fix : 포매팅, dead 코드 제거, 패킷 1번 수정

ClientTester/EchoClientTester/DummyService/DummyClientService.cs

@@ -0,0 +1,141 @@
+using LiteNetLib;
+using Serilog;
+
+namespace ClientTester.DummyService;
+
+public class DummyClientService
+{
+    private readonly List<DummyClients> clients;
+    private readonly int sendInterval;
+
+    // 모든거 강종
+    public event Action? OnAllDisconnected;
+
+    public DummyClientService(int count, string ip, int port, string key, int sendIntervalMs = 1000)
+    {
+        sendInterval = sendIntervalMs;
+        clients = Enumerable.Range(1, count + 1).Select(i => new DummyClients(i, ip, port, key)).ToList();
+
+        Log.Information("[SERVICE] {Count}개 클라이언트 생성 → {Ip}:{Port}", count, ip, port);
+    }
+
+    public async Task RunAsync(CancellationToken ct)
+    {
+        await Task.WhenAll(PollLoopAsync(ct), SendLoopAsync(ct));
+    }
+
+    private async Task PollLoopAsync(CancellationToken ct)
+    {
+        while (!ct.IsCancellationRequested)
+        {
+            foreach (DummyClients c in clients)
+            {
+                c.PollEvents();
+            }
+
+            try
+            {
+                await Task.Delay(10, ct);
+            }
+            catch (OperationCanceledException)
+            {
+                break;
+            }
+        }
+    }
+
+    private async Task SendLoopAsync(CancellationToken ct)
+    {
+        try
+        {
+            await Task.Delay(500, ct);
+        }
+        catch (OperationCanceledException)
+        {
+            return;
+        }
+
+        int tick = 0;
+
+        while (!ct.IsCancellationRequested)
+        {
+            int sent = 0;
+            int total = clients.Count;
+
+            foreach (DummyClients client in clients)
+            {
+                client.SendTransform();
+                if (client.peer != null)
+                {
+                    sent++;
+                }
+                else
+                {
+                    total--;
+                }
+            }
+
+            if (total == 0)
+            {
+                Log.Information("All Disconnect Clients");
+                OnAllDisconnected?.Invoke();
+                break;
+            }
+
+            Log.Debug("[TICK {Tick:000}] {Sent}/{Total} 전송", tick, sent, total);
+            tick++;
+
+            try
+            {
+                await Task.Delay(sendInterval, ct);
+            }
+            catch (OperationCanceledException)
+            {
+                break;
+            }
+        }
+    }
+
+    public void PrintStats()
+    {
+        int totalSent = 0, totalRecv = 0;
+        int connected = 0;
+
+        Log.Information("───────────── Performance Report ─────────────");
+
+        foreach (DummyClients c in clients)
+        {
+            NetStatistics? stats = c.peer?.Statistics;
+            long loss = stats?.PacketLoss ?? 0;
+            float lossPct = stats?.PacketLossPercent ?? 0f;
+
+            Log.Information(
+                "[Client {ClientId:00}] Sent={Sent} Recv={Recv} | Loss={Loss}({LossPct:F1}%)",
+                c.clientId, c.SentCount, c.ReceivedCount, loss, lossPct);
+
+            totalSent += c.SentCount;
+            totalRecv += c.ReceivedCount;
+
+            if (c.peer != null)
+            {
+                connected++;
+            }
+        }
+
+        Log.Information("────────────────────────────────────────────");
+        Log.Information(
+            "[TOTAL] Sent={Sent} Recv={Recv} Connected={Connected}/{Total}",
+            totalSent, totalRecv, connected, clients.Count);
+        Log.Information("────────────────────────────────────────────");
+    }
+
+    public void Stop()
+    {
+        foreach (DummyClients c in clients)
+        {
+            c.Stop();
+        }
+
+        Log.Information("[SERVICE] 모든 클라이언트 종료됨.");
+    }
+}

