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ovsdb-idl: Track changes for table references.

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If a change of a row is tracked, make sure the rows that reference
this row are also added in tracked changes, unless change tracking
is not required for those rows.

Signed-off-by: Han Zhou <hzhou8@ebay.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>
This commit is contained in:
Han Zhou
2018-08-13 10:48:03 -07:00
committed by Ben Pfaff
parent 4b282ad9cf
commit 102781cc02
1 changed files with 19 additions and 4 deletions
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23
lib/ovsdb-idl.c
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@@ -2299,6 +2299,24 @@ ovsdb_idl_process_update2(struct ovsdb_idl_table *table,
return true;
}
/* Recursively add rows to tracked change lists for current row
* and the rows that reference this row. */
static void
add_tracked_change_for_references(struct ovsdb_idl_row *row)
{
if (ovs_list_is_empty(&row->track_node) &&
ovsdb_idl_track_is_set(row->table)) {
ovs_list_push_back(&row->table->track_list,
&row->track_node);
const struct ovsdb_idl_arc *arc;
LIST_FOR_EACH (arc, dst_node, &row->dst_arcs) {
add_tracked_change_for_references(arc->src);
}
}
}
/* Returns true if a column with mode OVSDB_IDL_MODE_RW changed, false
* otherwise.
*
@@ -2362,10 +2380,7 @@ ovsdb_idl_row_change__(struct ovsdb_idl_row *row, const struct json *row_json,
= row->table->change_seqno[change]
= row->table->db->change_seqno + 1;
if (table->modes[column_idx] & OVSDB_IDL_TRACK) {
if (ovs_list_is_empty(&row->track_node)) {
ovs_list_push_back(&row->table->track_list,
&row->track_node);
}
add_tracked_change_for_references(row);
if (!row->updated) {
row->updated = bitmap_allocate(class->n_columns);
}