Prevent recursion of &on_change handlers.

This change prevents &on_change handlers for a table from running if an
&on_change handler for the same table is already running.
This commit is contained in:
Johanna Amann 2020-02-03 12:33:13 -08:00
parent 7166cb7373
commit 7f9f66fce9
5 changed files with 46 additions and 3 deletions

View file

@ -0,0 +1,8 @@
inserting
change_function, a, 1, 5, TABLE_ELEMENT_NEW
set_change, hi, TABLE_ELEMENT_NEW
changing
change_function, a, 1, 5, TABLE_ELEMENT_CHANGED
deleting
change_function, a, 1, 5, TABLE_ELEMENT_REMOVED
set_change, hi, TABLE_ELEMENT_REMOVED

View file

@ -0,0 +1,30 @@
# @TEST-EXEC: zeek %INPUT >output
# @TEST-EXEC: btest-diff output
module TestModule;
function change_function(t: table[string, int] of count, tpe: TableChange, idxa: string, idxb: int, val: count)
{
print "change_function", idxa, idxb, val, tpe;
t[idxa, idxb] = val;
}
function set_change(t: set[string], tpe: TableChange, idx: string)
{
print "set_change", idx, tpe;
}
global t: table[string, int] of count &on_change=change_function;
global s: set[string] &on_change=set_change;
event zeek_init()
{
print "inserting";
t["a", 1] = 5;
add s["hi"];
print "changing";
t["a", 1] = 2;
print "deleting";
delete t["a", 1];
delete s["hi"];
}