Java RemotePeerFactory类代码示例

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本文整理汇总了Java中org.apache.hadoop.hdfs.RemotePeerFactory类的典型用法代码示例。如果您正苦于以下问题：Java RemotePeerFactory类的具体用法？Java RemotePeerFactory怎么用？Java RemotePeerFactory使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

RemotePeerFactory类属于org.apache.hadoop.hdfs包，在下文中一共展示了RemotePeerFactory类的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Java代码示例。

示例1: tryRead

import org.apache.hadoop.hdfs.RemotePeerFactory; //导入依赖的package包/类
private static void tryRead(final Configuration conf, LocatedBlock lblock,
    boolean shouldSucceed) {
  InetSocketAddress targetAddr = null;
  IOException ioe = null;
  BlockReader blockReader = null;
  ExtendedBlock block = lblock.getBlock();
  try {
    DatanodeInfo[] nodes = lblock.getLocations();
    targetAddr = NetUtils.createSocketAddr(nodes[0].getXferAddr());

    blockReader = new BlockReaderFactory(new DFSClient.Conf(conf)).
        setFileName(BlockReaderFactory.getFileName(targetAddr, 
                      "test-blockpoolid", block.getBlockId())).
        setBlock(block).
        setBlockToken(lblock.getBlockToken()).
        setInetSocketAddress(targetAddr).
        setStartOffset(0).
        setLength(-1).
        setVerifyChecksum(true).
        setClientName("TestBlockTokenWithDFS").
        setDatanodeInfo(nodes[0]).
        setCachingStrategy(CachingStrategy.newDefaultStrategy()).
        setClientCacheContext(ClientContext.getFromConf(conf)).
        setConfiguration(conf).
        setRemotePeerFactory(new RemotePeerFactory() {
          @Override
          public Peer newConnectedPeer(InetSocketAddress addr,
              Token<BlockTokenIdentifier> blockToken, DatanodeID datanodeId)
              throws IOException {
            Peer peer = null;
            Socket sock = NetUtils.getDefaultSocketFactory(conf).createSocket();
            try {
              sock.connect(addr, HdfsServerConstants.READ_TIMEOUT);
              sock.setSoTimeout(HdfsServerConstants.READ_TIMEOUT);
              peer = TcpPeerServer.peerFromSocket(sock);
            } finally {
              if (peer == null) {
                IOUtils.closeSocket(sock);
              }
            }
            return peer;
          }
        }).
        build();
  } catch (IOException ex) {
    ioe = ex;
  } finally {
    if (blockReader != null) {
      try {
        blockReader.close();
      } catch (IOException e) {
        throw new RuntimeException(e);
      }
    }
  }
  if (shouldSucceed) {
    Assert.assertNotNull("OP_READ_BLOCK: access token is invalid, "
          + "when it is expected to be valid", blockReader);
  } else {
    Assert.assertNotNull("OP_READ_BLOCK: access token is valid, "
        + "when it is expected to be invalid", ioe);
    Assert.assertTrue(
        "OP_READ_BLOCK failed due to reasons other than access token: ",
        ioe instanceof InvalidBlockTokenException);
  }
}

开发者ID:naver，项目名称:hadoop，代码行数:67，代码来源:TestBlockTokenWithDFS.java

示例2: accessBlock

import org.apache.hadoop.hdfs.RemotePeerFactory; //导入依赖的package包/类
/**
 * try to access a block on a data node. If fails - throws exception
 * @param datanode
 * @param lblock
 * @throws IOException
 */
private void accessBlock(DatanodeInfo datanode, LocatedBlock lblock)
  throws IOException {
  InetSocketAddress targetAddr = null;
  ExtendedBlock block = lblock.getBlock(); 
 
  targetAddr = NetUtils.createSocketAddr(datanode.getXferAddr());

