java.lang.Object
- org.apache.storm.daemon.logviewer.handler.LogviewerLogPageHandler

public class LogviewerLogPageHandler
extends Object

Constructor Summary

Constructors
Constructor	Description
`LogviewerLogPageHandler(String logRoot, String daemonLogRoot, WorkerLogs workerLogs, ResourceAuthorizer resourceAuthorizer, StormMetricsRegistry metricsRegistry)`	Constructor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`jakarta.ws.rs.core.Response`	`daemonLogPage(String fileName, Integer start, Integer length, String grep, String user)`	Provides a daemon log file to view.
`jakarta.ws.rs.core.Response`	`listLogFiles(String user, Integer port, String topologyId, String callback, String origin)`	Enumerate worker log files for given criteria.
`jakarta.ws.rs.core.Response`	`logPage(String fileName, Integer start, Integer length, String grep, String user)`	Provides a worker log file to view, starting from the specified position or default starting position of the most recent page.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

LogviewerLogPageHandler

public LogviewerLogPageHandler(String logRoot,
                               String daemonLogRoot,
                               WorkerLogs workerLogs,
                               ResourceAuthorizer resourceAuthorizer,
                               StormMetricsRegistry metricsRegistry)

Constructor.

Parameters:: logRoot - root worker log directory; daemonLogRoot - root daemon log directory; workerLogs - WorkerLogs; resourceAuthorizer - ResourceAuthorizer; metricsRegistry - The logviewer metrics registry

Method Detail

listLogFiles

public jakarta.ws.rs.core.Response listLogFiles(String user,
                                                Integer port,
                                                String topologyId,
                                                String callback,
                                                String origin)
                                         throws IOException

Enumerate worker log files for given criteria.

Parameters:: user - username; port - worker's port, null for all workers; topologyId - topology ID, null for all topologies; callback - callbackParameterName for JSONP; origin - origin
Returns:: list of worker logs for given criteria
Throws:: IOException

logPage

public jakarta.ws.rs.core.Response logPage(String fileName,
                                           Integer start,
                                           Integer length,
                                           String grep,
                                           String user)
                                    throws IOException,
                                           InvalidRequestException

Provides a worker log file to view, starting from the specified position or default starting position of the most recent page.

Parameters:: fileName - file to view; start - start offset, or null if the most recent page is desired; length - length to read in this page, or null if default page length is desired; grep - search string if request is a result of the search, can be null; user - username
Returns:: HTML view page of worker log
Throws:: IOException; InvalidRequestException

daemonLogPage

public jakarta.ws.rs.core.Response daemonLogPage(String fileName,
                                                 Integer start,
                                                 Integer length,
                                                 String grep,
                                                 String user)
                                          throws IOException,
                                                 InvalidRequestException

Provides a daemon log file to view.

Parameters:: fileName - file to view; start - start offset, or null if the most recent page is desired; length - length to read in this page, or null if default page length is desired; grep - search string if request is a result of the search, can be null; user - username
Returns:: HTML view page of daemon log
Throws:: IOException; InvalidRequestException

Class LogviewerLogPageHandler