/**
* Perform the actual version check by connecting to the version server.
*
* @param data_to_send version message
* @return version reply
* @throws Exception if the server check connection fails
*/
private Map performVersionCheck(
Map data_to_send, boolean use_az_message, boolean use_http, boolean v6) throws Exception {
Exception error = null;
Map reply = null;
if (use_http) {
try {
reply = executeHTTP(data_to_send, v6);
reply.put("protocol_used", "HTTP");
error = null;
} catch (IOException e) {
error = e;
} catch (Exception e) {
Debug.printStackTrace(e);
error = e;
}
}
if (reply == null && use_az_message) {
try {
reply = executeAZMessage(data_to_send, v6);
reply.put("protocol_used", "AZMSG");
} catch (IOException e) {
error = e;
} catch (Exception e) {
Debug.printStackTrace(e);
error = e;
}
}
if (error != null) {
throw (error);
}
if (Logger.isEnabled())
Logger.log(
new LogEvent(
LOGID,
"VersionCheckClient server "
+ "version check successful. Received "
+ reply.size()
+ " reply keys."));
if (v6) {
last_check_time_v6 = SystemTime.getCurrentTime();
} else {
last_check_time_v4 = SystemTime.getCurrentTime();
}
return reply;
}
private boolean isVersionCheckDataValid(int address_type) {
boolean v6_ok = last_check_data_v6 != null && last_check_data_v6.size() > 0;
boolean v4_ok = last_check_data_v4 != null && last_check_data_v4.size() > 0;
if (address_type == AT_V4) {
return (v4_ok);
} else if (address_type == AT_V6) {
return (v6_ok);
} else {
return (v4_ok | v6_ok);
}
}
public Map getVersionCheckInfo(String reason, int address_type) {
if (address_type == AT_V4) {
return (getVersionCheckInfoSupport(reason, false, false, false));
} else if (address_type == AT_V6) {
return (getVersionCheckInfoSupport(reason, false, false, true));
} else {
Map reply = getVersionCheckInfoSupport(reason, false, false, prefer_v6);
if (reply == null || reply.size() == 0) {
reply = getVersionCheckInfoSupport(reason, false, false, !prefer_v6);
}
return (reply);
}
}
protected Object[] handleAnnounceAndScrape(
String client_ip_address, PRUDPPacketRequest request, int request_type) throws Exception {
if (!checkConnectionId(client_ip_address, request.getConnectionId())) {
return (null);
}
List hashbytes = new ArrayList();
HashWrapper peer_id = null;
int port = 0;
String event = null;
long uploaded = 0;
long downloaded = 0;
long left = 0;
int num_want = -1;
String key = null;
if (request_type == TRTrackerServerRequest.RT_ANNOUNCE) {
if (PRUDPPacketTracker.VERSION == 1) {
PRUDPPacketRequestAnnounce announce = (PRUDPPacketRequestAnnounce) request;
hashbytes.add(announce.getHash());
peer_id = new HashWrapper(announce.getPeerId());
port = announce.getPort();
int i_event = announce.getEvent();
switch (i_event) {
case PRUDPPacketRequestAnnounce.EV_STARTED:
{
event = "started";
break;
}
case PRUDPPacketRequestAnnounce.EV_STOPPED:
{
event = "stopped";
break;
}
case PRUDPPacketRequestAnnounce.EV_COMPLETED:
{
event = "completed";
break;
}
}
uploaded = announce.getUploaded();
downloaded = announce.getDownloaded();
left = announce.getLeft();
num_want = announce.getNumWant();
int i_ip = announce.getIPAddress();
if (i_ip != 0) {
client_ip_address = PRHelpers.intToAddress(i_ip);
}
} else {
PRUDPPacketRequestAnnounce2 announce = (PRUDPPacketRequestAnnounce2) request;
hashbytes.add(announce.getHash());
peer_id = new HashWrapper(announce.getPeerId());
port = announce.getPort();
int i_event = announce.getEvent();
switch (i_event) {
case PRUDPPacketRequestAnnounce.EV_STARTED:
{
event = "started";
break;
}
case PRUDPPacketRequestAnnounce.EV_STOPPED:
{
event = "stopped";
break;
}
case PRUDPPacketRequestAnnounce.EV_COMPLETED:
{
event = "completed";
break;
}
}
uploaded = announce.getUploaded();
downloaded = announce.getDownloaded();
left = announce.getLeft();
num_want = announce.getNumWant();
int i_ip = announce.getIPAddress();
if (i_ip != 0) {
client_ip_address = PRHelpers.intToAddress(i_ip);
}
key = "" + announce.getKey();
}
} else {
PRUDPPacketRequestScrape scrape = (PRUDPPacketRequestScrape) request;
hashbytes.addAll(scrape.getHashes());
}
Map[] root_out = new Map[1];
TRTrackerServerPeerImpl[] peer_out = new TRTrackerServerPeerImpl[1];
TRTrackerServerTorrentImpl torrent =
processTrackerRequest(
server,
"",
root_out,
peer_out,
request_type,
(byte[][]) hashbytes.toArray(new byte[0][0]),
null,
null,
peer_id,
false,
TRTrackerServerTorrentImpl.COMPACT_MODE_NONE,
