Introduce PodStateManager
This commit is contained in:
Bart Sopers
parent
80e8d094df
commit
ffb518f50f
2 changed files with 664 additions and 0 deletions
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package info.nightscout.androidaps.plugins.pump.omnipod.defs.state;
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import org.joda.time.DateTime;
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import org.joda.time.DateTimeZone;
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import org.joda.time.Duration;
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import info.nightscout.androidaps.plugins.pump.omnipod.comm.message.response.StatusResponse;
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import info.nightscout.androidaps.plugins.pump.omnipod.comm.message.response.podinfo.PodInfoFaultEvent;
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import info.nightscout.androidaps.plugins.pump.omnipod.defs.AlertSet;
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import info.nightscout.androidaps.plugins.pump.omnipod.defs.AlertSlot;
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import info.nightscout.androidaps.plugins.pump.omnipod.defs.AlertType;
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import info.nightscout.androidaps.plugins.pump.omnipod.defs.DeliveryStatus;
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import info.nightscout.androidaps.plugins.pump.omnipod.defs.FirmwareVersion;
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import info.nightscout.androidaps.plugins.pump.omnipod.defs.SetupProgress;
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import info.nightscout.androidaps.plugins.pump.omnipod.defs.schedule.BasalSchedule;
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public interface PodStateManager {
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boolean hasState();
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void removeState();
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boolean isPaired();
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public int getAddress();
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public int getMessageNumber();
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public void setMessageNumber(int messageNumber);
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public int getPacketNumber();
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public void setPacketNumber(int packetNumber);
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public void increaseMessageNumber();
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public void increasePacketNumber();
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void resyncNonce(int syncWord, int sentNonce, int sequenceNumber);
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int getCurrentNonce();
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void advanceToNextNonce();
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public boolean hasFaultEvent();
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public PodInfoFaultEvent getFaultEvent();
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public void setFaultEvent(PodInfoFaultEvent faultEvent);
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AlertType getConfiguredAlertType(AlertSlot alertSlot);
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void putConfiguredAlert(AlertSlot alertSlot, AlertType alertType);
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void removeConfiguredAlert(AlertSlot alertSlot);
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boolean hasActiveAlerts();
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AlertSet getActiveAlerts();
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Integer getLot();
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Integer getTid();
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FirmwareVersion getPiVersion();
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FirmwareVersion getPmVersion();
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DateTimeZone getTimeZone();
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void setTimeZone(DateTimeZone timeZone);
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DateTime getTime();
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DateTime getActivatedAt();
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DateTime getExpiresAt();
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String getExpiryDateAsString();
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SetupProgress getSetupProgress();
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void setSetupProgress(SetupProgress setupProgress);
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boolean isSuspended();
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Double getReservoirLevel();
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Duration getScheduleOffset();
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BasalSchedule getBasalSchedule();
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void setBasalSchedule(BasalSchedule basalSchedule);
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DeliveryStatus getLastDeliveryStatus();
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void updateFromStatusResponse(StatusResponse statusResponse);
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}
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package info.nightscout.androidaps.plugins.pump.omnipod.driver.comm;
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import com.google.gson.Gson;
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import org.apache.commons.lang3.StringUtils;
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import org.joda.time.DateTime;
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import org.joda.time.DateTimeZone;
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import org.joda.time.Duration;
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import java.util.Arrays;
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import java.util.HashMap;
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import java.util.Map;
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import info.nightscout.androidaps.logging.AAPSLogger;
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import info.nightscout.androidaps.logging.LTag;
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import info.nightscout.androidaps.plugins.pump.omnipod.comm.message.response.StatusResponse;
