/// <summary>
/// 清理30分钟没有发生读写的文件流。对于日志文件按天产生的非常有用。
/// </summary>
private void Execute()
{
while (FStop == false)
{
try
{
lock (typeof(LocalLockObject))
{
foreach (var theItem in _Workers)
{
if (DateTime.Now.Subtract(theItem.Value.LastExecTime).Minutes > Timeout)
{
theItem.Value.CloseLogThread();
_Workers.Remove(theItem.Key);
}
}
}
Thread.Sleep(100000);
}
catch (Exception ex)
{
SysAppEventWriter.WriteEvent(-1, ex.Message, System.Diagnostics.EventLogEntryType.Error);
}
}
}
/// <summary>
/// 结束日志内置线程，并关闭所有文件流。程序正常退出时调用.
/// </summary>
public void CloseAll()
{
FStop = true;
if (_writerThread != null)
{
_writerThread.Join();
}
try
{
lock (typeof(LocalLockObject))
{
if (_Workers != null)
{
foreach (var theItem in _Workers)
{
theItem.Value.CloseLogThread();
_Workers.Remove(theItem.Key);
}
}
}
}
catch (Exception ex)
{
SysAppEventWriter.WriteEvent(-1, ex.Message, System.Diagnostics.EventLogEntryType.Error);
}
}
public FileLogWorker(string FilePath)
{
try
{
if (string.IsNullOrEmpty(SP.ep.SendBlockDueTime))
{
DueTime = Convert.ToInt32(SP.ep.SendBlockDueTime);
}
if (string.IsNullOrEmpty(SP.ep.SendBlockBatchMaxNum))
{
BatchMaxNum = Convert.ToInt32(SP.ep.SendBlockBatchMaxNum);
}
this.FilePath = FilePath;
//_streamWriter = new StreamWriter(FilePath, true);
//为避免进程占用文件导致异常，使用FileShare.ReadWrite
fs = new FileStream(FilePath, FileMode.Append, FileAccess.Write, FileShare.ReadWrite);
_streamWriter = new StreamWriter(fs);
_logCaches = new BatchBlock <string>(BatchMaxNum);
ab = new ActionBlock <string[]>((stringArray) =>
{
if (stringArray != null && stringArray.Length > 0)
{
foreach (var item in stringArray)
{
_streamWriter.WriteLine(item);
}
_streamWriter.Flush();
LastExecTime = DateTime.Now;
}
//_streamWriter.WriteLine(string.Format(" cdcd current taskID:{0} ,current thread :{1} ", Task.CurrentId, Thread.CurrentThread.ManagedThreadId));
//_streamWriter.Flush();
},
new ExecutionDataflowBlockOptions
{
MaxDegreeOfParallelism = 1
});
_logCaches.LinkTo(ab);
triggerBatchTimer = new Timer((obj) => _logCaches.TriggerBatch());
_logCaches.Completion.ContinueWith(delegate { ab.Complete(); });
}
catch (Exception ex)
{
SysAppEventWriter.WriteEvent(-1, ex.Message, System.Diagnostics.EventLogEntryType.Error);
}
}
/// <summary>
/// 结束日志内置线程，并关闭所有文件流。程序正常退出时调用.
/// </summary>
public override void CloseLogThread()
{
try
{
_logCaches.Complete();
ab.Completion.Wait();
triggerBatchTimer.Dispose();
}
catch (Exception ex)
{
SysAppEventWriter.WriteEvent(-1, ex.Message, System.Diagnostics.EventLogEntryType.Error);
}
}
