package org.freertr.cfg;

import java.io.File;
import java.util.ArrayList;
import java.util.List;
import org.freertr.addr.addrIP;
import org.freertr.addr.addrMac;
import org.freertr.auth.authLocal;
import org.freertr.ifc.ifcUdpInt;
import org.freertr.pipe.pipeConnect;
import org.freertr.pipe.pipeDiscard;
import org.freertr.pipe.pipeLine;
import org.freertr.pipe.pipeShell;
import org.freertr.pipe.pipeSide;
import org.freertr.tab.tabGen;
import org.freertr.tab.tabRouteIface;
import org.freertr.user.userFilter;
import org.freertr.user.userHelp;
import org.freertr.user.userUpgrade;
import org.freertr.util.bits;
import org.freertr.util.cmds;
import org.freertr.util.debugger;
import org.freertr.util.logBuf;
import org.freertr.util.logger;

/**
 * one vdc configuration
 *
 * @author matecsaba
 */
public class cfgVdc implements Comparable<cfgVdc>, Runnable, cfgGeneric {

    /**
     * name of this vdc
     */
    public String name;

    /**
     * description of this vdc
     */
    public String description = "";

    /**
     * respawn on termination
     */
    public boolean respawn = true;

    /**
     * priviledged vdc
     */
    public boolean priviledged = false;

    /**
     * kill children on termination
     */
    public boolean children = true;

    /**
     * redundancy priority
     */
    protected int redunPrio = defPrio;

    /**
     * action logging
     */
    public boolean logAct = false;

    /**
     * console logging
     */
    public boolean logCon = false;

    /**
     * console collector
     */
    public logBuf logCol;

    /**
     * config to use
     */
    public String configFile = null;

    /**
     * image to use
     */
    public String image1name = null;

    /**
     * image to use
     */
    public String image2name = null;

    /**
     * image to use
     */
    public String image3name = null;

    /**
     * image to use
     */
    public String image4name = null;

    /**
     * bios to use
     */
    public String biosName = null;

    /**
     * uefi to use
     */
    public String uefiName = null;

    /**
     * boot to use
     */
    public String bootName = null;

    /**
     * vga to vnc
     */
    public String vga2vnc = null;

    /**
     * cdrom to use
     */
    public String cdromName = null;

    /**
     * uuid to use
     */
    public String uuidValue = null;

    /**
     * user to use
     */
    public String userValue = null;

    /**
     * cpu pinning
     */
    public String cpuPinning = null;

    /**
     * cpu type
     */
    public String cpuType = null;

    /**
     * memory to give
     */
    public int imageMem = 512;

    /**
     * cpus to give
     */
    public int imageCpu = 1;

    /**
     * mac address base
     */
    public addrMac macBase = null;

    /**
     * nic type
     */
    public String nicType = "e1000";

    /**
     * time between runs
     */
    protected int interval = 1000;

    /**
     * initial delay
     */
    protected int initial = 1000;

    /**
     * password key
     */
    protected String password;

    /**
     * random time between runs
     */
    public int randInt;

    /**
     * random initial delay
     */
    public int randIni;

    /**
     * time range when allowed
     */
    public cfgTime time;

    /**
     * list of interfaces
     */
    public final tabGen<cfgVdcIfc> ifaces = new tabGen<cfgVdcIfc>();

    /**
     * list of local connects
     */
    public final tabGen<cfgVdcIfc> locals = new tabGen<cfgVdcIfc>();

    /**
     * list of connections
     */
    public final tabGen<cfgVdcConn> conns = new tabGen<cfgVdcConn>();

    /**
     * list of pci
     */
    public final tabGen<cfgVdcPci> pcis = new tabGen<cfgVdcPci>();

    /**
     * list of usb
     */
    public final tabGen<cfgVdcUsb> usbs = new tabGen<cfgVdcUsb>();

    /**
     * list of tcp
     */
    public final tabGen<cfgVdcTcp> tcps = new tabGen<cfgVdcTcp>();

    /**
     * console pipeline
     */
    public pipeSide con;

    /**
     * last exit code
     */
    public int restartE;

    /**
     * restart count
     */
    public int restartC;

    /**
     * restart time
     */
    public long restartT;

    private pipeShell proc;

    private pipeSide pipe;

    private String cfgBase;

    private boolean need2run;

    private final static int stopPrio = -9;

    private final static int defPrio = 0;

