Initial commit

srcs/RobotNet10/RobotApp/RobotNet10.RobotApp.Client/Clients/ModbusTcpHubClient.cs

@@ -0,0 +1,100 @@
+using Microsoft.AspNetCore.Components;
+using Microsoft.AspNetCore.SignalR.Client;
+using RobotNet10.RobotApp.Client.Shared.Devices;
+using RobotNet10.Shared;
+
+namespace RobotNet10.RobotApp.Client.Clients;
+
+/// <summary>
+/// SignalR client để kết nối với ModbusTcpHub
+/// </summary>
+public class ModbusTcpHubClient : IAsyncDisposable
+{
+    private readonly HubConnection _hubConnection;
+    private bool _disposed;
+
+    public bool IsConnected => _hubConnection.State == HubConnectionState.Connected;
+    public HubConnectionState ConnectionState => _hubConnection.State;
+
+    public ModbusTcpHubClient(NavigationManager navigationManager)
+    {
+        var hubUrl = navigationManager.ToAbsoluteUri("/hubs/devices/modbustcp");
+        _hubConnection = new HubConnectionBuilder()
+            .WithUrl(hubUrl)
+            .WithAutomaticReconnect()
+            .Build();
+
+        _hubConnection.Reconnecting += error =>
+        {
+            return Task.CompletedTask;
+        };
+
+        _hubConnection.Reconnected += connectionId =>
+        {
+            return Task.CompletedTask;
+        };
+
+        _hubConnection.Closed += error =>
+        {
+            return Task.CompletedTask;
+        };
+    }
+
+    public async Task StartAsync()
+    {
+        if (_hubConnection.State == HubConnectionState.Disconnected)
+        {
+            await _hubConnection.StartAsync();
+        }
+    }
+
+    public async Task StopAsync()
+    {
+        if (_hubConnection.State != HubConnectionState.Disconnected)
+        {
+            await _hubConnection.StopAsync();
+        }
+    }
+
+    public async Task<ModbusTcpData> GetModbusDataAsync(string deviceId)
+    {
+        var result = await _hubConnection.InvokeAsync<ModbusTcpData?>("GetModbusData", deviceId);
+        return result ?? new ModbusTcpData();
+    }
+
+    public async Task<DeviceInfoDto?> GetDeviceInfoAsync(string deviceId)
+    {
+        return await _hubConnection.InvokeAsync<DeviceInfoDto?>("GetDeviceInfo", deviceId);
+    }
+
+    /// <summary>
+    /// Ghi một coil vào device
+    /// </summary>
+    /// <param name="deviceId">Device ID</param>
+    /// <param name="address">Địa chỉ coil</param>
+    /// <param name="value">Giá trị cần ghi (true/false)</param>
+    /// <returns>True nếu thành công, false nếu thất bại</returns>
+    public async Task<bool> WriteCoilAsync(string deviceId, ushort address, bool value)
+    {
+        try
+        {
+            return await _hubConnection.InvokeAsync<bool>("WriteCoil", deviceId, address, value);
+        }
+        catch
+        {
+            return false;
+        }
+    }
+
+    public async ValueTask DisposeAsync()
+    {
+        if (_disposed)
+            return;
+
+        _disposed = true;
+        await StopAsync();
+        await _hubConnection.DisposeAsync();
+        GC.SuppressFinalize(this);
+    }
+}
+