Package org.apache.hadoop.hdfs.nfs.nfs3

Examples of org.apache.hadoop.hdfs.nfs.nfs3.Nfs3Utils

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            + ". Return success in this case.");
      }
      status = Nfs3Status.NFS3_OK;

    } else {
      COMMIT_STATUS ret = openFileCtx.checkCommit(dfsClient, commitOffset,
          null, 0, null, true);
      switch (ret) {
      case COMMIT_FINISHED:
      case COMMIT_INACTIVE_CTX:
        status = Nfs3Status.NFS3_OK;
        break;
      case COMMIT_INACTIVE_WITH_PENDING_WRITE:
      case COMMIT_ERROR:
        status = Nfs3Status.NFS3ERR_IO;
        break;
      case COMMIT_WAIT:
        /**
         * This should happen rarely in some possible cases, such as read
         * request arrives before DFSClient is able to quickly flush data to DN,
         * or Prerequisite writes is not available. Won't wait since we don't
         * want to block read.
         */    
        status = Nfs3Status.NFS3ERR_JUKEBOX;
        break;
      default:
        LOG.error("Should not get commit return code:" + ret.name());
        throw new RuntimeException("Should not get commit return code:"
            + ret.name());
      }
    }
    return status;
  }
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      LOG.info("No opened stream for fileId:" + fileHandle.getFileId()
          + " commitOffset=" + commitOffset + ". Return success in this case.");
      status = Nfs3Status.NFS3_OK;
     
    } else {
      COMMIT_STATUS ret = openFileCtx.checkCommit(dfsClient, commitOffset,
          channel, xid, preOpAttr, false);
      switch (ret) {
      case COMMIT_FINISHED:
      case COMMIT_INACTIVE_CTX:
        status = Nfs3Status.NFS3_OK;
        break;
      case COMMIT_INACTIVE_WITH_PENDING_WRITE:
      case COMMIT_ERROR:
        status = Nfs3Status.NFS3ERR_IO;
        break;
      case COMMIT_WAIT:
        // Do nothing. Commit is async now.
        return;
      default:
        LOG.error("Should not get commit return code:" + ret.name());
        throw new RuntimeException("Should not get commit return code:"
            + ret.name());
      }
    }
   
    // Send out the response
    Nfs3FileAttributes postOpAttr = null;
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    Mockito.when(fos.getPos()).thenReturn((long) 0);

    OpenFileCtx ctx = new OpenFileCtx(fos, attr, "/dumpFilePath", dfsClient,
        new IdUserGroup());

    COMMIT_STATUS ret;

    // Test inactive open file context
    ctx.setActiveStatusForTest(false);
    Channel ch = Mockito.mock(Channel.class);
    ret = ctx.checkCommit(dfsClient, 0, ch, 1, attr, false);
    Assert.assertTrue(ret == COMMIT_STATUS.COMMIT_INACTIVE_CTX);

    ctx.getPendingWritesForTest().put(new OffsetRange(5, 10),
        new WriteCtx(null, 0, 0, 0, null, null, null, 0, false, null));
    ret = ctx.checkCommit(dfsClient, 0, ch, 1, attr, false);
    Assert.assertTrue(ret == COMMIT_STATUS.COMMIT_INACTIVE_WITH_PENDING_WRITE);

    // Test request with non zero commit offset
    ctx.setActiveStatusForTest(true);
    Mockito.when(fos.getPos()).thenReturn((long) 10);
    COMMIT_STATUS status = ctx.checkCommitInternal(5, null, 1, attr, false);
    Assert.assertTrue(status == COMMIT_STATUS.COMMIT_DO_SYNC);
    // Do_SYNC state will be updated to FINISHED after data sync
    ret = ctx.checkCommit(dfsClient, 5, ch, 1, attr, false);
    Assert.assertTrue(ret == COMMIT_STATUS.COMMIT_FINISHED);
   
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    OpenFileCtx ctx = new OpenFileCtx(fos, attr, "/dumpFilePath", dfsClient,
        new IdUserGroup());

    FileHandle h = new FileHandle(1); // fake handle for "/dumpFilePath"
    COMMIT_STATUS ret;
    WriteManager wm = new WriteManager(new IdUserGroup(), new Configuration());
    assertTrue(wm.addOpenFileStream(h, ctx));
   
    // Test inactive open file context
    ctx.setActiveStatusForTest(false);
    Channel ch = Mockito.mock(Channel.class);
    ret = ctx.checkCommit(dfsClient, 0, ch, 1, attr, true);
    assertEquals( COMMIT_STATUS.COMMIT_INACTIVE_CTX, ret);
    assertEquals(Nfs3Status.NFS3_OK, wm.commitBeforeRead(dfsClient, h, 0));
   
    ctx.getPendingWritesForTest().put(new OffsetRange(5, 10),
        new WriteCtx(null, 0, 0, 0, null, null, null, 0, false, null));
    ret = ctx.checkCommit(dfsClient, 0, ch, 1, attr, true);
    assertEquals(COMMIT_STATUS.COMMIT_INACTIVE_WITH_PENDING_WRITE, ret);
    assertEquals(Nfs3Status.NFS3ERR_IO, wm.commitBeforeRead(dfsClient, h, 0));
   