    /**
     * defaults text
     */
    public final static userFilter[] defaultF = {
        new userFilter("vdc definition .*", cmds.tabulator + cmds.negated + cmds.tabulator + "description", null),
        new userFilter("vdc definition .*", cmds.tabulator + "respawn", null),
        new userFilter("vdc definition .*", cmds.tabulator + cmds.negated + cmds.tabulator + "priviledged", null),
        new userFilter("vdc definition .*", cmds.tabulator + "children", null),
        new userFilter("vdc definition .*", cmds.tabulator + "priority " + defPrio, null),
        new userFilter("vdc definition .*", cmds.tabulator + "config null", null),
        new userFilter("vdc definition .*", cmds.tabulator + "image null", null),
        new userFilter("vdc definition .*", cmds.tabulator + "disk2 null", null),
        new userFilter("vdc definition .*", cmds.tabulator + "disk3 null", null),
        new userFilter("vdc definition .*", cmds.tabulator + "disk4 null", null),
        new userFilter("vdc definition .*", cmds.tabulator + "cdrom null", null),
        new userFilter("vdc definition .*", cmds.tabulator + "bios null", null),
        new userFilter("vdc definition .*", cmds.tabulator + "uefi null", null),
        new userFilter("vdc definition .*", cmds.tabulator + "vga2vnc null", null),
        new userFilter("vdc definition .*", cmds.tabulator + "boot null", null),
        new userFilter("vdc definition .*", cmds.tabulator + "pinning null", null),
        new userFilter("vdc definition .*", cmds.tabulator + "uuid null", null),
        new userFilter("vdc definition .*", cmds.tabulator + "user null", null),
        new userFilter("vdc definition .*", cmds.tabulator + "mac null", null),
        new userFilter("vdc definition .*", cmds.tabulator + "cpu null", null),
        new userFilter("vdc definition .*", cmds.tabulator + "memory 512", null),
        new userFilter("vdc definition .*", cmds.tabulator + cmds.negated + cmds.tabulator + "password", null),
        new userFilter("vdc definition .*", cmds.tabulator + "cores 1", null),
        new userFilter("vdc definition .*", cmds.tabulator + "nic e1000", null),
        new userFilter("vdc definition .*", cmds.tabulator + "time 1000", null),
        new userFilter("vdc definition .*", cmds.tabulator + "delay 1000", null),
        new userFilter("vdc definition .*", cmds.tabulator + cmds.negated + cmds.tabulator + "log-actions", null),
        new userFilter("vdc definition .*", cmds.tabulator + cmds.negated + cmds.tabulator + "log-console", null),
        new userFilter("vdc definition .*", cmds.tabulator + cmds.negated + cmds.tabulator + "log-collect", null),
        new userFilter("vdc definition .*", cmds.tabulator + "random-time 0", null),
        new userFilter("vdc definition .*", cmds.tabulator + "random-delay 0", null),
        new userFilter("vdc definition .*", cmds.tabulator + cmds.negated + cmds.tabulator + "range", null)
    };

    public int compareTo(cfgVdc o) {
        return name.toLowerCase().compareTo(o.name.toLowerCase());
    }

    public String toString() {
        return "vdc " + name;
    }

    /**
     * create new vdc
     *
     * @param nam name of vdc
     */
    public cfgVdc(String nam) {
        name = nam.trim();
    }

    /**
     * copy bytes
     *
     * @return copy
     */
    public cfgVdc copyBytes() {
        cfgVdc n = new cfgVdc(name);
        n.description = description;
        n.password = password;
        n.respawn = respawn;
        n.priviledged = priviledged;
        n.children = children;
        n.redunPrio = redunPrio;
        n.uuidValue = uuidValue;
        n.userValue = userValue;
        n.cpuPinning = cpuPinning;
        n.cpuType = cpuType;
        n.initial = initial;
        n.interval = interval;
        n.randIni = randIni;
        n.randInt = randInt;
        n.logAct = logAct;
        n.logCon = logCon;
        n.logCol = logCol;
        n.time = time;
        n.configFile = configFile;
        n.image1name = image1name;
        n.image2name = image2name;
        n.image3name = image3name;
        n.image4name = image4name;
        n.imageMem = imageMem;
        n.imageCpu = imageCpu;
        n.nicType = nicType;
        n.biosName = biosName;
        n.uefiName = uefiName;
        n.bootName = bootName;
        n.vga2vnc = vga2vnc;
        n.cdromName = cdromName;
        if (macBase != null) {
            n.macBase = macBase.copyBytes();
        }
        for (int i = 0; i < ifaces.size(); i++) {
            n.ifaces.add(ifaces.get(i));
        }
        for (int i = 0; i < conns.size(); i++) {
            n.conns.add(conns.get(i));
        }
        for (int i = 0; i < locals.size(); i++) {
            n.locals.add(locals.get(i));
        }
        for (int i = 0; i < pcis.size(); i++) {
            n.pcis.add(pcis.get(i));
        }
        for (int i = 0; i < usbs.size(); i++) {
            n.usbs.add(usbs.get(i));
        }
        for (int i = 0; i < tcps.size(); i++) {
            n.tcps.add(tcps.get(i));
        }
        return n;
    }

    /**
     * delete connection
     *
     * @param ifc connecting interface
     */
    protected void delConn(String ifc) {
        cfgVdcConn ntry = conns.del(new cfgVdcConn(ifc, this));
        if (ntry == null) {
            return;
        }
        ntry.peer.conns.del(ntry);
    }

