2 * $Id: cdr.h,v 0.0.0.1 2004/11/26
4 * -------------------------------------------------------------------
6 * Open Real-Time Ethernet
8 * Copyright (C) 2001-2006
9 * Department of Control Engineering FEE CTU Prague, Czech Republic
10 * http://dce.felk.cvut.cz
11 * http://www.ocera.org
13 * Author: Petr Smolik petr@smoliku.cz
15 * Project Responsible: Zdenek Hanzalek
16 * --------------------------------------------------------------------
18 * This program is free software; you can redistribute it and/or modify
19 * it under the terms of the GNU General Public License as published by
20 * the Free Software Foundation; either version 2 of the License, or
21 * (at your option) any later version.
23 * This program is distributed in the hope that it will be useful,
24 * but WITHOUT ANY WARRANTY; without even the implied warranty of
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
26 * GNU General Public License for more details.
28 * Original of source was from ORBit: A CORBA v2.2 ORB
33 #include "basic_types.h"
36 * Alignment of CORBA types mapped to C.
37 * These have *nothing* to do with CDR alignment.
39 #define ORTE_ALIGNOF_CORBA_OCTET 1
40 #define ORTE_ALIGNOF_CORBA_BOOLEAN 1
41 #define ORTE_ALIGNOF_CORBA_CHAR 1
42 #define ORTE_ALIGNOF_CORBA_WCHAR 2
43 #define ORTE_ALIGNOF_CORBA_SHORT 2
44 #define ORTE_ALIGNOF_CORBA_LONG 4
45 #define ORTE_ALIGNOF_CORBA_LONG_LONG 8
46 #define ORTE_ALIGNOF_CORBA_FLOAT 4
47 #define ORTE_ALIGNOF_CORBA_DOUBLE 8
48 #define ORTE_ALIGNOF_CORBA_LONG_DOUBLE 16
49 #define ORTE_ALIGNOF_CORBA_STRUCT 1
50 #define ORTE_ALIGNOF_CORBA_POINTER 4
58 * struct CDR_Codec - used for serialization/deserialization
61 * @buffer: buffer for data
62 * @buf_len: buffer length
63 * @wptr_max: maximal size of writing data
64 * @wptr: write pointer
66 * @readonly: readonly attribute
67 * @release_buffer: use CORBA_TRUE if is necessary to free buffer memory after destruction of structure
69 * Struct @CDR_Codec is used by serialization and deserialization functions.
71 typedef struct CDR_Codec {
72 CDR_Endianness host_endian;
73 CDR_Endianness data_endian;
76 unsigned int wptr_max;
79 CORBA_boolean readonly;
80 CORBA_boolean release_buffer;
83 #define HEXDIGIT(c) (isdigit((guchar)(c))?(c)-'0':tolower((guchar)(c))-'a'+10)
84 #define HEXOCTET(a,b) ((HEXDIGIT((a)) << 4) | HEXDIGIT((b)))
86 extern CORBA_boolean CDR_buffer_init(CDR_Codec *codec, const unsigned int size);
87 extern CDR_Codec *CDR_codec_init(void);
88 extern CDR_Codec *CDR_codec_init_static(CDR_Codec *codec);
89 extern void CDR_codec_release_buffer(CDR_Codec *codec);
90 extern void CDR_codec_free(CDR_Codec *);
92 extern CORBA_boolean CDR_buffer_puts(CDR_Codec *codec, const void *data, const unsigned int len);
93 extern CORBA_boolean CDR_buffer_gets(CDR_Codec *codec, void *dest, const unsigned int len);
95 extern CORBA_boolean CDR_put_short(CDR_Codec *codec, CORBA_short s);
