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/*
 *
 *  D-Bus helper library
 *
 *  Copyright (C) 2004-2011  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 __GDBUS_H
#define __GDBUS_H

#ifdef __cplusplus
extern "C" {
#endif

#include <dbus/dbus.h>
#include <glib.h>

typedef enum GDBusMethodFlags GDBusMethodFlags;
typedef enum GDBusSignalFlags GDBusSignalFlags;
typedef enum GDBusPropertyFlags GDBusPropertyFlags;
typedef enum GDBusSecurityFlags GDBusSecurityFlags;

typedef struct GDBusArgInfo GDBusArgInfo;
typedef struct GDBusMethodTable GDBusMethodTable;
typedef struct GDBusSignalTable GDBusSignalTable;
typedef struct GDBusPropertyTable GDBusPropertyTable;
typedef struct GDBusSecurityTable GDBusSecurityTable;

typedef void (* GDBusWatchFunction) (DBusConnection *connection,
							void *user_data);

typedef void (* GDBusMessageFunction) (DBusConnection *connection,
					 DBusMessage *message, void *user_data);

typedef gboolean (* GDBusSignalFunction) (DBusConnection *connection,
					DBusMessage *message, void *user_data);

DBusConnection *g_dbus_setup_bus(DBusBusType type, const char *name,
							DBusError *error);

DBusConnection *g_dbus_setup_private(DBusBusType type, const char *name,
							DBusError *error);

gboolean g_dbus_request_name(DBusConnection *connection, const char *name,
							DBusError *error);

gboolean g_dbus_set_disconnect_function(DBusConnection *connection,
				GDBusWatchFunction function,
				void *user_data, DBusFreeFunction destroy);

typedef void (* GDBusDestroyFunction) (void *user_data);

typedef DBusMessage * (* GDBusMethodFunction) (DBusConnection *connection,
					DBusMessage *message, void *user_data);

typedef gboolean (*GDBusPropertyGetter)(const GDBusPropertyTable *property,
					DBusMessageIter *iter, void *data);

typedef guint32 GDBusPendingPropertySet;

typedef void (*GDBusPropertySetter)(const GDBusPropertyTable *property,
			DBusMessageIter *value, GDBusPendingPropertySet id,
			void *data);

typedef gboolean (*GDBusPropertyExists)(const GDBusPropertyTable *property,
								void *data);

typedef guint32 GDBusPendingReply;

typedef void (* GDBusSecurityFunction) (DBusConnection *connection,
						const char *action,
						gboolean interaction,
						GDBusPendingReply pending);

enum GDBusFlags {
	G_DBUS_FLAG_ENABLE_EXPERIMENTAL = (1 << 0),
};

enum GDBusMethodFlags {
	G_DBUS_METHOD_FLAG_DEPRECATED   = (1 << 0),
	G_DBUS_METHOD_FLAG_NOREPLY      = (1 << 1),
	G_DBUS_METHOD_FLAG_ASYNC        = (1 << 2),
	G_DBUS_METHOD_FLAG_EXPERIMENTAL = (1 << 3),
};

enum GDBusSignalFlags {
	G_DBUS_SIGNAL_FLAG_DEPRECATED   = (1 << 0),
	G_DBUS_SIGNAL_FLAG_EXPERIMENTAL = (1 << 1),
};

enum GDBusPropertyFlags {
	G_DBUS_PROPERTY_FLAG_DEPRECATED   = (1 << 0),
	G_DBUS_PROPERTY_FLAG_EXPERIMENTAL = (1 << 1),
};

enum GDBusSecurityFlags {
	G_DBUS_SECURITY_FLAG_DEPRECATED        = (1 << 0),
	G_DBUS_SECURITY_FLAG_BUILTIN           = (1 << 1),
	G_DBUS_SECURITY_FLAG_ALLOW_INTERACTION = (1 << 2),
};

struct GDBusArgInfo {
	const char *name;
	const char *signature;
};

struct GDBusMethodTable {
	const char *name;
	GDBusMethodFunction function;
	GDBusMethodFlags flags;
	unsigned int privilege;
	const GDBusArgInfo *in_args;
	const GDBusArgInfo *out_args;
};

struct GDBusSignalTable {
	const char *name;
	GDBusSignalFlags flags;
	const GDBusArgInfo *args;
};

struct GDBusPropertyTable {
	const char *name;
	const char *type;
	GDBusPropertyGetter get;
	GDBusPropertySetter set;
	GDBusPropertyExists exists;
	GDBusPropertyFlags flags;
};

struct GDBusSecurityTable {
	unsigned int privilege;
	const char *action;
	GDBusSecurityFlags flags;
	GDBusSecurityFunction function;
};

#define GDBUS_ARGS(args...) (const GDBusArgInfo[]) { args, { } }

#define GDBUS_METHOD(_name, _in_args, _out_args, _function) \
	.name = _name, \
	.in_args = _in_args, \
	.out_args = _out_args, \
	.function = _function