    public void getHelp(userHelp l) {
        l.add(null, false, 1, new int[]{2, -1}, "description", "description of this vdc");
        l.add(null, false, 2, new int[]{2, -1}, "[text]", "text describing this vdc");
        l.add(null, false, 1, new int[]{-1}, "respawn", "restart on termination");
        l.add(null, false, 1, new int[]{-1}, "priviledged", "allow excessive commands");
        l.add(null, false, 1, new int[]{-1}, "children", "kill children on termination");
        l.add(null, false, 1, new int[]{2}, "priority", "specify redundancy priority");
        l.add(null, false, 2, new int[]{-1}, "<num>", "priority, " + stopPrio + " to stop the vdc, " + defPrio + " is the default");
        l.add(null, false, 1, new int[]{2}, "rename", "rename this vdc");
        l.add(null, false, 2, new int[]{-1}, "<str>", "set new name of vdc");
        l.add(null, false, 1, new int[]{2}, "interface", "add interface to this vdc");
        l.add(null, false, 2, new int[]{-1}, "<name:ifc>", "name of interface");
        l.add(null, false, 1, new int[]{2}, "connect", "add connection to other vdc");
        l.add(null, false, 2, new int[]{3}, "<name:ifc>", "name of interface");
        l.add(null, false, 3, new int[]{-1}, "<name:vdc>", "name of peer vdc");
        l.add(null, false, 1, new int[]{2}, "local", "add connection to this vdc");
        l.add(null, false, 2, new int[]{3, -1}, "<name:ifc>", "name of interface");
        l.add(null, false, 3, new int[]{-1}, "redundancy", "flagged for redundancy");
        l.add(null, false, 1, new int[]{2}, "config", "set config file to use");
        l.add(null, false, 2, new int[]{2, -1}, "<str>", "name of image");
        l.add(null, false, 1, new int[]{2}, "bios", "set bios image to use");
        l.add(null, false, 2, new int[]{2, -1}, "<str>", "name of image");
        l.add(null, false, 1, new int[]{2}, "uefi", "set uefi image to use");
        l.add(null, false, 2, new int[]{2, -1}, "<str>", "name of image");
        l.add(null, false, 1, new int[]{2}, "boot", "set boot arguments to use");
        l.add(null, false, 2, new int[]{2, -1}, "<str>", "parameters");
        l.add(null, false, 1, new int[]{2}, "image", "set external image to use");
        l.add(null, false, 2, new int[]{2, -1}, "<str>", "name of image");
        l.add(null, false, 1, new int[]{2}, "disk2", "set external image to use");
        l.add(null, false, 2, new int[]{2, -1}, "<str>", "name of image");
        l.add(null, false, 1, new int[]{2}, "disk3", "set external image to use");
        l.add(null, false, 2, new int[]{2, -1}, "<str>", "name of image");
        l.add(null, false, 1, new int[]{2}, "disk4", "set external image to use");
        l.add(null, false, 2, new int[]{2, -1}, "<str>", "name of image");
        l.add(null, false, 1, new int[]{2}, "cdrom", "set cdrom image to use");
        l.add(null, false, 2, new int[]{2, -1}, "<str>", "name of image");
        l.add(null, false, 1, new int[]{2}, "uuid", "set uuid to use");
        l.add(null, false, 2, new int[]{-1}, "<str>", "uuid value");
        l.add(null, false, 1, new int[]{2}, "user", "set user to use");
        l.add(null, false, 2, new int[]{-1}, "<str>", "user value");
        l.add(null, false, 1, new int[]{2}, "pinning", "set pinning mask");
        l.add(null, false, 2, new int[]{-1}, "<str>", "cpu mask in hex");
        l.add(null, false, 1, new int[]{2}, "cpu", "set cpu type");
        l.add(null, false, 2, new int[]{-1}, "<str>", "type parameters");
        l.add(null, false, 1, new int[]{2}, "memory", "memory of vdc");
        l.add(null, false, 2, new int[]{-1}, "<num>", "megabytes");
        l.add(null, false, 1, new int[]{2}, "password", "set password encryption key");
        l.add(null, false, 2, new int[]{-1}, "<str>", "encryption key");
        l.add(null, false, 1, new int[]{2}, "cores", "cpu of vdc");
        l.add(null, false, 2, new int[]{-1}, "<num>", "cores");
        l.add(null, false, 1, new int[]{2}, "mac", "mac address base");
        l.add(null, false, 2, new int[]{-1}, "<addr>", "address");
        l.add(null, false, 1, new int[]{2}, "nic", "type of nic");
        l.add(null, false, 2, new int[]{-1}, "<str>", "vendor");
        l.add(null, false, 1, new int[]{2}, "pci", "pass through pci device");
        l.add(null, false, 2, new int[]{3}, "<num>", "bus");
        l.add(null, false, 3, new int[]{4}, "<num>", "device");
        l.add(null, false, 4, new int[]{-1}, "<num>", "function");
        l.add(null, false, 1, new int[]{2}, "usb", "pass through usb device");
        l.add(null, false, 2, new int[]{3}, "<num>", "bus");
        l.add(null, false, 3, new int[]{4, -1}, "<num>", "port");
        l.add(null, false, 4, new int[]{-1}, "<num>", "hubport");
        l.add(null, false, 1, new int[]{2}, "vga2vnc", "enable vnc access");
        l.add(null, false, 2, new int[]{-1}, "<str>", "vnc address");
        l.add(null, false, 1, new int[]{2}, "tcp2vrf", "pass host port in");
        l.add(null, false, 2, new int[]{3}, "<num>", "host port");
        l.add(null, false, 3, new int[]{4}, "<str>", "vdc vrf");
        l.add(null, false, 4, new int[]{5, -1}, "<num>", "vdc port");
        l.add(null, false, 5, new int[]{-1}, "<addr>", "host ip to bind to");
        l.add(null, false, 1, new int[]{2}, "time", "specify time between runs");
        l.add(null, false, 2, new int[]{-1}, "<num>", "milliseconds between runs");
        l.add(null, false, 1, new int[]{2}, "delay", "specify initial delay");
        l.add(null, false, 2, new int[]{-1}, "<num>", "milliseconds before start");
        l.add(null, false, 1, new int[]{2}, "random-time", "specify random time between runs");
        l.add(null, false, 2, new int[]{-1}, "<num>", "milliseconds between runs");
        l.add(null, false, 1, new int[]{2}, "random-delay", "specify random initial delay");
        l.add(null, false, 2, new int[]{-1}, "<num>", "milliseconds before start");
        l.add(null, false, 1, new int[]{2}, "range", "specify time range");
        l.add(null, false, 2, new int[]{-1}, "<name:tm>", "name of time map");
        l.add(null, false, 1, new int[]{-1}, "log-actions", "log actions");
        l.add(null, false, 1, new int[]{-1}, "log-console", "log console activity");
        l.add(null, false, 1, new int[]{2}, "log-collect", "collect console activity");
        l.add(null, false, 2, new int[]{-1}, "<num>", "lines to store");
    }

