50 lines
1.6 KiB
C#
50 lines
1.6 KiB
C#
using System;
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using System.Threading.Tasks;
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using Microsoft.AspNetCore.SignalR;
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using Microsoft.Extensions.Logging;
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namespace FinlyticBackend.Hubs;
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/// <summary>
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/// SignalR Hub that streams live log messages from microservices to connected web UI clients.
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/// </summary>
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public class LogStreamHub : Hub
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{
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private readonly ILogger<LogStreamHub> _logger;
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public LogStreamHub(ILogger<LogStreamHub> logger)
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{
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_logger = logger;
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}
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public async Task JoinServiceLogs(string serviceName)
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{
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if (!string.IsNullOrWhiteSpace(serviceName))
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{
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await Groups.AddToGroupAsync(Context.ConnectionId, serviceName);
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_logger.LogInformation("[LogStreamHub] Client {ConnectionId} joined log stream for {ServiceName}", Context.ConnectionId, serviceName);
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}
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}
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public async Task LeaveServiceLogs(string serviceName)
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{
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if (!string.IsNullOrWhiteSpace(serviceName))
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{
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await Groups.RemoveFromGroupAsync(Context.ConnectionId, serviceName);
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_logger.LogInformation("[LogStreamHub] Client {ConnectionId} left log stream for {ServiceName}", Context.ConnectionId, serviceName);
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}
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}
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public override async Task OnConnectedAsync()
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{
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_logger.LogInformation("[LogStreamHub] Client connected: {ConnectionId}", Context.ConnectionId);
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await base.OnConnectedAsync();
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}
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public override async Task OnDisconnectedAsync(Exception? exception)
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{
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_logger.LogInformation("[LogStreamHub] Client disconnected: {ConnectionId}", Context.ConnectionId);
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await base.OnDisconnectedAsync(exception);
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}
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}
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