private void x_startTorrent() {
boolean ok = _util.connect();
if (!ok) fatal("Unable to connect to I2P");
if (coordinator == null) {
I2PServerSocket serversocket = _util.getServerSocket();
if (serversocket == null) fatal("Unable to listen for I2P connections");
else {
Destination d = serversocket.getManager().getSession().getMyDestination();
if (_log.shouldLog(Log.INFO))
_log.info(
"Listening on I2P destination "
+ d.toBase64()
+ " / "
+ d.calculateHash().toBase64());
}
if (_log.shouldLog(Log.INFO))
_log.info("Starting PeerCoordinator, ConnectionAcceptor, and TrackerClient");
activity = "Collecting pieces";
coordinator = new PeerCoordinator(_util, id, infoHash, meta, storage, this, this);
coordinator.setUploaded(savedUploaded);
if (_peerCoordinatorSet != null) {
// multitorrent
_peerCoordinatorSet.add(coordinator);
} else {
// single torrent
acceptor = new ConnectionAcceptor(_util, new PeerAcceptor(coordinator));
}
// TODO pass saved closest DHT nodes to the tracker? or direct to the coordinator?
trackerclient = new TrackerClient(_util, meta, additionalTrackerURL, coordinator, this);
}
// ensure acceptor is running when in multitorrent
if (_peerCoordinatorSet != null && acceptor != null) {
acceptor.startAccepting();
}
stopped = false;
if (coordinator.halted()) {
coordinator.restart();
if (_peerCoordinatorSet != null) _peerCoordinatorSet.add(coordinator);
}
if (!trackerclient.started()) {
trackerclient.start();
} else if (trackerclient.halted()) {
if (storage != null) {
try {
storage.reopen();
} catch (IOException ioe) {
try {
storage.close();
} catch (IOException ioee) {
ioee.printStackTrace();
}
fatal("Could not reopen storage", ioe);
}
}
trackerclient.start();
} else {
if (_log.shouldLog(Log.INFO)) _log.info("NOT starting TrackerClient???");
}
}
@Override
public Destination lookup(String hostname) {
Destination rv = super.lookup(hostname);
if (rv != null) {
hostname = hostname.toLowerCase(Locale.US);
// If it's long, assume it's a key.
if (hostname.length() < 516 && hostname.endsWith(".i2p") && !hostname.endsWith(".b32.i2p")) {
File f = new File(_context.getRouterDir(), DEFAULT_HOSTS_FILE);
if ((f.exists()) && (f.canWrite())) {
synchronized (this) {
FileOutputStream fos = null;
try {
fos = new FileOutputStream(f, true);
String line = hostname + '=' + rv.toBase64() + System.getProperty("line.separator");
fos.write(DataHelper.getASCII(line));
} catch (IOException ioe) {
System.err.println("Error appending: " + ioe);
} finally {
if (fos != null)
try {
fos.close();
} catch (IOException cioe) {
}
}
}
}
}
}
return rv;
}
public AddressBean getLookup() {
if (this.detail == null)
return null;
if (isDirect()) {
// go to some trouble to make this work for the published addressbook
this.filter = this.detail.substring(0, 1);
this.search = this.detail;
// we don't want the messages, we just want to populate entries
super.getLoadBookMessages();
for (int i = 0; i < this.entries.length; i++) {
if (this.search.equals(this.entries[i].getName()))
return this.entries[i];
}
return null;
}
Properties nsOptions = new Properties();
Properties outProps = new Properties();
nsOptions.setProperty("list", getFileName());
Destination dest = getNamingService().lookup(this.detail, nsOptions, outProps);
if (dest == null)
return null;
AddressBean rv = new AddressBean(this.detail, dest.toBase64());
rv.setProperties(outProps);
return rv;
}
public void notifyStreamIncomingConnection(int id, Destination d) throws IOException {
if (getStreamSession() == null) {
_log.error("BUG! Received stream connection, but session is null!");
return;
}
if (!writeString("STREAM CONNECTED DESTINATION=" + d.toBase64() + " ID=" + id + "\n")) {
throw new IOException("Error notifying connection to SAM client");
}
}
public void notifyStreamIncomingConnection(Destination d) throws IOException {
if (getStreamSession() == null) {
