// Token: 0x060007F4 RID: 2036 RVA: 0x0001CCD0 File Offset: 0x0001AED0
private static void ConnectAsyncpublic(this EndPoint remoteEndPoint, EndPoint localEndPoint, ConnectedCallback callback, object state)
{
if (remoteEndPoint is DnsEndPoint)
{
DnsEndPoint dnsEndPoint = (DnsEndPoint)remoteEndPoint;
IAsyncResult asyncResult = Dns.BeginGetHostAddresses(dnsEndPoint.Host, new AsyncCallback(ConnectAsyncExtension.OnGetHostAddresses), new ConnectAsyncExtension.DnsConnectState
{
Port = dnsEndPoint.Port,
Callback = callback,
State = state,
LocalEndPoint = localEndPoint
});
if (asyncResult.CompletedSynchronously)
{
ConnectAsyncExtension.OnGetHostAddresses(asyncResult);
return;
}
}
else
{
SocketAsyncEventArgs e = ConnectAsyncExtension.CreateSocketAsyncEventArgs(remoteEndPoint, callback, state);
Socket socket = new Socket(remoteEndPoint.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
if (localEndPoint != null)
{
socket.ExclusiveAddressUse = false;
socket.Bind(localEndPoint);
}
socket.ConnectAsync(e);
}
}
// Token: 0x060007F7 RID: 2039 RVA: 0x0001CF08 File Offset: 0x0001B108
private static void SocketConnectCompleted(object sender, SocketAsyncEventArgs e)
{
ConnectAsyncExtension.DnsConnectState dnsConnectState = e.UserToken as ConnectAsyncExtension.DnsConnectState;
if (e.SocketError == SocketError.Success)
{
ConnectAsyncExtension.ClearSocketAsyncEventArgs(e);
dnsConnectState.Callback((Socket)sender, dnsConnectState.State, e, null);
return;
}
if (e.SocketError != SocketError.HostUnreachable && e.SocketError != SocketError.ConnectionRefused)
{
ConnectAsyncExtension.ClearSocketAsyncEventArgs(e);
dnsConnectState.Callback(null, dnsConnectState.State, e, null);
return;
}
Socket socket;
IPAddress nextAddress = ConnectAsyncExtension.GetNextAddress(dnsConnectState, out socket);
if (nextAddress == null)
{
ConnectAsyncExtension.ClearSocketAsyncEventArgs(e);
e.SocketError = SocketError.HostUnreachable;
dnsConnectState.Callback(null, dnsConnectState.State, e, null);
return;
}
e.RemoteEndPoint = new IPEndPoint(nextAddress, dnsConnectState.Port);
if (!socket.ConnectAsync(e))
{
ConnectAsyncExtension.SocketConnectCompleted(socket, e);
}
}
// Token: 0x060007F6 RID: 2038 RVA: 0x0001CDD4 File Offset: 0x0001AFD4
private static void OnGetHostAddresses(IAsyncResult result)
{
ConnectAsyncExtension.DnsConnectState dnsConnectState = result.AsyncState as ConnectAsyncExtension.DnsConnectState;
IPAddress[] array;
try
{
array = Dns.EndGetHostAddresses(result);
}
catch (Exception exception)
{
dnsConnectState.Callback(null, dnsConnectState.State, null, exception);
return;
}
if (array == null || array.Length == 0)
{
dnsConnectState.Callback(null, dnsConnectState.State, null, new SocketException(11001));
return;
}
dnsConnectState.Addresses = array;
Socket socket;
IPAddress nextAddress = ConnectAsyncExtension.GetNextAddress(dnsConnectState, out socket);
if (nextAddress == null)
{
dnsConnectState.Callback(null, dnsConnectState.State, null, new SocketException(10047));
return;
}
if (dnsConnectState.LocalEndPoint != null)
{
try
{
socket.ExclusiveAddressUse = false;
socket.Bind(dnsConnectState.LocalEndPoint);
}
catch (Exception exception2)
{
dnsConnectState.Callback(null, dnsConnectState.State, null, exception2);
return;
}
}
SocketAsyncEventArgs socketAsyncEventArgs = new SocketAsyncEventArgs();
socketAsyncEventArgs.Completed += ConnectAsyncExtension.SocketConnectCompleted;
IPEndPoint remoteEndPoint = new IPEndPoint(nextAddress, dnsConnectState.Port);
socketAsyncEventArgs.RemoteEndPoint = remoteEndPoint;
socketAsyncEventArgs.UserToken = dnsConnectState;
if (!socket.ConnectAsync(socketAsyncEventArgs))
{
ConnectAsyncExtension.SocketConnectCompleted(socket, socketAsyncEventArgs);
}
}
