diff options
Diffstat (limited to 'src/mm-plugin-manager.c')
| -rw-r--r-- | src/mm-plugin-manager.c | 113 |
1 files changed, 81 insertions, 32 deletions
diff --git a/src/mm-plugin-manager.c b/src/mm-plugin-manager.c index 3218a2c6..16e1e786 100644 --- a/src/mm-plugin-manager.c +++ b/src/mm-plugin-manager.c @@ -69,6 +69,7 @@ typedef struct { MMPlugin *suggested_plugin; GSList *current; guint source_id; + gboolean defer_until_suggested; /* Output context */ MMPlugin *best_plugin; } SupportsInfo; @@ -176,11 +177,68 @@ suggest_supports_info_result (MMPluginManager *self, mm_plugin_get_name (suggested_plugin), info->name); info->suggested_plugin = suggested_plugin; + + /* If we got a task deferred until a suggestion comes, + * complete it */ + if (info->defer_until_suggested) { + mm_dbg ("(%s): (%s) deferred task completed, got suggested plugin", + mm_plugin_get_name (suggested_plugin), + info->name); + /* Schedule checking support, which will end the operation */ + info->best_plugin = info->suggested_plugin; + info->current = NULL; + info->source_id = g_idle_add ((GSourceFunc)find_port_support_idle, + info); + } } } } static void +cancel_all_deferred_supports_info (MMPluginManager *self, + const gchar *physdev_path) +{ + gboolean abort_cancel = FALSE; + SupportsInfoList *list; + GSList *l; + + list = g_hash_table_lookup (self->priv->supports, + physdev_path); + + if (!list) + return; + + /* Look for support infos on the same physical path. + * We need to look for tasks being deferred until suggested and count + * them. */ + for (l = list->info_list; + l && !abort_cancel; + l = g_slist_next (l)) { + SupportsInfo *info = l->data; + + if (!info->defer_until_suggested) + abort_cancel = TRUE; + } + + if (abort_cancel) + return; + + /* If all remaining tasks were deferred until suggested, we need to + * cancel them completely */ + + for (l = list->info_list; l; l = g_slist_next (l)) { + SupportsInfo *info = l->data; + + mm_dbg ("(%s) deferred task aborted, no suggested plugin set", + info->name); + /* Schedule checking support, which will end the operation */ + info->current = NULL; + info->best_plugin = NULL; + info->source_id = g_idle_add ((GSourceFunc)find_port_support_idle, info); + } +} + +static void supports_port_ready_cb (MMPlugin *plugin, GAsyncResult *result, SupportsInfo *info) @@ -273,27 +331,12 @@ supports_port_ready_cb (MMPlugin *plugin, break; case MM_PLUGIN_SUPPORTS_PORT_DEFER_UNTIL_SUGGESTED: - /* We were told to defer until getting a suggested plugin, and we already - * got one here, so we're done. */ - if (info->suggested_plugin) { - mm_dbg ("(%s): (%s) support check finished, got suggested", - mm_plugin_get_name (MM_PLUGIN (info->suggested_plugin)), - info->name); - info->best_plugin = info->suggested_plugin; - info->current = NULL; - - /* Schedule checking support, which will end the operation */ - info->source_id = g_idle_add ((GSourceFunc)find_port_support_idle, - info); - } else { - mm_dbg ("(%s): (%s) deferring support check until result suggested", - mm_plugin_get_name (MM_PLUGIN (info->current->data)), - info->name); - /* Schedule checking support */ - info->source_id = g_timeout_add_seconds (SUPPORTS_DEFER_TIMEOUT_SECS, - (GSourceFunc)find_port_support_idle, - info); - } + /* We are deferred until a suggested plugin is given. If last supports task + * of a given device is finished without finding a best plugin, this task + * will get finished reporting unsupported. */ + mm_dbg ("(%s) deferring support check until result suggested", + info->name); + info->defer_until_suggested = TRUE; break; } } @@ -305,14 +348,17 @@ find_port_support_idle (SupportsInfo *info) /* Already checked all plugins? */ if (!info->current) { - /* Report best plugin in asynchronous result (could be none) - * Note: plugins are not expected to be removed while these - * operations are ongoing, so no issue if we don't ref/unref - * them. */ - g_simple_async_result_set_op_res_gpointer ( - info->result, - info->best_plugin, - NULL); + /* Report best plugin in asynchronous result (could be none) */ + if (info->best_plugin) + g_simple_async_result_set_op_res_gpointer ( + info->result, + g_object_ref (info->best_plugin), + (GDestroyNotify)g_object_unref); + else + g_simple_async_result_set_op_res_gpointer ( + info->result, + NULL, + NULL); /* We are only giving the plugin as result, so we can now safely remove * the supports info from the manager. Always untrack the supports info @@ -321,13 +367,16 @@ find_port_support_idle (SupportsInfo *info) /* We are reporting a best plugin found to a port. We can now * 'suggest' this same plugin to other ports of the same device. */ - if (info->best_plugin) { + if (info->best_plugin) suggest_supports_info_result (info->self, info->physdev_path, info->best_plugin); - } + /* If ending without a best plugin, we need to cancel all probing tasks + * that got deferred until suggested. */ + else + cancel_all_deferred_supports_info (info->self, + info->physdev_path); - /* The asynchronous operation is always completed here */ g_simple_async_result_complete (info->result); supports_info_free (info); |