Initial service skeleton for bt.inputd

4 files changed, 271 insertions, 1 deletions

diff --git a/input/Makefile.am b/input/Makefile.am
index c684432d..c23df9ba 100644
--- a/input/Makefile.am
+++ b/input/Makefile.am
@@ -1,7 +1,7 @@
 
 noinst_PROGRAMS = bt.inputd
 
-bt_inputd_SOURCES = main.c
+bt_inputd_SOURCES = main.c input-service.h input-service.c
 
 bt_inputd_LDADD = @DBUS_LIBS@ @BLUEZ_LIBS@ $(top_builddir)/common/libhelper.a
 
diff --git a/input/input-service.c b/input/input-service.c
new file mode 100644
index 00000000..b036bf70
--- /dev/null
+++ b/input/input-service.c
@@ -0,0 +1,172 @@
+/*
+ *
+ *  BlueZ - Bluetooth protocol stack for Linux
+ *
+ *  Copyright (C) 2005-2006  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 <signal.h>
+
+#include "dbus.h"
+#include "logging.h"
+
+#include <dbus/dbus.h>
+
+#define INPUT_PATH "/org/bluez/input"
+
+static DBusConnection *connection = NULL;
+
+static DBusHandlerResult start_message(DBusConnection *conn,
+					DBusMessage *msg, void *data)
+{
+	DBusMessage *reply;
+
+	info("Starting example service");
+
+	reply = dbus_message_new_method_return(msg);
+	if (!reply) {
+		error("Can't create reply message");
+		return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+	}
+
+	dbus_connection_send(conn, reply, NULL);
+
+	dbus_message_unref(reply);
+
+	return DBUS_HANDLER_RESULT_HANDLED;
+}
+
+static DBusHandlerResult stop_message(DBusConnection *conn,
+					DBusMessage *msg, void *data)
+{
+	DBusMessage *reply;
+
+	info("Stopping example service");
+
+	reply = dbus_message_new_method_return(msg);
+	if (!reply) {
+		error("Can't create reply message");
+		return DBUS_HANDLER_RESULT_NEED_MEMORY;
+	}
+
+	dbus_connection_send(conn, reply, NULL);
+
+	dbus_message_unref(reply);
+
+	return DBUS_HANDLER_RESULT_HANDLED;
+}
+
+static DBusHandlerResult release_message(DBusConnection *conn,
+						DBusMessage *msg, void *data)
+{
+	DBusMessage *reply;
+
+	reply = dbus_message_new_method_return(msg);
+	if (!reply) {
+		error("Can't create reply message");
+		return DBUS_HANDLER_RESULT_NEED_MEMORY;
+	}
+
+	dbus_connection_send(conn, reply, NULL);
+
+	dbus_message_unref(reply);
+
+	info("Got Release method. Exiting.");
+
+	raise(SIGTERM);
+
+	return DBUS_HANDLER_RESULT_HANDLED;
+}
+
+
+static DBusHandlerResult input_message(DBusConnection *conn,
+					DBusMessage *msg, void *data)
+{
+	if (dbus_message_is_method_call(msg, "org.bluez.ServiceAgent", "Start"))
+		return start_message(conn, msg, data);
+
+	if (dbus_message_is_method_call(msg, "org.bluez.ServiceAgent", "Stop"))
+		return stop_message(conn, msg, data);
+
+	if (dbus_message_is_method_call(msg, "org.bluez.ServiceAgent", "Release"))
+		return release_message(conn, msg, data);
+
+	return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+}
+
+
+static const DBusObjectPathVTable input_table = {
+	.message_function = input_message,
+};
+
+int input_dbus_init(void)
+{
+	DBusError err;
+	DBusMessage *msg, *reply;
+	const char *name = "Input service";
+	const char *description = "A service for input devices";
+	const char *input_path = INPUT_PATH;
+
+	connection = init_dbus(NULL, NULL);
+	if (!connection)
+		return -1;
+
+	dbus_error_init(&err);
+
+	if (!dbus_connection_register_object_path(connection, input_path,
+						&input_table, NULL)) {
+		error("D-Bus failed to register %s path", INPUT_PATH);
+		return -1;
+	}
+
+	msg = dbus_message_new_method_call("org.bluez", "/org/bluez",
+					"org.bluez.Manager", "RegisterService");
+	if (!msg) {
+		error("Can't allocate new method call");
+		return -1;
+	}
+
+	dbus_message_append_args(msg, DBUS_TYPE_STRING, &input_path,
+					DBUS_TYPE_STRING, &name,
+					DBUS_TYPE_STRING, &description,
+					DBUS_TYPE_INVALID);
+
+	dbus_error_init(&err);
+
+	reply = dbus_connection_send_with_reply_and_block(connection, msg, -1,
+								&err);
+
+	dbus_message_unref(msg);
+
+	if (!reply) {
+		error("Can't register service agent");
+		if (dbus_error_is_set(&err)) {
+			error("%s", err.message);
+			dbus_error_free(&err);
+		}
+		return -1;
+	}
+
+	return 0;
+}
+
diff --git a/input/input-service.h b/input/input-service.h
new file mode 100644
index 00000000..6cc0b413
--- /dev/null
+++ b/input/input-service.h
@@ -0,0 +1,29 @@
+/*
+ *
+ *  BlueZ - Bluetooth protocol stack for Linux
+ *
+ *  Copyright (C) 2006  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
+ *
+ */
+
+#ifndef __INPUT_SERVICE_H
+#define __INPUT_SERVICE_H
+
+int input_dbus_init(void);
+
+#endif /* __INPUT_SERVICE_H */
diff --git a/input/main.c b/input/main.c
index c04bb251..df3b5160 100644
--- a/input/main.c
+++ b/input/main.c
@@ -26,9 +26,78 @@
 #endif
 
