org.apache.brooklyn.qa.longevity

Class MonitorUtils

java.lang.Object

org.apache.brooklyn.qa.longevity.MonitorUtils

public class MonitorUtils
extends java.lang.Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	MonitorUtils.MemoryUsage
static class	MonitorUtils.ProcessHasStderr

Constructor Summary

Constructors

Constructor and Description
MonitorUtils()

Method Summary

Modifier and Type	Method and Description
static java.lang.Process	exec(java.lang.String cmd)
static int	findOwnPid()
static MonitorUtils.MemoryUsage	getMemoryUsage(int pid)
static MonitorUtils.MemoryUsage	getMemoryUsage(int pid, java.lang.String clazzRegexOfInterest, int minInstancesOfInterest)
static java.util.List<java.lang.Integer>	getRunningPids(java.lang.String regex)
static java.util.List<java.lang.Integer>	getRunningPids(java.lang.String regex, java.lang.String excludingRegex) Confirm the given pid is running, and that the the process matches the given regex.
static boolean	isPidRunning(int pid)
static boolean	isPidRunning(int pid, java.lang.String regex) Confirm the given pid is running, and that the the process matches the given regex.
static boolean	isUrlUp(java.net.URL url) Confirm can read from URL.
static java.util.List<java.lang.String>	searchLog(java.io.File file, java.lang.String grepOfInterest)
static java.util.List<java.lang.String>	searchLog(java.io.File file, java.lang.String grepOfInterest, java.util.Set<java.lang.String> grepExclusions) Find lines in the given file that match given given regex.
static java.lang.String	waitFor(java.lang.Process process) Waits for the given process to complete, consuming its stdout and returning it as a string.

Methods inherited from class java.lang.Object

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

Constructor Detail

MonitorUtils

public MonitorUtils()

Method Detail

isUrlUp

public static boolean isUrlUp(java.net.URL url)

Confirm can read from URL.

Parameters:

url -

isPidRunning

public static boolean isPidRunning(int pid)

isPidRunning

public static boolean isPidRunning(int pid,
                                   java.lang.String regex)

Confirm the given pid is running, and that the the process matches the given regex.

Parameters:

pid -

regex -

getRunningPids

public static java.util.List<java.lang.Integer> getRunningPids(java.lang.String regex)

getRunningPids

public static java.util.List<java.lang.Integer> getRunningPids(java.lang.String regex,
                                                               java.lang.String excludingRegex)

Confirm the given pid is running, and that the the process matches the given regex.

Parameters:

regex -

excludingRegex -

getMemoryUsage

public static MonitorUtils.MemoryUsage getMemoryUsage(int pid)

getMemoryUsage

public static MonitorUtils.MemoryUsage getMemoryUsage(int pid,
                                                      java.lang.String clazzRegexOfInterest,
                                                      int minInstancesOfInterest)

Parameters:

pid -

searchLog

public static java.util.List<java.lang.String> searchLog(java.io.File file,
                                                         java.lang.String grepOfInterest)

searchLog

public static java.util.List<java.lang.String> searchLog(java.io.File file,
                                                         java.lang.String grepOfInterest,
                                                         java.util.Set<java.lang.String> grepExclusions)

Find lines in the given file that match given given regex.

Parameters:

file -

grepOfInterest -

exec

public static java.lang.Process exec(java.lang.String cmd)

waitFor

public static java.lang.String waitFor(java.lang.Process process)

Waits for the given process to complete, consuming its stdout and returning it as a string. If there is any output on stderr an exception will be thrown.

findOwnPid

public static int findOwnPid()
                      throws java.io.IOException

Throws:

java.io.IOException