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Miroslav Zagorac70230c62020-12-09 16:54:31 +01001/***
2 * Copyright 2020 HAProxy Technologies
3 *
4 * This file is part of the HAProxy OpenTracing filter.
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version 2
9 * of the License, or (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
19 */
20#ifndef _OPENTRACING_DEFINE_H_
21#define _OPENTRACING_DEFINE_H_
22
23#define FLT_OT_DEREF(a,m,v) (((a) != NULL) ? (a)->m : (v))
24#define FLT_OT_DDEREF(a,m,v) ((((a) != NULL) && (*(a) != NULL)) ? (*(a))->m : (v))
25#define FLT_OT_TABLESIZE(a) (sizeof(a) / sizeof((a)[0]))
26#define FLT_OT_IN_RANGE(v,a,b) (((v) >= (a)) && ((v) <= (b)))
27#define FLT_OT_DPTR_ARGS(a) (a), ((a) == NULL) ? NULL : *(a)
28#define FLT_OT_ARG_ISVALID(n) ((args[n] != NULL) && *args[n])
29#define FLT_OT_TV_UDIFF(a,b) (((b)->tv_sec - (a)->tv_sec) * 1000000 + (b)->tv_usec - (a)->tv_usec)
30#define FLT_OT_U32_FLOAT(a,b) ((a) * (double)(b) / UINT32_MAX)
31#define FLT_OT_FLOAT_U32(a,b) ((uint32_t)((a) / (double)(b) * UINT32_MAX + 0.5))
32
33#define FLT_OT_STR_DASH_72 "------------------------------------------------------------------------"
34#define FLT_OT_STR_DASH_78 FLT_OT_STR_DASH_72 "------"
35#define FLT_OT_STR_FLAG_YN(a) (a) ? "yes" : "no"
36
37#define FLT_OT_STR_SIZE(a) (sizeof(a) - 1)
38#define FLT_OT_STR_ADDRSIZE(a) (a), FLT_OT_STR_SIZE(a)
39#define FLT_OT_STR_ISVALID(a) (((a) != NULL) && (*(a) != '\0'))
40#define FLT_OT_STR_CMP(S,s,l) (((l) == FLT_OT_STR_SIZE(S)) && (memcmp((s), FLT_OT_STR_ADDRSIZE(S)) == 0))
41#define FLT_OT_STR_ELLIPSIS(a,n) do { if ((a) != NULL) { if ((n) > 0) (a)[(n) - 1] = '\0'; if ((n) > 3) (a)[(n) - 2] = (a)[(n) - 3] = (a)[(n) - 4] = '.'; } } while (0)
42#define FLT_OT_NIBBLE_TO_HEX(a) ((a) + (((a) < 10) ? '0' : ('a' - 10)))
43
44#define FLT_OT_FREE(a) do { if ((a) != NULL) OTC_DBG_FREE(a); } while (0)
45#define FLT_OT_FREE_VOID(a) do { if ((a) != NULL) OTC_DBG_FREE((void *)(a)); } while (0)
46#define FLT_OT_FREE_CLEAR(a) do { if ((a) != NULL) { OTC_DBG_FREE(a); (a) = NULL; } } while (0)
47#define FLT_OT_STRDUP(s) OTC_DBG_STRDUP(s)
48#define FLT_OT_STRNDUP(s,n) OTC_DBG_STRNDUP((s), (n))
49#define FLT_OT_CALLOC(n,e) OTC_DBG_CALLOC((n), (e))
50#define FLT_OT_MALLOC(s) OTC_DBG_MALLOC((s))
51#define FLT_OT_MEMINFO() OTC_DBG_MEMINFO()
52
53#define FLT_OT_RUN_ONCE(f) do { static bool __f = 1; if (__f) { __f = 0; f; } } while (0)
54
55#define FLT_OT_LIST_ISVALID(a) (((a) != NULL) && ((a)->n != NULL) && ((a)->p != NULL))
56#define FLT_OT_LIST_DEL(a) do { if (FLT_OT_LIST_ISVALID(a)) LIST_DEL(a); } while (0)
57#define FLT_OT_LIST_DESTROY(t,h) \
58 do { \
59 struct flt_ot_conf_##t *_ptr, *_back; \
60 \
61 if (!FLT_OT_LIST_ISVALID(h) || LIST_ISEMPTY(h)) \
62 break; \
63 \
64 FLT_OT_DBG(2, "- deleting " #t " list %s", flt_ot_list_debug(h)); \
65 \
66 list_for_each_entry_safe(_ptr, _back, (h), list) \
67 flt_ot_conf_##t##_free(&_ptr); \
68 } while (0)
69
70#define FLT_OT_BUFFER_THR(b,m,n,p) \
71 static THREAD_LOCAL char b[m][n]; \
72 static THREAD_LOCAL size_t __idx = 0; \
73 char *p = b[__idx]; \
74 __idx = (__idx + 1) % (m)
75
76#define FLT_OT_ERR(f, ...) \
77 do { \
78 if ((err != NULL) && (*err == NULL)) \
79 (void)memprintf(err, f, ##__VA_ARGS__); \
80 } while (0)
81#define FLT_OT_ERR_APPEND(f, ...) \
82 do { \
83 if (err != NULL) \
84 (void)memprintf(err, f, ##__VA_ARGS__); \
85 } while (0)
86#define FLT_OT_ERR_FREE(p) \
87 do { \
88 if ((p) == NULL) \
89 break; \
90 \
91 FLT_OT_DBG(0, "%s:%d: ERROR: %s", __func__, __LINE__, (p)); \
92 FLT_OT_FREE_CLEAR(p); \
93 } while (0)
94
95#endif /* _OPENTRACING_DEFINE_H_ */
96
97/*
98 * Local variables:
99 * c-indent-level: 8
100 * c-basic-offset: 8
101 * End:
102 *
103 * vi: noexpandtab shiftwidth=8 tabstop=8
104 */