static bool ProcessAsyncResponseStreamResult(XmlRpcAsyncResult result,
IAsyncResult asyncResult)
{
int endReadLen = result.ResponseStream.EndRead(asyncResult);
long contLen = result.Response.ContentLength;
bool completed;
if (endReadLen == 0)
{
completed = true;
}
else if (contLen > 0 && endReadLen == contLen)
{
result.ResponseBufferedStream = new MemoryStream(result.Buffer);
completed = true;
}
else
{
if (result.ResponseBufferedStream == null)
{
result.ResponseBufferedStream = new MemoryStream(result.Buffer.Length);
}
result.ResponseBufferedStream.Write(result.Buffer, 0, endReadLen);
completed = false;
}
if (completed)
{
result.Complete();
}
return(completed);
}
static void ReadAsyncResponseStream(XmlRpcAsyncResult result)
{
IAsyncResult asyncResult;
do
{
byte[] buff = result.Buffer;
long contLen = result.Response.ContentLength;
if (buff == null)
{
if (contLen == -1)
{
result.Buffer = new Byte[1024];
}
else
{
result.Buffer = new Byte[contLen];
}
}
else
{
if (contLen != -1 && contLen > result.Buffer.Length)
{
result.Buffer = new Byte[contLen];
}
}
buff = result.Buffer;
asyncResult = result.ResponseStream.BeginRead(buff, 0, buff.Length,
new AsyncCallback(ReadResponseCallback), result);
if (!asyncResult.CompletedSynchronously)
{
return;
}
}while (!(ProcessAsyncResponseStreamResult(result, asyncResult)));
}
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 IAsyncResult BeginInvoke(
MethodInfo mi,
object[] parameters,
object clientObj,
AsyncCallback callback,
object outerAsyncState)
{
string useUrl = GetEffectiveUrl(clientObj);
WebRequest webReq = GetWebRequest(new Uri(useUrl));
XmlRpcRequest xmlRpcReq = MakeXmlRpcRequest(webReq, mi,
parameters, clientObj, _xmlRpcMethod, _id);
SetProperties(webReq);
SetRequestHeaders(_headers, webReq);
SetClientCertificates(_clientCertificates, webReq);
Encoding useEncoding = null;
if (_xmlEncoding != null)
{
useEncoding = _xmlEncoding;
}
XmlRpcAsyncResult asr = new XmlRpcAsyncResult(this, xmlRpcReq,
useEncoding, _useEmptyParamsTag, _useIndentation, _indentation,
_useIntTag, _useStringTag, webReq, callback, outerAsyncState, 0);
webReq.BeginGetRequestStream(new AsyncCallback(GetRequestStreamCallback),
asr);
if (!asr.IsCompleted)
{
asr.CompletedSynchronously = false;
}
return(asr);
}
public object EndInvoke(
IAsyncResult asr,
Type returnType)
{
object reto = null;
Stream responseStream = null;
try
{
XmlRpcAsyncResult clientResult = (XmlRpcAsyncResult)asr;
if (clientResult.Exception != null)
{
throw clientResult.Exception;
}
if (clientResult.EndSendCalled)
{
throw new Exception("dup call to EndSend");
}
clientResult.EndSendCalled = true;
HttpWebResponse webResp = (HttpWebResponse)clientResult.WaitForResponse();
clientResult._responseCookies = webResp.Cookies;
clientResult._responseHeaders = webResp.Headers;
responseStream = clientResult.ResponseBufferedStream;
if (ResponseEvent != null)
{
OnResponse(new XmlRpcResponseEventArgs(
clientResult.XmlRpcRequest.proxyId,
clientResult.XmlRpcRequest.number,
responseStream));
responseStream.Position = 0;
}
responseStream = MaybeDecompressStream((HttpWebResponse)webResp,
responseStream);
XmlRpcResponse resp = ReadResponse(clientResult.XmlRpcRequest,
webResp, responseStream, returnType);
reto = resp.retVal;
}
finally
{
if (responseStream != null)
{
responseStream.Close();
}
}
return(reto);
}
static void ProcessAsyncException(XmlRpcAsyncResult clientResult,
Exception ex)
{
WebException webex = ex as WebException;
if (webex != null && webex.Response != null)
{
clientResult.Response = webex.Response;
return;
}
if (clientResult.IsCompleted)
{
throw new Exception("error during async processing");
}
clientResult.Complete(ex);
}
static void ReadAsyncResponse(XmlRpcAsyncResult result)
{
if (result.Response.ContentLength == 0)
{
result.Complete();
return;
}
try
{
result.ResponseStream = result.Response.GetResponseStream();
ReadAsyncResponseStream(result);
}
catch (Exception ex)
{
ProcessAsyncException(result, ex);
}
}
static void GetResponseCallback(IAsyncResult asyncResult)
{
XmlRpcAsyncResult result = (XmlRpcAsyncResult)asyncResult.AsyncState;
result.CompletedSynchronously = asyncResult.CompletedSynchronously;
try
{
result.Response = result.ClientProtocol.GetWebResponse(result.Request,
asyncResult);
}
catch (Exception ex)
{
ProcessAsyncException(result, ex);
if (result.Response == null)
{
return;
}
}
ReadAsyncResponse(result);
}
static void ReadResponseCallback(IAsyncResult asyncResult)
{
XmlRpcAsyncResult result = (XmlRpcAsyncResult)asyncResult.AsyncState;
result.CompletedSynchronously = asyncResult.CompletedSynchronously;
if (asyncResult.CompletedSynchronously)
{
return;
}
try
{
bool completed = ProcessAsyncResponseStreamResult(result, asyncResult);
if (!completed)
{
ReadAsyncResponseStream(result);
}
}
catch (Exception ex)
{
ProcessAsyncException(result, ex);
}
}