Probably doesn't work, and it's missing some exported functionality to
set the device class on the actual adapter (and have it written).
>From bb925e0a397dbbec2a60f39e65ff19c3d5e58d0b Mon Sep 17 00:00:00 2001
From: Bastien Nocera <hadess@xxxxxxxxxx>
Date: Tue, 23 Sep 2008 17:03:06 -0700
Subject: [PATCH] First pass at a HAL plugin to set the device class
---
plugins/hal-adapter-class.c | 126 +++++++++++++++++++++++++++++++++++++++++++
1 files changed, 126 insertions(+), 0 deletions(-)
create mode 100644 plugins/hal-adapter-class.c
diff --git a/plugins/hal-adapter-class.c b/plugins/hal-adapter-class.c
new file mode 100644
index 0000000..c5dae5c
--- /dev/null
+++ b/plugins/hal-adapter-class.c
@@ -0,0 +1,126 @@
+/*
+ *
+ * BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2004-2008 Marcel Holtmann <marcel@xxxxxxxxxxxx>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <errno.h>
+#include <unistd.h>
+
+#include <bluetooth/bluetooth.h>
+
+#include <glib.h>
+#include <hal/libhal.h>
+#include <gdbus.h>
+
+#include "plugin.h"
+#include "adapter.h"
+#include "logging.h"
+
+static guint32 get_form_factor(LibHalContext *ctx)
+{
+ char *formfactor;
+ guint32 ret;
+
+ ret = 1 << 8; /* Computer major class */
+ formfactor = libhal_device_get_property_string(ctx,
+ "/org/freedesktop/Hal/devices/computer",
+ "system.formfactor", NULL);
+
+ if (formfactor == NULL)
+ return ret;
+
+ if (g_str_equal(formfactor, "laptop"))
+ ret += (1 << 2) + (1 << 3);
+ else if (g_str_equal(formfactor, "desktop"))
+ ret += 1 << 2;
+ else if (g_str_equal(formfactor, "server"))
+ ret += 1 << 3;
+ else if (g_str_equal(formfactor, "handheld"))
+ ret += 1 << 4;
+
+ g_free (formfactor);
+
+ return ret;
+}
+
+static int hal_adapter_class_probe(struct btd_adapter *adapter)
+{
+ DBusConnection *conn;
+ LibHalContext *ctx = NULL;
+ guint32 class;
+
+ conn = dbus_bus_get(DBUS_BUS_SYSTEM, NULL);
+
+ ctx = libhal_ctx_new();
+ if (libhal_ctx_set_dbus_connection(ctx, conn) == FALSE) {
+ libhal_ctx_free(ctx);
+ dbus_connection_unref(conn);
+ return -EIO;
+ }
+
+ if (libhal_ctx_init(ctx, NULL) == FALSE) {
+ g_warning("Unable to init HAL context");
+ libhal_ctx_free(ctx);
+ dbus_connection_unref(conn);
+ return -EIO;
+ }
+
+ class = get_form_factor (ctx);
+ debug ("0: 0x%X", class);
+#if 0
+ adapter_set_class (adapter, class);
+ dbus_g_proxy_call(object, "SetMajorClass", NULL,
+ G_TYPE_STRING, "computer", G_TYPE_INVALID, G_TYPE_INVALID);
+ dbus_g_proxy_call(object, "SetMinorClass", NULL,
+ G_TYPE_STRING, formfactor, G_TYPE_INVALID, G_TYPE_INVALID);
+ g_free (formfactor);
+#endif
+ libhal_ctx_free(ctx);
+ dbus_connection_unref(conn);
+
+ return 0;
+}
+
+static struct btd_adapter_driver hal_adapter_class = {
+ .name = "hal-adapter-class",
+ .probe = hal_adapter_class_probe,
+ .remove = NULL,
+};
+
+static int hal_adapter_class_init(void)
+{
+ debug("Setup HAL Adapter Class plugin");
+
+ return btd_register_adapter_driver(&hal_adapter_class);
+}
+
+static void hal_adapter_class_exit(void)
+{
+ debug("Cleanup HAL Adapter Class plugin");
+
+ btd_unregister_adapter_driver(&hal_adapter_class);
+}
+
+BLUETOOTH_PLUGIN_DEFINE("hal", hal_adapter_class_init, hal_adapter_class_exit)
--
1.6.0.1