    public List<String> getShRun(int filter) {
        List<String> l = new ArrayList<String>();
        l.add("vdc definition " + name);
        cmds.cfgLine(l, description.length() < 1, cmds.tabulator, "description", description);
        cmds.cfgLine(l, !respawn, cmds.tabulator, "respawn", "");
        cmds.cfgLine(l, !priviledged, cmds.tabulator, "priviledged", "");
        cmds.cfgLine(l, !children, cmds.tabulator, "children", "");
        l.add(cmds.tabulator + "priority " + redunPrio);
        for (int i = 0; i < ifaces.size(); i++) {
            l.add(cmds.tabulator + "interface " + ifaces.get(i));
        }
        for (int i = 0; i < locals.size(); i++) {
            l.add(cmds.tabulator + "local " + locals.get(i));
        }
        for (int i = 0; i < conns.size(); i++) {
            l.add(cmds.tabulator + "connect " + conns.get(i));
        }
        l.add(cmds.tabulator + "uuid " + uuidValue);
        l.add(cmds.tabulator + "user " + userValue);
        l.add(cmds.tabulator + "pinning " + cpuPinning);
        l.add(cmds.tabulator + "cpu " + cpuType);
        l.add(cmds.tabulator + "vga2vnc " + vga2vnc);
        l.add(cmds.tabulator + "bios " + biosName);
        l.add(cmds.tabulator + "uefi " + uefiName);
        l.add(cmds.tabulator + "boot " + bootName);
        l.add(cmds.tabulator + "config " + configFile);
        l.add(cmds.tabulator + "image " + image1name);
        l.add(cmds.tabulator + "disk2 " + image2name);
        l.add(cmds.tabulator + "disk3 " + image3name);
        l.add(cmds.tabulator + "disk4 " + image4name);
        l.add(cmds.tabulator + "cdrom " + cdromName);
        l.add(cmds.tabulator + "memory " + imageMem);
        cmds.cfgLine(l, password == null, cmds.tabulator, "password", authLocal.passwdEncode(password, (filter & 2) != 0));
        l.add(cmds.tabulator + "cores " + imageCpu);
        l.add(cmds.tabulator + "nic " + nicType);
        l.add(cmds.tabulator + "mac " + macBase);
        for (int i = 0; i < pcis.size(); i++) {
            l.add(cmds.tabulator + "pci " + pcis.get(i));
        }
        for (int i = 0; i < usbs.size(); i++) {
            l.add(cmds.tabulator + "usb " + usbs.get(i));
        }
        for (int i = 0; i < tcps.size(); i++) {
            l.add(cmds.tabulator + "tcp2vrf " + tcps.get(i));
        }
        cmds.cfgLine(l, !logAct, cmds.tabulator, "log-actions", "");
        cmds.cfgLine(l, !logCon, cmds.tabulator, "log-console", "");
        cmds.cfgLine(l, logCol == null, cmds.tabulator, "log-collect", "" + logBuf.getSize(logCol));
        l.add(cmds.tabulator + "delay " + initial);
        l.add(cmds.tabulator + "time " + interval);
        l.add(cmds.tabulator + "random-time " + randInt);
        l.add(cmds.tabulator + "random-delay " + randIni);
        cmds.cfgLine(l, time == null, cmds.tabulator, "range", "" + time);
        l.add(cmds.tabulator + cmds.finish);
        l.add(cmds.comment);
        if ((filter & 1) == 0) {
            return l;
        }
        return userFilter.filterText(l, defaultF);
    }

