Package org.apache.hadoop.hdfs.server.namenode.top

Class TopAuditLogger

java.lang.Object

org.apache.hadoop.hdfs.server.namenode.top.TopAuditLogger

All Implemented Interfaces:

AuditLogger

@Private
public class TopAuditLogger
extends java.lang.Object
implements AuditLogger

An AuditLogger that sends logged data directly to the metrics systems. It is used when the top service is used directly by the name node

Field Summary

Fields

Modifier and Type	Field	Description
static org.slf4j.Logger	LOG

Constructor Summary

Constructors

Constructor	Description
TopAuditLogger()
TopAuditLogger(TopMetrics topMetrics)

Method Summary

Modifier and Type	Method	Description
void	initialize(org.apache.hadoop.conf.Configuration conf)	Called during initialization of the logger.
void	logAuditEvent(boolean succeeded, java.lang.String userName, java.net.InetAddress addr, java.lang.String cmd, java.lang.String src, java.lang.String dst, org.apache.hadoop.fs.FileStatus status)	Called to log an audit event.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

LOG

public static final org.slf4j.Logger LOG

Constructor Detail

TopAuditLogger

public TopAuditLogger()

TopAuditLogger

public TopAuditLogger(TopMetrics topMetrics)

Method Detail

initialize

public void initialize(org.apache.hadoop.conf.Configuration conf)

Description copied from interface: AuditLogger

Called during initialization of the logger.

Specified by:

initialize in interface AuditLogger

Parameters:

conf - The configuration object.

logAuditEvent

public void logAuditEvent(boolean succeeded,
                          java.lang.String userName,
                          java.net.InetAddress addr,
                          java.lang.String cmd,
                          java.lang.String src,
                          java.lang.String dst,
                          org.apache.hadoop.fs.FileStatus status)

Description copied from interface: AuditLogger

Called to log an audit event.

This method must return as quickly as possible, since it's called in a critical section of the NameNode's operation.

Specified by:

logAuditEvent in interface AuditLogger

Parameters:

succeeded - Whether authorization succeeded.

userName - Name of the user executing the request.

addr - Remote address of the request.

cmd - The requested command.

src - Path of affected source file.

dst - Path of affected destination file (if any).

status - File information for operations that change the file's metadata (permissions, owner, times, etc).