// Collapses a group of packets. This involves incrementing the group
// counter and clearing the savedPackets stack by moving top back to 0.
// If this is the first group to be collapsed, the collapse time needs
// to be set, which marks when this collapsing began.
static void collapse(PacketGroup group,
CollapseInfo collapseInfo,
PacketQueue pktQ)
{
collapseInfo.count[(byte)group]++;
if (collapseInfo.timeSop == 0)
{
if (!pktQ.isEmpty())
{
collapseInfo.timeSop = pktQ.headSop();
}
else
{
collapseInfo.timeSop = pktQ.tailSop();
}
}
pktQ.clear();
}
private void DrawNetwork(Graphics buffer, DhtNetwork network, Point center, int radius, int innerRad)
{
// draw dhts
float sweepAngle = 360;
Pen orangePen = new Pen(Color.Orange, 1);
int arcs = 0;
int maxLevels = 5;
uint localID = (uint)(network.Local.UserID >> 32);
int drawBuckets = network.Routing.BucketList.Count - 1; // -1 last is drawn by previous
if (network.Routing.BucketList.Count > maxLevels)
{
drawBuckets = maxLevels;
}
for (int i = 0; i < drawBuckets; i++, sweepAngle /= 2)
{
if (sweepAngle < 0.1)
{
break;
}
int outterRad = innerRad + ((radius - innerRad) * i / drawBuckets);
uint lowpos = localID >> (32 - i);
lowpos = lowpos << (32 - i);
uint highpos = lowpos | ((uint)1 << 31 - i);
float startAngle = 360 * ((float)lowpos / (float)uint.MaxValue);
if (i != 0)
{
arcs++;
buffer.DrawArc(orangePen, GetBoundingBox(center, outterRad), startAngle, sweepAngle);
buffer.DrawLine(orangePen, GetCircumPoint(center, outterRad, lowpos), GetCircumPoint(center, radius, lowpos));
buffer.DrawLine(orangePen, GetCircumPoint(center, outterRad, highpos), GetCircumPoint(center, radius, highpos));
}
else
{
buffer.DrawLine(orangePen, GetCircumPoint(center, innerRad, 0), GetCircumPoint(center, radius, 0));
buffer.DrawLine(orangePen, GetCircumPoint(center, innerRad, uint.MaxValue / 2), GetCircumPoint(center, radius, uint.MaxValue / 2));
}
}
// load packets to draw
Dictionary <ulong, PacketGroup> targets = new Dictionary <ulong, PacketGroup>();
lock (network.LoggedPackets)
foreach (PacketLogEntry packet in network.LoggedPackets)
{
if (packet.Address == null)
{
continue;
}
if (packet.Time < Core.TimeNow.AddSeconds(-1))
{
continue;
}
PacketGroup group;
if (!targets.TryGetValue(packet.Address.UserID, out group))
{
group = new PacketGroup(network.Local.UserID, packet.Address.UserID);
targets[packet.Address.UserID] = group;
}
group.TotalSize += packet.Data.Length;
group.Packets.Add(packet.Data);
}
// draw packets, each group is a different target
foreach (PacketGroup group in targets.Values)
{
group.SetPoints(GetCircumPoint(center, radius, group.SourceID), GetCircumPoint(center, radius, group.DestID));
TrafficPen.Width = PacketPen.Width = 1;
group.LineSize = 200 + 20;
if (group.TotalSize > 200)
{
TrafficPen.Width = PacketPen.Width = 2;
group.LineSize = 1000 + 100;
}
if (group.TotalSize > 1000)
{
TrafficPen.Width = PacketPen.Width = 3;
group.LineSize = group.TotalSize + 500;
}
// calc break size
double breakSize = (group.LineSize - group.TotalSize) / (group.Packets.Count + 1);
double pos = breakSize;
buffer.DrawLine(TrafficPen, group.GetPoint(0), group.GetPoint(pos));
foreach (byte[] packet in group.Packets)
{
buffer.DrawLine(PacketPen, group.GetPoint(pos), group.GetPoint(pos + packet.Length));
pos += packet.Length;
buffer.DrawLine(TrafficPen, group.GetPoint(pos), group.GetPoint(pos + breakSize));
pos += breakSize;
}
}
// draw network ring
Rectangle box = GetBoundingBox(center, radius);
Pen ringPen = network.Responsive ? ConnectedPen : DisconnectedPen;
buffer.DrawEllipse(ringPen, box);
// get nodes
List <ulong> peers = new List <ulong>();
peers.Add(network.Local.UserID);
lock (network.Routing.BucketList)
foreach (DhtBucket bucket in network.Routing.BucketList)
{
foreach (DhtContact contact in bucket.ContactList)
{
peers.Add(contact.UserID);
}
}
// draw nodes
foreach (ulong id in peers)
{
box = GetBoundingBox(GetCircumPoint(center, radius, id), 3);
buffer.FillEllipse(NodeBrush, box);
}
// draw ring around self
box = GetBoundingBox(GetCircumPoint(center, radius, network.Local.UserID), 5);
buffer.DrawEllipse(GetSelfPen(network.Core.Firewall), box);
}
