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1 /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
2 /* signals.h  Bus signal connection implementation
3  *
4  * Copyright (C) 2003  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_SIGNALS_H
25 #define BUS_SIGNALS_H
26 
27 #include <dbus/dbus.h>
28 #include <dbus/dbus-string.h>
29 #include <dbus/dbus-sysdeps.h>
30 #include "connection.h"
31 
32 typedef enum
33 {
34   BUS_MATCH_MESSAGE_TYPE            = 1 << 0,
35   BUS_MATCH_INTERFACE               = 1 << 1,
36   BUS_MATCH_MEMBER                  = 1 << 2,
37   BUS_MATCH_SENDER                  = 1 << 3,
38   BUS_MATCH_DESTINATION             = 1 << 4,
39   BUS_MATCH_PATH                    = 1 << 5,
40   BUS_MATCH_ARGS                    = 1 << 6,
41   BUS_MATCH_PATH_NAMESPACE          = 1 << 7,
42   BUS_MATCH_CLIENT_IS_EAVESDROPPING = 1 << 8
43 } BusMatchFlags;
44 
45 BusMatchRule* bus_match_rule_new   (DBusConnection *matches_go_to);
46 BusMatchRule* bus_match_rule_ref   (BusMatchRule   *rule);
47 void          bus_match_rule_unref (BusMatchRule   *rule);
48 
49 dbus_bool_t bus_match_rule_set_message_type (BusMatchRule     *rule,
50                                              int               type);
51 dbus_bool_t bus_match_rule_set_interface    (BusMatchRule     *rule,
52                                              const char       *interface);
53 dbus_bool_t bus_match_rule_set_member       (BusMatchRule     *rule,
54                                              const char       *member);
55 dbus_bool_t bus_match_rule_set_sender       (BusMatchRule     *rule,
56                                              const char       *sender);
57 dbus_bool_t bus_match_rule_set_destination  (BusMatchRule     *rule,
58                                              const char       *destination);
59 dbus_bool_t bus_match_rule_set_path         (BusMatchRule     *rule,
60                                              const char       *path,
61                                              dbus_bool_t       is_namespace);
62 dbus_bool_t bus_match_rule_set_arg          (BusMatchRule     *rule,
63                                              int               arg,
64                                              const DBusString *value,
65                                              dbus_bool_t       is_path,
66                                              dbus_bool_t       is_namespace);
67 
68 /* Calling this methods a client declares that it is creating a rule which
69  * needs to eavesdrop (e.g., dbus-monitor), any other created rules not
70  * setting themselves as eavesdropping won't receive any message not addressed
71  * to them, when eavedrop is enabled in the policy.  On the other hand, when
72  * eavedrop is not enabled in policy, this method won't have any effect */
73 void bus_match_rule_set_client_is_eavesdropping (BusMatchRule     *rule,
74                                                  dbus_bool_t is_eavesdropping);
75 
76 BusMatchRule* bus_match_rule_parse (DBusConnection   *matches_go_to,
77                                     const DBusString *rule_text,
78                                     DBusError        *error);
79 
80 BusMatchmaker* bus_matchmaker_new   (void);
81 BusMatchmaker* bus_matchmaker_ref   (BusMatchmaker *matchmaker);
82 void           bus_matchmaker_unref (BusMatchmaker *matchmaker);
83 
84 dbus_bool_t bus_matchmaker_add_rule             (BusMatchmaker   *matchmaker,
85                                                  BusMatchRule    *rule);
86 dbus_bool_t bus_matchmaker_remove_rule_by_value (BusMatchmaker   *matchmaker,
87                                                  BusMatchRule    *value,
88                                                  DBusError       *error);
89 void        bus_matchmaker_remove_rule          (BusMatchmaker   *matchmaker,
90                                                  BusMatchRule    *rule);
91 void        bus_matchmaker_disconnected         (BusMatchmaker   *matchmaker,
92                                                  DBusConnection  *connection);
93 dbus_bool_t bus_matchmaker_get_recipients       (BusMatchmaker   *matchmaker,
94                                                  BusConnections  *connections,
95                                                  DBusConnection  *sender,
96                                                  DBusConnection  *addressed_recipient,
97                                                  DBusMessage     *message,
98                                                  DBusList       **recipients_p);
99 
100 #endif /* BUS_SIGNALS_H */
101