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  3. org.apache.zookeeper.txn.TxnHeader

Java 类org.apache.zookeeper.txn.TxnHeader 实例源码

项目：fuck_zookeeper    文件：FileTxnLog.java    
/**
 * get the last zxid that was logged in the transaction logs
 * @return the last zxid logged in the transaction logs
 */
public long getLastLoggedZxid() {
    File[] files = getLogFiles(logDir.listFiles(), 0);
    long maxLog=files.length>0?
            Util.getZxidFromName(files[files.length-1].getName(),"log"):-1;

    // if a log file is more recent we must scan it to find
    // the highest zxid
    long zxid = maxLog;
    TxnIterator itr = null;
    try {
        FileTxnLog txn = new FileTxnLog(logDir);
        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);
    } finally {
        close(itr);
    }
    return zxid;
}
项目：fuck_zookeeper    文件：ZooKeeperServer.java    
public ProcessTxnResult processTxn(TxnHeader hdr, Record txn) {
    ProcessTxnResult rc;
    int opCode = hdr.getType();
    long sessionId = hdr.getClientId();
    rc = getZKDatabase().processTxn(hdr, txn);
    if (opCode == OpCode.createSession) {
        if (txn instanceof CreateSessionTxn) {
            CreateSessionTxn cst = (CreateSessionTxn) txn;
            sessionTracker.addSession(sessionId, cst
                    .getTimeOut());
        } else {
            LOG.warn("*****>>>>> Got "
                    + txn.getClass() + " "
                    + txn.toString());
        }
    } else if (opCode == OpCode.closeSession) {
        sessionTracker.removeSession(sessionId);
    }
    return rc;
}
项目：fuck_zookeeper    文件：ZooKeeperServerMainTest.java    
private void addRequestToSyncProcessor() {
    long zxid = ZxidUtils.makeZxid(3, 7);
    TxnHeader hdr = new TxnHeader(1, 1, zxid, 1,
            ZooDefs.OpCode.setData);
    Record txn = new SetDataTxn("/foo" + zxid, new byte[0], 1);
    byte[] buf;
    try {
        buf = Util.marshallTxnEntry(hdr, txn);
    } catch (IOException e) {
        LOG.error("IOException while adding request to SyncRequestProcessor", e);
        Assert.fail("IOException while adding request to SyncRequestProcessor!");
        return;
    }
    NettyServerCnxnFactory factory = new NettyServerCnxnFactory();
    final MockNettyServerCnxn nettyCnxn = new MockNettyServerCnxn(null,
            this, factory);
    Request req = new Request(nettyCnxn, 1, 1, ZooDefs.OpCode.setData,
            ByteBuffer.wrap(buf), null);
    req.hdr = hdr;
    req.txn = txn;
    syncProcessor.processRequest(req);
}
项目：fuck_zookeeper    文件：LoadFromLogTest.java    
/**
 * Simulates ZOOKEEPER-1069 and verifies that flush() before padLogFile
 * fixes it.
 */
@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, 1);
    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");
    LOG.info("Received magic : " + header.getMagic() +
          " Expected : " + FileTxnLog.TXNLOG_MAGIC);
    Assert.assertTrue("Missing magic number ",
          header.getMagic() == FileTxnLog.TXNLOG_MAGIC);
}
项目：https-github.com-apache-zookeeper    文件：FileTxnLog.java    
/**
 * get the last zxid that was logged in the transaction logs
 * @return the last zxid logged in the transaction logs
 */
public long getLastLoggedZxid() {
    File[] files = getLogFiles(logDir.listFiles(), 0);
    long maxLog=files.length>0?
            Util.getZxidFromName(files[files.length-1].getName(),"log"):-1;

    // if a log file is more recent we must scan it to find
    // the highest zxid
    long zxid = maxLog;
    TxnIterator itr = null;
    try {
        FileTxnLog txn = new FileTxnLog(logDir);
        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);
    } finally {
        close(itr);
    }
    return zxid;
}
项目：https-github.com-apache-zookeeper    文件：FileTxnSnapLogTest.java    
@Test
public void testGetTxnLogSyncElapsedTime() throws IOException {
    File tmpDir = ClientBase.createEmptyTestDir();
    FileTxnSnapLog fileTxnSnapLog = new FileTxnSnapLog(new File(tmpDir, "data"),
            new File(tmpDir, "data_txnlog"));

