D-Bus 1.6.12
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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 void _dbus_header_free (DBusHeader *header); 00064 void _dbus_header_reinit (DBusHeader *header); 00065 dbus_bool_t _dbus_header_create (DBusHeader *header, 00066 int byte_order, 00067 int type, 00068 const char *destination, 00069 const char *path, 00070 const char *interface, 00071 const char *member, 00072 const char *error_name); 00073 dbus_bool_t _dbus_header_copy (const DBusHeader *header, 00074 DBusHeader *dest); 00075 int _dbus_header_get_message_type (DBusHeader *header); 00076 void _dbus_header_set_serial (DBusHeader *header, 00077 dbus_uint32_t serial); 00078 dbus_uint32_t _dbus_header_get_serial (DBusHeader *header); 00079 void _dbus_header_update_lengths (DBusHeader *header, 00080 int body_len); 00081 dbus_bool_t _dbus_header_set_field_basic (DBusHeader *header, 00082 int field, 00083 int type, 00084 const void *value); 00085 dbus_bool_t _dbus_header_get_field_basic (DBusHeader *header, 00086 int field, 00087 int type, 00088 void *value); 00089 dbus_bool_t _dbus_header_get_field_raw (DBusHeader *header, 00090 int field, 00091 const DBusString **str, 00092 int *pos); 00093 dbus_bool_t _dbus_header_delete_field (DBusHeader *header, 00094 int field); 00095 void _dbus_header_toggle_flag (DBusHeader *header, 00096 dbus_uint32_t flag, 00097 dbus_bool_t value); 00098 dbus_bool_t _dbus_header_get_flag (DBusHeader *header, 00099 dbus_uint32_t flag); 00100 dbus_bool_t _dbus_header_ensure_signature (DBusHeader *header, 00101 DBusString **type_str, 00102 int *type_pos); 00103 dbus_bool_t _dbus_header_have_message_untrusted (int max_message_length, 00104 DBusValidity *validity, 00105 int *byte_order, 00106 int *fields_array_len, 00107 int *header_len, 00108 int *body_len, 00109 const DBusString *str, 00110 int start, 00111 int len); 00112 dbus_bool_t _dbus_header_load (DBusHeader *header, 00113 DBusValidationMode mode, 00114 DBusValidity *validity, 00115 int byte_order, 00116 int fields_array_len, 00117 int header_len, 00118 int body_len, 00119 const DBusString *str, 00120 int start, 00121 int len); 00122 void _dbus_header_byteswap (DBusHeader *header, 00123 int new_order); 00124 char _dbus_header_get_byte_order (const DBusHeader *header); 00125 00126 00127 00128 #endif /* DBUS_MARSHAL_HEADER_H */