    // Test request with non zero commit offset
    ctx.setActiveStatusForTest(true);
    Mockito.when(fos.getPos()).thenReturn((long) 10);
    COMMIT_STATUS status = ctx.checkCommitInternal(5, ch, 1, attr, false);
    assertEquals(COMMIT_STATUS.COMMIT_DO_SYNC, status);
    // Do_SYNC state will be updated to FINISHED after data sync
    ret = ctx.checkCommit(dfsClient, 5, ch, 1, attr, true);
    assertEquals(COMMIT_STATUS.COMMIT_FINISHED, ret);
    assertEquals(Nfs3Status.NFS3_OK, wm.commitBeforeRead(dfsClient, h, 5));
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            + ". Return success in this case.");
      }
      status = Nfs3Status.NFS3_OK;

    } else {
      COMMIT_STATUS ret = openFileCtx.checkCommit(dfsClient, commitOffset,
          null, 0, null, true);
      switch (ret) {
      case COMMIT_FINISHED:
      case COMMIT_INACTIVE_CTX:
        status = Nfs3Status.NFS3_OK;
        break;
      case COMMIT_INACTIVE_WITH_PENDING_WRITE:
      case COMMIT_ERROR:
        status = Nfs3Status.NFS3ERR_IO;
        break;
      case COMMIT_WAIT:
        /**
         * This should happen rarely in some possible cases, such as read
         * request arrives before DFSClient is able to quickly flush data to DN,
         * or Prerequisite writes is not available. Won't wait since we don't
         * want to block read.
         */    
        status = Nfs3Status.NFS3ERR_JUKEBOX;
        break;
      default:
        LOG.error("Should not get commit return code:" + ret.name());
        throw new RuntimeException("Should not get commit return code:"
            + ret.name());
      }
    }
    return status;
  }
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      LOG.info("No opened stream for fileId:" + fileHandle.getFileId()
          + " commitOffset=" + commitOffset + ". Return success in this case.");
      status = Nfs3Status.NFS3_OK;
     
    } else {
      COMMIT_STATUS ret = openFileCtx.checkCommit(dfsClient, commitOffset,
          channel, xid, preOpAttr, false);
      switch (ret) {
      case COMMIT_FINISHED:
      case COMMIT_INACTIVE_CTX:
        status = Nfs3Status.NFS3_OK;
        break;
      case COMMIT_INACTIVE_WITH_PENDING_WRITE:
      case COMMIT_ERROR:
        status = Nfs3Status.NFS3ERR_IO;
        break;
      case COMMIT_WAIT:
        // Do nothing. Commit is async now.
        return;
      default:
        LOG.error("Should not get commit return code:" + ret.name());
        throw new RuntimeException("Should not get commit return code:"
            + ret.name());
      }
    }
   
    // Send out the response
    Nfs3FileAttributes postOpAttr = null;
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            + ". Return success in this case.");
      }
      status = Nfs3Status.NFS3_OK;

    } else {
      COMMIT_STATUS ret = openFileCtx.checkCommit(dfsClient, commitOffset,
          null, 0, null, true);
      switch (ret) {
      case COMMIT_FINISHED:
      case COMMIT_INACTIVE_CTX:
        status = Nfs3Status.NFS3_OK;
        break;
      case COMMIT_INACTIVE_WITH_PENDING_WRITE:
      case COMMIT_ERROR:
        status = Nfs3Status.NFS3ERR_IO;
        break;
      case COMMIT_WAIT:
        /**
         * This should happen rarely in some possible cases, such as read
         * request arrives before DFSClient is able to quickly flush data to DN,
         * or Prerequisite writes is not available. Won't wait since we don't
         * want to block read.
         */    
        status = Nfs3Status.NFS3ERR_JUKEBOX;
        break;
      default:
        LOG.error("Should not get commit return code:" + ret.name());
        throw new RuntimeException("Should not get commit return code:"
            + ret.name());
      }
    }
    return status;
  }
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      LOG.info("No opened stream for fileId:" + fileHandle.getFileId()
          + " commitOffset=" + commitOffset + ". Return success in this case.");
      status = Nfs3Status.NFS3_OK;
     