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import info.nightscout.androidaps.plugins.pump.omnipod.comm.message.response.podinfo.PodInfoFaultEvent;
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import info.nightscout.androidaps.plugins.pump.omnipod.defs.AlertSet;
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import info.nightscout.androidaps.plugins.pump.omnipod.defs.AlertSlot;
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import info.nightscout.androidaps.plugins.pump.omnipod.defs.AlertType;
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import info.nightscout.androidaps.plugins.pump.omnipod.defs.DeliveryStatus;
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import info.nightscout.androidaps.plugins.pump.omnipod.defs.FirmwareVersion;
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import info.nightscout.androidaps.plugins.pump.omnipod.defs.SetupProgress;
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import info.nightscout.androidaps.plugins.pump.omnipod.defs.schedule.BasalSchedule;
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import info.nightscout.androidaps.plugins.pump.omnipod.defs.state.PodStateManager;
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import info.nightscout.androidaps.plugins.pump.omnipod.util.OmniCRC;
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import info.nightscout.androidaps.plugins.pump.omnipod.util.OmnipodConst;
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import info.nightscout.androidaps.plugins.pump.omnipod.util.OmnipodUtil;
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import info.nightscout.androidaps.utils.DateUtil;
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import info.nightscout.androidaps.utils.sharedPreferences.SP;
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public class AapsPodStateManager implements PodStateManager {
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private final AAPSLogger aapsLogger;
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private final SP sp;
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private final OmnipodUtil omnipodUtil;
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private PodState podState;
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// TODO dagger
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public AapsPodStateManager(AAPSLogger aapsLogger, SP sp, OmnipodUtil omnipodUtil) {
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this.aapsLogger = aapsLogger;
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this.sp = sp;
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this.omnipodUtil = omnipodUtil;
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// TODO is there something like @PostConstruct in Dagger? if so, we should probably move loading the pod state there
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loadPodState();
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}
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@Override public boolean hasState() {
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return podState != null;
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}
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@Override public void removeState() {
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this.podState = null;
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persistPodState();
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}
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@Override public boolean isPaired() {
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return hasState() //
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&& podState.getLot() != null && podState.getTid() != null //
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&& podState.getPiVersion() != null && podState.getPmVersion() != null //
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&& podState.getTimeZone() != null //
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&& podState.getSetupProgress() != null;
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}
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public void setPairingParameters(int lot, int tid, FirmwareVersion piVersion, FirmwareVersion pmVersion, DateTimeZone timeZone) {
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if (!hasState()) {
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throw new IllegalStateException("Cannot set pairing parameters: podState is null");
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}
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if (isPaired()) {
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throw new IllegalStateException("Cannot set pairing parameters: pairing parameters have already been set");
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}
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if (piVersion == null) {
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throw new IllegalArgumentException("Cannot set pairing parameters: piVersion can not be null");
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}
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if (pmVersion == null) {
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throw new IllegalArgumentException("Cannot set pairing parameters: pmVersion can not be null");
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}
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if (timeZone == null) {
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throw new IllegalArgumentException("Cannot set pairing parameters: timeZone can not be null");
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}
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podState.setLot(lot);
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podState.setTid(tid);
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podState.setPiVersion(piVersion);
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podState.setPmVersion(pmVersion);
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podState.setTimeZone(timeZone);
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podState.setNonceState(new NonceState(lot, tid));
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podState.setSetupProgress(SetupProgress.ADDRESS_ASSIGNED);
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}
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@Override public int getAddress() {
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return getSafe(() -> podState.getAddress());
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}
