net.i2p.addressbook

Class HostChecker

java.lang.Object

net.i2p.addressbook.HostChecker

public class HostChecker
extends Object

Ping tester for address book entries. Tests I2P destinations for reachability and stores results.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	HostChecker.PingResult Ping result data structure containing the outcome of a host reachability test.

Constructor Summary

Constructors

Constructor and Description
HostChecker() Construct a HostChecker that uses the default naming service This works with the blockfile format (hostsdb.blockfile)
HostChecker(NamingService namingService) Construct a HostChecker for given naming service

Method Summary

Modifier and Type	Method and Description
Map<String,String>	getAllCategories() Get all host categories
Map<String,HostChecker.PingResult>	getAllPingResults() Get all ping results
String	getCategory(String hostname) Get category for a hostname
String	getCategoryDescription(String category) Get description for a category
HostChecker.PingResult	getPingResult(String hostname) Get ping result for a hostname
boolean	getUseLeaseSetCheck() Get whether to use LeaseSet checking
boolean	isDefensiveMode() Get defensive mode status
boolean	isRunning() Check if ping tester is running
static void	main(String[] args) Test method
void	setUseLeaseSetCheck(boolean useLeaseSetCheck) Set whether to use LeaseSet checking
void	start() Start periodic ping testing
void	stop() Stop periodic ping testing
HostChecker.PingResult	testDestination(String hostname) Test a single destination immediately If LeaseSet lookup succeeds, we don't overwrite the result with failed ping/eephead

Methods inherited from class java.lang.Object

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

Constructor Detail

HostChecker

public HostChecker()

Construct a HostChecker that uses the default naming service This works with the blockfile format (hostsdb.blockfile)

HostChecker

public HostChecker(NamingService namingService)

Construct a HostChecker for given naming service

Parameters:

namingService - naming service to test entries from

Method Detail

getAllCategories

public Map<String,String> getAllCategories()

Get all host categories

getAllPingResults

public Map<String,HostChecker.PingResult> getAllPingResults()

Get all ping results

Returns:

map of hostname to ping result

getCategory

public String getCategory(String hostname)

Get category for a hostname

getCategoryDescription

public String getCategoryDescription(String category)

Get description for a category

Parameters:

category - the category name

Returns:

the category description, or the category itself if unknown

getPingResult

public HostChecker.PingResult getPingResult(String hostname)

Get ping result for a hostname

Parameters:

hostname - hostname

Returns:

ping result, or null if no test has been performed

getUseLeaseSetCheck

public boolean getUseLeaseSetCheck()

Get whether to use LeaseSet checking

Returns:

true if LeaseSet checking is enabled

isDefensiveMode

public boolean isDefensiveMode()

Get defensive mode status

Returns:

true if defensive mode is active

isRunning

public boolean isRunning()

Check if ping tester is running

Returns:

true if running

main

public static void main(String[] args)
                 throws Exception

Test method

Throws:

Exception

setUseLeaseSetCheck

public void setUseLeaseSetCheck(boolean useLeaseSetCheck)

Set whether to use LeaseSet checking

Parameters:

useLeaseSetCheck - true to use LeaseSet lookup first

start

public void start()

Start periodic ping testing

stop

public void stop()

Stop periodic ping testing

testDestination

public HostChecker.PingResult testDestination(String hostname)

Test a single destination immediately If LeaseSet lookup succeeds, we don't overwrite the result with failed ping/eephead

Parameters:

hostname - hostname to test

Returns:

ping result