WvStreams
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00001 /* -*- mode: C; c-file-style: "gnu" -*- */ 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00021 * 00022 */ 00023 00024 #ifndef DBUS_MARSHAL_HEADER_H 00025 #define DBUS_MARSHAL_HEADER_H 00026 00027 #include "config.h" 00028 #include <dbus/dbus-marshal-basic.h> 00029 #include <dbus/dbus-marshal-validate.h> 00030 00031 #ifndef PACKAGE 00032 #error "config.h not included here" 00033 #endif 00034 00035 typedef struct DBusHeader DBusHeader; 00036 typedef struct DBusHeaderField DBusHeaderField; 00037 00038 #define _DBUS_HEADER_FIELD_VALUE_UNKNOWN -1 00039 #define _DBUS_HEADER_FIELD_VALUE_NONEXISTENT -2 00040 00044 struct DBusHeaderField 00045 { 00046 int value_pos; 00047 }; 00048 00052 struct DBusHeader 00053 { 00054 DBusString data; 00059 DBusHeaderField fields[DBUS_HEADER_FIELD_LAST + 1]; 00063 dbus_uint32_t padding : 3; 00064 dbus_uint32_t byte_order : 8; 00065 }; 00066 00067 dbus_bool_t _dbus_header_init (DBusHeader *header, 00068 int byte_order); 00069 void _dbus_header_free (DBusHeader *header); 00070 void _dbus_header_reinit (DBusHeader *header, 00071 int byte_order); 00072 dbus_bool_t _dbus_header_create (DBusHeader *header, 00073 int type, 00074 const char *destination, 00075 const char *path, 00076 const char *interface, 00077 const char *member, 00078 const char *error_name); 00079 dbus_bool_t _dbus_header_copy (const DBusHeader *header, 00080 DBusHeader *dest); 00081 int _dbus_header_get_message_type (DBusHeader *header); 00082 void _dbus_header_set_serial (DBusHeader *header, 00083 dbus_uint32_t serial); 00084 dbus_uint32_t _dbus_header_get_serial (DBusHeader *header); 00085 void _dbus_header_update_lengths (DBusHeader *header, 00086 int body_len); 00087 dbus_bool_t _dbus_header_set_field_basic (DBusHeader *header, 00088 int field, 00089 int type, 00090 const void *value); 00091 dbus_bool_t _dbus_header_get_field_basic (DBusHeader *header, 00092 int field, 00093 int type, 00094 void *value); 00095 dbus_bool_t _dbus_header_get_field_raw (DBusHeader *header, 00096 int field, 00097 const DBusString **str, 00098 int *pos); 00099 dbus_bool_t _dbus_header_delete_field (DBusHeader *header, 00100 int field); 00101 void _dbus_header_toggle_flag (DBusHeader *header, 00102 dbus_uint32_t flag, 00103 dbus_bool_t value); 00104 dbus_bool_t _dbus_header_get_flag (DBusHeader *header, 00105 dbus_uint32_t flag); 00106 dbus_bool_t _dbus_header_ensure_signature (DBusHeader *header, 00107 DBusString **type_str, 00108 int *type_pos); 00109 dbus_bool_t _dbus_header_have_message_untrusted (int max_message_length, 00110 DBusValidity *validity, 00111 int *byte_order, 00112 int *fields_array_len, 00113 int *header_len, 00114 int *body_len, 00115 const DBusString *str, 00116 int start, 00117 int len); 00118 dbus_bool_t _dbus_header_load (DBusHeader *header, 00119 DBusValidationMode mode, 00120 DBusValidity *validity, 00121 int byte_order, 00122 int fields_array_len, 00123 int header_len, 00124 int body_len, 00125 const DBusString *str, 00126 int start, 00127 int len); 00128 void _dbus_header_byteswap (DBusHeader *header, 00129 int new_order); 00130 00131 00132 00133 #endif /* DBUS_MARSHAL_HEADER_H */