ui/ncurses: Add plugin menu and nc-plugin screen
[petitboot] / ui / common / discover-client.c
index a40bfdafe0ce669b1d832f5d95d90f50267eadc8..8ad4611b3a913d7387fdb1946ff1e2efaa4e963b 100644 (file)
@@ -60,6 +60,7 @@ static void device_add(struct discover_client *client, struct device *device)
 
        client->devices[client->n_devices - 1] = device;
        talloc_steal(client, device);
+       list_init(&device->boot_options);
 
        if (client->ops.device_add)
                client->ops.device_add(device, client->ops.cb_arg);
@@ -77,6 +78,7 @@ static void boot_option_add(struct discover_client *client,
        assert(dev);
 
        talloc_steal(dev, opt);
+       list_add(&dev->boot_options, &opt->list);
 
        if (client->ops.boot_option_add)
                client->ops.boot_option_add(dev, opt, client->ops.cb_arg);
@@ -110,75 +112,165 @@ static void device_remove(struct discover_client *client, const char *id)
        talloc_free(device);
 }
 
+static void plugin_option_add(struct discover_client *client,
+               struct plugin_option *opt)
+{
+       talloc_steal(client, opt);
+
+       if (client->ops.plugin_option_add)
+               client->ops.plugin_option_add(opt, client->ops.cb_arg);
+}
+
+static void plugins_remove(struct discover_client *client)
+{
+       if (client->ops.plugins_remove)
+               client->ops.plugins_remove(client->ops.cb_arg);
+}
+
+void discover_client_enumerate(struct discover_client *client)
+{
+       struct boot_option *opt;
+       struct device *device;
+       int i;
+
+       for (i = 0; i < client->n_devices; i++) {
+               device = client->devices[i];
+               if (client->ops.device_add)
+                       client->ops.device_add(device, client->ops.cb_arg);
+
+               list_for_each_entry(&device->boot_options, opt, list)
+                       if (client->ops.boot_option_add)
+                               client->ops.boot_option_add(device, opt,
+                                               client->ops.cb_arg);
+       }
+}
+
 static void update_status(struct discover_client *client,
-               struct boot_status *status)
+               struct status *status)
 {
        if (client->ops.update_status)
                client->ops.update_status(status, client->ops.cb_arg);
-       talloc_free(status);
+}
+
+static void update_sysinfo(struct discover_client *client,
+               struct system_info *sysinfo)
+{
+       if (client->ops.update_sysinfo)
+               client->ops.update_sysinfo(sysinfo, client->ops.cb_arg);
+}
+
+static void update_config(struct discover_client *client,
+               struct config *config)
+{
+       if (client->ops.update_config)
+               client->ops.update_config(config, client->ops.cb_arg);
 }
 
 static int discover_client_process(void *arg)
 {
        struct discover_client *client = arg;
        struct pb_protocol_message *message;
-       struct boot_status *status;
+       struct plugin_option *p_opt;
+       struct system_info *sysinfo;
        struct boot_option *opt;
+       struct status *status;
+       struct config *config;
        struct device *dev;
        char *dev_id;
+       void *ctx;
        int rc;
 
-       message = pb_protocol_read_message(client, client->fd);
+       /* We use a temporary context for processing one message; persistent
+        * data is re-parented to the client in the callbacks. */
+       ctx = talloc_new(client);
+
+       message = pb_protocol_read_message(ctx, client->fd);
 
        if (!message)
                return -1;
 
        switch (message->action) {
        case PB_PROTOCOL_ACTION_DEVICE_ADD:
-               dev = talloc_zero(client, struct device);
+               dev = talloc_zero(ctx, struct device);
                list_init(&dev->boot_options);
 
                rc = pb_protocol_deserialise_device(dev, message);
                if (rc) {
                        pb_log("%s: no device?\n", __func__);
-                       return 0;
+                       goto out;
                }
 
                device_add(client, dev);
                break;
        case PB_PROTOCOL_ACTION_BOOT_OPTION_ADD:
-               opt = talloc_zero(client, struct boot_option);
+               opt = talloc_zero(ctx, struct boot_option);
 
                rc = pb_protocol_deserialise_boot_option(opt, message);
                if (rc) {
                        pb_log("%s: no boot_option?\n", __func__);
-                       return 0;
+                       goto out;
                }
 
                boot_option_add(client, opt);
                break;
        case PB_PROTOCOL_ACTION_DEVICE_REMOVE:
-               dev_id = pb_protocol_deserialise_string(client, message);
+               dev_id = pb_protocol_deserialise_string(ctx, message);
                if (!dev_id) {
                        pb_log("%s: no device id?\n", __func__);
-                       return 0;
+                       goto out;
                }
                device_remove(client, dev_id);
                break;
        case PB_PROTOCOL_ACTION_STATUS:
-               status = talloc_zero(client, struct boot_status);
+               status = talloc_zero(ctx, struct status);
 
