internal static IAsyncResult BeginScrape(this Tracker tracker, IScrapeRequest request, AsyncCallback callback, object state)
{
AsyncScrapeParameters parameters = new AsyncScrapeParameters(request, callback, state);
ThreadPool.QueueUserWorkItem(new WaitCallback(Scrape), parameters);
return parameters.Result;
}
public IScrapeTransport CreateTransport(IScrapeRequest request)
{
UdpScrapeRequestPacket requestPacket = new UdpScrapeRequestPacket();
if (request is IScrapeRequest2)
{
IScrapeRequest2 request2 = (IScrapeRequest2)request;
if (request2.InfoHashList.Count > UdpScrapeTransport.MultiScrapeRange)
throw new ArgumentOutOfRangeException("request", String.Format("UdpTransport supports IScrapeRequest2 with up to {0} items using MTU=1500 - {2} items specified", UdpScrapeTransport.MultiScrapeRange, 1500, request2.InfoHashList.Count));
requestPacket.info_hash = request2.InfoHashList.ToArray();
}
else
{
requestPacket.info_hash = new InfoHash[1] { request.InfoHash };
}
UdpScrapeTransport transport = new UdpScrapeTransport(Tracker.Ip, Tracker.AnnounceUrl.Port, 60, requestPacket);
transport.Request = request;
return transport;
}
public IScrapeTransport CreateTransport(IScrapeRequest request)
{
NameValueCollection query = new NameValueCollection(baseScrapeQuery);
if (request.InfoHash != null)
query.Add("info_hash", HttpUtility.UrlEncode(request.InfoHash));
if (request is IScrapeRequest2)
{
IScrapeRequest2 request2 = (IScrapeRequest2)request;
foreach(InfoHash infoHash in request2.InfoHashList)
query.Add("info_hash", HttpUtility.UrlEncode(infoHash));
}
UriBuilder requestUriBuilder = new UriBuilder(baseScrapeUri);
requestUriBuilder.Query = BuildQueryString(query, false);
HttpScrapeTransport transport = new HttpScrapeTransport(requestUriBuilder.Uri);
transport.Request = request;
return transport;
}
public AsyncScrapeParameters(IScrapeRequest request, AsyncCallback callback, object state)
{
Request = request;
Result = new AsyncScrapeResult(state);
Callback = callback;
}
