X-Git-Url: http://git.ozlabs.org/?p=petitboot;a=blobdiff_plain;f=discover%2Fdevice-handler.c;h=af7918b5114000f1c706564ebb0a8c9d05b116f3;hp=682a4e9ae865944d4acea0c62c5b9418ffe36227;hb=bdd5c29b008a4484ed141f934d97465d673a10b7;hpb=7e6dd06b20beda18d07ce725e4d8c4473d10d902

diff --git a/discover/device-handler.c b/discover/device-handler.c
index 682a4e9..af7918b 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);
 
@@ -405,25 +410,92 @@ void device_handler_remove(struct device_handler *handler,
 	talloc_free(device);
 }
 
-void device_handler_boot_status(void *arg, struct boot_status *status)
+void device_handler_status(struct device_handler *handler,
+		struct status *status)
 {
-	struct device_handler *handler = arg;
-
 	discover_server_notify_boot_status(handler->server, status);
 }
 
+static void _device_handler_vstatus(struct device_handler *handler,
+		enum status_type type, const char *fmt, va_list ap)
+{
+	struct status status;
+
+	status.type = type;
+	status.message = talloc_vasprintf(handler, fmt, ap);
+
+	device_handler_status(handler, &status);
+
+	talloc_free(status.message);
+}
+
+static void _device_handler_vdevstatus(struct device_handler *handler,
+		struct discover_device *device, enum status_type type,
+		const char *fmt, va_list ap)
+{
+	char *msg;
+
+	msg = talloc_asprintf(handler, "[%s] %s",
+			device ? device->device->id : "unknown", fmt);
+	_device_handler_vstatus(handler, type, msg, ap);
+	talloc_free(msg);
+}
+
+void device_handler_status_dev_info(struct device_handler *handler,
+		struct discover_device *dev, const char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	_device_handler_vdevstatus(handler, dev, STATUS_INFO, fmt, ap);
+	va_end(ap);
+}
+
+void device_handler_status_dev_err(struct device_handler *handler,
+		struct discover_device *dev, const char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	_device_handler_vdevstatus(handler, dev, STATUS_ERROR, fmt, ap);
+	va_end(ap);
+}
+
+void device_handler_status_info(struct device_handler *handler,
+		const char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	_device_handler_vstatus(handler, STATUS_INFO, fmt, ap);
+	va_end(ap);
+}
+
+void device_handler_status_err(struct device_handler *handler,
+		const char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	_device_handler_vstatus(handler, STATUS_ERROR, fmt, ap);
+	va_end(ap);
+}
+
+static void device_handler_boot_status_cb(void *arg, struct status *status)
+{
+	device_handler_status(arg, status);
+}
+
 static void countdown_status(struct device_handler *handler,
 		struct discover_boot_option *opt, unsigned int sec)
 {
-	struct boot_status status;
+	struct status status;
 
-	status.type = BOOT_STATUS_INFO;
-	status.progress = -1;
-	status.detail = NULL;
+	status.type = STATUS_INFO;
 	status.message = talloc_asprintf(handler,
 			_("Booting in %d sec: %s"), sec, opt->option->name);
 
-	discover_server_notify_boot_status(handler->server, &status);
+	device_handler_status(handler, &status);
 
 	talloc_free(status.message);
 }
@@ -457,7 +529,7 @@ static int default_timeout(void *arg)
 	platform_pre_boot();
 
 	handler->pending_boot = boot(handler, handler->default_boot_option,
-			NULL, handler->dry_run, device_handler_boot_status,
+			NULL, handler->dry_run, device_handler_boot_status_cb,
 			handler);
 	handler->pending_boot_is_default = true;
 	return 0;
@@ -613,6 +685,7 @@ static bool __attribute__((used)) boot_option_is_resolved(
 	return resource_is_resolved(opt->boot_image) &&
 		resource_is_resolved(opt->initrd) &&
 		resource_is_resolved(opt->dtb) &&
+		resource_is_resolved(opt->args_sig_file) &&
 		resource_is_resolved(opt->icon);
 }
 
@@ -638,6 +711,8 @@ static bool boot_option_resolve(struct discover_boot_option *opt,
 	return resource_resolve(opt->boot_image, "boot_image", opt, handler) &&
 		resource_resolve(opt->initrd, "initrd", opt, handler) &&
 		resource_resolve(opt->dtb, "dtb", opt, handler) &&
+		resource_resolve(opt->args_sig_file, "args_sig_file", opt,
+			handler) &&
 		resource_resolve(opt->icon, "icon", opt, handler);
 }
 
