/*
 * ZeroTier One - Network Virtualization Everywhere
 * Copyright (C) 2011-2015  ZeroTier, Inc.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * --
 *
 * ZeroTier may be used and distributed under the terms of the GPLv3, which
 * are available at: http://www.gnu.org/licenses/gpl-3.0.html
 *
 * If you would like to embed ZeroTier into a commercial application or
 * redistribute it in a modified binary form, please contact ZeroTier Networks
 * LLC. Start here: http://www.zerotier.com/
 */

package com.zerotier.sdk;

import java.net.InetSocketAddress;

/**
 * Physical network path to a peer
 * <p>
 * Defined in ZeroTierOne.h as ZT_PeerPhysicalPath
 */
public class PeerPhysicalPath {

    private final InetSocketAddress address;

    private final long lastSend;

    private final long lastReceive;

    private final boolean preferred;

    public PeerPhysicalPath(InetSocketAddress address, long lastSend, long lastReceive, boolean preferred) {
        this.address = address;
        if (lastSend < 0) {
            throw new RuntimeException("lastSend < 0: " + lastSend);
        }
        this.lastSend = lastSend;
        if (lastReceive < 0) {
            throw new RuntimeException("lastReceive < 0: " + lastReceive);
        }
        this.lastReceive = lastReceive;
        this.preferred = preferred;
    }

    @Override
    public String toString() {
        return "PeerPhysicalPath(" + address + ", " + lastSend + ", " + lastReceive + ", " + preferred + ")";
    }

    /**
     * Address of endpoint
     */
    public InetSocketAddress getAddress() {
        return address;
    }

    /**
     * Time of last send in milliseconds or 0 for never
     */
    public long getLastSend() {
        return lastSend;
    }

    /**
     * Time of last receive in milliseconds or 0 for never
     */
    public long getLastReceive() {
        return lastReceive;
    }

    /**
     * Is path preferred?
     */
    public boolean isPreferred() {
        return preferred;
    }
}