com.veraxsystems.vxipmi.sm.states.AuthcapWaiting Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of vxIPMI Show documentation
The newest version!
/*
 * AuthcapWaiting.java 
 * Created on 2011-08-22
 *
 * Copyright (c) Verax Systems 2011.
 * All rights reserved.
 *
 * This software is furnished under a license. Use, duplication,
 * disclosure and all other uses are restricted to the rights
 * specified in the written license agreement.
 */
package com.veraxsystems.vxipmi.sm.states;

import com.veraxsystems.vxipmi.coding.commands.session.GetChannelAuthenticationCapabilities;
import com.veraxsystems.vxipmi.coding.payload.lan.IpmiLanResponse;
import com.veraxsystems.vxipmi.coding.protocol.AuthenticationType;
import com.veraxsystems.vxipmi.coding.protocol.IpmiMessage;
import com.veraxsystems.vxipmi.coding.protocol.decoder.ProtocolDecoder;
import com.veraxsystems.vxipmi.coding.protocol.decoder.Protocolv15Decoder;
import com.veraxsystems.vxipmi.coding.rmcp.RmcpMessage;
import com.veraxsystems.vxipmi.common.TypeConverter;
import com.veraxsystems.vxipmi.sm.StateMachine;
import com.veraxsystems.vxipmi.sm.actions.ErrorAction;
import com.veraxsystems.vxipmi.sm.actions.ResponseAction;
import com.veraxsystems.vxipmi.sm.events.AuthenticationCapabilitiesReceived;
import com.veraxsystems.vxipmi.sm.events.StateMachineEvent;
import com.veraxsystems.vxipmi.sm.events.Timeout;

/**
 * Waiting for the {@link GetChannelAuthenticationCapabilities} response.
 * Transition to:
 * 
 *    {@link Ciphers} on {@link Timeout}
 *    {@link Authcap} on {@link AuthenticationCapabilitiesReceived}.
 * 
 */
public class AuthcapWaiting extends State {

    private int tag;

    public AuthcapWaiting(int tag) {
        this.tag = tag;
    }

    @Override
    public void doTransition(StateMachine stateMachine,
            StateMachineEvent machineEvent) {
        if (machineEvent instanceof Timeout) {
            stateMachine.setCurrent(new Ciphers());
        } else if (machineEvent instanceof AuthenticationCapabilitiesReceived) {
            stateMachine.setCurrent(new Authcap());
        } else {
            stateMachine.doExternalAction(new ErrorAction(
                    new IllegalArgumentException("Invalid transition")));
        }
    }

    @Override
    public void doAction(StateMachine stateMachine, RmcpMessage message) {
        if (ProtocolDecoder.decodeAuthenticationType(message) == AuthenticationType.RMCPPlus) {
            return; // this isn't IPMI v1.5 message so we ignore it
        }
        Protocolv15Decoder decoder = new Protocolv15Decoder();
        IpmiMessage ipmiMessage = null;
        try {
            ipmiMessage = decoder.decode(message);
            GetChannelAuthenticationCapabilities capabilities = new GetChannelAuthenticationCapabilities();
            if (capabilities.isCommandResponse(ipmiMessage)
                    && TypeConverter.byteToInt(((IpmiLanResponse) ipmiMessage
                            .getPayload()).getSequenceNumber()) == tag) {
                stateMachine.doExternalAction(new ResponseAction(capabilities
                        .getResponseData(ipmiMessage)));
            }
        } catch (Exception e) {
            stateMachine.doExternalAction(new ErrorAction(e));
        }
    }

}