[ovs-dev] [PATCH] classifier: Use HMAP_FOR_EACH, HMAP_FOR_EACH_CONTINUE.

Ben Pfaff blp at nicira.com
Fri Nov 11 22:50:40 UTC 2011


Thanks, I pushed this.

On Thu, Nov 10, 2011 at 11:12:01AM -0800, Ethan Jackson wrote:
> Looks good.
> 
> Ethan
> 
> On Wed, Nov 9, 2011 at 16:24, Ben Pfaff <blp at nicira.com> wrote:
> > I like how this removes over 20 lines of code and ends up more readable.
> > ---
> > ?lib/classifier.c | ? 30 +++---------------------------
> > ?1 files changed, 3 insertions(+), 27 deletions(-)
> >
> > diff --git a/lib/classifier.c b/lib/classifier.c
> > index 8ffc96f..04e545e 100644
> > --- a/lib/classifier.c
> > +++ b/lib/classifier.c
> > @@ -32,9 +32,6 @@ static struct cls_table *find_table(const struct classifier *,
> > ?static struct cls_table *insert_table(struct classifier *,
> > ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? const struct flow_wildcards *);
> >
> > -static struct cls_table *classifier_first_table(const struct classifier *);
> > -static struct cls_table *classifier_next_table(const struct classifier *,
> > - ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? const struct cls_table *);
> > ?static void destroy_table(struct classifier *, struct cls_table *);
> >
> > ?static struct cls_rule *find_match(const struct cls_table *,
> > @@ -57,12 +54,6 @@ static bool flow_equal_except(const struct flow *, const struct flow *,
> > ?static struct cls_rule *next_rule_in_list__(struct cls_rule *);
> > ?static struct cls_rule *next_rule_in_list(struct cls_rule *);
> >
> > -static struct cls_table *
> > -cls_table_from_hmap_node(const struct hmap_node *node)
> > -{
> > - ? ?return node ? CONTAINER_OF(node, struct cls_table, hmap_node) : NULL;
> > -}
> > -
> > ?/* Converts the flow in 'flow' into a cls_rule in 'rule', with the given
> > ?* 'wildcards' and 'priority'. */
> > ?void
> > @@ -949,8 +940,7 @@ cls_cursor_first(struct cls_cursor *cursor)
> > ?{
> > ? ? struct cls_table *table;
> >
> > - ? ?for (table = classifier_first_table(cursor->cls); table;
> > - ? ? ? ? table = classifier_next_table(cursor->cls, table)) {
> > + ? ?HMAP_FOR_EACH (table, hmap_node, &cursor->cls->tables) {
> > ? ? ? ? struct cls_rule *rule = search_table(table, cursor->target);
> > ? ? ? ? if (rule) {
> > ? ? ? ? ? ? cursor->table = table;
> > @@ -984,8 +974,8 @@ cls_cursor_next(struct cls_cursor *cursor, struct cls_rule *rule)
> > ? ? ? ? }
> > ? ? }
> >
> > - ? ?for (table = classifier_next_table(cursor->cls, cursor->table); table;
> > - ? ? ? ? table = classifier_next_table(cursor->cls, table)) {
> > + ? ?table = cursor->table;
> > + ? ?HMAP_FOR_EACH_CONTINUE (table, hmap_node, &cursor->cls->tables) {
> > ? ? ? ? rule = search_table(table, cursor->target);
> > ? ? ? ? if (rule) {
> > ? ? ? ? ? ? cursor->table = table;
> > @@ -1023,20 +1013,6 @@ insert_table(struct classifier *cls, const struct flow_wildcards *wc)
> > ? ? return table;
> > ?}
> >
> > -static struct cls_table *
> > -classifier_first_table(const struct classifier *cls)
> > -{
> > - ? ?return cls_table_from_hmap_node(hmap_first(&cls->tables));
> > -}
> > -
> > -static struct cls_table *
> > -classifier_next_table(const struct classifier *cls,
> > - ? ? ? ? ? ? ? ? ? ? ?const struct cls_table *table)
> > -{
> > - ? ?return cls_table_from_hmap_node(hmap_next(&cls->tables,
> > - ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?&table->hmap_node));
> > -}
> > -
> > ?static void
> > ?destroy_table(struct classifier *cls, struct cls_table *table)
> > ?{
> > --
> > 1.7.2.5
> >
> > _______________________________________________
> > dev mailing list
> > dev at openvswitch.org
> > http://openvswitch.org/mailman/listinfo/dev
> >



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