private void registerPresenceListener() {
// do not register multiple packet listeners
if (mPresenceListener != null) mXMPPConnection.removePacketListener(mPresenceListener);
mPresenceListener =
new PacketListener() {
public void processPacket(Packet packet) {
try {
Presence p = (Presence) packet;
switch (p.getType()) {
case subscribe:
handleIncomingSubscribe(p);
break;
case unsubscribe:
break;
}
} catch (Exception e) {
// SMACK silently discards exceptions dropped from processPacket :(
Log.e(TAG, "failed to process presence:");
e.printStackTrace();
}
}
};
mXMPPConnection.addPacketListener(mPresenceListener, new PacketTypeFilter(Presence.class));
}
/**
* Check the server connection, reconnect if needed.
*
* <p>This function will try to ping the server if we are connected, and try to reestablish a
* connection otherwise.
*/
public void sendServerPing() {
if (mXMPPConnection == null || !mXMPPConnection.isAuthenticated()) {
debugLog("Ping: requested, but not connected to server.");
requestConnectionState(ConnectionState.ONLINE, false);
return;
}
if (mPingID != null) {
debugLog("Ping: requested, but still waiting for " + mPingID);
return; // a ping is still on its way
}
if (mStreamHandler.isSmEnabled()) {
debugLog("Ping: sending SM request");
mPingID = "" + mStreamHandler.requestAck();
} else {
Ping ping = new Ping();
ping.setType(Type.GET);
ping.setTo(mConfig.server);
mPingID = ping.getPacketID();
debugLog("Ping: sending ping " + mPingID);
mXMPPConnection.sendPacket(ping);
}
// register ping timeout handler: PACKET_TIMEOUT(30s) + 3s
registerPongTimeout(PACKET_TIMEOUT + 3000, mPingID);
}
private void registerRosterListener() {
// flush roster on connecting.
mRoster = mXMPPConnection.getRoster();
mRoster.setSubscriptionMode(Roster.SubscriptionMode.manual);
if (mRosterListener != null) mRoster.removeRosterListener(mRosterListener);
mRosterListener =
new RosterListener() {
private boolean first_roster = true;
public void entriesAdded(Collection<String> entries) {
debugLog("entriesAdded(" + entries + ")");
ContentValues[] cvs = new ContentValues[entries.size()];
int i = 0;
for (String entry : entries) {
RosterEntry rosterEntry = mRoster.getEntry(entry);
cvs[i++] = getContentValuesForRosterEntry(rosterEntry);
}
mContentResolver.bulkInsert(RosterProvider.CONTENT_URI, cvs);
// when getting the roster in the beginning, remove remains of old one
if (first_roster) {
removeOldRosterEntries();
first_roster = false;
mServiceCallBack.rosterChanged();
}
debugLog("entriesAdded() done");
}
public void entriesDeleted(Collection<String> entries) {
debugLog("entriesDeleted(" + entries + ")");
for (String entry : entries) {
deleteRosterEntryFromDB(entry);
}
mServiceCallBack.rosterChanged();
}
public void entriesUpdated(Collection<String> entries) {
debugLog("entriesUpdated(" + entries + ")");
for (String entry : entries) {
RosterEntry rosterEntry = mRoster.getEntry(entry);
updateRosterEntryInDB(rosterEntry);
}
mServiceCallBack.rosterChanged();
}
public void presenceChanged(Presence presence) {
debugLog("presenceChanged(" + presence.getFrom() + "): " + presence);
String jabberID = getBareJID(presence.getFrom());
RosterEntry rosterEntry = mRoster.getEntry(jabberID);
updateRosterEntryInDB(rosterEntry);
mServiceCallBack.rosterChanged();
}
};
mRoster.addRosterListener(mRosterListener);
}
public void sendPresenceRequest(String user, String type) {
// HACK: remove the fake roster entry added by handleIncomingSubscribe()
if ("unsubscribed".equals(type)) deleteRosterEntryFromDB(user);
Presence response = new Presence(Presence.Type.valueOf(type));
response.setTo(user);
mXMPPConnection.sendPacket(response);
}
public void unRegisterCallback() {
debugLog("unRegisterCallback()");
// remove callbacks _before_ tossing old connection
try {
mXMPPConnection.getRoster().removeRosterListener(mRosterListener);
mXMPPConnection.removePacketListener(mPacketListener);
mXMPPConnection.removePacketListener(mPresenceListener);
mXMPPConnection.removePacketListener(mPongListener);
unregisterPongListener();
} catch (Exception e) {
// ignore it!
