#!/bin/sh

LOCAL_DOMAIN="192.168.1.140"
LOCAL_ADDR=http://$LOCAL_DOMAIN/

check_ip_timeout_vendor(){
    #$1 timeout(s)
    let timeout=0
    while [ $timeout -lt $1 ]
    do
        if [ x$2 != x"" ];then
            ping -c 2 $2
        else
            ping -c 2 $LOCAL_DOMAIN
        fi
        [ $? -eq 0 ] && return 0
        let timeout=$timeout+1
        sleep 1
    done
    return 1
}

check_network_vendor(){
    check_ip_timeout_vendor 20 $1
    if [ $? -ne 0 ];then
        #restart the wifi
        /etc/wifi/wifi restart
        sleep 2
        /etc/wifi/udhcpc_wlan0 restart
        sleep 2
        check_ip_timeout_vendor 10 $1
        [ $? -ne 0 ] && {
            echo "the network is not available"
            return 1
        }
        return 0
    fi
}
download_image_vendor(){
    # $1 image name  $2 DIR  $3 URL
    rm -rf $2/$1
    if [ x$3 != x"" ];then
        echo "wget $3/$1"
        wget $3/$1 -P $2
    else
        echo "wget $LOCAL_ADDR/$1"
        wget $LOCAL_ADDR/$1 -P $2
    fi

}
upgrade_start_vendor(){
    # $1 mode: upgrade_pre,boot-recovery,upgrade_post
    #return   0 -> start upgrade;  1 -> no upgrade
    #reutrn value only work in nornal mode
    #nornal mode: $NORMAL_MODE
    echo upgrade_start_vendor $1
    # for procd-init, /etc/etc_need_update cause nothing.
    # for busybox-init, /etc/etc_need_update cause etc update.
    # for more details please refer to /pseudo_init
    touch /etc/etc_need_update
    sync
    return 0
}
upgrade_finish_vendor(){
    #set version
    reboot
}