    TxnHeader hdr = new TxnHeader(1, 1, 1, 1, ZooDefs.OpCode.setData);
    Record txn = new SetDataTxn("/foo", new byte[0], 1);
    Request req = new Request(0, 0, 0, hdr, txn, 0);

    try {
        fileTxnSnapLog.append(req);
        fileTxnSnapLog.commit();
        long syncElapsedTime = fileTxnSnapLog.getTxnLogElapsedSyncTime();
        Assert.assertNotEquals("Did not update syncElapsedTime!", -1L, syncElapsedTime);
    } finally {
        fileTxnSnapLog.close();
    }
}
项目：https-github.com-apache-zookeeper    文件：FileTxnSnapLogTest.java    
private void attemptAutoCreateDb(File dataDir, File snapDir, Map<Long, Integer> sessions,
                                 String priorAutocreateDbValue, String autoCreateValue,
                                 long expectedValue) throws IOException {
    sessions.clear();
    System.setProperty(FileTxnSnapLog.ZOOKEEPER_DB_AUTOCREATE, autoCreateValue);
    FileTxnSnapLog fileTxnSnapLog = new FileTxnSnapLog(dataDir, snapDir);

    try {
        long zxid = fileTxnSnapLog.restore(new DataTree(), sessions, new FileTxnSnapLog.PlayBackListener() {
            @Override
            public void onTxnLoaded(TxnHeader hdr, Record rec) {
                // empty by default
            }
        });
        Assert.assertEquals("unexpected zxid", expectedValue, zxid);
    } finally {
        if (priorAutocreateDbValue == null) {
            System.clearProperty(FileTxnSnapLog.ZOOKEEPER_DB_AUTOCREATE);
        } else {
            System.setProperty(FileTxnSnapLog.ZOOKEEPER_DB_AUTOCREATE, priorAutocreateDbValue);
        }
    }
}
项目：https-github.com-apache-zookeeper    文件：LoadFromLogTest.java    
/**
 * Simulates ZOOKEEPER-1069 and verifies that flush() before padLogFile
 * fixes it.
 */
@Test
public void testPad() throws Exception {
    File tmpDir = ClientBase.createTmpDir();
    FileTxnLog txnLog = new FileTxnLog(tmpDir);
    TxnHeader txnHeader = new TxnHeader(0xabcd, 0x123, 0x123,
          Time.currentElapsedTime(), OpCode.create);
    Record txn = new CreateTxn("/Test", new byte[0], null, false, 1);
    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");
    LOG.info("Received magic : " + header.getMagic() +
          " Expected : " + FileTxnLog.TXNLOG_MAGIC);
    Assert.assertTrue("Missing magic number ",
          header.getMagic() == FileTxnLog.TXNLOG_MAGIC);
}
项目：ZooKeeper    文件：FileTxnLog.java    
/**
 * get the last zxid that was logged in the transaction logs
 * @return the last zxid logged in the transaction logs
 */
public long getLastLoggedZxid() {
    File[] files = getLogFiles(logDir.listFiles(), 0);
    long maxLog=files.length>0?
            Util.getZxidFromName(files[files.length-1].getName(),"log"):-1;

