public object Invoke(
Object clientObj,
MethodInfo mi,
params object[] parameters)
{
#if (!COMPACT_FRAMEWORK)
_responseHeaders = null;
_responseCookies = null;
#endif
WebRequest webReq = null;
object reto = null;
try
{
string useUrl = GetEffectiveUrl(clientObj);
webReq = GetWebRequest(new Uri(useUrl));
XmlRpcRequest req = MakeXmlRpcRequest(webReq, mi, parameters,
clientObj, _xmlRpcMethod, _id);
SetProperties(webReq);
SetRequestHeaders(_headers, webReq);
#if (!COMPACT_FRAMEWORK)
SetClientCertificates(_clientCertificates, webReq);
#endif
Stream serStream = null;
Stream reqStream = null;
bool logging = (RequestEvent != null);
if (!logging)
serStream = reqStream = webReq.GetRequestStream();
else
serStream = new MemoryStream(2000);
try
{
XmlRpcSerializer serializer = new XmlRpcSerializer();
if (_xmlEncoding != null)
serializer.XmlEncoding = _xmlEncoding;
serializer.UseIndentation = _useIndentation;
serializer.Indentation = _indentation;
serializer.NonStandard = _nonStandard;
serializer.UseStringTag = _useStringTag;
serializer.UseIntTag = _useIntTag;
serializer.UseEmptyParamsTag = _useEmptyParamsTag;
serializer.SerializeRequest(serStream, req);
if (logging)
{
reqStream = webReq.GetRequestStream();
serStream.Position = 0;
Util.CopyStream(serStream, reqStream);
reqStream.Flush();
serStream.Position = 0;
OnRequest(new XmlRpcRequestEventArgs(req.proxyId, req.number,
serStream));
}
}
finally
{
if (reqStream != null)
reqStream.Close();
}
HttpWebResponse webResp = GetWebResponse(webReq) as HttpWebResponse;
#if (!COMPACT_FRAMEWORK)
_responseCookies = webResp.Cookies;
_responseHeaders = webResp.Headers;
#endif
Stream respStm = null;
Stream deserStream;
logging = (ResponseEvent != null);
try
{
respStm = webResp.GetResponseStream();
if (!logging)
{
deserStream = respStm;
}
else
{
deserStream = new MemoryStream(2000);
Util.CopyStream(respStm, deserStream);
deserStream.Flush();
deserStream.Position = 0;
}
#if (!COMPACT_FRAMEWORK && !FX1_0)
deserStream = MaybeDecompressStream((HttpWebResponse)webResp,
deserStream);
#endif
try
{
XmlRpcResponse resp = ReadResponse(req, webResp, deserStream, null);
reto = resp.retVal;
}
finally
{
if (logging)
{
deserStream.Position = 0;
OnResponse(new XmlRpcResponseEventArgs(req.proxyId, req.number,
deserStream));
}
}
}
finally
{
if (respStm != null)
respStm.Close();
}
}
finally
{
if (webReq != null)
webReq = null;
}
return reto;
}
static void GetRequestStreamCallback(IAsyncResult asyncResult)
{
XmlRpcAsyncResult clientResult
= (XmlRpcAsyncResult)asyncResult.AsyncState;
clientResult.CompletedSynchronously = asyncResult.CompletedSynchronously;
try
{
Stream serStream = null;
Stream reqStream = null;
bool logging = (clientResult.ClientProtocol.RequestEvent != null);
if (!logging)
{
serStream = reqStream
= clientResult.Request.EndGetRequestStream(asyncResult);
}
else
serStream = new MemoryStream(2000);
try
{
XmlRpcRequest req = clientResult.XmlRpcRequest;
XmlRpcSerializer serializer = new XmlRpcSerializer();
if (clientResult.XmlEncoding != null)
serializer.XmlEncoding = clientResult.XmlEncoding;
serializer.UseEmptyParamsTag = clientResult.UseEmptyParamsTag;
serializer.UseIndentation = clientResult.UseIndentation;
serializer.Indentation = clientResult.Indentation;
serializer.UseIntTag = clientResult.UseIntTag;
serializer.UseStringTag = clientResult.UseStringTag;
serializer.SerializeRequest(serStream, req);
if (logging)
{
reqStream = clientResult.Request.EndGetRequestStream(asyncResult);
serStream.Position = 0;
Util.CopyStream(serStream, reqStream);
reqStream.Flush();
serStream.Position = 0;
clientResult.ClientProtocol.OnRequest(
new XmlRpcRequestEventArgs(req.proxyId, req.number, serStream));
}
}
finally
{
if (reqStream != null)
reqStream.Close();
}
clientResult.Request.BeginGetResponse(
new AsyncCallback(GetResponseCallback), clientResult);
}
catch (Exception ex)
{
ProcessAsyncException(clientResult, ex);
}
}
// private methods
//
void SerializeMessage(
IMethodCallMessage mcm,
ref ITransportHeaders headers,
ref Stream stream)
{
ITransportHeaders reqHeaders = new TransportHeaders();
reqHeaders["__Uri"] = mcm.Uri;
reqHeaders["Content-Type"] = "text/xml; charset=\"utf-8\"";
reqHeaders["__RequestVerb"] = "POST";
MethodInfo mi = (MethodInfo) mcm.MethodBase;
string methodName = GetRpcMethodName(mi);
XmlRpcRequest xmlRpcReq = new XmlRpcRequest(methodName, mcm.InArgs);
// TODO: possibly call GetRequestStream from next sink in chain?
// TODO: SoapClientFormatter sink uses ChunkedStream - check why?
Stream stm = new MemoryStream();
XmlRpcSerializer serializer = new XmlRpcSerializer();
serializer.SerializeRequest(stm, xmlRpcReq);
stm.Position = 0;
headers = reqHeaders;
stream = stm;
}
