public void CreateWindowSizeChart(ZedGraphControl zgc, Flow[] list)
{
GraphPane myPane = zgc.GraphPane;
System.Drawing.Color[] GraphColors = { Color.Red, Color.Blue, Color.Green, Color.Orange, Color.Purple, Color.Brown };
ZedGraph.SymbolType[] GraphSymbols = { SymbolType.Circle, SymbolType.Diamond, SymbolType.TriangleDown, SymbolType.Square, SymbolType.Star, SymbolType.Triangle };
// Set the titles and axis labels
myPane.Title.Text = "";
myPane.XAxis.Title.Text = "Time, s";
myPane.YAxis.Title.Text = "window size";
/*myPane.Legend.Position = LegendPos.Float;
myPane.Legend.Location = new Location(0.95, 0.15, CoordType.PaneFraction,
AlignH.Right, AlignV.Top);
myPane.Legend.FontSpec.Size = 10;*/
myPane.Legend.Position = LegendPos.InsideTopLeft;
// Add a curve
for (int k = 0; k < list.Length; k++)
{
LineItem curve = myPane.AddCurve(list[k].name, list[k].plist, GraphColors[k%6], SymbolType.None);
curve.Line.Width = 2.0F;
curve.Line.IsAntiAlias = true;
curve.Symbol.Fill = new Fill(Color.White);
curve.Symbol.Size = 7;
}
// Fill the axis background with a gradient
//myPane.Chart.Fill = new Fill(Color.White, Color.FromArgb(255, Color.ForestGreen), 45.0F);
// Offset Y space between point and label
// NOTE: This offset is in Y scale units, so it depends on your actual data
//const double offset = 1.0;
#region add text labels
// Loop to add text labels to the points
/*for (int i = 0; i < count; i++)
{
// Get the pointpair
PointPair pt = curve.Points[i];
// Create a text label from the Y data value
TextObj text = new TextObj(pt.Y.ToString("f2"), pt.X, pt.Y + offset,
CoordType.AxisXYScale, AlignH.Left, AlignV.Center);
text.ZOrder = ZOrder.A_InFront;
// Hide the border and the fill
text.FontSpec.Border.IsVisible = false;
text.FontSpec.Fill.IsVisible = false;
//text.FontSpec.Fill = new Fill( Color.FromArgb( 100, Color.White ) );
// Rotate the text to 90 degrees
text.FontSpec.Angle = 90;
myPane.GraphObjList.Add(text);
}*/
#endregion
// Leave some extra space on top for the labels to fit within the chart rect
myPane.YAxis.Scale.MaxGrace = 0.2;
// Calculate the Axis Scale Ranges
zgc.AxisChange();
}
public Flow[] GetFlowStatusList(XDocument xmlDoc)
{
var flowList = (from item in xmlDoc.Descendants("FlowStatus")
select item.Attribute("flow_name").Value
).Distinct();
Flow[] list = new Flow[flowList.Count()];
int count = 0;
double TotTime = Convert.ToDouble(xmlDoc.Descendants("TotalTime").First().Value);
double TimeInterval = TotTime / 100;
foreach (var flow in flowList)
{
list[count] = new Flow();
list[count].name = flow;
list[count].plist = new PointPairList();
list[count].send_rate_list = new PointPairList();
var wSizeItems = from item in xmlDoc.Descendants("FlowStatus")
where item.Attribute("flow_name").Value == flow
orderby (double)item.Attribute("time")
select new
{
time = item.Attribute("time"),
wsize = item.Attribute("window_size"),
sent_packets = item.Attribute("packets_sent")
};
list[count].flow_rate_list = new PointPairList();
list[count].packet_delay_list = new PointPairList();
var rec_item = from item in xmlDoc.Descendants("FlowReceive")
where item.Attribute("flow_name").Value == flow
orderby (double)item.Attribute("time")
select new
{
time = item.Attribute("time"),
rec_count = item.Descendants("received_packets").First(),
avg_delay = item.Attribute("packet_delay")
};
#region obsolete
/*Int64 lastRecCount = 0;
for (int j = 0; j < 100; j++)
{
