X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=discover%2Fdevice-handler.c;h=e503b58dcb2dab2266d39bc709c9b7d56e19c528;hb=a8b4e044d505e9bdcc28ab0dfa5e3315542f0e67;hp=43b9541aba9187c2198593f88f85cd5699763b60;hpb=8569abdf356aa617ebdcb426aa708a0fd8129a1a;p=petitboot

diff --git a/discover/device-handler.c b/discover/device-handler.c
index 43b9541..e503b58 100644
--- a/discover/device-handler.c
+++ b/discover/device-handler.c
@@ -221,17 +221,22 @@ static int destroy_device(void *arg)
 }
 
 struct discover_device *discover_device_create(struct device_handler *handler,
-		const char *id)
+		const char *uuid, const char *id)
 {
 	struct discover_device *dev;
 
-	dev = device_lookup_by_id(handler, id);
+	if (uuid)
+		dev = device_lookup_by_uuid(handler, uuid);
+	else
+		dev = device_lookup_by_id(handler, id);
+
 	if (dev)
 		return dev;
 
 	dev = talloc_zero(handler, struct discover_device);
 	dev->device = talloc_zero(dev, struct device);
 	dev->device->id = talloc_strdup(dev->device, id);
+	dev->uuid = talloc_strdup(dev, uuid);
 	list_init(&dev->params);
 	list_init(&dev->boot_options);
 
@@ -359,6 +364,15 @@ void device_handler_remove(struct device_handler *handler,
 	struct discover_boot_option *opt, *tmp;
 	unsigned int i;
 
+	list_for_each_entry_safe(&device->boot_options, opt, tmp, list) {
+		if (opt == handler->default_boot_option) {
+			pb_log("Default option %s cancelled since device removed",
+					opt->option->name);
+			device_handler_cancel_default(handler);
+			break;
+		}
+	}
+
 	for (i = 0; i < handler->n_devices; i++)
 		if (handler->devices[i] == device)
 			break;
@@ -396,7 +410,7 @@ void device_handler_remove(struct device_handler *handler,
 	talloc_free(device);
 }
 
-static void boot_status(void *arg, struct boot_status *status)
+void device_handler_boot_status(void *arg, struct boot_status *status)
 {
 	struct device_handler *handler = arg;
 
@@ -448,7 +462,8 @@ static int default_timeout(void *arg)
 	platform_pre_boot();
 
 	handler->pending_boot = boot(handler, handler->default_boot_option,
-			NULL, handler->dry_run, boot_status, handler);
+			NULL, handler->dry_run, device_handler_boot_status,
+			handler);
 	handler->pending_boot_is_default = true;
 	return 0;
 }
@@ -707,50 +722,6 @@ struct discover_context *device_handler_discover_context_create(
 	return ctx;
 }
 
-/**
- * context_commit - Commit a temporary discovery context to the handler,
- * and notify the clients about any new options / devices
- */
-void device_handler_discover_context_commit(struct device_handler *handler,
-		struct discover_context *ctx)
-{
-	struct discover_device *dev = ctx->device;
-	struct discover_boot_option *opt, *tmp;
-
-	if (!device_lookup_by_id(handler, dev->device->id))
-		device_handler_add_device(handler, dev);
-
-	/* move boot options from the context to the device */
-	list_for_each_entry_safe(&ctx->boot_options, opt, tmp, list) {
-		list_remove(&opt->list);
-
-		if (boot_option_resolve(opt, handler)) {
-			pb_log("boot option %s is resolved, "
-					"sending to clients\n",
-					opt->option->id);
-			list_add_tail(&dev->boot_options, &opt->list);
-			talloc_steal(dev, opt);
-			boot_option_finalise(handler, opt);
-			notify_boot_option(handler, opt);
-		} else {
-			if (!opt->source->resolve_resource) {
-				pb_log("parser %s gave us an unresolved "
-					"resource (%s), but no way to "
-					"resolve it\n",
-					opt->source->name, opt->option->id);
-				talloc_free(opt);
-			} else {
-				pb_log("boot option %s is unresolved, "
-						"adding to queue\n",
-						opt->option->id);
-				list_add(&handler->unresolved_boot_options,
-						&opt->list);
-				talloc_steal(handler, opt);
-			}
-		}
-	}
-}
-
 void device_handler_add_device(struct device_handler *handler,
 		struct discover_device *device)
 {
@@ -873,7 +844,7 @@ int device_handler_discover(struct device_handler *handler,
 	status->message = talloc_asprintf(status, _("Processing %s device %s"),
 				device_type_display_name(dev->device->type),
 				dev->device->id);
-	boot_status(handler, status);
+	device_handler_boot_status(handler, status);
 
 	process_boot_option_queue(handler);
 
