public static bool IsPossibleBroadcastAddress(NetAddress addr)
{
int sequentialOnes = 0;
foreach (var oct in addr.Address.GetAddressBytes().Reverse())
{
for (int bit = 0; bit < 8; bit++)
{
if (((oct >> bit) & 0x01) == 0x01)
{
sequentialOnes++;
}
else
{
return(sequentialOnes > 1);
}
}
}
return(true);
}
public Task <bool> Connect(NetAddress remote, Func <ISocketAsyncEventArgs, bool> receiveCallback)
{
PLog.LogTrace($"Connecting to {remote}");
TaskCompletionSource <bool> src = new TaskCompletionSource <bool>();
if (
(m_isConnected) ||
(m_isConnecting)
)
{
src.SetResult(false);
return(src.Task);
}
m_isConnecting = true;
m_remote = remote;
try
{
m_receiveCallback = receiveCallback;
ISocketAsyncEventArgs args = m_factory.GetEmptyArgs();
args.UserToken = src;
args.RemoteEndPoint = m_remote;
args.Completed += OnConnectCompleted;
if (!m_socket.ConnectAsync(args))
{
OnConnectCompleted(this, args as SocketAsyncEventArgs);
}
}
catch (Exception ex)
{
PLog.LogError($"Failed to connect to {m_remote}");
m_isConnecting = false;
m_receiveCallback = null;
src.SetException(ex);
}
return(src.Task);
}
public static bool IsMulticastAddress(NetAddress addr)
{
var top = addr.Address.GetAddressBytes().First();
return(top >= 224 && top <= 239);
}