#!/bin/bash

. /etc/rc.conf
. /etc/rc.d/functions

for s in wireless bonding bridges dhcpcd; do
    [[ -f /etc/conf.d/$s ]] && . "/etc/conf.d/$s"
done

ifup()
{
    if [[ ! $1 ]]; then
        echo "usage: $0 ifup <interface_name>"
        return 1
    fi
    eval ifcfg="\$${1}"

    # Get the name of the interface from the first token in the string
    if [[ $ifcfg = dhcp ]]; then
        ifname=$1
    else
        ifname=${ifcfg%% *}
    fi

    /sbin/ifconfig $ifname up

    wi_up $1 || return 1

    if [[ $ifcfg = dhcp ]]; then
        # remove the .pid file if it exists
        /bin/rm -f /var/run/dhcpcd-${1}.pid >/dev/null 2>&1
        /bin/rm -f /var/run/dhcpcd-${1}.cache >/dev/null 2>&1
        /sbin/dhcpcd $DHCPCD_ARGS ${1}
    else
        /sbin/ifconfig $ifcfg
    fi
}

wi_up()
{
    eval iwcfg="\$wlan_${1}"
    [[ ! $iwcfg ]] && return 0

    /usr/sbin/iwconfig $iwcfg
    [[ $WIRELESS_TIMEOUT ]] || WIRELESS_TIMEOUT=2
    sleep $WIRELESS_TIMEOUT

    bssid=$(iwgetid $1 -ra)
    if [[ $bssid = 00:00:00:00:00:00 ]]; then
        printhl "Could not associate $1 - try increasing WIRELESS_TIMEOUT and check network is WEP or has no security"
        return 1
    fi
    return 0
}

ifdown()
{
    if [[ ! $1 ]]; then
        echo "usage: $0 ifdown <interface_name>"
        return 1
    fi
    eval ifcfg="\$${1}"
    if [[ $ifcfg = dhcp && -f /var/run/dhcpcd-${1}.pid ]]; then
        /sbin/dhcpcd -k ${1} >/dev/null 2>&1
    fi
    # Always bring the interface itself down
    /sbin/ifconfig ${1} down >/dev/null 2>&1
}

iflist()
{
    for ifline in ${INTERFACES[@]}; do
        if [[ $ifline = ${ifline#!} ]]; then
            printf " $ifline:\t"
        else
            printf "$ifline:\t"
        fi
        eval real_ifline=\$${ifline#!}
        echo $real_ifline
    done
}

rtup()
{
    if [[ ! $1 ]]; then
        echo "usage: $0 rtup <route_name>"
        return 1
    fi
    eval routecfg="\$${1}"
    if [[ $routecfg =~ :: ]]; then
        /sbin/route -A inet6 add $routecfg
    else
        /sbin/route add $routecfg
    fi
}

rtdown()
{
    if [[ ! $1 ]]; then
        echo "usage: $0 rtdown <route_name>"
        return 1
    fi
    eval routecfg="\$${1}"
    if [[ $routecfg =~ :: ]]; then
        /sbin/route -A inet6 del $routecfg
    else
        /sbin/route del $routecfg
    fi
}

rtlist()
{
    for rtline in ${ROUTES[@]}; do
        if [[ $rtline = ${rtline#!} ]]; then
            printf " $rtline:\t"
        else
            printf "$rtline:\t"
        fi
        eval real_rtline=\$${rtline#!}
        echo $real_rtline
    done
}

bond_up()
{
    for ifline in ${BOND_INTERFACES[@]}; do
        if [[ $ifline = ${ifline#!} ]]; then
            eval bondcfg="\$bond_${ifline}"
            if [[ ${bondcfg} ]]; then
                /sbin/ifenslave $ifline $bondcfg || error=1
            fi
        fi
    done
}

bond_down()
{
    for ifline in ${BOND_INTERFACES[@]}; do
        if [[ $ifline = ${ifline#!} ]]; then
            eval bondcfg="\$bond_${ifline}"
            /sbin/ifenslave -d $ifline $bondcfg || error=1
        fi
    done
}

bridge_up()
{
    for br in ${BRIDGE_INTERFACES[@]}; do
        if [[ $br = ${br#!} ]]; then
            # if the bridge already exists, remove it
            if [[ $(/sbin/ifconfig $br 2>/dev/null) ]]; then
                /sbin/ifconfig $br down
                /usr/sbin/brctl delbr $br
            fi
            /usr/sbin/brctl addbr $br
            eval brifs="\$bridge_${br}"
            for brif in $brifs; do
                if [[ $brif = ${brif#!} ]]; then
                    for ifline in ${BOND_INTERFACES[@]}; do
                        if [[ $brif = $ifline && $ifline = ${ifline#!} ]]; then
                            ifup $ifline
                            eval bondcfg="\$bond_${ifline}"
                            /sbin/ifenslave $ifline $bondcfg || error=1
                            unset bond_${ifline}
                        fi
                    done

                    /usr/sbin/brctl addif $br $brif || error=1
                fi
            done
        fi
    done
}

bridge_down()
{
    for br in ${BRIDGE_INTERFACES[@]}; do
        if [[ $br = ${br#!} ]]; then
            /usr/sbin/brctl delbr $br
        fi
    done
}


case "$1" in
    start)
        if ! ck_daemon network; then
            echo "Network is already running.  Try 'network restart'"
            exit
        fi

        stat_busy "Starting Network"
        error=0
        # bring up bridge interfaces
        bridge_up
        # bring up ethernet interfaces
        for ifline in ${INTERFACES[@]}; do
            if [[ $ifline = ${ifline#!} ]]; then
                ifup $ifline || error=1
            fi
        done
        # bring up bond interfaces
        bond_up
        # bring up routes
        for rtline in "${ROUTES[@]}"; do
            if [ "$rtline" = "${rtline#!}" ]; then
                rtup $rtline || error=1
            fi
        done
        if ((error == 0)); then
            add_daemon network
            stat_done
        else
            stat_fail
        fi
        ;;
    stop)
        #if ck_daemon network; then
        #	echo "Network is not running.  Try 'network start'"
        #	exit
        #fi

        if [[ $NETWORK_PERSIST =~ yes|YES && $RUNLEVEL == [06] ]]; then
            status "Skipping Network Shutdown" true
            exit 0
        fi

        stat_busy "Stopping Network"
        rm_daemon network
        error=0
        for rtline in "${ROUTES[@]}"; do
            if [[ $rtline = ${rtline#!} ]]; then
                rtdown $rtline || error=1
            fi
        done
        # bring down bond interfaces
        bond_down
        for ifline in ${INTERFACES[@]}; do
            if [[ $ifline = ${ifline#!} ]]; then
                ifdown $ifline || error=1
            fi
        done
        # bring down bridge interfaces
        bridge_down
        if ((error == 0)); then
            stat_done
        else
            stat_fail
        fi
        ;;
    restart)
        $0 stop
        /bin/sleep 2
        $0 start
        ;;
    ifup|ifdown|iflist|rtup|rtdown|rtlist)
        $1 $2
        ;;
    *)
        echo "usage: $0 {start|stop|restart}"
        echo "       $0 {ifup|ifdown|iflist|rtup|rtdown|rtlist}";;
esac

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