1 /*** 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_DELETE(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 */ 105