/// <summary>
/// Method used to initialize the RequestEntryAdded event handler
/// </summary>
/// <param name="e"></param>
private void RequestEntryAdded(TVDataAccessorDataArgs e)
{
if (_stopLoadingEvents)
{
return;
}
bool isFullQueue = false;
lock (_listLock)
{
//queue request ids to be loaded to the list
_requestHeaderEventsQueue.Enqueue(e.RequestId);
if (_requestHeaderEventsQueue.Count >= _requestEventsQueueSize)
{
isFullQueue = true;
}
}
if (isFullQueue) //the events queue is full and tail is not on
{
this.BeginInvoke((MethodInvoker) delegate //use invoke to avoid cross-thread exceptions
{
lock (_listLock)
{
//reset the full queue flag
isFullQueue = false;
//the queue is full load all the requests to the GUI
DrainRequestEvents();
//increase the queue size using an adaptive behavior, improves performance
if (!_tail)
{
//if tail is not on increase the size with the amount of rows from the selected row to the end of the list
if (_requestEventsQueueSize < _loadMaxAdvanceSize)
{
_requestEventsQueueSize =
_dataGrid.Rows.Count - _dataGrid.Rows.GetFirstRow(DataGridViewElementStates.Selected);
if (_requestEventsQueueSize > _loadMaxAdvanceSize)
{
_requestEventsQueueSize = _loadMaxAdvanceSize;
}
}
//also wait a little bit between two loads to prevent the gui from becoming unresponsive
}
else
{
_requestEventsQueueSize = _dataSource.RequestCount - _dataGrid.Rows.Count;
}
}
});
}
}
/// <summary>
/// Executes when the data source was cleared
/// </summary>
/// <param name="e"></param>
private void DataCleared(TVDataAccessorDataArgs e)
{
this.Invoke((MethodInvoker) delegate
{
lock (_listLock) //prevent multiple threads from doing this at the same time
{
_dataGrid.Rows.Clear();
_addedRows.Clear();
}
});
}
/// <summary>
/// Finishes incomplete responses
/// </summary>
/// <param name="e"></param>
private void DataSourceResponseAdded(TVDataAccessorDataArgs e)
{
lock (_workerLock)
{
if (e.RequestId != _currentId)
{
return;
}
}
LoadRequest(e.RequestId);
}
/// <summary>
/// A new request was selected
/// </summary>
/// <param name="e"></param>
private void RequestSelected(TVDataAccessorDataArgs e)
{
if (!String.IsNullOrWhiteSpace(e.Header.Validation))
{
_requestViewer.SetHighlighting(Regex.Replace(e.Header.Validation, "\\$(body|header)=", ""), true);
}
else if (_currentSearchCriteria != null)
{
_requestViewer.SetHighlighting(_currentSearchCriteria.Texts[0], _currentSearchCriteria.IsRegex);
}
else
{
_requestViewer.SetHighlighting(String.Empty, false);
}
_requestViewerLoader.CallLoadRequest(e.RequestId);
}
/// <summary>
/// Requests when a request was unlinked from the list
/// </summary>
/// <param name="e"></param>
private void RequestEntryRemoved(TVDataAccessorDataArgs e)
{
this.Invoke((MethodInvoker) delegate
{
lock (_listLock) //prevent multiple threads from doing this at the same time
{
int id = e.RequestId;
string stringId = id.ToString(NUMBER_FORMAT);
if (_addedRows.ContainsKey(stringId))
{
DataGridViewRow row = _addedRows[stringId];
_addedRows.Remove(stringId);
_dataGrid.Rows.Remove(row);
}
}
});
}
/// <summary>
/// Mainly used to add response status for request headers that didn't have a response at the time
/// </summary>
/// <param name="e"></param>
private void ResponseAdded(TVDataAccessorDataArgs e)
{
if (_stopLoadingEvents)
{
return;
}
this.Invoke((MethodInvoker) delegate
{
lock (_listLock) //prevent multiple threads from doing this at the same time
{
int id = e.RequestId;
string stringId = id.ToString(NUMBER_FORMAT);
if (_addedRows.ContainsKey(stringId))
{
DataGridViewRow row = _addedRows[stringId];
row.Cells["_status"].Value = e.Header.ResponseStatus;
row.Cells["_respTime"].Value = e.Header.ResponseTime.ToString(TIME_FORMAT);
decimal respSize = (decimal)e.Header.ResponseLength / 1024;
row.Cells["_respSize"].Value = String.Format(SIZE_FORMAT, respSize);
}
}
});
}
private void DataCleared(TVDataAccessorDataArgs e)
{
ClearData();
}
