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From kih...@apache.org
Subject hadoop git commit: Adding missing files from HDFS-7404
Date Thu, 12 Feb 2015 17:18:12 GMT
Repository: hadoop
Updated Branches:
  refs/heads/trunk 38262779b -> 8d7215d40


Adding missing files from HDFS-7404


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/8d7215d4
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/8d7215d4
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/8d7215d4

Branch: refs/heads/trunk
Commit: 8d7215d40fb206bff7558527b1aef7bd40d427ff
Parents: 3826277
Author: Kihwal Lee <kihwal@apache.org>
Authored: Thu Feb 12 11:17:39 2015 -0600
Committer: Kihwal Lee <kihwal@apache.org>
Committed: Thu Feb 12 11:17:39 2015 -0600

----------------------------------------------------------------------
 .../server/datanode/BPServiceActorAction.java   |  32 ++++++
 .../datanode/BPServiceActorActionException.java |  33 ++++++
 .../hdfs/server/datanode/ErrorReportAction.java |  83 ++++++++++++++
 .../server/datanode/ReportBadBlockAction.java   | 108 +++++++++++++++++++
 4 files changed, 256 insertions(+)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/8d7215d4/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BPServiceActorAction.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BPServiceActorAction.java
b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BPServiceActorAction.java
new file mode 100644
index 0000000..5448102
--- /dev/null
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BPServiceActorAction.java
@@ -0,0 +1,32 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.hdfs.server.datanode;
+
+import org.apache.hadoop.hdfs.protocolPB.DatanodeProtocolClientSideTranslatorPB;
+import org.apache.hadoop.hdfs.server.protocol.DatanodeRegistration;
+
+/**
+ * Base class for BPServiceActor class
+ * Issued by BPOfferSerivce class to tell BPServiceActor 
+ * to take several actions.
+ */
+public interface BPServiceActorAction {
+  public void reportTo(DatanodeProtocolClientSideTranslatorPB bpNamenode,
+    DatanodeRegistration bpRegistration) throws BPServiceActorActionException;
+}

http://git-wip-us.apache.org/repos/asf/hadoop/blob/8d7215d4/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BPServiceActorActionException.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BPServiceActorActionException.java
b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BPServiceActorActionException.java
new file mode 100644
index 0000000..2028252
--- /dev/null
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BPServiceActorActionException.java
@@ -0,0 +1,33 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.hdfs.server.datanode;
+
+import java.io.IOException;
+
+public class BPServiceActorActionException extends IOException {
+
+/**
+ * An exception for BPSerivceActor call related issues
+ */
+  private static final long serialVersionUID = 1L;
+
+  public BPServiceActorActionException(String message) {
+    super(message);
+  }
+}

http://git-wip-us.apache.org/repos/asf/hadoop/blob/8d7215d4/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/ErrorReportAction.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/ErrorReportAction.java
b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/ErrorReportAction.java
new file mode 100644
index 0000000..331822a
--- /dev/null
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/ErrorReportAction.java
@@ -0,0 +1,83 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.hdfs.server.datanode;
+
+import java.io.IOException;
+
+import org.apache.hadoop.hdfs.protocolPB.DatanodeProtocolClientSideTranslatorPB;
+import org.apache.hadoop.hdfs.server.protocol.DatanodeRegistration;
+
+
+/**
+ * A ErrorReportAction is an instruction issued by BPOfferService to 
+ * BPServiceActor about a particular block encapsulated in errorMessage.
+ */
+public class ErrorReportAction implements BPServiceActorAction {
+
+  final int errorCode;
+  final String errorMessage;
+  
+  public ErrorReportAction(int errorCode, String errorMessage) {
+    this.errorCode = errorCode;
+    this.errorMessage = errorMessage;
+  }
+  
+  @Override
+  public void reportTo(DatanodeProtocolClientSideTranslatorPB bpNamenode, 
+    DatanodeRegistration bpRegistration) throws BPServiceActorActionException {
+    try {
+      bpNamenode.errorReport(bpRegistration, errorCode, errorMessage);
+    } catch(IOException e) {
+      throw new BPServiceActorActionException("Error reporting "
+          + "an error to namenode: ");
+    }
+  }
+
+  @Override
+  public int hashCode() {
+    final int prime = 31;
+    int result = 1;
+    result = prime * result + errorCode;
+    result = prime * result
+        + ((errorMessage == null) ? 0 : errorMessage.hashCode());
+    return result;
+  }
+
+  @Override
+  public boolean equals(Object obj) {
+    if (this == obj) {
+      return true;
+    }
+    if (obj == null || !(obj instanceof ErrorReportAction)) {
+      return false;
+    }
+    ErrorReportAction other = (ErrorReportAction) obj;
+    if (errorCode != other.errorCode) {
+      return false;
+    }
+    if (errorMessage == null) {
+      if (other.errorMessage != null) {
+        return false;
+      }
+    } else if (!errorMessage.equals(other.errorMessage)) {
+      return false;
+    }
+    return true;
+  }
+}

