hermes-client/Twitch/Socket/TwitchConnectionManager.cs

124 lines
4.8 KiB
C#

using CommonSocketLibrary.Abstract;
using Microsoft.Extensions.DependencyInjection;
using Serilog;
using TwitchChatTTS.Twitch.Socket.Messages;
namespace TwitchChatTTS.Twitch.Socket
{
public interface ITwitchConnectionManager
{
TwitchWebsocketClient GetWorkingClient();
TwitchWebsocketClient GetBackupClient();
}
public class TwitchConnectionManager : ITwitchConnectionManager
{
private TwitchWebsocketClient? _identified;
private TwitchWebsocketClient? _backup;
private readonly IServiceProvider _serviceProvider;
private readonly ILogger _logger;
private readonly object _lock;
public TwitchConnectionManager(IServiceProvider serviceProvider, ILogger logger)
{
_serviceProvider = serviceProvider;
_logger = logger;
_lock = new object();
}
public TwitchWebsocketClient GetBackupClient()
{
lock (_lock)
{
if (_identified == null)
throw new InvalidOperationException("Cannot get backup Twitch client yet. Waiting for identification.");
if (_backup != null)
return _backup;
return CreateNewClient();
}
}
public TwitchWebsocketClient GetWorkingClient()
{
lock (_lock)
{
if (_identified == null)
{
return CreateNewClient();
}
return _identified;
}
}
private TwitchWebsocketClient CreateNewClient()
{
if (_backup != null)
return _backup;
var client = (_serviceProvider.GetRequiredKeyedService<SocketClient<TwitchWebsocketMessage>>("twitch-create") as TwitchWebsocketClient)!;
client.Initialize();
_backup = client;
client.OnIdentified += async (s, e) =>
{
bool clientDisconnect = false;
lock (_lock)
{
if (_identified == null || _identified.ReceivedReconnecting)
{
if (_backup != null && _backup.UID == client.UID)
{
_logger.Information($"Twitch client has been identified [client: {client.UID}][main: {_identified?.UID}][backup: {_backup.UID}]");
_identified = _backup;
_backup = null;
}
else
_logger.Warning($"Twitch client identified from unknown sources [client: {client.UID}][main: {_identified?.UID}][backup: {_backup?.UID}]");
}
else if (_identified.UID == client.UID)
{
_logger.Warning($"Twitch client has been re-identified [client: {client.UID}][main: {_identified.UID}][backup: {_backup?.UID}]");
}
else if (_backup == null || _backup.UID != client.UID)
{
_logger.Warning($"Twitch client has been identified, but isn't main or backup [client: {client.UID}][main: {_identified.UID}][backup: {_backup?.UID}]");
clientDisconnect = true;
}
}
if (clientDisconnect)
await client.DisconnectAsync(new SocketDisconnectionEventArgs("Closed", "No need for a tertiary client."));
};
client.OnDisconnected += (s, e) =>
{
lock (_lock)
{
if (_identified?.UID == client.UID)
{
_logger.Debug($"Identified Twitch client has disconnected [client: {client.UID}][main: {_identified.UID}][backup: {_backup?.UID}]");
_identified = null;
}
else if (_backup?.UID == client.UID)
{
_logger.Debug($"Backup Twitch client has disconnected [client: {client.UID}][main: {_identified?.UID}][backup: {_backup.UID}]");
_backup = null;
}
else if (client.ReceivedReconnecting)
{
_logger.Debug($"Twitch client disconnected due to reconnection [client: {client.UID}][main: {_identified?.UID}][backup: {_backup?.UID}]");
}
else
_logger.Error($"Twitch client disconnected from unknown source [client: {client.UID}][main: {_identified?.UID}][backup: {_backup?.UID}]");
}
};
_logger.Debug("Created a Twitch websocket client.");
return client;
}
}
}