  BlockReader blockReader = new BlockReaderFactory(new DFSClient.Conf(conf)).
    setInetSocketAddress(targetAddr).
    setBlock(block).
    setFileName(BlockReaderFactory.getFileName(targetAddr,
                  "test-blockpoolid", block.getBlockId())).
    setBlockToken(lblock.getBlockToken()).
    setStartOffset(0).
    setLength(-1).
    setVerifyChecksum(true).
    setClientName("TestDataNodeVolumeFailure").
    setDatanodeInfo(datanode).
    setCachingStrategy(CachingStrategy.newDefaultStrategy()).
    setClientCacheContext(ClientContext.getFromConf(conf)).
    setConfiguration(conf).
    setRemotePeerFactory(new RemotePeerFactory() {
      @Override
      public Peer newConnectedPeer(InetSocketAddress addr,
          Token<BlockTokenIdentifier> blockToken, DatanodeID datanodeId)
          throws IOException {
        Peer peer = null;
        Socket sock = NetUtils.getDefaultSocketFactory(conf).createSocket();
        try {
          sock.connect(addr, HdfsServerConstants.READ_TIMEOUT);
          sock.setSoTimeout(HdfsServerConstants.READ_TIMEOUT);
          peer = TcpPeerServer.peerFromSocket(sock);
        } finally {
          if (peer == null) {
            IOUtils.closeSocket(sock);
          }
        }
        return peer;
      }
    }).
    build();
  blockReader.close();
}

开发者ID:naver，项目名称:hadoop，代码行数:50，代码来源:TestDataNodeVolumeFailure.java

示例3: tryRead

import org.apache.hadoop.hdfs.RemotePeerFactory; //导入依赖的package包/类
protected void tryRead(final Configuration conf, LocatedBlock lblock,
    boolean shouldSucceed) {
  InetSocketAddress targetAddr = null;
  IOException ioe = null;
  BlockReader blockReader = null;
  ExtendedBlock block = lblock.getBlock();
  try {
    DatanodeInfo[] nodes = lblock.getLocations();
    targetAddr = NetUtils.createSocketAddr(nodes[0].getXferAddr());

    blockReader = new BlockReaderFactory(new DfsClientConf(conf)).
        setFileName(BlockReaderFactory.getFileName(targetAddr,
                      "test-blockpoolid", block.getBlockId())).
        setBlock(block).
        setBlockToken(lblock.getBlockToken()).
        setInetSocketAddress(targetAddr).
        setStartOffset(0).
        setLength(-1).
        setVerifyChecksum(true).
        setClientName("TestBlockTokenWithDFS").
        setDatanodeInfo(nodes[0]).
        setCachingStrategy(CachingStrategy.newDefaultStrategy()).
        setClientCacheContext(ClientContext.getFromConf(conf)).
        setConfiguration(conf).
        setTracer(FsTracer.get(conf)).
        setRemotePeerFactory(new RemotePeerFactory() {
          @Override
          public Peer newConnectedPeer(InetSocketAddress addr,
              Token<BlockTokenIdentifier> blockToken, DatanodeID datanodeId)
              throws IOException {
            Peer peer = null;
            Socket sock = NetUtils.getDefaultSocketFactory(conf).createSocket();
            try {
              sock.connect(addr, HdfsConstants.READ_TIMEOUT);
              sock.setSoTimeout(HdfsConstants.READ_TIMEOUT);
              peer = DFSUtilClient.peerFromSocket(sock);
            } finally {
              if (peer == null) {
                IOUtils.closeSocket(sock);
              }
            }
            return peer;
          }
        }).
        build();
  } catch (IOException ex) {
    ioe = ex;
  } finally {
    if (blockReader != null) {
      try {
        blockReader.close();
      } catch (IOException e) {
        throw new RuntimeException(e);
      }
    }
  }
  if (shouldSucceed) {
    Assert.assertNotNull("OP_READ_BLOCK: access token is invalid, "
          + "when it is expected to be valid", blockReader);
  } else {
    Assert.assertNotNull("OP_READ_BLOCK: access token is valid, "
        + "when it is expected to be invalid", ioe);
    Assert.assertTrue(
        "OP_READ_BLOCK failed due to reasons other than access token: ",
        ioe instanceof InvalidBlockTokenException);
  }
}