e.printStackTrace();
}
requestConnectionState(ConnectionState.OFFLINE);
setStatusOffline();
mService.unregisterReceiver(mPingAlarmReceiver);
mService.unregisterReceiver(mPongTimeoutAlarmReceiver);
this.mServiceCallBack = null;
}
public void setStatusFromConfig() {
// TODO: only call this when carbons changed, not on every presence change
CarbonManager.getInstanceFor(mXMPPConnection).sendCarbonsEnabled(mConfig.messageCarbons);
Presence presence = new Presence(Presence.Type.available);
Mode mode = Mode.valueOf(mConfig.statusMode);
presence.setMode(mode);
presence.setStatus(mConfig.statusMessage);
presence.setPriority(mConfig.priority);
mXMPPConnection.sendPacket(presence);
mConfig.presence_required = false;
}
/**
* Registers a smack packet listener for IQ packets, intended to recognize "pongs" with a packet
* id matching the last "ping" sent to the server.
*
* <p>Also sets up the AlarmManager Timer plus necessary intents.
*/
private void registerPongListener() {
// reset ping expectation on new connection
mPingID = null;
if (mPongListener != null) mXMPPConnection.removePacketListener(mPongListener);
mPongListener =
new PacketListener() {
@Override
public void processPacket(Packet packet) {
if (packet == null) return;
gotServerPong(packet.getPacketID());
}
};
mXMPPConnection.addPacketListener(mPongListener, new PacketTypeFilter(IQ.class));
mPingAlarmPendIntent =
PendingIntent.getBroadcast(
mService.getApplicationContext(),
0,
mPingAlarmIntent,
PendingIntent.FLAG_UPDATE_CURRENT);
mPongTimeoutAlarmPendIntent =
PendingIntent.getBroadcast(
mService.getApplicationContext(),
0,
mPongTimeoutAlarmIntent,
PendingIntent.FLAG_UPDATE_CURRENT);
mAlarmManager.setInexactRepeating(
AlarmManager.RTC_WAKEUP,
System.currentTimeMillis() + AlarmManager.INTERVAL_FIFTEEN_MINUTES,
AlarmManager.INTERVAL_FIFTEEN_MINUTES,
mPingAlarmPendIntent);
}
private void tryToRemoveRosterEntry(String user) throws YaximXMPPException {
try {
RosterEntry rosterEntry = mRoster.getEntry(user);
if (rosterEntry != null) {
// first, unsubscribe the user
Presence unsub = new Presence(Presence.Type.unsubscribed);
unsub.setTo(rosterEntry.getUser());
mXMPPConnection.sendPacket(unsub);
// then, remove from roster
mRoster.removeEntry(rosterEntry);
}
} catch (XMPPException e) {
throw new YaximXMPPException("tryToRemoveRosterEntry", e);
}
}
public void sendOfflineMessages() {
Cursor cursor =
mContentResolver.query(
ChatProvider.CONTENT_URI, SEND_OFFLINE_PROJECTION, SEND_OFFLINE_SELECTION, null, null);
final int _ID_COL = cursor.getColumnIndexOrThrow(ChatConstants._ID);
final int JID_COL = cursor.getColumnIndexOrThrow(ChatConstants.JID);
final int MSG_COL = cursor.getColumnIndexOrThrow(ChatConstants.MESSAGE);
final int TS_COL = cursor.getColumnIndexOrThrow(ChatConstants.DATE);
final int PACKETID_COL = cursor.getColumnIndexOrThrow(ChatConstants.PACKET_ID);
ContentValues mark_sent = new ContentValues();
mark_sent.put(ChatConstants.DELIVERY_STATUS, ChatConstants.DS_SENT_OR_READ);
