diff options
Diffstat (limited to 'libnm-util/nm-connection.c')
| -rw-r--r-- | libnm-util/nm-connection.c | 98 |
1 files changed, 91 insertions, 7 deletions
diff --git a/libnm-util/nm-connection.c b/libnm-util/nm-connection.c index 33790a63..3f339dbc 100644 --- a/libnm-util/nm-connection.c +++ b/libnm-util/nm-connection.c @@ -556,6 +556,89 @@ nm_connection_compare (NMConnection *a, return info.failed ? FALSE : TRUE; } + +static void +diff_one_connection (NMConnection *a, + NMConnection *b, + NMSettingCompareFlags flags, + gboolean invert_results, + GHashTable *diffs) +{ + NMConnectionPrivate *priv = NM_CONNECTION_GET_PRIVATE (a); + GHashTableIter iter; + NMSetting *a_setting = NULL; + + g_hash_table_iter_init (&iter, priv->settings); + while (g_hash_table_iter_next (&iter, NULL, (gpointer) &a_setting)) { + NMSetting *b_setting = NULL; + const char *setting_name = nm_setting_get_name (a_setting); + GHashTable *results; + gboolean new_results = TRUE; + + if (b) + b_setting = nm_connection_get_setting (b, G_OBJECT_TYPE (a_setting)); + + results = g_hash_table_lookup (diffs, setting_name); + if (results) + new_results = FALSE; + + if (!nm_setting_diff (a_setting, b_setting, flags, invert_results, &results)) { + if (new_results) + g_hash_table_insert (diffs, g_strdup (setting_name), results); + } + } +} + +/** + * nm_connection_diff: + * @a: a #NMConnection + * @b: a second #NMConnection to compare with the first + * @flags: compare flags, e.g. %NM_SETTING_COMPARE_FLAG_EXACT + * @out_settings: if the connections differ, on return a hash table mapping + * setting names to second-level GHashTable, which contains key names that differ + * + * Compares two #NMConnection objects for similarity, with comparison behavior + * modified by a set of flags. See nm_setting_compare() for a description of + * each flag's behavior. If the connections differ, settings and keys within + * each setting that differ are added to the returned @out_settings hash table. + * No values are returned, only key names. + * + * Returns: %TRUE if the connections contain the same values, %FALSE if they do + * not + **/ +gboolean +nm_connection_diff (NMConnection *a, + NMConnection *b, + NMSettingCompareFlags flags, + GHashTable **out_settings) +{ + GHashTable *diffs; + + g_return_val_if_fail (a != NULL, FALSE); + g_return_val_if_fail (NM_IS_CONNECTION (a), FALSE); + g_return_val_if_fail (out_settings != NULL, FALSE); + g_return_val_if_fail (*out_settings == NULL, FALSE); + if (b) + g_return_val_if_fail (NM_IS_CONNECTION (b), FALSE); + + if (a == b) + return TRUE; + + diffs = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, (GDestroyNotify) g_hash_table_destroy); + + /* Diff A to B, then B to A to capture keys in B that aren't in A */ + diff_one_connection (a, b, flags, FALSE, diffs); + if (b) + diff_one_connection (b, a, flags, TRUE, diffs); + + if (g_hash_table_size (diffs) == 0) + g_hash_table_destroy (diffs); + else + *out_settings = diffs; + + return *out_settings ? FALSE : TRUE; +} + /** * nm_connection_verify: * @connection: the #NMConnection to verify @@ -624,7 +707,7 @@ nm_connection_verify (NMConnection *connection, GError **error) * nm_connection_update_secrets: * @connection: the #NMConnection * @setting_name: the setting object name to which the secrets apply - * @secrets: a #GHashTable mapping string:#GValue of setting property names and + * @setting_secrets: a #GHashTable mapping string:#GValue of setting property names and * secrets * @error: location to store error, or %NULL * @@ -637,7 +720,7 @@ nm_connection_verify (NMConnection *connection, GError **error) gboolean nm_connection_update_secrets (NMConnection *connection, const char *setting_name, - GHashTable *secrets, + GHashTable *setting_secrets, GError **error) { NMSetting *setting; @@ -646,19 +729,20 @@ nm_connection_update_secrets (NMConnection *connection, g_return_val_if_fail (connection != NULL, FALSE); g_return_val_if_fail (NM_IS_CONNECTION (connection), FALSE); g_return_val_if_fail (setting_name != NULL, FALSE); - g_return_val_if_fail (secrets != NULL, FALSE); + g_return_val_if_fail (setting_secrets != NULL, FALSE); if (error) g_return_val_if_fail (*error == NULL, FALSE); setting = nm_connection_get_setting (connection, nm_connection_lookup_setting_type (setting_name)); if (!setting) { - g_set_error (error, NM_CONNECTION_ERROR, - NM_CONNECTION_ERROR_CONNECTION_SETTING_NOT_FOUND, - "%s", setting_name); + g_set_error_literal (error, + NM_CONNECTION_ERROR, + NM_CONNECTION_ERROR_CONNECTION_SETTING_NOT_FOUND, + setting_name); return FALSE; } - success = nm_setting_update_secrets (setting, secrets, error); + success = nm_setting_update_secrets (setting, setting_secrets, error); if (success) g_signal_emit (connection, signals[SECRETS_UPDATED], 0, setting_name); return success; |