开发者ID:aliyun-beta，项目名称:aliyun-oss-hadoop-fs，代码行数:68，代码来源:TestBlockTokenWithDFS.java

示例4: accessBlock

import org.apache.hadoop.hdfs.RemotePeerFactory; //导入依赖的package包/类
/**
 * try to access a block on a data node. If fails - throws exception
 * @param datanode
 * @param lblock
 * @throws IOException
 */
private void accessBlock(DatanodeInfo datanode, LocatedBlock lblock)
  throws IOException {
  InetSocketAddress targetAddr = null;
  ExtendedBlock block = lblock.getBlock(); 
 
  targetAddr = NetUtils.createSocketAddr(datanode.getXferAddr());

  BlockReader blockReader = new BlockReaderFactory(new DfsClientConf(conf)).
    setInetSocketAddress(targetAddr).
    setBlock(block).
    setFileName(BlockReaderFactory.getFileName(targetAddr,
                  "test-blockpoolid", block.getBlockId())).
    setBlockToken(lblock.getBlockToken()).
    setStartOffset(0).
    setLength(-1).
    setVerifyChecksum(true).
    setClientName("TestDataNodeVolumeFailure").
    setDatanodeInfo(datanode).
    setCachingStrategy(CachingStrategy.newDefaultStrategy()).
    setClientCacheContext(ClientContext.getFromConf(conf)).
    setConfiguration(conf).
    setTracer(FsTracer.get(conf)).
    setRemotePeerFactory(new RemotePeerFactory() {
      @Override
      public Peer newConnectedPeer(InetSocketAddress addr,
          Token<BlockTokenIdentifier> blockToken, DatanodeID datanodeId)
          throws IOException {
        Peer peer = null;
        Socket sock = NetUtils.getDefaultSocketFactory(conf).createSocket();
        try {
          sock.connect(addr, HdfsConstants.READ_TIMEOUT);
          sock.setSoTimeout(HdfsConstants.READ_TIMEOUT);
          peer = DFSUtilClient.peerFromSocket(sock);
        } finally {
          if (peer == null) {
            IOUtils.closeSocket(sock);
          }
        }
        return peer;
      }
    }).
    build();
  blockReader.close();
}

开发者ID:aliyun-beta，项目名称:aliyun-oss-hadoop-fs，代码行数:51，代码来源:TestDataNodeVolumeFailure.java

示例5: tryRead

import org.apache.hadoop.hdfs.RemotePeerFactory; //导入依赖的package包/类
private static void tryRead(final Configuration conf, LocatedBlock lblock,
    boolean shouldSucceed) {
  InetSocketAddress targetAddr = null;
  IOException ioe = null;
  BlockReader blockReader = null;
  ExtendedBlock block = lblock.getBlock();
  try {
    DatanodeInfo[] nodes = lblock.getLocations();
    targetAddr = NetUtils.createSocketAddr(nodes[0].getXferAddr());

