dundee: Add skeleton implementation

2 files changed, 301 insertions, 0 deletions

diff --git a/dundee/dundee.h b/dundee/dundee.h
new file mode 100644
index 00000000..c4c98002
--- /dev/null
+++ b/dundee/dundee.h
@@ -0,0 +1,46 @@
+/*
+ *
+ *  oFono - Open Source Telephony
+ *
+ *  Copyright (C) 2008-2012  Intel Corporation. All rights reserved.
+ *  Copyright (C) 2012  BMW Car IT GmbH. 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
+ *
+ */
+
+#include <glib.h>
+
+#define OFONO_API_SUBJECT_TO_CHANGE
+
+#include <ofono/types.h>
+
+void __dundee_exit(void);
+
+#include <ofono/log.h>
+
+int __ofono_log_init(const char *program, const char *debug,
+					ofono_bool_t detach);
+void __ofono_log_cleanup(void);
+void __ofono_log_enable(struct ofono_debug_desc *start,
+					struct ofono_debug_desc *stop);
+
+#include <ofono/dbus.h>
+
+#define DUNDEE_SERVICE			"org.ofono.dundee"
+
+int __ofono_dbus_init(DBusConnection *conn);
+void __ofono_dbus_cleanup(void);
+
+void __ofono_dbus_pending_reply(DBusMessage **msg, DBusMessage *reply);
diff --git a/dundee/main.c b/dundee/main.c
new file mode 100644
index 00000000..95ee7957
--- /dev/null
+++ b/dundee/main.c
@@ -0,0 +1,255 @@
+/*
+ *
+ *  oFono - Open Source Telephony
+ *
+ *  Copyright (C) 2008-2012  Intel Corporation. All rights reserved.
+ *  Copyright (C) 2012  BMW Car IT GmbH. 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
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <signal.h>
+#include <sys/signalfd.h>
+
+#include <gdbus.h>
+
+#ifdef HAVE_CAPNG
+#include <cap-ng.h>
+#endif
+
+#include "dundee.h"
+
+#define SHUTDOWN_GRACE_SECONDS 10
+
+static GMainLoop *event_loop;
+
+void __dundee_exit(void)
+{
+	g_main_loop_quit(event_loop);
+}
+
+static gboolean quit_eventloop(gpointer user_data)
+{
+	__dundee_exit();
+	return FALSE;
+}
+
+static unsigned int __terminated = 0;
+
+static gboolean signal_handler(GIOChannel *channel, GIOCondition cond,
+							gpointer user_data)
+{
+	struct signalfd_siginfo si;
+	ssize_t result;
+	int fd;
+
+	if (cond & (G_IO_NVAL | G_IO_ERR | G_IO_HUP))
+		return FALSE;
+
+	fd = g_io_channel_unix_get_fd(channel);
+
+	result = read(fd, &si, sizeof(si));
+	if (result != sizeof(si))
+		return FALSE;
+
+	switch (si.ssi_signo) {
+	case SIGINT:
+	case SIGTERM:
+		if (__terminated == 0) {
+			ofono_info("Terminating");
+			g_timeout_add_seconds(SHUTDOWN_GRACE_SECONDS,
+						quit_eventloop, NULL);
+
+			quit_eventloop(NULL);
+		}
+
+		__terminated = 1;
+		break;
+	}
+
+	return TRUE;
+}
+
+static guint setup_signalfd(void)
+{
+	GIOChannel *channel;
+	guint source;
+	sigset_t mask;
+	int fd;
+
+	sigemptyset(&mask);
+	sigaddset(&mask, SIGINT);
+	sigaddset(&mask, SIGTERM);
+
+	if (sigprocmask(SIG_BLOCK, &mask, NULL) < 0) {
+		perror("Failed to set signal mask");
+		return 0;
+	}
+
+	fd = signalfd(-1, &mask, 0);
+	if (fd < 0) {
+		perror("Failed to create signal descriptor");
+		return 0;
+	}
+
+	channel = g_io_channel_unix_new(fd);
+
+	g_io_channel_set_close_on_unref(channel, TRUE);
+	g_io_channel_set_encoding(channel, NULL, NULL);
+	g_io_channel_set_buffered(channel, FALSE);
