/**
* 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);
}
static void registerSmackProviders() {
ProviderManager pm = ProviderManager.getInstance();
// add IQ handling
pm.addIQProvider("query", "http://jabber.org/protocol/disco#info", new DiscoverInfoProvider());
pm.addIQProvider(
"query", "http://jabber.org/protocol/disco#items", new DiscoverItemsProvider());
// add delayed delivery notifications
pm.addExtensionProvider("delay", "urn:xmpp:delay", new DelayInfoProvider());
pm.addExtensionProvider("x", "jabber:x:delay", new DelayInfoProvider());
// add XEP-0092 Software Version
pm.addIQProvider("query", Version.NAMESPACE, new Version.Provider());
// add carbons and forwarding
pm.addExtensionProvider("forwarded", Forwarded.NAMESPACE, new Forwarded.Provider());
pm.addExtensionProvider("sent", Carbon.NAMESPACE, new Carbon.Provider());
pm.addExtensionProvider("received", Carbon.NAMESPACE, new Carbon.Provider());
// add delivery receipts
pm.addExtensionProvider(
DeliveryReceipt.ELEMENT, DeliveryReceipt.NAMESPACE, new DeliveryReceipt.Provider());
pm.addExtensionProvider(
DeliveryReceiptRequest.ELEMENT,
DeliveryReceipt.NAMESPACE,
new DeliveryReceiptRequest.Provider());
// add XMPP Ping (XEP-0199)
pm.addIQProvider("ping", "urn:xmpp:ping", new PingProvider());
ServiceDiscoveryManager.setDefaultIdentity(YAXIM_IDENTITY);
// XEP-0115 Entity Capabilities
pm.addExtensionProvider("c", "http://jabber.org/protocol/caps", new CapsExtensionProvider());
XmppStreamHandler.addExtensionProviders();
}
// this code runs a DNS resolver, might be blocking
private synchronized void initXMPPConnection() {
// allow custom server / custom port to override SRV record
if (mConfig.customServer.length() > 0)
mXMPPConfig = new ConnectionConfiguration(mConfig.customServer, mConfig.port, mConfig.server);
else mXMPPConfig = new ConnectionConfiguration(mConfig.server); // use SRV
mXMPPConfig.setReconnectionAllowed(false);
mXMPPConfig.setSendPresence(false);
mXMPPConfig.setCompressionEnabled(false); // disable for now
mXMPPConfig.setDebuggerEnabled(mConfig.smackdebug);
if (mConfig.require_ssl)
this.mXMPPConfig.setSecurityMode(ConnectionConfiguration.SecurityMode.required);
// register MemorizingTrustManager for HTTPS
try {
SSLContext sc = SSLContext.getInstance("TLS");
sc.init(
null,
new X509TrustManager[] {YaximApplication.getApp(mService).mMTM},
new java.security.SecureRandom());
this.mXMPPConfig.setCustomSSLContext(sc);
} catch (java.security.GeneralSecurityException e) {
debugLog("initialize MemorizingTrustManager: " + e);
}
this.mXMPPConnection = new XmppStreamHandler.ExtXMPPConnection(mXMPPConfig);
this.mStreamHandler = new XmppStreamHandler(mXMPPConnection, mConfig.smackdebug);
mStreamHandler.addAckReceivedListener(
new XmppStreamHandler.AckReceivedListener() {
public void ackReceived(long handled, long total) {
gotServerPong("" + handled);
}
});
mConfig.reconnect_required = false;
initServiceDiscovery();
}
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);
}
}