protected override void ReceiveError(ErrorMessage errorMessage)
{
if (!IgnoreErrors)
base.ReceiveError(errorMessage);
}
protected virtual void ReceiveError(ErrorMessage errorMessage)
{
throw new ProtocolException(String.Format("ErrorMessage from :{0}",endpoint.Address));
}
protected virtual void ReceiveScrape(ScrapeMessage scrapeMessage)
{
BEncodedDictionary val = Handle(getCollection(scrapeMessage), endpoint.Address, true);
UdpTrackerMessage m;
byte[] data;
if (val.ContainsKey(RequestParameters.FailureKey))
{
m = new ErrorMessage(scrapeMessage.TransactionId, val[RequestParameters.FailureKey].ToString());
}
else
{
List<ScrapeDetails> scrapes = new List<ScrapeDetails>();
foreach (KeyValuePair<BEncodedString, BEncodedValue> keypair in val)
{
BEncodedDictionary dict = (BEncodedDictionary)keypair.Value;
int seeds = 0;
int leeches = 0;
int complete = 0;
foreach (KeyValuePair<BEncodedString, BEncodedValue> keypair2 in dict)
{
switch (keypair2.Key.Text)
{
case "complete"://The current number of connected seeds
seeds = Convert.ToInt32(keypair2.Value.ToString());
break;
case "downloaded"://The total number of completed downloads
complete = Convert.ToInt32(keypair2.Value.ToString());
break;
case "incomplete":
leeches = Convert.ToInt32(keypair2.Value.ToString());
break;
}
}
ScrapeDetails sd = new ScrapeDetails(seeds, leeches, complete);
scrapes.Add(sd);
if (scrapes.Count == 74)//protocole do not support to send more than 74 scrape at once...
{
m = new ScrapeResponseMessage(scrapeMessage.TransactionId, scrapes);
data = m.Encode();
listener.Send(data, data.Length, endpoint);
scrapes.Clear();
}
}
m = new ScrapeResponseMessage(scrapeMessage.TransactionId, scrapes);
}
data = m.Encode();
listener.Send(data, data.Length, endpoint);
}
//QUICKHACK: format bencoded val and get it back wereas must refactor tracker system to have more generic object...
protected virtual void ReceiveAnnounce(AnnounceMessage announceMessage)
{
UdpTrackerMessage m;
BEncodedDictionary dict = Handle(getCollection(announceMessage), endpoint.Address, false);
if (dict.ContainsKey(RequestParameters.FailureKey))
{
m = new ErrorMessage(announceMessage.TransactionId, dict[RequestParameters.FailureKey].ToString());
}
else
{
TimeSpan interval = TimeSpan.Zero;
int leechers = 0;
int seeders = 0;
var peers = new List<Client.Peer>();
foreach (var keypair in dict)
{
switch (keypair.Key.Text)
{
case ("complete"):
seeders = Convert.ToInt32(keypair.Value.ToString());//same as seeder?
break;
case ("incomplete"):
leechers = Convert.ToInt32(keypair.Value.ToString());//same as leecher?
break;
case ("interval"):
interval = TimeSpan.FromSeconds(int.Parse(keypair.Value.ToString()));
break;
case ("peers"):
if (keypair.Value is BEncodedList) // Non-compact response
peers.AddRange(Client.Peer.Decode((BEncodedList)keypair.Value));
else if (keypair.Value is BEncodedString) // Compact response
peers.AddRange(Client.Peer.Decode((BEncodedString)keypair.Value));
break;
}
}
m = new AnnounceResponseMessage(announceMessage.TransactionId, interval, leechers, seeders, peers);
}
byte[] data = m.Encode();
listener.Send(data, data.Length, endpoint);
}