public static WebResponse CreateWebResponse(PtunConnection conn, string op, Dictionary <string, byte[]> extpars, string sqlForLogPurpose)
{
var fp = conn.FailoverParams;
var start = DateTime.Now;
Exception httpError = null;
int reqindex = 0;
for (; reqindex < fp.MaxRequestCount; reqindex++)
{
try
{
HttpWebRequest webrequest = (HttpWebRequest)WebRequest.Create(conn.Params.Url);
if (!String.IsNullOrEmpty(conn.Params.HttpLogin))
{
webrequest.Credentials = new NetworkCredential(conn.Params.HttpLogin, conn.Params.HttpPassword);
}
webrequest.ContentType = "application/x-www-form-urlencoded; charset=" + conn.Params.RealEncoding.WebName;
webrequest.Method = "POST";
Dictionary <string, byte[]> pars = new Dictionary <string, byte[]>();
pars["CHECK"] = Encoding.ASCII.GetBytes(conn.Params.Check);
pars["HOST"] = Encoding.ASCII.GetBytes(conn.Params.Host ?? "");
pars["USER"] = Encoding.ASCII.GetBytes(conn.Params.Login ?? "");
pars["PORT"] = Encoding.ASCII.GetBytes(PtunDefaults.Instance.Port(conn.Params.Engine, conn.Params.Port).ToString());
pars["PASSWORD"] = Encoding.ASCII.GetBytes(conn.Params.Password ?? "");
pars["ENGINE"] = Encoding.ASCII.GetBytes(PtunDefaults.Instance.Engine(conn.Params.Engine));
pars["DATABASE"] = Encoding.ASCII.GetBytes(conn.Database ?? "");
pars["OPERATION"] = Encoding.ASCII.GetBytes(op);
pars["VERSION"] = Encoding.ASCII.GetBytes(VERSION.ToString());
pars["ENCODINGSTYLE"] = Encoding.ASCII.GetBytes(conn.Params.EncodingStyle.ToString());
pars.AddAll(extpars);
string pars_enc = StringTool.UrlEncode(pars);
byte[] data = conn.Params.RealEncoding.GetBytes(pars_enc);
webrequest.ContentLength = data.Length;
webrequest.Timeout = reqindex == 0 ? fp.HttpRequestTimeoutMilisecs : fp.RepeatedHttpRequestTimeoutMilisecs;
using (Stream requestStream = webrequest.GetRequestStream())
{
requestStream.Write(data, 0, data.Length);
}
try
{
WebResponse resp = webrequest.GetResponse();
return(resp);
}
catch (Exception e)
{
Logging.Warning(String.Format("PHP tunnel error (run {0}), trying again:{1}", reqindex, e.Message));
Thread.Sleep(fp.DelayBeforeRepeatedRequestMilisecs);
httpError = e;
}
if ((DateTime.Now - start).TotalMilliseconds > fp.RepeatedRequestTimeoutMilisecs)
{
break;
}
}
catch (UriFormatException err)
{
throw new ConnectionFailedError(err);
}
}
Logging.Info(String.Format("Repeated PTUN request failed, repeated={0}", reqindex));
if (sqlForLogPurpose != null)
{
DbConnectionExtension.LogExecuteQuery(sqlForLogPurpose);
}
else
{
Logging.Debug("Executing PTUN operation:" + op);
}
throw httpError;
}
