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Filters: first parts of extended attributes being read-write. It can

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not actually work since I do not do rta/rte cow, yet.
This commit is contained in:
Pavel Machek 1999-11-18 14:29:10 +00:00
parent c7b43f33ae
commit f31156ca21
2 changed files with 34 additions and 2 deletions
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8
filter/config.Y
View file

@ -27,7 +27,7 @@ CF_HDR
CF_DECLS
CF_KEYWORDS(FUNCTION, PRINT, PRINTN, CONST,
CF_KEYWORDS(FUNCTION, PRINT, PRINTN, CONST, UNSET,
ACCEPT, REJECT, ERROR, QUITBIRD,
INT, BOOL, IP, PREFIX, PAIR, SET, STRING,
IF, THEN, ELSE, CASE,
@ -360,7 +360,11 @@ cmd:
| RTA '.' any_dynamic '=' term ';' {
$$ = $3;
$$->code = 'eS';
$$->a1.p = $5;
}
| UNSET '(' RTA '.' any_dynamic ')' ';' {
$$ = $5;
$$->code = 'eD';
}
| break_command print_list ';' { $$ = f_new_inst(); $$->code = 'p,'; $$->a1.p = $2; $$->a2.i = $1; }
| SYM '(' var_list ')' ';' {

28
filter/filter.c
View file

@ -159,6 +159,7 @@ val_print(struct f_val v)
}
static struct rte **f_rte;
static struct linpool *f_pool;
static struct f_val interpret(struct f_inst *what);
@ -332,6 +333,32 @@ interpret(struct f_inst *what)
}
}
break;
case 'eS':
ONEARG;
if (v1.type != what->aux)
runtime("Wrong type when setting dynamic attribute\n");
/* This willl only work if it is not already there! */
{
struct ea_list *l = lp_alloc(f_pool, sizeof(struct ea_list) + sizeof(eattr));
l->next = NULL;
l->flags = EALF_SORTED;
l->count = 1;
l->attrs[0].id = what->a2.i;
l->attrs[0].flags = 0;
switch (what->aux) {
case T_INT:
l->attrs[0].type = EAF_TYPE_INT | EAF_INLINE;
l->attrs[0].u.data = v1.val.i;
break;
}
/* FIXME: need to do copy on write of rte + rta + insert at the beggining */
}
case 'eD': /*FIXME: unset: implement me */
die("Implement me!!!" );
break;
case 'cp': /* Convert prefix to ... */
ONEARG;
if (v1.type != T_PREFIX)
@ -392,6 +419,7 @@ f_run(struct filter *filter, struct rte **rte, struct ea_list **tmp_attrs, struc
debug( "Running filter `%s'...", filter->name );
f_rte = rte;
f_pool = tmp_pool;
inst = filter->root;
res = interpret(inst);
if (res.type != T_RETURN)