    // if a log file is more recent we must scan it to find
    // the highest zxid
    long zxid = maxLog;
    TxnIterator itr = null;
    try {
        FileTxnLog txn = new FileTxnLog(logDir);
        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);
    } finally {
        close(itr);
    }
    return zxid;
}
项目：ZooKeeper    文件：ZooKeeperServer.java    
public ProcessTxnResult processTxn(TxnHeader hdr, Record txn) {
    ProcessTxnResult rc;
    int opCode = hdr.getType();
    long sessionId = hdr.getClientId();
    rc = getZKDatabase().processTxn(hdr, txn);
    if (opCode == OpCode.createSession) {
        if (txn instanceof CreateSessionTxn) {
            CreateSessionTxn cst = (CreateSessionTxn) txn;
            sessionTracker.addSession(sessionId, cst
                    .getTimeOut());
        } else {
            LOG.warn("*****>>>>> Got "
                    + txn.getClass() + " "
                    + txn.toString());
        }
    } else if (opCode == OpCode.closeSession) {
        sessionTracker.removeSession(sessionId);
    }
    return rc;
}
项目：ZooKeeper    文件：ZooKeeperServerMainTest.java    
private void addRequestToSyncProcessor() {
    long zxid = ZxidUtils.makeZxid(3, 7);
    TxnHeader hdr = new TxnHeader(1, 1, zxid, 1,
            ZooDefs.OpCode.setData);
    Record txn = new SetDataTxn("/foo" + zxid, new byte[0], 1);
    byte[] buf;
    try {
        buf = Util.marshallTxnEntry(hdr, txn);
    } catch (IOException e) {
        LOG.error("IOException while adding request to SyncRequestProcessor", e);
        Assert.fail("IOException while adding request to SyncRequestProcessor!");
        return;
    }
    NettyServerCnxnFactory factory = new NettyServerCnxnFactory();
    final MockNettyServerCnxn nettyCnxn = new MockNettyServerCnxn(null,
            this, factory);
    Request req = new Request(nettyCnxn, 1, 1, ZooDefs.OpCode.setData,
            ByteBuffer.wrap(buf), null);
    req.hdr = hdr;
    req.txn = txn;
    syncProcessor.processRequest(req);
}
项目：ZooKeeper    文件：LoadFromLogTest.java    
/**
 * Simulates ZOOKEEPER-1069 and verifies that flush() before padLogFile
 * fixes it.
 */
@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, 1);
    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");
    LOG.info("Received magic : " + header.getMagic() +
          " Expected : " + FileTxnLog.TXNLOG_MAGIC);
    Assert.assertTrue("Missing magic number ",
          header.getMagic() == FileTxnLog.TXNLOG_MAGIC);
}
项目：SecureKeeper    文件：LoadFromLogTest.java    
/**
 * Simulates ZOOKEEPER-1069 and verifies that flush() before padLogFile
 * fixes it.
 */
@Test
public void testPad() throws Exception {
    File tmpDir = ClientBase.createTmpDir();
    FileTxnLog txnLog = new FileTxnLog(tmpDir);
    TxnHeader txnHeader = new TxnHeader(0xabcd, 0x123, 0x123,
          Time.currentElapsedTime(), OpCode.create);
    Record txn = new CreateTxn("/Test", new byte[0], null, false, 1);
    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");
    LOG.info("Received magic : " + header.getMagic() +
          " Expected : " + FileTxnLog.TXNLOG_MAGIC);
    Assert.assertTrue("Missing magic number ",
          header.getMagic() == FileTxnLog.TXNLOG_MAGIC);
}
项目：StreamProcessingInfrastructure    文件：ZooKeeperServer.java    
public ProcessTxnResult processTxn(TxnHeader hdr, Record txn) {
    ProcessTxnResult rc;
    int opCode = hdr.getType();
    long sessionId = hdr.getClientId();
    rc = getZKDatabase().processTxn(hdr, txn);
    if (opCode == OpCode.createSession) {
        if (txn instanceof CreateSessionTxn) {
            CreateSessionTxn cst = (CreateSessionTxn) txn;
            sessionTracker.addSession(sessionId, cst
                    .getTimeOut());
        } else {
            LOG.warn("*****>>>>> Got "
                    + txn.getClass() + " "
                    + txn.toString());
        }
    } else if (opCode == OpCode.closeSession) {
        sessionTracker.removeSession(sessionId);
    }
    return rc;
}
项目：StreamProcessingInfrastructure    文件：ZooKeeperServerMainTest.java    
private void addRequestToSyncProcessor() {
    long zxid = ZxidUtils.makeZxid(3, 7);
    TxnHeader hdr = new TxnHeader(1, 1, zxid, 1,
            ZooDefs.OpCode.setData);
    Record txn = new SetDataTxn("/foo" + zxid, new byte[0], 1);
    byte[] buf;
    try {
        buf = Util.marshallTxnEntry(hdr, txn);
    } catch (IOException e) {
        LOG.error("IOException while adding request to SyncRequestProcessor", e);
        Assert.fail("IOException while adding request to SyncRequestProcessor!");
        return;
    }
    NettyServerCnxnFactory factory = new NettyServerCnxnFactory();
    final MockNettyServerCnxn nettyCnxn = new MockNettyServerCnxn(null,
            this, factory);
    Request req = new Request(nettyCnxn, 1, 1, ZooDefs.OpCode.setData,
            ByteBuffer.wrap(buf), null);
    req.hdr = hdr;
    req.txn = txn;
    syncProcessor.processRequest(req);
}
项目：StreamProcessingInfrastructure    文件：LoadFromLogTest.java    
/**
 * Simulates ZOOKEEPER-1069 and verifies that flush() before padLogFile
 * fixes it.
 */
@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, 1);
    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");
    LOG.info("Received magic : " + header.getMagic() +
          " Expected : " + FileTxnLog.TXNLOG_MAGIC);
    Assert.assertTrue("Missing magic number ",
          header.getMagic() == FileTxnLog.TXNLOG_MAGIC);
}
项目：exhibitor    文件：IndexBuilder.java    
private Document makeDocument(TxnHeader header, EntryTypes type, AtomicInteger count, AtomicLong from, AtomicLong to)
{
    count.incrementAndGet();
    if ( header.getTime() < from.get() )
    {
        from.set(header.getTime());
    }
    if ( header.getTime() > to.get() )
    {
        to.set(header.getTime());
    }

