Examples with DataInputBuffer org.apache.hadoop.io.DataInputBuffer used on opensource projects

Example 36 with DataInputBuffer

use of org.apache.hadoop.io.DataInputBuffer in project hbase by apache.

the class TestSerialization method testRegionInfo.

/**
   * Test RegionInfo serialization
   * @throws Exception
   */
@Test
public void testRegionInfo() throws Exception {
    HRegionInfo hri = createRandomRegion("testRegionInfo");
    //test toByteArray()
    byte[] hrib = hri.toByteArray();
    HRegionInfo deserializedHri = HRegionInfo.parseFrom(hrib);
    assertEquals(hri.getEncodedName(), deserializedHri.getEncodedName());
    assertEquals(hri, deserializedHri);
    //test toDelimitedByteArray()
    hrib = hri.toDelimitedByteArray();
    DataInputBuffer buf = new DataInputBuffer();
    try {
        buf.reset(hrib, hrib.length);
        deserializedHri = HRegionInfo.parseFrom(buf);
        assertEquals(hri.getEncodedName(), deserializedHri.getEncodedName());
        assertEquals(hri, deserializedHri);
    } finally {
        buf.close();
    }
}

Example 37 with DataInputBuffer

use of org.apache.hadoop.io.DataInputBuffer in project hadoop by apache.

the class TestClientRMTokens method testDelegationToken.

