cmd/gameserver/service/agent.go

package service
import (
	"github.com/golang/protobuf/proto"
	"math"
	"pro2d/common"
	"pro2d/common/components"
	"pro2d/common/logger"
	"pro2d/models"
	"pro2d/pb"
	"sync"
	"sync/atomic"
)
type Agent struct {
	components.IConnection
	Server components.IServer
	components.IAgent
	Role               *models.RoleModel
	nextCheckTime      int64 //下一次检查的时间
	lastHeartCheckTime int64
	heartTimeoutCount  int //超时次数
}
var agentPool = sync.Pool{New: func() interface{} { return new(Agent) }}
func NewAgent(s components.IServer) *Agent {
	a := agentPool.Get().(*Agent)
	a.Server = s
	a.nextCheckTime = 0
	a.lastHeartCheckTime = common.Timex()
	a.heartTimeoutCount = 0
	return a
}
func (c *Agent) SetSchema(schema components.ISchema) {
	c.Role = schema.(*models.RoleModel)
	c.Role.SetConn(c)
	c.Server.GetConnManage().AddRID(c.Role.Role.Id, c.IConnection.GetID())
}
func (c *Agent) GetSchema() components.ISchema {
	return c.Role
}
func (c *Agent) SetServer(server components.IServer) {
	c.Server = server
}
func (c *Agent) GetServer() components.IServer {
	return c.Server
}
func (c *Agent) OnConnection(conn components.IConnection) {
	c.IConnection = conn
}
/*OnLoginQuery 登录请求
2 角色不存在
*/
func (c *Agent) OnLoginQuery(msg components.IMessage) (int32, proto.Message) {
	//logger.Debug("11111111cmd: %v, msg: %s", msg.GetHeader().GetMsgID(), msg.GetData())
	req := pb.LoginReq{}
	if err := proto.Unmarshal(msg.GetData(), &req); err != nil {
		logger.Error("loginRpc err: %v", err)
		return 1, nil
	}
	role := models.RoleExistByUid(req.Token)
	if role == nil {
		return 2, nil
	}
	role.SetProperty("Device", req.Device)
	protoMsg := &pb.RoleRsp{
		Role:       role.Role,
		Hero:       role.GetAllHero(),
		Team:       role.GetAllTeam(),
		Equipments: role.GetEquipments(),
	}
	//登录成功，存储agent role
	c.SetSchema(role)
	return 0, protoMsg
}
func (c *Agent) SendMsg(errCode int32, cmd uint32, msg interface{}) {
	if msg == nil || errCode != 0 {
		c.Send(errCode, cmd, nil)
		return
	}
	rsp, err := proto.Marshal(msg.(proto.Message))
	if err != nil {
		c.Send(-100, cmd, nil)
		return
	}
	c.Send(errCode, cmd, rsp)
}
func (c *Agent) OnMessage(msg components.IMessage) {
	atomic.StoreInt64(&c.lastHeartCheckTime, common.Timex())
	logger.Debug("protocolID: %d", msg.GetHeader().GetMsgID())
	//heart
	if msg.GetHeader().GetMsgID() == uint32(pb.ProtoCode_HeartReq) {
		return
	}
	//login
	if msg.GetHeader().GetMsgID() == uint32(pb.ProtoCode_LoginReq) {
		code, protoMsg := c.OnLoginQuery(msg)
		c.SendMsg(code, msg.GetHeader().GetMsgID(), protoMsg)
		return
	}
	//get handler by msgid
	md := c.Server.GetAction(msg.GetHeader().GetMsgID())
	if md == nil {
		logger.Debug("cmd: %d, handler is nil", msg.GetHeader().GetMsgID())
		return
	}
	if msg.GetHeader().GetMsgID() != uint32(pb.ProtoCode_CreateReq) && c.Role == nil {
		c.Send(-101, msg.GetHeader().GetMsgID(), nil)
		return
	}
	//调用协议号对应的逻辑函数
	f := md.(func(role *models.RoleModel, msg components.IMessage) (int32, interface{}))
	errCode, protoMsg := f(c.Role, msg)
	c.SendMsg(errCode, msg.GetHeader().GetMsgID(), protoMsg)
}
func (c *Agent) OnTimer() {
	nextCheckTime := atomic.LoadInt64(&c.nextCheckTime)
	now := common.Timex()
	if now >= nextCheckTime {
		//检查心跳
		c.checkHeartBeat(now)
		nextCheckTime = now + common.HeartTimerInterval
		atomic.StoreInt64(&c.nextCheckTime, nextCheckTime)
	}
	if c.Role != nil {
		//role 恢复数据
		c.Role.OnRecoverTimer(now)
	}
}
func (c *Agent) OnClose() {
	c.IConnection = nil
	c.Role = nil
	agentPool.Put(c)
	if c.Role == nil {
		return
	}
	c.Server.GetConnManage().DelRID(c.Role.Role.Id)
	c.Role.OnOfflineEvent()
}
func (c *Agent) checkHeartBeat(now int64) {
	lastHeartCheckTime := atomic.LoadInt64(&c.lastHeartCheckTime)
	//logger.Debug("checkHeartBeat ID: %d, last: %d, now: %d", c.GetID(), lastHeartCheckTime, now)
	if math.Abs(float64(lastHeartCheckTime-now)) > common.HeartTimerInterval {
		c.heartTimeoutCount++
		if c.heartTimeoutCount >= common.HeartTimeoutCountMax {
			c.Stop()
			return
		}
		logger.Debug("timeout count: %d", c.heartTimeoutCount)
	} else {
		c.heartTimeoutCount = 0
	}
}