private static async Task <Socket> ConnectHttpAsync(string host, int port)
{
//TODO: need testing
Socket socket = null;
try
{
socket = await SocketHelper.ConnectAsync(host, port);
if (socket == null)
{
return(null);
}
await Task.Run(() => { socket.Send(Encoding.UTF8.GetBytes("CONNECT " + host + ":" + port + " HTTP/1.0\r\n\r\n")); });
byte[] recvBuffer = new byte[39];
string respond = string.Empty;
int received, tbytes = 0;
await Task.Run(() =>
{
do
{
received = 0;
received = socket.Receive(recvBuffer);
if (received == 0)
{
break;
}
tbytes += received;
respond += Encoding.ASCII.GetString(recvBuffer, 0, recvBuffer.Length);
//if (respond.Contains("\r\n\r\n")) break;
}while ((tbytes > 0) && (tbytes < 39));
});
if (respond.Contains("200"))
{
return(socket);
}
}
catch (Exception exp) { ExceptionHelper.Log(exp); }
if (socket != null)
{
socket.Close();
}
return(null);
}
protected async Task <Socket> createStreamAsync(string host, int port)
{
if (IsCanceled)
{
return(null);
}
Socket s = null;
if ((ProxyClient.Proxy != null))
{
s = await ProxyClient.ConnectAsync(host, port);
if (s != null)
{
InfoMessage("Proxy connection established.", MessageType.Info);
}
else
{
InfoMessage("unable to Connect to the proxy", MessageType.Error);
}
}
else
{
Socket socket = await SocketHelper.ConnectAsync(host, port);
if (socket != null)
{
s = socket;
if (!isIPV6.HasValue)
{
isIPV6 = SocketHelper.IsIPV6();
}
}
}
return(s);
}
