protected void changeStatus(int nextStatus) {
if (account.getStatus() != nextStatus) {
if ((nextStatus == Account.STATUS_OFFLINE)
&& (account.getStatus() != Account.STATUS_CONNECTING)
&& (account.getStatus() != Account.STATUS_ONLINE)) {
return;
}
account.setStatus(nextStatus);
if (statusListener != null) {
statusListener.onStatusChanged(account);
}
}
}
private void processStream(Tag currentTag)
throws XmlPullParserException, IOException, NoSuchAlgorithmException {
Tag nextTag = tagReader.readTag();
while ((nextTag != null) && (!nextTag.isEnd("stream"))) {
if (nextTag.isStart("error")) {
processStreamError(nextTag);
} else if (nextTag.isStart("features")) {
processStreamFeatures(nextTag);
if ((streamFeatures.getChildren().size() == 1)
&& (streamFeatures.hasChild("starttls"))
&& (!account.isOptionSet(Account.OPTION_USETLS))) {
changeStatus(Account.STATUS_SERVER_REQUIRES_TLS);
}
} else if (nextTag.isStart("proceed")) {
switchOverToTls(nextTag);
} else if (nextTag.isStart("compressed")) {
switchOverToZLib(nextTag);
} else if (nextTag.isStart("success")) {
Log.d(LOGTAG, account.getJid() + ": logged in");
tagReader.readTag();
tagReader.reset();
sendStartStream();
processStream(tagReader.readTag());
break;
} else if (nextTag.isStart("failure")) {
Element failure = tagReader.readElement(nextTag);
changeStatus(Account.STATUS_UNAUTHORIZED);
} else if (nextTag.isStart("challenge")) {
String challange = tagReader.readElement(nextTag).getContent();
Element response = new Element("response");
response.setAttribute("xmlns", "urn:ietf:params:xml:ns:xmpp-sasl");
response.setContent(CryptoHelper.saslDigestMd5(account, challange));
tagWriter.writeElement(response);
} else if (nextTag.isStart("enabled")) {
this.stanzasSent = 0;
Element enabled = tagReader.readElement(nextTag);
if ("true".equals(enabled.getAttribute("resume"))) {
this.streamId = enabled.getAttribute("id");
Log.d(
LOGTAG,
account.getJid() + ": stream managment(" + smVersion + ") enabled (resumable)");
} else {
Log.d(LOGTAG, account.getJid() + ": stream managment(" + smVersion + ") enabled");
}
this.lastSessionStarted = SystemClock.elapsedRealtime();
this.stanzasReceived = 0;
RequestPacket r = new RequestPacket(smVersion);
tagWriter.writeStanzaAsync(r);
} else if (nextTag.isStart("resumed")) {
tagReader.readElement(nextTag);
sendPing();
changeStatus(Account.STATUS_ONLINE);
Log.d(LOGTAG, account.getJid() + ": session resumed");
} else if (nextTag.isStart("r")) {
tagReader.readElement(nextTag);
AckPacket ack = new AckPacket(this.stanzasReceived, smVersion);
// Log.d(LOGTAG,ack.toString());
tagWriter.writeStanzaAsync(ack);
} else if (nextTag.isStart("a")) {
Element ack = tagReader.readElement(nextTag);
lastPaketReceived = SystemClock.elapsedRealtime();
int serverSequence = Integer.parseInt(ack.getAttribute("h"));
if (serverSequence > this.stanzasSent) {
this.stanzasSent = serverSequence;
}
// Log.d(LOGTAG,"server ack"+ack.toString()+" ("+this.stanzasSent+")");
} else if (nextTag.isStart("failed")) {
tagReader.readElement(nextTag);
Log.d(LOGTAG, account.getJid() + ": resumption failed");
streamId = null;
if (account.getStatus() != Account.STATUS_ONLINE) {
sendBindRequest();
}
} else if (nextTag.isStart("iq")) {
processIq(nextTag);
} else if (nextTag.isStart("message")) {
processMessage(nextTag);
} else if (nextTag.isStart("presence")) {
processPresence(nextTag);
} else {
Log.d(
LOGTAG,
"found unexpected tag: " + nextTag.getName() + " as child of " + currentTag.getName());
}
nextTag = tagReader.readTag();
}
if (account.getStatus() == Account.STATUS_ONLINE) {
account.setStatus(Account.STATUS_OFFLINE);
if (statusListener != null) {
statusListener.onStatusChanged(account);
}
}
}
