/**
* Invoked after a non-sticky session is loaded from memcached, can be used to update some session
* fields based on separately stored information (e.g. session validity info).
*
* @param lockStatus the {@link LockStatus} that was returned from {@link
* #onBeforeLoadFromMemcached(String)}.
*/
protected void onAfterLoadFromMemcached(
@Nonnull final MemcachedBackupSession session, @Nullable final LockStatus lockStatus) {
session.setLockStatus(lockStatus);
final long start = System.currentTimeMillis();
final SessionValidityInfo info = loadSessionValidityInfo(session.getIdInternal());
if (info != null) {
_stats.registerSince(NON_STICKY_AFTER_LOAD_FROM_MEMCACHED, start);
session.setLastAccessedTimeInternal(info.getLastAccessedTime());
session.setThisAccessedTimeInternal(info.getThisAccessedTime());
} else {
_log.warn("No validity info available for session " + session.getIdInternal());
}
}
static DeserializationResult deserializeSessionFields(
final byte[] data, final SessionManager manager) throws InvalidVersionException {
final MemcachedBackupSession result = manager.newMemcachedBackupSession();
final short version = (short) decodeNum(data, 0, 2);
if (version != CURRENT_VERSION) {
throw new InvalidVersionException(
"The version " + version + " does not match the current version " + CURRENT_VERSION,
version);
}
final short sessionFieldsDataLength = (short) decodeNum(data, 2, 2);
result.setCreationTimeInternal(decodeNum(data, 4, 8));
result.setLastAccessedTimeInternal(decodeNum(data, 12, 8));
result.setMaxInactiveInterval((int) decodeNum(data, 20, 4));
result.setIsNewInternal(decodeBoolean(data, 24));
result.setIsValidInternal(decodeBoolean(data, 25));
result.setThisAccessedTimeInternal(decodeNum(data, 26, 8));
result.setLastBackupTime(decodeNum(data, 34, 8));
final short idLength = (short) decodeNum(data, 42, 2);
result.setIdInternal(decodeString(data, 44, idLength));
final short authTypeId = (short) decodeNum(data, 44 + idLength, 2);
result.setAuthTypeInternal(AuthType.valueOfId(authTypeId).getValue());
final int currentIdx = 44 + idLength + 2;
final short principalDataLength = (short) decodeNum(data, currentIdx, 2);
if (principalDataLength > 0) {
final byte[] principalData = new byte[principalDataLength];
System.arraycopy(data, currentIdx + 2, principalData, 0, principalDataLength);
result.setPrincipalInternal(deserializePrincipal(principalData, manager));
}
final byte[] attributesData = new byte[data.length - sessionFieldsDataLength];
System.arraycopy(
data, sessionFieldsDataLength, attributesData, 0, data.length - sessionFieldsDataLength);
return new DeserializationResult(result, attributesData);
}