96 extern CORBA_boolean CDR_put_ushort(CDR_Codec *codec, CORBA_unsigned_short us);
97 extern CORBA_boolean CDR_put_long(CDR_Codec *codec, CORBA_long l);
98 extern CORBA_boolean CDR_put_ulong(CDR_Codec *codec, CORBA_unsigned_long ul);
99 #ifdef HAVE_CORBA_LONG_LONG
100 extern CORBA_boolean CDR_put_long_long(CDR_Codec *codec, CORBA_long_long ll);
101 extern CORBA_boolean CDR_put_ulong_long(CDR_Codec *codec, CORBA_unsigned_long_long ull);
102 extern CORBA_boolean CDR_get_ulong_long(CDR_Codec *codec, CORBA_unsigned_long_long *ul);
103 extern CORBA_boolean CDR_get_long_long(CDR_Codec *codec, CORBA_long_long *ul);
105 extern CORBA_boolean CDR_put_float(CDR_Codec *codec, CORBA_float f);
106 extern CORBA_boolean CDR_put_double(CDR_Codec *codec, CORBA_double d);
107 extern CORBA_boolean CDR_put_long_double(CDR_Codec *codec, CORBA_long_double ld);
108 extern CORBA_boolean CDR_put_octet(CDR_Codec *codec, CORBA_octet datum);
109 extern CORBA_boolean CDR_put_octets(CDR_Codec *codec, void *data, unsigned long len);
110 extern CORBA_boolean CDR_put_char(CDR_Codec *codec, CORBA_char c);
111 extern CORBA_boolean CDR_put_boolean(CDR_Codec *codec, CORBA_boolean datum);
112 extern CORBA_boolean CDR_put_string(CDR_Codec *codec, const char *str);
113 extern CORBA_boolean CDR_buffer_gets(CDR_Codec *codec, void *dest, const unsigned int len);
114 extern CORBA_boolean CDR_get_short(CDR_Codec *codec, CORBA_short *us);
115 extern CORBA_boolean CDR_get_ushort(CDR_Codec *codec, CORBA_unsigned_short *us);
116 extern CORBA_boolean CDR_get_long(CDR_Codec *codec, CORBA_long *l);
117 extern CORBA_boolean CDR_get_ulong(CDR_Codec *codec, CORBA_unsigned_long *ul);
118 extern CORBA_boolean CDR_get_octet(CDR_Codec *codec, CORBA_octet *datum);
119 extern CORBA_boolean CDR_get_boolean(CDR_Codec *codec, CORBA_boolean *b);
120 extern CORBA_boolean CDR_get_char(CDR_Codec *codec, CORBA_char *c);
121 extern CORBA_boolean CDR_get_string(CDR_Codec *codec, CORBA_char **str);
122 extern CORBA_boolean CDR_get_string_buff(CDR_Codec *codec, CORBA_char *str);
123 extern CORBA_boolean CDR_get_string_static(CDR_Codec *codec, CORBA_char **str);
124 extern CORBA_boolean CDR_get_seq_begin(CDR_Codec *codec, CORBA_unsigned_long *ul);
125 extern CORBA_boolean CDR_get_float(CDR_Codec *codec, CORBA_float *f);
126 extern CORBA_boolean CDR_get_double(CDR_Codec *codec, CORBA_double *d);
129 /* serialization functions */
130 #define CORBA_short_serialize(x,y) CDR_put_short((x),*(y))
131 #define CORBA_long_serialize(x,y) CDR_put_long((x),*(y))
132 #define CORBA_unsigned_short_serialize(x,y) CDR_put_ushort((x),*(y))
133 #define CORBA_unsigned_long_serialize(x,y) CDR_put_ulong((x),*(y))
134 #define CORBA_float_serialize(x,y) CDR_put_float((x),*(y))
135 #define CORBA_double_serialize(x,y) CDR_put_double((x),*(y))
136 #define CORBA_char_serialize(x,y) CDR_put_char((x),*(y))
