bus/connection.h

   1 /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
   2 /* connection.h  Client connections
   3  *
   4  * Copyright (C) 2003, 2004  Red Hat, Inc.
   5  *
   6  * Licensed under the Academic Free License version 2.1
   7  *
   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.
  12  *
  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.
  17  *
  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
  21  *
  22  */
  23
  24 #ifndef BUS_CONNECTION_H
  25 #define BUS_CONNECTION_H
  26
  27 #include <dbus/dbus.h>
  28 #include <dbus/dbus-list.h>
  29 #include "bus.h"
  30
  31 typedef dbus_bool_t (* BusConnectionForeachFunction) (DBusConnection *connection,
  32                                                       void           *data);
  33
  34 DBusLoop*       bus_connection_get_loop           (DBusConnection *connection);
  35
  36 BusConnections* bus_connections_new               (BusContext                   *context);
  37 BusConnections* bus_connections_ref               (BusConnections               *connections);
  38 void            bus_connections_unref             (BusConnections               *connections);
  39 dbus_bool_t     bus_connections_setup_connection  (BusConnections               *connections,
  40                                                    DBusConnection               *connection);
  41 void            bus_connections_foreach           (BusConnections               *connections,
  42                                                    BusConnectionForeachFunction  function,
  43                                                    void                         *data);
  44 void            bus_connections_foreach_active    (BusConnections               *connections,
  45                                                    BusConnectionForeachFunction  function,
  46                                                    void                         *data);
  47 BusContext*     bus_connections_get_context       (BusConnections               *connections);
  48 void            bus_connections_increment_stamp   (BusConnections               *connections);
  49 dbus_bool_t     bus_connections_reload_policy     (BusConnections               *connections,
  50                                                    DBusError                    *error);
  51 BusContext*     bus_connection_get_context        (DBusConnection               *connection);
  52 BusConnections* bus_connection_get_connections    (DBusConnection               *connection);
  53 BusRegistry*    bus_connection_get_registry       (DBusConnection               *connection);
  54 BusActivation*  bus_connection_get_activation     (DBusConnection               *connection);
  55 BusMatchmaker*  bus_connection_get_matchmaker     (DBusConnection               *connection);
  56 const char *    bus_connection_get_loginfo        (DBusConnection        *connection);
  57 BusSELinuxID*   bus_connection_get_selinux_id     (DBusConnection               *connection);
  58 BusAppArmorConfinement* bus_connection_dup_apparmor_confinement (DBusConnection *connection);
  59 dbus_bool_t     bus_connections_check_limits      (BusConnections               *connections,
  60                                                    DBusConnection               *requesting_completion,
  61                                                    const char                  **limit_name_out,
  62                                                    int                          *limit_out,
  63                                                    DBusError                    *error);
  64 void            bus_connections_expire_incomplete (BusConnections               *connections);
  65
  66 dbus_bool_t     bus_connections_expect_reply      (BusConnections               *connections,
  67                                                    BusTransaction               *transaction,
  68                                                    DBusConnection               *will_get_reply,
  69                                                    DBusConnection               *will_send_reply,
  70                                                    DBusMessage                  *reply_to_this,
  71                                                    DBusError                    *error);
  72 dbus_bool_t     bus_connections_check_reply       (BusConnections               *connections,
  73                                                    BusTransaction               *transaction,
  74                                                    DBusConnection               *sending_reply,
  75                                                    DBusConnection               *receiving_reply,
  76                                                    DBusMessage                  *reply,
  77                                                    DBusError                    *error);
  78
  79 dbus_bool_t     bus_connection_mark_stamp         (DBusConnection               *connection);
  80
  81 dbus_bool_t bus_connection_is_active (DBusConnection *connection);
  82 const char *bus_connection_get_name  (DBusConnection *connection);
  83
  84 dbus_bool_t bus_connection_preallocate_oom_error (DBusConnection *connection);
  85 void        bus_connection_send_oom_error        (DBusConnection *connection,
  86                                                   DBusMessage    *in_reply_to);
  87
  88 dbus_bool_t         bus_connection_has_deferred_messages    (DBusConnection *connection);
  89 dbus_bool_t         bus_connection_queue_deferred_message   (DBusConnection *connection,
  90                                                              BusDeferredMessage *message,
  91                                                              dbus_bool_t prepend);
  92 BusDeferredMessage *bus_connection_pop_deferred_message     (DBusConnection *connection);
  93 dbus_bool_t         bus_connection_putback_deferred_message (DBusConnection *connection,
  94                                                              BusDeferredMessage *message);
  95 void                bus_connection_remove_deferred_message  (DBusConnection *connection,
  96                                                              BusDeferredMessage *message);
  97 void                bus_connection_dispatch_deferred        (DBusConnection *connection);
  98 void                bus_connection_clear_deferred_messages  (DBusConnection *connection);
  99
 100 /* called by policy.c */
 101 dbus_bool_t bus_connection_is_service_owner_by_prefix (DBusConnection *connection,
 102                                                        const char *name_prefix);
 103 const DBusList *bus_connection_get_owned_services_list (DBusConnection *connection);
 104
