core: Add btd_service to represent device services

Add a new object to centralize all data corresponding to a service
provided by a remote device, coupling a pair of btd_profile and
btd_device pointers.

Makefile.am

@@ -142,6 +142,7 @@ src_bluetoothd_SOURCES = $(gdbus_sources) $(builtin_sources) \
 			src/error.h src/error.c \
 			src/adapter.h src/adapter.c \
 			src/profile.h src/profile.c \
+			src/service.h src/service.c \
 			src/device.h src/device.c src/attio.h \
 			src/dbus-common.c src/dbus-common.h \
 			src/eir.h src/eir.c \

src/service.c

@@ -0,0 +1,102 @@
+/*
+ *
+ *  BlueZ - Bluetooth protocol stack for Linux
+ *
+ *  Copyright (C) 2012-2013  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 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 <stdio.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <stdbool.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+#include <errno.h>
+
+#include <bluetooth/bluetooth.h>
+
+#include <glib.h>
+
+#include "log.h"
+
+#include "adapter.h"
+#include "device.h"
+#include "profile.h"
+#include "service.h"
+
+struct btd_service {
+	gint			ref;
+	struct btd_device	*device;
+	struct btd_profile	*profile;
+};
+
+struct btd_service *btd_service_ref(struct btd_service *service)
+{
+	service->ref++;
+
+	DBG("%p: ref=%d", service, service->ref);
+
+	return service;
+}
+
+void btd_service_unref(struct btd_service *service)
+{
+	service->ref--;
+
+	DBG("%p: ref=%d", service, service->ref);
+
+	if (service->ref > 0)
+		return;
+
+	g_free(service);
+}
+
+struct btd_service *service_create(struct btd_device *device,
+						struct btd_profile *profile)
+{
+	struct btd_service *service;
+
+	service = g_try_new0(struct btd_service, 1);
+	if (!service) {
+		error("service_create: failed to alloc memory");
+		return NULL;
+	}
+
+	service->ref = 1;
+	service->device = device; /* Weak ref */
+	service->profile = profile;
+
+	return service;
+}
+
+struct btd_device *btd_service_get_device(const struct btd_service *service)
+{
+	return service->device;
+}
+
+struct btd_profile *btd_service_get_profile(const struct btd_service *service)
+{
+	return service->profile;
+}

src/service.h

@@ -0,0 +1,37 @@
+/*
+ *
+ *  BlueZ - Bluetooth protocol stack for Linux
+ *
+ *  Copyright (C) 2012-2013  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 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
+ *
+ */
+
+struct btd_service;
+struct btd_device;
+struct btd_profile;
+
+struct btd_service *btd_service_ref(struct btd_service *service);
+void btd_service_unref(struct btd_service *service);
+
+/* Service management functions used by the core */
+struct btd_service *service_create(struct btd_device *device,
+						struct btd_profile *profile);
+
+/* Public member access */
+struct btd_device *btd_service_get_device(const struct btd_service *service);
+struct btd_profile *btd_service_get_profile(const struct btd_service *service);