msg err", err)
return
}
cmdArr := h.parseCommands(msgFromMq.Content)
for _, cmd := range cmdArr {
h.commandManager.Handle(cmd, &pb.User{
UId: msgFromMq.Uid,
Uname: msgFromMq.Uname,
})
}
}
func (h *MsgToPushHandler) parseCommands(msg string) []string {
if h.regex == nil {
logger.SLog.Error("regex is null")
return []string{}
}
return h.regex.FindAllString(msg, -1)
}
func (MsgToPushHandler) Setup(_ sarama.ConsumerGroupSession) error { return nil }
func (MsgToPushHandler) Cleanup(_ sarama.ConsumerGroupSession) error { return nil }
func (h *MsgToPushHandler) ConsumeClaim(sess sarama.ConsumerGroupSession, claim sarama.ConsumerGroupClaim) error {
for msg := range claim.Messages() {
//logger.SLog.Infow("kafka get info to mysql", "msgTopic", msg.Topic, "msgPartition", msg.Partition, "msg", string(msg.Value))
if hFunc, ok := h.msgHandle[msg.Topic]; ok {
hFunc(msg.Value, string(msg.Key))
}
sess.MarkMessage(msg, "")
}
return nil
}