    public void doCfgStr(cmds cmd) {
        String a = cmd.word();
        if (a.equals("rename")) {
            a = cmd.word();
            cfgVdc v = cfgAll.vdcFind(a, false);
            if (v != null) {
                cmd.error("vdc already exists");
                return;
            }
            name = a;
            return;
        }
        if (a.equals("respawn")) {
            respawn = true;
            return;
        }
        if (a.equals("priviledged")) {
            priviledged = true;
            return;
        }
        if (a.equals("children")) {
            children = true;
            return;
        }
        if (a.equals("priority")) {
            redunPrio = bits.str2num(cmd.word());
            return;
        }
        if (a.equals("description")) {
            description = cmd.getRemaining();
            return;
        }
        if (a.equals("bios")) {
            biosName = cmd.getRemaining();
            return;
        }
        if (a.equals("uefi")) {
            uefiName = cmd.getRemaining();
            return;
        }
        if (a.equals("boot")) {
            bootName = cmd.getRemaining();
            return;
        }
        if (a.equals("config")) {
            configFile = cmd.getRemaining();
            return;
        }
        if (a.equals("image")) {
            image1name = cmd.getRemaining();
            return;
        }
        if (a.equals("disk2")) {
            image2name = cmd.getRemaining();
            return;
        }
        if (a.equals("disk3")) {
            image3name = cmd.getRemaining();
            return;
        }
        if (a.equals("disk4")) {
            image4name = cmd.getRemaining();
            return;
        }
        if (a.equals("uuid")) {
            uuidValue = cmd.word();
            return;
        }
        if (a.equals("user")) {
            userValue = cmd.word();
            return;
        }
        if (a.equals("pinning")) {
            cpuPinning = cmd.word();
            return;
        }
        if (a.equals("cpu")) {
            cpuType = cmd.word();
            return;
        }
        if (a.equals("cdrom")) {
            cdromName = cmd.getRemaining();
            return;
        }
        if (a.equals("memory")) {
            imageMem = bits.str2num(cmd.word());
            return;
        }
        if (a.equals("password")) {
            password = authLocal.passwdDecode(cmd.getRemaining());
            return;
        }
        if (a.equals("cores")) {
            imageCpu = bits.str2num(cmd.word());
            return;
        }
        if (a.equals("nic")) {
            nicType = cmd.word();
            return;
        }
        if (a.equals("mac")) {
            macBase = new addrMac();
            macBase.fromString(cmd.word());
            return;
        }
        if (a.equals("interface")) {
            String pnm[] = cfgIfc.dissectName(cmd.word());
            if (pnm == null) {
                cmd.error("invalid interface name");
                return;
            }
            cfgVdcIfc res = new cfgVdcIfc(pnm[0] + pnm[1] + pnm[2], "");
            res = cfgInit.ifaceLst.find(res);
            if (res == null) {
                cmd.error("no such interface");
                return;
            }
            cfgAll.vdcNoIfc(res);
            ifaces.add(res);
            return;
        }
        if (a.equals("local")) {
            String pnm[] = cfgIfc.dissectName(cmd.word());
            if (pnm == null) {
                cmd.error("invalid interface name");
                return;
            }
            a = pnm[0] + pnm[1] + pnm[2];
            tabRouteIface.ifaceType typ = cfgIfc.string2type(a);
            if (typ == null) {
                cmd.error("bad name");
                return;
            }
            if (cfgInit.ifaceLst.find(new cfgVdcIfc(a, "")) != null) {
                cmd.error("physical interface exists");
                return;
            }
            if (conns.find(new cfgVdcConn(a, this)) != null) {
                cmd.error("connection exists");
                return;
            }
            cfgVdcIfc ntry = new cfgVdcIfc(a, "");
            ntry.redundancy = cmd.word().equals("redundancy");
            locals.add(ntry);
            if (!cfgInit.booting) {
                return;
            }
            if (cfgAll.ifcFind(a, 0) != null) {
                return;
            }
            ntry.portL = cfgInit.vdcPortBeg;
            ntry.portR = cfgInit.vdcPortBeg + 1;
            ifcUdpInt hdr = new ifcUdpInt("127.0.0.1", cfgInit.vdcPortBeg, "127.0.0.1", cfgInit.vdcPortBeg + 1, "-", typ != tabRouteIface.ifaceType.ether, false);
            cfgIfc ifc = cfgAll.ifcAdd(a, typ, hdr, 1);
            if (ifc == null) {
                return;
            }
            ifc.initPhysical();
            if (debugger.cfgInitHw) {
                logger.debug("iface " + hdr);
            }
            cfgInit.vdcPortBeg += 2;
            return;
        }
        if (a.equals("connect")) {
            String pnm[] = cfgIfc.dissectName(cmd.word());
            if (pnm == null) {
                cmd.error("invalid interface name");
                return;
            }
            a = pnm[0] + pnm[1] + pnm[2];
            if (cfgIfc.string2type(a) == null) {
                cmd.error("bad name");
                return;
            }
            if (cfgInit.ifaceLst.find(new cfgVdcIfc(a, "")) != null) {
                cmd.error("physical interface exists");
                return;
            }
            if (locals.find(new cfgVdcIfc(a, "")) != null) {
                cmd.error("local exists");
                return;
            }
            cfgVdc peer = cfgAll.vdcFind(cmd.word(), false);
            if (peer == null) {
                cmd.error("no such vdc");
                return;
            }
            if (peer.locals.find(new cfgVdcIfc(a, "")) != null) {
                cmd.error("peer local exists");
                return;
            }
            delConn(a);
            peer.delConn(a);
            cfgVdcConn c1 = new cfgVdcConn(a, peer);
