"dev" <[email protected]> wrote on 22/10/2015 07:45:27 AM:
>
> Add functions that can generate "update2" notification for a
> "monitor2" session. "monitor2" and "update2" are RFC 7047 extensions
> deescribed by ovsdb-server(1) manpage. See the manpage changes
> for more details.
>
> Signed-off-by: Andy Zhou <[email protected]>
...
> + } else {
> + diff_json = json_object_create();
> + const char *op;
> +
> + for (i = 0; i < mt->n_columns; i++) {
> + const struct ovsdb_monitor_column *c = &mt->columns[i];
> +
> + if (!(type & c->select)) {
> + /* We don't care about this type of change for this
> + * particular column (but we will care about it for
some
> + * other column). */
> + continue;
> + }
> +
> + if (type == OJMS_MODIFY) {
> + struct ovsdb_datum *diff;
> +
> + if (!bitmap_is_set(changed, i)) {
> + continue;
> + }
> +
> + diff = ovsdb_datum_diff(&row->old[i], &row->new[i],
> + &c->column->type);
> + json_object_put(diff_json, c->column->name,
> + ovsdb_datum_to_json(diff,
&c->column->type));
> + ovsdb_datum_destroy(diff, &c->column->type);
> + free(diff);
> + } else {
> + if (!ovsdb_datum_is_default(&row->new[i],
> &c->column->type)) {
> + json_object_put(diff_json, c->column->name,
> + ovsdb_datum_to_json(&row->new[i],
> + &c->column->type));
> + }
Why to use here ovsdb_datum_is_default()? For example if a column is of
type INTEGER and the value is 0, you will miss that value in the update
message. Seems like a bug.
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