Files
ClubPenguinServer/MareSynchronosServer/MareSynchronosServer/Services/SystemInfoService.cs
2023-01-08 15:04:20 +01:00

89 lines
3.4 KiB
C#

using MareSynchronos.API;
using MareSynchronosServer.Hubs;
using MareSynchronosShared.Data;
using MareSynchronosShared.Metrics;
using MareSynchronosShared.Services;
using MareSynchronosShared.Utils;
using Microsoft.AspNetCore.SignalR;
using Microsoft.EntityFrameworkCore;
using StackExchange.Redis;
namespace MareSynchronosServer.Services;
public class SystemInfoService : IHostedService, IDisposable
{
private readonly MareMetrics _mareMetrics;
private readonly IConfigurationService<ServerConfiguration> _config;
private readonly IServiceProvider _services;
private readonly ILogger<SystemInfoService> _logger;
private readonly IHubContext<MareHub, IMareHub> _hubContext;
private readonly IConnectionMultiplexer _redis;
private Timer _timer;
public SystemInfoDto SystemInfoDto { get; private set; } = new();
public SystemInfoService(MareMetrics mareMetrics, IConfigurationService<ServerConfiguration> configurationService, IServiceProvider services,
ILogger<SystemInfoService> logger, IHubContext<MareHub, IMareHub> hubContext, IConnectionMultiplexer connectionMultiplexer)
{
_mareMetrics = mareMetrics;
_config = configurationService;
_services = services;
_logger = logger;
_hubContext = hubContext;
_redis = connectionMultiplexer;
}
public Task StartAsync(CancellationToken cancellationToken)
{
_logger.LogInformation("System Info Service started");
_timer = new Timer(PushSystemInfo, null, TimeSpan.Zero, TimeSpan.FromSeconds(5));
return Task.CompletedTask;
}
private void PushSystemInfo(object state)
{
ThreadPool.GetAvailableThreads(out int workerThreads, out int ioThreads);
_mareMetrics.SetGaugeTo(MetricsAPI.GaugeAvailableWorkerThreads, workerThreads);
_mareMetrics.SetGaugeTo(MetricsAPI.GaugeAvailableIOWorkerThreads, ioThreads);
var endpoint = _redis.GetEndPoints().First();
var onlineUsers = (_redis.GetServer(endpoint).Keys(pattern: "UID:*").Count());
SystemInfoDto = new SystemInfoDto()
{
OnlineUsers = onlineUsers,
};
if (_config.IsMain)
{
_logger.LogInformation("Sending System Info, Online Users: {onlineUsers}", onlineUsers);
_hubContext.Clients.All.Client_UpdateSystemInfo(SystemInfoDto);
using var scope = _services.CreateScope();
using var db = scope.ServiceProvider.GetService<MareDbContext>()!;
_mareMetrics.SetGaugeTo(MetricsAPI.GaugeAuthorizedConnections, onlineUsers);
_mareMetrics.SetGaugeTo(MetricsAPI.GaugePairs, db.ClientPairs.AsNoTracking().Count());
_mareMetrics.SetGaugeTo(MetricsAPI.GaugePairsPaused, db.ClientPairs.AsNoTracking().Count(p => p.IsPaused));
_mareMetrics.SetGaugeTo(MetricsAPI.GaugeGroups, db.Groups.AsNoTracking().Count());
_mareMetrics.SetGaugeTo(MetricsAPI.GaugeGroupPairs, db.GroupPairs.AsNoTracking().Count());
_mareMetrics.SetGaugeTo(MetricsAPI.GaugeGroupPairsPaused, db.GroupPairs.AsNoTracking().Count(p => p.IsPaused));
_mareMetrics.SetGaugeTo(MetricsAPI.GaugeUsersRegistered, db.Users.AsNoTracking().Count());
}
}
public Task StopAsync(CancellationToken cancellationToken)
{
_timer?.Change(Timeout.Infinite, 0);
return Task.CompletedTask;
}
public void Dispose()
{
_timer?.Dispose();
}
}