    NumericField dateField = new NumericField(FieldNames.DATE, Field.Store.YES, true);
    dateField.setLongValue(header.getTime());

    Document    document = new Document();
    document.add(new Field(FieldNames.TYPE, Integer.toString(type.getId()), Field.Store.YES, Field.Index.NOT_ANALYZED));
    document.add(dateField);
    return document;
}
项目：SecureKeeper    文件：FileTxnLog.java    
/**
 * get the last zxid that was logged in the transaction logs
 * @return the last zxid logged in the transaction logs
 */
public long getLastLoggedZxid() {
    File[] files = getLogFiles(logDir.listFiles(), 0);
    long maxLog=files.length>0?
            Util.getZxidFromName(files[files.length-1].getName(),"log"):-1;

    // if a log file is more recent we must scan it to find
    // the highest zxid
    long zxid = maxLog;
    TxnIterator itr = null;
    try {
        FileTxnLog txn = new FileTxnLog(logDir);
        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);
    } finally {
        close(itr);
    }
    return zxid;
}
项目：SecureKeeper    文件：LoadFromLogTest.java    
/**
 * Simulates ZOOKEEPER-1069 and verifies that flush() before padLogFile
 * fixes it.
 */
@Test
public void testPad() throws Exception {
    File tmpDir = ClientBase.createTmpDir();
    FileTxnLog txnLog = new FileTxnLog(tmpDir);
    TxnHeader txnHeader = new TxnHeader(0xabcd, 0x123, 0x123,
          Time.currentElapsedTime(), OpCode.create);
    Record txn = new CreateTxn("/Test", new byte[0], null, false, 1);
    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");
    LOG.info("Received magic : " + header.getMagic() +
          " Expected : " + FileTxnLog.TXNLOG_MAGIC);
    Assert.assertTrue("Missing magic number ",
          header.getMagic() == FileTxnLog.TXNLOG_MAGIC);
}
项目：zookeeper    文件：LoadFromLogTest.java    
/**
 * Simulates ZOOKEEPER-1069 and verifies that flush() before padLogFile
 * fixes it.
 */
@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, 1);
    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");
    LOG.info("Received magic : " + header.getMagic() +
          " Expected : " + FileTxnLog.TXNLOG_MAGIC);
    Assert.assertTrue("Missing magic number ",
          header.getMagic() == FileTxnLog.TXNLOG_MAGIC);
}
项目：bigstreams    文件：LoadFromLogTest.java    
/**
 * Simulates ZOOKEEPER-1069 and verifies that flush() before padLogFile
 * fixes it.
 */
@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, 1);
    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");
    LOG.info("Received magic : " + header.getMagic() +
          " Expected : " + FileTxnLog.TXNLOG_MAGIC);
    Assert.assertTrue("Missing magic number ",
          header.getMagic() == FileTxnLog.TXNLOG_MAGIC);
}
项目：SecureKeeper    文件：FileTxnLog.java    
/**
 * get the last zxid that was logged in the transaction logs
 * @return the last zxid logged in the transaction logs
 */
public long getLastLoggedZxid() {
    File[] files = getLogFiles(logDir.listFiles(), 0);
    long maxLog=files.length>0?
            Util.getZxidFromName(files[files.length-1].getName(),"log"):-1;