 #include <stdio.h>
+#include <unistd.h>
+#include <string.h>
 #include <errno.h>
+#include <signal.h>
+#include <getopt.h>
+#include <dbus/dbus.h>
+
+#include "dbus.h"
+#include "logging.h"
+#include "glib-ectomy.h"
+
+#include "input-service.h"
+
+static GMainLoop *main_loop;
+
+static void usage(void)
+{
+	printf("bt.inputd - Bluetooth Input daemon ver %s\n", VERSION);
+	printf("Usage: \n");
+	printf("\tbt.inputd [-n not_daemon]\n");
+}
+
+static void sig_term(int sig)
+{
+	g_main_quit(main_loop);
+}
 
 int main(int argc, char *argv[])
 {
+	struct sigaction sa;
+	int opt, daemonize = 1;
+
+	while ((opt = getopt(argc, argv, "n")) != EOF) {
+		switch (opt) {
+		case 'n':
+			daemonize = 0;
+			break;
+
+		default:
+			usage();
+			exit(1);
+		}
+	}
+
+	if (daemonize && daemon(0, 0)) {
+		error("Can't daemonize: %s (%d)", strerror(errno), errno);
+		exit(1);
+	}
+
+	start_logging("bt.inputd", "Bluetooth Input daemon");
+
+	memset(&sa, 0, sizeof(sa));
+	sa.sa_flags = SA_NOCLDSTOP;
+	sa.sa_handler = sig_term;
+	sigaction(SIGTERM, &sa, NULL);
+	sigaction(SIGINT,  &sa, NULL);
+
+	sa.sa_handler = SIG_IGN;
+	sigaction(SIGCHLD, &sa, NULL);
+	sigaction(SIGPIPE, &sa, NULL);
+
+	enable_debug();
+
+	/* Create event loop */
+	main_loop = g_main_new(FALSE);
+
+	if (input_dbus_init() < 0) {
+		error("Unable to get on D-Bus");
+		exit(1);
+	}
+
+	g_main_run(main_loop);
+
 	return 0;
 }