ClientTester/EchoClientTester/DummyService/DummyClients.cs

@@ -0,0 +1,167 @@
+using System.Diagnostics;
+using ClientTester.Packet;
+using LiteNetLib;
+using LiteNetLib.Utils;
+using Serilog;
+
+namespace ClientTester.DummyService;
+
+public class DummyClients
+{
+    private NetManager manager;
+    private EventBasedNetListener listener;
+    private NetDataWriter? writer;
+    public NetPeer? peer;
+    public long clientId; // 일단 이게 hashKey가 됨 => 0 ~ 1000번까지는 더미용응로 뺴둠
+
+    // info
+    private Vector3 position = new Vector3();
+    private int rotY = 0;
+    private float moveSpeed = 3.5f;
+    private float distance = 0.0f;
+    private float preTime = 0.0f;
+
+    // 이동 계산용
+    private readonly Stopwatch moveClock = Stopwatch.StartNew();
+    private float posX = 0f;
+    private float posZ = 0f;
+    private float dirX = 0f;
+    private float dirZ = 0f;
+
+    // 통계
+    public int SentCount
+    {
+        set;
+        get;
+    }
+
+    public int ReceivedCount
+    {
+        set;
+        get;
+    }
+
+    public int RttCount
+    {
+        set;
+        get;
+    }
+
+    public DummyClients(long clientId, string ip, int port, string key)
+    {
+        this.clientId = clientId;
+        listener = new EventBasedNetListener();
+        manager = new NetManager(listener);
+        writer = new NetDataWriter();
+
+        listener.PeerConnectedEvent += netPeer =>
+        {
+            peer = netPeer;
+            Log.Information("[Client {ClientId:00}] 연결됨", this.clientId);
+
+            // clientID가 토큰의 hashKey라고 가정함
+            AccTokenPacket recvTokenPacket = new AccTokenPacket();
+            recvTokenPacket.Token = clientId;
+
+            byte[] data = PacketSerializer.Serialize((ushort)PacketCode.ACC_TOKEN, recvTokenPacket);
+            writer.Put(data);
+            peer.Send(writer, DeliveryMethod.ReliableOrdered);
+            writer.Reset();
+        };
+
+        listener.NetworkReceiveEvent += (peer, reader, channel, deliveryMethod) =>
+        {
+            short code = reader.GetShort();
+            short bodyLength = reader.GetShort();
+            string? msg = reader.GetString();
+
+            if (msg != null)
+            {
+                RttCount++;
+            }
+
+            ReceivedCount++;
+            reader.Recycle();
+        };
+
+        listener.PeerDisconnectedEvent += (peer, info) =>
+        {
+            Log.Warning("[Client {ClientId:00}] 연결 끊김: {Reason}", this.clientId, info.Reason);
+            this.peer = null;
+        };
+
+        manager.Start();
+        manager.Connect(ip, port, key);
+    }
+
+    public void UpdateDummy()
+    {
+        // 델타 타임 계산 (초 단위)
+        float now = (float)moveClock.Elapsed.TotalSeconds;
+        float delta = preTime > 0f ? now - preTime : 0.1f;
+        preTime = now;
+
+        // 남은 거리가 없으면 새 방향·목표 거리 설정
+        if (distance <= 0f)
+        {
+            // 현재 각도에서 -30~+30도 범위로 회전
+            rotY = (rotY + Random.Shared.Next(-30, 31) + 360) % 360;
+            float rad = rotY * MathF.PI / 180f;
+            dirX = MathF.Sin(rad);
+            dirZ = MathF.Cos(rad);
+
+            // 3초~12초에 도달할 수 있는 거리 = moveSpeed × 랜덤 초
+            float seconds = 3f + (float)Random.Shared.NextDouble() * 9f;
+            distance = moveSpeed * seconds;
+        }
+
+        // 이번 틱 이동량 (남은 거리 초과 방지)
+        float step = MathF.Min(moveSpeed * delta, distance);
+        posX += dirX * step;
+        posZ += dirZ * step;
+        distance -= step;
+
+        // 정수 Vector3 갱신
+        position.X = (int)MathF.Round(posX);
+        position.Z = (int)MathF.Round(posZ);
+    }
+
+    public void SendTransform()
+    {
+        if (peer == null || writer == null)
+        {
+            return;
+        }
+
+        UpdateDummy();
+        TransformPlayerPacket transformPlayerPacket = new TransformPlayerPacket
+        {
+            PlayerId = (int)clientId,
+            RotY = rotY,
+            Position = new Packet.Vector3
+            {
+                X = position.X,
+                Y = 0, // 높이는 버린다.
+                Z = position.Z
+            }
+        };
+
+        // Protobuf 직렬화 + 헤더 조립
+        byte[] data = PacketSerializer.Serialize((ushort)PacketCode.TRANSFORM_PLAYER, transformPlayerPacket);
+        writer.Put(data);
+        // 이동은 손실 감수함
+        peer.Send(writer, DeliveryMethod.Unreliable);
+        SentCount++;
+        writer.Reset();
+    }
+
+    public void PollEvents()
+    {
+        manager.PollEvents();
+    }
+
+    public void Stop()
+    {
+        manager.Stop();
+    }
+}

