/**
* @param args
* @throws InterruptedException
* @throws IOException
*/
public static void main(String[] args) throws IOException, InterruptedException {
if (args.length < 1 || !(args[0].equals("client") || args[0].equals("bookie"))) {
usage();
return;
}
String newArgs[] = new String[args.length - 1];
System.arraycopy(args, 1, newArgs, 0, newArgs.length);
if (args[0].equals("bookie")) {
BookieServer.main(newArgs);
} else {
BookieClient.main(newArgs);
}
}
/**
* Determines the last entry written to a ledger not closed properly due to a client crash
*
* @param passwd
*/
boolean recover(byte[] passwd)
throws IOException, InterruptedException, BKException, KeeperException {
/*
* Create BookieClient objects and send a request to each one.
*/
for (InetSocketAddress s : bookies) {
LOG.info(s);
BookieClient client = new BookieClient(s, 3000);
clients.add(client);
client.readEntry(lId, -1, this, null);
}
/*
* Wait until I have received enough responses
*/
synchronized (counter) {
LOG.info("Counter: " + counter.get() + ", " + minimum + ", " + qMode);
if (counter.get() < minimum) {
LOG.info("Waiting...");
counter.wait(5000);
}
}
/*
* Obtain largest hint
*/
LedgerHandle lh = new LedgerHandle(self, lId, 0, qSize, qMode, passwd);
for (InetSocketAddress addr : bookies) {
lh.addBookieForReading(addr);
}
boolean notLegitimate = true;
long readCounter = 0;
while (notLegitimate) {
readCounter = getNextHint();
if (readCounter > -1) {
lh.setLast(readCounter);
boolean hasMore = true;
while (hasMore) {
hasMore = false;
LOG.debug("Recovering: " + lh.getLast());
LedgerSequence ls = lh.readEntries(lh.getLast(), lh.getLast());
LOG.debug("Received entry for: " + lh.getLast());
byte[] le = ls.nextElement().getEntry();
if (le != null) {
if (notLegitimate) notLegitimate = false;
lh.addEntry(le);
hasMore = true;
}
}
} else break;
}
/*
* Write counter as the last entry of ledger
*/
if (!notLegitimate) {
lh.setAddConfirmed(readCounter);
lh.close();
return true;
} else {
lh.setLast(0);
lh.close();
return false;
}
}
