goto out;
aed.name = p;
aed.bitnum = bitnum;
- afs_event(ATTRIBUTE_ADD, &pb, &aed);
+ ret = afs_event(ATTRIBUTE_ADD, &pb, &aed);
+ if (ret < 0)
+ goto out;
greatest_att_bitnum = PARA_MAX(greatest_att_bitnum, (int)bitnum);
}
out:
ret = osl(osl_update_object(attribute_table, row, ATTCOL_NAME, &obj));
out:
if (ret < 0)
- para_printf(&pb, "%s\n", para_strerror(-ret));
+ para_printf(&pb, "cannot rename %s to %s\n", old, new);
else
- afs_event(ATTRIBUTE_RENAME, &pb, NULL);
+ ret = afs_event(ATTRIBUTE_RENAME, &pb, NULL);
flush_and_free_pb(&pb);
- return 0;
+ return ret;
}
int com_mvatt(struct command_context *cc)
{
- int ret;
-
if (cc->argc != 3)
return -E_ATTR_SYNTAX;
- ret = send_standard_callback_request(cc->argc - 1, cc->argv + 1,
+ return send_standard_callback_request(cc->argc - 1, cc->argv + 1,
com_mvatt_callback, afs_cb_result_handler, cc);
- if (ret < 0)
- send_strerror(cc, -ret);
- return ret;
}
-/** Data passed to the action handler of com_rmatt(). */
-struct remove_attribute_action_data {
- /** Message buffer. */
- struct para_buffer pb;
- /** Number of attributes removed. */
- int num_removed;
- /** Bitwise "or" of the removed attributes. */
- uint64_t mask_of_removed_atts;
-};
-
-/* returns succcess even on errors to keep the loop going */
static int remove_attribute(struct osl_table *table, struct osl_row *row,
const char *name, void *data)
{
- struct remove_attribute_action_data *raad = data;
+ struct para_buffer *pb = data;
int ret;
struct rmatt_event_data red = {.name = name};
ret = get_attribute_bitnum_by_name(name, &red.bitnum);
if (ret < 0) {
- para_printf(&raad->pb, "%s: %s\n", name, para_strerror(-ret));
- return 0;
+ para_printf(pb, "cannot remove %s\n", name);
+ return ret;
}
+ para_printf(pb, "removing attribute %s\n", name);
ret = osl(osl_del_row(table, row));
if (ret < 0) {
- para_printf(&raad->pb, "%s: %s\n", name, para_strerror(-ret));
- return 0;
+ para_printf(pb, "cannot remove %s\n", name);
+ return ret;
}
- para_printf(&raad->pb, "removed attribute %s\n", name);
- raad->num_removed++;
- raad->mask_of_removed_atts |= (1 << red.bitnum);
- afs_event(ATTRIBUTE_REMOVE, &raad->pb, &red);
- return 1;
+ return afs_event(ATTRIBUTE_REMOVE, pb, &red);
}
static int com_rmatt_callback(int fd, const struct osl_object *query)
{
- struct remove_attribute_action_data raad = {
- .num_removed = 0,
- .pb = {
- .max_size = shm_get_shmmax(),
- .private_data = &(struct afs_max_size_handler_data) {
- .fd = fd,
- .band = SBD_OUTPUT
- },
- .max_size_handler = afs_max_size_handler,
- }
+ struct para_buffer pb = {
+ .max_size = shm_get_shmmax(),
+ .private_data = &(struct afs_max_size_handler_data) {
+ .fd = fd,
+ .band = SBD_OUTPUT
+ },
+ .max_size_handler = afs_max_size_handler,
};
int ret;
struct pattern_match_data pmd = {
.patterns = *query,
.loop_col_num = ATTCOL_BITNUM,
.match_col_num = ATTCOL_NAME,
- .data = &raad,
+ .data = &pb,
.action = remove_attribute
};
ret = for_each_matching_row(&pmd);
if (ret < 0)
- para_printf(&raad.pb, "%s\n", para_strerror(-ret));
- else if (!raad.num_removed)
- para_printf(&raad.pb, "no match -- nothing removed\n");
- flush_and_free_pb(&raad.pb);
- return 0;
+ goto out;
+ if (pmd.num_matches == 0)
+ ret = -E_NO_MATCH;
+out:
+ flush_and_free_pb(&pb);
+ return ret;
}
int com_rmatt(struct command_context *cc)
{
- int ret;
-
if (cc->argc < 2)
return -E_ATTR_SYNTAX;
- ret = send_standard_callback_request(cc->argc - 1, cc->argv + 1,
+ return send_standard_callback_request(cc->argc - 1, cc->argv + 1,
com_rmatt_callback, afs_cb_result_handler, cc);
- if (ret < 0)
- send_strerror(cc, -ret);
- return ret;
}
/**
return ret;
}
+static int att_logical_or(struct osl_row *row, void *data)
+{
+ uint64_t *att_mask = data;
+ struct osl_object bitnum_obj;
+ int ret = osl_get_object(attribute_table, row, ATTCOL_BITNUM, &bitnum_obj);
+
+ if (ret < 0)
+ return ret;
+ *att_mask |= 1 << *(unsigned char *)bitnum_obj.data;
+ return 0;
+}
+
+/**
+ * Compute the attribute bit mask and check each afs info bitmap.
+ *
+ * \param fd Needed for the para buffer.
+ * \param query Unused.
+ *
+ * This iterates over all attributes in the attribute table and computes the
+ * logical or of 1 << b where b is the bit number of the attribute. The
+ * resulting bit mask is passed to aft_check_attributes() which performs the
+ * actual check.
+ *
+ * \return Standard.
+ *
+ * \sa \ref aft_check_attributes().
+ */
+int attribute_check_callback(int fd, __a_unused const struct osl_object *query)
+{
+ int ret;
+ uint64_t att_mask = 0; /* bits corresponding to a attributes */
+ struct para_buffer pb = {
+ .max_size = shm_get_shmmax(),
+ .private_data = &(struct afs_max_size_handler_data) {
+ .fd = fd,
+ .band = SBD_OUTPUT
+ },
+ .max_size_handler = afs_max_size_handler,
+ };
+
+ ret = osl_rbtree_loop(attribute_table, ATTCOL_BITNUM, &att_mask,
+ att_logical_or);
+ if (ret < 0) {
+ PARA_ERROR_LOG("attribute table loop failed: %s\n",
+ para_strerror(-ret));
+ return ret;
+ }
+ ret = aft_check_attributes(att_mask, &pb);
+ flush_and_free_pb(&pb);
+ return ret;
+}
+
/**
* Close the attribute table.
*