Add first step for providing HAL plugin

1 files changed, 111 insertions, 0 deletions

diff --git a/plugins/hal.c b/plugins/hal.c
new file mode 100644
index 00000000..475d4956
--- /dev/null
+++ b/plugins/hal.c
@@ -0,0 +1,111 @@
+/*
+ *
+ *  BlueZ - Bluetooth protocol stack for Linux
+ *
+ *  Copyright (C) 2004-2008  Marcel Holtmann <marcel@holtmann.org>
+ *
+ *
+ *  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 <stdlib.h>
+
+#include <hal/libhal.h>
+
+#include "plugin.h"
+#include "adapter.h"
+#include "logging.h"
+
+static uint32_t get_form_factor(LibHalContext *ctx)
+{
+	char *formfactor;
+	uint8_t minor = 0;
+
+	formfactor = libhal_device_get_property_string(ctx,
+				"/org/freedesktop/Hal/devices/computer",
+						"system.formfactor", NULL);
+
+	if (formfactor == NULL)
+		return (1 << 8);
+
+	if (g_str_equal(formfactor, "laptop") == TRUE)
+		minor |= (1 << 2) | (1 << 3);
+	else if (g_str_equal(formfactor, "desktop") == TRUE)
+		minor |= 1 << 2;
+	else if (g_str_equal(formfactor, "server") == TRUE)
+		minor |= 1 << 3;
+	else if (g_str_equal(formfactor, "handheld") == TRUE)
+		minor += 1 << 4;
+
+	free(formfactor);
+
+	/* Computer major class */
+	return (1 << 8) | minor;
+}
+
+static int hal_probe(struct btd_adapter *adapter)
+{
+	DBusConnection *conn;
+	LibHalContext *ctx;
+
+	conn = dbus_bus_get(DBUS_BUS_SYSTEM, NULL);
+	if (conn == NULL)
+		return -ENOMEM;
+
+	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) {
+		error("Unable to init HAL context");
+		libhal_ctx_free(ctx);
+		dbus_connection_unref(conn);
+		return -EIO;
+	}
+
+	debug("Setting 0x%06x device class", get_form_factor(ctx));
+
+	libhal_ctx_free(ctx);
+	dbus_connection_unref(conn);
+
+	return -ENODEV;
+}
+
+static struct btd_adapter_driver hal_driver = {
+	.name	= "hal",
+	.probe	= hal_probe,
+};
+
+static int hal_init(void)
+{
+	return btd_register_adapter_driver(&hal_driver);
+}
+
+static void hal_exit(void)
+{
+	btd_unregister_adapter_driver(&hal_driver);
+}
+
+BLUETOOTH_PLUGIN_DEFINE("hal", hal_init, hal_exit)