http://git-wip-us.apache.org/repos/asf/hadoop/blob/8d7215d4/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/ReportBadBlockAction.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/ReportBadBlockAction.java
b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/ReportBadBlockAction.java
new file mode 100644
index 0000000..07f99f6
--- /dev/null
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/ReportBadBlockAction.java
@@ -0,0 +1,108 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.hdfs.server.datanode;
+
+import java.io.IOException;
+
+import org.apache.hadoop.hdfs.StorageType;
+import org.apache.hadoop.hdfs.protocol.DatanodeInfo;
+import org.apache.hadoop.hdfs.protocol.ExtendedBlock;
+import org.apache.hadoop.hdfs.protocol.LocatedBlock;
+import org.apache.hadoop.hdfs.protocolPB.DatanodeProtocolClientSideTranslatorPB;
+import org.apache.hadoop.hdfs.server.protocol.DatanodeRegistration;
+
+/**
+ * ReportBadBlockAction is an instruction issued by {{BPOfferService}} to
+ * {{BPServiceActor}} to report bad block to namenode
+ *
+ */
+public class ReportBadBlockAction implements BPServiceActorAction {
+
+  private final ExtendedBlock block;
+  private final String storageUuid;
+  private final StorageType storageType;
+
+  public ReportBadBlockAction(ExtendedBlock block, String storageUuid, 
+      StorageType storageType) {
+    this.block = block;
+    this.storageUuid = storageUuid;
+    this.storageType = storageType;
+  }
+
+  @Override
+  public void reportTo(DatanodeProtocolClientSideTranslatorPB bpNamenode, 
+    DatanodeRegistration bpRegistration) throws BPServiceActorActionException {
+    if (bpRegistration == null) {
+      return;
+    }
+    DatanodeInfo[] dnArr = { new DatanodeInfo(bpRegistration) };
+    String[] uuids = { storageUuid };
+    StorageType[] types = { storageType };
+    LocatedBlock[] locatedBlock = { new LocatedBlock(block,
+        dnArr, uuids, types) };
+
+    try {
+      bpNamenode.reportBadBlocks(locatedBlock);  
+    } catch (IOException e){
+      throw new BPServiceActorActionException("Failed to report bad block "
+          + block + " to namenode: ");
+    }
+  }
+
+  @Override
+  public int hashCode() {
+    final int prime = 31;
+    int result = 1;
+    result = prime * result + ((block == null) ? 0 : block.hashCode());
+    result = prime * result
+        + ((storageType == null) ? 0 : storageType.hashCode());
+    result = prime * result
+        + ((storageUuid == null) ? 0 : storageUuid.hashCode());
+    return result;
+  }
+
+  @Override
+  public boolean equals(Object obj) {
+    if (this == obj) {
+      return true;
+    }
+    if (obj == null || !(obj instanceof ReportBadBlockAction)) {
+      return false;
+    }
+    ReportBadBlockAction other = (ReportBadBlockAction) obj;
+    if (block == null) {
+      if (other.block != null) {
+        return false;
+      }
+    } else if (!block.equals(other.block)) {
+      return false;
+    }
+    if (storageType != other.storageType) {
+      return false;
+    }
+    if (storageUuid == null) {
+      if (other.storageUuid != null) {
+        return false;
+      }
+    } else if (!storageUuid.equals(other.storageUuid)) {
+      return false;
+    }
+    return true;
+  }
+}


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