    // if a log file is more recent we must scan it to find
    // the highest zxid
    long zxid = maxLog;
    TxnIterator itr = null;
    try {
        FileTxnLog txn = new FileTxnLog(logDir);
        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);
    } finally {
        close(itr);
    }
    return zxid;
}
项目：bigstreams    文件：LoadFromLogTest.java    
/**
 * Simulates ZOOKEEPER-1069 and verifies that flush() before padLogFile
 * fixes it.
 */
@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, 1);
    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");
    LOG.info("Expected header :" + header.getMagic() +
          " Received : " + FileTxnLog.TXNLOG_MAGIC);
    Assert.assertTrue("Missing magic number ",
          header.getMagic() == FileTxnLog.TXNLOG_MAGIC);
}
项目：zookeeper-src-learning    文件：ZooKeeperServer.java    
public ProcessTxnResult processTxn(TxnHeader hdr, Record txn) {
    ProcessTxnResult rc;
    int opCode = hdr.getType();
    long sessionId = hdr.getClientId();
    rc = getZKDatabase().processTxn(hdr, txn);
    if (opCode == OpCode.createSession) {
        if (txn instanceof CreateSessionTxn) {
            CreateSessionTxn cst = (CreateSessionTxn) txn;
            sessionTracker.addSession(sessionId, cst
                    .getTimeOut());
        } else {
            LOG.warn("*****>>>>> Got "
                    + txn.getClass() + " "
                    + txn.toString());
        }
    } else if (opCode == OpCode.closeSession) {
        sessionTracker.removeSession(sessionId);
    }
    return rc;
}
项目：fuck_zookeeper    文件：FollowerZooKeeperServer.java    
public void logRequest(TxnHeader hdr, Record txn) {
    Request request = new Request(null, hdr.getClientId(), hdr.getCxid(),
            hdr.getType(), null, null);
    request.hdr = hdr;
    request.txn = txn;
    request.zxid = hdr.getZxid();
    if ((request.zxid & 0xffffffffL) != 0) {
        pendingTxns.add(request);
    }
    syncProcessor.processRequest(request);
}
项目：fuck_zookeeper    文件：Observer.java    
/**
 * Controls the response of an observer to the receipt of a quorumpacket
 * @param qp
 * @throws IOException
 */
protected void processPacket(QuorumPacket qp) throws IOException{
    switch (qp.getType()) {
    case Leader.PING:
        ping(qp);
        break;
    case Leader.PROPOSAL:
        LOG.warn("Ignoring proposal");
        break;
    case Leader.COMMIT:
        LOG.warn("Ignoring commit");            
        break;            
    case Leader.UPTODATE:
        LOG.error("Received an UPTODATE message after Observer started");
        break;
    case Leader.REVALIDATE:
        revalidate(qp);
        break;
    case Leader.SYNC:
        ((ObserverZooKeeperServer)zk).sync();
        break;
    case Leader.INFORM:            
        TxnHeader hdr = new TxnHeader();
        Record txn = SerializeUtils.deserializeTxn(qp.getData(), 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;
    }
}
项目：fuck_zookeeper    文件：Follower.java    
/**
 * Examine the packet received in qp and dispatch based on its contents.
 * @param qp
 * @throws IOException
 */
protected void processPacket(QuorumPacket qp) throws IOException{
    switch (qp.getType()) {
    case Leader.PING:            
        ping(qp);            
        break;
    case Leader.PROPOSAL:            
        TxnHeader hdr = new TxnHeader();
        Record txn = SerializeUtils.deserializeTxn(qp.getData(), 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;
    case Leader.UPTODATE:
        LOG.error("Received an UPTODATE message after Follower started");
        break;
    case Leader.REVALIDATE:
        revalidate(qp);
        break;
    case Leader.SYNC:
        fzk.sync();
        break;
    }
}
项目：fuck_zookeeper    文件：Util.java    
/**
 * Serializes transaction header and transaction data into a byte buffer.
 *  
 * @param hdr transaction header
 * @param txn transaction data
 * @return serialized transaction record
 * @throws IOException
 */
public static byte[] marshallTxnEntry(TxnHeader hdr, Record txn)
        throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    OutputArchive boa = BinaryOutputArchive.getArchive(baos);

