개발환경 네트워크 문제 개선
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255
Assets/Scripts/NetworkDebugger.cs
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255
Assets/Scripts/NetworkDebugger.cs
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using UnityEngine;
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using Unity.Netcode;
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using System;
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namespace Northbound
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{
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public class NetworkDebugger : MonoBehaviour
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{
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[Header("Debug Settings")]
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[SerializeField] private bool enableVerboseLogging = true;
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[SerializeField] private bool logTransportEvents = true;
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private Unity.Netcode.Transports.UTP.UnityTransport _transport;
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private NetworkManager _networkManager;
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private void Start()
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{
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_networkManager = NetworkManager.Singleton;
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if (_networkManager == null)
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{
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Debug.LogError("[NetworkDebugger] NetworkManager not found!");
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return;
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}
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_transport = _networkManager.GetComponent<Unity.Netcode.Transports.UTP.UnityTransport>();
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if (_transport == null)
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{
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Debug.LogError("[NetworkDebugger] UnityTransport not found!");
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return;
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}
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SubscribeToEvents();
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LogNetworkConfiguration();
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}
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private void SubscribeToEvents()
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{
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if (_networkManager != null)
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{
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_networkManager.OnServerStarted += OnServerStarted;
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_networkManager.OnClientConnectedCallback += OnClientConnected;
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_networkManager.OnClientDisconnectCallback += OnClientDisconnected;
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_networkManager.ConnectionApprovalCallback += OnConnectionApproval;
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_networkManager.OnTransportFailure += OnTransportFailure;
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}
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if (logTransportEvents && _transport != null)
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{
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LogTransportConfiguration();
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}
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}
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private void UnsubscribeFromEvents()
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{
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if (_networkManager != null)
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{
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_networkManager.OnServerStarted -= OnServerStarted;
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_networkManager.OnClientConnectedCallback -= OnClientConnected;
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_networkManager.OnClientDisconnectCallback -= OnClientDisconnected;
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_networkManager.ConnectionApprovalCallback -= OnConnectionApproval;
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_networkManager.OnTransportFailure -= OnTransportFailure;
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}
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}
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private void LogNetworkConfiguration()
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{
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Debug.Log("=== NETWORK CONFIGURATION ===");
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Debug.Log("NetworkManager Present: " + (_networkManager != null));
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string transportType = _transport != null ? "Unity Transport" : "None";
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Debug.Log("Transport Type: " + transportType);
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LogTransportConfiguration();
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LogNetworkSettings();
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Debug.Log("============================");
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}
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private void LogTransportConfiguration()
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{
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if (_transport == null) return;
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Debug.Log("=== TRANSPORT CONFIGURATION ===");
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Debug.Log("Connection Data Address: " + _transport.ConnectionData.Address);
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Debug.Log("Connection Data Port: " + _transport.ConnectionData.Port);
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Debug.Log("Connection Data Server Listen Address: " + _transport.ConnectionData.ServerListenAddress);
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Debug.Log("Max Connect Attempts: " + _transport.MaxConnectAttempts);
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Debug.Log("Connect Timeout (ms): " + _transport.ConnectTimeoutMS);
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Debug.Log("Max Packet Queue Size: " + _transport.MaxPacketQueueSize);
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Debug.Log("================================");
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}
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private void LogNetworkSettings()
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{
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if (_networkManager == null) return;
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Debug.Log("=== NETWORK MANAGER SETTINGS ===");
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Debug.Log("NetworkConfig: " + (_networkManager.NetworkConfig != null));
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if (_networkManager.NetworkConfig != null)
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{
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Debug.Log("Player Prefab: " + (_networkManager.NetworkConfig.PlayerPrefab != null));
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Debug.Log("Connection Approval: " + _networkManager.NetworkConfig.ConnectionApproval);
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Debug.Log("Client Connection Buffer: " + _networkManager.NetworkConfig.ClientConnectionBufferTimeout);
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Debug.Log("Enable Scene Management: " + _networkManager.NetworkConfig.EnableSceneManagement);
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}
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Debug.Log("================================");
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}
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private void OnServerStarted()
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{
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Debug.Log("<color=green>[NetworkDebugger] Server Started Successfully</color>");
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Debug.Log("Listening on: " + _transport.ConnectionData.Address + ":" + _transport.ConnectionData.Port);
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Debug.Log("IsHost: " + _networkManager.IsHost);
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Debug.Log("IsServer: " + _networkManager.IsServer);
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}
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private void OnClientConnected(ulong clientId)
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{
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if (enableVerboseLogging)
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{
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Debug.Log("<color=cyan>[NetworkDebugger] Client Connected: " + clientId + "</color>");
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Debug.Log("Local Client ID: " + _networkManager.LocalClientId);
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Debug.Log("Connected Clients Count: " + _networkManager.ConnectedClients.Count);
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}
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foreach (var client in _networkManager.ConnectedClients)
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{
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string playerStatus = client.Value.PlayerObject != null ? "Exists" : "NULL";
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Debug.Log(" Client ID: " + client.Key + ", Player Object: " + playerStatus);
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}
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}