ClientTester/EchoClientTester/EchoDummyService/EchoDummyClientService.cs

@@ -3,9 +3,9 @@ using Serilog;
 
 namespace ClientTester.EchoDummyService;
 
-public class DummyClientService
+public class EchoDummyClientService
 {
-    private readonly List<DummyClients> clients;
+    private readonly List<EchoDummyClients> clients;
     private readonly int sendInterval;
 
     // 유닛 테스트용 (n패킷 시간체크)
@@ -24,10 +24,10 @@ public class DummyClientService
     // 모든거 강종
     public event Action? OnAllDisconnected;
 
-    public DummyClientService(int count, string ip, int port, string key, int sendIntervalMs = 1000)
+    public EchoDummyClientService(int count, string ip, int port, string key, int sendIntervalMs = 1000)
     {
         sendInterval = sendIntervalMs;
-        clients = Enumerable.Range(0, count).Select(i => new DummyClients(i, ip, port, key)).ToList();
+        clients = Enumerable.Range(0, count).Select(i => new EchoDummyClients(i, ip, port, key)).ToList();
 
         Log.Information("[SERVICE] {Count}개 클라이언트 생성 → {Ip}:{Port}", count, ip, port);
     }
@@ -36,7 +36,7 @@ public class DummyClientService
     {
         if (IsTest)
         {
-            foreach (DummyClients c in clients)
+            foreach (EchoDummyClients c in clients)
             {
                 c.TestCount = TestCount;
             }
@@ -54,7 +54,7 @@ public class DummyClientService
     {
         while (!ct.IsCancellationRequested)
         {
-            foreach (DummyClients c in clients)
+            foreach (EchoDummyClients c in clients)
             {
                 c.PollEvents();
             }
@@ -88,7 +88,7 @@ public class DummyClientService
             int sent = 0;
             int total = clients.Count;
 
-            foreach (DummyClients client in clients)
+            foreach (EchoDummyClients client in clients)
             {
                 client.SendPing();
                 if (client.peer != null)
@@ -132,7 +132,7 @@ public class DummyClientService
 
         double totalAvgRtt = 0;
 
-        foreach (DummyClients c in clients)
+        foreach (EchoDummyClients c in clients)
         {
             NetStatistics? stats = c.peer?.Statistics;
             long loss = stats?.PacketLoss ?? 0;
@@ -149,6 +149,7 @@ public class DummyClientService
                 totalAvgRtt += c.AvgRttMs;
                 rttClientCount++;
             }
+
             if (c.peer != null)
             {
                 connected++;
@@ -166,7 +167,7 @@ public class DummyClientService
 
     public void Stop()
     {
-        foreach (DummyClients c in clients)
+        foreach (EchoDummyClients c in clients)
         {
             c.Stop();
         }