    hdr.serialize(boa, "hdr");
    if (txn != null) {
        txn.serialize(boa, "txn");
    }
    return baos.toByteArray();
}
项目：fuck_zookeeper    文件：Zab1_0Test.java    
@Test
public void testInitialAcceptedCurrent() throws Exception {
    File tmpDir = File.createTempFile("test", ".dir", testData);
    tmpDir.delete();
    tmpDir.mkdir();
    try {
        FileTxnSnapLog logFactory = new FileTxnSnapLog(tmpDir, tmpDir);
        File version2 = new File(tmpDir, "version-2");
        version2.mkdir();
        long zxid = ZxidUtils.makeZxid(3, 3);

        TxnHeader hdr = new TxnHeader(1, 1, zxid, 1, ZooDefs.OpCode.error);
        ErrorTxn txn = new ErrorTxn(1);
        byte[] buf = Util.marshallTxnEntry(hdr, txn);
        Request req = new Request(null, 1, 1, ZooDefs.OpCode.error,
                ByteBuffer.wrap(buf), null);
        req.hdr = hdr;
        req.txn = txn;
        logFactory.append(req);
        logFactory.commit();
        ZKDatabase zkDb = new ZKDatabase(logFactory);
        QuorumPeer peer = new QuorumPeer();
        peer.setZKDatabase(zkDb);
        peer.setTxnFactory(logFactory);
        peer.getLastLoggedZxid();
        Assert.assertEquals(3, peer.getAcceptedEpoch());
        Assert.assertEquals(3, peer.getCurrentEpoch());
        Assert.assertEquals(3, Integer
                .parseInt(readContentsOfFile(new File(version2,
                        QuorumPeer.CURRENT_EPOCH_FILENAME))));
        Assert.assertEquals(3, Integer
                .parseInt(readContentsOfFile(new File(version2,
                        QuorumPeer.ACCEPTED_EPOCH_FILENAME))));
    } finally {
        recursiveDelete(tmpDir);
    }
}
项目：fuck_zookeeper    文件：TruncateTest.java    
@Test
public void testTruncationStreamReset() throws Exception {
    File tmpdir = ClientBase.createTmpDir();
    FileTxnSnapLog snaplog = new FileTxnSnapLog(tmpdir, tmpdir);
    ZKDatabase zkdb = new ZKDatabase(snaplog);

    for (int i = 1; i <= 100; i++) {
        append(zkdb, i);
    }

    zkdb.truncateLog(1);

    append(zkdb, 200);

    zkdb.close();

    // verify that the truncation and subsequent append were processed
    // correctly
    FileTxnLog txnlog = new FileTxnLog(new File(tmpdir, "version-2"));
    TxnIterator iter = txnlog.read(1);

    TxnHeader hdr = iter.getHeader();
    Record txn = iter.getTxn();
    Assert.assertEquals(1, hdr.getZxid());
    Assert.assertTrue(txn instanceof SetDataTxn);

    iter.next();

    hdr = iter.getHeader();
    txn = iter.getTxn();
    Assert.assertEquals(200, hdr.getZxid());
    Assert.assertTrue(txn instanceof SetDataTxn);
    iter.close();
    ClientBase.recursiveDelete(tmpdir);
}
项目：fuck_zookeeper    文件：TruncateTest.java    
private void append(ZKDatabase zkdb, int i) throws IOException {
    TxnHeader hdr = new TxnHeader(1, 1, i, 1, ZooDefs.OpCode.setData);
    Record txn = new SetDataTxn("/foo" + i, new byte[0], 1);
    Request req = new Request(null, 0, 0, 0, null, null);
    req.hdr = hdr;
    req.txn = txn;