137 #define CORBA_boolean_serialize(x,y) CDR_put_boolean((x),*(y))
138 #define CORBA_octet_serialize(x,y) CDR_put_octet((x),*(y))
139 #define CORBA_long_double_serialize(x,y) CDR_put_long_double((x),*(y))
140 #define CORBA_string_serialize(x,y) CDR_put_string((x),*(y))
142 /* deserialization functions */
143 #define CORBA_short_deserialize(x,y) CDR_get_short((x),(y))
144 #define CORBA_long_deserialize(x,y) CDR_get_long((x),(y))
145 #define CORBA_unsigned_short_deserialize(x,y) CDR_get_ushort((x),(y))
146 #define CORBA_unsigned_long_deserialize(x,y) CDR_get_ulong((x),(y))
147 #define CORBA_float_deserialize(x,y) CDR_get_float((x),(y))
148 #define CORBA_double_deserialize(x,y) CDR_get_double((x),(y))
149 #define CORBA_char_deserialize(x,y) CDR_get_char((x),(y))
150 #define CORBA_boolean_deserialize(x,y) CDR_get_boolean((x),(y))
151 #define CORBA_octet_deserialize(x,y) CDR_get_octet((x),(y))
152 #define CORBA_long_double_deserialize(x,y) CDR_get_long_double((x),(y))
153 #define CORBA_string_deserialize(x,y) CDR_get_string((x),(y))
155 /* get_max_size functions */
156 #define CORBA_short_get_max_size(x, num) ((x)->csize=\
157 (unsigned long)ALIGN_ADDRESS((x)->csize,ORTE_ALIGNOF_CORBA_SHORT)+(num)*ORTE_ALIGNOF_CORBA_SHORT)
158 #define CORBA_long_get_max_size(x, num) ((x)->csize=\
159 (unsigned long)ALIGN_ADDRESS((x)->csize,ORTE_ALIGNOF_CORBA_LONG)+(num)*ORTE_ALIGNOF_CORBA_LONG)
160 #define CORBA_unsigned_short_get_max_size(x, num) ((x)->csize=\
161 (unsigned long)ALIGN_ADDRESS((x)->csize,ORTE_ALIGNOF_CORBA_SHORT)+(num)*ORTE_ALIGNOF_CORBA_SHORT)
162 #define CORBA_unsigned_long_get_max_size(x, num) ((x)->csize=\
163 (unsigned long)ALIGN_ADDRESS((x)->csize,ORTE_ALIGNOF_CORBA_LONG)+(num)*ORTE_ALIGNOF_CORBA_LONG)
164 #define CORBA_float_get_max_size(x, num) ((x)->csize=\
165 (unsigned long)ALIGN_ADDRESS((x)->csize,ORTE_ALIGNOF_CORBA_FLOAT)+(num)*ORTE_ALIGNOF_CORBA_FLOAT)
166 #define CORBA_double_get_max_size(x, num) ((x)->csize=\
167 (unsigned long)ALIGN_ADDRESS((x)->csize,ORTE_ALIGNOF_CORBA_DOUBLE)+(num)*ORTE_ALIGNOF_CORBA_DOUBLE)
168 #define CORBA_char_get_max_size(x, num) ((x)->csize=\
169 (unsigned long)ALIGN_ADDRESS((x)->csize,ORTE_ALIGNOF_CORBA_CHAR)+(num)*ORTE_ALIGNOF_CORBA_CHAR)
170 #define CORBA_boolean_get_max_size(x, num) ((x)->csize=\
171 (unsigned long)ALIGN_ADDRESS((x)->csize,ORTE_ALIGNOF_CORBA_BOOLEAN)+(num)*ORTE_ALIGNOF_CORBA_BOOLEAN)
172 #define CORBA_octet_get_max_size(x, num) ((x)->csize=\
173 (unsigned long)ALIGN_ADDRESS((x)->csize,ORTE_ALIGNOF_CORBA_OCTET)+(num)*ORTE_ALIGNOF_CORBA_OCTET)
174 #define CORBA_long_double_get_max_size(x, num) ((x)->csize=\
175 (unsigned long)ALIGN_ADDRESS((x)->csize,ORTE_ALIGNOF_CORBA_LONG_DOUBLE)+(num)*ORTE_ALIGNOF_CORBA_DOUBLE)
176 #define CORBA_string_get_max_size(x,y) \
177 ((x)->csize=(unsigned long)ALIGN_ADDRESS((x)->csize,ORTE_ALIGNOF_CORBA_LONG) + ORTE_ALIGNOF_CORBA_LONG + y + 1)
179 #endif /* !_ORTE_CDR_H_ */