protected IAsyncResult BeginInvoke(string methodName, string requestUrl, object[] parameters, AsyncCallback callback, object asyncState)
{
HttpSimpleMethodStubInfo method = (HttpSimpleMethodStubInfo)TypeStub.GetMethod(methodName);
SimpleWebClientAsyncResult ainfo = null;
try
{
MimeParameterWriter parameterWriter = (MimeParameterWriter)method.ParameterWriterType.Create();
string url = parameterWriter.GetRequestUrl(requestUrl, parameters);
WebRequest req = GetWebRequest(new Uri(url));
ainfo = new SimpleWebClientAsyncResult(req, callback, asyncState);
ainfo.Parameters = parameters;
ainfo.ParameterWriter = parameterWriter;
ainfo.Method = method;
ainfo.Request = req;
ainfo.Request.BeginGetRequestStream(new AsyncCallback(AsyncGetRequestStreamDone), ainfo);
RegisterMapping(asyncState, ainfo);
}
catch (Exception ex)
{
if (ainfo != null)
{
ainfo.SetCompleted(null, ex, false);
}
else
{
throw ex;
}
}
return(ainfo);
}
protected object EndInvoke(IAsyncResult asyncResult)
{
if (!(asyncResult is SimpleWebClientAsyncResult))
{
throw new ArgumentException("asyncResult is not the return value from BeginInvoke");
}
SimpleWebClientAsyncResult ainfo = (SimpleWebClientAsyncResult)asyncResult;
lock (ainfo)
{
if (!ainfo.IsCompleted)
{
ainfo.WaitForComplete();
}
UnregisterMapping(ainfo.AsyncState);
if (ainfo.Exception != null)
{
throw ainfo.Exception;
}
else
{
return(ainfo.Result);
}
}
}
void AsyncGetResponseDone(IAsyncResult ar)
{
SimpleWebClientAsyncResult ainfo = (SimpleWebClientAsyncResult)ar.AsyncState;
WebResponse response = null;
try {
response = GetWebResponse(ainfo.Request, ar);
}
catch (WebException ex) {
response = ex.Response;
HttpWebResponse http_response = response as HttpWebResponse;
if (http_response == null || http_response.StatusCode != HttpStatusCode.InternalServerError)
{
ainfo.SetCompleted(null, ex, true);
return;
}
}
catch (Exception ex) {
ainfo.SetCompleted(null, ex, true);
return;
}
try {
MimeReturnReader returnReader = (MimeReturnReader)ainfo.Method.ReturnReaderType.Create();
object result = returnReader.Read(response, response.GetResponseStream());
ainfo.SetCompleted(result, null, true);
}
catch (Exception ex) {
ainfo.SetCompleted(null, ex, true);
}
}
protected IAsyncResult BeginInvoke (string methodName, string requestUrl, object[] parameters, AsyncCallback callback, object asyncState)
{
HttpSimpleMethodStubInfo method = (HttpSimpleMethodStubInfo) TypeStub.GetMethod (methodName);
SimpleWebClientAsyncResult ainfo = null;
try
{
MimeParameterWriter parameterWriter = (MimeParameterWriter) method.ParameterWriterType.Create ();
string url = parameterWriter.GetRequestUrl (requestUrl, parameters);
WebRequest req = GetWebRequest (new Uri(url));
ainfo = new SimpleWebClientAsyncResult (req, callback, asyncState);
ainfo.Parameters = parameters;
ainfo.ParameterWriter = parameterWriter;
ainfo.Method = method;
ainfo.Request = req;
ainfo.Request.BeginGetRequestStream (new AsyncCallback (AsyncGetRequestStreamDone), ainfo);
RegisterMapping (asyncState, ainfo);
}
catch (Exception ex)
{
if (ainfo != null)
ainfo.SetCompleted (null, ex, false);
else
throw ex;
}
return ainfo;
}
void InvokeAsyncCallback(IAsyncResult ar)
{
InvokeAsyncInfo info = (InvokeAsyncInfo)ar.AsyncState;
SimpleWebClientAsyncResult sar = (SimpleWebClientAsyncResult)ar;
InvokeCompletedEventArgs args = new InvokeCompletedEventArgs(sar.Exception, false, info.UserState, (object[])sar.Result);
if (info.Context != null)
{
info.Context.Send(info.Callback, args);
}
else
{
info.Callback(args);
}
}
void AsyncGetRequestStreamDone(IAsyncResult ar)
{
SimpleWebClientAsyncResult ainfo = (SimpleWebClientAsyncResult)ar.AsyncState;
try
{
if (ainfo.ParameterWriter.UsesWriteRequest)
{
Stream stream = ainfo.Request.GetRequestStream();
ainfo.ParameterWriter.WriteRequest(stream, ainfo.Parameters);
stream.Close();
}
ainfo.Request.BeginGetResponse(new AsyncCallback(AsyncGetResponseDone), ainfo);
}
catch (Exception ex)
{
ainfo.SetCompleted(null, ex, true);
}
}