ClientTester/EchoClientTester/EchoDummyService/EchoDummyClients.cs

@@ -7,7 +7,7 @@ using Serilog;
 
 namespace ClientTester.EchoDummyService;
 
-public class DummyClients
+public class EchoDummyClients
 {
     private NetManager manager;
     private EventBasedNetListener listener;
@@ -18,7 +18,7 @@ public class DummyClients
     // seq → 송신 타임스탬프 (Stopwatch tick)
     private ConcurrentDictionary<int, long> pendingPings = new();
     private int seqNumber;
-    private const int MaxPendingPings = 1000;
+    private const int MAX_PENDING_PINGS = 1000;
 
     // 유닛 테스트용 (0 = 제한 없음)
     public int TestCount
@@ -58,7 +58,7 @@ public class DummyClients
         get;
     }
 
-    public DummyClients(int clientId, string ip, int port, string key)
+    public EchoDummyClients(int clientId, string ip, int port, string key)
     {
         this.clientId = clientId;
         listener = new EventBasedNetListener();
@@ -119,19 +119,21 @@ public class DummyClients
         pendingPings[seq] = Stopwatch.GetTimestamp();
 
         // 응답 없는 오래된 ping 정리 (패킷 유실 시 메모리 누수 방지)
-        if (pendingPings.Count > MaxPendingPings)
+        if (pendingPings.Count > MAX_PENDING_PINGS)
         {
-            int cutoff = seq - MaxPendingPings;
+            int cutoff = seq - MAX_PENDING_PINGS;
             foreach (int key in pendingPings.Keys)
             {
                 if (key < cutoff)
+                {
                     pendingPings.TryRemove(key, out _);
+                }
             }
         }
 
         PacketHeader packetHeader = new PacketHeader();
         packetHeader.Code = 0;
-        packetHeader.BodyLength = $"Echo seq:{seq}".Length;
+        packetHeader.BodyLength = (ushort)$"Echo seq:{seq}".Length;
         writer.Put((short)packetHeader.Code);
         writer.Put((short)packetHeader.BodyLength);
         writer.Put($"Echo seq:{seq}");

ClientTester/EchoClientTester/EchoDummyService/Map.cs

@@ -0,0 +1,6 @@
+namespace ClientTester.EchoDummyService;
+
+public class Map
+{
+    // TODO : 맵 정보 필요
+}

ClientTester/EchoClientTester/Packet/PacketBody.cs

@@ -100,41 +100,23 @@ public class PlayerInfo
     }
 }
 
-[ProtoContract]
-public class ItemInfo
-{
-    [ProtoMember(1)]
-    public int ItemId
-    {
-        get;
-        set;
-    }
-
-    [ProtoMember(2)]
-    public int Count
-    {
-        get;
-        set;
-    }
-}
-
 // ============================================================
 // 인증
 // ============================================================
 
-// RECV_TOKEN
+// ACC_TOKEN
 [ProtoContract]
-public class RecvTokenPacket
+public class AccTokenPacket
 {
     [ProtoMember(1)]
-    public string Token
+    public long Token
     {
         get;
         set;
     }
 }
 
-// LOAD_GAME
+// LOAD_GAME 내 정보
 [ProtoContract]
 public class LoadGamePacket
 {
@@ -151,27 +133,96 @@ public class LoadGamePacket
         get;
         set;
     }
+
+    [ProtoMember(3)]
+    public int MaplId
+    {
+        get;
+        set;
+    }
 }
 
 // ============================================================
 // 로비
 // ============================================================
 
