/// <summary>
/// Call an XmlRpc method
/// </summary>
/// <param name="methodName">method name</param>
/// <param name="parameters">variable length list of parameters</param>
/// <returns>response from the remote host</returns>
/// <exception cref="Exception">allows all exceptions to propagate out of the method</exception>
public XmlRpcMethodResponse CallMethod(string methodName, params XmlRpcValue[] parameters)
{
//select the encoding
Encoding encodingToUse = StringHelper.GetEncoding(_transportEncoding, new UTF8Encoding(false, false));
// build the XmlRpc packet
byte[] requestBytes = GetRequestBytes(encodingToUse, methodName, parameters, false);
if (ApplicationDiagnostics.VerboseLogging)
{
LogXmlRpcRequest(encodingToUse, methodName, parameters);
}
// send the request
HttpWebResponse response;
try
{
response = HttpRequestHelper.SendRequest(_hostname, delegate(HttpWebRequest request)
{
request.Method = "POST";
request.AllowAutoRedirect = false;
request.ContentType = String.Format(CultureInfo.InvariantCulture, "{0};charset={1}", MimeHelper.TEXT_XML, encodingToUse.WebName);
if (_requestFilter != null)
{
_requestFilter(request);
}
using (Stream requestStream = request.GetRequestStream())
StreamHelper.Transfer(new MemoryStream(requestBytes), requestStream);
});
}
catch
{
if (!ApplicationDiagnostics.VerboseLogging) // if test mode, request has already been logged
{
LogXmlRpcRequest(encodingToUse, methodName, parameters);
}
throw;
}
// WinLive 616: The response encoding may not necessarily be the same as our request encoding. Attempt to
// use the encoding specified in the HTTP header.
string characterSet;
if (TryGetCharacterSet(response, out characterSet))
{
encodingToUse = StringHelper.GetEncoding(characterSet, encodingToUse);
}
// return the response
using (StreamReader reader = new StreamReader(response.GetResponseStream(), encodingToUse))
{
string xmlRpcString = reader.ReadToEnd();
if (ApplicationDiagnostics.VerboseLogging)
{
LogXmlRpcResponse(xmlRpcString);
}
try
{
XmlRpcMethodResponse xmlRpcResponse = new XmlRpcMethodResponse(xmlRpcString);
if (xmlRpcResponse.FaultOccurred)
{
if (!ApplicationDiagnostics.VerboseLogging) // if test mode, response has already been logged
{
LogXmlRpcRequest(encodingToUse, methodName, parameters);
LogXmlRpcResponse(xmlRpcString);
}
}
return(xmlRpcResponse);
}
catch (Exception ex)
{
Trace.WriteLine("Exception parsing XML-RPC response:\r\n\r\n" + ex.ToString() + "\r\n\r\n" + xmlRpcString);
throw;
}
}
}
