1 /*
2  * include/types/protocol_buffers.h
3  * This file contains structure declarations for protocol buffers.
4  *
5  * Copyright 2012 Willy Tarreau <w@1wt.eu>
6  *
7  * This library is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation, version 2.1
10  * exclusively.
11  *
12  * This library is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with this library; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
22 #ifndef _TYPES_PROTOCOL_BUFFERS_H
23 #define _TYPES_PROTOCOL_BUFFERS_H
24 
25 enum protobuf_wire_type {
26 	PBUF_TYPE_VARINT,
27 	PBUF_TYPE_64BIT,
28 	PBUF_TYPE_LENGTH_DELIMITED,
29 	PBUF_TYPE_START_GROUP,      /* Deprecated */
30 	PBUF_TYPE_STOP_GROUP,       /* Deprecated */
31 	PBUF_TYPE_32BIT,
32 };
33 
34 enum protobuf_type {
35 	/* These enums are used to initialize calloc()'ed struct fields.
36 	 * Start them from 1 to avoid collisions with the default 0 value
37 	 * of such struct fields.
38 	 */
39 	PBUF_T_BINARY = 1,
40 
41 	/* Do not reorder the following ones:
42 	 * PBUF_T_VARINT_*, PBUF_T_32BIT_* and PBUF_T_64BIT_*
43 	 */
44 	PBUF_T_VARINT_INT32,
45 	PBUF_T_VARINT_UINT32,
46 	PBUF_T_VARINT_INT64,
47 	PBUF_T_VARINT_UINT64,
48 	PBUF_T_VARINT_BOOL,
49 	PBUF_T_VARINT_ENUM,
50 
51 	/* These two following varints are first encoded with zigzag. */
52 	PBUF_T_VARINT_SINT32,
53 	PBUF_T_VARINT_SINT64,
54 
55 	/* Fixed size types from here. */
56 	PBUF_T_32BIT_FIXED32,
57 	PBUF_T_32BIT_SFIXED32,
58 	PBUF_T_32BIT_FLOAT,
59 
60 	PBUF_T_64BIT_FIXED64,
61 	PBUF_T_64BIT_SFIXED64,
62 	PBUF_T_64BIT_DOUBLE,
63 };
64 
65 
66 struct pbuf_fid {
67 	unsigned int *ids;
68 	size_t sz;
69 };
70 
71 struct protobuf_parser_def {
72 	int (*skip)(unsigned char **pos, size_t *left, size_t vlen);
73 	int (*smp_store)(struct sample *, int type,
74 	                 unsigned char *pos, size_t left, size_t vlen);
75 };
76 
77 #endif /* _TYPES_PROTOCOL_BUFFERS_H */
78 
79 /*
80  * Local variables:
81  *  c-indent-level: 8
82  *  c-basic-offset: 8
83  * End:
84  */
85