@@ -901,10 +872,10 @@ out:
 	 */
 	status->message = talloc_asprintf(status,_("Processing %s complete"),
 				dev->device->id);
-	boot_status(handler, status);
+	device_handler_boot_status(handler, status);
 
 	talloc_free(status);
-	talloc_free(ctx);
+	talloc_unlink(handler, ctx);
 
 	return 0;
 }
@@ -924,10 +895,11 @@ int device_handler_dhcp(struct device_handler *handler,
 	 */
 	status->message = talloc_asprintf(status, _("Processing dhcp event on %s"),
 				dev->device->id);
-	boot_status(handler, status);
+	device_handler_boot_status(handler, status);
 
 	/* create our context */
 	ctx = device_handler_discover_context_create(handler, dev);
+	talloc_steal(ctx, event);
 	ctx->event = event;
 
 	iterate_parsers(ctx);
@@ -940,40 +912,10 @@ int device_handler_dhcp(struct device_handler *handler,
 	 */
 	status->message = talloc_asprintf(status,_("Processing %s complete"),
 				dev->device->id);
-	boot_status(handler, status);
+	device_handler_boot_status(handler, status);
 
 	talloc_free(status);
-	talloc_free(ctx);
-
-	return 0;
-}
-
-/* incoming conf event */
-int device_handler_conf(struct device_handler *handler,
-		struct discover_device *dev, struct pb_url *url)
-{
-	struct discover_context *ctx;
-	struct boot_status *status;
-
-	status = talloc_zero(handler, struct boot_status);
-	status->type = BOOT_STATUS_INFO;
-	status->message = talloc_asprintf(status, _("Processing user config"));
-	boot_status(handler, status);
-
-	/* create our context */
-	ctx = device_handler_discover_context_create(handler, dev);
-	ctx->conf_url = url;
-
-	iterate_parsers(ctx);
-
-	device_handler_discover_context_commit(handler, ctx);
-
-	status->message = talloc_asprintf(status,
-				_("Processing user config complete"));
-	boot_status(handler, status);
-
-	talloc_free(status);
-	talloc_free(ctx);
+	talloc_unlink(handler, ctx);
 
 	return 0;
 }
@@ -1009,7 +951,7 @@ void device_handler_boot(struct device_handler *handler,
 	platform_pre_boot();
 
 	handler->pending_boot = boot(handler, opt, cmd, handler->dry_run,
-			boot_status, handler);
+			device_handler_boot_status, handler);
 	handler->pending_boot_is_default = false;
 }
 
@@ -1154,7 +1096,7 @@ void device_handler_process_url(struct device_handler *handler,
 
 	event = talloc(handler, struct event);
 	event->type = EVENT_TYPE_USER;
-	event->action = EVENT_ACTION_CONF;
+	event->action = EVENT_ACTION_URL;
 
 	if (url[strlen(url) - 1] == '/') {
 		event->params = talloc_array(event, struct param, 3);
@@ -1177,13 +1119,17 @@ void device_handler_process_url(struct device_handler *handler,
 	}
 
 	pb_url = pb_url_parse(event, event->params->value);
-	if (!pb_url || !pb_url->host) {
+	if (!pb_url || (pb_url->scheme != pb_url_file && !pb_url->host)) {
 		status->message = talloc_asprintf(handler,
 					_("Invalid config URL!"));
 		goto msg;
 	}
 
-	event->device = device_from_addr(event, pb_url);
+	if (pb_url->scheme == pb_url_file)
+		event->device = talloc_asprintf(event, "local");
+	else
+		event->device = device_from_addr(event, pb_url);
+
 	if (!event->device) {
 		status->message = talloc_asprintf(status,
 					_("Unable to route to host %s"),
@@ -1191,26 +1137,81 @@ void device_handler_process_url(struct device_handler *handler,
 		goto msg;
 	}
 