    zkdb.append(req);
    zkdb.commit();
}
项目：https-github.com-apache-zookeeper    文件：FollowerZooKeeperServer.java    
public void logRequest(TxnHeader hdr, Record txn) {
    Request request = new Request(hdr.getClientId(), hdr.getCxid(), hdr.getType(), hdr, txn, hdr.getZxid());
    if ((request.zxid & 0xffffffffL) != 0) {
        pendingTxns.add(request);
    }
    syncProcessor.processRequest(request);
}
项目：https-github.com-apache-zookeeper    文件：Util.java    
/**
 * Serializes transaction header and transaction data into a byte buffer.
 *  
 * @param hdr transaction header
 * @param txn transaction data
 * @return serialized transaction record
 * @throws IOException
 */
public static byte[] marshallTxnEntry(TxnHeader hdr, Record txn)
        throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    OutputArchive boa = BinaryOutputArchive.getArchive(baos);

    hdr.serialize(boa, "hdr");
    if (txn != null) {
        txn.serialize(boa, "txn");
    }
    return baos.toByteArray();
}
项目：https-github.com-apache-zookeeper    文件：Request.java    
public Request(long sessionId, int xid, int type, TxnHeader hdr, Record txn, long zxid) {
    this.sessionId = sessionId;
    this.cxid = xid;
    this.type = type;
    this.hdr = hdr;
    this.txn = txn;
    this.zxid = zxid;
    this.request = null;
    this.cnxn = null;
    this.authInfo = null;
}
项目：https-github.com-apache-zookeeper    文件：TxnLogProposalIterator.java    
/**
 * Proposal returned by this iterator has request part set to null, since
 * it is not used for follower sync-up.
 */
@Override
public Proposal next() {

    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    BinaryOutputArchive boa = BinaryOutputArchive.getArchive(baos);
    Proposal p = new Proposal();
    try {
        TxnHeader hdr = itr.getHeader();
        Record txn = itr.getTxn();
        hdr.serialize(boa, "hdr");
        if (txn != null) {
            txn.serialize(boa, "txn");
        }
        baos.close();

        QuorumPacket pp = new QuorumPacket(Leader.PROPOSAL, itr.getHeader()
                .getZxid(), baos.toByteArray(), null);
        p.packet = pp;
        p.request = null;

        // This is the only place that can throw IO exception
        hasNext = itr.next();

    } catch (IOException e) {
        LOG.error("Unable to read txnlog from disk", e);
        hasNext = false;
    }

    return p;
}
项目：https-github.com-apache-zookeeper    文件：ZKDatabase.java    
/**
 * load the database from the disk onto memory and also add
 * the transactions to the committedlog in memory.
 * @return the last valid zxid on disk
 * @throws IOException
 */
public long loadDataBase() throws IOException {
    PlayBackListener listener=new PlayBackListener(){
        public void onTxnLoaded(TxnHeader hdr,Record txn){
            Request r = new Request(0, hdr.getCxid(),hdr.getType(), hdr, txn, hdr.getZxid());
            addCommittedProposal(r);
        }
    };

