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global-functions: add $IPCalc

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[admin@MikroTik] > $IPCalc 192.168.88.188/20
Address:   192.168.88.188
Netmask:   255.255.240.0
Network:   192.168.80.0/20
HostMin:   192.168.80.1
HostMax:   192.168.95.254
Broadcast: 192.168.95.255
This commit is contained in:
Christian Hesse
2020-06-23 13:19:27 +02:00
parent 71ad56aacc
commit 38760d05b0
1 changed files with 17 additions and 0 deletions
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17
global-functions
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@ -30,6 +30,7 @@
:global GetMacVendor;
:global GetRandomNumber;
:global GetRandomSha256;
:global IPCalc;
:global LogPrintExit;
:global MailServerIsUp;
:global MkDir;
@ -335,6 +336,22 @@
:return $FingerPrint;
}
# calculate and print netmask, network, min host, max host and broadcast
:set IPCalc do={
:local Input [ :tostr $1 ];
:local Address [ :toip [ :pick $Input 0 [ :find $Input "/" ] ] ];
:local Bits [ :tonum [ :pick $Input ([ :find $Input "/" ] + 1) [ :len $Input ] ] ];
:local Mask ((255.255.255.255 << (32 - $Bits)) & 255.255.255.255);
:put ( \
"Address: " . $Address . "\n\r" . \
"Netmask: " . $Mask . "\n\r" . \
"Network: " . ($Address & $Mask) . "/" . $Bits . "\n\r" . \
"HostMin: " . (($Address & $Mask) | 0.0.0.1) . "\n\r" . \
"HostMax: " . (($Address | ~$Mask) ^ 0.0.0.1) . "\n\r" . \
"Broadcast: " . ($Address | ~$Mask));
}
# log and print with same text, optionally exit
:set LogPrintExit do={
:local Severity [ :tostr $1 ];