holy refactor

started out as me making a service abstraction..

- db.Player exists again, and entity.Player uses it as an embedded struct
- chunk.ForEachEntity() lets you add/remove entities during iteration now
- removed account related fields from CNPeer
- protocol/pool has been merged with protocol.
use protocol.GetBuffer() and protocol.PutBuffer().
- new protocol/internal/service!
service.Service is an abstraction layer to handle multiple CNPeer*
connections and allows you to associate each with an interface{} uData.
In the future it might also handle a task queue for jobs that
modify/interact with the player's uData, called from service.handleEvents()
- PacketHandler callback type has a new param! uData is passed as well now
- much of loginserver/shardserver is now handled by the shared service
abstraction
- SHARD: NPC_ENTER packets are now sent on player loading complete
rather than on enter.
This commit is contained in:
2023-11-27 21:23:28 -06:00
parent d8277ea89c
commit 1f66acfd25
12 changed files with 378 additions and 358 deletions

View File

@@ -1,60 +1,47 @@
package shard
import (
"fmt"
"log"
"net"
"sync"
"github.com/CPunch/gopenfusion/config"
"github.com/CPunch/gopenfusion/internal/db"
"github.com/CPunch/gopenfusion/internal/entity"
"github.com/CPunch/gopenfusion/internal/protocol"
"github.com/CPunch/gopenfusion/internal/protocol/pool"
"github.com/CPunch/gopenfusion/internal/redis"
"github.com/CPunch/gopenfusion/internal/service"
)
type PacketHandler func(peer *protocol.CNPeer, pkt protocol.Packet) error
type ShardServer struct {
listener net.Listener
port int
dbHndlr *db.DBHandler
redisHndlr *redis.RedisHandler
eRecv chan *protocol.Event
packetHandlers map[uint32]PacketHandler
peers map[*protocol.CNPeer]*entity.Player
chunks map[entity.ChunkPosition]*entity.Chunk
peerLock sync.Mutex
service *service.Service
dbHndlr *db.DBHandler
redisHndlr *redis.RedisHandler
chunks map[entity.ChunkPosition]*entity.Chunk
}
func NewShardServer(dbHndlr *db.DBHandler, redisHndlr *redis.RedisHandler, port int) (*ShardServer, error) {
listener, err := net.Listen("tcp", fmt.Sprintf(":%d", port))
srvc, err := service.NewService("SHARD", port)
if err != nil {
return nil, err
}
server := &ShardServer{
listener: listener,
port: port,
dbHndlr: dbHndlr,
redisHndlr: redisHndlr,
packetHandlers: make(map[uint32]PacketHandler),
peers: make(map[*protocol.CNPeer]*entity.Player),
chunks: make(map[entity.ChunkPosition]*entity.Chunk),
eRecv: make(chan *protocol.Event),
service: srvc,
dbHndlr: dbHndlr,
redisHndlr: redisHndlr,
chunks: make(map[entity.ChunkPosition]*entity.Chunk),
}
server.packetHandlers = map[uint32]PacketHandler{
protocol.P_CL2FE_REQ_PC_ENTER: server.RequestEnter,
protocol.P_CL2FE_REQ_PC_LOADING_COMPLETE: server.LoadingComplete,
protocol.P_CL2FE_REQ_PC_MOVE: server.playerMove,
protocol.P_CL2FE_REQ_PC_STOP: server.playerStop,
protocol.P_CL2FE_REQ_PC_JUMP: server.playerJump,
protocol.P_CL2FE_REQ_SEND_FREECHAT_MESSAGE: server.freeChat,
protocol.P_CL2FE_REQ_SEND_MENUCHAT_MESSAGE: server.menuChat,
protocol.P_CL2FE_REQ_PC_AVATAR_EMOTES_CHAT: server.emoteChat,
}
srvc.AddPacketHandler(protocol.P_CL2FE_REQ_PC_ENTER, server.RequestEnter)
srvc.AddPacketHandler(protocol.P_CL2FE_REQ_PC_LOADING_COMPLETE, server.LoadingComplete)
srvc.AddPacketHandler(protocol.P_CL2FE_REQ_PC_MOVE, server.playerMove)
srvc.AddPacketHandler(protocol.P_CL2FE_REQ_PC_STOP, server.playerStop)
srvc.AddPacketHandler(protocol.P_CL2FE_REQ_PC_JUMP, server.playerJump)
srvc.AddPacketHandler(protocol.P_CL2FE_REQ_SEND_FREECHAT_MESSAGE, server.freeChat)
srvc.AddPacketHandler(protocol.P_CL2FE_REQ_SEND_MENUCHAT_MESSAGE, server.menuChat)
srvc.AddPacketHandler(protocol.P_CL2FE_REQ_PC_AVATAR_EMOTES_CHAT, server.emoteChat)
srvc.OnConnect = server.onConnect
srvc.OnDisconnect = server.onDisconnect
redisHndlr.RegisterShard(redis.ShardMetadata{
IP: config.GetAnnounceIP(),
@@ -64,97 +51,18 @@ func NewShardServer(dbHndlr *db.DBHandler, redisHndlr *redis.RedisHandler, port
return server, nil
}
func (server *ShardServer) handleEvents() {
for event := range server.eRecv {
switch event.Type {
case protocol.EVENT_CLIENT_DISCONNECT:
server.disconnect(event.Peer)
case protocol.EVENT_CLIENT_PACKET:
if err := server.handlePacket(event.Peer, event.PktID, protocol.NewPacket(event.Pkt)); err != nil {
event.Peer.Kill()
}
// the packet is given to us by the event, so we'll need to make sure to return it to the pool
pool.Put(event.Pkt)
}
}
}
func (server *ShardServer) Start() {
server.LoadNPCs()
server.service.Start()
}
log.Printf("Shard 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 *ShardServer) onDisconnect(peer *protocol.CNPeer, _plr interface{}) {
// remove from chunks
if _plr != nil {
server.removeEntity(_plr.(*entity.Player))
}
}
func (server *ShardServer) GetPort() int {
return server.port
}
func (server *ShardServer) 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] unknown packet ID: %x\n", typeID)
}
func (server *ShardServer) onConnect(peer *protocol.CNPeer) interface{} {
return nil
}
func (server *ShardServer) disconnect(peer *protocol.CNPeer) {
server.peerLock.Lock()
defer server.peerLock.Unlock()
// remove from chunk(s)
plr, ok := server.peers[peer]
if ok {
log.Printf("Player %d (AccountID %d) disconnected\n", plr.PlayerID, plr.AccountID)
server.removeEntity(plr)
}
log.Printf("Peer %p disconnected from SHARD\n", peer)
delete(server.peers, peer)
}
func (server *ShardServer) connect(peer *protocol.CNPeer) {
server.peerLock.Lock()
defer server.peerLock.Unlock()
log.Printf("New peer %p connected to SHARD\n", peer)
server.peers[peer] = nil
}
func (server *ShardServer) getPlayer(peer *protocol.CNPeer) (*entity.Player, error) {
plr, ok := server.peers[peer]
if !ok {
return nil, fmt.Errorf("player not found")
}
return plr, nil
}
func (server *ShardServer) setPlayer(peer *protocol.CNPeer, plr *entity.Player) {
server.peers[peer] = plr
}
// If f returns false the iteration is stopped.
func (server *ShardServer) rangePeers(f func(peer *protocol.CNPeer, plr *entity.Player) bool) {
for peer, plr := range server.peers {
if f(peer, plr) {
return
}
}
}