    blockReader = new BlockReaderFactory(new DFSClient.Conf(conf)).
        setFileName(BlockReaderFactory.getFileName(targetAddr, 
                      "test-blockpoolid", block.getBlockId())).
        setBlock(block).
        setBlockToken(lblock.getBlockToken()).
        setInetSocketAddress(targetAddr).
        setStartOffset(0).
        setLength(-1).
        setVerifyChecksum(true).
        setClientName("TestBlockTokenWithDFS").
        setDatanodeInfo(nodes[0]).
        setCachingStrategy(CachingStrategy.newDefaultStrategy()).
        setClientCacheContext(ClientContext.getFromConf(conf)).
        setConfiguration(conf).
        setRemotePeerFactory(new RemotePeerFactory() {
          @Override
          public Peer newConnectedPeer(InetSocketAddress addr)
              throws IOException {
            Peer peer = null;
            Socket sock = NetUtils.getDefaultSocketFactory(conf).createSocket();
            try {
              sock.connect(addr, HdfsServerConstants.READ_TIMEOUT);
              sock.setSoTimeout(HdfsServerConstants.READ_TIMEOUT);
              peer = TcpPeerServer.peerFromSocket(sock);
            } finally {
              if (peer == null) {
                IOUtils.closeSocket(sock);
              }
            }
            return peer;
          }
        }).
        build();
  } catch (IOException ex) {
    ioe = ex;
  } finally {
    if (blockReader != null) {
      try {
        blockReader.close();
      } catch (IOException e) {
        throw new RuntimeException(e);
      }
    }
  }
  if (shouldSucceed) {
    Assert.assertNotNull("OP_READ_BLOCK: access token is invalid, "
          + "when it is expected to be valid", blockReader);
  } else {
    Assert.assertNotNull("OP_READ_BLOCK: access token is valid, "
        + "when it is expected to be invalid", ioe);
    Assert.assertTrue(
        "OP_READ_BLOCK failed due to reasons other than access token: ",
        ioe instanceof InvalidBlockTokenException);
  }
}

开发者ID:Seagate，项目名称:hadoop-on-lustre2，代码行数:66，代码来源:TestBlockTokenWithDFS.java

示例6: accessBlock

import org.apache.hadoop.hdfs.RemotePeerFactory; //导入依赖的package包/类
/**
 * try to access a block on a data node. If fails - throws exception
 * @param datanode
 * @param lblock
 * @throws IOException
 */
private void accessBlock(DatanodeInfo datanode, LocatedBlock lblock)
  throws IOException {
  InetSocketAddress targetAddr = null;
  ExtendedBlock block = lblock.getBlock(); 
 
  targetAddr = NetUtils.createSocketAddr(datanode.getXferAddr());

  BlockReader blockReader = new BlockReaderFactory(new DFSClient.Conf(conf)).
    setInetSocketAddress(targetAddr).
    setBlock(block).
    setFileName(BlockReaderFactory.getFileName(targetAddr,
                  "test-blockpoolid", block.getBlockId())).
    setBlockToken(lblock.getBlockToken()).
    setStartOffset(0).
    setLength(-1).
    setVerifyChecksum(true).
    setClientName("TestDataNodeVolumeFailure").
    setDatanodeInfo(datanode).
    setCachingStrategy(CachingStrategy.newDefaultStrategy()).
    setClientCacheContext(ClientContext.getFromConf(conf)).
    setConfiguration(conf).
    setRemotePeerFactory(new RemotePeerFactory() {
      @Override
      public Peer newConnectedPeer(InetSocketAddress addr)
          throws IOException {
        Peer peer = null;
        Socket sock = NetUtils.getDefaultSocketFactory(conf).createSocket();
        try {
          sock.connect(addr, HdfsServerConstants.READ_TIMEOUT);
          sock.setSoTimeout(HdfsServerConstants.READ_TIMEOUT);
          peer = TcpPeerServer.peerFromSocket(sock);
        } finally {
          if (peer == null) {
            IOUtils.closeSocket(sock);
          }
        }
        return peer;
      }
    }).
    build();
  blockReader.close();
}

开发者ID:Seagate，项目名称:hadoop-on-lustre2，代码行数:49，代码来源:TestDataNodeVolumeFailure.java

注：本文中的org.apache.hadoop.hdfs.RemotePeerFactory类示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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Java RemotePeerFactory类代码示例

示例1: tryRead

示例2: accessBlock

示例3: tryRead

示例4: accessBlock

示例5: tryRead

示例6: accessBlock

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