1 /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 #ifndef DBUS_SERVER_PROTECTED_H
24 #define DBUS_SERVER_PROTECTED_H
26 #include <dbus/dbus-internals.h>
27 #include <dbus/dbus-threads-internal.h>
28 #include <dbus/dbus-server.h>
29 #include <dbus/dbus-address.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>
34 #include <dbus/dbus-string.h>
38 typedef struct DBusServerVTable DBusServerVTable;
41 * Virtual table to be implemented by all server "subclasses"
43 struct DBusServerVTable
45 void (* finalize) (DBusServer *server);
46 /**< The finalize method must free the server. */
48 void (* disconnect) (DBusServer *server);
49 /**< Disconnect this server. */
53 * @ingroup DBusServerInternals
54 * Internals of DBusServer object
58 DBusAtomic refcount; /**< Reference count. */
59 const DBusServerVTable *vtable; /**< Virtual methods for this instance. */
60 DBusRMutex *mutex; /**< Lock on the server object */
62 DBusGUID guid; /**< Globally unique ID of server */
64 DBusString guid_hex; /**< Hex-encoded version of GUID */
66 DBusWatchList *watches; /**< Our watches */
67 DBusTimeoutList *timeouts; /**< Our timeouts */
69 char *address; /**< Address this server is listening on. */
70 dbus_bool_t published_address; /**< flag which indicates that server has published its bus address. */
72 int max_connections; /**< Max number of connections allowed at once. */
74 DBusDataSlotList slot_list; /**< Data stored by allocated integer ID */
76 DBusNewConnectionFunction new_connection_function;
77 /**< Callback to invoke when a new connection is created. */
78 void *new_connection_data;
79 /**< Data for new connection callback */
80 DBusFreeFunction new_connection_free_data_function;
81 /**< Callback to invoke to free new_connection_data
82 * when server is finalized or data is replaced.
85 char **auth_mechanisms; /**< Array of allowed authentication mechanisms */
87 unsigned int disconnected : 1; /**< TRUE if we are disconnected. */
89 #ifndef DBUS_DISABLE_CHECKS
90 unsigned int have_server_lock : 1; /**< Does someone have the server mutex locked */
94 dbus_bool_t _dbus_server_init_base (DBusServer *server,
95 const DBusServerVTable *vtable,
96 const DBusString *address,
98 void _dbus_server_finalize_base (DBusServer *server);
99 void _dbus_server_disconnect_unlocked (DBusServer *server);
100 dbus_bool_t _dbus_server_add_watch (DBusServer *server,
102 void _dbus_server_remove_watch (DBusServer *server,
105 void _dbus_server_toggle_all_watches (DBusServer *server,
106 dbus_bool_t enabled);
107 dbus_bool_t _dbus_server_add_timeout (DBusServer *server,
108 DBusTimeout *timeout);
109 void _dbus_server_remove_timeout (DBusServer *server,
110 DBusTimeout *timeout);
111 void _dbus_server_toggle_timeout (DBusServer *server,
112 DBusTimeout *timeout,
113 dbus_bool_t enabled);
116 void _dbus_server_ref_unlocked (DBusServer *server);
118 void _dbus_server_unref_unlocked (DBusServer *server);
122 DBUS_SERVER_LISTEN_NOT_HANDLED, /**< we aren't in charge of this address type */
123 DBUS_SERVER_LISTEN_OK, /**< we set up the listen */
124 DBUS_SERVER_LISTEN_BAD_ADDRESS, /**< malformed address */
125 DBUS_SERVER_LISTEN_DID_NOT_CONNECT, /**< well-formed address but failed to set it up */
126 DBUS_SERVER_LISTEN_ADDRESS_ALREADY_USED /**< address is already used */
127 } DBusServerListenResult;
129 DBusServerListenResult _dbus_server_listen_platform_specific (DBusAddressEntry *entry,
130 DBusServer **server_p,
133 #ifdef DBUS_ENABLE_VERBOSE_MODE
134 void _dbus_server_trace_ref (DBusServer *server,
139 #define _dbus_server_trace_ref(s,o,n,w) \
147 #ifdef DBUS_DISABLE_CHECKS
148 #define TOOK_LOCK_CHECK(server)
149 #define RELEASING_LOCK_CHECK(server)
150 #define HAVE_LOCK_CHECK(server)
152 #define TOOK_LOCK_CHECK(server) do { \
153 _dbus_assert (!(server)->have_server_lock); \
154 (server)->have_server_lock = TRUE; \
156 #define RELEASING_LOCK_CHECK(server) do { \
157 _dbus_assert ((server)->have_server_lock); \
158 (server)->have_server_lock = FALSE; \
160 #define HAVE_LOCK_CHECK(server) _dbus_assert ((server)->have_server_lock)
161 /* A "DO_NOT_HAVE_LOCK_CHECK" is impossible since we need the lock to check the flag */
164 #define TRACE_LOCKS 0
166 #define SERVER_LOCK(server) do { \
167 if (TRACE_LOCKS) { _dbus_verbose ("LOCK\n"); } \
168 _dbus_rmutex_lock ((server)->mutex); \
169 TOOK_LOCK_CHECK (server); \
172 #define SERVER_UNLOCK(server) do { \
173 if (TRACE_LOCKS) { _dbus_verbose ("UNLOCK\n"); } \
174 RELEASING_LOCK_CHECK (server); \
175 _dbus_rmutex_unlock ((server)->mutex); \
180 #endif /* DBUS_SERVER_PROTECTED_H */