mirror of
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43 lines
1.5 KiB
Plaintext
43 lines
1.5 KiB
Plaintext
#!rsc by RouterOS
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# RouterOS script: lease-script
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# Copyright (c) 2013-2021 Christian Hesse <mail@eworm.de>
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# https://git.eworm.de/cgit/routeros-scripts/about/COPYING.md
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#
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# run scripts on DHCP lease
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# https://git.eworm.de/cgit/routeros-scripts/about/doc/lease-script.md
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:local 0 "lease-script";
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:global GlobalFunctionsReady;
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:while ($GlobalFunctionsReady != true) do={ :delay 500ms; }
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:global IfThenElse;
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:global LogPrintExit2;
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:global RandomDelay;
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:if ([ :typeof $leaseActIP ] = "nothing" || \
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[ :typeof $leaseActMAC ] = "nothing" || \
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[ :typeof $leaseServerName ] = "nothing" || \
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[ :typeof $leaseBound ] = "nothing") do={
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$LogPrintExit2 error $0 ("This script is supposed to run from ip dhcp-server.") true;
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}
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:local State ([ $IfThenElse ($leaseBound = 0) "de" "" ] . "assign");
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$LogPrintExit2 debug $0 ("DHCP Server " . $leaseServerName . " " . \
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$State . "ed lease " . $leaseActIP . " to " . $leaseActMAC) false;
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# delay a moment to update the lease table, do not run in parallel for de/assign...
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:delay ((1 + $leaseBound) . "s");
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# ... or simultaneous deassign
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$RandomDelay (([ :tonum $leaseBound ] ^ 1) * 750) "ms";
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:foreach Script in=[ / system script find where source~("\n# provides: lease-script " . $State . "\n") ] do={
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:local ScriptName [ / system script get $Script name ];
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:do {
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$LogPrintExit2 debug $0 ("Running script: " . $ScriptName) false;
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/ system script run $Script;
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} on-error={
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$LogPrintExit2 warning $0 ("Running script '" . $ScriptName . "' failed!") false;
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}
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}
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