-	dev = discover_device_create(handler, event->device);
+	dev = discover_device_create(handler, mac, event->device);
+	if (pb_url->scheme == pb_url_file)
+		dev->device->type = DEVICE_TYPE_ANY;
 	ctx = device_handler_discover_context_create(handler, dev);
+	talloc_steal(ctx, event);
 	ctx->event = event;
 
 	iterate_parsers(ctx);
 
 	device_handler_discover_context_commit(handler, ctx);
 
-	talloc_free(ctx);
+	talloc_unlink(handler, ctx);
 
 	status->type = BOOT_STATUS_INFO;
 	status->message = talloc_asprintf(status, _("Config file %s parsed"),
 					pb_url->file);
 msg:
-	boot_status(handler, status);
+	device_handler_boot_status(handler, status);
 	talloc_free(status);
 }
 
 #ifndef PETITBOOT_TEST
 
+/**
+ * context_commit - Commit a temporary discovery context to the handler,
+ * and notify the clients about any new options / devices
+ */
+void device_handler_discover_context_commit(struct device_handler *handler,
+		struct discover_context *ctx)
+{
+	struct discover_device *dev = ctx->device;
+	struct discover_boot_option *opt, *tmp;
+
+	if (!device_lookup_by_uuid(handler, dev->uuid))
+		device_handler_add_device(handler, dev);
+
+	/* move boot options from the context to the device */
+	list_for_each_entry_safe(&ctx->boot_options, opt, tmp, list) {
+		list_remove(&opt->list);
+
+		/* All boot options need at least a kernel image */
+		if (!opt->boot_image || !opt->boot_image->url) {
+			pb_log("boot option %s is missing boot image, ignoring\n",
+				opt->option->id);
+			talloc_free(opt);
+			continue;
+		}
+
+		if (boot_option_resolve(opt, handler)) {
+			pb_log("boot option %s is resolved, "
+					"sending to clients\n",
+					opt->option->id);
+			list_add_tail(&dev->boot_options, &opt->list);
+			talloc_steal(dev, opt);
+			boot_option_finalise(handler, opt);
+			notify_boot_option(handler, opt);
+		} else {
+			if (!opt->source->resolve_resource) {
+				pb_log("parser %s gave us an unresolved "
+					"resource (%s), but no way to "
+					"resolve it\n",
+					opt->source->name, opt->option->id);
+				talloc_free(opt);
+			} else {
+				pb_log("boot option %s is unresolved, "
+						"adding to queue\n",
+						opt->option->id);
+				list_add(&handler->unresolved_boot_options,
+						&opt->list);
+				talloc_steal(handler, opt);
+			}
+		}
+	}
+}
+
 static void device_handler_update_lang(const char *lang)
 {
 	const char *cur_lang;
@@ -1557,8 +1558,50 @@ void device_release_write(struct discover_device *dev, bool release)
 		dev->mounted = true;
 }
 
+void device_sync_snapshots(struct device_handler *handler, const char *device)
+{
+	struct discover_device *dev = NULL;
+	unsigned int i;
+
+	if (device) {
+		/* Find matching device and sync */
+		dev = device_lookup_by_name(handler, device);
+		if (!dev) {
+			pb_log("%s: device name '%s' unrecognised\n",
+				__func__, device);
+			return;
+		}
+		if (dev->ramdisk)
+			device_release_write(dev, true);
+		else
+			pb_log("%s has no snapshot to merge, skipping\n",
+				dev->device->id);
+		return;
+	}
+
+	/* Otherwise sync all relevant devices */
+	for (i = 0; i < handler->n_devices; i++) {
+		dev = handler->devices[i];
+		if (dev->device->type != DEVICE_TYPE_DISK &&
+			dev->device->type != DEVICE_TYPE_USB)
+			continue;
+		if (dev->ramdisk)
+			device_release_write(dev, true);
+		else
+			pb_log("%s has no snapshot to merge, skipping\n",
+				dev->device->id);
+	}
+}
+
 #else
 
+void device_handler_discover_context_commit(
+		struct device_handler *handler __attribute__((unused)),
+		struct discover_context *ctx __attribute__((unused)))
+{
+	pb_log("%s stubbed out for test cases\n", __func__);
+}
+
 static void device_handler_update_lang(const char *lang __attribute__((unused)))
 {
 }
@@ -1597,5 +1640,10 @@ void device_release_write(struct discover_device *dev __attribute__((unused)),
 {
 }
 
-#endif
+void device_sync_snapshots(
+		struct device_handler *handler __attribute__((unused)),
+		const char *device __attribute__((unused)))
+{
+}
 
+#endif