private void GetBody(System.Web.HttpContext context)
{
CustomTracer.Write("HttpSimpleSocket GetBody: establishing a TcpClient connection", context);
GetConnection();
CustomTracer.Write("HttpSimpleSocket GetBody: got a connection", context);
string request =
"GET " + path + " HTTP/1.1\r\n" +
"Host: " + host + ":" + port + "\r\n\r\n" +
"Connection : close\r\n\r\n";
GetResponse(context, request);
ExtractResponse();
CustomTracer.Write("HttpSimpleSocket GetBody: done reading response", context);
}
//grab the entire raw response
//this may not be the best way to do this but the response is puuled in two formats:
//ASCII and binary. We use the ascii copy to search the headers and chunks. Some utf-8
//text may get mangled but atleast the character count is preserved. If we converted to
//UTF-8, the text would look good but some multi-byte characters would distort the character
//count. We use the binary data to parse out the needed chunks and then convert that to
//UTF-8 which gets passed back to the client.
private void GetResponse(System.Web.HttpContext context, string strReq)
{
NetworkStream ns = client.GetStream();
Stream stream = null;
if (useSsl)
{
var sslStream = new SslStream(ns);
sslStream.AuthenticateAsClient(host);
stream = sslStream;
}
else
{
stream = new BufferedStream(ns);
}
CustomTracer.Write("HttpSimpleSocket GetBody: got a response", context);
ArrayList lst = new ArrayList();
StringBuilder strBuff = new StringBuilder();
try
{
byte[] bytes = System.Text.Encoding.UTF8.GetBytes(strReq);
stream.Write(bytes, 0, bytes.Length);
buff = new byte[1024];
int bytesRead = 0;
try
{
while ((bytesRead = stream.Read(buff, 0, buff.Length)) > 0)
{
byte[] cpy = new byte[bytesRead];
Array.Copy(buff, cpy, bytesRead);
lst.AddRange(cpy);
strBuff.Append(Encoding.ASCII.GetString(buff, 0, bytesRead));
}
}
catch (System.IO.IOException ioe)
{
Exception inner = ioe.InnerException;
if (inner != null && inner is SocketException)
{
throw ioe.InnerException;
}
else
{
throw ioe;
}
}
buff = (byte[])lst.ToArray(Type.GetType("System.Byte"));
}
finally
{
if (stream != null)
{
stream.Close();
}
client.Close();
}
body = strBuff.ToString();
}