            cfgVdcConn c2 = new cfgVdcConn(a, this);
            c1.conn = c2;
            c2.conn = c1;
            conns.add(c1);
            peer.conns.add(c2);
            return;
        }
        if (a.equals("pci")) {
            cfgVdcPci dev = new cfgVdcPci();
            dev.fromString(cmd);
            pcis.add(dev);
            return;
        }
        if (a.equals("usb")) {
            cfgVdcUsb dev = new cfgVdcUsb();
            dev.fromString(cmd);
            usbs.add(dev);
            return;
        }
        if (a.equals("vga2vnc")) {
            vga2vnc = cmd.word();
            return;
        }
        if (a.equals("tcp2vrf")) {
            cfgVdcTcp dev = new cfgVdcTcp();
            dev.fromString(cmd);
            tcps.add(dev);
            return;
        }
        if (a.equals("log-actions")) {
            logAct = true;
            return;
        }
        if (a.equals("log-collect")) {
            logCol = new logBuf(bits.str2num(cmd.word()));
            return;
        }
        if (a.equals("log-console")) {
            logCon = true;
            return;
        }
        if (a.equals("delay")) {
            initial = bits.str2num(cmd.word());
            return;
        }
        if (a.equals("time")) {
            interval = bits.str2num(cmd.word());
            return;
        }
        if (a.equals("random-time")) {
            randInt = bits.str2num(cmd.word());
            return;
        }
        if (a.equals("random-delay")) {
            randIni = bits.str2num(cmd.word());
            return;
        }
        if (a.equals("range")) {
            time = cfgAll.timeFind(cmd.word(), false);
            return;
        }
        if (!a.equals(cmds.negated)) {
            cmd.badCmd();
            return;
        }
        a = cmd.word();
        if (a.equals("respawn")) {
            respawn = false;
            return;
        }
        if (a.equals("priviledged")) {
            priviledged = false;
            return;
        }
        if (a.equals("children")) {
            children = false;
            return;
        }
        if (a.equals("priority")) {
            redunPrio = defPrio;
            return;
        }
        if (a.equals("description")) {
            description = "";
            return;
        }
        if (a.equals("bios")) {
            biosName = null;
            return;
        }
        if (a.equals("uefi")) {
            uefiName = null;
            return;
        }
        if (a.equals("boot")) {
            bootName = null;
            return;
        }
        if (a.equals("config")) {
            configFile = null;
            return;
        }
        if (a.equals("image")) {
            image1name = null;
            return;
        }
        if (a.equals("disk2")) {
            image2name = null;
            return;
        }
        if (a.equals("disk3")) {
            image3name = null;
            return;
        }
        if (a.equals("disk4")) {
            image4name = null;
            return;
        }
        if (a.equals("uuid")) {
            uuidValue = null;
            return;
        }
        if (a.equals("user")) {
            userValue = null;
            return;
        }
        if (a.equals("pinning")) {
            cpuPinning = null;
            return;
        }
        if (a.equals("cpu")) {
            cpuType = null;
            return;
        }
        if (a.equals("cdrom")) {
            cdromName = null;
            return;
        }
        if (a.equals("memory")) {
            imageMem = 512;
            return;
        }
        if (a.equals("password")) {
            password = null;
            return;
        }
        if (a.equals("cores")) {
            imageCpu = 1;
            return;
        }
        if (a.equals("nic")) {
            nicType = "e1000";
            return;
        }
        if (a.equals("mac")) {
            macBase = null;
            return;
        }
        if (a.equals("interface")) {
            String pnm[] = cfgIfc.dissectName(cmd.word());
            if (pnm == null) {
                cmd.error("invalid interface name");
                return;
            }
            ifaces.del(new cfgVdcIfc(pnm[0] + pnm[1] + pnm[2], ""));
            return;
        }
        if (a.equals("local")) {
            String pnm[] = cfgIfc.dissectName(cmd.word());
            if (pnm == null) {
                cmd.error("invalid interface name");
                return;
            }
            locals.del(new cfgVdcIfc(pnm[0] + pnm[1] + pnm[2], ""));
            return;
        }
        if (a.equals("connect")) {
            String pnm[] = cfgIfc.dissectName(cmd.word());
            if (pnm == null) {
                cmd.error("invalid interface name");
                return;
            }
            delConn(pnm[0] + pnm[1] + pnm[2]);
            return;
        }
        if (a.equals("pci")) {
            cfgVdcPci dev = new cfgVdcPci();
            dev.fromString(cmd);
            pcis.del(dev);
            return;
        }
        if (a.equals("usb")) {
            cfgVdcUsb dev = new cfgVdcUsb();
            dev.fromString(cmd);
            usbs.del(dev);
            return;
        }
        if (a.equals("vga2vnc")) {
            vga2vnc = null;
            return;
        }
        if (a.equals("tcp2vrf")) {
            cfgVdcTcp dev = new cfgVdcTcp();
            dev.fromString(cmd);
            tcps.del(dev);
            return;
        }
        if (a.equals("log-actions")) {
            logAct = false;
            return;
        }
        if (a.equals("log-collect")) {
            logCol = null;
            return;
        }
        if (a.equals("log-console")) {
            logCon = false;
            return;
        }
        if (a.equals("random-time")) {
            randInt = 0;
            return;
        }
        if (a.equals("random-delay")) {
            randIni = 0;
            return;
        }
        if (a.equals("range")) {
            time = null;
            return;
        }
        cmd.badCmd();
    }

