libnm-core: add functions to align team json config to exposed properties

This commit is contained in:
Francesco Giudici
2017-10-26 11:39:58 +02:00
parent b6c0498b04
commit dadf710ee3
2 changed files with 304 additions and 1 deletions

View File

@@ -436,6 +436,17 @@ gboolean _nm_utils_inet6_is_token (const struct in6_addr *in6addr);
/*****************************************************************************/
gboolean _nm_utils_team_config_equal (const char *conf1, const char *conf2, gboolean port);
GValue *_nm_utils_team_config_get (const char *conf,
const char *key,
const char *key2,
const char *key3,
gboolean port_config);
gboolean _nm_utils_team_config_set (char **conf,
const char *key,
const char *key2,
const char *key3,
const GValue *value);
/*****************************************************************************/

View File

@@ -4441,6 +4441,278 @@ out:
return ret;
}
static void
_json_add_object (json_t *json,
const char *key1,
const char *key2,
const char *key3,
json_t *value)
{
json_t *json_element, *json_link;
json_element = json_object_get (json, key1);
if (!json_element) {
json_element = value;
if (key2) {
if (key3) {
json_element = json_object ();
json_object_set_new (json_element, key3, value);
}
json_link = json_object ();
json_object_set_new (json_link, key2, json_element);
json_element = json_link;
}
json_object_set_new (json, key1, json_element);
return;
}
if (!key2)
goto key_already_there;
json_link = json_element;
json_element = json_object_get (json_element, key2);
if (!json_element) {
json_element = value;
if (key3) {
json_element = json_object ();
json_object_set_new (json_element, key3, value);
}
json_object_set_new (json_link, key2, json_element);
return;
}
if (!key3)
goto key_already_there;
json_link = json_element;
json_element = json_object_get (json_element, key3);
if (!json_element) {
json_object_set_new (json_link, key3, value);
return;
}
key_already_there:
json_decref (value);
}
GValue *
_nm_utils_team_config_get (const char *conf,
const char *key,
const char *key2,
const char *key3,
gboolean port_config)
{
json_t *json;
json_t *json_element;
GValue *value = NULL;
json_error_t jerror;
const char *runner = NULL;
if (!key)
return NULL;
json = json_loads (conf ?: "{}", JSON_REJECT_DUPLICATES, &jerror);
/* Invalid json in conf */
if (!json)
return NULL;
/* Some properties are added by teamd when missing from the initial
* configuration. Add them with the default value if necessary, depending
* on the configuration type.
*/
if (port_config) {
_json_add_object (json, "link_watch", "name", NULL, json_string ("ethtool"));
} else {
/* Retrieve runner or add default one */
json_element = json_object_get (json, "runner");
if (json_element) {
runner = json_string_value (json_object_get (json_element, "name"));
} else {
json_element = json_object ();
json_object_set_new (json, "runner", json_element);
}
if (!runner) {
runner = "roundrobin";
json_object_set_new (json_element, "name", json_string (runner));
}
if (nm_streq (runner, "activebackup")) {
_json_add_object (json, "notify_peers", "count", NULL, json_integer (1));
_json_add_object (json, "mcast_rejoin", "count", NULL, json_integer (1));
_json_add_object (json, "runner", "hwaddr_policy", NULL, json_string ("same_all"));
} else if (nm_streq (runner, "loadbalance") || nm_streq (runner, "lacp")) {
json_element = json_array ();
json_array_append_new (json_element, json_string ("eth"));
json_array_append_new (json_element, json_string ("ipv4"));
json_array_append_new (json_element, json_string ("ipv6"));
_json_add_object (json, "runner", "tx_hash", NULL, json_element);
}
}
json_element = json_object_get (json, key);
if (json_element && key2)
json_element = json_object_get (json_element, key2);
if (json_element && key3)
json_element = json_object_get (json_element, key3);
if (json_element) {
value = g_new0 (GValue, 1);
