public void ReceiveJoinDataPacket(JoinData packet)
{
if (!MessageCache.Contains(new MessagePrint(packet.SourceIp, packet.SequenceNumber)))
{
MessageCache.Add(new MessagePrint(packet.SourceIp, packet.SequenceNumber));
RoutingTable.Add(new RoutingTableElement(packet.SourceIp, packet.PreviousHopIp));
if (packet.MulticastGroupIp == NodeId)
{
JoinTable newJoinTablePacket = new JoinTable(packet.PreviousHopIp, packet.SequenceNumber, packet.SourceIp, NodeId, NodeId);
SendJoinTable(newJoinTablePacket);
}
else
{
JoinData newPacket = new JoinData(packet.TTL, packet.SequenceNumber, packet.SourceIp, NodeId, packet.MulticastGroupIp);
if (newPacket.SourceIp != NodeId)
{
newPacket.HopCount = packet.HopCount + 1;
newPacket.TTL--;
}
if (newPacket.TTL > 0)
{
SendJoinData(newPacket);
}
}
}
}
public void SendMessage(int receiveIp)
{
if (!ForwardingTable.Contains(new ForwardingTableElement(receiveIp)))
{
JoinData newJoinDataPacket = new JoinData(20, SequenceId, NodeId, NodeId, receiveIp);
ReceiveJoinDataPacket(newJoinDataPacket);
}
else
{
DataPacket newDataPacket = new DataPacket(SequenceId, receiveIp, NodeId, "");
MessageCache.Add(new MessagePrint(newDataPacket.SourceIp, newDataPacket.SequenceId));
SendData(newDataPacket);
}
}
private void SendJoinData(JoinData packet)
{
foreach (var nnode in NodeScanner.GetNearbyNodes(this, AllNodes))
{
int timeElapsed = 0;
new Thread(() =>
{
Thread.Sleep((int)(nnode.Key * 10) - timeElapsed);
timeElapsed += (int)(nnode.Key * 10);
Thread.CurrentThread.IsBackground = true;
nnode.Value.ReceiveJoinDataPacket(packet);
OnPacketSent(packet, new EventArgs());
}).Start();
}
}