#define GDBUS_ASYNC_METHOD(_name, _in_args, _out_args, _function) \
	.name = _name, \
	.in_args = _in_args, \
	.out_args = _out_args, \
	.function = _function, \
	.flags = G_DBUS_METHOD_FLAG_ASYNC

#define GDBUS_DEPRECATED_METHOD(_name, _in_args, _out_args, _function) \
	.name = _name, \
	.in_args = _in_args, \
	.out_args = _out_args, \
	.function = _function, \
	.flags = G_DBUS_METHOD_FLAG_DEPRECATED

#define GDBUS_DEPRECATED_ASYNC_METHOD(_name, _in_args, _out_args, _function) \
	.name = _name, \
	.in_args = _in_args, \
	.out_args = _out_args, \
	.function = _function, \
	.flags = G_DBUS_METHOD_FLAG_ASYNC | G_DBUS_METHOD_FLAG_DEPRECATED

#define GDBUS_EXPERIMENTAL_METHOD(_name, _in_args, _out_args, _function) \
	.name = _name, \
	.in_args = _in_args, \
	.out_args = _out_args, \
	.function = _function, \
	.flags = G_DBUS_METHOD_FLAG_EXPERIMENTAL

#define GDBUS_EXPERIMENTAL_ASYNC_METHOD(_name, _in_args, _out_args, _function) \
	.name = _name, \
	.in_args = _in_args, \
	.out_args = _out_args, \
	.function = _function, \
	.flags = G_DBUS_METHOD_FLAG_ASYNC | G_DBUS_METHOD_FLAG_EXPERIMENTAL

#define GDBUS_NOREPLY_METHOD(_name, _in_args, _out_args, _function) \
	.name = _name, \
	.in_args = _in_args, \
	.out_args = _out_args, \
	.function = _function, \
	.flags = G_DBUS_METHOD_FLAG_NOREPLY

#define GDBUS_SIGNAL(_name, _args) \
	.name = _name, \
	.args = _args

#define GDBUS_DEPRECATED_SIGNAL(_name, _args) \
	.name = _name, \
	.args = _args, \
	.flags = G_DBUS_SIGNAL_FLAG_DEPRECATED

#define GDBUS_EXPERIMENTAL_SIGNAL(_name, _args) \
	.name = _name, \
	.args = _args, \
	.flags = G_DBUS_SIGNAL_FLAG_EXPERIMENTAL

void g_dbus_set_flags(int flags);

gboolean g_dbus_register_interface(DBusConnection *connection,
					const char *path, const char *name,
					const GDBusMethodTable *methods,
					const GDBusSignalTable *signals,
					const GDBusPropertyTable *properties,
					void *user_data,
					GDBusDestroyFunction destroy);
gboolean g_dbus_unregister_interface(DBusConnection *connection,
					const char *path, const char *name);

gboolean g_dbus_register_security(const GDBusSecurityTable *security);
gboolean g_dbus_unregister_security(const GDBusSecurityTable *security);

void g_dbus_pending_success(DBusConnection *connection,
					GDBusPendingReply pending);
void g_dbus_pending_error(DBusConnection *connection,
				GDBusPendingReply pending,
				const char *name, const char *format, ...)
					__attribute__((format(printf, 4, 5)));
void g_dbus_pending_error_valist(DBusConnection *connection,
				GDBusPendingReply pending, const char *name,
					const char *format, va_list args);

DBusMessage *g_dbus_create_error(DBusMessage *message, const char *name,
						const char *format, ...)
					__attribute__((format(printf, 3, 4)));
DBusMessage *g_dbus_create_error_valist(DBusMessage *message, const char *name,
					const char *format, va_list args);
DBusMessage *g_dbus_create_reply(DBusMessage *message, int type, ...);
DBusMessage *g_dbus_create_reply_valist(DBusMessage *message,
						int type, va_list args);

gboolean g_dbus_send_message(DBusConnection *connection, DBusMessage *message);
gboolean g_dbus_send_message_with_reply(DBusConnection *connection,
					DBusMessage *message,
					DBusPendingCall **call, int timeout);
gboolean g_dbus_send_error(DBusConnection *connection, DBusMessage *message,
				const char *name, const char *format, ...)
					 __attribute__((format(printf, 4, 5)));
gboolean g_dbus_send_error_valist(DBusConnection *connection,
					DBusMessage *message, const char *name,
					const char *format, va_list args);
gboolean g_dbus_send_reply(DBusConnection *connection,
				DBusMessage *message, int type, ...);
gboolean g_dbus_send_reply_valist(DBusConnection *connection,
				DBusMessage *message, int type, va_list args);

gboolean g_dbus_emit_signal(DBusConnection *connection,
				const char *path, const char *interface,
				const char *name, int type, ...);
gboolean g_dbus_emit_signal_valist(DBusConnection *connection,
				const char *path, const char *interface,
				const char *name, int type, va_list args);

