public void Broadcast(byte[] data, int period, int count)
{
IsBroadcasting = true;
for (int i = 0; count < 0 ? true : i < count; i++)
{
foreach (var ip in
from address in Dns.GetHostAddresses(Dns.GetHostName())
where address.AddressFamily == AddressFamily.InterNetwork
select address)
{
client.BindIfNecessary(ip);
if (data == null)
{
data = new byte[0];
}
client.Send(data);
if (!IsBroadcasting)
{
break;
}
if (period > 0)
{
Thread.Sleep(period);
}
}
if (!IsBroadcasting)
{
break;
}
}
IsBroadcasting = false;
}
public void Listen(bool sempiternally)
{
IsListenning = true;
var localAddresses = new List <IPAddress>();
foreach (var ip in
from address in Dns.GetHostAddresses(Dns.GetHostName())
where address.AddressFamily == AddressFamily.InterNetwork
select address)
{
localAddresses.Add(ip);
client.BindIfNecessary(ip);
}
byte[] data = null;
IPEndPoint sender;
while (IsListenning)
{
try
{
sender = client.Receive(out data);
}
catch (SocketException e)
{
if (e.SocketErrorCode == SocketError.TimedOut && sempiternally)
{
continue;
}
else
{
break;
}
}
if (sender == null)
{
break;
}
else if (!localAddresses.Contains(sender.Address))
{
onDataHeard(sender, data);
}
}
IsListenning = false;
}
