# /tmp/1/curl -V
curl 7.37.1 (arm-buildroot-linux-uclibcgnueabi) libcurl/7.37.1 OpenSSL/1.0.1i zlib/1.2.8
Protocols: dict file ftp ftps gopher http https imap imaps pop3 pop3s rtsp smtp smtps telnet tftp
Features: NTLM SSL libz TLS-SRP

#!/bin/bash
has_gw()
{
          GWRES=`route | awk '/^default.*/ {print $1}'`
          if [ "${GWRES}" = "" ]; then
                  return 1;
          else
                  return 0;
          fi
}

IP=192.168.0.111
GW=192.168.0.1

while true; do
ping $IP -c 1 -W 2 > /dev/null

if [ $? -eq 0 ]; then
          route del default gw $GW > /dev/null 2>&1
else
          has_gw;
          if [ $? -eq 1 ]; then
                  route add default gw $GW > /dev/null
                  #echo ROUTE HAS ADDED
          fi
fi

sleep 1
done

Filesystem                Size      Used Available Use% Mounted on
rootfs                    7.9M      7.5M    388.0K  95% /
/dev/root                 7.9M      7.5M    388.0K  95% /
udev                     46.6M     76.0K     46.5M   0% /dev
/dev/ubi1_0              19.8M     10.2M      8.6M  54% /dav
/dev/ubi3_0               1.3M     72.0K      1.1M   6% /davinci
/dev/ubi4_0               1.3M     68.0K      1.1M   6% /config

#!/bin/bash

MOB=192.168.0.111
LOGIN=admin
PASS=admin
CAMERA=127.0.0.1

CSET=1
sc() {
    CSET=$1
    VAL="true"
    if [ $1 -eq 0 ]; then VAL="false"; fi
    /dav/curl --basic -u $LOGIN:$PASS -X PUT http://$CAMERA:80/ISAPI/WLAlarm/PIR --data '<?xml version:"1.0" encoding="UTF-8"?><PIRAlarm><enabled>'$VAL'</enabled><name>PIR</name></PIRAlarm>' > /dev/null 2>&1
}

CRES=`/dav/curl --basic -u $LOGIN:$PASS http://$CAMERA:80/ISAPI/WLAlarm/PIR | awk '/^<enabled>true<\/enabled>.*/ {print $1}'` > /dev/null 2>&1
if [ "${CRES}" = "" ]; then CSET=0; fi

while true; do
ping $MOB -c 1 -W 2 > /dev/null

if [ $? -eq 0 ]; then
    if [ $CSET -ne 0 ]; then sc 0; fi
else
    if [ $CSET -ne 1 ]; then sc 1; fi
fi

sleep 1
done