/**
* Creates a file transfer manager to initiate and receive file transfers.
*
* @param connection The XMPPConnection that the file transfers will use.
*/
private FileTransferManager(XMPPConnection connection) {
super(connection);
this.fileTransferNegotiator = FileTransferNegotiator.getInstanceFor(connection);
connection.registerIQRequestHandler(
new AbstractIqRequestHandler(
StreamInitiation.ELEMENT, StreamInitiation.NAMESPACE, IQ.Type.set, Mode.async) {
@Override
public IQ handleIQRequest(IQ packet) {
StreamInitiation si = (StreamInitiation) packet;
final FileTransferRequest request =
new FileTransferRequest(FileTransferManager.this, si);
for (final FileTransferListener listener : listeners) {
listener.fileTransferRequest(request);
}
return null;
}
});
}
public static void initialize(final XMPPConnection theConnection, final History h) {
final String jid = XmppStringUtils.parseBareJid(theConnection.getUser());
// Hash fetch service
theConnection.registerIQRequestHandler(
new IQRequestHandler() {
@Override
public IQ handleIQRequest(IQ iqRequest) {
HistorySyncQuery query = (HistorySyncQuery) iqRequest;
if (query.getType() != IQ.Type.get) {
throw new Error();
}
if (!XmppStringUtils.parseBareJid(iqRequest.getFrom()).equals(jid)) {
return error(query);
}
HistorySyncHashes response = query.reply(h);
return response;
}
@Override
public Mode getMode() {
return Mode.async;
}
@Override
public Type getType() {
return Type.get;
}
@Override
public String getElement() {
return "query";
}
@Override
public String getNamespace() {
return "http://jlenet.de/histsync";
}
});
// sync service
theConnection.registerIQRequestHandler(
new IQRequestHandler() {
@Override
public IQ handleIQRequest(IQ iqRequest) {
HistorySyncSet sync = (HistorySyncSet) iqRequest;
if (!XmppStringUtils.parseBareJid(iqRequest.getFrom()).equals(jid)) {
return error(sync);
}
if (Debug.ENABLED) {
System.out.println("sync pack");
}
HistoryLeafNode hln =
(HistoryLeafNode) h.getAnyBlock(sync.getHour() * History.BASE, History.LEVELS);
if (Debug.ENABLED) {
System.out.println("Have: " + hln.getMessages().size());
System.out.println("Got: " + sync.getMessages().size());
}
TreeSet<HistoryEntry> forMe = new TreeSet<HistoryEntry>();
TreeSet<HistoryEntry> forOther = new TreeSet<HistoryEntry>();
Iterator<HistoryEntry> have = hln.getMessages().iterator();
Iterator<HistoryEntry> got = sync.getMessages().iterator();
HistoryEntry currentGot = null;
HistoryEntry currentHave = null;
while (have.hasNext() || got.hasNext() || currentHave != null || currentGot != null) {
if (currentGot == null && got.hasNext()) {
currentGot = got.next();
}
if (currentHave == null && have.hasNext()) {
currentHave = have.next();
}
if (currentHave == null && currentGot == null) {
// Should never happen;
System.out.println("this should never happen");
break;
}
if (currentGot == null
|| (currentHave != null && currentHave.compareTo(currentGot) < 0)) {
// current Have is alone
forOther.add(currentHave);
currentHave = null;
} else if (currentHave == null || currentHave.compareTo(currentGot) > 0) {
// current Got is alone
forMe.add(currentGot);
currentGot = null;
} else {
currentHave = null;
currentGot = null;
}
}
hln.getMessages().addAll(forMe);
h.modified(sync.getHour() * History.BASE);
// Construct response
HistorySyncSet hss =
new HistorySyncSet(
sync.getHour(), History.beautifyChecksum(hln.getChecksum()), false);
hss.setMessages(forOther);
hss.setType(IQ.Type.result);
hss.setTo(sync.getFrom());
hss.setStanzaId(sync.getStanzaId());
h.store();
if (Debug.ENABLED) {
System.out.println("now Have: " + hln.getMessages().size());
System.out.println("adding: " + forMe.size());
System.out.println("for other: " + forOther.size());
}
return hss;
}
@Override
public Mode getMode() {
return Mode.async;
}
@Override
public Type getType() {
return Type.set;
}
@Override
public String getElement() {
return "syncSet";
}
@Override
public String getNamespace() {
return "http://jlenet.de/histsync#syncSet";
}
});
theConnection.registerIQRequestHandler(
new IQRequestHandler() {
@Override
public IQ handleIQRequest(IQ iqRequest) {
HistorySyncSet sync = (HistorySyncSet) iqRequest;
if (!XmppStringUtils.parseBareJid(iqRequest.getFrom()).equals(jid)) {
return error(sync);
}
HistoryLeafNode hln =
(HistoryLeafNode) h.getAnyBlock(sync.getHour() * History.BASE, History.LEVELS);
if (Debug.ENABLED) {
System.out.println("Have: " + hln.getMessages().size());
System.out.println("Got: " + sync.getMessages().size());
}
hln.getMessages().addAll(sync.getMessages());
h.modified(sync.getHour() * History.BASE);
h.store();
byte[] myChecksum = hln.getChecksum();
String status;
if (!Arrays.equals(myChecksum, History.parseChecksum(sync.getChecksum()))) {
status = "success";
} else {
status = "mismatch";
}
HistorySyncUpdateResponse hss = new HistorySyncUpdateResponse(status);
hss.setType(IQ.Type.result);
hss.setTo(sync.getFrom());
hss.setStanzaId(sync.getStanzaId());
if (Debug.ENABLED) {
System.out.println("update was: " + status);
}
if (Debug.ENABLED) {
System.out.println("now Have: " + hln.getMessages().size());
}
return hss;
}
@Override
public Type getType() {
return Type.set;
}
@Override
public Mode getMode() {
return Mode.async;
}
@Override
public String getElement() {
return "syncUpdate";
}
@Override
public String getNamespace() {
return "http://jlenet.de/histsync#syncUpdate";
}
});
ProviderManager.addIQProvider(
"query", "http://jlenet.de/histsync", new HistorySyncQueryProvider());
ProviderManager.addIQProvider(
"hashes", "http://jlenet.de/histsync#hashes", new HistorySyncResponseProvider());
HistorySyncSetProvider setProvider = new HistorySyncSetProvider();
ProviderManager.addIQProvider("syncSet", "http://jlenet.de/histsync#syncSet", setProvider);
ProviderManager.addIQProvider(
"syncUpdate", "http://jlenet.de/histsync#syncUpdate", setProvider);
ProviderManager.addIQProvider(
"syncStatus",
"http://jlenet.de/histsync#syncStatus",
new HistorySyncUpdateResponse.Provider());
ServiceDiscoveryManager manager = ServiceDiscoveryManager.getInstanceFor(theConnection);
manager.addFeature("http://jlenet.de/histsync#disco");
}