    long zxid = snapLog.restore(dataTree,sessionsWithTimeouts,listener);
    initialized = true;
    return zxid;
}
项目：https-github.com-apache-zookeeper    文件：Zab1_0Test.java    
@Test
public void testInitialAcceptedCurrent() throws Exception {
    File tmpDir = File.createTempFile("test", ".dir", testData);
    tmpDir.delete();
    tmpDir.mkdir();
    try {
        FileTxnSnapLog logFactory = new FileTxnSnapLog(tmpDir, tmpDir);
        File version2 = new File(tmpDir, "version-2");
        version2.mkdir();
        logFactory.save(new DataTree(), new ConcurrentHashMap<Long, Integer>(), false);
        long zxid = ZxidUtils.makeZxid(3, 3);
        logFactory.append(new Request(1, 1, ZooDefs.OpCode.error,
                new TxnHeader(1, 1, zxid, 1, ZooDefs.OpCode.error),
                new ErrorTxn(1), zxid));
        logFactory.commit();
        ZKDatabase zkDb = new ZKDatabase(logFactory);
        QuorumPeer peer = new QuorumPeer();
        peer.setZKDatabase(zkDb);
        peer.setTxnFactory(logFactory);
        peer.getLastLoggedZxid();
        Assert.assertEquals(3, peer.getAcceptedEpoch());
        Assert.assertEquals(3, peer.getCurrentEpoch());
        Assert.assertEquals(3, Integer
                .parseInt(readContentsOfFile(new File(version2,
                        QuorumPeer.CURRENT_EPOCH_FILENAME))));
        Assert.assertEquals(3, Integer
                .parseInt(readContentsOfFile(new File(version2,
                        QuorumPeer.ACCEPTED_EPOCH_FILENAME))));
    } finally {
        TestUtils.deleteFileRecursively(tmpDir);
    }
}
项目：https-github.com-apache-zookeeper    文件：ZooKeeperServerBeanTest.java    
@Test
public void testTxnLogElapsedSyncTime() throws IOException {

    File tmpDir = ClientBase.createEmptyTestDir();
    FileTxnSnapLog fileTxnSnapLog = new FileTxnSnapLog(new File(tmpDir, "data"),
            new File(tmpDir, "data_txnlog"));

    ZooKeeperServer zks = new ZooKeeperServer();
    zks.setTxnLogFactory(fileTxnSnapLog);

    ZooKeeperServerBean serverBean = new ZooKeeperServerBean(zks);
    long elapsedTime = serverBean.getTxnLogElapsedSyncTime();
    assertEquals(-1, elapsedTime);

    TxnHeader hdr = new TxnHeader(1, 1, 1, 1, ZooDefs.OpCode.setData);
    Record txn = new SetDataTxn("/foo", new byte[0], 1);
    Request req = new Request(0, 0, 0, hdr, txn, 0);

    try {

        zks.getTxnLogFactory().append(req);
        zks.getTxnLogFactory().commit();
        elapsedTime = serverBean.getTxnLogElapsedSyncTime();

        assertNotEquals(-1, elapsedTime);

        assertEquals(elapsedTime, serverBean.getTxnLogElapsedSyncTime());

    } finally {
        fileTxnSnapLog.close();
    }
}
项目：https-github.com-apache-zookeeper    文件：TruncateTest.java    
@Test
public void testTruncationStreamReset() throws Exception {
    File tmpdir = ClientBase.createTmpDir();
    FileTxnSnapLog snaplog = new FileTxnSnapLog(tmpdir, tmpdir);
    ZKDatabase zkdb = new ZKDatabase(snaplog);
    // make sure to snapshot, so that we have something there when
    // truncateLog reloads the db
    snaplog.save(zkdb.getDataTree(), zkdb.getSessionWithTimeOuts(), false);

    for (int i = 1; i <= 100; i++) {
        append(zkdb, i);
    }

    zkdb.truncateLog(1);

    append(zkdb, 200);

    zkdb.close();

    // verify that the truncation and subsequent append were processed
    // correctly
    FileTxnLog txnlog = new FileTxnLog(new File(tmpdir, "version-2"));
    TxnIterator iter = txnlog.read(1);

    TxnHeader hdr = iter.getHeader();
    Record txn = iter.getTxn();
    Assert.assertEquals(1, hdr.getZxid());
    Assert.assertTrue(txn instanceof SetDataTxn);

    iter.next();

    hdr = iter.getHeader();
    txn = iter.getTxn();
    Assert.assertEquals(200, hdr.getZxid());
    Assert.assertTrue(txn instanceof SetDataTxn);
    iter.close();
    ClientBase.recursiveDelete(tmpdir);
}
项目：https-github.com-apache-zookeeper    文件：TruncateTest.java    
private void append(ZKDatabase zkdb, int i) throws IOException {
    TxnHeader hdr = new TxnHeader(1, 1, i, 1, ZooDefs.OpCode.setData);
    Record txn = new SetDataTxn("/foo" + i, new byte[0], 1);
    Request req = new Request(0, 0, 0, hdr, txn, 0);

    zkdb.append(req);
    zkdb.commit();
}