summaryrefslogtreecommitdiffstats
path: root/dbus/dbus-connection-internal.h
blob: 6800fefec6771e74ed30585b195ee343c3701115 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
/* -*- mode: C; c-file-style: "gnu" -*- */
/* dbus-connection-internal.h DBusConnection internal interfaces
 *
 * 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_CONNECTION_INTERNAL_H
#define DBUS_CONNECTION_INTERNAL_H

#include <dbus/dbus-internals.h>
#include <dbus/dbus-connection.h>
#include <dbus/dbus-message.h>
#include <dbus/dbus-transport.h>
#include <dbus/dbus-resources.h>
#include <dbus/dbus-list.h>
#include <dbus/dbus-timeout.h>
#include <dbus/dbus-dataslot.h>

DBUS_BEGIN_DECLS

typedef enum
{
  DBUS_ITERATION_DO_WRITING = 1 << 0, /**< Write messages out. */
  DBUS_ITERATION_DO_READING = 1 << 1, /**< Read messages in. */
  DBUS_ITERATION_BLOCK      = 1 << 2  /**< Block if nothing to do. */
} DBusIterationFlags;

/** default timeout value when waiting for a message reply, 25 seconds */
#define _DBUS_DEFAULT_TIMEOUT_VALUE (25 * 1000)

void              _dbus_connection_lock                        (DBusConnection     *connection);
void              _dbus_connection_unlock                      (DBusConnection     *connection);
DBusConnection *  _dbus_connection_ref_unlocked                (DBusConnection     *connection);
void              _dbus_connection_unref_unlocked              (DBusConnection     *connection);
dbus_bool_t       _dbus_connection_queue_received_message      (DBusConnection     *connection,
                                                                DBusMessage        *message);
void              _dbus_connection_queue_received_message_link (DBusConnection     *connection,
                                                                DBusList           *link);
dbus_bool_t       _dbus_connection_has_messages_to_send_unlocked (DBusConnection     *connection);
DBusMessage*      _dbus_connection_get_message_to_send         (DBusConnection     *connection);
void              _dbus_connection_message_sent                (DBusConnection     *connection,
                                                                DBusMessage        *message);
dbus_bool_t       _dbus_connection_add_watch                   (DBusConnection     *connection,
                                                                DBusWatch          *watch);
void              _dbus_connection_remove_watch                (DBusConnection     *connection,
                                                                DBusWatch          *watch);
void              _dbus_connection_toggle_watch                (DBusConnection     *connection,
                                                                DBusWatch          *watch,
                                                                dbus_bool_t         enabled);
dbus_bool_t       _dbus_connection_handle_watch                (DBusWatch          *watch,
                                                                unsigned int        condition,
                                                                void               *data);
dbus_bool_t       _dbus_connection_add_timeout                 (DBusConnection     *connection,
                                                                DBusTimeout        *timeout);
void              _dbus_connection_remove_timeout              (DBusConnection     *connection,
                                                                DBusTimeout        *timeout);
void              _dbus_connection_toggle_timeout              (DBusConnection     *connection,
                                                                DBusTimeout        *timeout,
                                                                dbus_bool_t         enabled);
DBusConnection*   _dbus_connection_new_for_transport           (DBusTransport      *transport);
void              _dbus_connection_do_iteration                (DBusConnection     *connection,
                                                                unsigned int        flags,
                                                                int                 timeout_milliseconds);

DBusPendingCall*  _dbus_pending_call_new                       (DBusConnection     *connection,
                                                                int                 timeout_milliseconds,
                                                                DBusTimeoutHandler  timeout_handler);
void              _dbus_pending_call_notify                    (DBusPendingCall    *pending);
void              _dbus_connection_remove_pending_call         (DBusConnection     *connection,
                                                                DBusPendingCall    *pending);
DBusMessage*      _dbus_connection_block_for_reply             (DBusConnection     *connection,
                                                                dbus_uint32_t       client_serial,
                                                                int                 timeout_milliseconds);
void              _dbus_pending_call_complete_and_unlock       (DBusPendingCall    *pending,
                                                                DBusMessage        *message);
dbus_bool_t       _dbus_connection_send_unlocked               (DBusConnection     *connection,
                                                                DBusMessage        *message,
                                                                dbus_uint32_t      *client_serial);

/**
 * @addtogroup DBusPendingCallInternals DBusPendingCall implementation details
 * @{
 */
/**
 * @brief Internals of DBusPendingCall
 *
 * Object representing a reply message that we're waiting for.
 */
struct DBusPendingCall
{
  DBusAtomic refcount;                            /**< reference count */

  DBusDataSlotList slot_list;                     /**< Data stored by allocated integer ID */
  
  DBusPendingCallNotifyFunction function;         /**< Notifier when reply arrives. */

  DBusConnection *connection;                     /**< Connections we're associated with */
  DBusMessage *reply;                             /**< Reply (after we've received it) */
  DBusTimeout *timeout;                           /**< Timeout */

  DBusList *timeout_link;                         /**< Preallocated timeout response */
  
  dbus_uint32_t reply_serial;                     /**< Expected serial of reply */

  unsigned int completed : 1;                     /**< TRUE if completed */
  unsigned int timeout_added : 1;                 /**< Have added the timeout */
};

/** @} End of DBusPendingCallInternals */


DBUS_END_DECLS

#endif /* DBUS_CONNECTION_INTERNAL_H */