@@ -652,6 +727,7 @@ static void boot_option_finalise(struct device_handler *handler,
 	assert(!opt->option->dtb_file);
 	assert(!opt->option->icon_file);
 	assert(!opt->option->device_id);
+	assert(!opt->option->args_sig_file);
 
 	if (opt->boot_image)
 		opt->option->boot_image_file = opt->boot_image->url->full;
@@ -661,6 +737,8 @@ static void boot_option_finalise(struct device_handler *handler,
 		opt->option->dtb_file = opt->dtb->url->full;
 	if (opt->icon)
 		opt->option->icon_file = opt->icon->url->full;
+	if (opt->args_sig_file)
+		opt->option->args_sig_file = opt->args_sig_file->url->full;
 
 	opt->option->device_id = opt->device->device->id;
 
@@ -825,21 +903,16 @@ int device_handler_discover(struct device_handler *handler,
 		struct discover_device *dev)
 {
 	struct discover_context *ctx;
-	struct boot_status *status;
 	int rc;
 
-	status = talloc_zero(handler, struct boot_status);
-	status->type = BOOT_STATUS_INFO;
-	/*
-	 * TRANSLATORS: this string will be passed the type and identifier
-	 * of the device. For example, the first parameter could be "Disk",
-	 * (which will be translated accordingly) and the second a Linux device
-	 * identifier like 'sda1' (which will not be translated)
-	 */
-	status->message = talloc_asprintf(status, _("Processing %s device %s"),
-				device_type_display_name(dev->device->type),
-				dev->device->id);
-	device_handler_boot_status(handler, status);
+	device_handler_status_dev_info(handler, dev,
+		/*
+		 * TRANSLATORS: this string will be passed the type of the
+		 * device (eg "disk" or "network"), which will be translated
+		 * accordingly.
+		 */
+		_("Processing new %s device"),
+		device_type_display_name(dev->device->type));
 
 	process_boot_option_queue(handler);
 
@@ -861,15 +934,8 @@ int device_handler_discover(struct device_handler *handler,
 	device_handler_discover_context_commit(handler, ctx);
 
 out:
-	/*
-	 * TRANSLATORS: the format specifier in this string is a Linux
-	 * device identifier, like 'sda1'
-	 */
-	status->message = talloc_asprintf(status,_("Processing %s complete"),
-				dev->device->id);
-	device_handler_boot_status(handler, status);
+	device_handler_status_dev_info(handler, dev, _("Processing complete"));
 
-	talloc_free(status);
 	talloc_unlink(handler, ctx);
 
 	return 0;
@@ -880,65 +946,21 @@ int device_handler_dhcp(struct device_handler *handler,
 		struct discover_device *dev, struct event *event)
 {
 	struct discover_context *ctx;
-	struct boot_status *status;
-
-	status = talloc_zero(handler, struct boot_status);
-	status->type = BOOT_STATUS_INFO;
-	/*
-	 * TRANSLATORS: this format specifier will be the name of a network
-	 * device, like 'eth0'.
-	 */
-	status->message = talloc_asprintf(status, _("Processing dhcp event on %s"),
-				dev->device->id);
-	device_handler_boot_status(handler, status);
-
-	/* create our context */
-	ctx = device_handler_discover_context_create(handler, dev);
-	ctx->event = event;
-
-	iterate_parsers(ctx);
-
-	device_handler_discover_context_commit(handler, ctx);
-
-	/*
-	 * TRANSLATORS: this format specifier will be the name of a network
-	 * device, like 'eth0'.
-	 */
-	status->message = talloc_asprintf(status,_("Processing %s complete"),
-				dev->device->id);
-	device_handler_boot_status(handler, status);
-
-	talloc_free(status);
-	talloc_unlink(handler, 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"));
-	device_handler_boot_status(handler, status);
+	device_handler_status_dev_info(handler, dev,
+			_("Processing dhcp event"));
 
 	/* create our context */
 	ctx = device_handler_discover_context_create(handler, dev);
-	ctx->conf_url = url;
+	talloc_steal(ctx, event);
+	ctx->event = event;
 
 	iterate_parsers(ctx);
 
 	device_handler_discover_context_commit(handler, ctx);
 