while (cursor.moveToNext()) {
int _id = cursor.getInt(_ID_COL);
String toJID = cursor.getString(JID_COL);
String message = cursor.getString(MSG_COL);
String packetID = cursor.getString(PACKETID_COL);
long ts = cursor.getLong(TS_COL);
Log.d(TAG, "sendOfflineMessages: " + toJID + " > " + message);
final Message newMessage = new Message(toJID, Message.Type.chat);
newMessage.setBody(message);
DelayInformation delay = new DelayInformation(new Date(ts));
newMessage.addExtension(delay);
newMessage.addExtension(new DelayInfo(delay));
newMessage.addExtension(new DeliveryReceiptRequest());
if ((packetID != null) && (packetID.length() > 0)) {
newMessage.setPacketID(packetID);
} else {
packetID = newMessage.getPacketID();
mark_sent.put(ChatConstants.PACKET_ID, packetID);
}
Uri rowuri =
Uri.parse(
"content://" + ChatProvider.AUTHORITY + "/" + ChatProvider.TABLE_NAME + "/" + _id);
mContentResolver.update(rowuri, mark_sent, null, null);
mXMPPConnection.sendPacket(
newMessage); // must be after marking delivered, otherwise it may override the
// SendFailListener
}
cursor.close();
}
public void sendMessage(String toJID, String message) {
final Message newMessage = new Message(toJID, Message.Type.chat);
newMessage.setBody(message);
newMessage.addExtension(new DeliveryReceiptRequest());
if (isAuthenticated()) {
addChatMessageToDB(
ChatConstants.OUTGOING,
toJID,
message,
ChatConstants.DS_SENT_OR_READ,
System.currentTimeMillis(),
newMessage.getPacketID());
mXMPPConnection.sendPacket(newMessage);
} else {
// send offline -> store to DB
addChatMessageToDB(
ChatConstants.OUTGOING,
toJID,
message,
ChatConstants.DS_NEW,
System.currentTimeMillis(),
newMessage.getPacketID());
}
}
public boolean isAuthenticated() {
if (mXMPPConnection != null) {
return (mXMPPConnection.isConnected() && mXMPPConnection.isAuthenticated());
}
return false;
}
public void sendReceipt(String toJID, String id) {
Log.d(TAG, "sending XEP-0184 ack to " + toJID + " id=" + id);
final Message ack = new Message(toJID, Message.Type.normal);
ack.addExtension(new DeliveryReceipt(id));
mXMPPConnection.sendPacket(ack);
}
private void tryToConnect(boolean create_account) throws YaximXMPPException {
try {
if (mXMPPConnection.isConnected()) {
try {
mStreamHandler.quickShutdown(); // blocking shutdown prior to re-connection
} catch (Exception e) {
debugLog("conn.shutdown() failed: " + e);
}
}
registerRosterListener();
boolean need_bind = !mStreamHandler.isResumePossible();
mXMPPConnection.connect(need_bind);
// the following should not happen as of smack 3.3.1
if (!mXMPPConnection.isConnected()) {
throw new YaximXMPPException("SMACK connect failed without exception!");
}
if (mConnectionListener != null)
mXMPPConnection.removeConnectionListener(mConnectionListener);
mConnectionListener =
new ConnectionListener() {
public void connectionClosedOnError(Exception e) {
onDisconnected(e);
}
public void connectionClosed() {
// TODO: fix reconnect when we got kicked by the server or SM failed!