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@Override public int getMessageNumber() {
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return getSafe(() -> podState.getMessageNumber());
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}
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@Override public void setMessageNumber(int messageNumber) {
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setAndStore(() -> podState.setMessageNumber(messageNumber));
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}
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@Override public int getPacketNumber() {
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return getSafe(() -> podState.getPacketNumber());
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}
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@Override public void setPacketNumber(int packetNumber) {
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setAndStore(() -> podState.setPacketNumber(packetNumber));
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}
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@Override public void increaseMessageNumber() {
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setAndStore(() -> podState.setMessageNumber(podState.getMessageNumber() + 1));
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}
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@Override public void increasePacketNumber() {
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setAndStore(() -> podState.setPacketNumber(podState.getPacketNumber() + 1));
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}
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@Override public void resyncNonce(int syncWord, int sentNonce, int sequenceNumber) {
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if (!isPaired()) {
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throw new IllegalStateException("Cannot resync nonce: Pod is not paired yet");
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}
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int sum = (sentNonce & 0xFFFF)
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+ OmniCRC.crc16lookup[sequenceNumber]
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+ (podState.getLot() & 0xFFFF)
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+ (podState.getTid() & 0xFFFF);
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int seed = ((sum & 0xFFFF) ^ syncWord);
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NonceState nonceState = new NonceState(podState.getLot(), podState.getTid(), (byte) (seed & 0xFF));
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setAndStore(() -> podState.setNonceState(nonceState));
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}
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@Override public int getCurrentNonce() {
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if (!isPaired()) {
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throw new IllegalStateException("Cannot get current nonce: Pod is not paired yet");
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}
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return podState.getNonceState().getCurrentNonce();
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}
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@Override public void advanceToNextNonce() {
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if (!isPaired()) {
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throw new IllegalStateException("Cannot advance to next nonce: Pod is not paired yet");
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}
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setAndStore(() -> podState.getNonceState().advanceToNextNonce());
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}
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@Override public boolean hasFaultEvent() {
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return getSafe(() -> podState.getFaultEvent()) != null;
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}
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@Override public PodInfoFaultEvent getFaultEvent() {
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return getSafe(() -> podState.getFaultEvent());
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}
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@Override public void setFaultEvent(PodInfoFaultEvent faultEvent) {
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setAndStore(() -> podState.setFaultEvent(faultEvent));
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}
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@Override public AlertType getConfiguredAlertType(AlertSlot alertSlot) {
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return getSafe(() -> podState.getConfiguredAlerts().get(alertSlot));
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}
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@Override public void putConfiguredAlert(AlertSlot alertSlot, AlertType alertType) {
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setAndStore(() -> podState.getConfiguredAlerts().put(alertSlot, alertType));
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}
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@Override public void removeConfiguredAlert(AlertSlot alertSlot) {
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setAndStore(() -> podState.getConfiguredAlerts().remove(alertSlot));
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}
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@Override public boolean hasActiveAlerts() {
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AlertSet activeAlerts = podState.getActiveAlerts();
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return activeAlerts != null && activeAlerts.size() > 0;
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}
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@Override public AlertSet getActiveAlerts() {
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return getSafe(() -> podState.getActiveAlerts());
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}
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@Override public Integer getLot() {
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return getSafe(() -> podState.getLot());
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}
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@Override public Integer getTid() {
