public IAsyncResult BeginConnect(IPAddress[] addresses, int port, AsyncCallback requestCallback, object state)
{
if (Socket.s_LoggingEnabled)
Logging.Enter(Logging.Sockets, (object) this, "BeginConnect", (object) addresses);
if (this.CleanedUp)
throw new ObjectDisposedException(this.GetType().FullName);
if (addresses == null)
throw new ArgumentNullException("addresses");
if (addresses.Length == 0)
throw new ArgumentException(SR.GetString("net_invalidAddressList"), "addresses");
if (!ValidationHelper.ValidateTcpPort(port))
throw new ArgumentOutOfRangeException("port");
if (this.addressFamily != AddressFamily.InterNetwork && this.addressFamily != AddressFamily.InterNetworkV6)
throw new NotSupportedException(SR.GetString("net_invalidversion"));
if (this.isListening)
throw new InvalidOperationException(SR.GetString("net_sockets_mustnotlisten"));
Socket.MultipleAddressConnectAsyncResult context = new Socket.MultipleAddressConnectAsyncResult(addresses, port, this, state, requestCallback);
context.StartPostingAsyncOp(false);
if (Socket.DoMultipleAddressConnectCallback(Socket.PostOneBeginConnect(context), context))
context.InvokeCallback();
context.FinishPostingAsyncOp(ref this.Caches.ConnectClosureCache);
if (Socket.s_LoggingEnabled)
Logging.Exit(Logging.Sockets, (object) this, "BeginConnect", (object) context);
return (IAsyncResult) context;
}
public IAsyncResult BeginConnect(string host, int port, AsyncCallback requestCallback, object state)
{
if (Socket.s_LoggingEnabled)
Logging.Enter(Logging.Sockets, (object) this, "BeginConnect", host);
if (this.CleanedUp)
throw new ObjectDisposedException(this.GetType().FullName);
if (host == null)
throw new ArgumentNullException("host");
if (!ValidationHelper.ValidateTcpPort(port))
throw new ArgumentOutOfRangeException("port");
if (this.addressFamily != AddressFamily.InterNetwork && this.addressFamily != AddressFamily.InterNetworkV6)
throw new NotSupportedException(SR.GetString("net_invalidversion"));
if (this.isListening)
throw new InvalidOperationException(SR.GetString("net_sockets_mustnotlisten"));
Socket.MultipleAddressConnectAsyncResult context = new Socket.MultipleAddressConnectAsyncResult((IPAddress[]) null, port, this, state, requestCallback);
context.StartPostingAsyncOp(false);
IAsyncResult hostAddresses = Dns.UnsafeBeginGetHostAddresses(host, new AsyncCallback(Socket.DnsCallback), (object) context);
if (hostAddresses.CompletedSynchronously && Socket.DoDnsCallback(hostAddresses, context))
context.InvokeCallback();
context.FinishPostingAsyncOp(ref this.Caches.ConnectClosureCache);
if (Socket.s_LoggingEnabled)
Logging.Exit(Logging.Sockets, (object) this, "BeginConnect", (object) context);
return (IAsyncResult) context;
}