private TrackerInfo doRequest(
String announce,
String infoHash,
String peerID,
long uploaded,
long downloaded,
long left,
String event)
throws IOException {
String s =
announce
+ "?info_hash="
+ infoHash
+ "&peer_id="
+ peerID
+ "&port="
+ port
+ "&uploaded="
+ uploaded
+ "&downloaded="
+ downloaded
+ "&left="
+ left
+ ((event != NO_EVENT) ? ("&event=" + event) : "");
URL u = new URL(s);
if (Snark.debug >= Snark.INFO) Snark.debug("Sending TrackerClient request: " + u, Snark.INFO);
URLConnection c = u.openConnection();
c.connect();
InputStream in = c.getInputStream();
if (c instanceof HttpURLConnection) {
// Check whether the page exists
int code = ((HttpURLConnection) c).getResponseCode();
if (code / 100 != 2) // We can only handle 200 OK responses
throw new IOException(
"Loading '" + s + "' gave error code " + code + ", it probably doesn't exists");
}
TrackerInfo info = new TrackerInfo(in, coordinator.getID(), coordinator.getMetaInfo());
if (Snark.debug >= Snark.INFO) Snark.debug("TrackerClient response: " + info, Snark.INFO);
lastRequestTime = System.currentTimeMillis();
String failure = info.getFailureReason();
if (failure != null) throw new IOException(failure);
interval = info.getInterval() * 1000;
return info;
}
