package org.freertr.serv;

import java.util.ArrayList;
import java.util.List;
import org.freertr.pipe.pipeBstun;
import org.freertr.pipe.pipeLine;
import org.freertr.pipe.pipeSide;
import org.freertr.prt.prtGenConn;
import org.freertr.prt.prtServS;
import org.freertr.tab.tabGen;
import org.freertr.user.userFilter;
import org.freertr.user.userHelp;
import org.freertr.user.userLine;
import org.freertr.user.userRead;
import org.freertr.util.bits;
import org.freertr.util.cmds;

/**
 * block serial tunneling
 *
 * @author matecsaba
 */
public class servBstun extends servGeneric implements prtServS {

    /**
     * create instance
     */
    public servBstun() {
    }

    /**
     * group number
     */
    public int grpNum;

    private userLine lin = new userLine();

    /**
     * defaults text
     */
    public final static userFilter[] defaultF = {
        new userFilter("server bstun .*", cmds.tabulator + "port " + pipeBstun.port, null),
        new userFilter("server bstun .*", cmds.tabulator + "protocol " + proto2string(protoAllStrm), null)
    };

    public userFilter[] srvDefFlt() {
        return defaultF;
    }

    public boolean srvAccept(pipeSide pipe, prtGenConn id) {
        pipeBstun bst = new pipeBstun(pipe, grpNum);
        lin.createHandler(bst.getPipe(), "" + id, 0);
        return false;
    }

    public void srvShRun(String beg, List<String> l, int filter) {
        lin.getShRun(beg, l, filter);
        l.add(beg + "group " + grpNum);
    }

    public boolean srvCfgStr(cmds cmd) {
        cmds c = cmd.copyBytes(false);
        String s = c.word();
        if (s.equals("group")) {
            grpNum = bits.str2num(c.word());
            return false;
        }
        return lin.doCfgStr(cmd);
    }

    public void srvHelp(userHelp l) {
        lin.getHelp(l);
        l.add(null, false, 1, new int[]{2}, "group", "set group number");
        l.add(null, false, 2, new int[]{-1}, "<num>", "group number");
    }

    public String srvName() {
        return "bstun";
    }

    public int srvPort() {
        return pipeBstun.port;
    }

    public int srvProto() {
        return protoAllStrm;
    }

    public boolean srvInit() {
        return genStrmStart(this, new pipeLine(32768, false), 0);
    }

    public boolean srvDeinit() {
        return genericStop(0);
    }

}