guint g_dbus_add_service_watch(DBusConnection *connection, const char *name,
				GDBusWatchFunction connect,
				GDBusWatchFunction disconnect,
				void *user_data, GDBusDestroyFunction destroy);
guint g_dbus_add_disconnect_watch(DBusConnection *connection, const char *name,
				GDBusWatchFunction function,
				void *user_data, GDBusDestroyFunction destroy);
guint g_dbus_add_signal_watch(DBusConnection *connection,
				const char *sender, const char *path,
				const char *interface, const char *member,
				GDBusSignalFunction function, void *user_data,
				GDBusDestroyFunction destroy);
guint g_dbus_add_properties_watch(DBusConnection *connection,
				const char *sender, const char *path,
				const char *interface,
				GDBusSignalFunction function, void *user_data,
				GDBusDestroyFunction destroy);
gboolean g_dbus_remove_watch(DBusConnection *connection, guint tag);
void g_dbus_remove_all_watches(DBusConnection *connection);

void g_dbus_pending_property_success(GDBusPendingPropertySet id);
void g_dbus_pending_property_error_valist(GDBusPendingReply id,
			const char *name, const char *format, va_list args);
void g_dbus_pending_property_error(GDBusPendingReply id, const char *name,
						const char *format, ...);
void g_dbus_emit_property_changed(DBusConnection *connection,
				const char *path, const char *interface,
				const char *name);
gboolean g_dbus_get_properties(DBusConnection *connection, const char *path,
				const char *interface, DBusMessageIter *iter);

gboolean g_dbus_attach_object_manager(DBusConnection *connection);
gboolean g_dbus_detach_object_manager(DBusConnection *connection);

typedef struct GDBusClient GDBusClient;
typedef struct GDBusProxy GDBusProxy;

GDBusProxy *g_dbus_proxy_new(GDBusClient *client, const char *path,
							const char *interface);

GDBusProxy *g_dbus_proxy_ref(GDBusProxy *proxy);
void g_dbus_proxy_unref(GDBusProxy *proxy);

const char *g_dbus_proxy_get_path(GDBusProxy *proxy);
const char *g_dbus_proxy_get_interface(GDBusProxy *proxy);

gboolean g_dbus_proxy_get_property(GDBusProxy *proxy, const char *name,
							DBusMessageIter *iter);

gboolean g_dbus_proxy_refresh_property(GDBusProxy *proxy, const char *name);

typedef void (* GDBusResultFunction) (const DBusError *error, void *user_data);

gboolean g_dbus_proxy_set_property_basic(GDBusProxy *proxy,
				const char *name, int type, const void *value,
				GDBusResultFunction function, void *user_data,
				GDBusDestroyFunction destroy);

gboolean g_dbus_proxy_set_property_array(GDBusProxy *proxy,
				const char *name, int type, const void *value,
				size_t size, GDBusResultFunction function,
				void *user_data, GDBusDestroyFunction destroy);

typedef void (* GDBusSetupFunction) (DBusMessageIter *iter, void *user_data);
typedef void (* GDBusReturnFunction) (DBusMessage *message, void *user_data);

gboolean g_dbus_proxy_method_call(GDBusProxy *proxy, const char *method,
				GDBusSetupFunction setup,
				GDBusReturnFunction function, void *user_data,
				GDBusDestroyFunction destroy);

typedef void (* GDBusClientFunction) (GDBusClient *client, void *user_data);
typedef void (* GDBusProxyFunction) (GDBusProxy *proxy, void *user_data);
typedef void (* GDBusPropertyFunction) (GDBusProxy *proxy, const char *name,
					DBusMessageIter *iter, void *user_data);

gboolean g_dbus_proxy_set_property_watch(GDBusProxy *proxy,
			GDBusPropertyFunction function, void *user_data);

gboolean g_dbus_proxy_set_removed_watch(GDBusProxy *proxy,
			GDBusProxyFunction destroy, void *user_data);

GDBusClient *g_dbus_client_new(DBusConnection *connection,
					const char *service, const char *path);

GDBusClient *g_dbus_client_ref(GDBusClient *client);
void g_dbus_client_unref(GDBusClient *client);

gboolean g_dbus_client_set_connect_watch(GDBusClient *client,
				GDBusWatchFunction function, void *user_data);
gboolean g_dbus_client_set_disconnect_watch(GDBusClient *client,
				GDBusWatchFunction function, void *user_data);
gboolean g_dbus_client_set_signal_watch(GDBusClient *client,
				GDBusMessageFunction function, void *user_data);
gboolean g_dbus_client_set_ready_watch(GDBusClient *client,
				GDBusClientFunction ready, void *user_data);
gboolean g_dbus_client_set_proxy_handlers(GDBusClient *client,
					GDBusProxyFunction proxy_added,
					GDBusProxyFunction proxy_removed,
					GDBusPropertyFunction property_changed,
					void *user_data);

#ifdef __cplusplus
}
#endif

#endif /* __GDBUS_H */