-	status->message = talloc_asprintf(status,
-				_("Processing user config complete"));
-	device_handler_boot_status(handler, status);
+	device_handler_status_dev_info(handler, dev, _("Processing complete"));
 
-	talloc_free(status);
 	talloc_unlink(handler, ctx);
 
 	return 0;
@@ -975,14 +997,12 @@ void device_handler_boot(struct device_handler *handler,
 	platform_pre_boot();
 
 	handler->pending_boot = boot(handler, opt, cmd, handler->dry_run,
-			device_handler_boot_status, handler);
+			device_handler_boot_status_cb, handler);
 	handler->pending_boot_is_default = false;
 }
 
 void device_handler_cancel_default(struct device_handler *handler)
 {
-	struct boot_status status;
-
 	if (handler->timeout_waiter)
 		waiter_remove(handler->timeout_waiter);
 
@@ -1003,12 +1023,7 @@ void device_handler_cancel_default(struct device_handler *handler)
 
 	handler->default_boot_option = NULL;
 
-	status.type = BOOT_STATUS_INFO;
-	status.progress = -1;
-	status.detail = NULL;
-	status.message = _("Default boot cancelled");
-
-	discover_server_notify_boot_status(handler->server, &status);
+	device_handler_status_info(handler, _("Default boot cancelled"));
 }
 
 void device_handler_update_config(struct device_handler *handler,
@@ -1100,27 +1115,18 @@ void device_handler_process_url(struct device_handler *handler,
 {
 	struct discover_context *ctx;
 	struct discover_device *dev;
-	struct boot_status *status;
 	struct pb_url *pb_url;
 	struct event *event;
 	struct param *param;
 
-	status = talloc(handler, struct boot_status);
-
-	status->type = BOOT_STATUS_ERROR;
-	status->progress = 0;
-	status->detail = talloc_asprintf(status,
-			_("Received config URL %s"), url);
-
 	if (!handler->network) {
-		status->message = talloc_asprintf(handler,
-					_("No network configured"));
-		goto msg;
+		device_handler_status_err(handler, _("No network configured"));
+		return;
 	}
 
 	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);
@@ -1144,9 +1150,8 @@ void device_handler_process_url(struct device_handler *handler,
 
 	pb_url = pb_url_parse(event, event->params->value);
 	if (!pb_url || (pb_url->scheme != pb_url_file && !pb_url->host)) {
-		status->message = talloc_asprintf(handler,
-					_("Invalid config URL!"));
-		goto msg;
+		device_handler_status_err(handler, _("Invalid config URL!"));
+		return;
 	}
 
 	if (pb_url->scheme == pb_url_file)
@@ -1155,16 +1160,17 @@ void device_handler_process_url(struct device_handler *handler,
 		event->device = device_from_addr(event, pb_url);
 
 	if (!event->device) {
-		status->message = talloc_asprintf(status,
+		device_handler_status_err(handler,
 					_("Unable to route to host %s"),
 					pb_url->host);
-		goto msg;
+		return;
 	}
 
-	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);
@@ -1172,13 +1178,6 @@ void device_handler_process_url(struct device_handler *handler,
 	device_handler_discover_context_commit(handler, ctx);
 
 	talloc_unlink(handler, ctx);
-
-	status->type = BOOT_STATUS_INFO;
-	status->message = talloc_asprintf(status, _("Config file %s parsed"),
-					pb_url->file);
-msg:
-	device_handler_boot_status(handler, status);
-	talloc_free(status);
 }
 
 #ifndef PETITBOOT_TEST
@@ -1193,7 +1192,7 @@ void device_handler_discover_context_commit(struct device_handler *handler,
 	struct discover_device *dev = ctx->device;
 	struct discover_boot_option *opt, *tmp;
 
-	if (!device_lookup_by_id(handler, dev->device->id))
+	if (!device_lookup_by_uuid(handler, dev->uuid))
 		device_handler_add_device(handler, dev);
 
 	/* move boot options from the context to the device */
@@ -1581,6 +1580,41 @@ 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(
@@ -1628,4 +1662,10 @@ void device_release_write(struct discover_device *dev __attribute__((unused)),
 {
 }
 
+void device_sync_snapshots(
+		struct device_handler *handler __attribute__((unused)),
+		const char *device __attribute__((unused)))
+{
+}
+
 #endif