public void handleCompleteTransactionMessage(CompleteTransactionMessage message) {
if (m_isLeader) {
CompleteTransactionMessage replmsg = new CompleteTransactionMessage(message);
// Set the spHandle so that on repair the new master will set the max seen spHandle
// correctly
advanceTxnEgo();
replmsg.setSpHandle(getCurrentTxnId());
if (m_sendToHSIds.length > 0) {
m_mailbox.send(m_sendToHSIds, replmsg);
}
} else {
setMaxSeenTxnId(message.getSpHandle());
}
TransactionState txn = m_outstandingTxns.get(message.getTxnId());
// We can currently receive CompleteTransactionMessages for multipart procedures
// which only use the buddy site (replicated table read). Ignore them for
// now, fix that later.
if (txn != null) {
Iv2Trace.logCompleteTransactionMessage(message, m_mailbox.getHSId());
final CompleteTransactionTask task =
new CompleteTransactionTask(txn, m_pendingTasks, message, m_drGateway);
queueOrOfferMPTask(task);
// If this is a restart, then we need to leave the transaction state around
if (!message.isRestart()) {
m_outstandingTxns.remove(message.getTxnId());
}
}
}
public static void logCompleteTransactionMessage(
CompleteTransactionMessage ctask, long localHSId) {
if (iv2log.isTraceEnabled()) {
String logmsg = "rxCompMsg %s from %s txnId %s %s %s";
iv2log.trace(
String.format(
logmsg,
CoreUtils.hsIdToString(localHSId),
CoreUtils.hsIdToString(ctask.m_sourceHSId),
txnIdToString(ctask.getTxnId()),
ctask.isRollback() ? "ROLLBACK" : "COMMIT",
ctask.isRestart() ? "RESTART" : ""));
}
}
// Offer a new message to the repair log. This will truncate
// the repairLog if the message includes a truncation hint.
public void deliver(VoltMessage msg) {
if (!m_isLeader && msg instanceof Iv2InitiateTaskMessage) {
final Iv2InitiateTaskMessage m = (Iv2InitiateTaskMessage) msg;
// We can't repair read only SP transactions. Just don't log them to the repair log.
if (m.isReadOnly()) {
return;
}
m_lastSpHandle = m.getSpHandle();
truncate(m.getTruncationHandle(), IS_SP);
m_logSP.add(new Item(IS_SP, m, m.getSpHandle(), m.getTxnId()));
} else if (msg instanceof FragmentTaskMessage) {
final FragmentTaskMessage m = (FragmentTaskMessage) msg;
// We can't repair read only SP transactions. Just don't log them to the repair log.
if (m.isReadOnly()) {
return;
}
truncate(m.getTruncationHandle(), IS_MP);
// only log the first fragment of a procedure (and handle 1st case)
if (m.getTxnId() > m_lastMpHandle || m_lastMpHandle == Long.MAX_VALUE) {
m_logMP.add(new Item(IS_MP, m, m.getSpHandle(), m.getTxnId()));
m_lastMpHandle = m.getTxnId();
m_lastSpHandle = m.getSpHandle();
}
} else if (msg instanceof CompleteTransactionMessage) {
// a CompleteTransactionMessage which indicates restart is not the end of the
// transaction. We don't want to log it in the repair log.
CompleteTransactionMessage ctm = (CompleteTransactionMessage) msg;
// We can't repair read only SP transactions. Just don't log them to the repair log.
// Restart transaction do not need to be repaired here, don't log them as well.
if (ctm.isReadOnly() || ctm.isRestart()) {
return;
}
truncate(ctm.getTruncationHandle(), IS_MP);
m_logMP.add(new Item(IS_MP, ctm, ctm.getSpHandle(), ctm.getTxnId()));
// Restore will send a complete transaction message with a lower mp transaction id because
// the restore transaction precedes the loading of the right mp transaction id from the
// snapshot
// Hence Math.max
m_lastMpHandle = Math.max(m_lastMpHandle, ctm.getTxnId());
m_lastSpHandle = ctm.getSpHandle();
} else if (msg instanceof DumpMessage) {
String who = CoreUtils.hsIdToString(m_HSId);
tmLog.warn(
"Repair log dump for site: "
+ who
+ ", isLeader: "
+ m_isLeader
+ ", "
+ who
+ ": lastSpHandle: "
+ m_lastSpHandle
+ ", lastMpHandle: "
+ m_lastMpHandle);
for (Iv2RepairLogResponseMessage il : contents(0l, false)) {
tmLog.warn("[Repair log contents]" + who + ": msg: " + il);
}
} else if (msg instanceof RepairLogTruncationMessage) {
final RepairLogTruncationMessage truncateMsg = (RepairLogTruncationMessage) msg;
truncate(truncateMsg.getHandle(), IS_SP);
}
}
