public Stream Invoke(Stream requestStream)
{
try
{
XmlRpcSerializer serializer = new XmlRpcSerializer();
Type type = this.GetType();
XmlRpcServiceAttribute serviceAttr = (XmlRpcServiceAttribute)
Attribute.GetCustomAttribute(this.GetType(),
typeof(XmlRpcServiceAttribute));
if (serviceAttr != null)
{
if (serviceAttr.XmlEncoding != null)
serializer.XmlEncoding = Encoding.GetEncoding(serviceAttr.XmlEncoding);
serializer.UseIntTag = serviceAttr.UseIntTag;
serializer.UseStringTag = serviceAttr.UseStringTag;
serializer.UseIndentation = serviceAttr.UseIndentation;
serializer.Indentation = serviceAttr.Indentation;
serializer.AppendTimezoneOffset = serviceAttr.AppendTimezoneOffset; // JB Change
}
XmlRpcRequest xmlRpcReq
= serializer.DeserializeRequest(requestStream, this.GetType());
XmlRpcResponse xmlRpcResp = Invoke(xmlRpcReq);
Stream responseStream = new MemoryStream();
serializer.SerializeResponse(responseStream, xmlRpcResp);
responseStream.Seek(0, SeekOrigin.Begin);
return responseStream;
}
catch (Exception ex)
{
XmlRpcFaultException fex;
if (ex is XmlRpcException)
fex = new XmlRpcFaultException(0, ((XmlRpcException)ex).Message);
else if (ex is XmlRpcFaultException)
fex = (XmlRpcFaultException)ex;
else
fex = new XmlRpcFaultException(0, ex.Message);
XmlRpcSerializer serializer = new XmlRpcSerializer();
Stream responseStream = new MemoryStream();
serializer.SerializeFaultResponse(responseStream, fex);
responseStream.Seek(0, SeekOrigin.Begin);
return responseStream;
}
}
XmlRpcResponse ReadResponse(
XmlRpcRequest req,
WebResponse webResp,
Stream respStm,
Type returnType)
{
HttpWebResponse httpResp = (HttpWebResponse)webResp;
if (httpResp.StatusCode != HttpStatusCode.OK)
{
// status 400 is used for errors caused by the client
// status 500 is used for server errors (not server application
// errors which are returned as fault responses)
if (httpResp.StatusCode == HttpStatusCode.BadRequest)
throw new XmlRpcException(httpResp.StatusDescription);
else
throw new XmlRpcServerException(httpResp.StatusDescription);
}
XmlRpcSerializer serializer = new XmlRpcSerializer();
serializer.NonStandard = _nonStandard;
Type retType = returnType;
if (retType == null)
retType = req.mi.ReturnType;
XmlRpcResponse xmlRpcResp
= serializer.DeserializeResponse(respStm, retType);
return xmlRpcResp;
}
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);
}
}
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;
}
void SerializeResponse(
IMessage responseMsg,
ref ITransportHeaders responseHeaders,
ref Stream responseStream)
{
XmlRpcSerializer serializer = new XmlRpcSerializer();
responseStream = new MemoryStream();
responseHeaders = new TransportHeaders();
ReturnMessage retMsg = (ReturnMessage)responseMsg;
if (retMsg.Exception == null)
{
XmlRpcResponse xmlRpcResp = new XmlRpcResponse(retMsg.ReturnValue);
serializer.SerializeResponse(responseStream, xmlRpcResp);
}
else if (retMsg.Exception is XmlRpcFaultException)
{
serializer.SerializeFaultResponse(responseStream,
(XmlRpcFaultException)retMsg.Exception);
}
else
{
serializer.SerializeFaultResponse(responseStream,
new XmlRpcFaultException(1, retMsg.Exception.Message));
}
responseHeaders["Content-Type"] = "text/xml; charset=\"utf-8\"";
}
// private methods
//
MethodCall DeserializeRequest(
ITransportHeaders requestHeaders,
Stream requestStream)
{
string requestUri = (string) requestHeaders["__RequestUri"];
Type svcType = GetServiceType(requestUri);
XmlRpcSerializer serializer = new XmlRpcSerializer();
XmlRpcRequest xmlRpcReq
= serializer.DeserializeRequest(requestStream, svcType);
Header[] headers = GetChannelHeaders(requestHeaders, xmlRpcReq, svcType);
MethodCall mthdCall = new MethodCall(headers);
mthdCall.ResolveMethod();
return mthdCall;
}
public ServerProcessing ProcessMessage(
IServerChannelSinkStack sinkStack,
IMessage requestMsg,
ITransportHeaders requestHeaders,
Stream requestStream,
out IMessage responseMsg,
out ITransportHeaders responseHeaders,
out Stream responseStream
)
{
// use presence of SOAPAction header to determine if this is a SOAP
// request - if so pass onto next sink in chain
string soapAction = (string) requestHeaders["SOAPAction"];
if (soapAction != null)
{
return m_next.ProcessMessage(sinkStack, requestMsg, requestHeaders,
requestStream, out responseMsg, out responseHeaders,
out responseStream);
}
// for time being assume we have an XML-RPC request (need to improve
// this in case there are other non-SOAP formatters in the chain)
try
{
MethodCall mthdCall = DeserializeRequest(requestHeaders, requestStream);
sinkStack.Push(this, mthdCall);
// forward to next sink in chain - pass request stream as null to
// indicate that we have deserialized the request
m_next.ProcessMessage(sinkStack, mthdCall, requestHeaders, null,
out responseMsg, out responseHeaders, out responseStream);
SerializeResponse(responseMsg, ref responseHeaders, ref responseStream);
}
catch (Exception ex)
{
responseMsg = new ReturnMessage(ex, (IMethodCallMessage)requestMsg);
responseStream = new MemoryStream();
XmlRpcFaultException fex = new XmlRpcFaultException(0, ex.Message);
XmlRpcSerializer serializer = new XmlRpcSerializer();
serializer.SerializeFaultResponse(responseStream,
(XmlRpcFaultException)fex);
responseHeaders = new TransportHeaders();
}
return ServerProcessing.Complete;
}
// 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;
}
IMessage DeserializeMessage(
IMethodCallMessage mcm,
ITransportHeaders headers,
Stream stream)
{
XmlRpcSerializer serializer = new XmlRpcSerializer();
object tp = mcm.MethodBase;
System.Reflection.MethodInfo mi = (System.Reflection.MethodInfo)tp;
System.Type t = mi.ReturnType;
XmlRpcResponse xmlRpcResp = serializer.DeserializeResponse(stream, t);
IMessage imsg = new ReturnMessage(xmlRpcResp.retVal, null, 0, null, mcm);
return imsg;
}