                rc = pb_protocol_deserialise_boot_status(status, message);
                if (rc) {
                        pb_log("%s: invalid status message?\n", __func__);
-                       return 0;
+                       goto out;
                }
                update_status(client, status);
                break;
+       case PB_PROTOCOL_ACTION_SYSTEM_INFO:
+               sysinfo = talloc_zero(ctx, struct system_info);
+
+               rc = pb_protocol_deserialise_system_info(sysinfo, message);
+               if (rc) {
+                       pb_log("%s: invalid sysinfo message?\n", __func__);
+                       goto out;
+               }
+               update_sysinfo(client, sysinfo);
+               break;
+       case PB_PROTOCOL_ACTION_CONFIG:
+               config = talloc_zero(ctx, struct config);
+
+               rc = pb_protocol_deserialise_config(config, message);
+               if (rc) {
+                       pb_log("%s: invalid config message?\n", __func__);
+                       goto out;
+               }
+               update_config(client, config);
+               break;
+       case PB_PROTOCOL_ACTION_PLUGIN_OPTION_ADD:
+               p_opt = talloc_zero(ctx, struct plugin_option);
+
+               rc = pb_protocol_deserialise_plugin_option(p_opt, message);
+               if (rc) {
+                       pb_log("%s: no plugin_option?\n", __func__);
+                       goto out;
+               }
+
+               plugin_option_add(client, p_opt);
+               break;
+       case PB_PROTOCOL_ACTION_PLUGINS_REMOVE:
+               plugins_remove(client);
+               break;
        default:
                pb_log("%s: unknown action %d\n", __func__, message->action);
        }
 
+out:
+       talloc_free(ctx);
 
        return 0;
 }
@@ -215,8 +307,8 @@ struct discover_client* discover_client_init(struct waitset *waitset,
                goto out_err;
        }
 
-       waiter_register(waitset, client->fd, WAIT_IN, discover_client_process,
-                       client);
+       waiter_register_io(waitset, client->fd, WAIT_IN,
+                       discover_client_process, client);
 
        return client;
 
@@ -245,11 +337,13 @@ static void create_boot_command(struct boot_command *command,
                const struct boot_option *boot_option,
                const struct pb_boot_data *data)
 {
-
-       command->option_id = boot_option->id;
+       command->option_id = boot_option ? boot_option->id : NULL;
        command->boot_image_file = data->image;
        command->initrd_file = data->initrd;
+       command->dtb_file = data->dtb;
        command->boot_args = data->args;
+       command->args_sig_file = data->args_sig_file;
+       command->console = ttyname(STDIN_FILENO);
 }
 
 int discover_client_boot(struct discover_client *client,
@@ -278,3 +372,83 @@ int discover_client_boot(struct discover_client *client,
 
        return rc;
 }
+
+int discover_client_cancel_default(struct discover_client *client)
+{
+       struct pb_protocol_message *message;
+
+       message = pb_protocol_create_message(client,
+                       PB_PROTOCOL_ACTION_CANCEL_DEFAULT, 0);
+
+       if (!message)
+               return -1;
+
+       return pb_protocol_write_message(client->fd, message);
+}
+
+int discover_client_send_reinit(struct discover_client *client)
+{
+       struct pb_protocol_message *message;
+
+       message = pb_protocol_create_message(client,
+                       PB_PROTOCOL_ACTION_REINIT, 0);
+
+       if (!message)
+               return -1;
+
+       return pb_protocol_write_message(client->fd, message);
+}
+
+int discover_client_send_config(struct discover_client *client,
+               struct config *config)
+{
+       struct pb_protocol_message *message;
+       int len;
+
+       len = pb_protocol_config_len(config);
+
+       message = pb_protocol_create_message(client,
+                               PB_PROTOCOL_ACTION_CONFIG, len);
+       if (!message)
+               return -1;
+
+       pb_protocol_serialise_config(config, message->payload, len);
+
+       return pb_protocol_write_message(client->fd, message);
+}
+
+int discover_client_send_url(struct discover_client *client,
+               char *url)
+{
+       struct pb_protocol_message *message;
+       int len;
+
+       len = pb_protocol_url_len(url);
+
+       message = pb_protocol_create_message(client,
+                               PB_PROTOCOL_ACTION_ADD_URL, len);
+       if (!message)
+               return -1;
+
+       pb_protocol_serialise_url(url, message->payload, len);
+
+       return pb_protocol_write_message(client->fd, message);
+}
+
+int discover_client_send_plugin_install(struct discover_client *client,
+               char *file)
+{
+       struct pb_protocol_message *message;
+       int len;
+
+       len = pb_protocol_url_len(file);
+
+       message = pb_protocol_create_message(client,
+                               PB_PROTOCOL_ACTION_PLUGIN_INSTALL, len);
+       if (!message)
+               return -1;
+
+       pb_protocol_serialise_url(file, message->payload, len);
+
+       return pb_protocol_write_message(client->fd, message);
+}