private static OnReadyStateChangeSignalSender CreateOnReadyStateChangeSignalSender(OnReadyStateChangeSignalHandler handler)
{
OnReadyStateChangeSignalSender signalSender;
lock (_onReadyStateChangeSignalHandlers)
{
int signalId = ++_customSignalIdCounter;
_onReadyStateChangeSignalHandlers[signalId] = handler;
signalSender = new OnReadyStateChangeSignalSender
{
SignalId = signalId
};
}
return signalSender;
}
private static XmlHttpRequest _doSimpleXmlHttpRequest(string url, RequestMethod method, string postData, string username, string password, int timeoutMs)
{
XmlHttpRequest xhr = GetXmlHttpRequest();
Lock l = new Lock();
l.Acquire();
Condition condition = new Condition(l);
if (_driverProcess == null)
{
throw new SystemException("XmlHttpRequestManager.Driver was not started.");
}
OnReadyStateChangeSignalHandler handler = new OnReadyStateChangeSignalHandler
{
XmlHttpRequest = xhr,
Condition = condition
};
// TODO: Use resource manager to ensure these signal senders and handlers get cleaned up
OnReadyStateChangeSignalSender signalSender = CreateOnReadyStateChangeSignalSender(handler);
try
{
xhr.OnReadyStateChange = (NativeFunction)new NativeVoidDelegate(signalSender.SendSignal);
string methodString;
if (method == RequestMethod.Get)
{
methodString = "GET";
}
else
{
methodString = "POST";
}
xhr.Open(methodString, url, true, username, password);
xhr.Send(postData);
if (timeoutMs > 0)
{
if (!condition.Await(timeoutMs))
{
xhr.OnReadyStateChange = null;
throw new XmlHttpRequestTimeoutException("Timed out waiting for " + url, xhr);
}
}
else
{
condition.Await();
}
// TODO: finally blocks are not executed if there is a return statement in the try block. fix that
}
finally
{
DestroyOnReadyStateChangeSignalSender(signalSender);
}
return xhr;
}
