/// <summary>
/// 服务启动执行的操作
/// </summary>
/// <param name="args"></param>
protected override void OnStart(string[] args)
{
if (_fTimerServices.Count == 0)
{
var wsiEmpty = new WindowsServiceItem
{
WindowsTimer = new WindowsTimer("默认的一个Command的轮询周期，设置为5分钟。", 300000),
CommandType = typeof(WindowsServiceEmptyCommand)
};
_fTimerServices.Add(wsiEmpty);
}
var wsi = new WindowsServiceItem
{
WindowsTimer = new WindowsTimer("默认的一个Command的轮询周期，设置为5秒钟。", 5000),
CommandType = typeof(WindowsServiceDefaultCommand)
};
_fTimerServices.Add(wsi);
foreach (WindowsServiceItem kvp in _fTimerServices)
{
kvp.WindowsTimer.Timer.Elapsed -= Timer_Elapsed;
kvp.WindowsTimer.Timer.Elapsed += Timer_Elapsed;
kvp.WindowsTimer.Timer.Enabled = true;
}
}
/// <summary>
///
/// </summary>
/// <param name="item"></param>
public void Remove(WindowsServiceItem item)
{
IsWindowsServiceEnviroments = true;
if (List.Contains(item))
{
List.Remove(item);
}
}
private void Timer_Elapsed(object sender, ElapsedEventArgs e)
{
try
{
#region 获取Command对象
WindowsServiceItem wsItem = _fTimerServices.GetItemByTimer((Timer)sender);
Type commandType = wsItem.CommandType;
ICommand command = null;
if (!_fTimerServiceObjects.ContainsKey(commandType))
{
lock (_fTimerServiceObjectsLock)
{
if (!_fTimerServiceObjects.ContainsKey(commandType))
{
var cmd = Activator.CreateInstance(commandType) as ICommand;
_fTimerServiceObjects.Add(commandType, cmd);
command = cmd;
}
}
}
else
{
command = _fTimerServiceObjects[commandType];
}
#endregion
if (!wsItem.WindowsTimer.Prepared)
{
return;
}
if (command != null)
{
lock (wsItem.WindowsTimer)
{
try
{
wsItem.WindowsTimer.Prepared = !wsItem.WindowsTimer.Prepared;
command.Execute();
}
catch (Exception ex)
{
//这里不应该导致整个服务终止，而只是把这个错误信号传递到外面去。
if (wsItem.WindowsTimer.CallBack != null)
{
var args = new WindowsServiceTimerExceptionArgs(ex, e);
try
{
wsItem.WindowsTimer.CallBack(wsItem.WindowsTimer, args);
}
catch (Exception ex1)
{
LogHelper.WriteErrorLog(ex1.ToString());
}
}
}
finally
{
wsItem.WindowsTimer.Prepared = !wsItem.WindowsTimer.Prepared;
}
}
}
}
catch (Exception ex)
{
LogHelper.WriteErrorLog(ex.ToString());
}
}
/// <summary>
///
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
public bool Contains(WindowsServiceItem item)
{
return(List.Contains(item));
}
/// <summary>
///
/// </summary>
/// <param name="item"></param>
public void Add(WindowsServiceItem item)
{
IsWindowsServiceEnviroments = true;
List.Add(item);
}