/// <include file='doc\HttpClientProtocol.uex' path='docs/doc[@for="HttpSimpleClientProtocol.InvokeAsync1"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
protected void InvokeAsync(string methodName, string requestUrl, object[] parameters, SendOrPostCallback callback, object userState)
{
if (userState == null)
{
userState = NullToken;
}
AsyncOperation asyncOp = AsyncOperationManager.CreateOperation(new UserToken(callback, userState));
WebClientAsyncResult asyncResult = new WebClientAsyncResult(this, null, null, new AsyncCallback(InvokeAsyncCallback), asyncOp);
try {
AsyncInvokes.Add(userState, asyncResult);
}
catch (Exception e) {
if (e is ThreadAbortException || e is StackOverflowException || e is OutOfMemoryException)
{
throw;
}
if (Tracing.On)
{
Tracing.ExceptionCatch(TraceEventType.Error, this, "InvokeAsync", e);
}
Exception exception = new ArgumentException(Res.GetString(Res.AsyncDuplicateUserState), e);
InvokeCompletedEventArgs eventArgs = new InvokeCompletedEventArgs(new object[] { null }, exception, false, userState);
asyncOp.PostOperationCompleted(callback, eventArgs);
return;
}
try {
HttpClientMethod method = GetClientMethod(methodName);
MimeParameterWriter paramWriter = GetParameterWriter(method);
Uri requestUri = new Uri(requestUrl);
if (paramWriter != null)
{
paramWriter.RequestEncoding = RequestEncoding;
requestUrl = paramWriter.GetRequestUrl(requestUri.AbsoluteUri, parameters);
requestUri = new Uri(requestUrl, true);
}
asyncResult.InternalAsyncState = new InvokeAsyncState(method, paramWriter, parameters);
BeginSend(requestUri, asyncResult, paramWriter.UsesWriteRequest);
}
catch (Exception e) {
if (e is ThreadAbortException || e is StackOverflowException || e is OutOfMemoryException)
{
throw;
}
if (Tracing.On)
{
Tracing.ExceptionCatch(TraceEventType.Error, this, "InvokeAsync", e);
}
OperationCompleted(userState, new object[] { null }, e, false);
}
}
internal WebClientAsyncResult OperationCompleted(object userState, object[] parameters, Exception e, bool canceled)
{
Debug.Assert(userState != null, "We should not call OperationCompleted with null user token.");
WebClientAsyncResult result = (WebClientAsyncResult)AsyncInvokes[userState];
if (result != null)
{
AsyncOperation asyncOp = (AsyncOperation)result.AsyncState;
UserToken token = (UserToken)asyncOp.UserSuppliedState;
InvokeCompletedEventArgs eventArgs = new InvokeCompletedEventArgs(parameters, e, canceled, userState);
AsyncInvokes.Remove(userState);
asyncOp.PostOperationCompleted(token.Callback, eventArgs);
}
return(result);
}
/// <include file='doc\SoapClientProtocol.uex' path='docs/doc[@for="SoapClientProtocol.InvokeAsync1"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
protected void InvokeAsync(string methodName, object[] parameters, SendOrPostCallback callback, object userState)
{
if (userState == null)
{
userState = NullToken;
}
InvokeAsyncState invokeState = new InvokeAsyncState(methodName, parameters);
AsyncOperation asyncOp = AsyncOperationManager.CreateOperation(new UserToken(callback, userState));
WebClientAsyncResult asyncResult = new WebClientAsyncResult(this, invokeState, null, new AsyncCallback(InvokeAsyncCallback), asyncOp);
try {
AsyncInvokes.Add(userState, asyncResult);
}
catch (Exception e) {
if (e is ThreadAbortException || e is StackOverflowException || e is OutOfMemoryException)
{
throw;
}
if (Tracing.On)
{
Tracing.ExceptionCatch(TraceEventType.Warning, this, "InvokeAsync", e);
}
Exception exception = new ArgumentException(Res.GetString(Res.AsyncDuplicateUserState), e);
InvokeCompletedEventArgs eventArgs = new InvokeCompletedEventArgs(new object[] { null }, exception, false, userState);
asyncOp.PostOperationCompleted(callback, eventArgs);
return;
}
try {
BeginSend(Uri, asyncResult, true);
}
catch (Exception e) {
if (e is ThreadAbortException || e is StackOverflowException || e is OutOfMemoryException)
{
throw;
}
if (Tracing.On)
{
Tracing.ExceptionCatch(TraceEventType.Warning, this, "InvokeAsync", e);
}
OperationCompleted(userState, new object[] { null }, e, false);
}
}
