public BlockStoreStats(IBlockRepository blockRepository, IBlockStoreCache blockStoreCache, IDateTimeProvider dateTimeProvider, ILogger logger)
{
this.repository = blockRepository;
this.cache = blockStoreCache as BlockStoreCache;
this.logger = logger;
this.lastRepositorySnapshot = this.repository?.PerformanceCounter.Snapshot();
this.lastCacheSnapshot = this.cache?.PerformanceCounter.Snapshot();
this.dateTimeProvider = dateTimeProvider;
}
public virtual BlockStoreCachePerformanceSnapshot Snapshot()
{
var snap = new BlockStoreCachePerformanceSnapshot(this.CacheHitCount, this.CacheMissCount, this.CacheRemoveCount, this.CacheSetCount, this.Name)
{
Start = this.Start,
Taken = this.dateTimeProvider.GetUtcNow()
};
return(snap);
}
public void Log()
{
StringBuilder performanceLogBuilder = new StringBuilder();
if (this.repository != null)
{
var snapshot = this.repository.PerformanceCounter.Snapshot();
performanceLogBuilder.AppendLine((snapshot - this.lastRepositorySnapshot).ToString());
this.lastRepositorySnapshot = snapshot;
}
if (this.cache != null)
{
var snapshot = this.cache.PerformanceCounter.Snapshot();
performanceLogBuilder.AppendLine((snapshot - this.lastCacheSnapshot).ToString());
this.lastCacheSnapshot = snapshot;
}
this.logger.LogInformation(performanceLogBuilder.ToString());
}
