com.bea.wcp.diameter

Class PeerState

java.lang.Object

com.bea.wcp.diameter.State

com.bea.wcp.diameter.PeerState

public class PeerState
extends State

Diameter peer state machine.

Author:

Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.

Field Summary

Fields

Modifier and Type	Field and Description
static PeerState	CLOSED STATE EVENT ACTION NEXT STATE ----------------------------------------------------------------- Closed Start* I-Snd-Conn-Req Wait-Conn-Ack R-Conn-CER R-Accept, R-Open Process-CER, R-Snd-CEA
static PeerState	CLOSING STATE EVENT ACTION NEXT STATE ----------------------------------------------------------------- Closing I-Rcv-DPA I-Disc Closed R-Rcv-DPA R-Disc Closed Timeout Error Closed I-Peer-Disc I-Disc Closed R-Peer-Disc R-Disc Closed
static PeerState	I_HANDSHAKE STATE EVENT ACTION NEXT STATE ----------------------------------------------------------------- I-Handshake I-Rcv-Hnd-Ack I-Open I-Rcv-Hnd-Nack Cleanup Closed Timeout Error Closed
static PeerState	I_OPEN STATE EVENT ACTION NEXT STATE ----------------------------------------------------------------- I-Open Send-Message* I-Snd-Message I-Open I-Rcv-Message Process I-Open I-Rcv-DWR Process-DWR, I-Open I-Snd-DWA I-Rcv-DWA Process-DWA I-Open R-Conn-CER R-Reject I-Open Stop* I-Snd-DPR Closing I-Rcv-DPR I-Snd-DPA, Closed I-Disc I-Peer-Disc I-Disc Closed I-Rcv-CER I-Snd-CEA I-Open I-Rcv-CEA Process-CEA I-Open
static PeerState	R_HANDSHAKE STATE EVENT ACTION NEXT STATE ----------------------------------------------------------------- R-Handshake I-Rcv-Hnd-Ack R-Open I-Rcv-Hnd-Nack Cleanup Closed Timeout Error Closed
static PeerState	R_OPEN STATE EVENT ACTION NEXT STATE ----------------------------------------------------------------- R-Open Send-Message* R-Snd-Message R-Open R-Rcv-Message Process R-Open R-Rcv-DWR Process-DWR, R-Open R-Snd-DWA R-Rcv-DWA Process-DWA R-Open R-Conn-CER R-Reject R-Open Stop* R-Snd-DPR Closing R-Rcv-DPR R-Snd-DPA, Closed R-Disc R-Peer-Disc R-Disc Closed R-Rcv-CER R-Snd-CEA R-Open R-Rcv-CEA Process-CEA R-Open
static PeerState	WAIT_CONN_ACK STATE EVENT ACTION NEXT STATE ----------------------------------------------------------------- Wait-Conn-Ack I-Rcv-Conn-Ack I-Snd-CER Wait-I-CEA I-Rcv-Conn-Nack Cleanup Closed R-Conn-CER R-Accept, Wait-Conn-Ack/ Process-CER Elect Timeout Error Closed
static PeerState	WAIT_CONN_ACK_ELECT STATE EVENT ACTION NEXT STATE ----------------------------------------------------------------- Wait-Conn-Ack/ I-Rcv-Conn-Ack I-Snd-CER,Elect Wait-Returns* Elect I-Rcv-Conn-Nack R-Snd-CEA R-Open R-Peer-Disc R-Disc Wait-Conn-Ack R-Conn-CER R-Reject Wait-Conn-Ack/ Elect Timeout Error Closed
static PeerState	WAIT_I_CEA STATE EVENT ACTION NEXT STATE ----------------------------------------------------------------- Wait-I-CEA I-Rcv-CEA Process-CEA I-Open R-Conn-CER R-Accept, Wait-Returns Process-CER, Elect I-Peer-Disc I-Disc Closed I-Rcv-Non-CEA Error Closed Timeout Error Closed
static PeerState	WAIT_RETURNS STATE EVENT ACTION NEXT STATE ----------------------------------------------------------------- Wait-Returns Win-Election* I-Disc,R-Snd-CEA R-Open I-Peer-Disc I-Disc, R-Open R-Snd-CEA I-Rcv-CEA R-Disc I-Open R-Peer-Disc R-Disc Wait-I-CEA R-Conn-CER R-Reject Wait-Returns Timeout Error Closed

