#!rsc by RouterOS # RouterOS script: lease-script # Copyright (c) 2013-2021 Christian Hesse <mail@eworm.de> # https://git.eworm.de/cgit/routeros-scripts/about/COPYING.md # # run scripts on DHCP lease # https://git.eworm.de/cgit/routeros-scripts/about/doc/lease-script.md :local 0 "lease-script"; :global GlobalFunctionsReady; :while ($GlobalFunctionsReady != true) do={ :delay 500ms; } :global IfThenElse; :global LogPrintExit2; :global ParseKeyValueStore; :global ScriptLock; :if ([ :typeof $leaseActIP ] = "nothing" || \ [ :typeof $leaseActMAC ] = "nothing" || \ [ :typeof $leaseServerName ] = "nothing" || \ [ :typeof $leaseBound ] = "nothing") do={ $LogPrintExit2 error $0 ("This script is supposed to run from ip dhcp-server.") true; } $ScriptLock $0 false 10; :if ([ :len [ / system script job find where script=$0 ] ] > 1) do={ $LogPrintExit2 debug $0 ("More invocations are waiting, exiting early.") true; } :local State ([ $IfThenElse ($leaseBound = 0) "de" "" ] . "assign"); :local RunOrder [ :toarray "" ]; $LogPrintExit2 debug $0 ("DHCP Server " . $leaseServerName . " " . \ $State . "ed lease " . $leaseActIP . " to " . $leaseActMAC) false; :foreach Script in=[ / system script find where source~("\n# provides: lease-script, ") ] do={ :local Name [ / system script get $Script name ]; :local Store [ / system script get $Script source ]; :set Store [ :pick $Store ([ :find $Store "\n# provides: lease-script, " ] + 27) [ :len $Store ] ]; :set Store [ :pick $Store 0 [ :find $Store "\n" ] ]; :set Store [ $ParseKeyValueStore $Store ]; :if (($Store->$State) = true) do={ :set ($RunOrder->($Store->"order")) $Name; } } :foreach Order,Script in=$RunOrder do={ :do { $LogPrintExit2 debug $0 ("Running script with order " . $Order . ": " . $Script) false; / system script run $Script; } on-error={ $LogPrintExit2 warning $0 ("Running script '" . $Script . "' failed!") false; } }