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return getSafe(() -> podState.getTid());
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}
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@Override public FirmwareVersion getPiVersion() {
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return getSafe(() -> podState.getPiVersion());
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}
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@Override public FirmwareVersion getPmVersion() {
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return getSafe(() -> podState.getPmVersion());
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}
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@Override public DateTimeZone getTimeZone() {
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return getSafe(() -> podState.getTimeZone());
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}
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@Override public void setTimeZone(DateTimeZone timeZone) {
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if (timeZone == null) {
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throw new IllegalArgumentException("Time zone can not be null");
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}
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setAndStore(() -> podState.setTimeZone(timeZone));
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}
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@Override public DateTime getTime() {
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DateTime now = DateTime.now();
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return now.withZone(getSafe(() -> podState.getTimeZone()));
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}
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public DateTime getActivatedAt() {
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DateTime activatedAt = getSafe(() -> podState.getActivatedAt());
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return activatedAt == null ? null : activatedAt.withZone(getSafe(() -> podState.getTimeZone()));
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}
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public DateTime getExpiresAt() {
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DateTime expiresAt = getSafe(() -> podState.getExpiresAt());
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return expiresAt == null ? null : expiresAt.withZone(getSafe(() -> podState.getTimeZone()));
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}
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// TODO doesn't belong here
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public String getExpiryDateAsString() {
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DateTime expiresAt = getExpiresAt();
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return expiresAt == null ? "???" : DateUtil.dateAndTimeString(expiresAt.toDate());
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}
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public SetupProgress getSetupProgress() {
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return getSafe(() -> podState.getSetupProgress());
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}
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public void setSetupProgress(SetupProgress setupProgress) {
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if (setupProgress == null) {
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throw new IllegalArgumentException("Setup progress can not be null");
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}
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setAndStore(() -> podState.setSetupProgress(setupProgress));
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}
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@Override public boolean isSuspended() {
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return getSafe(() -> podState.isSuspended());
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}
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@Override public Double getReservoirLevel() {
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return getSafe(() -> podState.getReservoirLevel());
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}
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@Override public Duration getScheduleOffset() {
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DateTime now = getTime();
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DateTime startOfDay = new DateTime(now.getYear(), now.getMonthOfYear(), now.getDayOfMonth(),
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0, 0, 0, getSafe(() -> podState.getTimeZone()));
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return new Duration(startOfDay, now);
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}
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@Override public BasalSchedule getBasalSchedule() {
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return getSafe(() -> podState.getBasalSchedule());
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}
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@Override public void setBasalSchedule(BasalSchedule basalSchedule) {
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setAndStore(() -> podState.setBasalSchedule(basalSchedule));
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}
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@Override public DeliveryStatus getLastDeliveryStatus() {
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return getSafe(() -> podState.getLastDeliveryStatus());
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}
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@Override public void updateFromStatusResponse(StatusResponse statusResponse) {
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if (!hasState()) {
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throw new IllegalStateException("Cannot update from status response: podState is null");
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}
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setAndStore(() -> {
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if (podState.getActivatedAt() == null) {
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DateTime activatedAtCalculated = getTime().minus(statusResponse.getTimeActive());
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podState.setActivatedAt(activatedAtCalculated);
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}