// onDisconnected(null);
updateConnectionState(ConnectionState.OFFLINE);
}
public void reconnectingIn(int seconds) {}
public void reconnectionFailed(Exception e) {}
public void reconnectionSuccessful() {}
};
mXMPPConnection.addConnectionListener(mConnectionListener);
// SMACK auto-logins if we were authenticated before
if (!mXMPPConnection.isAuthenticated()) {
if (create_account) {
Log.d(TAG, "creating new server account...");
AccountManager am = new AccountManager(mXMPPConnection);
am.createAccount(mConfig.userName, mConfig.password);
}
mXMPPConnection.login(mConfig.userName, mConfig.password, mConfig.ressource);
}
Log.d(
TAG, "SM: can resume = " + mStreamHandler.isResumePossible() + " needbind=" + need_bind);
if (need_bind) {
mStreamHandler.notifyInitialLogin();
setStatusFromConfig();
}
} catch (YaximXMPPException e) {
throw e;
} catch (Exception e) {
// actually we just care for IllegalState or NullPointer or XMPPEx.
throw new YaximXMPPException("tryToConnect failed", e);
}
}
private void registerMessageListener() {
// do not register multiple packet listeners
if (mPacketListener != null) mXMPPConnection.removePacketListener(mPacketListener);
PacketTypeFilter filter = new PacketTypeFilter(Message.class);
mPacketListener =
new PacketListener() {
public void processPacket(Packet packet) {
try {
if (packet instanceof Message) {
Message msg = (Message) packet;
String fromJID = getBareJID(msg.getFrom());
int direction = ChatConstants.INCOMING;
Carbon cc = CarbonManager.getCarbon(msg);
// extract timestamp
long ts;
DelayInfo timestamp = (DelayInfo) msg.getExtension("delay", "urn:xmpp:delay");
if (timestamp == null)
timestamp = (DelayInfo) msg.getExtension("x", "jabber:x:delay");
if (cc != null) // Carbon timestamp overrides packet timestamp
timestamp = cc.getForwarded().getDelayInfo();
if (timestamp != null) ts = timestamp.getStamp().getTime();
else ts = System.currentTimeMillis();
// try to extract a carbon
if (cc != null) {
Log.d(TAG, "carbon: " + cc.toXML());
msg = (Message) cc.getForwarded().getForwardedPacket();
// outgoing carbon: fromJID is actually chat peer's JID
if (cc.getDirection() == Carbon.Direction.sent) {
fromJID = getBareJID(msg.getTo());
direction = ChatConstants.OUTGOING;
} else {
fromJID = getBareJID(msg.getFrom());
// hook off carbonated delivery receipts
DeliveryReceipt dr =
(DeliveryReceipt)
msg.getExtension(DeliveryReceipt.ELEMENT, DeliveryReceipt.NAMESPACE);
if (dr != null) {
Log.d(TAG, "got CC'ed delivery receipt for " + dr.getId());
changeMessageDeliveryStatus(dr.getId(), ChatConstants.DS_ACKED);
}
}
}
String chatMessage = msg.getBody();
// display error inline
if (msg.getType() == Message.Type.error) {
if (changeMessageDeliveryStatus(msg.getPacketID(), ChatConstants.DS_FAILED))
mServiceCallBack.messageError(fromJID, msg.getError().toString(), (cc != null));
return; // we do not want to add errors as "incoming messages"
}
// ignore empty messages
if (chatMessage == null) {
Log.d(TAG, "empty message.");
return;
}
// carbons are old. all others are new
int is_new = (cc == null) ? ChatConstants.DS_NEW : ChatConstants.DS_SENT_OR_READ;
if (msg.getType() == Message.Type.error) is_new = ChatConstants.DS_FAILED;
addChatMessageToDB(direction, fromJID, chatMessage, is_new, ts, msg.getPacketID());
if (direction == ChatConstants.INCOMING)
mServiceCallBack.newMessage(fromJID, chatMessage, (cc != null));
}
} catch (Exception e) {
// SMACK silently discards exceptions dropped from processPacket :(
Log.e(TAG, "failed to process packet:");
e.printStackTrace();
}
}
};
mXMPPConnection.addPacketListener(mPacketListener, filter);
}