key, // currently no "no_peer_id" / "compact" in the packet and anyway they aren't
// returned / key
event,
false,
port,
0,
0,
client_ip_address,
client_ip_address,
downloaded,
uploaded,
left,
num_want,
TRTrackerServerPeer.CRYPTO_NONE,
(byte) 1,
0,
null);
Map root = root_out[0];
if (request_type == TRTrackerServerRequest.RT_ANNOUNCE) {
if (PRUDPPacketTracker.VERSION == 1) {
PRUDPPacketReplyAnnounce reply = new PRUDPPacketReplyAnnounce(request.getTransactionId());
reply.setInterval(((Long) root.get("interval")).intValue());
List peers = (List) root.get("peers");
int[] addresses = new int[peers.size()];
short[] ports = new short[addresses.length];
for (int i = 0; i < addresses.length; i++) {
Map peer = (Map) peers.get(i);
addresses[i] = PRHelpers.addressToInt(new String((byte[]) peer.get("ip")));
ports[i] = (short) ((Long) peer.get("port")).shortValue();
}
reply.setPeers(addresses, ports);
return (new Object[] {reply, torrent});
} else {
PRUDPPacketReplyAnnounce2 reply = new PRUDPPacketReplyAnnounce2(request.getTransactionId());
reply.setInterval(((Long) root.get("interval")).intValue());
boolean local_scrape = client_ip_address.equals("127.0.0.1");
Map scrape_details = torrent.exportScrapeToMap("", client_ip_address, !local_scrape);
int seeders = ((Long) scrape_details.get("complete")).intValue();
int leechers = ((Long) scrape_details.get("incomplete")).intValue();
reply.setLeechersSeeders(leechers, seeders);
List peers = (List) root.get("peers");
int[] addresses = new int[peers.size()];
short[] ports = new short[addresses.length];
for (int i = 0; i < addresses.length; i++) {
Map peer = (Map) peers.get(i);
addresses[i] = PRHelpers.addressToInt(new String((byte[]) peer.get("ip")));
ports[i] = (short) ((Long) peer.get("port")).shortValue();
}
reply.setPeers(addresses, ports);
return (new Object[] {reply, torrent});
}
} else {
if (PRUDPPacketTracker.VERSION == 1) {
PRUDPPacketReplyScrape reply = new PRUDPPacketReplyScrape(request.getTransactionId());
/*
Long interval = (Long)root.get("interval");
if ( interval != null ){
reply.setInterval(interval.intValue());
}
*/
Map files = (Map) root.get("files");
byte[][] hashes = new byte[files.size()][];
int[] s_complete = new int[hashes.length];
int[] s_downloaded = new int[hashes.length];
int[] s_incomplete = new int[hashes.length];
Iterator it = files.keySet().iterator();
int pos = 0;
while (it.hasNext()) {
String hash_str = (String) it.next();
hashes[pos] = hash_str.getBytes(Constants.BYTE_ENCODING);
Map details = (Map) files.get(hash_str);
s_complete[pos] = ((Long) details.get("complete")).intValue();
s_incomplete[pos] = ((Long) details.get("incomplete")).intValue();
s_downloaded[pos] = ((Long) details.get("downloaded")).intValue();
pos++;
}
reply.setDetails(hashes, s_complete, s_downloaded, s_incomplete);
return (new Object[] {reply, torrent});
} else {
PRUDPPacketReplyScrape2 reply = new PRUDPPacketReplyScrape2(request.getTransactionId());
/*
Long interval = (Long)root.get("interval");
if ( interval != null ){
reply.setInterval(interval.intValue());
}
*/
Map files = (Map) root.get("files");
int[] s_complete = new int[files.size()];
int[] s_downloaded = new int[s_complete.length];
int[] s_incomplete = new int[s_complete.length];
Iterator it = files.keySet().iterator();
int pos = 0;
while (it.hasNext()) {
String hash_str = (String) it.next();
Map details = (Map) files.get(hash_str);
s_complete[pos] = ((Long) details.get("complete")).intValue();
s_incomplete[pos] = ((Long) details.get("incomplete")).intValue();
s_downloaded[pos] = ((Long) details.get("downloaded")).intValue();
pos++;
}
reply.setDetails(s_complete, s_downloaded, s_incomplete);
return (new Object[] {reply, torrent});
}
}
}
protected Map getVersionCheckInfoSupport(
String reason, boolean only_if_cached, boolean force, boolean v6) {
try {
synchronized (listeners) {
if (REASON_UPDATE_CHECK_START.equals(reason)) {
startCheckRan = true;
}
for (VersionCheckClientListener l : listeners) {
l.versionCheckStarted(reason);
}
}
} catch (Throwable t) {
Debug.out(t);
}
if (v6) {
if (enable_v6) {
try {
check_mon.enter();
long time_diff = SystemTime.getCurrentTime() - last_check_time_v6;
force = force || time_diff > CACHE_PERIOD || time_diff < 0;
if (last_check_data_v6 == null || last_check_data_v6.size() == 0 || force) {
// if we've never checked before then we go ahead even if the "only_if_cached"
// flag is set as its had not chance of being cached yet!
