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Scraping mechanism for Bittorrent 

svn path=/trunk/boinc/; revision=12976
This commit is contained in:
Janus B. Kristensen 2007-06-21 05:57:08 +00:00
parent 269e9c6568
commit e22da62164
1 changed files with 47 additions and 0 deletions
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html/bt/scrape.php Executable file
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<?php
/**
* For multiple purposes it may be interesting for clients to know a little about
* the network statistics for the entire Bittorrent swarm controlled by the tracker.
* Scraping allows clients to get this information easily and quickly.
*/
$cvs_version_tracker[]="\$Id$"; //Generated automatically - do not edit
require_once("config.php");
function trackerError($error){
echo BDictionary::toEncoded(array("failure_reason"=>$error));
exit;
}
$info_hash = rawurldecode($_GET["info_hash"]);
if (strlen($info_hash)<20) throw new IllegalArgumentException("Malformed infohash key (length ".strlen($info_hash).")");
if (!$ip){
$ip = $_SERVER["REMOTE_ADDR"];
}
// Is the IP banned?
db_init();
if (isIPBanned($ip)){
trackerError("Banned IP: ".$ip);
}
// Check that the info_hash is one that we allow:
$queryHandle = mysql_query("SELECT * from bittorrent_files where info_hash=\"".process_user_text($info_hash)."\""); echo mysql_error();
if (!mysql_num_rows($queryHandle)){
trackerError("The tracker does not allow tracking of this file:".$info_hash);
}
$infoHashObject = mysql_fetch_object($queryHandle);
// Get some statistical counts
$queryHandle = mysql_query("SELECT count(fileid) as complete from bittorrent_peers where fileid = '".$infoHashObject->id."' and status='completed'");
$data = mysql_fetch_object($queryHandle);
$complete = intval($data->complete);
$queryHandle = mysql_query("SELECT count(fileid) as incomplete from bittorrent_peers where fileid = '".$infoHashObject->id."' and status!='completed'");
$data = mysql_fetch_object($queryHandle);
$incomplete = intval($data->incomplete);
$out = BDictionary::toEncoded(array("interval"=>DEFAULT_CONNECTION_INTERVAL, "downloaded"=>$complete, "complete"=>$complete, "incomplete"=>$incomplete));
?>