private void decrementSessionSizeCounters(DefaultSmppSession session) {
this.counters.decrementSessionSizeAndGet();
switch (session.getBindType()) {
case TRANSCEIVER:
this.counters.decrementTransceiverSessionSizeAndGet();
break;
case RECEIVER:
this.counters.decrementTransmitterSessionSizeAndGet();
break;
case TRANSMITTER:
this.counters.decrementReceiverSessionSizeAndGet();
break;
}
}
protected void destroySession(Long sessionId, DefaultSmppSession session) {
// session destroyed, now pass it upstream
counters.incrementSessionDestroyedAndGet();
decrementSessionSizeCounters(session);
serverHandler.sessionDestroyed(sessionId, session);
// unregister this session as an mbean
if (configuration.isJmxEnabled()) {
session.unregisterMBean(
configuration.getJmxDomain()
+ ":type="
+ configuration.getName()
+ "Sessions,name="
+ sessionId);
}
}
protected void createSession(
Long sessionId,
Channel channel,
SmppSessionConfiguration config,
BaseBindResp preparedBindResponse)
throws SmppProcessingException {
// NOTE: exactly one PDU (bind request) was read from the channel, we
// now need to delegate permitting this bind request by calling a method
// further upstream. Only after the server-side is completely ready to
// start processing requests from this session, do we want to actually
// return the bind response and start reading further requests -- we'll
// initially block reading from the channel first -- this will be turned
// back on via the "serverReady()" method call on the session object
// make sure the channel is not being read/processed (until we flag we're ready later on)
channel.config().setAutoRead(false);
// auto negotiate the interface version in use based on the requested interface version
byte interfaceVersion = this.autoNegotiateInterfaceVersion(config.getInterfaceVersion());
// create a new server session associated with this server
DefaultSmppSession session =
new DefaultSmppSession(
SmppSession.Type.SERVER,
config,
channel,
this,
sessionId,
preparedBindResponse,
interfaceVersion,
monitorExecutor);
// replace name of thread used for renaming
SmppSessionThreadRenamer threadRenamer =
(SmppSessionThreadRenamer)
channel.pipeline().get(SmppChannelConstants.PIPELINE_SESSION_THREAD_RENAMER_NAME);
threadRenamer.setThreadName(config.getName());
// add a logging handler after the thread renamer
SmppSessionLogger loggingHandler =
new SmppSessionLogger(
DefaultSmppSession.class.getCanonicalName(), config.getLoggingOptions());
channel
.pipeline()
.addAfter(
SmppChannelConstants.PIPELINE_SESSION_THREAD_RENAMER_NAME,
SmppChannelConstants.PIPELINE_SESSION_LOGGER_NAME,
loggingHandler);
// decoder in pipeline is ok (keep it)
// create a new wrapper around a session to pass the pdu up the chain
channel.pipeline().remove(SmppChannelConstants.PIPELINE_SESSION_WRAPPER_NAME);
channel
.pipeline()
.addLast(
SmppChannelConstants.PIPELINE_SESSION_WRAPPER_NAME, new SmppSessionWrapper(session));
// check if the # of channels exceeds maxConnections
if (this.channels.size() > this.configuration.getMaxConnectionSize()) {
logger.warn(
"The current connection size [{}] exceeds the configured max connection size [{}]",
this.channels.size(),
this.configuration.getMaxConnectionSize());
}
// session created, now pass it upstream
counters.incrementSessionCreatedAndGet();
incrementSessionSizeCounters(session);
this.serverHandler.sessionCreated(sessionId, session, preparedBindResponse);
// register this session as an mbean
if (configuration.isJmxEnabled()) {
session.registerMBean(
configuration.getJmxDomain()
+ ":type="
+ configuration.getName()
+ "Sessions,name="
+ sessionId);
}
}