-// INTO_LOBBY
 [ProtoContract]
-public class IntoLobbyPacket
+public class ChannelInfo
 {
     [ProtoMember(1)]
+    public int ChannelId
+    {
+        get;
+        set;
+    }
+
+    [ProtoMember(2)]
+    public int ChannelUserConut
+    {
+        get;
+        set;
+    }
+
+    [ProtoMember(3)]
+    public int ChannelUserMax
+    {
+        get;
+        set;
+    }
+}
+
+[ProtoContract]
+public class LoadChannelPacket
+{
+    [ProtoMember(1)]
+    public List<ChannelInfo> Channels
+    {
+        get;
+        set;
+    } = new List<ChannelInfo>();
+}
+
+// INTO_CHANNEL 클라->서버: 입장할 채널 ID / 서버->클라: 채널 내 나 이외 플레이어 목록
+[ProtoContract]
+public class IntoChannelPacket
+{
+    [ProtoMember(1)]
+    public int ChannelId
+    {
+        get;
+        set;
+    } // 클라->서버: 입장할 채널 ID
+
+    [ProtoMember(2)]
     public List<PlayerInfo> Players
     {
         get;
         set;
-    } = null!;
+    } = new List<PlayerInfo>(); // 서버->클라: 채널 내 플레이어 목록
 }
 
-// EXIT_LOBBY
+// UPDATE_CHANNEL_USER 유저 접속/나감
 [ProtoContract]
-public class ExitLobbyPacket
+public class UpdateChannelUserPacket
+{
+    [ProtoMember(1)]
+    public PlayerInfo Players
+    {
+        get;
+        set;
+    }
+
+    [ProtoMember(2)]
+    public bool IsAdd
+    {
+        get;
+        set;
+    }
+}
+
+// EXIT_CHANNEL 나가는 유저
+[ProtoContract]
+public class ExitChannelPacket
 {
     [ProtoMember(1)]
     public int PlayerId
@@ -181,174 +232,6 @@ public class ExitLobbyPacket
     }
 }
 
-// ============================================================
-// 인스턴스 던전
-// ============================================================
-
-public enum BossState
-{
-    START,
-    END,
-    PHASE_CHANGE
-}
-
-public enum BossResult
-{
-    SUCCESS,
-    FAIL
-}
-
-// INTO_INSTANCE
-[ProtoContract]
-public class IntoInstancePacket
-{
-    [ProtoMember(1)]
-    public int InstanceId
-    {
-        get;
-        set;
-    }
-
-    [ProtoMember(2)]
-    public int BossId
-    {
-        get;
-        set;
-    }
-
-    [ProtoMember(3)]
-    public List<int> PlayerIds
-    {
-        get;
-        set;
-    }
-}
-
-// UPDATE_BOSS
-[ProtoContract]
-public class UpdateBossPacket
-{
-    [ProtoMember(1)]
-    public BossState State
-    {
-        get;
-        set;
-    }
-
-    [ProtoMember(2)]
-    public int Phase
-    {
-        get;
-        set;
-    }
-
-    [ProtoMember(3)]
-    public BossResult Result
-    {
-        get;
-        set;
-    } // END일 때만 유효
-}
-
-// REWARD_INSTANCE
-[ProtoContract]
-public class RewardInstancePacket
-{
-    [ProtoMember(1)]
-    public int Exp
-    {
-        get;
-        set;
-    }
-
-    [ProtoMember(2)]
-    public List<ItemInfo> Items
-    {
-        get;
-        set;
-    }
-}
-
-// EXIT_INSTANCE
-[ProtoContract]
-public class ExitInstancePacket
-{
-    [ProtoMember(1)]
-    public int PlayerId
-    {
-        get;
-        set;
-    }
-}
-
-// ============================================================
-// 파티
-// ============================================================
-
-public enum PartyUpdateType
-{
-    CREATE,
-    DELETE
-}
-
-public enum UserPartyUpdateType
-{
-    JOIN,
-    LEAVE
-}
-
-// UPDATE_PARTY
-[ProtoContract]
-public class UpdatePartyPacket
-{
-    [ProtoMember(1)]
-    public int PartyId
-    {
-        get;
-        set;
-    }
-
-    [ProtoMember(2)]
-    public PartyUpdateType Type
-    {
-        get;
-        set;
-    }
-
-    [ProtoMember(3)]
-    public int LeaderId
-    {
-        get;
-        set;
-    }
-}
-
-// UPDATE_USER_PARTY
-[ProtoContract]
-public class UpdateUserPartyPacket
-{
-    [ProtoMember(1)]
-    public int PartyId
-    {
-        get;
-        set;
-    }
-
-    [ProtoMember(2)]
-    public int PlayerId
-    {
-        get;
-        set;
-    }
-
-    [ProtoMember(3)]
-    public UserPartyUpdateType Type
-    {
-        get;
-        set;
-    }
-}
-
 // ============================================================
 // 플레이어
 // ============================================================
@@ -604,3 +487,71 @@ public class DamagePacket
         set;
     }
 }
+
+// ============================================================
+// 파티
+// ============================================================
+
+public enum PartyUpdateType
+{
+    CREATE,
+    DELETE
+}
+
+public enum UserPartyUpdateType
+{
+    JOIN,
+    LEAVE
+}
+
+// UPDATE_PARTY
+[ProtoContract]
+public class UpdatePartyPacket
+{
+    [ProtoMember(1)]
+    public int PartyId
+    {
+        get;
+        set;
+    }
+
+    [ProtoMember(2)]
+    public PartyUpdateType Type
+    {
+        get;
+        set;
+    }
+
+    [ProtoMember(3)]
+    public int LeaderId
+    {
+        get;
+        set;
+    }
+}
+
+// UPDATE_USER_PARTY
+[ProtoContract]
+public class UpdateUserPartyPacket
+{
+    [ProtoMember(1)]
+    public int PartyId
+    {
+        get;
+        set;
+    }
+
+    [ProtoMember(2)]
+    public int PlayerId
+    {
+        get;
+        set;
+    }
+
+    [ProtoMember(3)]
+    public UserPartyUpdateType Type
+    {
+        get;
+        set;
+    }
+}