@Test
public void testDelegationToken() throws IOException, InterruptedException {
    final YarnConfiguration conf = new YarnConfiguration();
    conf.set(YarnConfiguration.RM_PRINCIPAL, "testuser/localhost@apache.org");
    conf.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_AUTHENTICATION, "kerberos");
    UserGroupInformation.setConfiguration(conf);
    ResourceScheduler scheduler = createMockScheduler(conf);
    long initialInterval = 10000l;
    long maxLifetime = 20000l;
    long renewInterval = 10000l;
    RMDelegationTokenSecretManager rmDtSecretManager = createRMDelegationTokenSecretManager(initialInterval, maxLifetime, renewInterval);
    rmDtSecretManager.startThreads();
    LOG.info("Creating DelegationTokenSecretManager with initialInterval: " + initialInterval + ", maxLifetime: " + maxLifetime + ", renewInterval: " + renewInterval);
    final ClientRMService clientRMService = new ClientRMServiceForTest(conf, scheduler, rmDtSecretManager);
    clientRMService.init(conf);
    clientRMService.start();
    ApplicationClientProtocol clientRMWithDT = null;
    try {
        // Create a user for the renewr and fake the authentication-method
        UserGroupInformation loggedInUser = UserGroupInformation.createRemoteUser("testrenewer@APACHE.ORG");
        Assert.assertEquals("testrenewer", loggedInUser.getShortUserName());
        // Default realm is APACHE.ORG
        loggedInUser.setAuthenticationMethod(AuthenticationMethod.KERBEROS);
        org.apache.hadoop.yarn.api.records.Token token = getDelegationToken(loggedInUser, clientRMService, loggedInUser.getShortUserName());
        long tokenFetchTime = System.currentTimeMillis();
        LOG.info("Got delegation token at: " + tokenFetchTime);
        // Now try talking to RMService using the delegation token
        clientRMWithDT = getClientRMProtocolWithDT(token, clientRMService.getBindAddress(), "loginuser1", conf);
        GetNewApplicationRequest request = Records.newRecord(GetNewApplicationRequest.class);
        try {
            clientRMWithDT.getNewApplication(request);
        } catch (IOException e) {
            fail("Unexpected exception" + e);
        } catch (YarnException e) {
            fail("Unexpected exception" + e);
        }
        // Renew after 50% of token age.
        while (System.currentTimeMillis() < tokenFetchTime + initialInterval / 2) {
            Thread.sleep(500l);
        }
        long nextExpTime = renewDelegationToken(loggedInUser, clientRMService, token);
        long renewalTime = System.currentTimeMillis();
        LOG.info("Renewed token at: " + renewalTime + ", NextExpiryTime: " + nextExpTime);
        // Wait for first expiry, but before renewed expiry.
        while (System.currentTimeMillis() > tokenFetchTime + initialInterval && System.currentTimeMillis() < nextExpTime) {
            Thread.sleep(500l);
        }
        Thread.sleep(50l);
        // Valid token because of renewal.
        try {
            clientRMWithDT.getNewApplication(request);
        } catch (IOException e) {
            fail("Unexpected exception" + e);
        } catch (YarnException e) {
            fail("Unexpected exception" + e);
        }
        // Wait for expiry.
        while (System.currentTimeMillis() < renewalTime + renewInterval) {
            Thread.sleep(500l);
        }
        Thread.sleep(50l);
        LOG.info("At time: " + System.currentTimeMillis() + ", token should be invalid");
        // Token should have expired.      
        try {
            clientRMWithDT.getNewApplication(request);
            fail("Should not have succeeded with an expired token");
        } catch (Exception e) {
            assertEquals(InvalidToken.class.getName(), e.getClass().getName());
            assertTrue(e.getMessage().contains("is expired"));
        }
        // Stop the existing proxy, start another.
        if (clientRMWithDT != null) {
            RPC.stopProxy(clientRMWithDT);
            clientRMWithDT = null;
        }
        token = getDelegationToken(loggedInUser, clientRMService, loggedInUser.getShortUserName());
        tokenFetchTime = System.currentTimeMillis();
        LOG.info("Got delegation token at: " + tokenFetchTime);
        // Now try talking to RMService using the delegation token
        clientRMWithDT = getClientRMProtocolWithDT(token, clientRMService.getBindAddress(), "loginuser2", conf);
        request = Records.newRecord(GetNewApplicationRequest.class);
        try {
            clientRMWithDT.getNewApplication(request);
        } catch (IOException e) {
            fail("Unexpected exception" + e);
        } catch (YarnException e) {
            fail("Unexpected exception" + e);
        }
        cancelDelegationToken(loggedInUser, clientRMService, token);
        if (clientRMWithDT != null) {
            RPC.stopProxy(clientRMWithDT);
            clientRMWithDT = null;
        }
        // Creating a new connection.
        clientRMWithDT = getClientRMProtocolWithDT(token, clientRMService.getBindAddress(), "loginuser2", conf);
        LOG.info("Cancelled delegation token at: " + System.currentTimeMillis());
        // Verify cancellation worked.
        try {
            clientRMWithDT.getNewApplication(request);
            fail("Should not have succeeded with a cancelled delegation token");
        } catch (IOException e) {
        } catch (YarnException e) {
        }
        // Stop the existing proxy, start another.
        if (clientRMWithDT != null) {
            RPC.stopProxy(clientRMWithDT);
            clientRMWithDT = null;
        }
        token = getDelegationToken(loggedInUser, clientRMService, loggedInUser.getShortUserName());
        byte[] tokenIdentifierContent = token.getIdentifier().array();
        RMDelegationTokenIdentifier tokenIdentifier = new RMDelegationTokenIdentifier();
        DataInputBuffer dib = new DataInputBuffer();
        dib.reset(tokenIdentifierContent, tokenIdentifierContent.length);
        tokenIdentifier.readFields(dib);
        // Construct new version RMDelegationTokenIdentifier with additional field
        RMDelegationTokenIdentifierForTest newVersionTokenIdentifier = new RMDelegationTokenIdentifierForTest(tokenIdentifier, "message");
        Token<RMDelegationTokenIdentifier> newRMDTtoken = new Token<RMDelegationTokenIdentifier>(newVersionTokenIdentifier, rmDtSecretManager);
        org.apache.hadoop.yarn.api.records.Token newToken = BuilderUtils.newDelegationToken(newRMDTtoken.getIdentifier(), newRMDTtoken.getKind().toString(), newRMDTtoken.getPassword(), newRMDTtoken.getService().toString());
        // Now try talking to RMService using the new version delegation token
        clientRMWithDT = getClientRMProtocolWithDT(newToken, clientRMService.getBindAddress(), "loginuser3", conf);
        request = Records.newRecord(GetNewApplicationRequest.class);
        try {
            clientRMWithDT.getNewApplication(request);
        } catch (IOException e) {
            fail("Unexpected exception" + e);
        } catch (YarnException e) {
            fail("Unexpected exception" + e);
        }
    } finally {
        rmDtSecretManager.stopThreads();
        // TODO PRECOMMIT Close proxies.
        if (clientRMWithDT != null) {
            RPC.stopProxy(clientRMWithDT);
        }
    }
}

Example 38 with DataInputBuffer

use of org.apache.hadoop.io.DataInputBuffer in project hbase by apache.

the class Writables method getWritable.

