public void RunAndWait()
{
ThreadPool.QueueUserWorkItem(QueueFiller);
for (int i = 0; i < _parent.Config.ThreadCount; i++)
{
ThreadPool.QueueUserWorkItem(ThreadRender);
}
bool completed = false;
while (!completed)
{
EventPassing eventToRaise = null;
while (true)
{
lock (_syncLock)
{
if (_raiseEvents.Count > 0)
{
eventToRaise = _raiseEvents.Dequeue();
}
}
if (eventToRaise == null)
{
//No more events
break;
}
else
{
switch (eventToRaise.Type)
{
case EventPassing.EventType.Begin:
_parent.InvokeBeginRendering(
_invoker,
_group,
_scale,
eventToRaise.Row,
eventToRaise.Col);
break;
case EventPassing.EventType.Finish:
_parent.InvokeFinishRendering(
_invoker,
_group,
_scale,
eventToRaise.Row,
eventToRaise.Col);
break;
case EventPassing.EventType.Error:
eventToRaise.Result = _parent.InvokeError(
_invoker,
_group,
_scale,
eventToRaise.Row,
eventToRaise.Col,
eventToRaise.Exception);
break;
default:
//Not translated, because it is an internal error that should never happen
throw new Exception("Bad event type"); //NOXLATE
}
eventToRaise.Event.Set();
eventToRaise = null;
}
}
lock (_syncLock)
{
if (_completeFlag == 0 && _raiseEvents.Count == 0)
{
completed = true;
}
}
if (!completed)
{
_event.WaitOne(5 * 1000, true);
}
}
}
/// <summary>
/// Renders a single tile
/// </summary>
/// <param name="ev"></param>
/// <param name="tileSvc"></param>
/// <param name="row">The row index of the tile</param>
/// <param name="col">The column index of the tile</param>
/// <param name="scaleindex">The scale index of the tile</param>
/// <param name="group">The name of the baselayer group</param>
private void RenderTile(EventWaitHandle ev, ITileService tileSvc, long row, long col, int scaleindex, string group)
{
ev.Reset();
lock (_syncLock)
{
_raiseEvents.Enqueue(new EventPassing(
EventPassing.EventType.Begin,
(int)row, (int)col, null,
ev
));
_event.Set();
}
ev.WaitOne(Timeout.Infinite, true);
int c = _parent.Config.RetryCount;
while (c > 0)
{
c--;
try
{
if (!_parent.Cancel)
{
if (_parent.Config.RenderMethod == null)
{
tileSvc.GetTile(_mapDefinition, group, (int)col, (int)row, scaleindex).Dispose(); //NOXLATE
}
else
{
_parent.Config.RenderMethod(_mapDefinition, group, (int)col, (int)row, scaleindex);
}
}
break;
}
catch (Exception ex)
{
if (c == 0)
{
Exception pex = ex;
ev.Reset();
EventPassing evobj = new EventPassing(
EventPassing.EventType.Error,
(int)row, (int)col, ex,
ev
);
lock (_syncLock)
{
_raiseEvents.Enqueue(evobj);
_event.Set();
}
ev.WaitOne(Timeout.Infinite, true);
if (evobj.Result == null)
{
break;
}
if (pex == evobj.Result)
{
throw;
}
else
{
throw (Exception)evobj.Result;
}
}
}
}
ev.Reset();
lock (_syncLock)
{
_raiseEvents.Enqueue(new EventPassing(
EventPassing.EventType.Finish,
(int)row, (int)col, null,
ev
));
_event.Set();
}
ev.WaitOne(Timeout.Infinite, true);
}
/// <summary>
/// Renders a single tile
/// </summary>
/// <param name="ev"></param>
/// <param name="tileSvc"></param>
/// <param name="row">The row index of the tile</param>
/// <param name="col">The column index of the tile</param>
/// <param name="scaleindex">The scale index of the tile</param>
/// <param name="group">The name of the baselayer group</param>
private void RenderTile(EventWaitHandle ev, ITileService tileSvc, long row, long col, int scaleindex, string group)
{
ev.Reset();
lock (SyncLock)
{
RaiseEvents.Enqueue(new EventPassing(
EventPassing.EventType.Begin,
(int)row, (int)col, null,
ev
));
Event.Set();
}
ev.WaitOne(Timeout.Infinite, true);
int c = Parent.Config.RetryCount;
while (c > 0)
{
c--;
try
{
if (!Parent.Cancel)
if (Parent.Config.RenderMethod == null)
tileSvc.GetTile(MapDefinition, group, (int)col, (int)row, scaleindex, "PNG").Dispose(); //NOXLATE
else
Parent.Config.RenderMethod(MapDefinition, group, (int)col, (int)row, scaleindex);
break;
}
catch (Exception ex)
{
if (c == 0)
{
Exception pex = ex;
ev.Reset();
EventPassing evobj = new EventPassing(
EventPassing.EventType.Error ,
(int)row, (int)col, ex,
ev
);
lock (SyncLock)
{
RaiseEvents.Enqueue(evobj);
Event.Set();
}
ev.WaitOne(Timeout.Infinite, true);
if (evobj.Result == null)
break;
if (pex == evobj.Result)
throw;
else
throw (Exception)evobj.Result;
}
}
}
ev.Reset();
lock (SyncLock)
{
RaiseEvents.Enqueue(new EventPassing(
EventPassing.EventType.Finish,
(int)row, (int)col, null,
ev
));
Event.Set();
}
ev.WaitOne(Timeout.Infinite, true);
}
