| | | 1 | | using System.Net.WebSockets; |
| | | 2 | | using System.Text; |
| | | 3 | | using Microsoft.Extensions.Logging; |
| | | 4 | | using NostrSure.Infrastructure.Client.Abstractions; |
| | | 5 | | |
| | | 6 | | namespace NostrSure.Infrastructure.Client.Implementation; |
| | | 7 | | |
| | | 8 | | /// <summary> |
| | | 9 | | /// Handles WebSocket message transmission |
| | | 10 | | /// </summary> |
| | | 11 | | public sealed class MessageSender : IMessageSender |
| | | 12 | | { |
| | | 13 | | private readonly ClientWebSocket _webSocket; |
| | | 14 | | private readonly IConnectionErrorHandler _errorHandler; |
| | | 15 | | private readonly IConnectionStateManager _stateManager; |
| | | 16 | | private readonly ILogger<MessageSender>? _logger; |
| | | 17 | | |
| | 3 | 18 | | public MessageSender( |
| | 3 | 19 | | ClientWebSocket webSocket, |
| | 3 | 20 | | IConnectionErrorHandler errorHandler, |
| | 3 | 21 | | IConnectionStateManager stateManager, |
| | 3 | 22 | | ILogger<MessageSender>? logger = null) |
| | 3 | 23 | | { |
| | 3 | 24 | | _webSocket = webSocket ?? throw new ArgumentNullException(nameof(webSocket)); |
| | 3 | 25 | | _errorHandler = errorHandler ?? throw new ArgumentNullException(nameof(errorHandler)); |
| | 3 | 26 | | _stateManager = stateManager ?? throw new ArgumentNullException(nameof(stateManager)); |
| | 3 | 27 | | _logger = logger; |
| | 3 | 28 | | } |
| | | 29 | | |
| | | 30 | | public async Task SendAsync(string message, CancellationToken cancellationToken = default) |
| | 2 | 31 | | { |
| | | 32 | | // Check actual WebSocket state as primary source of truth |
| | 2 | 33 | | if (_webSocket.State != WebSocketState.Open) |
| | 2 | 34 | | { |
| | 2 | 35 | | _logger?.LogError("WebSocket send failed - WebSocket.State: {WebSocketState}, StateManager.IsConnected: {Sta |
| | 2 | 36 | | _webSocket.State, _stateManager.IsConnected); |
| | 2 | 37 | | throw new InvalidOperationException($"WebSocket is not connected. Current state: {_webSocket.State}"); |
| | | 38 | | } |
| | | 39 | | |
| | 0 | 40 | | if (string.IsNullOrEmpty(message)) |
| | 0 | 41 | | throw new ArgumentException("Message cannot be null or empty", nameof(message)); |
| | | 42 | | |
| | | 43 | | try |
| | 0 | 44 | | { |
| | 0 | 45 | | _logger?.LogDebug("Sending message: {MessageLength} characters", message.Length); |
| | | 46 | | |
| | 0 | 47 | | var buffer = Encoding.UTF8.GetBytes(message); |
| | 0 | 48 | | await _webSocket.SendAsync( |
| | 0 | 49 | | new ArraySegment<byte>(buffer), |
| | 0 | 50 | | WebSocketMessageType.Text, |
| | 0 | 51 | | endOfMessage: true, |
| | 0 | 52 | | cancellationToken); |
| | | 53 | | |
| | 0 | 54 | | _logger?.LogDebug("Message sent successfully"); |
| | 0 | 55 | | } |
| | 0 | 56 | | catch (Exception ex) |
| | 0 | 57 | | { |
| | 0 | 58 | | _logger?.LogError(ex, "Failed to send message"); |
| | 0 | 59 | | await _errorHandler.HandleErrorAsync(ex, nameof(SendAsync)); |
| | 0 | 60 | | throw; |
| | | 61 | | } |
| | 0 | 62 | | } |
| | | 63 | | } |