Package org.apache.zookeeper.txn

Examples of org.apache.zookeeper.txn.TxnHeader

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            break;
        case Leader.PROPOSAL:
            type = "PROPOSAL";
            BinaryInputArchive ia = BinaryInputArchive
                    .getArchive(new ByteArrayInputStream(p.getData()));
            TxnHeader hdr = new TxnHeader();
            try {
                txn = SerializeUtils.deserializeTxn(ia, hdr);
                // mess = "transaction: " + txn.toString();
            } catch (IOException e) {
                LOG.warn("Unexpected exception",e);
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            PlayBackListener listener) throws IOException {
        snapLog.deserialize(dt, sessions);
        FileTxnLog txnLog = new FileTxnLog(dataDir);
        TxnIterator itr = txnLog.read(dt.lastProcessedZxid+1);
        long highestZxid = dt.lastProcessedZxid;
        TxnHeader hdr;
        while (true) {
            // iterator points to
            // the first valid txn when initialized
            hdr = itr.getHeader();
            if (hdr == null) {
                //empty logs
                return dt.lastProcessedZxid;
            }
            if (hdr.getZxid() < highestZxid && highestZxid != 0) {
                LOG.error(highestZxid + "(higestZxid) > "
                        + hdr.getZxid() + "(next log) for type "
                        + hdr.getType());
            } else {
                highestZxid = hdr.getZxid();
            }
            processTransaction(hdr,dt,sessions, itr.getTxn());
            if (!itr.next())
                break;
        }
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            break;
        case Leader.SYNC:
            ((ObserverZooKeeperServer)zk).sync();
            break;
        case Leader.INFORM:           
            TxnHeader hdr = new TxnHeader();
            BinaryInputArchive ia = BinaryInputArchive
                    .getArchive(new ByteArrayInputStream(qp.getData()));
            Record txn = SerializeUtils.deserializeTxn(ia, hdr);
            Request request = new Request (null, hdr.getClientId(),
                                           hdr.getCxid(),
                                           hdr.getType(), null, null);
            request.txn = txn;
            request.hdr = hdr;
            ObserverZooKeeperServer obs = (ObserverZooKeeperServer)zk;
            obs.commitRequest(request);           
            break;
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        for (String s : child) {
            childStr += s + " ";
        }
 
