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Merge branch 'master' of github.com:Flowdalic/Smack

This commit is contained in:
Florian Schmaus 2019-06-03 17:41:49 +02:00
parent b288768f77 02f7cfcf27
commit 9a2cca2bd3
3 changed files with 58 additions and 60 deletions
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2
smack-core/src/main/java/org/jivesoftware/smack/AbstractXMPPConnection.java
View File

@ -1251,7 +1251,7 @@ public abstract class AbstractXMPPConnection implements XMPPConnection {
try {
stanza = PacketParserUtils.parseStanza(parser, incomingStreamXmlEnvironment);
}
catch (Exception e) {
catch (XmlPullParserException | SmackParsingException | IOException e) {
CharSequence content = PacketParserUtils.parseContentDepth(parser,
parserDepth);
UnparseableStanza message = new UnparseableStanza(content, e);

16
smack-core/src/main/java/org/jivesoftware/smack/util/PacketParserUtils.java
View File

@ -55,6 +55,7 @@ import org.jivesoftware.smack.xml.XmlPullParser;
import org.jivesoftware.smack.xml.XmlPullParserException;
import org.jxmpp.jid.Jid;
import org.jxmpp.stringprep.XmppStringprepException;
/**
* Utility class that helps to parse packets. Any parsing packets method that must be shared
@ -89,7 +90,7 @@ public class PacketParserUtils {
}
@SuppressWarnings("unchecked")
public static <S extends Stanza> S parseStanza(String stanza) throws Exception {
public static <S extends Stanza> S parseStanza(String stanza) throws XmlPullParserException, SmackParsingException, IOException {
return (S) parseStanza(getParserFor(stanza), null);
}
@ -101,9 +102,11 @@ public class PacketParserUtils {
* @param parser
* @param outerXmlEnvironment the outer XML environment (optional).
* @return a stanza which is either a Message, IQ or Presence.
* @throws Exception
* @throws XmlPullParserException
* @throws SmackParsingException
* @throws IOException
*/
public static Stanza parseStanza(XmlPullParser parser, XmlEnvironment outerXmlEnvironment) throws Exception {
public static Stanza parseStanza(XmlPullParser parser, XmlEnvironment outerXmlEnvironment) throws XmlPullParserException, SmackParsingException, IOException {
ParserUtils.assertAtStartTag(parser);
final String name = parser.getName();
switch (name) {
@ -508,9 +511,12 @@ public class PacketParserUtils {
* @param parser the XML parser, positioned at the start of an IQ packet.
* @param outerXmlEnvironment the outer XML environment (optional).
* @return an IQ object.
* @throws Exception
* @throws XmlPullParserException
* @throws XmppStringprepException
* @throws IOException
* @throws SmackParsingException
*/
public static IQ parseIQ(XmlPullParser parser, XmlEnvironment outerXmlEnvironment) throws Exception {
public static IQ parseIQ(XmlPullParser parser, XmlEnvironment outerXmlEnvironment) throws XmlPullParserException, XmppStringprepException, IOException, SmackParsingException {
ParserUtils.assertAtStartTag(parser);
final int initialDepth = parser.getDepth();
XmlEnvironment iqXmlEnvironment = XmlEnvironment.from(parser, outerXmlEnvironment);

100
smack-extensions/src/main/java/org/jivesoftware/smackx/commands/AdHocCommandManager.java
View File

@ -20,10 +20,13 @@ package org.jivesoftware.smackx.commands;
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.WeakHashMap;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.TimeUnit;
import java.util.logging.Level;
import java.util.logging.Logger;
@ -126,15 +129,6 @@ public final class AdHocCommandManager extends Manager {
private final ServiceDiscoveryManager serviceDiscoveryManager;
/**
* Thread that reaps stale sessions.
*/
// FIXME The session sweeping is horrible implemented. The thread will never stop running. A different approach must
// be implemented. For example one that does stop reaping sessions and the thread if there are no more, and restarts
// the reaping process on demand. Or for every command a scheduled task should be created that removes the session
// if it's timed out. See SMACK-624.
private Thread sessionsSweeper;
private AdHocCommandManager(XMPPConnection connection) {
super(connection);
this.serviceDiscoveryManager = ServiceDiscoveryManager.getInstanceFor(connection);
@ -186,8 +180,6 @@ public final class AdHocCommandManager extends Manager {
}
}
});
sessionsSweeper = null;
}
/**
@ -380,49 +372,8 @@ public final class AdHocCommandManager extends Manager {
// available for the next call
response.setStatus(Status.executing);
executingCommands.put(sessionId, command);
// See if the session reaping thread is started. If not, start it.
if (sessionsSweeper == null) {
sessionsSweeper = new Thread(new Runnable() {
@Override
public void run() {
while (true) {
for (String sessionId : executingCommands.keySet()) {
LocalCommand command = executingCommands.get(sessionId);
// Since the command could be removed in the meanwhile
// of getting the key and getting the value - by a
// processed packet. We must check if it still in the
// map.
if (command != null) {
long creationStamp = command.getCreationDate();
// Check if the Session data has expired (default is
// 10 minutes)
// To remove it from the session list it waits for
// the double of the of time out time. This is to
// let
// the requester know why his execution request is
// not accepted. If the session is removed just
// after the time out, then whe the user request to
// continue the execution he will received an
// invalid session error and not a time out error.
if (System.currentTimeMillis() - creationStamp > SESSION_TIMEOUT * 1000 * 2) {
// Remove the expired session
executingCommands.remove(sessionId);
}
}
}
try {
Thread.sleep(1000);
}
catch (InterruptedException ie) {
// Ignore.
}
}
}
});
sessionsSweeper.setDaemon(true);
sessionsSweeper.start();
}
// See if the session sweeper thread is scheduled. If not, start it.
maybeWindUpSessionSweeper();
}
// Sends the response packet
@ -558,6 +509,47 @@ public final class AdHocCommandManager extends Manager {
}
}
private boolean sessionSweeperScheduled;
private final Runnable sessionSweeper = () -> {
final long currentTime = System.currentTimeMillis();
synchronized (this) {
for (Iterator<Entry<String, LocalCommand>> it = executingCommands.entrySet().iterator(); it.hasNext();) {
Entry<String, LocalCommand> entry = it.next();
LocalCommand command = entry.getValue();
long creationStamp = command.getCreationDate();
// Check if the Session data has expired (default is 10 minutes)
// To remove it from the session list it waits for the double of
// the of time out time. This is to let
// the requester know why his execution request is
// not accepted. If the session is removed just
// after the time out, then once the user requests to
// continue the execution he will received an
// invalid session error and not a time out error.
if (currentTime - creationStamp > SESSION_TIMEOUT * 1000 * 2) {
// Remove the expired session
it.remove();
}
}
sessionSweeperScheduled = false;
}
if (!executingCommands.isEmpty()) {
maybeWindUpSessionSweeper();
}
};
private synchronized void maybeWindUpSessionSweeper() {
if (sessionSweeperScheduled) {
return;
}
sessionSweeperScheduled = true;
schedule(sessionSweeper, 10, TimeUnit.SECONDS);
}
/**
* Responds an error with an specific condition.
*