fujaba/NetworkParser

package de.uniks.networkparser.ext.petaf;

import de.uniks.networkparser.SendableItem;
/*
The MIT License

Copyright (c) 2010-2016 Stefan Lindel https://www.github.com/fujaba/NetworkParser/

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.
*/
import de.uniks.networkparser.ext.petaf.messages.ConnectMessage;
import de.uniks.networkparser.ext.petaf.messages.InfoMessage;
import de.uniks.networkparser.interfaces.ObjectCondition;
import de.uniks.networkparser.interfaces.SendableEntityCreator;
import de.uniks.networkparser.interfaces.SendableEntityCreatorNoIndex;
import de.uniks.networkparser.list.SimpleList;

public abstract class NodeProxy extends SendableItem implements Comparable<NodeProxy>, SendableEntityCreatorNoIndex {
    public static final String TYPE_IN = "IN";
    public static final String TYPE_OUT = "OUT";
    public static final String TYPE_INOUT = "INOUT";

    public static int BUFFER = 100 * 1024;
    public static final String PROPERTY_SEND = "sendtime";
    public static final String PROPERTY_RECEIVE = "receivetime";
    public static final String PROPERTY_HISTORY = "history";
    public static final String PROPERTY_NODES = "nodes";
    public static final String PROPERTY_FILTER = "filter";
    public static final String PROPERTY_ONLINE = "online";
    public static final String PROPERTY_VERSION = "version";
    public static final String PROPERTY_TYP = "typ";
    public static final String PROPERTY_NAME = "name";
    public static final String PROPERTY_ID = "id";

    protected PropertyList propertyId = PropertyList.create(PROPERTY_ID);
    protected PropertyList propertyUpdate = PropertyList.create(PROPERTY_ID, PROPERTY_HISTORY, PROPERTY_FILTER,
            PROPERTY_SEND);
    protected PropertyList propertyInfo = PropertyList.create(PROPERTY_ID, PROPERTY_SEND, PROPERTY_RECEIVE,
            PROPERTY_HISTORY, PROPERTY_FILTER, PROPERTY_VERSION);
    protected PropertyList property = PropertyList.create(PROPERTY_ID, PROPERTY_SEND, PROPERTY_RECEIVE, PROPERTY_ONLINE,
            PROPERTY_NODES, PROPERTY_HISTORY, PROPERTY_FILTER, PROPERTY_VERSION);

    protected String type;
    protected long sendtime;
    protected long receivetime;
    protected long lastSendTryTime;
    protected long receiveBytes;
    protected long sendBytes; /* Full bytes */
    protected int lastSendCount; /* Count of success sending */
    protected String version; /* Runtimeversion of App */
    protected boolean online; /* Boolean if last send is success */
    protected String history; /* Hashcode of last Message */
    protected ObjectCondition filter; /* Filter of World */
    protected long no;
    protected Space space;
    protected String name;
    protected NodeProxy nextNode; /* NextPeer for MyNodes */

    public String[] getUpdateProperties() {
        return propertyUpdate.getList();
    }

    public String[] getInfoProperties() {
        return propertyInfo.getList();
    }

    @Override
    public String[] getProperties() {
        return property.getList();
    }

    public String[] getIDProperties() {
        return propertyId.getList();
    }

    public void connectToPeer() {
        sendMessage(ConnectMessage.create());
    }

    public void connectInfo() {
        sendMessage(new InfoMessage());
    }

    public boolean sendMessage(Message msg) {
        if (this.space != null) {
            return this.space.sendMessage(msg, false, this);
        }
        return this.sending(msg);
    }

    public boolean sendPing() {
        InfoMessage message = new InfoMessage();
        return sendMessage(message);
    }

    public boolean sendMessageToPeers(Message msg) {
        return this.space.sendMessageToPeers(msg, this);
    }