if (json_is_string (json_element)) {
g_value_init (value, G_TYPE_STRING);
g_value_set_string (value, json_string_value (json_element));
} else if (json_is_integer (json_element)) {
g_value_init (value, G_TYPE_INT);
g_value_set_int (value, json_integer_value (json_element));
} else if (json_is_boolean (json_element)) {
g_value_init (value, G_TYPE_BOOLEAN);
g_value_set_boolean (value, json_boolean_value (json_element));
} else if (json_is_array (json_element)) {
GPtrArray *data = g_ptr_array_new_with_free_func ((GDestroyNotify) g_free);
json_t *str_element;
int index;
json_array_foreach (json_element, index, str_element) {
if (json_is_string (str_element))
g_ptr_array_add (data, g_strdup (json_string_value (str_element)));
}
if (data->len) {
g_value_init (value, G_TYPE_STRV);
g_value_take_boxed (value, _nm_utils_ptrarray_to_strv (data));
}
g_ptr_array_free (data, TRUE);
} else {
g_assert_not_reached ();
g_free (value);
value = NULL;
}
}
if (json)
json_decref (json);
return value;
}
/* if conf is updated in place returns TRUE */
gboolean
_nm_utils_team_config_set (char **conf,
const char *key,
const char *key2,
const char *key3,
const GValue *value)
{
json_t *json, *json_element, *json_link, *json_value = NULL;
json_error_t jerror;
gboolean updated = FALSE;
char **strv;
const char *iter_key = key;
int i;
json = json_loads (*conf?: "{}", JSON_REJECT_DUPLICATES, &jerror);
if (!json)
return FALSE;
/* no new value? delete element */
if (!value) {
json_element = json;
json_link = NULL;
if (key2) {
json_link = json;
json_element = json_object_get (json, key);
if (!json_element)
goto done;
iter_key = key2;
}
if (key3) {
json_link = json_element;
json_element = json_object_get (json_element, key2);
if (!json_element)
goto done;
iter_key = key3;
}
if (json_object_del (json_element, iter_key) != 0)
goto done;
updated = TRUE;
/* 1st level key only */
if (!json_link)
goto done;
if (json_object_size (json_element) == 0)
json_object_del (json_link, (key3 ? key2 : key));
if (key3 && json_object_size (json_link) == 0)
json_object_del (json, key);
goto done;
}
/* insert new value */
updated = TRUE;
if (G_VALUE_HOLDS_STRING (value))
json_value = json_string (g_value_get_string (value));
else if (G_VALUE_HOLDS_INT (value))
json_value = json_integer (g_value_get_int (value));
else if (G_VALUE_HOLDS_BOOLEAN (value))
json_value = json_boolean (g_value_get_boolean (value));
else if (G_VALUE_HOLDS_BOXED (value)) {
strv = g_value_get_boxed (value);
if (strv) {
json_value = json_array ();
for (i = 0; strv[i]; i++)
json_array_append_new (json_value, json_string (strv[i]));
} else
return FALSE;
} else {
g_assert_not_reached ();
updated = FALSE;
goto done;
}
/* Simplest case: first level key only */
json_element = json;
json_link = NULL;
if (key2) {
json_link = json;
json_element = json_object_get (json, iter_key);
if (!json_element) {
json_element = json_object ();
json_object_set_new (json_link, iter_key, json_element);
}
iter_key = key2;
}
if (key3) {
json_link = json_element;
json_element = json_object_get (json_link, iter_key);
if (!json_element) {
json_element = json_object ();
json_object_set_new (json_link, iter_key, json_element);
}
iter_key = key3;
}
json_object_set_new (json_element, iter_key, json_value);
done:
if (updated) {
g_free (*conf);
*conf = json_dumps (json, 0);
/* Don't save an empty config */
if (nm_streq0 (*conf, "{}")) {
g_free (*conf);
*conf = NULL;
}
}
json_decref (json);
return updated;
}
#else /* WITH_JANSSON */
gboolean
@@ -4495,6 +4767,26 @@ _nm_utils_team_config_equal (const char *conf1,
{
return nm_streq0 (conf1, conf2);
}
GValue *
_nm_utils_team_config_get (const char *conf,
const char *key,
const char *key2,
const char *key3,
gboolean port_config)
{
return NULL;
}
gboolean
_nm_utils_team_config_set (char **conf,
const char *key,
const char *key2,
const char *key3,
const GValue *value)
{
return FALSE;
}
#endif
static char *