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DateTime expiresAt = podState.getExpiresAt();
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DateTime expiresAtCalculated = podState.getActivatedAt().plus(OmnipodConst.NOMINAL_POD_LIFE);
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if (expiresAt == null || expiresAtCalculated.isBefore(expiresAt) || expiresAtCalculated.isAfter(expiresAt.plusMinutes(1))) {
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podState.setExpiresAt(expiresAtCalculated);
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}
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boolean newSuspendedState = statusResponse.getDeliveryStatus() == DeliveryStatus.SUSPENDED;
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if (podState.isSuspended() != newSuspendedState) {
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aapsLogger.info(LTag.PUMPCOMM, "Updating pod suspended state in updateFromStatusResponse. newSuspendedState={}, statusResponse={}", newSuspendedState, statusResponse.toString());
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podState.setSuspended(newSuspendedState);
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}
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podState.setActiveAlerts(statusResponse.getAlerts());
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podState.setLastDeliveryStatus(statusResponse.getDeliveryStatus());
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podState.setReservoirLevel(statusResponse.getReservoirLevel());
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});
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}
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private void setAndStore(Runnable runnable) {
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if (!hasState()) {
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throw new IllegalStateException("Cannot mutate PodState: podState is null");
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}
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runnable.run();
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persistPodState();
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}
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// Not actually "safe" as it throws an Exception, but it prevents NPEs
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private <T> T getSafe(Supplier<T> supplier) {
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if (!hasState()) {
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throw new IllegalStateException("Cannot read from PodState: podState is null");
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}
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return supplier.get();
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}
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private void persistPodState() {
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Gson gson = omnipodUtil.getGsonInstance();
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String gsonValue = gson.toJson(podState);
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aapsLogger.info(LTag.PUMPCOMM, "PodState-SP: Saved PodState to SharedPreferences: " + gsonValue);
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sp.putString(OmnipodConst.Prefs.PodState, gsonValue);
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}
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private void loadPodState() {
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podState = null;
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String storedPodState = sp.getString(OmnipodConst.Prefs.PodState, "");
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if (StringUtils.isEmpty(storedPodState)) {
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aapsLogger.info(LTag.PUMP, "PodState-SP: no PodState present in SharedPreferences");
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} else {
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aapsLogger.info(LTag.PUMP, "PodState-SP: loaded PodState from SharedPreferences: " + storedPodState);
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try {
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podState = omnipodUtil.getGsonInstance().fromJson(storedPodState, PodState.class);
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} catch (Exception ex) {
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aapsLogger.error(LTag.PUMPCOMM, "PodState-SP: could not deserialize PodState", ex);
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}
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}
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}
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private static class PodState {
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private final int address;
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private Integer lot;
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private Integer tid;
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private FirmwareVersion piVersion;
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private FirmwareVersion pmVersion;
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private int packetNumber;
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private int messageNumber;
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private DateTimeZone timeZone;
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private DateTime activatedAt;
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private DateTime expiresAt;
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private PodInfoFaultEvent faultEvent;
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private Double reservoirLevel;
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private boolean suspended;
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private NonceState nonceState;
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private SetupProgress setupProgress;
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private DeliveryStatus lastDeliveryStatus;
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private AlertSet activeAlerts;
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private BasalSchedule basalSchedule;
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private final Map<AlertSlot, AlertType> configuredAlerts = new HashMap<>();
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private PodState(int address) {