    public boolean isValid() {
        return true;
    }

    protected boolean sending(Message msg) {
        if (this.isValid() == false) {
            return true;
        }
        msg.withAddToReceived(this);
        this.lastSendTryTime = System.currentTimeMillis();
        if (this.space != null) {
            this.space.updateNetwork(TYPE_OUT, this);
        }
        return false;
    }

    public String getType() {
        return type;
    }

    public void updateReceive(int len, boolean setOnline) {
        this.receivetime = System.currentTimeMillis();
        this.receiveBytes += len;
        if (setOnline) {
            this.withOnline(true);
        }
    }

    public NodeProxy withType(String value) {
        /* if output is not configured, we don't allow OUT or INOUT as value... */
        this.type = value;
        return this;
    }

    public long getNewMsgNo() {
        this.no++;
        if (no < 0) {
            no = 0;
        }
        return no;
    }

    public void setSendTime(int bytes) {
        Long oldValue = sendtime;
        this.sendtime = System.currentTimeMillis();
        firePropertyChange(PROPERTY_SEND, oldValue, sendtime);
        this.lastSendCount = 0;
    }

    public long getSendTime() {
        return this.sendtime;
    }

    public boolean isReconnecting(SimpleList<Integer> seconds) {
        if (isOnline() || seconds.size() < 1) {
            return false;
        }
        if (lastSendCount >= seconds.size()) {
            lastSendCount = seconds.size() - 1;
        }
        int time = seconds.get(lastSendCount);
        if (time == Space.DISABLE) {
            return false;
        }
        boolean result = (isOnline() == false) && (System.currentTimeMillis() - lastSendTryTime) > time;
        if (result) {
            this.lastSendCount++;
        }
        return result;
    }

    public void setReceiveTime() {
        Long oldValue = receivetime;
        this.receivetime = System.currentTimeMillis();
        firePropertyChange(PROPERTY_RECEIVE, oldValue, receivetime);
    }

    public Long getReceiveTime() {
        return receivetime;
    }

    public NodeProxy withOnline(boolean value) {
        boolean oldValue = this.online;
        this.online = value;
        firePropertyChange(PROPERTY_ONLINE, oldValue, value);
        return this;
    }

    public boolean isOnline() {
        return online;
    }

    public abstract boolean isSendable();

    public int compareTo(NodeProxy o) {
        if (getKey() == null) {
            if (o.getKey() == null) {
                return 0;
            }
            return 1;
        }
        if (o == null || o.getKey() == null) {
            if (getKey() == null) {
                return 0;
            }
            return -1;
        }
        return getKey().compareTo(o.getKey());
    }

    @Override
    public boolean equals(Object obj) {
        if (obj instanceof NodeProxy) {
            return compareTo((NodeProxy) obj) == 0;
        }
        return super.equals(obj);
    }

    public String getHistory() {
        return history;
    }

    public Integer getHistoryNo() {
        try {
            return Integer.valueOf(history);
        } catch (Exception e) {
        }
        return null;
    }

    public NodeProxy withHistory(String value) {
        String oldValue = this.history;
        this.history = value;
        firePropertyChange(PROPERTY_HISTORY, oldValue, value);
        return this;
    }

    public NodeProxy withFilter(ObjectCondition value) {
        if (value != null && !value.equals(this.filter)) {
            this.filter = value;
        }
        return this;
    }

    public ObjectCondition getFilter() {
        return filter;
    }

    public boolean filter(Object value) {
        if (filter != null) {
            return filter.update(value);
        }
        return true;
    }

    public String getVersion() {
        return version;
    }

    public NodeProxy withVersion(String value) {
        String oldValue = this.version;
        this.version = value;
        firePropertyChange(PROPERTY_VERSION, oldValue, value);
        return this;
    }