Constructor Summary

Constructors

Constructor and Description
PeerState(String name)

Method Summary

Modifier and Type	Method and Description
void	connCER(Peer p, Peer.CER m)
void	iPeerDisc(Peer p)
void	rcvCEA(Peer p, Peer.CEA m)
void	rcvCER(Peer p, Peer.CER m)
void	rcvConnAck(Peer p, com.bea.wcp.diameter.transport.Connection c)
void	rcvConnNack(Peer p)
void	rcvHndAck(Peer p)
void	rcvHndNack(Peer p)
void	rPeerDisc(Peer p)

Methods inherited from class com.bea.wcp.diameter.State

toString

Methods inherited from class java.lang.Object

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

Field Detail

CLOSED

public static final PeerState CLOSED

 STATE            EVENT            ACTION           NEXT STATE
 -----------------------------------------------------------------
 Closed           Start*           I-Snd-Conn-Req   Wait-Conn-Ack
                  R-Conn-CER       R-Accept,        R-Open
                                   Process-CER,
                                   R-Snd-CEA
 

WAIT_CONN_ACK

public static final PeerState WAIT_CONN_ACK

 STATE            EVENT            ACTION           NEXT STATE
 -----------------------------------------------------------------
 Wait-Conn-Ack    I-Rcv-Conn-Ack   I-Snd-CER        Wait-I-CEA
                  I-Rcv-Conn-Nack  Cleanup          Closed
                  R-Conn-CER       R-Accept,        Wait-Conn-Ack/
                                   Process-CER      Elect
                  Timeout          Error            Closed
 

WAIT_I_CEA

public static final PeerState WAIT_I_CEA

 STATE            EVENT            ACTION           NEXT STATE
 -----------------------------------------------------------------
 Wait-I-CEA       I-Rcv-CEA        Process-CEA      I-Open
                  R-Conn-CER       R-Accept,        Wait-Returns
                                   Process-CER,
                                   Elect
                  I-Peer-Disc      I-Disc           Closed
                  I-Rcv-Non-CEA    Error            Closed
                  Timeout          Error            Closed
 

WAIT_CONN_ACK_ELECT

public static final PeerState WAIT_CONN_ACK_ELECT

 STATE            EVENT            ACTION           NEXT STATE
 -----------------------------------------------------------------
 Wait-Conn-Ack/   I-Rcv-Conn-Ack   I-Snd-CER,Elect  Wait-Returns*
 Elect            I-Rcv-Conn-Nack  R-Snd-CEA        R-Open
                  R-Peer-Disc      R-Disc           Wait-Conn-Ack
                  R-Conn-CER       R-Reject         Wait-Conn-Ack/
                                                    Elect
                  Timeout          Error            Closed
 

(*) NOTE: Wait-Returns->Win-Election handled directly by peer

WAIT_RETURNS

public static final PeerState WAIT_RETURNS

 STATE            EVENT            ACTION           NEXT STATE
 -----------------------------------------------------------------
 Wait-Returns     Win-Election*    I-Disc,R-Snd-CEA R-Open
                  I-Peer-Disc      I-Disc,          R-Open
                                   R-Snd-CEA
                  I-Rcv-CEA        R-Disc           I-Open
                  R-Peer-Disc      R-Disc           Wait-I-CEA
                  R-Conn-CER       R-Reject         Wait-Returns
                  Timeout          Error            Closed
 

(*) NOTE: Win-Election handled in Wait-Conn-Ack/Elect

R_HANDSHAKE

public static final PeerState R_HANDSHAKE

 STATE            EVENT            ACTION           NEXT STATE
 -----------------------------------------------------------------
 R-Handshake      I-Rcv-Hnd-Ack                     R-Open
                  I-Rcv-Hnd-Nack   Cleanup          Closed
                  Timeout          Error            Closed
 