ClientTester/EchoClientTester/Packet/PacketHeader.cs

@@ -1,61 +1,56 @@
 namespace ClientTester.Packet;
 
-public enum PacketCode : short
+public enum PacketCode : ushort
 {
-    NONE,
     // 초기 클라이언트 시작시 jwt토큰 받아옴
-    RECV_TOKEN,
-    // jwt토큰 검증후 게임에 들어갈지 말지 (내 데이터도 전송)
+    ACC_TOKEN = 1,
+
+    // 내 정보 로드 (서버 -> 클라)
     LOAD_GAME,
 
-    // 마을(로비)진입시 모든 데이터 로드
-    INTO_LOBBY,
+    // 모든 채널 로드 - jwt토큰 검증후 게임에 들어갈지 말지 (내 데이터도 전송)
+    // (서버 -> 클라)
+    LOAD_CHANNEL,
 
-    // 로비 나가기
-    EXIT_LOBBY,
+    // 나 채널 접속 (클라 -> 서버)
+    INTO_CHANNEL,
 
-    // 인스턴스 던전 입장
-    INTO_INSTANCE,
+    // 새로운 유저 채널 접속 (서버 -> 클라) / 유저 채널 나감 (서버 -> 클라)
+    UPDATE_CHANNEL_USER,
 
-    // 결과 보상
-    REWARD_INSTANCE,
+    // 채널 나가기 (클라 -> 서버)
+    EXIT_CHANNEL,
 
-    // 보스전 (시작, 종료)
-    UPDATE_BOSS,
+    // 플레이어 위치, 방향 (서버 -> 클라 \ 클라 -> 서버)
+    TRANSFORM_PLAYER,
 
