public async Task <Possible <string, Failure> > CloseAsync(Guid activityId)
{
try
{
using (var counter = m_counters.CloseCounter())
{
using (var eventing = new CloseActivity(BasicFilesystemCache.EventSource, activityId, this))
{
eventing.Start();
m_closed = true;
if (m_sessionLockFile != null)
{
try
{
// Write out our session data (strong fingerprints)
if (m_fingerprints.Count > 0)
{
using (FileStream sessionFile = await m_cache.ContendedOpenStreamAsync(m_completedFilename, FileMode.Create, FileAccess.Write, FileShare.None))
{
await BasicFilesystemCache.WriteSessionFingerprints(sessionFile, m_fingerprints.Keys);
counter.SessionFingerprints(m_fingerprints.Count);
}
}
}
catch (Exception e)
{
return(eventing.StopFailure(new WriteCompletedSessionFailure(m_cache.CacheId, m_completedFilename, e)));
}
finally
{
Close();
}
}
return(eventing.Returns(m_sessionId));
}
}
}
finally
{
// Update the cache disconnect count - only count the disconnects that happened after the session has started
this.m_counters.SetCacheDisconnectedCounter(m_cache.DisconnectCount - m_cacheDisconnectCountAtSessionStart);
// We need to do the collection of statistics and logging
// at the last point after close has completed.
using (var eventing = new CacheActivity(BasicFilesystemCache.EventSource, CacheActivity.StatisticOptions, activityId, "SessionStatistics", CacheId))
{
eventing.Start();
eventing.WriteStatistics(m_finalStats.Value);
eventing.Stop();
}
}
}
protected void OnDomainItemChanged(CacheActivity cacheActivity)
{
DomainEventArgs args = new DomainEventArgs(cacheActivity);
OnDomainItemChanged(args);
}
public DomainEventArgs(CacheActivity cacheActivity)
{
CacheActivity = cacheActivity;
}