1 /* -*- mode: C; c-file-style: "gnu" -*- */
2 /* dbus-server-protected.h Used by subclasses of DBusServer object (internal to D-BUS implementation)
4 * Copyright (C) 2002 Red Hat Inc.
6 * Licensed under the Academic Free License version 2.1
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 #ifndef DBUS_SERVER_PROTECTED_H
24 #define DBUS_SERVER_PROTECTED_H
27 #include <dbus/dbus-internals.h>
28 #include <dbus/dbus-threads-internal.h>
29 #include <dbus/dbus-server.h>
30 #include <dbus/dbus-timeout.h>
31 #include <dbus/dbus-watch.h>
32 #include <dbus/dbus-resources.h>
33 #include <dbus/dbus-dataslot.h>
37 typedef struct DBusServerVTable DBusServerVTable;
38 typedef union DBusGUID DBusGUID;
41 * A server's globally unique ID
45 dbus_uint32_t as_uint32s[4];
46 unsigned char as_bytes[16];
50 * Virtual table to be implemented by all server "subclasses"
52 struct DBusServerVTable
54 void (* finalize) (DBusServer *server);
55 /**< The finalize method must free the server. */
57 void (* disconnect) (DBusServer *server);
58 /**< Disconnect this server. */
62 * Internals of DBusServer object
66 DBusAtomic refcount; /**< Reference count. */
67 const DBusServerVTable *vtable; /**< Virtual methods for this instance. */
68 DBusMutex *mutex; /**< Lock on the server object */
70 DBusGUID guid; /**< Globally unique ID of server */
72 DBusWatchList *watches; /**< Our watches */
73 DBusTimeoutList *timeouts; /**< Our timeouts */
75 char *address; /**< Address this server is listening on. */
77 int max_connections; /**< Max number of connections allowed at once. */
79 DBusDataSlotList slot_list; /**< Data stored by allocated integer ID */
81 DBusNewConnectionFunction new_connection_function;
82 /**< Callback to invoke when a new connection is created. */
83 void *new_connection_data;
84 /**< Data for new connection callback */
85 DBusFreeFunction new_connection_free_data_function;
86 /**< Callback to invoke to free new_connection_data
87 * when server is finalized or data is replaced.
90 char **auth_mechanisms; /**< Array of allowed authentication mechanisms */
92 unsigned int disconnected : 1; /**< TRUE if we are disconnected. */
94 #ifndef DBUS_DISABLE_CHECKS
95 unsigned int have_server_lock : 1; /**< Does someone have the server mutex locked */
99 dbus_bool_t _dbus_server_init_base (DBusServer *server,
100 const DBusServerVTable *vtable,
101 const DBusString *address);
102 void _dbus_server_finalize_base (DBusServer *server);
103 dbus_bool_t _dbus_server_add_watch (DBusServer *server,
105 void _dbus_server_remove_watch (DBusServer *server,
107 void _dbus_server_toggle_watch (DBusServer *server,
109 dbus_bool_t enabled);
110 dbus_bool_t _dbus_server_add_timeout (DBusServer *server,
111 DBusTimeout *timeout);
112 void _dbus_server_remove_timeout (DBusServer *server,
113 DBusTimeout *timeout);
114 void _dbus_server_toggle_timeout (DBusServer *server,
115 DBusTimeout *timeout,
116 dbus_bool_t enabled);
118 void _dbus_server_ref_unlocked (DBusServer *server);
119 void _dbus_server_unref_unlocked (DBusServer *server);
121 #ifdef DBUS_DISABLE_CHECKS
122 #define TOOK_LOCK_CHECK(server)
123 #define RELEASING_LOCK_CHECK(server)
124 #define HAVE_LOCK_CHECK(server)
126 #define TOOK_LOCK_CHECK(server) do { \
127 _dbus_assert (!(server)->have_server_lock); \
128 (server)->have_server_lock = TRUE; \
130 #define RELEASING_LOCK_CHECK(server) do { \
131 _dbus_assert ((server)->have_server_lock); \
132 (server)->have_server_lock = FALSE; \
134 #define HAVE_LOCK_CHECK(server) _dbus_assert ((server)->have_server_lock)
135 /* A "DO_NOT_HAVE_LOCK_CHECK" is impossible since we need the lock to check the flag */
138 #define TRACE_LOCKS 0
140 #define SERVER_LOCK(server) do { \
141 if (TRACE_LOCKS) { _dbus_verbose (" LOCK: %s\n", _DBUS_FUNCTION_NAME); } \
142 _dbus_mutex_lock ((server)->mutex); \
143 TOOK_LOCK_CHECK (server); \
146 #define SERVER_UNLOCK(server) do { \
147 if (TRACE_LOCKS) { _dbus_verbose (" UNLOCK: %s\n", _DBUS_FUNCTION_NAME); } \
148 RELEASING_LOCK_CHECK (server); \
149 _dbus_mutex_unlock ((server)->mutex); \
154 #endif /* DBUS_SERVER_PROTECTED_H */