-    // 인스턴스 던전 퇴장
-    EXIT_INSTANCE,
+    // 플레이어 행동 업데이트 (서버 -> 클라 \ 클라 -> 서버)
+    ACTION_PLAYER,
+
+    // 플레이어 스테이트 업데이트 (서버 -> 클라 \ 클라 -> 서버)
+    STATE_PLAYER,
+
+    // NPC 위치, 방향 (서버 -> 클라)
+    TRANSFORM_NPC,
+
+    // NPC 행동 업데이트 (서버 -> 클라)
+    ACTION_NPC,
+
+    // NPC 스테이트 업데이트 (서버 -> 클라)
+    STATE_NPC,
+
+    // 데미지 UI 전달 (서버 -> 클라)
+    DAMAGE,
 
     // 파티 (생성, 삭제)
     UPDATE_PARTY,
 
     // 파티 유저 업데이트(추가 삭제)
-    UPDATE_USER_PARTY,
-
-    // 플레이어 위치, 방향
-    TRANSFORM_PLAYER,
-
-    // 플레이어 행동 업데이트
-    ACTION_PLAYER,
-
-    // 플레이어 스테이트 업데이트
-    STATE_PLAYER,
-
-    // NPC 위치, 방향
-    TRANSFORM_NPC,
-
-    // NPC 행동 업데이트
-    ACTION_NPC,
-
-    // NPC 스테이트 업데이트
-    STATE_NPC,
-
-    // 데미지 UI 전달
-    DAMAGE
+    UPDATE_USER_PARTY
 }
 
 public class PacketHeader
 {
     public PacketCode Code;
-    public int BodyLength;
+    public ushort BodyLength;
 }

ClientTester/EchoClientTester/Packet/PacketSerializer.cs

@@ -16,10 +16,13 @@ namespace ClientTester.Packet
             ushort size = (ushort)payload.Length;
 
             byte[] result = new byte[4 + payload.Length];
+            // 2바이트 패킷 타입 헤더
             result[0] = (byte)(type & 0xFF);
             result[1] = (byte)(type >> 8);
+            // 2바이트 패킷 길이 헤더
             result[2] = (byte)(size & 0xFF);
             result[3] = (byte)(size >> 8);
+            // protobuf 페이로드
             Buffer.BlockCopy(payload, 0, result, 4, payload.Length);
             return result;
         }
@@ -36,10 +39,12 @@ namespace ClientTester.Packet
             ushort type = (ushort)(data[0] | (data[1] << 8));
             ushort size = (ushort)(data[2] | (data[3] << 8));
 
+            // 헤더에 명시된 size와 실제 데이터 길이 검증
             int actualPayloadLen = data.Length - 4;
             if (size > actualPayloadLen)
             {
-                Log.Warning("[PacketSerializer] 페이로드 크기 불일치 HeaderSize={Size} ActualSize={Actual}", size, actualPayloadLen);
+                Log.Warning("[PacketSerializer] 페이로드 크기 불일치 HeaderSize={Size} ActualSize={Actual}", size,
+                    actualPayloadLen);
                 return (0, 0, null)!;
             }
 

ClientTester/EchoClientTester/Program.cs

@@ -1,47 +1,116 @@
+using ClientTester.DummyService;
 using ClientTester.EchoDummyService;
 using Serilog;
 
 class EcoClientTester
 {
-    public static readonly string SERVER_IP = "tolelom.xyz";
+    public static readonly string SERVER_IP = "localhost";
     public static readonly int SERVER_PORT = 9500;
     public static readonly string CONNECTION_KEY = "test";
     public static readonly int CLIENT_COUNT = 100;
 
