/**
* Logs out of the current IMAP session and releases all resources, including executor services.
*/
@Override
public synchronized void disconnect() {
try {
// If there is an error with the handler, dont bother logging out.
if (!mailClientHandler.isHalted()) {
if (mailClientHandler.idleRequested.get()) {
log.warn("Disconnect called while IDLE, leaving idle and logging out.");
done();
}
// Log out of the IMAP Server.
channel.write(". logout\n");
}
currentFolder = null;
} catch (Exception e) {
// swallow any exceptions.
} finally {
// Shut down all channels and exit (leave threadpools as is--for reconnects).
// The Netty channel close listener will fire a disconnect event to our client,
// automatically. See connect() for details.
try {
channel.close().awaitUninterruptibly(config.getTimeout(), TimeUnit.MILLISECONDS);
} catch (Exception e) {
// swallow any exceptions.
} finally {
mailClientHandler.idleAcknowledged.set(false);
mailClientHandler.disconnected();
if (disconnectListener != null) disconnectListener.disconnected();
}
}
}
private void disconnectAbnormally(String message) {
try {
halt();
// Disconnect abnormally. The user code should reconnect using the mail client.
errorStack.push(new Error(completions.poll(), message, wireTrace.list()));
idler.disconnect();
} finally {
disconnected();
}
}
private void reset() {
Preconditions.checkState(
!isConnected(),
"Cannot reset while mail client is still connected (call disconnect() first).");
// Just to be on the safe side.
if (mailClientHandler != null) {
mailClientHandler.halt();
mailClientHandler.disconnected();
}
this.mailClientHandler = new MailClientHandler(this, config);
MailClientPipelineFactory pipelineFactory =
new MailClientPipelineFactory(mailClientHandler, config);
this.bootstrap = new ClientBootstrap(new NioClientSocketChannelFactory(bossPool, workerPool));
this.bootstrap.setPipelineFactory(pipelineFactory);
// Reset state (helps if this is a reconnect).
this.currentFolder = null;
this.sequence.set(0L);
mailClientHandler.idleRequested.set(false);
}