gopenfusion/server/loginserver.go

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package server
import (
"log"
"net"
"sync"
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"github.com/CPunch/gopenfusion/protocol"
)
type PacketHandler func(peer *Peer, pkt protocol.Packet) error
type LoginServer struct {
listener net.Listener
packetHandlers map[uint32]PacketHandler
peers map[*Peer]bool
peersLock sync.Mutex
}
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func stubbedPacket(_ *Peer, _ protocol.Packet) error { /* stubbed */ return nil }
func NewLoginServer() *LoginServer {
listener, err := net.Listen("tcp", ":23000")
if err != nil {
log.Fatal(err)
}
loginServer := &LoginServer{
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listener: listener,
peers: make(map[*Peer]bool),
}
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loginServer.packetHandlers = map[uint32]PacketHandler{
protocol.P_CL2LS_REQ_LOGIN: loginServer.Login,
protocol.P_CL2LS_REQ_CHECK_CHAR_NAME: loginServer.CheckCharacterName,
protocol.P_CL2LS_REQ_SAVE_CHAR_NAME: loginServer.SaveCharacterName,
protocol.P_CL2LS_REQ_CHAR_CREATE: loginServer.CharacterCreate,
protocol.P_CL2LS_REQ_CHAR_SELECT: stubbedPacket,
protocol.P_CL2LS_REQ_CHAR_DELETE: loginServer.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: loginServer.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 loginServer
}
func (server *LoginServer) RegisterPacketHandler(typeID uint32, hndlr PacketHandler) {
server.packetHandlers[typeID] = hndlr
}
func (server *LoginServer) Start() {
log.Print("Server hosted on 127.0.0.1:23000")
for {
conn, err := server.listener.Accept()
if err != nil {
log.Println("Connection error: ", err)
return
}
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client := NewPeer(server, conn)
server.Connect(client)
go client.Handler()
}
}
func (server *LoginServer) HandlePacket(peer *Peer, typeID uint32, pkt protocol.Packet) error {
if hndlr, ok := server.packetHandlers[typeID]; ok {
if err := hndlr(peer, pkt); err != nil {
return err
}
} else {
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log.Printf("[WARN] invalid packet ID: %x\n", typeID)
}
return nil
}
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func (server *LoginServer) Disconnect(peer *Peer) {
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server.peersLock.Lock()
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delete(server.peers, peer)
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server.peersLock.Unlock()
}
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func (server *LoginServer) Connect(peer *Peer) {
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server.peersLock.Lock()
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server.peers[peer] = true
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server.peersLock.Unlock()
}