anon.mixminion
Class FirstMMRConnection

java.lang.Object
  anon.mixminion.FirstMMRConnection

public class FirstMMRConnection
extends java.lang.Object

Author:

Christin Wolfram

Field Summary

private boolean	m_bIsClosed
private int	m_blocksize
private MMRDescription	m_description
private long	m_inittimeout
private java.io.InputStream	m_istream
private Mixminion	m_Mixminion
private java.io.OutputStream	m_ostream
private java.lang.String	m_protocol
private TinyTLS	m_tinyTLS
private static java.lang.String	OP_NAME

Constructor Summary

FirstMMRConnection(MMRDescription d, Mixminion a_Mixminion)
constructor creates a FOR from the description

Method Summary

void	close() closes the connection to the router
void	connect() connects to the First MixminionRouter (MMR)
private void	createClientCert() create client certificate for TinyTLS-connection
MMRDescription	getMMRDescription() returns the description of the onion router
boolean	isClosed() check if the connection to the first onion router is closed
private boolean	receive(byte[] message, java.lang.String type) check answer from server and message-hash possibel answers: RECEIVE, REJECTED
boolean	send(byte[] message) connects to first MMR, sends a Message-packet and closes the connection
private boolean	sending(byte[] send, java.lang.String sendtype) sends a packet
boolean	sendJunk() sends a Junk-packet
boolean	sendMessage(byte[] message) sends a Message-packet

Methods inherited from class java.lang.Object

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

Field Detail

OP_NAME

private static java.lang.String OP_NAME

m_tinyTLS

private TinyTLS m_tinyTLS

m_description

private MMRDescription m_description

m_istream

private java.io.InputStream m_istream

m_ostream

private java.io.OutputStream m_ostream

m_protocol

private java.lang.String m_protocol

m_bIsClosed

private boolean m_bIsClosed

m_inittimeout

private long m_inittimeout

m_Mixminion

private Mixminion m_Mixminion

m_blocksize

private int m_blocksize

Constructor Detail

FirstMMRConnection

public FirstMMRConnection(MMRDescription d,
                          Mixminion a_Mixminion)

constructor creates a FOR from the description

Parameters:

d - description of the mixminion router

a_Mixminion - a Mixminion instance

Method Detail

getMMRDescription

public MMRDescription getMMRDescription()

returns the description of the onion router

Returns:

OR description

isClosed

public boolean isClosed()

check if the connection to the first onion router is closed

Returns:

sending

private boolean sending(byte[] send,
                        java.lang.String sendtype)
                 throws java.io.IOException

sends a packet

Parameters:

send - 32k message as byte array

sendtype - type of Packet - "Junk" or normal "SEND"

Returns:

success of packet-transmission

Throws:

java.io.IOException

send

public boolean send(byte[] message)
             throws java.io.IOException

connects to first MMR, sends a Message-packet and closes the connection

Parameters:

send - 32k message as byte array

Returns:

success of packet-transmission

Throws:

java.io.IOException

sendMessage

public boolean sendMessage(byte[] message)
                    throws java.io.IOException

sends a Message-packet

Parameters:

send - 32k message as byte array

Returns:

success of packet-transmission

Throws:

java.io.IOException

sendJunk

public boolean sendJunk()
                 throws java.io.IOException

sends a Junk-packet

Returns:

success of packet-transmission

Throws:

java.io.IOException

receive

private boolean receive(byte[] message,
                        java.lang.String type)

check answer from server and message-hash possibel answers: RECEIVE, REJECTED

Parameters:

message - 32k Message

type - "RECEIVED JUNK" or "RECEIVED"

Returns:

success of packet-transmission

createClientCert

private void createClientCert()

create client certificate for TinyTLS-connection

connect

public void connect()
             throws java.lang.Exception

connects to the First MixminionRouter (MMR)

Throws:

java.lang.Exception

close

public void close()

closes the connection to the router