| public static GetLocalIPAddresses ( ) : System.Net.IPAddress[] | ||
| return | System.Net.IPAddress[] | |
public void Test() {
IPAddress[] base_addresses = Dns.GetHostAddresses(string.Empty);
ArrayList local_ips = new ArrayList(base_addresses);
local_ips.Add(IPAddress.Loopback);
ArrayList ips = new ArrayList(IPHandler.GetLocalIPAddresses());
foreach(IPAddress addr in local_ips) {
Assert.IsTrue(ips.Contains(addr), addr + " is not in ips");
}
Assert.AreEqual(ips.Count, local_ips.Count, "Count");
}
/**
* <summary>Sends the data over the multicast socket.</summary>
* <param name="data">The data to send.</summary>
*/
public override void Send(ICopyable data)
{
IPAddress[] ips = LocalIPAddresses;
if (ips == null)
{
ips = IPHandler.GetLocalIPAddresses();
}
// Silly users can trigger a handful of exceptions here...
try {
data = new CopyList(IPHandler.MagicCookie, data);
byte[] buffer = new byte[data.Length];
int length = data.CopyTo(buffer, 0);
// I REALLY HATE THIS but we can't be setting this option in more than one thread!
lock (_s) {
foreach (IPAddress ip in ips)
{
/*
* This can throw an exception on an invalid address, we need to skip it and move on!
* Never showed to be an issue in Linux, but Windows does some weird things.
*/
try {
_s.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.MulticastInterface,
IPHandler.IPAddressToInt(ip));
}
catch {
continue;
}
_s.SendTo(buffer, 0, length, 0, EndPoint);
}
}
}
catch (System.Net.Sockets.SocketException sx) {
throw new SendException(true, "SocketException", sx);
}
// Can't pass the fact that the IPHandler is not running :-/
catch (ObjectDisposedException odx) {
throw new SendException(false, "Socket appears to be disposed", odx);
}
catch (Exception e) {
ProtocolLog.WriteIf(ProtocolLog.Exceptions, "ERROR: " + e);
throw new SendException(true, "Socket appears to be disposed", e);
}
}