mirror of
https://github.com/taosdata/TDengine
synced 2026-05-24 10:09:01 +00:00
480 lines
18 KiB
C
480 lines
18 KiB
C
/*
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* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the GNU Affero General Public License, version 3
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* or later ("AGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _TD_UTIL_UTIL_H_
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#define _TD_UTIL_UTIL_H_
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#include "tdef.h"
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#include "thash.h"
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#include "tmd5.h"
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#include "tsha.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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int32_t strdequote(char *src);
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size_t strtrim(char *src);
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char *strnchr(const char *haystack, char needle, int32_t len, bool skipquote);
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TdUcs4 *wcsnchr(const TdUcs4 *haystack, TdUcs4 needle, size_t len);
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char **strsplit(char *src, const char *delim, int32_t *num);
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char *strtolower(char *dst, const char *src);
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char *strntolower(char *dst, const char *src, int32_t n);
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char *strntolower_s(char *dst, const char *src, int32_t n);
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int64_t strnatoi(const char *num, int32_t len);
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size_t tstrncspn(const char *str, size_t ssize, const char *reject, size_t rsize);
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size_t twcsncspn(const TdUcs4 *wcs, size_t size, const TdUcs4 *reject, size_t rsize);
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char *strbetween(char *string, char *begin, char *end);
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char *paGetToken(char *src, char **token, int32_t *tokenLen);
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int32_t taosByteArrayToHexStr(char bytes[], int32_t len, char hexstr[]);
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int32_t taosHexStrToByteArray(char hexstr[], char bytes[]);
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int32_t tintToHex(uint64_t val, char hex[]);
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int32_t titoa(uint64_t val, size_t radix, char str[]);
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void *tmemmem(const char *haystack, int hlen, const char *needle, int nlen);
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int32_t parseCfgReal(const char *str, float *out);
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bool tIsValidFileName(const char *fileName, const char *pattern);
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bool tIsValidFilePath(const char *filePath, const char *pattern);
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void tTrimMountPrefix(char *fullName);
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#ifdef TD_ASTRA
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static FORCE_INLINE int32_t taosStrcasecmp(const char *s1, const char *s2) {
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if (s1[0] == 0 && s2[0] == 0) return 0;
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return strcasecmp(s1, s2);
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}
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static FORCE_INLINE int32_t taosStrncasecmp(const char *s1, const char *s2, size_t n) {
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if (s1[0] == 0 && s2[0] == 0) return 0;
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return strncasecmp(s1, s2, n);
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}
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#else
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#define taosStrcasecmp strcasecmp
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#define taosStrncasecmp strncasecmp
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#endif
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#ifdef NO_UNALIGNED_ACCESS
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#define CHECK_ALIGNMENT
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static FORCE_INLINE int64_t taosGetInt64Aligned(int64_t *pVal) {
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#ifdef CHECK_ALIGNMENT
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if ((((uintptr_t)pVal) & 7) == 0) return *pVal;
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#endif
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int64_t val;
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memcpy(&val, pVal, sizeof(int64_t));
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return val;
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}
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static FORCE_INLINE uint64_t taosGetUInt64Aligned(uint64_t *pVal) {
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#ifdef CHECK_ALIGNMENT
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if ((((uintptr_t)pVal) & 7) == 0) return *pVal;
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#endif
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uint64_t val;
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memcpy(&val, pVal, sizeof(uint64_t));
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return val;
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}
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static FORCE_INLINE float taosGetFloatAligned(float *pVal) {
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#ifdef CHECK_ALIGNMENT
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if ((((uintptr_t)pVal) & 7) == 0) return *pVal;
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#endif
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float val;
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memcpy(&val, pVal, sizeof(float));
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return val;
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}
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static FORCE_INLINE double taosGetDoubleAligned(double *pVal) {
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#ifdef CHECK_ALIGNMENT
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if ((((uintptr_t)pVal) & 7) == 0) return *pVal;
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#endif
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double val;
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memcpy(&val, pVal, sizeof(double));
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return val;
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}
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static FORCE_INLINE void taosSetInt64Aligned(int64_t *p, int64_t val) {
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#ifdef CHECK_ALIGNMENT
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if ((((uintptr_t)p) & 7) == 0) {
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*p = val;
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return;
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}
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#endif
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memcpy(p, &val, sizeof(int64_t));
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}
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static FORCE_INLINE void taosSetUInt64Aligned(uint64_t *p, uint64_t val) {
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#ifdef CHECK_ALIGNMENT
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if ((((uintptr_t)p) & 7) == 0) {
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*p = val;
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return;
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}
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#endif
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memcpy(p, &val, sizeof(uint64_t));
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}
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static FORCE_INLINE void taosSetPInt64Aligned(int64_t *to, int64_t *from) {
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#ifdef CHECK_ALIGNMENT
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if ((((uintptr_t)from) & 7) == 0 && ((uintptr_t)to & 7) == 0) {
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*to = *from;
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return;
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}
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#endif
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memcpy(to, from, sizeof(int64_t));
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}
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static FORCE_INLINE void taosSetPFloatAligned(float *to, float *from) {
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#ifdef CHECK_ALIGNMENT
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if ((((uintptr_t)from) & 7) == 0 && ((uintptr_t)to & 7) == 0) {
