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nnet/protocol/client_pipeline_nnet.go

66 lines
1.6 KiB
Go

package protocol
import (
"encoding/json"
"errors"
"fmt"
"git.noahlan.cn/noahlan/nnet/core"
"git.noahlan.cn/noahlan/nnet/entity"
"git.noahlan.cn/noahlan/nnet/packet"
"git.noahlan.cn/noahlan/ntools-go/core/nlog"
)
type OnReadyFunc func()
func WithNNetClientPipeline(onReady OnReadyFunc, packer packet.Packer) core.RunOption {
return func(server *core.NNet) {
server.Pipeline().Inbound().PushFront(func(entity entity.NetworkEntity, v interface{}) error {
pkg, ok := v.(*NNetPacket)
if !ok {
return ErrWrongPacketType
}
conn, _ := entity.Conn()
// 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 := entity.SendBytes(hrd); err != nil {
return err
}
entity.SetStatus(core.StatusWorking)
// onReady
if onReady != nil {
onReady()
}
nlog.Debugf("connection handshake Id=%d, Remote=%s", entity.Session().ID(), conn.RemoteAddr())
case Kick:
_ = entity.Close()
case Data:
status := entity.Status()
if status != core.StatusWorking {
return errors.New(fmt.Sprintf("receive data on socket which not yet ACK, session will be closed immediately, remote=%s",
conn.RemoteAddr()))
}
var lastMid uint64
switch pkg.MsgType {
case Response:
lastMid = pkg.ID
case Notify:
lastMid = 0
}
entity.SetLastMID(lastMid)
}
return nil
})
}
}