/**
* Send a notification to the client that their message (id specified) was accepted for delivery
* (but not necessarily delivered) Doesn't do anything if i2cp.messageReliability = "none" or if
* the nonce is 0.
*
* @param id OUR id for the message
* @param nonce HIS id for the message
*/
void ackSendMessage(MessageId id, long nonce) {
if (_dontSendMSM || nonce == 0) return;
SessionId sid = _sessionId;
if (sid == null) return;
if (_log.shouldLog(Log.DEBUG))
_log.debug("Acking message send [accepted]" + id + " / " + nonce + " for sessionId " + sid);
MessageStatusMessage status = new MessageStatusMessage();
status.setMessageId(id.getMessageId());
status.setSessionId(sid.getSessionId());
status.setSize(0L);
status.setNonce(nonce);
status.setStatus(MessageStatusMessage.STATUS_SEND_ACCEPTED);
try {
doSend(status);
_acceptedPending.remove(id);
} catch (I2CPMessageException ime) {
if (_log.shouldLog(Log.WARN)) _log.warn("Error writing out the message status message", ime);
}
}
/**
* Note that this sends the Guaranteed status codes, even though we only support best effort.
*/
public void runJob() {
if (_dead) return;
MessageStatusMessage msg = new MessageStatusMessage();
msg.setMessageId(_messageId.getMessageId());
msg.setSessionId(_sessionId.getSessionId());
// has to be >= 0, it is initialized to -1
msg.setNonce(2);
msg.setSize(0);
msg.setStatus(_status);
if (!alreadyAccepted(_messageId)) {
if (_requeueCount++ > MAX_REQUEUE) {
// bug requeueing forever? failsafe
_log.error(
"Abandon update for message "
+ _messageId
+ " to "
+ MessageStatusMessage.getStatusString(msg.getStatus())
+ " for session "
+ _sessionId.getSessionId());
} else {
if (_log.shouldLog(Log.WARN))
_log.warn(
"Almost send an update for message "
+ _messageId
+ " to "
+ MessageStatusMessage.getStatusString(msg.getStatus())
+ " for session "
+ _sessionId.getSessionId()
+ " before they knew the messageId! delaying .5s");
_lastTried = _context.clock().now();
requeue(REQUEUE_DELAY);
}
return;
}
boolean alreadyProcessed = false;
long beforeLock = _context.clock().now();
long inLock = 0;
synchronized (_alreadyProcessed) {
inLock = _context.clock().now();
if (_alreadyProcessed.contains(_messageId)) {
_log.warn("Status already updated");
alreadyProcessed = true;
} else {
_alreadyProcessed.add(_messageId);
while (_alreadyProcessed.size() > 10) _alreadyProcessed.remove(0);
}
}
long afterLock = _context.clock().now();
if (afterLock - beforeLock > 50) {
_log.warn(
"MessageDeliveryStatusUpdate.locking took too long: "
+ (afterLock - beforeLock)
+ " overall, synchronized took "
+ (inLock - beforeLock));
}
if (alreadyProcessed) return;
if (_lastTried > 0) {
if (_log.shouldLog(Log.DEBUG))
_log.info(
"Updating message status for message "
+ _messageId
+ " to "
+ MessageStatusMessage.getStatusString(msg.getStatus())
+ " for session "
+ _sessionId.getSessionId()
+ " (with nonce=2), retrying after "
+ (_context.clock().now() - _lastTried));
} else {
if (_log.shouldLog(Log.DEBUG))
_log.debug(
"Updating message status for message "
+ _messageId
+ " to "
+ MessageStatusMessage.getStatusString(msg.getStatus())
+ " for session "
+ _sessionId.getSessionId()
+ " (with nonce=2)");
}
try {
doSend(msg);
} catch (I2CPMessageException ime) {
if (_log.shouldLog(Log.WARN))
_log.warn("Error updating the status for message ID " + _messageId, ime);
}
}