    public String getPrompt() {
        return "vdc";
    }

    public void run() {
        for (;;) {
            if (!cfgInit.booting) {
                break;
            }
            bits.sleep(1000);
        }
        int del = initial;
        if (randIni > 0) {
            del += bits.random(1, randIni);
        }
        if (del > 0) {
            bits.sleep(del);
        }
        for (;;) {
            bits.sleep(interval);
            if (!need2run) {
                break;
            }
            if (!respawn) {
                continue;
            }
            try {
                doRound();
            } catch (Exception e) {
                logger.traceback(e);
            }
        }
        redunPrio = stopPrio;
        if (logAct) {
            logger.info("stopped vdc " + name);
        }
    }

    private String getCommand() {
        addrMac mac;
        if (macBase == null) {
            mac = addrMac.getRandom();
        } else {
            mac = macBase.copyBytes();
        }
        addrMac one = new addrMac();
        one.fromString("0000:0000:0001");
        String cmd;
        if (image1name == null) {
            String a = cfgBase + cfgInit.hwCfgEnd;
            String s = cfgBase + cfgInit.swCfgEnd;
            if (configFile != null) {
                s = configFile;
            }
            cmd = cfgInit.getJvmExec() + " " + cfgInit.jvmParam + " -Xmx" + imageMem + "m -jar " + cfgInit.getFileName() + " routercs " + a + " " + s;
        } else {
            cmd = "qemu-system-x86_64 -monitor none -serial stdio -nographic -no-reboot -enable-kvm -drive file=" + image1name + ",format=raw,cache=unsafe -m " + imageMem;
            if (vga2vnc != null) {
                cmd += " -vnc " + vga2vnc;
            }
            if (biosName != null) {
                cmd += " -bios " + biosName;
            }
            if (uefiName != null) {
                cmd += " -drive if=pflash,format=raw,readonly,file=" + uefiName;
            }
            if (bootName != null) {
                cmd += " -boot " + bootName;
            }
            if (cdromName != null) {
                cmd += " -cdrom " + cdromName;
            }
            if (image2name != null) {
                cmd += " -hdb " + image2name;
            }
            if (image3name != null) {
                cmd += " -hdc " + image3name;
            }
            if (image4name != null) {
                cmd += " -hdd " + image4name;
            }
            if (uuidValue != null) {
                cmd += " -uuid " + uuidValue;
            }
            if (imageCpu > 1) {
                cmd += " -smp cores=" + imageCpu + ",threads=1,sockets=1";
            }
            if (cpuType != null) {
                cmd += " -cpu " + cpuType;
            }
            int vl = 1;
            for (int i = 0; i < ifaces.size(); i++) {
                cfgVdcIfc ntry = ifaces.get(i);
                cmd += " -netdev socket,id=n" + vl + ",udp=" + ntry.peer + ":" + ntry.portR + ",localaddr=:" + ntry.portL + " -device " + nicType + ",netdev=n" + vl + ",mac=" + mac.toEmuStr();
                vl++;
                mac.setAdd(mac, one);
            }
            for (int i = 0; i < locals.size(); i++) {
                cfgVdcIfc ntry = locals.get(i);
                cmd += " -netdev socket,id=n" + vl + ",udp=127.0.0.1:" + ntry.portR + ",localaddr=:" + ntry.portL + " -device " + nicType + ",netdev=n" + vl + ",mac=" + mac.toEmuStr();
                vl++;
                mac.setAdd(mac, one);
            }
            for (int i = 0; i < conns.size(); i++) {
                cfgVdcConn ntry = conns.get(i);
                cmd += " -netdev socket,id=n" + vl + ",udp=127.0.0.1:" + ntry.port + ",localaddr=:" + ntry.conn.port + " -device " + nicType + ",netdev=n" + vl + ",mac=" + mac.toEmuStr();
                vl++;
                mac.setAdd(mac, one);
            }
            for (int i = 0; i < pcis.size(); i++) {
                cfgVdcPci dev = pcis.get(i);
                cmd += dev.toQemuStr();
            }
            if (usbs.size() > 0) {
                cmd += " -usb";
            }
            for (int i = 0; i < usbs.size(); i++) {
                cfgVdcUsb dev = usbs.get(i);
                cmd += dev.toQemuStr();
            }
        }
        if (cpuPinning != null) {
            cmd = "taskset " + cpuPinning + " " + cmd;
        }
        if (userValue != null) {
            cmd = "sudo -u " + userValue + " " + cmd;
        }
        return cmd;
    }

    private synchronized void doRound() {
        if (time != null) {
            if (time.matches(bits.getTime() + cfgAll.timeServerOffset)) {
                return;
            }
        }
        if (logAct) {
            logger.info("restarting vdc " + name);
        }
        if (randInt > 0) {
            bits.sleep(bits.random(1, randInt));
        }
        restartT = bits.getTime();
        restartC++;
        pipeLine pl = new pipeLine(65536, false);
        pipe = pl.getSide();
        pipe.lineTx = pipeSide.modTyp.modeCRLF;
        pipe.lineRx = pipeSide.modTyp.modeCRorLF;
        String cmd = getCommand();
        bits.buf2txt(true, bits.str2lst(cmd), cfgBase + "cmd" + userUpgrade.tmpExt);
        proc = pipeShell.exec(pl.getSide(), cmd, null, true, true, false, children);
        if (proc == null) {
            return;
        }
        for (;;) {
            if (!proc.isRunning()) {
                break;
            }
            if (con == null) {
                pipeDiscard.logLines("vdc " + name + " said ", pipe, logCon, logCol);
                bits.sleep(1000);
                continue;
            }
            boolean b = pipeConnect.redirect(pipe, con);
            b |= pipeConnect.redirect(con, pipe);
            if (b) {
                con.setClose();
                con = null;
            }
            bits.sleep(100);
        }
        restartE = proc.resultNum();
    }

    /**
     * destroy this vdc
     */
    public void stopNow() {
        need2run = false;
        redunPrio = stopPrio;
        restartNow();
    }

    /**
     * restart this vdc
     */
    public void restartNow() {
        try {
            proc.kill();
        } catch (Exception e) {
        }
        try {
            pipe.setClose();
        } catch (Exception e) {
        }
    }

    /**
     * set respawn status
     *
     * @param res status
     */
    public void setRespawn(boolean res) {
        respawn = res;
    }

    private void addParam(List<String> l, String typ, String val) {
        if (val == null) {
            return;
        }
        l.add(typ + " " + val);
    }

