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 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 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 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;
}
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);
#if (!COMPACT_FRAMEWORK)
SetClientCertificates(_clientCertificates, webReq);
#endif
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;
}
