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
131
132
133
|
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/* dbus-marshal-header.h Managing marshaling/demarshaling of message headers
*
* Copyright (C) 2005 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_MARSHAL_HEADER_H
#define DBUS_MARSHAL_HEADER_H
#include <config.h>
#include <dbus/dbus-marshal-basic.h>
#include <dbus/dbus-marshal-validate.h>
#ifndef PACKAGE
#error "config.h not included here"
#endif
typedef struct DBusHeader DBusHeader;
typedef struct DBusHeaderField DBusHeaderField;
#define _DBUS_HEADER_FIELD_VALUE_UNKNOWN -1
#define _DBUS_HEADER_FIELD_VALUE_NONEXISTENT -2
/**
* Cached information about a header field in the message
*/
struct DBusHeaderField
{
int value_pos; /**< Position of field value, or -1/-2 */
};
/**
* Message header data and some cached details of it.
*/
struct DBusHeader
{
DBusString data; /**< Header network data, stored
* separately from body so we can
* independently realloc it.
*/
DBusHeaderField fields[DBUS_HEADER_FIELD_LAST + 1]; /**< Track the location
* of each field in header
*/
dbus_uint32_t padding : 3; /**< bytes of alignment in header */
dbus_uint32_t byte_order : 8; /**< byte order of header */
};
dbus_bool_t _dbus_header_init (DBusHeader *header,
int byte_order);
void _dbus_header_free (DBusHeader *header);
void _dbus_header_reinit (DBusHeader *header,
int byte_order);
dbus_bool_t _dbus_header_create (DBusHeader *header,
int type,
const char *destination,
const char *path,
const char *interface,
const char *member,
const char *error_name);
dbus_bool_t _dbus_header_copy (const DBusHeader *header,
DBusHeader *dest);
int _dbus_header_get_message_type (DBusHeader *header);
void _dbus_header_set_serial (DBusHeader *header,
dbus_uint32_t serial);
dbus_uint32_t _dbus_header_get_serial (DBusHeader *header);
void _dbus_header_update_lengths (DBusHeader *header,
int body_len);
dbus_bool_t _dbus_header_set_field_basic (DBusHeader *header,
int field,
int type,
const void *value);
dbus_bool_t _dbus_header_get_field_basic (DBusHeader *header,
int field,
int type,
void *value);
dbus_bool_t _dbus_header_get_field_raw (DBusHeader *header,
int field,
const DBusString **str,
int *pos);
dbus_bool_t _dbus_header_delete_field (DBusHeader *header,
int field);
void _dbus_header_toggle_flag (DBusHeader *header,
dbus_uint32_t flag,
dbus_bool_t value);
dbus_bool_t _dbus_header_get_flag (DBusHeader *header,
dbus_uint32_t flag);
dbus_bool_t _dbus_header_ensure_signature (DBusHeader *header,
DBusString **type_str,
int *type_pos);
dbus_bool_t _dbus_header_have_message_untrusted (int max_message_length,
DBusValidity *validity,
int *byte_order,
int *fields_array_len,
int *header_len,
int *body_len,
const DBusString *str,
int start,
int len);
dbus_bool_t _dbus_header_load (DBusHeader *header,
DBusValidationMode mode,
DBusValidity *validity,
int byte_order,
int fields_array_len,
int header_len,
int body_len,
const DBusString *str,
int start,
int len);
void _dbus_header_byteswap (DBusHeader *header,
int new_order);
#endif /* DBUS_MARSHAL_HEADER_H */
|