_log.error("BUG! Received stream connection, but session is null!");
throw new NullPointerException("BUG! STREAM session is null!");
}
if (!writeString(d.toBase64() + "\n")) {
throw new IOException("Error notifying connection to SAM client");
}
}
// SAMDatagramReceiver implementation
public void receiveDatagramBytes(Destination sender, byte data[]) throws IOException {
if (getDatagramSession() == null) {
_log.error("BUG! Received datagram bytes, but session is null!");
throw new NullPointerException("BUG! DATAGRAM session is null!");
}
ByteArrayOutputStream msg = new ByteArrayOutputStream();
String msgText =
"DATAGRAM RECEIVED DESTINATION=" + sender.toBase64() + " SIZE=" + data.length + "\n";
msg.write(msgText.getBytes("ISO-8859-1"));
if (_log.shouldLog(Log.DEBUG)) _log.debug("sending to client: " + msgText);
msg.write(data);
msg.flush();
writeBytes(ByteBuffer.wrap(msg.toByteArray()));
}
public void receiveDatagramBytes(
Destination sender, byte[] data, int proto, int fromPort, int toPort) throws IOException {
if (this.clientAddress == null) {
this.handler.receiveDatagramBytes(sender, data, proto, fromPort, toPort);
} else {
StringBuilder buf = new StringBuilder(600);
buf.append(sender.toBase64());
if ((handler.verMajor == 3 && handler.verMinor >= 2) || handler.verMajor > 3) {
buf.append(" FROM_PORT=").append(fromPort).append(" TO_PORT=").append(toPort);
}
buf.append('\n');
String msg = buf.toString();
ByteBuffer msgBuf = ByteBuffer.allocate(msg.length() + data.length);
msgBuf.put(DataHelper.getASCII(msg));
msgBuf.put(data);
msgBuf.flip();
this.server.send(this.clientAddress, msgBuf);
}
}
/* Parse and execute a NAMING message */
protected boolean execNamingMessage(String opcode, Properties props) {
if (opcode.equals("LOOKUP")) {
if (props == null) {
_log.debug("No parameters specified in NAMING LOOKUP message");
return false;
}
String name = props.getProperty("NAME");
if (name == null) {
_log.debug("Name to resolve not specified in NAMING message");
return false;
}
Destination dest = null;
if (name.equals("ME")) {
if (getRawSession() != null) {
dest = getRawSession().getDestination();
} else if (getStreamSession() != null) {
dest = getStreamSession().getDestination();
} else if (getDatagramSession() != null) {
dest = getDatagramSession().getDestination();
} else {
_log.debug("Lookup for SESSION destination, but session is null");
return false;
}
} else {
try {
dest = SAMUtils.getDest(name);
} catch (DataFormatException e) {
}
}
if (dest == null) {
return writeString("NAMING REPLY RESULT=KEY_NOT_FOUND NAME=" + name + "\n");
}
return writeString(
"NAMING REPLY RESULT=OK NAME=" + name + " VALUE=" + dest.toBase64() + "\n");
} else {
_log.debug("Unrecognized NAMING message opcode: \"" + opcode + "\"");
return false;
}
}
// SAMDatagramReceiver implementation
public void receiveDatagramBytes(
Destination sender, byte data[], int proto, int fromPort, int toPort) throws IOException {
if (getDatagramSession() == null) {
_log.error("BUG! Received datagram bytes, but session is null!");
return;
}
ByteArrayOutputStream msg = new ByteArrayOutputStream(100 + data.length);
String msgText = "DATAGRAM RECEIVED DESTINATION=" + sender.toBase64() + " SIZE=" + data.length;
msg.write(DataHelper.getASCII(msgText));
if ((verMajor == 3 && verMinor >= 2) || verMajor > 3) {
msgText = " FROM_PORT=" + fromPort + " TO_PORT=" + toPort;
msg.write(DataHelper.getASCII(msgText));
}
msg.write((byte) '\n');
if (_log.shouldLog(Log.DEBUG)) _log.debug("sending to client: " + msgText);
msg.write(data);
msg.flush();
writeBytes(ByteBuffer.wrap(msg.toByteArray()));
}
public String lookup(String name) {
Destination dest = getDestination(name);
if (dest == null) return null;
return dest.toBase64();
}
String getOurIPString() {
Destination dest = getMyDestination();
if (dest != null) return dest.toBase64();
return "unknown";
}
