108 lines
5.2 KiB
Java
108 lines
5.2 KiB
Java
/*******************************************************************************
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* The MIT License (MIT)
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*
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* Copyright 2017 Dr.-Ing. Marc Mültin (V2G Clarity)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*******************************************************************************/
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package com.v2gclarity.risev2g.evcc.states;
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import java.util.concurrent.TimeUnit;
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import com.v2gclarity.risev2g.evcc.session.V2GCommunicationSessionEVCC;
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import com.v2gclarity.risev2g.shared.enumerations.V2GMessages;
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import com.v2gclarity.risev2g.shared.messageHandling.ReactionToIncomingMessage;
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import com.v2gclarity.risev2g.shared.messageHandling.TerminateSession;
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import com.v2gclarity.risev2g.shared.misc.TimeRestrictions;
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import com.v2gclarity.risev2g.shared.utils.MiscUtils;
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import com.v2gclarity.risev2g.shared.v2gMessages.appProtocol.AppProtocolType;
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import com.v2gclarity.risev2g.shared.v2gMessages.appProtocol.ResponseCodeType;
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import com.v2gclarity.risev2g.shared.v2gMessages.appProtocol.SupportedAppProtocolRes;
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import com.v2gclarity.risev2g.shared.v2gMessages.msgDef.SessionSetupReqType;
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public class WaitForSupportedAppProtocolRes extends ClientState {
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public WaitForSupportedAppProtocolRes(V2GCommunicationSessionEVCC commSessionContext) {
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super(commSessionContext);
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}
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@Override
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public ReactionToIncomingMessage processIncomingMessage(Object message) {
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if (message instanceof SupportedAppProtocolRes) {
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getLogger().debug("SupportedAppProtocolRes received");
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SupportedAppProtocolRes supportedAppProtocolRes = (SupportedAppProtocolRes) message;
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SessionSetupReqType sessionSetupReq = new SessionSetupReqType();
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boolean match = false;
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if (supportedAppProtocolRes.getResponseCode().equals(ResponseCodeType.OK_SUCCESSFUL_NEGOTIATION) ||
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supportedAppProtocolRes.getResponseCode().equals(ResponseCodeType.OK_SUCCESSFUL_NEGOTIATION_WITH_MINOR_DEVIATION)) {
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// Check which schemaID is to be chosen
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for (AppProtocolType evccAppProtocol : getCommSessionContext().getSupportedAppProtocols()) {
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if (evccAppProtocol.getSchemaID() == supportedAppProtocolRes.getSchemaID()) {
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/*
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* If the EVCC supports more than one appProtocol or even minor deviations,
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* then the EVCC must in some way be able to react accordingly to those different
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* versions. Currently, only IS version of April 2014 is supported (see [V2G2-098]).
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*/
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getCommSessionContext().setChosenAppProtocol(evccAppProtocol);
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match = true;
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break;
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}
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}
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} else {
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return new TerminateSession("No supported appProtocol found (negative response code)");
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}
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// Double check if - despite an OK_ response code - a valid schemaID has been sent
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if (match) {
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sessionSetupReq.setEVCCID(MiscUtils.getMacAddress());
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/*
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* The session ID is taken from the properties file. If a previous charging session has been
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* paused, then the previously valid session ID has been written to the properties file
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* in order persist the value when the ISO/IEC 15118 controller is shut down for energy
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* saving reasons.
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* The initial value for a completely new charging session must be 0.
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*/
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long sessionID = (long) MiscUtils.getPropertyValue("session.id");
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getCommSessionContext().setSessionID(
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getCommSessionContext().generateSessionIDFromValue(sessionID)
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);
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} else {
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return new TerminateSession("No supported appProtocol found (positive response code received, " +
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"but no valid schemaID. Received schema ID is: " +
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supportedAppProtocolRes.getSchemaID());
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}
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long elapsedTime = System.nanoTime() - getCommSessionContext().getV2gEVCCCommunicationSetupTimer();
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long elapsedTimeInMs = TimeUnit.MILLISECONDS.convert(elapsedTime, TimeUnit.NANOSECONDS);
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return getSendMessage(sessionSetupReq, V2GMessages.SESSION_SETUP_RES, (int) Math.min(
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TimeRestrictions.getV2gEvccMsgTimeout(V2GMessages.SESSION_SETUP_RES),
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TimeRestrictions.V2G_EVCC_COMMUNICATION_SETUP_TIMEOUT - elapsedTimeInMs
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));
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} else {
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String className = (message != null) ? message.getClass().getSimpleName() : "<unkown message type>";
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return new TerminateSession("Invalid message (" + className + ") at this state (" + this.getClass().getSimpleName() + ")");
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}
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}
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}
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