/**
   * Set bytes into the passed Writable by calling its
   * {@link Writable#readFields(java.io.DataInput)}.
   * @param bytes serialized bytes
   * @param offset offset into array
   * @param length length of data
   * @param w An empty Writable (usually made by calling the null-arg
   * constructor).
   * @return The passed Writable after its readFields has been called fed
   * by the passed <code>bytes</code> array or IllegalArgumentException
   * if passed null or an empty <code>bytes</code> array.
   * @throws IOException e
   * @throws IllegalArgumentException
   */
public static Writable getWritable(final byte[] bytes, final int offset, final int length, final Writable w) throws IOException {
    if (bytes == null || length <= 0) {
        throw new IllegalArgumentException("Can't build a writable with empty " + "bytes array");
    }
    if (w == null) {
        throw new IllegalArgumentException("Writable cannot be null");
    }
    DataInputBuffer in = new DataInputBuffer();
    try {
        in.reset(bytes, offset, length);
        w.readFields(in);
        return w;
    } finally {
        in.close();
    }
}

Example 39 with DataInputBuffer

use of org.apache.hadoop.io.DataInputBuffer in project SQLWindowing by hbutani.

the class DataType method cloneInstance.

public T cloneInstance(T instance) throws IOException {
    DataOutputBuffer obuffer = serializeBuffers.get();
    obuffer.reset();
    instance.write(obuffer);
    DataInputBuffer ibuffer = materializeBuffers.get();
    byte[] b = obuffer.getData();
    ibuffer.reset(b, 0, b.length);
    T nv = create();
    nv.readFields(ibuffer);
    return nv;
}

Example 40 with DataInputBuffer

use of org.apache.hadoop.io.DataInputBuffer in project hadoop by apache.

the class TestYARNTokenIdentifier method testRMDelegationTokenIdentifier.

@Test
public void testRMDelegationTokenIdentifier() throws IOException {
    Text owner = new Text("user1");
    Text renewer = new Text("user2");
    Text realUser = new Text("user3");
    long issueDate = 1;
    long maxDate = 2;
    int sequenceNumber = 3;
    int masterKeyId = 4;
    RMDelegationTokenIdentifier token = new RMDelegationTokenIdentifier(owner, renewer, realUser);
    token.setIssueDate(issueDate);
    token.setMaxDate(maxDate);
    token.setSequenceNumber(sequenceNumber);
    token.setMasterKeyId(masterKeyId);
    RMDelegationTokenIdentifier anotherToken = new RMDelegationTokenIdentifier();
    byte[] tokenContent = token.getBytes();
    DataInputBuffer dib = new DataInputBuffer();
    dib.reset(tokenContent, tokenContent.length);
    anotherToken.readFields(dib);
    dib.close();
    // verify the whole record equals with original record
    Assert.assertEquals("Token is not the same after serialization " + "and deserialization.", token, anotherToken);
    Assert.assertEquals("owner from proto is not the same with original token", anotherToken.getOwner(), owner);
    Assert.assertEquals("renewer from proto is not the same with original token", anotherToken.getRenewer(), renewer);
    Assert.assertEquals("realUser from proto is not the same with original token", anotherToken.getRealUser(), realUser);
    Assert.assertEquals("issueDate from proto is not the same with original token", anotherToken.getIssueDate(), issueDate);
    Assert.assertEquals("maxDate from proto is not the same with original token", anotherToken.getMaxDate(), maxDate);
    Assert.assertEquals("sequenceNumber from proto is not the same with original token", anotherToken.getSequenceNumber(), sequenceNumber);
    Assert.assertEquals("masterKeyId from proto is not the same with original token", anotherToken.getMasterKeyId(), masterKeyId);
    // Test getProto    
    RMDelegationTokenIdentifier token1 = new RMDelegationTokenIdentifier(owner, renewer, realUser);
    token1.setIssueDate(issueDate);
    token1.setMaxDate(maxDate);
    token1.setSequenceNumber(sequenceNumber);
    token1.setMasterKeyId(masterKeyId);
    YARNDelegationTokenIdentifierProto tokenProto = token1.getProto();
    // Write token proto to stream
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    DataOutputStream out = new DataOutputStream(baos);
    tokenProto.writeTo(out);
    // Read token
    byte[] tokenData = baos.toByteArray();
    RMDelegationTokenIdentifier readToken = new RMDelegationTokenIdentifier();
    DataInputBuffer db = new DataInputBuffer();
    db.reset(tokenData, tokenData.length);
    readToken.readFields(db);
    // Verify if read token equals with original token
    Assert.assertEquals("Token from getProto is not the same after " + "serialization and deserialization.", token1, readToken);
    db.close();
    out.close();
}