    /**
     * start this vdc now
     *
     * @param defs defaults
     * @param inhs inheritables
     * @param beg vdc begin port
     * @param end vdc end port
     */
    public void startNow(List<String> defs, List<String> inhs, int beg, int end) {
        need2run = true;
        cfgBase = cfgInit.getRWpath() + "vdc-" + name + "-";
        List<String> l = new ArrayList<String>();
        l.add("save " + cfgBase + "sav.txt");
        l.add("hwid " + cfgInit.hwIdNum);
        if (uuidValue == null) {
            l.add("hwsn " + cfgInit.hwSnNum);
        } else {
            l.add("hwsn " + uuidValue);
        }
        l.add("prnt " + cfgAll.hostName);
        l.add("rwpath " + cfgInit.getRWpath());
        if (!priviledged) {
            l.add("limited");
        }
        l.add("port " + beg + " " + end);
        l.add("prio " + redunPrio);
        addParam(l, "enc", password);
        addParam(l, "jvm", cfgInit.jvmParam);
        addParam(l, "url", cfgAll.upgradeServer);
        addParam(l, "key", cfgAll.upgradePubKey);
        for (int i = 0; i < defs.size(); i++) {
            l.add("def " + defs.get(i));
        }
        for (int i = 0; i < inhs.size(); i++) {
            l.add(inhs.get(i));
        }
        for (int i = 0; i < tcps.size(); i++) {
            l.add("tcp2vrf " + tcps.get(i));
        }
        for (int i = 0; i < ifaces.size(); i++) {
            cfgVdcIfc ntry = ifaces.get(i);
            l.add("int " + ntry.line);
            cfgIfc ifc = cfgAll.ifcFind(ntry.name, 0);
            if (ifc == null) {
                continue;
            }
            cfgAll.ifcDel(ntry.name, false);
            try {
                ifc.thread.closeDn();
            } catch (Exception e) {
            }
        }
        addrMac mac;
        if (macBase == null) {
            mac = addrMac.getRandom();
        } else {
            mac = macBase.copyBytes();
        }
        addrMac one = new addrMac();
        one.fromString("0000:0000:0001");
        for (int i = 0; i < locals.size(); i++) {
            cfgVdcIfc ntry = locals.get(i);
            String a = "";
            String b = "";
            if (ntry.redundancy) {
                cfgIfc curr = cfgAll.ifcFind(ntry.name, 0);
                if (curr == null) {
                    b = " no_description";
                } else {
                    b = " " + curr.description.replaceAll(" ", "_");
                }
                a = " red";
            }
            l.add("int " + ntry.name + a + " " + ntry.name.substring(0, 3) + " " + mac + " 127.0.0.1 " + ntry.portR + " 127.0.0.1 " + ntry.portL + b);
            mac.setAdd(mac, one);
        }
        for (int i = 0; i < conns.size(); i++) {
            cfgVdcConn ntry = conns.get(i);
            if (ntry.port < 1) {
                ntry.port = cfgInit.vdcPortBeg;
                ntry.conn.port = cfgInit.vdcPortBeg + 1;
                cfgInit.vdcPortBeg += 2;
            }
            l.add("int " + ntry.name + " " + ntry.name.substring(0, 3) + " " + mac + " 127.0.0.1 " + ntry.port + " 127.0.0.1 " + ntry.conn.port);
            mac.setAdd(mac, one);
        }
        bits.buf2txt(true, l, cfgBase + cfgInit.hwCfgEnd);
        String a = cfgBase + cfgInit.swCfgEnd;
        if (configFile != null) {
            a = configFile;
        }
        if (!new File(a).exists()) {
            l = new ArrayList<String>();
            l.add("hostname " + cfgAll.hostName + "-" + name);
            bits.buf2txt(true, l, a);
        }
        new Thread(this).start();
    }

    /**
     * get info
     *
     * @return info
     */
    public String getShow() {
        return name + "|" + restartC + "|" + restartE + "|" + pipeShell.info(proc) + "|" + bits.timePast(restartT) + "|" + bits.time2str(cfgAll.timeZoneName, restartT + cfgAll.timeServerOffset, 3);
    }

}

class cfgVdcTcp implements Comparable<cfgVdcTcp> {

    public int portH;

    public String vrf;

    public int portV;

    public addrIP adr;

    public int compareTo(cfgVdcTcp o) {
        if (portH < o.portH) {
            return -1;
        }
        if (portH > o.portH) {
            return +1;
        }
        return 0;
    }

    public String toString() {
        String a = portH + " " + vrf + " " + portV;
        if (adr == null) {
            return a;
        }
        return a + " " + adr;
    }

    public void fromString(cmds cmd) {
        portH = bits.str2num(cmd.word());
        vrf = cmd.word();
        portV = bits.str2num(cmd.word());
        if (cmd.size() < 1) {
            return;
        }
        adr = new addrIP();
        if (adr.fromString(cmd.word())) {
            adr = null;
        }
    }

}

class cfgVdcPci implements Comparable<cfgVdcPci> {

    public int bus;

    public int dev;

    public int fnc;

    public int compareTo(cfgVdcPci o) {
        if (bus < o.bus) {
            return -1;
        }
        if (bus > o.bus) {
            return +1;
        }
        if (dev < o.dev) {
            return -1;
        }
        if (dev > o.dev) {
            return +1;
        }
        if (fnc < o.fnc) {
            return -1;
        }
        if (fnc > o.fnc) {
            return +1;
        }
        return 0;
    }

    public String toString() {
        return bus + " " + dev + " " + fnc;
    }

    public void fromString(cmds cmd) {
        bus = bits.str2num(cmd.word());
        dev = bits.str2num(cmd.word());
        fnc = bits.str2num(cmd.word());
    }

    public String toQemuStr() {
        return " -device vfio-pci,host=" + bits.toHexB(bus) + ":" + bits.toHexB(dev) + "." + fnc;
    }

}

class cfgVdcUsb implements Comparable<cfgVdcUsb> {

    public int bus;

    public int prt;

    public int sub;

    public int compareTo(cfgVdcUsb o) {
        if (bus < o.bus) {
            return -1;
        }
        if (bus > o.bus) {
            return +1;
        }
        if (prt < o.prt) {
            return -1;
        }
        if (prt > o.prt) {
            return +1;
        }
        if (sub < o.sub) {
            return -1;
        }
        if (sub > o.sub) {
            return +1;
        }
        return 0;
    }

    public String toString() {
        String a = bus + " " + prt;
        if (sub < 1) {
            return a;
        }
        return a + " " + sub;
    }

    public void fromString(cmds cmd) {
        bus = bits.str2num(cmd.word());
        prt = bits.str2num(cmd.word());
        if (cmd.size() < 1) {
            return;
        }
        sub = bits.str2num(cmd.word());
    }

    public String toQemuStr() {
        String a = " -device usb-host,hostbus=" + bus + ",hostport=" + prt;
        if (sub < 1) {
            return a;
        }
        return a + "." + sub;
    }

}
