/*
* send request to Hydra server and receive the respond using string which represent function name and its arguments
* */
public string callServer(string request)
{
string result = "";
try
{
httpWebRequest = (HttpWebRequest)WebRequest.Create(webAddr);
httpWebRequest.KeepAlive = false;
httpWebRequest.Timeout = System.Threading.Timeout.Infinite;
httpWebRequest.ProtocolVersion = HttpVersion.Version10;
httpWebRequest.Method = "POST";
addCookie();
httpWebRequest.Headers.Add("session_id", user.sessonid);
using (var streamWriter = new StreamWriter(httpWebRequest.GetRequestStream()))
{
streamWriter.Write(request);
streamWriter.Flush();
}
var httpResponse = (HttpWebResponse)httpWebRequest.GetResponse();
if (cookies == null && string.IsNullOrEmpty(user.sessonid))
{
this.getCokkie(httpResponse);
}
using (var streamReader = new StreamReader(httpResponse.GetResponseStream()))
{
result = streamReader.ReadToEnd();
}
}
catch (System.Net.WebException ex)
{
string errormessage = "";
try
{
using (var streamReader = new StreamReader(ex.Response.GetResponseStream()))
{
errormessage = streamReader.ReadToEnd();
MessagesWriter.writeErrorMessage(ex.Message + "\nDetailed server response: " + errormessage, "", "");
}
}
catch (System.NullReferenceException ex2)
{
MessagesWriter.writeErrorMessage("No connection can be established ");
}
}
catch (System.NullReferenceException ex)
{
MessagesWriter.writeErrorMessage(ex.Message, "", "");
}
catch (Exception ex)
{
MessagesWriter.writeErrorMessage(ex.Message, "", "");
}
return(result);
}
