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SMACK-417 If both PacketReader and PacketWriter fail at the same time, connectionClosedonError() is called two times

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Refactored notifyConnectionError() and notifyReconnection() from PacketReader to XMPPConnection. Made PacketReader.done and PacketWriter.done volatile. Prevent duplicate connectionClosedonError() calls by making the method synchronzied and protected them with an enter guard: if (packetReader.done && packetWriter.done) return;

git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/branches/smack_3_3_0@13568 b35dd754-fafc-0310-a699-88a17e54d16e
This commit is contained in:
Florian Schmaus 2013-03-18 19:58:48 +00:00 • committed by flow
parent 6dcf8e0123
commit a55b54f20b
5 changed files with 65 additions and 61 deletions
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46
source/org/jivesoftware/smack/PacketReader.java
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@ -48,7 +48,7 @@ class PacketReader {
private XMPPConnection connection;
private XmlPullParser parser;
private boolean done;
volatile boolean done;
private String connectionID = null;
private Semaphore connectionSemaphore;
@ -155,48 +155,6 @@ class PacketReader {
connection.collectors.clear();
}
/**
* Sends out a notification that there was an error with the connection
* and closes the connection.
*
* @param e the exception that causes the connection close event.
*/
void notifyConnectionError(Exception e) {
done = true;
// Closes the connection temporary. A reconnection is possible
connection.shutdown(new Presence(Presence.Type.unavailable));
// Print the stack trace to help catch the problem
e.printStackTrace();
// Notify connection listeners of the error.
for (ConnectionListener listener : connection.getConnectionListeners()) {
try {
listener.connectionClosedOnError(e);
}
catch (Exception e2) {
// Catch and print any exception so we can recover
// from a faulty listener
e2.printStackTrace();
}
}
}
/**
* Sends a notification indicating that the connection was reconnected successfully.
*/
protected void notifyReconnection() {
// Notify connection listeners of the reconnection.
for (ConnectionListener listener : connection.getConnectionListeners()) {
try {
listener.reconnectionSuccessful();
}
catch (Exception e) {
// Catch and print any exception so we can recover
// from a faulty listener
e.printStackTrace();
}
}
}
/**
* Resets the parser using the latest connection's reader. Reseting the parser is necessary
* when the plain connection has been secured or when a new opening stream element is going
@ -332,7 +290,7 @@ class PacketReader {
if (!(done || connection.isSocketClosed())) {
// Close the connection and notify connection listeners of the
// error.
notifyConnectionError(e);
connection.notifyConnectionError(e);
}
}
}