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[core] Synchronize notifyConnectionError() 

Synchronize notifyConnectionError() so that only one exception is
handled and remove the ASYNC_BUT_ORDERED usage here. The
ASYNC_BUT_ORDERED was added with 7d2c3ac9f ("Do not call synchronized
methods in reader/writer thread"), but is no longer necessary, since
the Semaphores where replaced with conditions in the previous commit.
This commit is contained in:
Florian Schmaus 2020-05-31 12:34:02 +02:00
parent 57961a8cc1
commit 81f10b0c5b
1 changed files with 9 additions and 8 deletions
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17
smack-core/src/main/java/org/jivesoftware/smack/AbstractXMPPConnection.java
View File

@ -963,6 +963,8 @@ public abstract class AbstractXMPPConnection implements XMPPConnection {
callConnectionClosedListener();
}
private final Object notifyConnectionErrorMonitor = new Object();
/**
* Sends out a notification that there was an error with the connection
* and closes the connection.
@ -970,14 +972,13 @@ public abstract class AbstractXMPPConnection implements XMPPConnection {
* @param exception the exception that causes the connection close event.
*/
protected final void notifyConnectionError(final Exception exception) {
if (!isConnected()) {
LOGGER.log(Level.INFO, "Connection was already disconnected when attempting to handle " + exception,
exception);
return;
}
synchronized (notifyConnectionErrorMonitor) {
if (!isConnected()) {
LOGGER.log(Level.INFO, "Connection was already disconnected when attempting to handle " + exception,
exception);
return;
}
// TODO: Remove this async but ordered?
ASYNC_BUT_ORDERED.performAsyncButOrdered(this, () -> {
// Note that we first have to set the current connection exception and notify waiting threads, as one of them
// could hold the instance lock, which we also need later when calling instantShutdown().
setCurrentConnectionExceptionAndNotify(exception);
@ -995,7 +996,7 @@ public abstract class AbstractXMPPConnection implements XMPPConnection {
// Notify connection listeners of the error.
callConnectionClosedOnErrorListener(exception);
}, AbstractXMPPConnection.this + " callConnectionClosedOnErrorListener()");
});
}
}
/**