Last change
on this file since 3853 was 3621, checked in by Bruno Cornec, 8 years ago |
New 3?3 banch for incorporation of latest busybox 1.25. Changing minor version to handle potential incompatibilities.
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Property svn:executable
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*
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File size:
1.1 KB
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1 | #!/bin/sh
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2 |
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3 | # How often to test, seconds
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4 | ping_time=67
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5 | # "One ping, must have reply in 1 sec"
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6 | ping_opts="-c1 -W1 -w1"
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7 | # If ping failed, how soon to retry
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8 | retry_time=5
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9 | # Reinit after this many consecutive ping error
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10 | max_fail=5
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11 | # Interface whose DHCP data to use
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12 | if=${PWD##*/dhcp_}
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13 | if=${if%%_pinger}
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14 |
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15 | msg() {
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16 | echo "`date '+%Y-%m-%d %H:%M:%S'` $*" >>"$0.log"
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17 | }
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18 |
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19 | if test -f "$0.log"; then
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20 | tail -999 "$0.log" >"$0.log.new"
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21 | mv "$0.log.new" "$0.log"
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22 | fi
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23 |
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24 | test -f "/var/service/dhcp_$if/env.out" || exec env - sleep "$ping_time"
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25 |
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26 | . "/var/service/dhcp_$if/env.out"
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27 | test x"$router" != x"" || exec env - sleep "$ping_time"
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28 |
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29 | #msg "Pinging $router"
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30 | failcnt=0
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31 | while true; do
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32 | ping $ping_opts "$router" && exec env - sleep "$ping_time"
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33 | : $((failcnt++))
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34 | msg "Failed to ping $router, fail count:$failcnt"
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35 | test $failcnt -ge $max_fail && break
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36 | env - sleep "$retry_time"
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37 | done
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38 |
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39 | test -d "/var/service/dhcp_$if" && {
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40 | msg "Restarting /var/service/dhcp_$if"
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41 | sv t "/var/service/dhcp_$if"
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42 | }
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43 | test -d "/var/service/supplicant_$if" && {
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44 | msg "Restarting /var/service/supplicant_$if"
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45 | sv t "/var/service/supplicant_$if"
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46 | }
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47 | exec env - sleep "$ping_time"
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