a13308bac7
Make a module that creates a route-settings metadata and provides some helper functions to parse the json fields. Load the route-settings module in the policy. Move the Notification settings to the metadata. Listen for metadata updates and update our state table. Fixes #51
139 lines
3.6 KiB
C
139 lines
3.6 KiB
C
/* WirePlumber
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*
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* Copyright © 2021 Collabora Ltd.
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* @author George Kiagiadakis <george.kiagiadakis@collabora.com>
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*
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* SPDX-License-Identifier: MIT
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*/
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#include <wp/wp.h>
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#include <pipewire/keys.h>
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#include <spa/utils/json.h>
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struct _WpRouteSettingsApi
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{
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WpPlugin parent;
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WpImplMetadata *metadata;
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};
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enum {
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ACTION_CONVERT,
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N_SIGNALS
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};
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static guint signals[N_SIGNALS] = {0};
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G_DECLARE_FINAL_TYPE (WpRouteSettingsApi, wp_route_settings_api,
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WP, ROUTE_SETTINGS_API, WpPlugin)
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G_DEFINE_TYPE (WpRouteSettingsApi, wp_route_settings_api, WP_TYPE_PLUGIN)
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static void
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wp_route_settings_api_init (WpRouteSettingsApi * self)
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{
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}
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static void
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on_metadata_activated (GObject * obj, GAsyncResult * res, gpointer user_data)
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{
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WpTransition * transition = WP_TRANSITION (user_data);
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WpRouteSettingsApi * self = wp_transition_get_source_object (transition);
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g_autoptr (GError) error = NULL;
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if (!wp_object_activate_finish (WP_OBJECT (obj), res, &error)) {
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g_clear_object (&self->metadata);
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g_prefix_error (&error, "Failed to activate WpImplMetadata: ");
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wp_transition_return_error (transition, g_steal_pointer (&error));
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return;
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}
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wp_object_update_features (WP_OBJECT (self), WP_PLUGIN_FEATURE_ENABLED, 0);
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}
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static void
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wp_route_settings_api_enable (WpPlugin * plugin, WpTransition * transition)
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{
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WpRouteSettingsApi * self = WP_ROUTE_SETTINGS_API (plugin);
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g_autoptr (WpCore) core = wp_object_get_core (WP_OBJECT (plugin));
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g_return_if_fail (core);
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self->metadata = wp_impl_metadata_new_full (core, "route-settings", NULL);
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wp_object_activate (WP_OBJECT (self->metadata),
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WP_OBJECT_FEATURES_ALL, NULL, on_metadata_activated, transition);
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}
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static void
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wp_route_settings_api_disable (WpPlugin * plugin)
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{
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WpRouteSettingsApi * self = WP_ROUTE_SETTINGS_API (plugin);
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g_clear_object (&self->metadata);
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}
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static gchar *
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wp_route_settings_api_convert (WpRouteSettingsApi * self,
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const gchar * json, const gchar *field)
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{
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struct spa_json it[3];
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char k[128];
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spa_json_init(&it[0], json, strlen(json));
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if (spa_json_enter_object(&it[0], &it[1]) <= 0)
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return NULL;
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while (spa_json_get_string(&it[1], k, sizeof(k)-1) > 0) {
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int len;
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const char *value;
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if (strcmp(k, field) != 0)
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continue;
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if ((len = spa_json_next(&it[1], &value)) <= 0)
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break;
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if (spa_json_is_null(value, len))
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return NULL;
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else if (spa_json_is_array(value, len)) {
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GString *str;
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spa_json_enter(&it[1], &it[2]);
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str = g_string_new("");
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while ((len = spa_json_next(&it[2], &value)) > 0) {
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char v[1024];
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if (len > 1023)
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continue;
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spa_json_parse_string(value, len, v);
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g_string_append_printf(str, "%s;", v);
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}
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return g_string_free(str, false);
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}
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else
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return g_strndup(value, len);
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}
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return NULL;
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}
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static void
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wp_route_settings_api_class_init (WpRouteSettingsApiClass * klass)
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{
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WpPluginClass *plugin_class = (WpPluginClass *) klass;
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plugin_class->enable = wp_route_settings_api_enable;
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plugin_class->disable = wp_route_settings_api_disable;
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signals[ACTION_CONVERT] = g_signal_new_class_handler (
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"convert", G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
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(GCallback) wp_route_settings_api_convert,
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NULL, NULL, NULL,
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G_TYPE_STRING, 2, G_TYPE_STRING, G_TYPE_STRING);
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}
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WP_PLUGIN_EXPORT gboolean
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wireplumber__module_init (WpCore * core, GVariant * args, GError ** error)
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{
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wp_plugin_register (g_object_new (wp_route_settings_api_get_type (),
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"name", "route-settings-api",
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"core", core,
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NULL));
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return TRUE;
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}
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