        Record txn = null;
        TxnHeader txnHeader = null;
        if (type == OpCode.delete) {
            txn = new DeleteTxn(path);
            txnHeader = new TxnHeader(0xabcd, 0x123, prevPzxid + 1,
                System.currentTimeMillis(), OpCode.delete);
        } else if (type == OpCode.create) {
            txnHeader = new TxnHeader(0xabcd, 0x123, prevPzxid + 1,
                    System.currentTimeMillis(), OpCode.create);
            txn = new CreateTxn(path, new byte[0], null, false);
        }
        logFile.processTransaction(txnHeader, dt, null, txn);
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     */
    @Test
    public void testPad() throws Exception {
        File tmpDir = ClientBase.createTmpDir();
        FileTxnLog txnLog = new FileTxnLog(tmpDir);
        TxnHeader txnHeader = new TxnHeader(0xabcd, 0x123, 0x123,
              System.currentTimeMillis(), OpCode.create);
        Record txn = new CreateTxn("/Test", new byte[0], null, false);
        txnLog.append(txnHeader, txn);
        FileInputStream in = new FileInputStream(tmpDir.getPath() + "/log." +
              Long.toHexString(txnHeader.getZxid()));
        BinaryInputArchive ia  = BinaryInputArchive.getArchive(in);
        FileHeader header = new FileHeader();
        header.deserialize(ia, "fileheader");
        Assert.assertTrue("Missing magic number ",
              header.getMagic() == FileTxnLog.TXNLOG_MAGIC);
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                throw new IOException("CRC doesn't match " + crcValue +
                        " vs " + crc.getValue());
            }
            InputArchive iab = BinaryInputArchive
                                .getArchive(new ByteArrayInputStream(bytes));
            TxnHeader hdr = new TxnHeader();
            SerializeUtils.deserializeTxn(iab, hdr);
            System.out.println(DateFormat.getDateTimeInstance(DateFormat.SHORT,
                    DateFormat.LONG).format(new Date(hdr.getTime()))
                    + " session 0x"
                    + Long.toHexString(hdr.getClientId())
                    + " cxid 0x"
                    + Long.toHexString(hdr.getCxid())
                    + " zxid 0x"
                    + Long.toHexString(hdr.getZxid())
                    + " " + TraceFormatter.op2String(hdr.getType()));
            if (logStream.readByte("EOR") != 'B') {
                LOG.error("Last transaction was partial.");
                throw new EOFException("Last transaction was partial.");
            }
            count++;
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        switch (qp.getType()) {
        case Leader.PING:           
            ping(qp);           
            break;
        case Leader.PROPOSAL:           
            TxnHeader hdr = new TxnHeader();
            BinaryInputArchive ia = BinaryInputArchive
            .getArchive(new ByteArrayInputStream(qp.getData()));
            Record txn = SerializeUtils.deserializeTxn(ia, hdr);
            if (hdr.getZxid() != lastQueued + 1) {
                LOG.warn("Got zxid 0x"
                        + Long.toHexString(hdr.getZxid())
                        + " expected 0x"
                        + Long.toHexString(lastQueued + 1));
            }
            lastQueued = hdr.getZxid();
            fzk.logRequest(hdr, txn);
            break;
        case Leader.COMMIT:
            fzk.commit(qp.getZxid());
            break;
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            while (self.isRunning()) {
                readPacket(qp);
                switch(qp.getType()) {
                case Leader.PROPOSAL:
                    PacketInFlight pif = new PacketInFlight();
                    pif.hdr = new TxnHeader();
                    BinaryInputArchive ia = BinaryInputArchive
                            .getArchive(new ByteArrayInputStream(qp.getData()));
                    pif.rec     = SerializeUtils.deserializeTxn(ia, pif.hdr);
                    if (pif.hdr.    getZxid() != lastQueued + 1) {
                    LOG.warn("Got zxid 0x"
                            + Long.toHexString(pif.hdr.getZxid())
                            + " expected 0x"
                            + Long.toHexString(lastQueued + 1));
                    }
                    lastQueued = pif.hdr.getZxid();
                    packetsNotCommitted.add(pif);
                    break;
                case Leader.COMMIT:
                    pif = packetsNotCommitted.peekFirst();
                    if (pif.hdr.getZxid() != qp.getZxid()) {
                        LOG.warn("Committing " + qp.getZxid() + ", but next proposal is " + pif.hdr.getZxid());
                    } else {
                        zk.getZKDatabase().processTxn(pif.hdr, pif.rec);
                        packetsNotCommitted.remove();
                    }
                    break;
                case Leader.INFORM:
                    TxnHeader hdr = new TxnHeader();
                    ia = BinaryInputArchive
                            .getArchive(new ByteArrayInputStream(qp.getData()));
                    Record txn = SerializeUtils.deserializeTxn(ia, hdr);
                    zk.getZKDatabase().processTxn(hdr, txn);
                    break;
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            PlayBackListener listener) throws IOException {
        snapLog.deserialize(dt, sessions);
        FileTxnLog txnLog = new FileTxnLog(dataDir);
        TxnIterator itr = txnLog.read(dt.lastProcessedZxid+1);
        long highestZxid = dt.lastProcessedZxid;
        TxnHeader hdr;
        while (true) {
            // iterator points to
            // the first valid txn when initialized
            hdr = itr.getHeader();
            if (hdr == null) {
                //empty logs
                return dt.lastProcessedZxid;
            }
            if (hdr.getZxid() < highestZxid && highestZxid != 0) {
                LOG.error(highestZxid + "(higestZxid) > "
                        + hdr.getZxid() + "(next log) for type "
                        + hdr.getType());
            } else {
                highestZxid = hdr.getZxid();
            }
            try {
              processTransaction(hdr,dt,sessions, itr.getTxn());
            } catch(KeeperException.NoNodeException e) {
              throw new IOException("Failed to process transaction type: " +
                  hdr.getType() + " error: " + e.getMessage());
            }
            if (!itr.next())
                break;
        }
        return highestZxid;
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            FileTxnLog txn = new FileTxnLog(logDir);
            TxnIterator itr = txn.read(maxLog);
            while (true) {
                if(!itr.next())
                    break;
                TxnHeader hdr = itr.getHeader();
                zxid = hdr.getZxid();
            }
        } catch (IOException e) {
            LOG.warn("Unexpected exception", e);
        }
        return zxid;
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