Class SocketServer

java.lang.Object

com.biglybt.ui.telnet.SocketServer

All Implemented Interfaces:

Runnable

final class SocketServer
extends Object
implements Runnable

this class is used to receive incoming connections for the telnet UI and then authenticate and create a console session for the connection

Field Summary

Fields

Modifier and Type	Field	Description
private final Set	allowedHosts
private final int	maxLoginAttempts
private final ServerSocket	serverSocket
private final UI	ui
private final UserManager	userManager

Constructor Summary

Constructors

Constructor	Description
SocketServer(UI ui, int port, Set allowedHosts, UserManager userManager, int maxLoginAttempts)

Method Summary

Modifier and Type	Method	Description
private boolean	checkHost(String hostName)	compare the specified host (might be a hostname or an IP - dont really care) and see if it is a match against one of the allowed hosts
private boolean	isAllowed(InetSocketAddress addr)	check that the specified host/ip is allowed
private UserProfile	login(InputStream in, OutputStream out)	if usermanager is null (ie: multi user is not enabled), returns the default user profile otherwise, requests username and password and authenticates user before returning the user profile for this user
void	run()	start up the server socket and when a new connection is received, check that the source address is in our permitted list and if so, start a new console input on that socket.

Methods inherited from class Object

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

Field Details

serverSocket

private final ServerSocket serverSocket

allowedHosts

private final Set allowedHosts

maxLoginAttempts

private final int maxLoginAttempts

userManager

private final UserManager userManager

ui

private final UI ui

Constructor Details

SocketServer

public SocketServer(UI ui,
 int port,
 Set allowedHosts,
 UserManager userManager,
 int maxLoginAttempts)
             throws IOException

Throws:

IOException

Method Details

run

public void run()

start up the server socket and when a new connection is received, check that the source address is in our permitted list and if so, start a new console input on that socket.

Specified by:

run in interface Runnable

login

private UserProfile login(InputStream in,
 OutputStream out)
                   throws IOException

if usermanager is null (ie: multi user is not enabled), returns the default user profile otherwise, requests username and password and authenticates user before returning the user profile for this user

Parameters:

in - input stream to read from

out - stream to write messages to

Returns:

username if login was successful, null otherwise

Throws:

IOException

isAllowed

private boolean isAllowed(InetSocketAddress addr)

check that the specified host/ip is allowed

Parameters:

addr -

Returns:

checkHost

private boolean checkHost(String hostName)

compare the specified host (might be a hostname or an IP - dont really care) and see if it is a match against one of the allowed hosts

Parameters:

hostName -

Returns:

true if this hostname matches one in our allowed hosts