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Filters: write access to dynamic attributes should actually work. It

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would be nice to find method of testing such beasts.
This commit is contained in:
Pavel Machek 1999-11-24 12:04:32 +00:00
parent 99bbd23b22
commit 48f9e01954
3 changed files with 15 additions and 7 deletions
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4
filter/config.Y
View file

@ -364,7 +364,9 @@ cmd:
} }
| UNSET '(' RTA '.' any_dynamic ')' ';' { | UNSET '(' RTA '.' any_dynamic ')' ';' {
$$ = $5; $$ = $5;
$$->code = 'eD'; $$->aux = T_VOID;
$$->code = 'eS';
$$->a1.p = NULL;
} }
| break_command print_list ';' { $$ = f_new_inst(); $$->code = 'p,'; $$->a1.p = $2; $$->a2.i = $1; } | break_command print_list ';' { $$ = f_new_inst(); $$->code = 'p,'; $$->a1.p = $2; $$->a2.i = $1; }
| SYM '(' var_list ')' ';' { | SYM '(' var_list ')' ';' {

16
filter/filter.c
View file

@ -158,7 +158,7 @@ val_print(struct f_val v)
printf( buf ); printf( buf );
} }
static struct rte **f_rte; static struct rte **f_rte, *f_rte_old;
static struct linpool *f_pool; static struct linpool *f_pool;
static struct f_val interpret(struct f_inst *what); static struct f_val interpret(struct f_inst *what);
@ -338,7 +338,6 @@ interpret(struct f_inst *what)
if (v1.type != what->aux) if (v1.type != what->aux)
runtime("Wrong type when setting dynamic attribute\n"); 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)); struct ea_list *l = lp_alloc(f_pool, sizeof(struct ea_list) + sizeof(eattr));
@ -352,13 +351,17 @@ interpret(struct f_inst *what)
l->attrs[0].type = EAF_TYPE_INT | EAF_INLINE; l->attrs[0].type = EAF_TYPE_INT | EAF_INLINE;
l->attrs[0].u.data = v1.val.i; l->attrs[0].u.data = v1.val.i;
break; break;
case T_VOID:
l->attrs[0].type = EAF_TYPE_UNDEF | EAF_INLINE;
l->attrs[0].u.data = 0;
break;
} }
/* FIXME: need to do copy on write of rte + rta + insert at the beggining */ *f_rte = rte_do_cow(*f_rte);
l->next = *f_rte->attrs->eattrs;
*f_rte->attrs->eattrs = l;
} }
case 'eD': /*FIXME: unset: implement me */
die("Implement me!!!" );
break; break;
case 'cp': /* Convert prefix to ... */ case 'cp': /* Convert prefix to ... */
ONEARG; ONEARG;
if (v1.type != T_PREFIX) if (v1.type != T_PREFIX)
@ -419,6 +422,7 @@ f_run(struct filter *filter, struct rte **rte, struct ea_list **tmp_attrs, struc
debug( "Running filter `%s'...", filter->name ); debug( "Running filter `%s'...", filter->name );
f_rte = rte; f_rte = rte;
f_rte_old = *rte;
f_pool = tmp_pool; f_pool = tmp_pool;
inst = filter->root; inst = filter->root;
res = interpret(inst); res = interpret(inst);

2
filter/test.conf
View file

@ -73,6 +73,8 @@ int j;
if rta.rip_metric > 15 then { if rta.rip_metric > 15 then {
reject "RIP Metric is more than infinity"; reject "RIP Metric is more than infinity";
} }
rta.rip_metric = 14;
unset(rta.rip_metric);
accept "ok I take that"; accept "ok I take that";
} }