/// <summary>
/// Calculates and returns a summary of each of the stored statistic types.
/// </summary>
public void GetSummary(out List <OperationRollup> operations, out List <OperationRollup> commands, out List <TaskStats> runningTasks, out List <TaskStats> completedTasks)
{
operations = new List <OperationRollup>();
commands = new List <OperationRollup>();
runningTasks = new List <TaskStats>();
completedTasks = new List <TaskStats>();
try
{
lock (_rollupLock)
{
foreach (string name in _operationRollups.Keys)
{
OperationRollup r = RollupRollups(_operationRollups[name], _lastSwap);
if (r != null)
{
operations.Add(r);
}
}
foreach (string name in _commandRollups.Keys)
{
OperationRollup r = RollupRollups(_commandRollups[name], _lastSwap);
if (r != null)
{
commands.Add(r);
}
}
}
lock (_taskLock)
{
DateTime now = DateTime.Now;
DateTime sixHoursAgo = now.Subtract(TimeSpan.FromHours(6));
while ((_completedTasks.Count > 0) && (_completedTasks[0].EndTime < sixHoursAgo))
{
_completedTasks.RemoveAt(0);
}
foreach (Guid id in _runningTasks.Keys)
{
TaskStats t = _runningTasks[id].Clone();
runningTasks.Add(t);
}
foreach (TaskStats tx in _completedTasks)
{
TaskStats t = tx.Clone();
completedTasks.Add(t);
}
}
operations = operations.OrderBy(x => x.Name).ToList();
commands = commands.OrderBy(x => x.Name).ToList();
runningTasks = runningTasks.OrderBy(x => x.StartTime).ToList();
completedTasks = completedTasks.OrderBy(x => x.StartTime).ToList();
}
catch (Exception ex)
{
if (_errorHandler != null)
{
_errorHandler.LogError(ex);
}
}
}
/// <summary>
/// Updates running task with new number of completed iterations.
/// This number can be just the number of new iterations since the last update, or the total number of iterations since the task was started.
/// </summary>
public void UpdateTask(Guid id, long completedIterations, bool isTotal)
{
try
{
if (id == Guid.Empty)
{
return;
}
lock (_taskLock)
{
if (_runningTasks.ContainsKey(id))
{
TaskStats t = _runningTasks[id];
t.UpdateTask(completedIterations, isTotal);
}
}
}
catch (Exception ex)
{
if (_errorHandler != null)
{
_errorHandler.LogError(ex);
}
}
}
/// <summary>
/// Sets the total number of iterations after a task has been started, when the total isn't known until later.
/// </summary>
public void SetTaskIterations(Guid id, long totalIterations)
{
try
{
if (id == Guid.Empty)
{
return;
}
lock (_taskLock)
{
if (_runningTasks.ContainsKey(id))
{
TaskStats t = _runningTasks[id];
t.SetTotalIterations(totalIterations);
}
}
}
catch (Exception ex)
{
if (_errorHandler != null)
{
_errorHandler.LogError(ex);
}
}
}
/// <summary>
/// Ends the specified task.
/// </summary>
public void EndTask(Guid id)
{
try
{
if (id == Guid.Empty)
{
return;
}
TaskStats t = null;
lock (_taskLock)
{
if (_runningTasks.ContainsKey(id))
{
t = _runningTasks[id];
_runningTasks.Remove(id);
}
if (t != null)
{
t.EndTask();
_completedTasks.Add(t);
DateTime now = DateTime.Now;
DateTime sixHoursAgo = now.Subtract(TimeSpan.FromHours(6));
while ((_completedTasks.Count > 0) && (_completedTasks[0].EndTime < sixHoursAgo))
{
_completedTasks.RemoveAt(0);
}
}
}
}
catch (Exception ex)
{
if (_errorHandler != null)
{
_errorHandler.LogError(ex);
}
}
}
/// <summary>
/// Starts a long running task and returns the task's ID.
/// Task must be ended after completion.
/// </summary>
public Guid BeginTask(string name, long totalIterations)
{
try
{
var t = new TaskStats(name, totalIterations);
lock (_taskLock)
{
if (!_runningTasks.ContainsKey(t.ID))
{
_runningTasks.Add(t.ID, t);
}
}
return(t.ID);
}
catch (Exception ex)
{
if (_errorHandler != null)
{
_errorHandler.LogError(ex);
}
}
return(Guid.Empty);
}
/// <summary>
/// Returns a clone of the current object.
/// </summary>
public TaskStats Clone()
{
TaskStats t = new TaskStats(_id, _name, _startTime, _endTime, _totalIterations, _completedIterations, _isComplete);
return(t);
}