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this.address = address;
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}
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public int getAddress() {
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return address;
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}
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public Integer getLot() {
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return lot;
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}
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public void setLot(int lot) {
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this.lot = lot;
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}
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public Integer getTid() {
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return tid;
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}
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public void setTid(int tid) {
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this.tid = tid;
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}
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public FirmwareVersion getPiVersion() {
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return piVersion;
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}
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public void setPiVersion(FirmwareVersion piVersion) {
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if (this.piVersion != null) {
|
||||
throw new IllegalStateException("piVersion has already been set");
|
||||
}
|
||||
if (piVersion == null) {
|
||||
throw new IllegalArgumentException("piVersion can not be null");
|
||||
}
|
||||
this.piVersion = piVersion;
|
||||
}
|
||||
|
||||
public FirmwareVersion getPmVersion() {
|
||||
return pmVersion;
|
||||
}
|
||||
|
||||
public void setPmVersion(FirmwareVersion pmVersion) {
|
||||
this.pmVersion = pmVersion;
|
||||
}
|
||||
|
||||
public int getPacketNumber() {
|
||||
return packetNumber;
|
||||
}
|
||||
|
||||
public void setPacketNumber(int packetNumber) {
|
||||
this.packetNumber = packetNumber;
|
||||
}
|
||||
|
||||
public int getMessageNumber() {
|
||||
return messageNumber;
|
||||
}
|
||||
|
||||
public void setMessageNumber(int messageNumber) {
|
||||
this.messageNumber = messageNumber;
|
||||
}
|
||||
|
||||
public DateTimeZone getTimeZone() {
|
||||
return timeZone;
|
||||
}
|
||||
|
||||
public void setTimeZone(DateTimeZone timeZone) {
|
||||
this.timeZone = timeZone;
|
||||
}
|
||||
|
||||
public DateTime getActivatedAt() {
|
||||
return activatedAt;
|
||||
}
|
||||
|
||||
public void setActivatedAt(DateTime activatedAt) {
|
||||
this.activatedAt = activatedAt;
|
||||
}
|
||||
|
||||
public DateTime getExpiresAt() {
|
||||
return expiresAt;
|
||||
}
|
||||
|
||||
public void setExpiresAt(DateTime expiresAt) {
|
||||
this.expiresAt = expiresAt;
|
||||
}
|
||||
|
||||
public PodInfoFaultEvent getFaultEvent() {
|
||||
return faultEvent;
|
||||
}
|
||||
|
||||
public void setFaultEvent(PodInfoFaultEvent faultEvent) {
|
||||
this.faultEvent = faultEvent;
|
||||
}
|
||||
|
||||
public Double getReservoirLevel() {
|
||||
return reservoirLevel;
|
||||
}
|
||||
|
||||
public void setReservoirLevel(Double reservoirLevel) {
|
||||
this.reservoirLevel = reservoirLevel;
|
||||
}
|
||||
|
||||
public boolean isSuspended() {
|
||||
return suspended;
|
||||
}
|
||||
|
||||
public void setSuspended(boolean suspended) {
|
||||
this.suspended = suspended;
|
||||
}
|
||||
|
||||
public NonceState getNonceState() {
|
||||
return nonceState;
|
||||
}
|
||||
|
||||
public void setNonceState(NonceState nonceState) {
|
||||
this.nonceState = nonceState;
|
||||
}
|
||||
|
||||
public SetupProgress getSetupProgress() {
|
||||
return setupProgress;
|
||||
}
|
||||
|
||||
public void setSetupProgress(SetupProgress setupProgress) {
|
||||
this.setupProgress = setupProgress;
|
||||
}
|
||||
|
||||
public DeliveryStatus getLastDeliveryStatus() {
|
||||
return lastDeliveryStatus;
|
||||
}
|
||||
|
||||
public void setLastDeliveryStatus(DeliveryStatus lastDeliveryStatus) {
|
||||
this.lastDeliveryStatus = lastDeliveryStatus;
|
||||
}
|
||||
|
||||
public AlertSet getActiveAlerts() {
|
||||
return activeAlerts;
|
||||
}
|
||||
|
||||
public void setActiveAlerts(AlertSet activeAlerts) {
|
||||
this.activeAlerts = activeAlerts;
|
||||
}
|
||||
|
||||
public BasalSchedule getBasalSchedule() {
|
||||
return basalSchedule;
|
||||
}
|
||||
|
||||
public void setBasalSchedule(BasalSchedule basalSchedule) {
|
||||
this.basalSchedule = basalSchedule;
|
||||
}
|
||||
|
||||
public Map<AlertSlot, AlertType> getConfiguredAlerts() {
|
||||
return configuredAlerts;
|
||||
}
|
||||
}
|
||||
|
||||
private static class NonceState {
|
||||
private final long[] table = new long[21];
|
||||
private int index;
|
||||
|
||||
private NonceState(int lot, int tid) {
|
||||
initializeTable(lot, tid, (byte) 0x00);
|
||||
}
|
||||
|
||||
private NonceState(int lot, int tid, byte seed) {
|
||||
initializeTable(lot, tid, seed);
|
||||
}
|
||||
|
||||
private void initializeTable(int lot, int tid, byte seed) {
|
||||
table[0] = (long) (lot & 0xFFFF) + 0x55543DC3L + (((long) (lot) & 0xFFFFFFFFL) >> 16);
|
||||
table[0] = table[0] & 0xFFFFFFFFL;
|
||||
table[1] = (tid & 0xFFFF) + 0xAAAAE44EL + (((long) (tid) & 0xFFFFFFFFL) >> 16);
|
||||
table[1] = table[1] & 0xFFFFFFFFL;
|
||||
index = 0;
|
||||
table[0] += seed;
|
||||
for (int i = 0; i < 16; i++) {
|
||||
table[2 + i] = generateEntry();
|
||||
}
|
||||
index = (int) ((table[0] + table[1]) & 0X0F);
|
||||
}
|
||||
|
||||
private int generateEntry() {
|
||||
table[0] = (((table[0] >> 16) + (table[0] & 0xFFFF) * 0x5D7FL) & 0xFFFFFFFFL);
|
||||
table[1] = (((table[1] >> 16) + (table[1] & 0xFFFF) * 0x8CA0L) & 0xFFFFFFFFL);
|
||||
return (int) ((table[1] + (table[0] << 16)) & 0xFFFFFFFFL);
|
||||
}
|
||||
|
||||
public int getCurrentNonce() {
|
||||
return (int) table[(2 + index)];
|
||||
}
|
||||
|
||||
public void advanceToNextNonce() {
|
||||
int nonce = getCurrentNonce();
|
||||
table[(2 + index)] = generateEntry();
|
||||
index = (nonce & 0x0F);
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
return "NonceState{" +
|
||||
"table=" + Arrays.toString(table) +
|
||||
", index=" + index +
|
||||
'}';
|
||||
}
|
||||
}
|
||||
|
||||
// TODO replace with java.util.function.Supplier<T> when min API level >= 24
|
||||
@FunctionalInterface
|
||||
private interface Supplier<T> {
|
||||
T get();
|
||||
}
|
||||
}
|
||||
Loading…
Reference in a new issue