    @Override
    public boolean setValue(Object element, String attrName, Object value, String type) {
        if (element instanceof NodeProxy == false) {
            return false;
        }
        NodeProxy nodeProxy = (NodeProxy) element;
        if (SendableEntityCreator.REMOVE_YOU.equalsIgnoreCase(type)) {
            return nodeProxy.close();
        }
        if (PROPERTY_SEND.equals(attrName)) {
            long oldValue = nodeProxy.sendtime;
            nodeProxy.sendtime = Long.valueOf("" + value);
            firePropertyChange(PROPERTY_SEND, oldValue, nodeProxy.sendtime);
            return true;
        }
        if (PROPERTY_RECEIVE.equals(attrName)) {
            long oldValue = nodeProxy.receivetime;
            nodeProxy.receivetime = Long.valueOf("" + value);
            firePropertyChange(PROPERTY_RECEIVE, oldValue, nodeProxy.receivetime);
            return true;
        }
        if (PROPERTY_HISTORY.equals(attrName)) {
            nodeProxy.withHistory("" + value);
            return true;
        }
        if (PROPERTY_FILTER.equals(attrName)) {
            nodeProxy.withFilter((ObjectCondition) value);
            return true;
        }
        if (PROPERTY_ONLINE.equals(attrName)) {
            nodeProxy.withOnline(Boolean.valueOf("" + value));
            return true;
        }
        if (PROPERTY_VERSION.equals(attrName)) {
            nodeProxy.withVersion("" + value);
            return true;
        }
        if (PROPERTY_TYP.equals(attrName)) {
            nodeProxy.withType("" + value);
            return true;
        }
        return false;
    }

    @Override
    public Object getValue(Object element, String attrName) {
        if (element instanceof NodeProxy == false) {
            return null;
        }
        NodeProxy nodeProxy = (NodeProxy) element;
        if (PROPERTY_SEND.equals(attrName)) {
            return nodeProxy.getSendTime();
        }
        if (PROPERTY_RECEIVE.equals(attrName)) {
            return nodeProxy.getReceiveTime();
        }
        if (PROPERTY_HISTORY.equals(attrName)) {
            return nodeProxy.getHistory();
        }
        if (PROPERTY_FILTER.equals(attrName)) {
            return nodeProxy.getFilter();
        }
        if (PROPERTY_ONLINE.equals(attrName)) {
            return nodeProxy.isOnline();
        }
        if (PROPERTY_VERSION.equals(attrName)) {
            return nodeProxy.getVersion();
        }
        if (PROPERTY_TYP.equals(attrName)) {
            return nodeProxy.getType();
        }
        if (PROPERTY_ID.equals(attrName)) {
            return nodeProxy.getKey();
        }
        return null;
    }

    public abstract boolean close();

    public NodeProxy initSpace(Space value) {
        if (value == this.space) {
            return this;
        }
        Space oldValue = this.space;
        if (null != this.space) {
            this.space = null;
            oldValue.removeProxy(this);
        }
        this.space = value;
        startProxy();
        if (null != value) {
            value.with(this);
        }
        firePropertyChange(PROPERTY_NODES, oldValue, value);
        return this;
    }

    public String getName() {
        return name;
    }

    public NodeProxy withName(String name) {
        this.name = name;
        return this;
    }

    public Space getSpace() {
        return space;
    }

    protected abstract boolean startProxy();

    public NodeProxy next() {
        return this.nextNode;
    }

    public NodeProxy setNextMyNode(NodeProxy nextNode) {
        this.nextNode = nextNode;
        if (nextNode == null) {
            return this;
        }
        nextNode.setNextMyNode(null);
        return nextNode;
    }

    public TaskExecutor getExecutor() {
        if (this.space != null) {
            return this.space.getExecutor();
        }
        /* Fallback */
        return new SimpleExecutor();
    }

    public abstract String getKey();

    public static boolean isInput(String value) {
        return (value != null && value.indexOf(TYPE_IN) >= 0);
    }

    public static boolean isOutput(String value) {
        return (value != null && value.indexOf(TYPE_OUT) >= 0);
    }
}