org.apache.storm.daemon.logviewer.handler

Class LogviewerProfileHandler

java.lang.Object

org.apache.storm.daemon.logviewer.handler.LogviewerProfileHandler

public class LogviewerProfileHandler
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static String	WORKER_LOG_FILENAME

Constructor Summary

Constructors

Constructor and Description
LogviewerProfileHandler(String logRoot, ResourceAuthorizer resourceAuthorizer, StormMetricsRegistry metricsRegistry) Constructor.

Method Summary

Modifier and Type	Method and Description
javax.ws.rs.core.Response	downloadDumpFile(String topologyId, String hostPort, String fileName, String user) Download a dump file.
javax.ws.rs.core.Response	listDumpFiles(String topologyId, String hostPort, String user) Enumerate dump (profile) files for given worker.

Methods inherited from class java.lang.Object

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

Field Detail

WORKER_LOG_FILENAME

public static final String WORKER_LOG_FILENAME

See Also:

Constant Field Values

Constructor Detail

LogviewerProfileHandler

public LogviewerProfileHandler(String logRoot,
                               ResourceAuthorizer resourceAuthorizer,
                               StormMetricsRegistry metricsRegistry)

Constructor.

Parameters:

logRoot - worker log root directory

resourceAuthorizer - ResourceAuthorizer

metricsRegistry - The logviewer metrisc registry

Method Detail

listDumpFiles

public javax.ws.rs.core.Response listDumpFiles(String topologyId,
                                               String hostPort,
                                               String user)
                                        throws IOException

Enumerate dump (profile) files for given worker.

Parameters:

topologyId - topology ID

hostPort - host and port of worker

user - username

Returns:

The HTML page representing list page of dump files

Throws:

IOException

downloadDumpFile

public javax.ws.rs.core.Response downloadDumpFile(String topologyId,
                                                  String hostPort,
                                                  String fileName,
                                                  String user)
                                           throws IOException

Download a dump file.

Parameters:

topologyId - topology ID

hostPort - host and port of worker

fileName - dump file name

user - username

Returns:

a Response which lets browsers download that file.

Throws:

IOException

See Also:

org.apache.storm.daemon.logviewer.utils.LogFileDownloader#downloadFile(String, String, boolean)}