RISE-V2G/RISE-V2G-EVCC/src/main/java/com/v2gclarity/risev2g/evcc/states/WaitForSessionSetupRes.java

90 lines
4.5 KiB
Java

/*******************************************************************************
* The MIT License (MIT)
*
* Copyright 2017 Dr.-Ing. Marc Mültin (V2G Clarity)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*******************************************************************************/
package com.v2gclarity.risev2g.evcc.states;
import com.v2gclarity.risev2g.evcc.session.V2GCommunicationSessionEVCC;
import com.v2gclarity.risev2g.shared.enumerations.V2GMessages;
import com.v2gclarity.risev2g.shared.messageHandling.ReactionToIncomingMessage;
import com.v2gclarity.risev2g.shared.messageHandling.TerminateSession;
import com.v2gclarity.risev2g.shared.utils.ByteUtils;
import com.v2gclarity.risev2g.shared.v2gMessages.msgDef.ResponseCodeType;
import com.v2gclarity.risev2g.shared.v2gMessages.msgDef.ServiceDiscoveryReqType;
import com.v2gclarity.risev2g.shared.v2gMessages.msgDef.SessionSetupResType;
import com.v2gclarity.risev2g.shared.v2gMessages.msgDef.V2GMessage;
public class WaitForSessionSetupRes extends ClientState {
public WaitForSessionSetupRes(V2GCommunicationSessionEVCC commSessionContext) {
super(commSessionContext);
}
@Override
public ReactionToIncomingMessage processIncomingMessage(Object message) {
if (isIncomingMessageValid(message, SessionSetupResType.class)) {
byte[] receivedSessionID = ((V2GMessage) message).getHeader().getSessionID();
SessionSetupResType sessionSetupRes =
(SessionSetupResType) ((V2GMessage) message).getBody().getBodyElement().getValue();
if (sessionSetupRes.getResponseCode().equals(ResponseCodeType.OK_NEW_SESSION_ESTABLISHED)) {
getCommSessionContext().setSessionID(receivedSessionID);
getLogger().debug("Negotiated session ID is " + ByteUtils.toLongFromByteArray(receivedSessionID));
getCommSessionContext().setOldSessionJoined(false);
getCommSessionContext().setEvseID(sessionSetupRes.getEVSEID());
// EVSETimeStamp is optional
if (sessionSetupRes.getEVSETimeStamp() != null) getCommSessionContext().setEvseTimeStamp(sessionSetupRes.getEVSETimeStamp());
} else if (sessionSetupRes.getResponseCode().equals(ResponseCodeType.OK_OLD_SESSION_JOINED)) {
getLogger().debug("Previous charging session joined (session ID = " + ByteUtils.toLongFromByteArray(receivedSessionID) + ")");
/*
* Mark that the old session was joined in order to resend
* - SelectedPaymentOption and
* - RequestedEnergyTransferMode
* according to 8.4.2. Those values should be persisted in the properties file.
*/
getCommSessionContext().setOldSessionJoined(true);
getCommSessionContext().setEvseID(sessionSetupRes.getEVSEID());
getCommSessionContext().setEvseTimeStamp(sessionSetupRes.getEVSETimeStamp());
} else {
getCommSessionContext().setOldSessionJoined(false);
getLogger().error("No negative response code received, but positive response code '" +
sessionSetupRes.getResponseCode().toString() + "' is " +
"neither OK_NEW_SESSION_ESTABLISHED nor OK_OLD_SESSION_JOINED");
return new TerminateSession("Positive response code invalid in state WaitForSessionSetupRes");
}
ServiceDiscoveryReqType serviceDiscoveryReq = new ServiceDiscoveryReqType();
/*
* If it is desired to restrict the services to a certain scope and/or category (optional),
* then this is the place to do it.
*/
return getSendMessage(serviceDiscoveryReq, V2GMessages.SERVICE_DISCOVERY_RES);
} else {
getCommSessionContext().setOldSessionJoined(false);
return new TerminateSession("Incoming message raised an error");
}
}
}