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fix: 添加数据库并发限制，解决SqlSugar连接状态冲突

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OpenClaw Agent 2026-03-17 09:19:15 +00:00
parent 7abb8796ec
commit d30c3076bd
1 changed files with 53 additions and 16 deletions
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69
AssetManager.Infrastructure/Services/MarketDataService.cs
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@ -21,6 +21,9 @@ public class MarketDataService : IMarketDataService
private readonly IOkxMarketService _okxService; private readonly IOkxMarketService _okxService;
private readonly IMarketDataRepository _marketDataRepo; private readonly IMarketDataRepository _marketDataRepo;
// 限制数据库并发访问，避免 SqlSugar 连接状态冲突
private static readonly SemaphoreSlim _dbSemaphore = new(3, 3);
public MarketDataService( public MarketDataService(
ILogger<MarketDataService> logger, ILogger<MarketDataService> logger,
ITencentMarketService tencentService, ITencentMarketService tencentService,
@ -44,20 +47,29 @@ public class MarketDataService : IMarketDataService
{ {
_logger.LogInformation("获取实时价格: {Symbol}, 资产类型: {AssetType}", symbol, assetType); _logger.LogInformation("获取实时价格: {Symbol}, 资产类型: {AssetType}", symbol, assetType);
// 先查缓存 // 限制数据库并发访问
var cached = await _marketDataRepo.GetPriceCacheAsync(symbol, assetType); await _dbSemaphore.WaitAsync();
try
if (cached != null)
{ {
_logger.LogDebug("缓存命中: {Symbol} {AssetType}, 价格: {Price}", symbol, assetType, cached.Price); // 先查缓存
return new MarketPriceResponse var cached = await _marketDataRepo.GetPriceCacheAsync(symbol, assetType);
if (cached != null)
{ {
Symbol = cached.Symbol, _logger.LogDebug("缓存命中: {Symbol} {AssetType}, 价格: {Price}", symbol, assetType, cached.Price);
Price = cached.Price, return new MarketPriceResponse
PreviousClose = cached.PreviousClose ?? 0, {
Timestamp = cached.FetchedAt, Symbol = cached.Symbol,
AssetType = cached.AssetType Price = cached.Price,
}; PreviousClose = cached.PreviousClose ?? 0,
Timestamp = cached.FetchedAt,
AssetType = cached.AssetType
};
}
}
finally
{
_dbSemaphore.Release();
} }
// 缓存未命中，调用API // 缓存未命中，调用API
@ -108,8 +120,17 @@ public class MarketDataService : IMarketDataService
_logger.LogInformation("获取历史数据: {Symbol}, 资产类型: {AssetType}, 周期: {Timeframe}, 数量: {Limit}", _logger.LogInformation("获取历史数据: {Symbol}, 资产类型: {AssetType}, 周期: {Timeframe}, 数量: {Limit}",
symbol, assetType, timeframe, limit); symbol, assetType, timeframe, limit);
// 先查缓存 // 限制数据库并发访问
var cachedKlines = await _marketDataRepo.GetKlineCacheAsync(symbol, assetType, timeframe, limit); await _dbSemaphore.WaitAsync();
List<MarketKlineCache> cachedKlines;
try
{
cachedKlines = await _marketDataRepo.GetKlineCacheAsync(symbol, assetType, timeframe, limit);
}
finally
{
_dbSemaphore.Release();
}
// 缓存足够，直接返回 // 缓存足够，直接返回
if (cachedKlines.Count >= limit) if (cachedKlines.Count >= limit)
@ -214,7 +235,15 @@ public class MarketDataService : IMarketDataService
ExpiredAt = GetCacheExpirationTime(assetType) ExpiredAt = GetCacheExpirationTime(assetType)
}; };
await _marketDataRepo.SavePriceCacheAsync(cacheEntity); await _dbSemaphore.WaitAsync();
try
{
await _marketDataRepo.SavePriceCacheAsync(cacheEntity);
}
finally
{
_dbSemaphore.Release();
}
_logger.LogDebug("缓存写入: {Symbol} {AssetType}, 过期时间: {ExpiredAt}", symbol, assetType, cacheEntity.ExpiredAt); _logger.LogDebug("缓存写入: {Symbol} {AssetType}, 过期时间: {ExpiredAt}", symbol, assetType, cacheEntity.ExpiredAt);
} }
@ -235,7 +264,15 @@ public class MarketDataService : IMarketDataService
FetchedAt = DateTime.Now FetchedAt = DateTime.Now
}).ToList(); }).ToList();
await _marketDataRepo.SaveKlineCacheBatchAsync(cacheEntities); await _dbSemaphore.WaitAsync();
try
{
await _marketDataRepo.SaveKlineCacheBatchAsync(cacheEntities);
}
finally
{
_dbSemaphore.Release();
}
_logger.LogDebug("历史K线缓存写入: {Symbol} {AssetType} {Timeframe}, 数量: {Count}", symbol, assetType, timeframe, cacheEntities.Count); _logger.LogDebug("历史K线缓存写入: {Symbol} {AssetType} {Timeframe}, 数量: {Count}", symbol, assetType, timeframe, cacheEntities.Count);
} }