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private void OnClientDisconnected(ulong clientId)
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{
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Debug.Log("<color=yellow>[NetworkDebugger] Client Disconnected: " + clientId + "</color>");
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Debug.Log("Reason: Check logs above for details");
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}
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private void OnConnectionApproval(NetworkManager.ConnectionApprovalRequest request,
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NetworkManager.ConnectionApprovalResponse response)
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{
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Debug.Log("<color=magenta>[NetworkDebugger] Connection Approval Request from Client " + request.ClientNetworkId + "</color>");
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Debug.Log(" Payload Length: " + request.Payload.Length);
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Debug.Log(" Client ID: " + request.ClientNetworkId);
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LogApprovalResponse(response);
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}
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private void LogApprovalResponse(NetworkManager.ConnectionApprovalResponse response)
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{
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Debug.Log("<color=magenta>[NetworkDebugger] Approval Response:</color>");
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Debug.Log(" Approved: " + response.Approved);
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Debug.Log(" Create Player Object: " + response.CreatePlayerObject);
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Debug.Log(" Position: " + response.Position);
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Debug.Log(" Rotation: " + response.Rotation);
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Debug.Log(" Player Prefab Hash: " + response.PlayerPrefabHash);
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}
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private void OnTransportFailure()
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{
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Debug.LogError("<color=red>[NetworkDebugger] TRANSPORT FAILURE!</color>");
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Debug.LogError("This usually indicates:");
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Debug.LogError("1. Port not forwarded correctly");
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Debug.LogError("2. Firewall blocking the connection");
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Debug.LogError("3. Wrong IP address");
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Debug.LogError("4. Server not listening on the correct address");
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Debug.LogError("5. Network timeout");
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}
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private void Update()
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{
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if (enableVerboseLogging && _networkManager != null)
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{
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MonitorConnectionState();
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}
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}
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private void MonitorConnectionState()
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{
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if (_networkManager.IsServer && _networkManager.IsClient)
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{
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if (Time.frameCount % 300 == 0)
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{
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Debug.Log("<color=green>[NetworkDebugger] Host Mode - " + Time.time.ToString("F2") + "s</color>");
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Debug.Log(" Connected Clients: " + _networkManager.ConnectedClients.Count);
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Debug.Log(" Server Listening: " + _transport.ConnectionData.Address + ":" + _transport.ConnectionData.Port);
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}
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}
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else if (_networkManager.IsClient)
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{
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if (Time.frameCount % 300 == 0 && !_networkManager.IsConnectedClient)
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{
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Debug.LogWarning("<color=yellow>[NetworkDebugger] Client Not Connected - " + Time.time.ToString("F2") + "s</color>");
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Debug.LogWarning(" Connecting to: " + _transport.ConnectionData.Address + ":" + _transport.ConnectionData.Port);
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}
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}
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}
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private void OnDestroy()
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{
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UnsubscribeFromEvents();
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}
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[ContextMenu("Log Current Network State")]
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public void LogCurrentState()
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{
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Debug.Log("=== CURRENT NETWORK STATE ===");
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if (_networkManager == null)
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{
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Debug.Log("NetworkManager is NULL");
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return;
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}
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Debug.Log("Is Server: " + _networkManager.IsServer);
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Debug.Log("Is Client: " + _networkManager.IsClient);
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Debug.Log("Is Host: " + _networkManager.IsHost);
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Debug.Log("Is Connected Client: " + _networkManager.IsConnectedClient);
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Debug.Log("Local Client ID: " + _networkManager.LocalClientId);
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Debug.Log("Connected Clients Count: " + _networkManager.ConnectedClients.Count);
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if (_transport != null)
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{
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Debug.Log("Transport Address: " + _transport.ConnectionData.Address);
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Debug.Log("Transport Port: " + _transport.ConnectionData.Port);
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Debug.Log("Server Listen Address: " + _transport.ConnectionData.ServerListenAddress);
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}
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Debug.Log("==========================");
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}
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[ContextMenu("Test Port Binding")]
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public void TestPortBinding()
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{
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if (_transport != null)
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{
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Debug.Log("<color=yellow>[NetworkDebugger] Port Binding Test:</color>");
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Debug.Log(" Address: " + _transport.ConnectionData.Address);
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Debug.Log(" Port: " + _transport.ConnectionData.Port);
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Debug.Log(" Server Listen Address: " + _transport.ConnectionData.ServerListenAddress);
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Debug.LogWarning("Note: Actual binding happens when StartHost/StartServer is called");
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}
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}
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[ContextMenu("Check Firewall Issues")]
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public void CheckPotentialFirewallIssues()
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{
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Debug.Log("=== POTENTIAL FIREWALL ISSUES ===");
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Debug.LogWarning("If you see 'Failed to connect to server' errors:");
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Debug.LogWarning("1. Check Windows Firewall settings");
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Debug.LogWarning("2. Allow Unity Editor and your build through firewall");
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Debug.LogWarning("3. Ensure port is properly forwarded in router");
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Debug.LogWarning("4. Test port with online port checker (e.g., canyouseeme.org)");
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Debug.LogWarning("5. Check antivirus/security software");
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Debug.Log("================================");
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}
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}
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}
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