public static void notifyStreamIncomingConnection(SocketChannel client, Destination d)
throws IOException {
if (!writeString(d.toBase64() + "\n", client)) {
throw new IOException("Error notifying connection to SAM client");
}
}
/** Perform actions, returning messages about this. */
@Override
public String getMessages()
{
if (isDirect())
return super.getMessages();
// Loading config and addressbook moved into getLoadBookMessages()
String message = "";
if( action != null ) {
Properties nsOptions = new Properties();
// only blockfile needs this
nsOptions.setProperty("list", getFileName());
if (_context.getBooleanProperty(PROP_PW_ENABLE) ||
(serial != null && serial.equals(lastSerial))) {
boolean changed = false;
if (action.equals(_("Add")) || action.equals(_("Replace"))) {
if(hostname != null && destination != null) {
try {
// throws IAE with translated message
String host = AddressBean.toASCII(hostname);
String displayHost = host.equals(hostname) ? hostname :
hostname + " (" + host + ')';
Properties outProperties= new Properties();
Destination oldDest = getNamingService().lookup(host, nsOptions, outProperties);
if (oldDest != null && destination.equals(oldDest.toBase64())) {
message = _("Host name {0} is already in address book, unchanged.", displayHost);
} else if (oldDest != null && !action.equals(_("Replace"))) {
message = _("Host name {0} is already in address book with a different destination. Click \"Replace\" to overwrite.", displayHost);
} else {
try {
Destination dest = new Destination(destination);
if (oldDest != null) {
nsOptions.putAll(outProperties);
nsOptions.setProperty("m", Long.toString(_context.clock().now()));
}
nsOptions.setProperty("s", _("Manually added via SusiDNS"));
boolean success = getNamingService().put(host, dest, nsOptions);
if (success) {
changed = true;
if (oldDest == null)
message = _("Destination added for {0}.", displayHost);
else
message = _("Destination changed for {0}.", displayHost);
if (!host.endsWith(".i2p"))
message += "<br>" + _("Warning - host name does not end with \".i2p\"");
// clear form
hostname = null;
destination = null;
} else {
message = _("Failed to add Destination for {0} to naming service {1}", displayHost, getNamingService().getName()) + "<br>";
}
} catch (DataFormatException dfe) {
message = _("Invalid Base 64 destination.");
}
}
} catch (IllegalArgumentException iae) {
message = iae.getMessage();
if (message == null)
message = _("Invalid host name \"{0}\".", hostname);
}
} else {
message = _("Please enter a host name and destination");
}
// clear search when adding
search = null;
} else if (action.equals(_("Delete Selected")) || action.equals(_("Delete Entry"))) {
String name = null;
int deleted = 0;
for (String n : deletionMarks) {
boolean success = getNamingService().remove(n, nsOptions);
String uni = AddressBean.toUnicode(n);
String displayHost = uni.equals(n) ? n : uni + " (" + n + ')';
if (!success) {
message += _("Failed to delete Destination for {0} from naming service {1}", displayHost, getNamingService().getName()) + "<br>";
} else if (deleted++ == 0) {
changed = true;
name = displayHost;
}
}
if( changed ) {
if (deleted == 1)
// parameter is a host name
message += _("Destination {0} deleted.", name);
else
// parameter will always be >= 2
message = ngettext("1 destination deleted.", "{0} destinations deleted.", deleted);
} else {
message = _("No entries selected to delete.");
}
// clear search when deleting
if (action.equals(_("Delete Entry")))
search = null;
}
if( changed ) {
message += "<br>" + _("Address book saved.");
}
}
else {
message = _("Invalid form submission, probably because you used the \"back\" or \"reload\" button on your browser. Please resubmit.")
+ ' ' +
_("If the problem persists, verify that you have cookies enabled in your browser.");
}
}
action = null;
if( message.length() > 0 )
message = "<p class=\"messages\">" + message + "</p>";
return message;
}