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/* -*- mode: C; c-file-style: "gnu" -*- */
/* dbus-server-protected.h Used by subclasses of DBusServer object (internal to D-BUS implementation)
*
* Copyright (C) 2002 Red Hat Inc.
*
* Licensed under the Academic Free License version 2.1
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef DBUS_SERVER_PROTECTED_H
#define DBUS_SERVER_PROTECTED_H
#include <config.h>
#include <dbus/dbus-internals.h>
#include <dbus/dbus-threads-internal.h>
#include <dbus/dbus-server.h>
#include <dbus/dbus-timeout.h>
#include <dbus/dbus-watch.h>
#include <dbus/dbus-resources.h>
#include <dbus/dbus-dataslot.h>
#include <dbus/dbus-string.h>
DBUS_BEGIN_DECLS
typedef struct DBusServerVTable DBusServerVTable;
typedef union DBusGUID DBusGUID;
/**
* A server's globally unique ID
*/
union DBusGUID
{
dbus_uint32_t as_uint32s[4];
unsigned char as_bytes[16];
};
/**
* Virtual table to be implemented by all server "subclasses"
*/
struct DBusServerVTable
{
void (* finalize) (DBusServer *server);
/**< The finalize method must free the server. */
void (* disconnect) (DBusServer *server);
/**< Disconnect this server. */
};
/**
* Internals of DBusServer object
*/
struct DBusServer
{
DBusAtomic refcount; /**< Reference count. */
const DBusServerVTable *vtable; /**< Virtual methods for this instance. */
DBusMutex *mutex; /**< Lock on the server object */
DBusGUID guid; /**< Globally unique ID of server */
DBusString guid_hex; /**< Hex-encoded version of GUID */
DBusWatchList *watches; /**< Our watches */
DBusTimeoutList *timeouts; /**< Our timeouts */
char *address; /**< Address this server is listening on. */
int max_connections; /**< Max number of connections allowed at once. */
DBusDataSlotList slot_list; /**< Data stored by allocated integer ID */
DBusNewConnectionFunction new_connection_function;
/**< Callback to invoke when a new connection is created. */
void *new_connection_data;
/**< Data for new connection callback */
DBusFreeFunction new_connection_free_data_function;
/**< Callback to invoke to free new_connection_data
* when server is finalized or data is replaced.
*/
char **auth_mechanisms; /**< Array of allowed authentication mechanisms */
unsigned int disconnected : 1; /**< TRUE if we are disconnected. */
#ifndef DBUS_DISABLE_CHECKS
unsigned int have_server_lock : 1; /**< Does someone have the server mutex locked */
#endif
};
dbus_bool_t _dbus_server_init_base (DBusServer *server,
const DBusServerVTable *vtable,
const DBusString *address);
void _dbus_server_finalize_base (DBusServer *server);
dbus_bool_t _dbus_server_add_watch (DBusServer *server,
DBusWatch *watch);
void _dbus_server_remove_watch (DBusServer *server,
DBusWatch *watch);
void _dbus_server_toggle_watch (DBusServer *server,
DBusWatch *watch,
dbus_bool_t enabled);
dbus_bool_t _dbus_server_add_timeout (DBusServer *server,
DBusTimeout *timeout);
void _dbus_server_remove_timeout (DBusServer *server,
DBusTimeout *timeout);
void _dbus_server_toggle_timeout (DBusServer *server,
DBusTimeout *timeout,
dbus_bool_t enabled);
void _dbus_server_ref_unlocked (DBusServer *server);
void _dbus_server_unref_unlocked (DBusServer *server);
#ifdef DBUS_DISABLE_CHECKS
#define TOOK_LOCK_CHECK(server)
#define RELEASING_LOCK_CHECK(server)
#define HAVE_LOCK_CHECK(server)
#else
#define TOOK_LOCK_CHECK(server) do { \
_dbus_assert (!(server)->have_server_lock); \
(server)->have_server_lock = TRUE; \
} while (0)
#define RELEASING_LOCK_CHECK(server) do { \
_dbus_assert ((server)->have_server_lock); \
(server)->have_server_lock = FALSE; \
} while (0)
#define HAVE_LOCK_CHECK(server) _dbus_assert ((server)->have_server_lock)
/* A "DO_NOT_HAVE_LOCK_CHECK" is impossible since we need the lock to check the flag */
#endif
#define TRACE_LOCKS 0
#define SERVER_LOCK(server) do { \
if (TRACE_LOCKS) { _dbus_verbose (" LOCK: %s\n", _DBUS_FUNCTION_NAME); } \
_dbus_mutex_lock ((server)->mutex); \
TOOK_LOCK_CHECK (server); \
} while (0)
#define SERVER_UNLOCK(server) do { \
if (TRACE_LOCKS) { _dbus_verbose (" UNLOCK: %s\n", _DBUS_FUNCTION_NAME); } \
RELEASING_LOCK_CHECK (server); \
_dbus_mutex_unlock ((server)->mutex); \
} while (0)
DBUS_END_DECLS
#endif /* DBUS_SERVER_PROTECTED_H */
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