public void DownloadStringAsync(Uri address, DownloadStringAsync_Completed callback)
{
CacheCalls++;
// lookup address in cache
Stream cachedResult = CacheLookup(address);
if (cachedResult != null)
{
CacheHits++;
CacheDownloadStringCompletedEventArgs eventArgs = new CacheDownloadStringCompletedEventArgs(new StreamReader(cachedResult), address);
// Invoke on a different thread. Otherwise we make the callback from the same thread as the
// original call and wierd things could happen.
Thread thread = new Thread(() => callback(this, eventArgs));
thread.Start();
}
else
{
CacheMisses++;
// not found, request data
HttpWebRequest requestGetter = (HttpWebRequest)HttpWebRequest.Create(address);
requestGetter.BeginGetResponse(
new AsyncCallback(new CacheCallback(this, callback, address).Callback),
requestGetter);
}
}
public void DownloadStringAsync(Uri address, DownloadStringAsync_Completed callback)
{
CacheCalls++;
// lookup address in cache
Stream cachedResult = CacheLookup(address);
if (cachedResult != null)
{
CacheHits++;
CacheDownloadStringCompletedEventArgs eventArgs = new CacheDownloadStringCompletedEventArgs(new StreamReader(cachedResult), address);
// Invoke on a different thread. Otherwise we make the callback from the same thread as the
// original call and wierd things could happen.
Thread thread = new Thread(() => callback(this, eventArgs));
thread.Start();
}
else
{
CacheMisses++;
// not found, request data
HttpWebRequest requestGetter = (HttpWebRequest)HttpWebRequest.Create(address);
requestGetter.BeginGetResponse(
new AsyncCallback(new CacheCallback(this, callback, address).Callback),
requestGetter);
}
}
public CacheCallback(HttpCache owner, DownloadStringAsync_Completed callback, Uri requestedAddress)
{
this.owner = owner;
this.callback = callback;
this.requestedAddress = requestedAddress;
}
public CacheCallback(HttpCache owner, DownloadStringAsync_Completed callback, Uri requestedAddress)
{
this.owner = owner;
this.callback = callback;
this.requestedAddress = requestedAddress;
}