 105 /* called by signals.c */
 106 dbus_bool_t bus_connection_add_match_rule      (DBusConnection *connection,
 107                                                 BusMatchRule   *rule);
 108 void        bus_connection_add_match_rule_link (DBusConnection *connection,
 109                                                 DBusList       *link);
 110 void        bus_connection_remove_match_rule   (DBusConnection *connection,
 111                                                 BusMatchRule   *rule);
 112 int         bus_connection_get_n_match_rules   (DBusConnection *connection);
 113
 114
 115 /* called by services.c */
 116 dbus_bool_t bus_connection_add_owned_service      (DBusConnection *connection,
 117                                                    BusService     *service);
 118 void        bus_connection_remove_owned_service   (DBusConnection *connection,
 119                                                    BusService     *service);
 120 void        bus_connection_add_owned_service_link (DBusConnection *connection,
 121                                                    DBusList       *link);
 122 int         bus_connection_get_n_services_owned   (DBusConnection *connection);
 123
 124 /* called by driver.c */
 125 dbus_bool_t bus_connection_complete (DBusConnection               *connection,
 126                                      const DBusString             *name,
 127                                      DBusError                    *error);
 128
 129 /* called by dispatch.c when the connection is dropped */
 130 void        bus_connection_disconnected (DBusConnection *connection);
 131
 132 dbus_bool_t      bus_connection_is_in_unix_group (DBusConnection       *connection,
 133                                                   unsigned long         gid);
 134 dbus_bool_t      bus_connection_get_unix_groups  (DBusConnection       *connection,
 135                                                   unsigned long       **groups,
 136                                                   int                  *n_groups,
 137                                                   DBusError            *error);
 138 BusClientPolicy* bus_connection_get_policy  (DBusConnection       *connection);
 139
 140 dbus_bool_t bus_connection_is_monitor (DBusConnection  *connection);
 141 dbus_bool_t bus_connection_be_monitor (DBusConnection  *connection,
 142                                        BusTransaction  *transaction,
 143                                        DBusList       **rules,
 144                                        DBusError       *error);
 145 #ifdef DBUS_ENABLE_CYNARA
 146 const char *bus_connection_get_cynara_session_id (DBusConnection *connection);
 147 #endif
 148
 149 /* transaction API so we can send or not send a block of messages as a whole */
 150
 151 typedef void (* BusTransactionCancelFunction) (void *data);
 152
 153 BusTransaction* bus_transaction_new              (BusContext                   *context);
 154 BusContext*     bus_transaction_get_context      (BusTransaction               *transaction);
 155 dbus_bool_t     bus_transaction_send             (BusTransaction               *transaction,
 156                                                   DBusConnection               *connection,
 157                                                   DBusMessage                  *message,
 158                                                   dbus_bool_t                   deferred_dispatch);
 159 dbus_bool_t     bus_transaction_capture          (BusTransaction               *transaction,
 160                                                   DBusConnection               *connection,
 161                                                   DBusConnection               *addressed_recipient,
 162                                                   DBusMessage                  *message);
 163 dbus_bool_t     bus_transaction_capture_error_reply (BusTransaction            *transaction,
 164                                                   DBusConnection               *addressed_recipient,
 165                                                   const DBusError              *error,
 166                                                   DBusMessage                  *in_reply_to);
 167 dbus_bool_t     bus_transaction_send_from_driver (BusTransaction               *transaction,
 168                                                   DBusConnection               *connection,
 169                                                   DBusMessage                  *message);
 170 dbus_bool_t     bus_transaction_send_error_reply (BusTransaction               *transaction,
 171                                                   DBusConnection               *connection,
 172                                                   const DBusError              *error,
 173                                                   DBusMessage                  *in_reply_to);
 174 void            bus_transaction_cancel_and_free  (BusTransaction               *transaction);
 175 void            bus_transaction_execute_and_free (BusTransaction               *transaction);
 176 DBusList *      bus_transaction_copy_connections (BusTransaction               *transaction);
 177 dbus_bool_t     bus_transaction_add_cancel_hook  (BusTransaction               *transaction,
 178                                                   BusTransactionCancelFunction  cancel_function,
 179                                                   void                         *data,
 180                                                   DBusFreeFunction              free_data_function);
 181
 182 int bus_connections_get_n_active                  (BusConnections *connections);
 183 int bus_connections_get_n_incomplete              (BusConnections *connections);
 184
 185 /* called by stats.c, only present if DBUS_ENABLE_STATS */
 186 int bus_connections_get_total_match_rules         (BusConnections *connections);
 187 int bus_connections_get_peak_match_rules          (BusConnections *connections);
 188 int bus_connections_get_peak_match_rules_per_conn (BusConnections *connections);
 189 int bus_connections_get_total_bus_names           (BusConnections *connections);
 190 int bus_connections_get_peak_bus_names            (BusConnections *connections);
 191 int bus_connections_get_peak_bus_names_per_conn   (BusConnections *connections);
 192
 193 int bus_connection_get_peak_match_rules           (DBusConnection *connection);
 194 int bus_connection_get_peak_bus_names             (DBusConnection *connection);
 195
 196 int bus_connection_get_n_pending_replies          (DBusConnection *connection);
 197 int bus_connection_get_peak_pending_replies      (DBusConnection *connection);
 198
 199 #endif /* BUS_CONNECTION_H */