+
+	source = g_io_add_watch(channel,
+				G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL,
+				signal_handler, NULL);
+
+	g_io_channel_unref(channel);
+
+	return source;
+}
+
+static void system_bus_disconnected(DBusConnection *conn, void *user_data)
+{
+	ofono_error("System bus has disconnected!");
+
+	g_main_loop_quit(event_loop);
+}
+
+static gchar *option_debug = NULL;
+static gboolean option_detach = TRUE;
+static gboolean option_version = FALSE;
+
+static gboolean parse_debug(const char *key, const char *value,
+					gpointer user_data, GError **error)
+{
+	if (value)
+		option_debug = g_strdup(value);
+	else
+		option_debug = g_strdup("*");
+
+	return TRUE;
+}
+
+static GOptionEntry options[] = {
+	{ "debug", 'd', G_OPTION_FLAG_OPTIONAL_ARG,
+				G_OPTION_ARG_CALLBACK, parse_debug,
+				"Specify debug options to enable", "DEBUG" },
+	{ "nodetach", 'n', G_OPTION_FLAG_REVERSE,
+				G_OPTION_ARG_NONE, &option_detach,
+				"Don't run as daemon in background" },
+	{ "version", 'v', 0, G_OPTION_ARG_NONE, &option_version,
+				"Show version information and exit" },
+	{ NULL },
+};
+
+int main(int argc, char **argv)
+{
+	GOptionContext *context;
+	GError *err = NULL;
+	DBusConnection *conn;
+	DBusError error;
+	guint signal;
+
+#ifdef HAVE_CAPNG
+	/* Drop capabilities */
+	capng_clear(CAPNG_SELECT_BOTH);
+	capng_updatev(CAPNG_ADD, CAPNG_EFFECTIVE | CAPNG_PERMITTED,
+				CAP_NET_BIND_SERVICE, CAP_NET_ADMIN,
+				CAP_NET_RAW, CAP_SYS_ADMIN, -1);
+	capng_apply(CAPNG_SELECT_BOTH);
+#endif
+
+	context = g_option_context_new(NULL);
+	g_option_context_add_main_entries(context, options, NULL);
+
+	if (g_option_context_parse(context, &argc, &argv, &err) == FALSE) {
+		if (err != NULL) {
+			g_printerr("%s\n", err->message);
+			g_error_free(err);
+			return 1;
+		}
+
+		g_printerr("An unknown error occurred\n");
+		return 1;
+	}
+
+	g_option_context_free(context);
+
+	if (option_version == TRUE) {
+		printf("%s\n", VERSION);
+		exit(0);
+	}
+
+	if (option_detach == TRUE) {
+		if (daemon(0, 0)) {
+			perror("Can't start daemon");
+			return 1;
+		}
+	}
+
+	event_loop = g_main_loop_new(NULL, FALSE);
+
+	signal = setup_signalfd();
+
+	__ofono_log_init(argv[0], option_debug, option_detach);
+
+	dbus_error_init(&error);
+
+	conn = g_dbus_setup_bus(DBUS_BUS_SYSTEM, DUNDEE_SERVICE, &error);
+	if (conn == NULL) {
+		if (dbus_error_is_set(&error) == TRUE) {
+			ofono_error("Unable to hop onto D-Bus: %s",
+					error.message);
+			dbus_error_free(&error);
+		} else {
+			ofono_error("Unable to hop onto D-Bus");
+		}
+
+		goto cleanup;
+	}
+
+	g_dbus_set_disconnect_function(conn, system_bus_disconnected,
+					NULL, NULL);
+
+	__ofono_dbus_init(conn);
+
+	/*
+	 * The reason why this DBG is here is that we have the __stop__debug,
+	 * __start__debug linking symbols in the object. As soon we
+	 * have real DBG we can remove this one again.
+	 */
+	DBG("");
+
+	g_main_loop_run(event_loop);
+
+	__ofono_dbus_cleanup();
+	dbus_connection_unref(conn);
+
+cleanup:
+	g_source_remove(signal);
+
+	g_main_loop_unref(event_loop);
+
+	__ofono_log_cleanup();
+
+	return 0;
+}