private void CheckUpdatesAsync(UpdateCheckerResultHandler ResultHandler)
{
RequestState state = new RequestState();
foreach (var url in UrlsToCheck)
{
state.Urls.Enqueue(url);
}
if (state.Urls.Count == 0)
{
throw new InvalidOperationException("No update URLS defined");
}
CheckUpdateOnQueueAsync(ResultHandler, state);
}
private void CheckUpdatesAsync(UpdateCheckerResultHandler ResultHandler)
{
#if DEBUG
string url = @"https://dl.dropbox.com/u/79336477/update.xml";
#else
string url = @"http://sourceforge.net/projects/v8reader/files/update.xml/download";
#endif
HttpWebRequest client = (HttpWebRequest)HttpWebRequest.Create(url);
client.AllowAutoRedirect = true;
client.Proxy = WebRequest.DefaultWebProxy;
client.Proxy.Credentials = System.Net.CredentialCache.DefaultCredentials;
RequestState state = new RequestState();
state.request = client;
state.ResultHandler = ResultHandler;
IAsyncResult result = (IAsyncResult)client.BeginGetResponse(GUIContextCallback(DownloadFileCompleted), state);
}
private void CheckUpdateOnQueueAsync(UpdateCheckerResultHandler ResultHandler, RequestState state)
{
var reqState = (RequestState)state;
string url;
try
{
url = reqState.Urls.Dequeue();
}
catch (InvalidOperationException)
{
var result = new UpdateCheckerResult();
result.Success = false;
if (reqState.LastError != null)
{
throw new UpdaterException(reqState.LastError);
}
else
{
throw new UpdaterException("Ни один из адресов автообновления не вернул корректный ответ");
}
}
HttpWebRequest client = (HttpWebRequest)HttpWebRequest.Create(url);
client.Accept = "application/xml";
client.UserAgent = "DBManager Autoupdate " + System.Reflection.Assembly.GetExecutingAssembly().GetName().Version.ToString();
client.AllowAutoRedirect = true;
client.Proxy = WebRequest.DefaultWebProxy;
client.Proxy.Credentials = System.Net.CredentialCache.DefaultCredentials;
state.request = client;
state.ResultHandler = ResultHandler;
client.BeginGetResponse(GUIContextCallback(DownloadFileCompleted), reqState);
}
public void CheckUpdates(UpdateCheckerResultHandler ResultHandler)
{
CheckUpdatesAsync(ResultHandler);
}
