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Code Issues Releases Wiki Activity

Simplify PacketReader wait/notify code

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by removing the support for non XMPP 1.0 servers.
This commit is contained in:
Florian Schmaus 2014-04-26 18:47:47 +02:00
parent 2cd7bbadc5
commit 76ce883ef3
1 changed files with 11 additions and 22 deletions
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33
tcp/src/main/java/org/jivesoftware/smack/PacketReader.java
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@ -202,13 +202,6 @@ class PacketReader {
if (parser.getAttributeName(i).equals("id")) { if (parser.getAttributeName(i).equals("id")) {
// Save the connectionID // Save the connectionID
connectionID = parser.getAttributeValue(i); connectionID = parser.getAttributeValue(i);
if (!"1.0".equals(parser.getAttributeValue("", "version"))) {
// Notify that a stream has been opened if the
// server is not XMPP 1.0 compliant otherwise make the
// notification after TLS has been negotiated or if TLS
// is not supported
releaseConnectionIDLock();
}
} }
else if (parser.getAttributeName(i).equals("from")) { else if (parser.getAttributeName(i).equals("from")) {
// Use the server name that the server says that it is. // Use the server name that the server says that it is.
@ -297,19 +290,6 @@ class PacketReader {
} }
} }
/**
* Releases the connection ID lock so that the thread that was waiting can resume. The
* lock will be released when one of the following three conditions is met:<p>
*
* 1) An opening stream was sent from a non XMPP 1.0 compliant server
* 2) Stream features were received from an XMPP 1.0 compliant server that does not support TLS
* 3) TLS negotiation was successful
*
*/
synchronized private void releaseConnectionIDLock() {
notify();
}
private void parseFeatures(XmlPullParser parser) throws Exception { private void parseFeatures(XmlPullParser parser) throws Exception {
boolean startTLSReceived = false; boolean startTLSReceived = false;
boolean startTLSRequired = false; boolean startTLSRequired = false;
@ -387,11 +367,20 @@ class PacketReader {
} }
} }
// Release the lock after TLS has been negotiated or we are not insterested in TLS // Release the lock after TLS has been negotiated or we are not interested in TLS. If the
// server announced TLS and we choose to use it, by sending 'starttls', which the server
// replied with 'proceed', the server is required to send a new stream features element that
// "MUST NOT include the STARTTLS feature" (RFC6120 5.4.3.3. 5.). We are therefore save to
// release the connection lock once either TLS is disabled or we received a features stanza
// without starttls.
if (!startTLSReceived || connection.getConfiguration().getSecurityMode() == if (!startTLSReceived || connection.getConfiguration().getSecurityMode() ==
ConnectionConfiguration.SecurityMode.disabled) ConnectionConfiguration.SecurityMode.disabled)
{ {
releaseConnectionIDLock(); // This synchronized block prevents this thread from calling notify() before the other
// thread had called wait() (it would cause an Exception if wait() hadn't been called)
synchronized (this) {
notify();
}
} }
} }
} }