Add gRPC client module and its corresponding test case

Client/Assets/Scenes/Test.unity

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Client/Assets/Scripts/Network.meta

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Client/Assets/Scripts/Network/GrpcClient.cs

@@ -0,0 +1,48 @@
+using System.Net.Http;
+using System.Threading.Tasks;
+using Grpc.Net.Client;
+using Grpc.Net.Client.Web;
+using Protocol;
+using Utils;
+
+namespace Network
+{
+    public class GrpcClient : Singleton<GrpcClient>
+    {
+        // The address must adopt HTTP.
+        private const string ServerAddress = "http://127.0.0.1:12345";
+
+        private readonly GrpcChannel _channel;
+        private readonly GameService.GameServiceClient _game;
+        private readonly GeneralService.GeneralServiceClient _general;
+
+        public GrpcClient()
+        {
+            var httpHandler = new GrpcWebHandler(GrpcWebMode.GrpcWeb, new HttpClientHandler());
+            var channelOptions = new GrpcChannelOptions
+            {
+                HttpHandler = httpHandler
+            };
+
+            _channel = GrpcChannel.ForAddress(ServerAddress, channelOptions);
+
+            _general = new GeneralService.GeneralServiceClient(_channel);
+            _game = new GameService.GameServiceClient(_channel);
+        }
+
+        ~GrpcClient()
+        {
+            _channel.ShutdownAsync().Wait();
+        }
+
+        public async Task<ServerInfo> GetServerInfo()
+        {
+            return await _general.GetServerInfoAsync(new Empty());
+        }
+
+        public async Task<LoginResponse> Login(string username, string password)
+        {
+            return await _game.LoginAsync(new LoginRequest { Username = username, Password = password });
+        }
+    }
+}

Client/Assets/Scripts/Network/GrpcClient.cs.meta

@@ -0,0 +1,3 @@
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Client/Assets/Scripts/Network/UnityTcpClient.cs

@@ -1,152 +0,0 @@
-using System;
-using System.Net.Sockets;
-using System.Text;
-using System.Threading.Tasks;
-using UnityEngine;
-using Utils;
-
-namespace Network
-{
-    public class UnityTcpClient : Singleton<UnityTcpClient>
-    {
-        private TcpClient _tcpClient;
-        public bool IsConnected => _tcpClient?.Connected ?? false;
-
-        /// <summary>
-        ///     尝试连接到指定的地址和端口
-        /// </summary>
-        /// <param name="address">服务器地址</param>
-        /// <param name="port">端口号</param>
-        /// <returns>连接是否成功</returns>
-        public async Task<bool> Connect(string address, int port)
-        {
-            if (IsConnected)
-            {
-                Debug.LogWarning("Already connected to a server.");
-                return true;
-            }
-
-            try
-            {
-                // 创建一个新的 TcpClient 实例
-                _tcpClient = new TcpClient();
-
-                // 尝试连接到指定的地址和端口
-                await _tcpClient.ConnectAsync(address, port);
-
-                // 如果连接成功
-                if (IsConnected)
-                {
-                    Debug.Log($"Successfully connected to server at {address}:{port}");
-                    return true;
-                }
-            }
-            catch (SocketException ex)
-            {
-                Debug.LogError($"Failed to connect to server at {address}:{port}. Error: {ex.Message}");
-            }
-            catch (Exception ex)
-            {
-                Debug.LogError($"An unexpected error occurred: {ex.Message}");
-            }
-
-            // 如果发生任何错误或连接失败
-            Disconnect();
-            return false;
-        }
-
-        /// <summary>
-        ///     断开与服务器的连接
-        /// </summary>
-        public void Disconnect()
-        {
-            if (!IsConnected)
-            {
-                Debug.LogWarning("Not currently connected to any server.");
-                return;
-            }
-
-            try
-            {
-                // 关闭 TcpClient 连接
-                _tcpClient?.Close();
-
-                Debug.Log("Disconnected from the server.");
-            }
-            catch (Exception ex)
-            {
-                Debug.LogError($"Error while disconnecting: {ex.Message}");
-            }
-        }
-
-        /// <summary>
-        ///     发送数据到服务器
-        /// </summary>
-        /// <param name="message">要发送的消息</param>
-        public async Task Send(string message)
-        {
-            if (!IsConnected)
-            {
-                Debug.LogError("Cannot send data. Not connected to any server.");
-                return;
-            }
-
-            try
-            {
-                // 获取网络流
-                var stream = _tcpClient.GetStream();
-
-                // 将消息转换为字节数组
-                var data = Encoding.UTF8.GetBytes(message);
-
-                // 发送数据
-                await stream.WriteAsync(data, 0, data.Length);
-
-                Debug.Log($"Sent message to server: {message}");
-            }
-            catch (Exception ex)
-            {
-                Debug.LogError($"Error while sending: {ex.Message}");
-            }
-        }
-
-        /// <summary>
-        ///     接收来自服务器的数据
-        /// </summary>
-        /// <returns>接收到的消息</returns>
-        public async Task<string> Receive()
-        {
-            if (!IsConnected)
-            {
-                Debug.LogError("Cannot receive data. Not connected to any server.");
-                return null;
-            }
-
-            try
-            {
-                // 获取网络流
-                var stream = _tcpClient.GetStream();
-
-                // 检查是否有可用数据
-                if (stream.DataAvailable)
-                {
-                    // 读取数据
-                    var buffer = new byte[1024];
-                    var bytesRead = await stream.ReadAsync(buffer, 0, buffer.Length);
-
-                    // 将字节数组转换为字符串
-                    var message = Encoding.UTF8.GetString(buffer, 0, bytesRead);
-
-                    Debug.Log($"Received message from server: {message}");
-                    return message;
-                }
-            }
-            catch (Exception ex)
-            {
-                Debug.LogError($"Error while receiving: {ex.Message}");
-            }
-
-            return null;
-        }
-    }
-}

Client/Assets/Scripts/Network/UnityTcpClient.cs.meta

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Client/Assets/Scripts/Test/GrpcClientTest.cs

@@ -0,0 +1,19 @@
+using Network;
+using UnityEngine;
+
+namespace Test
+{
+    public class GrpcClientTest : MonoBehaviour
+    {
+        private async void Start()
+        {
+            var serverInfo = await GrpcClient.Instance.GetServerInfo();
+
+            Debug.Log($"Received info from server: {serverInfo}");
+
+            var loginResult = await GrpcClient.Instance.Login("野兽先辈", "114514");
+
+            Debug.Log($"Received login result: {loginResult.Result}");
+        }
+    }
+}

Client/Assets/Scripts/Test/GrpcClientTest.cs.meta

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Client/Assets/Scripts/Test/NetworkConnectionTest.cs

@@ -1,26 +0,0 @@
-using System.Threading.Tasks;
-using Network;
-using UnityEngine;
-
-namespace Test
-{
-    public class NetworkConnectionTest : MonoBehaviour
-    {
-        private async void Start()
-        {
-            await BasicTest();
-        }
-
-        private static async Task BasicTest()
-        {
-            var result = await UnityTcpClient.Instance.Connect("127.0.0.1", 12345);
-            if (result) Debug.Log("Connected to server!");
-            else Debug.LogError("Failed to connect to server!");
-
-            string buffer = null;
-            while (buffer is null) buffer = await UnityTcpClient.Instance.Receive();
-
-            Debug.Log($"Received contents: {buffer}");
-        }
-    }
-}

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