Chat/ppp verification and fancy completion message
computermouth
7 years ago
parent
d1d15e8655
commit
b41c88a494
@ -1,118 +1,55 @@
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#!/usr/bin/env python
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import io
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import sys
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import serial
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import re
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import time
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#------------------------------------------------------------------
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def answer_prompt(sio,prompt_to_wait_for,answer_to_write,send_cr=True):
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#------------------------------------------------------------------
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sio.flush()
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prompt_found = False
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data = ''
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#if send_cr:
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#sio.write(unicode('\n'))
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d='something'
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while not len(d)==0:
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d = sio.read(2000);
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data += d
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time.sleep(1)
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# print '-' * 50
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# print ' %d bytes read' % (len(data))
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# print '-' * 50
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#print data
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line=''
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while not prompt_found:
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d = sio.read(100);
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data += d
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# print '-' * 50
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# print ' %d bytes read' % (len(data))
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# print '-' * 50
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# print data
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# print '-' * 50
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if len(data.split())>0:
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line=data.split()[-1]
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# print "matching [%s] against [%s]" % (line,prompt_to_wait_for)
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if(re.match(prompt_to_wait_for,line,re.M)):
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sio.write(unicode(answer_to_write+'\n'))
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# print '-' * 50
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# print ' detected [%s] ' % prompt_to_wait_for
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# print '-' * 50
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prompt_found = True
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else:
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if send_cr:
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sio.write(unicode('\n'))
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sio.flush()
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#sys.stdin.readline()
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#------------------------------------------------------------------
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def scanfor(sio,regexp_to_scan_for,answer_to_write):
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#------------------------------------------------------------------
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prompt_found = False
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data = ''
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while not prompt_found:
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data += sio.read(100);
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# print '-' * 50
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# print ' %d bytes read' % (len(data))
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# print '-' * 50
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# print data
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if re.search(regexp_to_scan_for,data):
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# print '-' * 50
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# print ' detected [%s] ' % regexp_to_scan_for
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# print '-' * 50
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sio.write(unicode(answer_to_write+'\n'))
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prompt_found = True
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sio.flush()
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return data
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#------------------------------------------------------------------
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def main():
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#------------------------------------------------------------------
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if( len(sys.argv)>1 ):
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serial_port=sys.argv[1]
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else:
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serial_port='/dev/ttyACM0';
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#print 'reading from %s:' % serial_port
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ser = serial.Serial(serial_port,115200, timeout=1);
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sio = io.TextIOWrapper(io.BufferedRWPair(ser,ser))
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#login
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print "login...",
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sys.stdout.flush()
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answer_prompt(sio,'.*login:','chip',True)
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print "OK\npassword...",
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sys.stdout.flush()
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answer_prompt(sio,'.*Password:','chip',False)
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print "OK\npoweroff...",
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sys.stdout.flush()
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answer_prompt(sio,'.*[\$#]','sudo poweroff')
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answer_prompt(sio,'.*:','chip')
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time.sleep(2)
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print "OK\n",
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#d=scanfor(sio,r'.*### [^#]+ ###.*','poweroff')
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# if re.search(r'.*### ALL TESTS PASSED ###.*',d):
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# print "---> TESTS PASSED"
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# ser.close();
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# return 0
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ser.close();
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# print "---> TESTS FAILED"
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return 0
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#------------------------------------------------------------------
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if __name__ == "__main__":
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#------------------------------------------------------------------
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exit( main() )
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#!/bin/bash
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SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
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SCRIPT_NAME="$(basename $0)"
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CHAT_SCRIPT="${SCRIPT_DIR}/${SCRIPT_NAME}.chat"
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CHAT_BIN="$(which chat)"
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CHAT_BIN="${CHAT_BIN:-/usr/sbin/chat}"
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UART_DEVICE=ttyACM0
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GETTY_UART_SERVICE="serial-getty@${UART_DEVICE}.service"
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GETTY_DISABLED=0
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export TIMEOUT=3
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#echo "DUT_UART_RUN=$DUT_UART_RUN"
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while getopts "t:" opt; do
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case $opt in
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t)
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TIMEOUT="${OPTARG}"
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echo "timeout set to ${TIMEOUT}"
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;;
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\?)
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echo "Invalid option: -$OPTARG" >&2
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exit 1
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;;
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esac
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done
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shift $((OPTIND-1))
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export DUT_UART_PARAMETER="$@"
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if [[ "$(systemctl is-active $GETTY_UART_SERVICE)" == "active" ]]; then
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echo "stopping $GETTY_UART_SERVICE"
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systemctl stop $GETTY_UART_SERVICE
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GETTY_DISABLED=1
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fi
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[[ -r "${CHAT_SCRIPT}" ]] || (echo "ERROR: can not read ${CHAT_SCRIPT}" && exit 1)
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[[ -r "${CHAT_BIN}" ]] || (echo -e "ERROR: ${CHAT_BIN} not found\n -- 'sudo apt-get install ppp'" && exit 1)
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for i in `seq 1 3`;
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do
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echo -e "Waiting for serial gadget...Attempt(${i}/3)"
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/usr/sbin/chat -t $TIMEOUT -E -V -f "${CHAT_SCRIPT}" </dev/${UART_DEVICE} >/dev/${UART_DEVICE}\
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&& break\
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|| (echo -e "ERROR: failed to verify\n" && exit 1)
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done
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echo "SUCCESS: CHIP is powering down"
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if [[ ${GETTY_DISABLED} == 1 ]]; then
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echo "starting $GETTY_UART_SERVICE"
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systemctl start $GETTY_UART_SERVICE
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fi
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@ -0,0 +1,8 @@
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SAY "\n [ACM] Trying to login..."
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TIMEOUT 40
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'' \n ogin:-\n-login: root\n assword: chip\n '# ' ''
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SAY "\n [ACM] Successfully logged in"
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TIMEOUT 40
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'# ' '/sbin/poweroff'
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SAY "\n [ACM] Powering off..."
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TIMEOUT 40
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