D-Bus 1.4.20
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00001 /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */ 00002 /* dbus-marshal-header.h Managing marshaling/demarshaling of message headers 00003 * 00004 * Copyright (C) 2005 Red Hat, Inc. 00005 * 00006 * Licensed under the Academic Free License version 2.1 00007 * 00008 * This program is free software; you can redistribute it and/or modify 00009 * it under the terms of the GNU General Public License as published by 00010 * the Free Software Foundation; either version 2 of the License, or 00011 * (at your option) any later version. 00012 * 00013 * This program is distributed in the hope that it will be useful, 00014 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00016 * GNU General Public License for more details. 00017 * 00018 * You should have received a copy of the GNU General Public License 00019 * along with this program; if not, write to the Free Software 00020 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00021 * 00022 */ 00023 00024 #ifndef DBUS_MARSHAL_HEADER_H 00025 #define DBUS_MARSHAL_HEADER_H 00026 00027 #include <dbus/dbus-marshal-basic.h> 00028 #include <dbus/dbus-marshal-validate.h> 00029 00030 typedef struct DBusHeader DBusHeader; 00031 typedef struct DBusHeaderField DBusHeaderField; 00032 00033 #define _DBUS_HEADER_FIELD_VALUE_UNKNOWN -1 00034 #define _DBUS_HEADER_FIELD_VALUE_NONEXISTENT -2 00035 00039 struct DBusHeaderField 00040 { 00041 int value_pos; 00042 }; 00043 00047 struct DBusHeader 00048 { 00049 DBusString data; 00054 DBusHeaderField fields[DBUS_HEADER_FIELD_LAST + 1]; 00058 dbus_uint32_t padding : 3; 00059 dbus_uint32_t byte_order : 8; 00060 }; 00061 00062 dbus_bool_t _dbus_header_init (DBusHeader *header, 00063 int byte_order); 00064 void _dbus_header_free (DBusHeader *header); 00065 void _dbus_header_reinit (DBusHeader *header, 00066 int byte_order); 00067 dbus_bool_t _dbus_header_create (DBusHeader *header, 00068 int type, 00069 const char *destination, 00070 const char *path, 00071 const char *interface, 00072 const char *member, 00073 const char *error_name); 00074 dbus_bool_t _dbus_header_copy (const DBusHeader *header, 00075 DBusHeader *dest); 00076 int _dbus_header_get_message_type (DBusHeader *header); 00077 void _dbus_header_set_serial (DBusHeader *header, 00078 dbus_uint32_t serial); 00079 dbus_uint32_t _dbus_header_get_serial (DBusHeader *header); 00080 void _dbus_header_update_lengths (DBusHeader *header, 00081 int body_len); 00082 dbus_bool_t _dbus_header_set_field_basic (DBusHeader *header, 00083 int field, 00084 int type, 00085 const void *value); 00086 dbus_bool_t _dbus_header_get_field_basic (DBusHeader *header, 00087 int field, 00088 int type, 00089 void *value); 00090 dbus_bool_t _dbus_header_get_field_raw (DBusHeader *header, 00091 int field, 00092 const DBusString **str, 00093 int *pos); 00094 dbus_bool_t _dbus_header_delete_field (DBusHeader *header, 00095 int field); 00096 void _dbus_header_toggle_flag (DBusHeader *header, 00097 dbus_uint32_t flag, 00098 dbus_bool_t value); 00099 dbus_bool_t _dbus_header_get_flag (DBusHeader *header, 00100 dbus_uint32_t flag); 00101 dbus_bool_t _dbus_header_ensure_signature (DBusHeader *header, 00102 DBusString **type_str, 00103 int *type_pos); 00104 dbus_bool_t _dbus_header_have_message_untrusted (int max_message_length, 00105 DBusValidity *validity, 00106 int *byte_order, 00107 int *fields_array_len, 00108 int *header_len, 00109 int *body_len, 00110 const DBusString *str, 00111 int start, 00112 int len); 00113 dbus_bool_t _dbus_header_load (DBusHeader *header, 00114 DBusValidationMode mode, 00115 DBusValidity *validity, 00116 int byte_order, 00117 int fields_array_len, 00118 int header_len, 00119 int body_len, 00120 const DBusString *str, 00121 int start, 00122 int len); 00123 void _dbus_header_byteswap (DBusHeader *header, 00124 int new_order); 00125 00126 00127 00128 #endif /* DBUS_MARSHAL_HEADER_H */