단순 이관

Bitget_Server/Application/BackgroundServices/WebSocketCalcBackgroundService.cs

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+using Bitget_Server.Application.Options;
+using Bitget_Server.Application.State;
+using Bitget_Server.Domain.Enums;
+using Bitget_Server.Infrastructure.Bitget;
+using Microsoft.Extensions.Options;
+
+namespace Bitget_Server.Application.BackgroundServices;
+
+/// <summary>
+/// 기존 MainForm.DataCalculateThread (1000ms loop) 이식.
+/// BitgetWebSocketClient 가 수집한 메시지를 주기적으로 꺼내어 candleDataLists 로 병합한다.
+/// </summary>
+public class WebSocketCalcBackgroundService : BackgroundService
+{
+    private readonly BitgetWebSocketClient _ws;
+    private readonly MarketState _state;
+    private readonly BitgetOptions _options;
+    private readonly ILogger<WebSocketCalcBackgroundService> _logger;
+
+    public WebSocketCalcBackgroundService(
+        BitgetWebSocketClient ws,
+        MarketState state,
+        IOptions<BitgetOptions> options,
+        ILogger<WebSocketCalcBackgroundService> logger)
+    {
+        _ws = ws;
+        _state = state;
+        _options = options.Value;
+        _logger = logger;
+    }
+
+    protected override async Task ExecuteAsync(CancellationToken stoppingToken)
+    {
+        _logger.LogInformation("WebSocketCalcBackgroundService 시작 (Interval={Ms}ms)", _options.WebSocketCalcIntervalMs);
+
+        var delay = TimeSpan.FromMilliseconds(Math.Max(200, _options.WebSocketCalcIntervalMs));
+
+        while (!stoppingToken.IsCancellationRequested)
+        {
+            try
+            {
+                await Task.Delay(delay, stoppingToken).ConfigureAwait(false);
+
+                // WebSocket 이 꺼져 있으면 처리할 데이터도 없으므로 skip
+                if (!_ws.IsConnected) continue;
+
+                List<object> intervalsSnapshot;
+                lock (_state.SyncRoot)
+                    intervalsSnapshot = _state.IntervalList.ToList();
+
+                _ws.CalculateDataList(BitgetWebSocketType.캔들정보, intervalsSnapshot);
+            }
+            catch (OperationCanceledException) { /* shutdown */ }
+            catch (Exception ex)
+            {
+                _logger.LogWarning(ex, "WebSocket 집계 루프 오류");
+            }
+        }
+
+        _logger.LogInformation("WebSocketCalcBackgroundService 종료");
+    }
+}