gopenfusion/login/loginServer.go

129 lines
3.6 KiB
Go

package login
import (
"fmt"
"log"
"net"
"sync"
"github.com/CPunch/gopenfusion/config"
"github.com/CPunch/gopenfusion/core/db"
"github.com/CPunch/gopenfusion/core/protocol"
"github.com/CPunch/gopenfusion/core/protocol/pool"
"github.com/CPunch/gopenfusion/core/redis"
)
type PacketHandler func(peer *protocol.CNPeer, pkt protocol.Packet) error
func stubbedPacket(_ *protocol.CNPeer, _ protocol.Packet) error { /* stubbed */ return nil }
type LoginServer struct {
listener net.Listener
port int
dbHndlr *db.DBHandler
redisHndlr *redis.RedisHandler
eRecv chan *protocol.Event
peers map[*protocol.CNPeer]bool
packetHandlers map[uint32]PacketHandler
peerLock sync.Mutex
}
func NewLoginServer(dbHndlr *db.DBHandler, redisHndlr *redis.RedisHandler, port int) (*LoginServer, error) {
listener, err := net.Listen("tcp", fmt.Sprintf(":%d", port))
if err != nil {
return nil, err
}
server := &LoginServer{
listener: listener,
port: port,
dbHndlr: dbHndlr,
redisHndlr: redisHndlr,
peers: make(map[*protocol.CNPeer]bool),
eRecv: make(chan *protocol.Event),
}
server.packetHandlers = map[uint32]PacketHandler{
protocol.P_CL2LS_REQ_LOGIN: server.Login,
protocol.P_CL2LS_REQ_CHECK_CHAR_NAME: server.CheckCharacterName,
protocol.P_CL2LS_REQ_SAVE_CHAR_NAME: server.SaveCharacterName,
protocol.P_CL2LS_REQ_CHAR_CREATE: server.CharacterCreate,
protocol.P_CL2LS_REQ_CHAR_SELECT: server.ShardSelect,
protocol.P_CL2LS_REQ_CHAR_DELETE: server.CharacterDelete,
protocol.P_CL2LS_REQ_SHARD_SELECT: stubbedPacket,
protocol.P_CL2LS_REQ_SHARD_LIST_INFO: stubbedPacket,
protocol.P_CL2LS_CHECK_NAME_LIST: stubbedPacket,
protocol.P_CL2LS_REQ_SAVE_CHAR_TUTOR: server.FinishTutorial,
protocol.P_CL2LS_REQ_PC_EXIT_DUPLICATE: stubbedPacket,
protocol.P_CL2LS_REP_LIVE_CHECK: stubbedPacket,
protocol.P_CL2LS_REQ_CHANGE_CHAR_NAME: stubbedPacket,
protocol.P_CL2LS_REQ_SERVER_SELECT: stubbedPacket,
}
return server, nil
}
func (server *LoginServer) Start() {
log.Printf("Login service hosted on %s:%d\n", config.GetAnnounceIP(), server.port)
go server.handleEvents()
for {
conn, err := server.listener.Accept()
if err != nil {
log.Println("Connection error: ", err)
return
}
client := protocol.NewCNPeer(server.eRecv, conn)
server.connect(client)
go client.Handler()
}
}
func (server *LoginServer) handleEvents() {
for {
select {
case event := <-server.eRecv:
switch event.Type {
case protocol.EVENT_CLIENT_DISCONNECT:
server.disconnect(event.Peer)
case protocol.EVENT_CLIENT_PACKET:
defer pool.Put(event.Pkt)
if err := server.handlePacket(event.Peer, event.PktID, protocol.NewPacket(event.Pkt)); err != nil {
log.Printf("Error handling packet: %v", err)
event.Peer.Kill()
}
}
}
}
}
func (server *LoginServer) handlePacket(peer *protocol.CNPeer, typeID uint32, pkt protocol.Packet) error {
if hndlr, ok := server.packetHandlers[typeID]; ok {
if err := hndlr(peer, pkt); err != nil {
return err
}
} else {
log.Printf("[WARN] invalid packet ID: %x\n", typeID)
}
return nil
}
func (server *LoginServer) disconnect(peer *protocol.CNPeer) {
server.peerLock.Lock()
defer server.peerLock.Unlock()
log.Printf("Peer %p disconnected from LOGIN\n", peer)
delete(server.peers, peer)
}
func (server *LoginServer) connect(peer *protocol.CNPeer) {
server.peerLock.Lock()
defer server.peerLock.Unlock()
log.Printf("New peer %p connected to LOGIN\n", peer)
server.peers[peer] = true
}