double flow_rate = 0;
double startTime = j * TimeInterval;
double endTime = (j + 1) * TimeInterval;
var rec_item = from item in xmlDoc.Descendants("FlowReceive")
where item.Attribute("flow_name").Value == flow
&& Convert.ToDouble(item.Attribute("time").Value) <= endTime
&& Convert.ToDouble(item.Attribute("time").Value) >= startTime
orderby (double)item.Attribute("time")
select new
{
time = item.Attribute("time").Value,
rec_count = item.Descendants("received_packets").First().Value,
};
if (rec_item.Count()>0)
{
var crappyRecItem = rec_item.Last();
Int64 realRecCount = Convert.ToInt64(crappyRecItem.rec_count);
flow_rate = (realRecCount - lastRecCount) / TimeInterval;
lastRecCount = realRecCount;
}
list[count].flow_rate_list.Add((j + 1) * TimeInterval, flow_rate);
}*/
#endregion
double prev_time = 0.0;
double prev_count = 0.0;
foreach (var pt in wSizeItems)
{
double x = (double)pt.time;
double y = (double)pt.wsize;
list[count].plist.Add(x, y);
double send_rate = ((double)pt.sent_packets - prev_count) / (125*((double)pt.time - prev_time));
list[count].send_rate_list.Add(x, send_rate);
prev_time = x;
prev_count = (double)pt.sent_packets;
}
prev_time = 0.0;
prev_count = 0.0;
double first_non_zero = -1;
double last_non_zero = -1;
double packet_delay_tot = 0.0;
foreach (var pt2 in rec_item)
{
double x = (double)pt2.time;
double y = ((double)pt2.rec_count - prev_count) / (125*((double)pt2.time - prev_time));
if (y > 0)
{
if (first_non_zero == -1) first_non_zero = x;
last_non_zero = x;
}
list[count].flow_rate_list.Add(x, y);
list[count].packet_delay_list.Add(x, (double)pt2.avg_delay);
prev_time = x;
prev_count = (double)pt2.rec_count;
packet_delay_tot += (double)pt2.avg_delay;
}
int newRowCount = dataGridFlows.Rows.Add();
dataGridFlows.Rows[newRowCount].Cells[0].Value = flow;
dataGridFlows.Rows[newRowCount].Cells["AvgThroughput"].Value = Math.Round(prev_count /(125* (last_non_zero - first_non_zero)),2);
dataGridFlows.Rows[newRowCount].Cells["AvgDelay"].Value = Math.Round(packet_delay_tot /(double)rec_item.Count(), 2);
count++;
}
return list;
}
public void CreateSendRateChart(ZedGraphControl zgc, Flow[] list)
{
GraphPane myPane = zgc.GraphPane;
System.Drawing.Color[] GraphColors = { Color.Red, Color.Blue, Color.Green, Color.Orange, Color.Purple, Color.Brown };
// Set the titles and axis labels
myPane.Title.Text = "";
myPane.XAxis.Title.Text = "Time, s";
myPane.YAxis.Title.Text = "Send rate (Mbps)";
/*myPane.Legend.Position = LegendPos.Float;
myPane.Legend.Location = new Location(0.95, 0.15, CoordType.PaneFraction,
AlignH.Right, AlignV.Top);
myPane.Legend.FontSpec.Size = 10;*/
myPane.Legend.Position = LegendPos.InsideTopLeft;
// Add a curve
for (int k = 0; k < list.Length; k++)
{
LineItem curve = myPane.AddCurve(list[k].name, list[k].send_rate_list, GraphColors[k % 6], SymbolType.None);
curve.Line.Width = 2.0F;
curve.Line.IsAntiAlias = true;
curve.Symbol.Fill = new Fill(Color.White);
curve.Symbol.Size = 7;
}
// Fill the axis background with a gradient
//myPane.Chart.Fill = new Fill(Color.White, Color.FromArgb(255, Color.ForestGreen), 45.0F);
// Offset Y space between point and label
// NOTE: This offset is in Y scale units, so it depends on your actual data
//const double offset = 1.0;
// Leave some extra space on top for the labels to fit within the chart rect
myPane.YAxis.Scale.MaxGrace = 0.2;
// Calculate the Axis Scale Ranges
zgc.AxisChange();
}