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- #!/bin/sh
- printf "Start at `date`\n"
- while true; do
- state=`nmcli -f device,state device | grep ttyUSB2 | awk '{ print $2 }'`
- if [ "$state" = "disconnected" ]; then
- result=`nmcli device connect ttyUSB2 | grep 'Unknown error'`
- if [ "$result" ]; then
- echo "Device connect failed, need reset usb device"
- sleep 1
- /root/bin/reset-ttyUSB2
- count=0
- while [ "$count" -lt 60 ]; do
- printf "[$count]\r"
- state=`nmcli -f device,state device | grep ttyUSB2`
- [ "$state" ] && printf "\nGSM back '$state' at `date`\n" && break
- count=`expr $count + 1`
- sleep 1
- done
- if [ "$count" -eq 60 ]; then
- echo "Hmmm, after waiting for $count secs, GSM device still not back"
- echo "Do we need to reboot the system?"
- exit
- fi
- else
- echo "=== Connect return no error ==="
- nmcli device | grep ttyUSB2
- sleep 1
- fi
- else
- echo -n "."
- sleep 10
- fi
- done
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