    } else {
      COMMIT_STATUS ret = openFileCtx.checkCommit(dfsClient, commitOffset,
          channel, xid, preOpAttr, false);
      switch (ret) {
      case COMMIT_FINISHED:
      case COMMIT_INACTIVE_CTX:
        status = Nfs3Status.NFS3_OK;
        break;
      case COMMIT_INACTIVE_WITH_PENDING_WRITE:
      case COMMIT_ERROR:
        status = Nfs3Status.NFS3ERR_IO;
        break;
      case COMMIT_WAIT:
        // Do nothing. Commit is async now.
        return;
      default:
        LOG.error("Should not get commit return code:" + ret.name());
        throw new RuntimeException("Should not get commit return code:"
            + ret.name());
      }
    }
   
    // Send out the response
    Nfs3FileAttributes postOpAttr = null;
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    Mockito.when(fos.getPos()).thenReturn((long) 0);

    OpenFileCtx ctx = new OpenFileCtx(fos, attr, "/dumpFilePath", dfsClient,
        new IdUserGroup());

    COMMIT_STATUS ret;

    // Test inactive open file context
    ctx.setActiveStatusForTest(false);
    Channel ch = Mockito.mock(Channel.class);
    ret = ctx.checkCommit(dfsClient, 0, ch, 1, attr, false);
    Assert.assertTrue(ret == COMMIT_STATUS.COMMIT_INACTIVE_CTX);

    ctx.getPendingWritesForTest().put(new OffsetRange(5, 10),
        new WriteCtx(null, 0, 0, 0, null, null, null, 0, false, null));
    ret = ctx.checkCommit(dfsClient, 0, ch, 1, attr, false);
    Assert.assertTrue(ret == COMMIT_STATUS.COMMIT_INACTIVE_WITH_PENDING_WRITE);

    // Test request with non zero commit offset
    ctx.setActiveStatusForTest(true);
    Mockito.when(fos.getPos()).thenReturn((long) 10);
    COMMIT_STATUS status = ctx.checkCommitInternal(5, null, 1, attr, false);
    Assert.assertTrue(status == COMMIT_STATUS.COMMIT_DO_SYNC);
    // Do_SYNC state will be updated to FINISHED after data sync
    ret = ctx.checkCommit(dfsClient, 5, ch, 1, attr, false);
    Assert.assertTrue(ret == COMMIT_STATUS.COMMIT_FINISHED);
   
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    OpenFileCtx ctx = new OpenFileCtx(fos, attr, "/dumpFilePath", dfsClient,
        new IdUserGroup());

    FileHandle h = new FileHandle(1); // fake handle for "/dumpFilePath"
    COMMIT_STATUS ret;
    WriteManager wm = new WriteManager(new IdUserGroup(), new Configuration());
    assertTrue(wm.addOpenFileStream(h, ctx));
   
    // Test inactive open file context
    ctx.setActiveStatusForTest(false);
    Channel ch = Mockito.mock(Channel.class);
    ret = ctx.checkCommit(dfsClient, 0, ch, 1, attr, true);
    assertEquals( COMMIT_STATUS.COMMIT_INACTIVE_CTX, ret);
    assertEquals(Nfs3Status.NFS3_OK, wm.commitBeforeRead(dfsClient, h, 0));
   
    ctx.getPendingWritesForTest().put(new OffsetRange(5, 10),
        new WriteCtx(null, 0, 0, 0, null, null, null, 0, false, null));
    ret = ctx.checkCommit(dfsClient, 0, ch, 1, attr, true);
    assertEquals(COMMIT_STATUS.COMMIT_INACTIVE_WITH_PENDING_WRITE, ret);
    assertEquals(Nfs3Status.NFS3ERR_IO, wm.commitBeforeRead(dfsClient, h, 0));
   
    // Test request with non zero commit offset
    ctx.setActiveStatusForTest(true);
    Mockito.when(fos.getPos()).thenReturn((long) 10);
    COMMIT_STATUS status = ctx.checkCommitInternal(5, ch, 1, attr, false);
    assertEquals(COMMIT_STATUS.COMMIT_DO_SYNC, status);
    // Do_SYNC state will be updated to FINISHED after data sync
    ret = ctx.checkCommit(dfsClient, 5, ch, 1, attr, true);
    assertEquals(COMMIT_STATUS.COMMIT_FINISHED, ret);
    assertEquals(Nfs3Status.NFS3_OK, wm.commitBeforeRead(dfsClient, h, 5));
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Related Classes of org.apache.hadoop.hdfs.nfs.nfs3.Nfs3Utils

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  • org.apache.hadoop.fs.FSDataInputStream
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  • org.apache.hadoop.fs.Path
  • org.apache.hadoop.fs.permission.FsPermission
  • org.apache.hadoop.hdfs.client.HdfsDataOutputStream
  • org.apache.hadoop.hdfs.DFSClient
  • org.apache.hadoop.hdfs.DFSInputStream
  • org.apache.hadoop.hdfs.MiniDFSCluster
  • org.apache.hadoop.hdfs.nfs.conf.NfsConfiguration
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