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nnet/protocol/nnet/client_event_nnet.go

71 lines
1.7 KiB
Go

package nnet
import (
"encoding/json"
"fmt"
"git.noahlan.cn/noahlan/nnet"
"git.noahlan.cn/noahlan/nnet/conn"
"git.noahlan.cn/noahlan/nnet/event"
"git.noahlan.cn/noahlan/nnet/packet"
"git.noahlan.cn/noahlan/ntool/nlog"
)
type OnReadyFunc func()
func WithNNetClientEvents(onReady OnReadyFunc, packer packet.Packer) nnet.RunOption {
return func(ngin *nnet.Engine) {
ngin.EventManager().RegisterEventFront(event.EvtOnReceive, onReceiveEvent(ngin, onReady, packer))
}
}
func onReceiveEvent(ngin *nnet.Engine, onReady OnReadyFunc, packer packet.Packer) event.OnReceiveFn {
return func(nc *conn.Connection, p packet.IPacket) {
pkg, ok := p.(*Packet)
if !ok {
nlog.Error(packet.ErrWrongPacketType)
return
}
// Server to client
switch pkg.PacketType {
case Handshake:
var handshakeData HandshakeResp
err := json.Unmarshal(pkg.Data, &handshakeData)
nlog.Must(err)
hrd, _ := packer.Pack(Header{
PacketType: HandshakeAck,
MessageHeader: MessageHeader{},
}, nil)
if err := nc.SendBytes(hrd); err != nil {
return
}
nc.SetStatus(conn.StatusWorking)
// onReady
if onReady != nil {
onReady()
}
if ngin.ShallLogDebug() {
nlog.Debugf("connection handshake Id=%d, Remote=%s", nc.Session().ID(), nc.Conn().RemoteAddr())
}
case Kick:
_ = nc.Close()
case Data:
status := nc.Status()
if status != conn.StatusWorking {
nlog.Errorf(fmt.Sprintf("receive data on socket which not yet ACK, session will be closed immediately, remote=%s",
nc.Conn().RemoteAddr()))
return
}
var lastMid uint64
switch pkg.MsgType {
case Response:
lastMid = pkg.ID
case Notify:
lastMid = 0
}
nc.SetLastMID(lastMid)
}
}
}