+    private async Task StartEchoDummyTest()
+    {
+        try
+        {
+            CancellationTokenSource cts = new CancellationTokenSource();
+            Console.CancelKeyPress += (_, e) =>
+            {
+                e.Cancel = true;
+                Log.Warning("[SHUTDOWN] Ctrl+C 감지, 종료 중...");
+                cts.Cancel();
+            };
+
+            EchoDummyClientService service =
+                new EchoDummyClientService(CLIENT_COUNT, SERVER_IP, SERVER_PORT, CONNECTION_KEY, 100);
+            service.OnAllDisconnected += () =>
+            {
+                Log.Warning("[SHUTDOWN] 종료 이벤트 발생, 종료 중...");
+                cts.Cancel();
+            };
+
+            // service.IsTest = true;
+            // service.TestCount = 100;
+            await service.RunAsync(cts.Token);
+
+            service.PrintStats();
+            service.Stop();
+
+            await Log.CloseAndFlushAsync();
+        }
+        catch (Exception e)
+        {
+            Log.Error($"[SHUTDOWN] 예외 발생 : {e}");
+        }
+    }
+
+    private async Task StartDummyTest()
+    {
+        try
+        {
+            CancellationTokenSource cts = new CancellationTokenSource();
+            Console.CancelKeyPress += (_, e) =>
+            {
+                e.Cancel = true;
+                Log.Warning("[SHUTDOWN] Ctrl+C 감지, 종료 중...");
+                cts.Cancel();
+            };
+
+            DummyClientService service =
+                new DummyClientService(CLIENT_COUNT, SERVER_IP, SERVER_PORT, CONNECTION_KEY, 100);
+            service.OnAllDisconnected += () =>
+            {
+                Log.Warning("[SHUTDOWN] 종료 이벤트 발생, 종료 중...");
+                cts.Cancel();
+            };
+
+            await service.RunAsync(cts.Token);
+
+            service.PrintStats();
+            service.Stop();
+
+            await Log.CloseAndFlushAsync();
+        }
+        catch (Exception e)
+        {
+            Log.Error($"[SHUTDOWN] 예외 발생 : {e}");
+        }
+    }
+
     private static async Task Main(string[] args)
     {
         // .MinimumLevel.Warning() // Warning 이상만 출력 배포시
-
         string timestamp = DateTime.Now.ToString("yyyy-MM-dd_HH-mm-ss");
 
         Log.Logger = new LoggerConfiguration()
             .MinimumLevel.Debug()
             .WriteTo.Console()
-            .WriteTo.File($"logs/log_{timestamp}.txt")
+            .WriteTo.File($"logs2/log_{timestamp}.txt")
             .CreateLogger();
 
-        CancellationTokenSource cts = new CancellationTokenSource();
-        Console.CancelKeyPress += (_, e) =>
+        Log.Information("========== 더미 클라 테스터 ==========");
+        Log.Information("1. 에코 서버");
+        Log.Information("2. 더미 클라(이동만)");
+        Log.Information("====================================");
+        Log.Information("1 / 2 : ");
+
+        string? input = Console.ReadLine();
+        if (!int.TryParse(input, out int choice) || (choice != 1 && choice != 2))
         {
-            e.Cancel = true;
-            Log.Warning("[SHUTDOWN] Ctrl+C 감지, 종료 중...");
-            cts.Cancel();
-        };
+            Log.Warning("1 또는 2만 입력하세요.");
+            return;
+        }
 
-        DummyClientService service = new DummyClientService(CLIENT_COUNT, SERVER_IP, SERVER_PORT, CONNECTION_KEY, 100);
-        service.OnAllDisconnected += () =>
+        EcoClientTester tester = new EcoClientTester();
+        if (choice == 1)
         {
-            Log.Warning("[SHUTDOWN] 종료 이벤트 발생, 종료 중...");
-            cts.Cancel();
-        };
-
-        // service.IsTest = true;
-        // service.TestCount = 100;
-        await service.RunAsync(cts.Token);
-
-        service.PrintStats();
-        service.Stop();
-
-        await Log.CloseAndFlushAsync();
+            // 에코 서버 실행
+            await tester.StartEchoDummyTest();
+        }
+        else if (choice == 2)
+        {
+            // 더미 클라 실행
+            await tester.StartDummyTest();
+        }
     }
 }

ClientTester/EchoClientTester/Vector3.cs

@@ -0,0 +1,8 @@
+namespace ClientTester;
+
+public class Vector3
+{
+    public int X { get; set; }
+    public int Y { get; set; }
+    public int Z { get; set; }
+}