in core/src/main/java/org/apache/mina/service/idlechecker/IndexedIdleChecker.java [169:204]
public void sessionWritten(AbstractIoSession session, long timeInMs) {
if (IS_DEBUG) {
LOG.debug("session write event, compute idle index of session {}", session);
}
// remove from the old index position
Integer oldIndex = session.getAttribute(WRITE_IDLE_INDEX);
if (oldIndex != null && writeIdleSessionIndex[oldIndex] != null) {
if (IS_DEBUG) {
LOG.debug("remove for old index {}", oldIndex);
}
writeIdleSessionIndex[oldIndex].remove(session);
}
long idleTimeInMs = session.getConfig().getIdleTimeInMillis(IdleStatus.WRITE_IDLE);
// is idle enabled ?
if (idleTimeInMs <= 0L) {
if (IS_DEBUG) {
LOG.debug("no write idle configuration");
}
} else {
int nextIdleTimeInSeconds = (int) ((timeInMs + idleTimeInMs) / 1000L);
int index = nextIdleTimeInSeconds % MAX_IDLE_TIME_IN_SEC;
if (writeIdleSessionIndex[index] == null) {
writeIdleSessionIndex[index] = Collections
.newSetFromMap(new ConcurrentHashMap<AbstractIoSession, Boolean>());
}
writeIdleSessionIndex[index].add(session);
session.setAttribute(WRITE_IDLE_INDEX, index);
}
}