Add support for technology drivers

4 files changed, 125 insertions, 2 deletions

diff --git a/Makefile.am b/Makefile.am
index aa30177b..2f20476b 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -16,7 +16,7 @@ noinst_HEADERS = include/driver.h include/element.h include/property.h \
 			include/dbus.h include/rfkill.h include/option.h \
 			include/profile.h include/provider.h include/dhcp.h \
 			include/utsname.h include/timeserver.h \
-			include/location.h
+			include/location.h include/technology.h
 
 local_headers = $(foreach file,$(include_HEADERS) $(nodist_include_HEADERS) \
 			$(noinst_HEADERS), include/connman/$(notdir $(file)))
diff --git a/include/technology.h b/include/technology.h
new file mode 100644
index 00000000..56350406
--- /dev/null
+++ b/include/technology.h
@@ -0,0 +1,54 @@
+/*
+ *
+ *  Connection Manager
+ *
+ *  Copyright (C) 2007-2010  Intel Corporation. All rights reserved.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ *  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
+ *
+ */
+
+#ifndef __CONNMAN_TECHNOLOGY_H
+#define __CONNMAN_TECHNOLOGY_H
+
+#include <connman/service.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * SECTION:technology
+ * @title: technology premitives
+ * @short_description: Functions for handling technology details
+ */
+
+struct connman_technology;
+
+struct connman_technology_driver {
+	const char *name;
+	enum connman_service_type type;
+	int priority;
+	int (*probe) (struct connman_technology *technology);
+	void (*remove) (struct connman_technology *technology);
+};
+
+int connman_technology_driver_register(struct connman_technology_driver *driver);
+void connman_technology_driver_unregister(struct connman_technology_driver *driver);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __CONNMAN_TECHNOLOGY_H */
diff --git a/src/connman.h b/src/connman.h
index 7482d5bc..1f4be8d3 100644
--- a/src/connman.h
+++ b/src/connman.h
@@ -284,7 +284,7 @@ char *__connman_udev_get_devtype(const char *ifname);
 void __connman_udev_rfkill(const char *sysname, connman_bool_t blocked);
 connman_bool_t __connman_udev_get_blocked(int phyindex);
 
-#include <connman/device.h>
+#include <connman/technology.h>
 
 void __connman_technology_list(DBusMessageIter *iter, void *user_data);
 
@@ -301,6 +301,8 @@ int __connman_technology_update_rfkill(unsigned int index,
 						connman_bool_t hardblock);
 int __connman_technology_remove_rfkill(unsigned int index);
 
+#include <connman/device.h>
+
 int __connman_device_init(void);
 void __connman_device_cleanup(void);
 
diff --git a/src/technology.c b/src/technology.c
index e1dc5753..feaa95e1 100644
--- a/src/technology.c
+++ b/src/technology.c
@@ -54,8 +54,52 @@ struct connman_technology {
 	GHashTable *rfkill_list;
 	GSList *device_list;
 	gint enabled;
+
+	struct connman_technology_driver *driver;
+	void *driver_data;
 };
 
+static GSList *driver_list = NULL;
+
+static gint compare_priority(gconstpointer a, gconstpointer b)
+{
+	const struct connman_technology_driver *driver1 = a;
+	const struct connman_technology_driver *driver2 = b;
+
+	return driver2->priority - driver1->priority;
+}
+
+/**
+ * connman_technology_driver_register:
+ * @driver: Technology driver definition
+ *
+ * Register a new technology driver
+ *
+ * Returns: %0 on success
+ */
+int connman_technology_driver_register(struct connman_technology_driver *driver)
+{
+	DBG("driver %p name %s", driver, driver->name);
+
+	driver_list = g_slist_insert_sorted(driver_list, driver,
+							compare_priority);
+
+	return 0;
+}
+
+/**
+ * connman_technology_driver_unregister:
+ * @driver: Technology driver definition
+ *
+ * Remove a previously registered technology driver
+ */
+void connman_technology_driver_unregister(struct connman_technology_driver *driver)
+{
+	DBG("driver %p name %s", driver, driver->name);
+
+	driver_list = g_slist_remove(driver_list, driver);
+}
+
 static void free_rfkill(gpointer data)
 {
 	struct connman_rfkill *rfkill = data;
@@ -233,6 +277,7 @@ static struct connman_technology *technology_get(enum connman_service_type type)
 {
 	struct connman_technology *technology;
 	const char *str;
+	GSList *list;
 
 	DBG("type %d", type);
 
@@ -275,6 +320,23 @@ static struct connman_technology *technology_get(enum connman_service_type type)
 
 	technologies_changed();
 
+	if (technology->driver != NULL)
+		goto done;
+
+	for (list = driver_list; list; list = list->next) {
+		struct connman_technology_driver *driver = list->data;
+
+		DBG("driver %p name %s", driver, driver->name);
+
+		if (driver->type != technology->type)
+			continue;
+
+		if (driver->probe(technology) == 0) {
+			technology->driver = driver;
+			break;
+		}
+	}
+
 done:
 	DBG("technology %p", technology);
 
@@ -288,6 +350,11 @@ static void technology_put(struct connman_technology *technology)
 	if (g_atomic_int_dec_and_test(&technology->refcount) == FALSE)
 		return;
 
+	if (technology->driver) {
+		technology->driver->remove(technology);
+		technology->driver = NULL;
+	}
+
 	technology_list = g_slist_remove(technology_list, technology);
 
 	technologies_changed();