I_HANDSHAKE

public static final PeerState I_HANDSHAKE

 STATE            EVENT            ACTION           NEXT STATE
 -----------------------------------------------------------------
 I-Handshake      I-Rcv-Hnd-Ack                     I-Open
                  I-Rcv-Hnd-Nack   Cleanup          Closed
                  Timeout          Error            Closed
 

R_OPEN

public static final PeerState R_OPEN

 STATE            EVENT            ACTION           NEXT STATE
 -----------------------------------------------------------------
 R-Open           Send-Message*    R-Snd-Message    R-Open
                  R-Rcv-Message    Process          R-Open
                  R-Rcv-DWR        Process-DWR,     R-Open
                                   R-Snd-DWA
                  R-Rcv-DWA        Process-DWA      R-Open
                  R-Conn-CER       R-Reject         R-Open
                  Stop*            R-Snd-DPR        Closing
                  R-Rcv-DPR        R-Snd-DPA,       Closed
                                   R-Disc
                  R-Peer-Disc      R-Disc           Closed
                  R-Rcv-CER        R-Snd-CEA        R-Open
                  R-Rcv-CEA        Process-CEA      R-Open
 

NOTE: The handling for R-Rcv-DPR is incorrect. According to RFC 3588 the peer who receives the DPA should disconnect the transport connection, not the recepient of the DPR.
NOTE: (*) Action handled directly by peer

I_OPEN

public static final PeerState I_OPEN

 STATE            EVENT            ACTION           NEXT STATE
 -----------------------------------------------------------------
 I-Open           Send-Message*    I-Snd-Message    I-Open
                  I-Rcv-Message    Process          I-Open
                  I-Rcv-DWR        Process-DWR,     I-Open
                                   I-Snd-DWA
                  I-Rcv-DWA        Process-DWA      I-Open
                  R-Conn-CER       R-Reject         I-Open
                  Stop*            I-Snd-DPR        Closing
                  I-Rcv-DPR        I-Snd-DPA,       Closed
                                   I-Disc
                  I-Peer-Disc      I-Disc           Closed
                  I-Rcv-CER        I-Snd-CEA        I-Open
                  I-Rcv-CEA        Process-CEA      I-Open
 

NOTE: The handling for I-Rcv-DPR is incorrect. According to RFC 3588 the peer who receives the DPA should disconnect the transport connection, not the recepient of the DPR.
NOTE: (*) Action handled directly by peer

CLOSING

public static final PeerState CLOSING

 STATE            EVENT            ACTION           NEXT STATE
 -----------------------------------------------------------------
 Closing          I-Rcv-DPA        I-Disc           Closed
                  R-Rcv-DPA        R-Disc           Closed
                  Timeout          Error            Closed
                  I-Peer-Disc      I-Disc           Closed
                  R-Peer-Disc      R-Disc           Closed
 

Constructor Detail

PeerState

public PeerState(String name)

Method Detail

connCER

public void connCER(Peer p,
                    Peer.CER m)
             throws IOException

Throws:

IOException

rcvConnAck

public void rcvConnAck(Peer p,
                       com.bea.wcp.diameter.transport.Connection c)
                throws IOException

Throws:

IOException

rcvConnNack

public void rcvConnNack(Peer p)
                 throws IOException

Throws:

IOException

rcvCER

public void rcvCER(Peer p,
                   Peer.CER m)
            throws IOException

Throws:

IOException

rcvCEA

public void rcvCEA(Peer p,
                   Peer.CEA m)
            throws IOException

Throws:

IOException

iPeerDisc

public void iPeerDisc(Peer p)
               throws IOException

Throws:

IOException

rPeerDisc

public void rPeerDisc(Peer p)
               throws IOException

Throws:

IOException

rcvHndAck

public void rcvHndAck(Peer p)

rcvHndNack

public void rcvHndNack(Peer p)