if (only_if_cached && last_check_data_v6 != null) {
return (new HashMap());
}
try {
last_check_data_v6 =
performVersionCheck(constructVersionCheckMessage(reason), true, true, true);
if (last_check_data_v6 != null && last_check_data_v6.size() > 0) {
COConfigurationManager.setParameter("versioncheck.cache.v6", last_check_data_v6);
}
} catch (SocketException t) {
// internet is broken
// Debug.out(t.getClass().getName() + ": " + t.getMessage());
} catch (UnknownHostException t) {
// dns is broken
// Debug.out(t.getClass().getName() + ": " + t.getMessage());
} catch (Throwable t) {
Debug.out(t);
last_check_data_v6 = new HashMap();
}
} else {
Logger.log(
new LogEvent(
LOGID,
"VersionCheckClient is using "
+ "cached version check info. Using "
+ last_check_data_v6.size()
+ " reply keys."));
}
} finally {
check_mon.exit();
}
}
if (last_check_data_v6 == null) last_check_data_v6 = new HashMap();
return last_check_data_v6;
} else {
try {
check_mon.enter();
long time_diff = SystemTime.getCurrentTime() - last_check_time_v4;
force = force || time_diff > CACHE_PERIOD || time_diff < 0;
if (last_check_data_v4 == null || last_check_data_v4.size() == 0 || force) {
// if we've never checked before then we go ahead even if the "only_if_cached"
// flag is set as its had not chance of being cached yet!
if (only_if_cached && last_check_data_v4 != null) {
return (new HashMap());
}
try {
last_check_data_v4 =
performVersionCheck(constructVersionCheckMessage(reason), true, true, false);
if (last_check_data_v4 != null && last_check_data_v4.size() > 0) {
COConfigurationManager.setParameter("versioncheck.cache.v4", last_check_data_v4);
}
// clear down any plugin-specific data that has successfully been sent to the version
// server
try {
if (AzureusCoreFactory.isCoreAvailable()) {
// installed plugin IDs
PluginInterface[] plugins =
AzureusCoreFactory.getSingleton().getPluginManager().getPluginInterfaces();
for (int i = 0; i < plugins.length; i++) {
PluginInterface plugin = plugins[i];
Map data =
plugin
.getPluginconfig()
.getPluginMapParameter("plugin.versionserver.data", null);
if (data != null) {
plugin
.getPluginconfig()
.setPluginMapParameter("plugin.versionserver.data", new HashMap());
}
}
}
} catch (Throwable e) {
}
} catch (UnknownHostException t) {
// no internet
Debug.outNoStack(
"VersionCheckClient - " + t.getClass().getName() + ": " + t.getMessage());
} catch (IOException t) {
// General connection problem.
Debug.outNoStack(
"VersionCheckClient - " + t.getClass().getName() + ": " + t.getMessage());
} catch (Throwable t) {
Debug.out(t);
last_check_data_v4 = new HashMap();
}
} else {
if (Logger.isEnabled())
Logger.log(
new LogEvent(
LOGID,
"VersionCheckClient is using "
+ "cached version check info. Using "
+ last_check_data_v4.size()
+ " reply keys."));
}
} finally {
check_mon.exit();
}
if (last_check_data_v4 == null) last_check_data_v4 = new HashMap();
last_feature_flag_cache_time = 0;
return last_check_data_v4;
}
}
