void Connect_Connect_End(IAsyncResult ar)
{
Connect_SO stateObj = (Connect_SO)ar.AsyncState;
try
{
stateObj.UpdateContext();
_socket.EndConnect(ar);
//------------------------------------------
// Send CONNECT command
byte[] cmd = GetConnectCmd(stateObj.HostName,
stateObj.HostPort,
stateObj.UseCredentials);
NStream.BeginWrite(cmd, 0, cmd.Length,
new AsyncCallback(Connect_Write_End),
stateObj);
}
catch (Exception e)
{
stateObj.Exception = e;
stateObj.SetCompleted();
}
}
void Connect_Connect_End(IAsyncResult ar)
{
Connect_SO stateObj = (Connect_SO)ar.AsyncState;
try
{
stateObj.UpdateContext();
_socket.EndConnect(ar);
_localEndPoint = null;
_remoteEndPoint = stateObj.RemoteEndPoint;
//------------------------------------
// Send CONNECT command
//
byte[] cmd = PrepareConnectCmd(stateObj.RemoteEndPoint);
NStream.BeginWrite(cmd,
0,
cmd.Length,
new AsyncCallback(Connect_Write_End),
stateObj);
}
catch (Exception e)
{
stateObj.Exception = e;
stateObj.SetCompleted();
}
}
void Bind_Connect_End(IAsyncResult ar)
{
Bind_SO stateObj = (Bind_SO)ar.AsyncState;
try
{
stateObj.UpdateContext();
_socket.EndConnect(ar);
//------------------------------------
// Send CONNECT command
//
byte[] cmd = PrepareBindCmd(stateObj.BaseSocket);
NStream.BeginWrite(cmd,
0,
cmd.Length,
new AsyncCallback(Bind_Write_End),
stateObj);
}
catch (Exception e)
{
stateObj.Exception = e;
stateObj.SetCompleted();
}
}
void Connect_ReadReply_End(IAsyncResult ar)
{
Connect_SO stateObj = (Connect_SO)ar.AsyncState;
try
{
stateObj.UpdateContext();
ByteVector reply = EndReadReply(ar);
//------------------------------------------
// Analyze reply
string reason = null;
int code = AnalyzeReply(reply, out reason);
//------------------------------------------
// is good return code?
if (code >= 200 && code <= 299)
{
stateObj.SetCompleted();
}
else if ((407 == code) &&
!(stateObj.UseCredentials) &&
(_proxyUser != null))
{
//------------------------------------------
// If Proxy Authentication Required
// but we do not issued it, then try again
stateObj.UseCredentials = true;
//------------------------------------------
// Send CONNECT command
byte[] cmd = GetConnectCmd(
stateObj.HostName,
stateObj.HostPort,
stateObj.UseCredentials);
NStream.BeginWrite(cmd, 0, cmd.Length,
new AsyncCallback(Connect_Write_End),
stateObj);
}
else
{
// string msg = string.Format("Connection refused by web proxy: {0} ({1}).", reason, code);
// throw new ProxyErrorException(msg);
throw new SocketException(SockErrors.WSAECONNREFUSED);
}
}
catch (Exception e)
{
stateObj.Exception = e;
stateObj.SetCompleted();
}
}