dbus: Add basic D-Bus plumbing

Makefile.am

@@ -44,7 +44,8 @@ src_iwd_SOURCES = src/main.c linux/nl80211.h linux/kdbus.h \
 					src/netdev.h src/netdev.c \
 					src/wiphy.h src/wiphy.c \
 					src/sha1.h src/sha1.c \
-					src/ie.h src/ie.c
+					src/ie.h src/ie.c \
+					src/dbus.h src/dbus.c
 src_iwd_LDADD = ell/libell-internal.la
 
 client_iwctl_SOURCES = client/main.c linux/kdbus.h \

src/dbus.c

@@ -0,0 +1,102 @@
+/*
+ *
+ *  Wireless daemon for Linux
+ *
+ *  Copyright (C) 2013-2014  Intel Corporation. All rights reserved.
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2.1 of the License, or (at your option) any later version.
+ *
+ *  This library 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
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; 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 <ell/ell.h>
+#include "src/dbus.h"
+
+struct l_dbus *g_dbus = 0;
+
+static void do_debug(const char *str, void *user_data)
+{
+	const char *prefix = user_data;
+
+	l_info("%s%s", prefix, str);
+}
+
+static void request_name_callback(struct l_dbus_message *message,
+					void *user_data)
+{
+	const char *error, *text;
+	uint32_t result;
+
+	if (l_dbus_message_get_error(message, &error, &text)) {
+		l_error("error=%s", error);
+		l_error("message=%s", text);
+		return;
+	}
+
+	if (!l_dbus_message_get_arguments(message, "u", &result))
+		return;
+
+	l_info("request name result=%d", result);
+}
+
+static void request_name_setup(struct l_dbus_message *message, void *user_data)
+{
+	const char *name = "net.connman.iwd";
+
+	l_dbus_message_set_arguments(message, "su", name, 0);
+}
+
+static void ready_callback(void *user_data)
+{
+	l_info("ready");
+}
+
+static void disconnect_callback(void *user_data)
+{
+	l_info("D-Bus disconnected, quitting...");
+	l_main_quit();
+}
+
+struct l_dbus *dbus_get_bus(void)
+{
+	return g_dbus;
+}
+
+bool dbus_init(void)
+{
+	g_dbus = l_dbus_new_default(L_DBUS_SYSTEM_BUS);
+	l_dbus_set_debug(g_dbus, do_debug, "[DBUS] ", NULL);
+	l_dbus_set_ready_handler(g_dbus, ready_callback, g_dbus, NULL);
+	l_dbus_set_disconnect_handler(g_dbus, disconnect_callback, NULL, NULL);
+
+	l_dbus_method_call(g_dbus, "org.freedesktop.DBus",
+				"/org/freedesktop/DBus",
+				"org.freedesktop.DBus", "RequestName",
+				request_name_setup,
+				request_name_callback, NULL, NULL);
+
+	return true;
+}
+
+bool dbus_exit(void)
+{
+	l_dbus_destroy(g_dbus);
+	g_dbus = NULL;
+
+	return true;
+}

src/dbus.h

@@ -0,0 +1,30 @@
+/*
+ *
+ *  Wireless daemon for Linux
+ *
+ *  Copyright (C) 2013-2014  Intel Corporation. All rights reserved.
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2.1 of the License, or (at your option) any later version.
+ *
+ *  This library 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
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#include <stdbool.h>
+
+struct l_dbus;
+
+struct l_dbus *dbus_get_bus(void);
+
+bool dbus_init(void);
+bool dbus_exit(void);

src/main.c

@@ -32,6 +32,7 @@
 #include "src/netdev.h"
 #include "src/wiphy.h"
 #include "src/kdbus.h"
+#include "src/dbus.h"
 
 static void signal_handler(struct l_signal *signal, uint32_t signo,
 							void *user_data)
@@ -139,6 +140,11 @@ int main(int argc, char *argv[])
 		}
 	}
 
+	if (!dbus_init()) {
+		exit_status = EXIT_FAILURE;
+		goto destroy;
+	}
+
 	if (!netdev_init()) {
 		exit_status = EXIT_FAILURE;
 		goto destroy;
@@ -154,6 +160,7 @@ int main(int argc, char *argv[])
 
 	wiphy_exit();
 	netdev_exit();
+	dbus_exit();
 
 	exit_status = EXIT_SUCCESS;