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*to = *from;
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return;
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}
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#endif
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memcpy(to, from, sizeof(float));
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}
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static FORCE_INLINE void taosSetPDoubleAligned(double *to, double *from) {
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#ifdef CHECK_ALIGNMENT
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if ((((uintptr_t)from) & 7) == 0 && ((uintptr_t)to & 7) == 0) {
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*to = *from;
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return;
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}
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#endif
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memcpy(to, from, sizeof(double));
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}
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static FORCE_INLINE void taosSetPUInt64Aligned(uint64_t *to, uint64_t *from) {
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#ifdef CHECK_ALIGNMENT
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if ((((uintptr_t)from) & 7) == 0 && ((uintptr_t)to & 7) == 0) {
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*to = *from;
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return;
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}
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#endif
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memcpy(to, from, sizeof(uint64_t));
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}
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#define TAOS_SET_OBJ_ALIGNED(pTo, vFrom) memcpy((pTo), &(vFrom), sizeof(*(pTo)))
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#define TAOS_SET_POBJ_ALIGNED(pTo, pFrom) memcpy((pTo), (pFrom), sizeof(*(pTo)))
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#else
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static FORCE_INLINE int64_t taosGetInt64Aligned(int64_t *pVal) { return *pVal; }
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static FORCE_INLINE uint64_t taosGetUInt64Aligned(uint64_t *pVal) { return *pVal; }
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static FORCE_INLINE float taosGetFloatAligned(float *pVal) { return *pVal; }
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static FORCE_INLINE double taosGetDoubleAligned(double *pVal) { return *pVal; }
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static FORCE_INLINE void taosSetInt64Aligned(int64_t *p, int64_t val) { *p = val; }
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static FORCE_INLINE void taosSetUInt64Aligned(uint64_t *p, uint64_t val) { *p = val; }
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static FORCE_INLINE void taosSetPInt64Aligned(int64_t *to, int64_t *from) { *to = *from; }
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static FORCE_INLINE void taosSetPFloatAligned(float *to, float *from) { *to = *from; }
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static FORCE_INLINE void taosSetPDoubleAligned(double *to, double *from) { *to = *from; }
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static FORCE_INLINE void taosSetPUInt64Aligned(uint64_t *to, uint64_t *from) { *to = *from; }
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#define TAOS_SET_OBJ_ALIGNED(pTo, vFrom) *(pTo) = (vFrom)
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#define TAOS_SET_POBJ_ALIGNED(pTo, pFrom) *(pTo) = *(pFrom)
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#endif
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static FORCE_INLINE void taosEncryptPass(uint8_t *inBuf, size_t inLen, char *target) {
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T_MD5_CTX context;
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tMD5Init(&context);
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tMD5Update(&context, inBuf, (uint32_t)inLen);
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tMD5Final(&context);
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(void)memcpy(target, context.digest, tListLen(context.digest));
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}
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static FORCE_INLINE void taosEncryptPass_c(uint8_t *inBuf, size_t len, char *target) {
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T_MD5_CTX context;
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tMD5Init(&context);
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tMD5Update(&context, inBuf, (uint32_t)len);
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tMD5Final(&context);
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char buf[TSDB_PASSWORD_LEN + 1];
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buf[TSDB_PASSWORD_LEN] = 0;
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(void)tsnprintf(buf, sizeof(buf), "%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
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context.digest[0], context.digest[1], context.digest[2], context.digest[3], context.digest[4],
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context.digest[5], context.digest[6], context.digest[7], context.digest[8], context.digest[9],
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context.digest[10], context.digest[11], context.digest[12], context.digest[13], context.digest[14],
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context.digest[15]);
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(void)memcpy(target, buf, TSDB_PASSWORD_LEN);
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}
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static FORCE_INLINE int32_t taosHashBinary(char *pBuf, int32_t len, int32_t cap) {
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uint64_t hashVal = MurmurHash3_64(pBuf, len);
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return snprintf(pBuf, cap, "%" PRIu64, hashVal);
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}
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static FORCE_INLINE int32_t taosCreateMD5Hash(char *pBuf, int32_t len, int32_t cap) {
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T_MD5_CTX ctx;
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tMD5Init(&ctx);
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tMD5Update(&ctx, (uint8_t *)pBuf, len);
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tMD5Final(&ctx);
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return tsnprintf(pBuf, cap, "%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x", ctx.digest[0],
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ctx.digest[1], ctx.digest[2], ctx.digest[3], ctx.digest[4], ctx.digest[5], ctx.digest[6],
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ctx.digest[7], ctx.digest[8], ctx.digest[9], ctx.digest[10], ctx.digest[11], ctx.digest[12],
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ctx.digest[13], ctx.digest[14], ctx.digest[15]);
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}
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static FORCE_INLINE int32_t taosCreateSHA1Hash(char *pBuf, int32_t len, int32_t cap) {
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uint8_t result[21] = {0};
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tSHA1((char *)result, pBuf, len);
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return tsnprintf(pBuf, cap, "%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
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result[0], result[1], result[2], result[3], result[4], result[5], result[6], result[7], result[8],
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result[9], result[10], result[11], result[12], result[13], result[14], result[15], result[16],
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result[17], result[18], result[19]);
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}
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static FORCE_INLINE int32_t taosCreateSHA2Hash(char *pBuf, int32_t len, uint32_t digestSize, int32_t cap) {
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uint8_t result[2 * SHA512_DIGEST_SIZE + 1] = {0};
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switch (digestSize / 8) {
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case SHA224_DIGEST_SIZE:
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sha224((const uint8_t *)pBuf, len, result);
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return tsnprintf(
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pBuf, cap,
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"%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%"
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"02x%02x%02x%02x",
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result[0], result[1], result[2], result[3], result[4], result[5], result[6], result[7], result[8], result[9],
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result[10], result[11], result[12], result[13], result[14], result[15], result[16], result[17], result[18],
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result[19], result[20], result[21], result[22], result[23], result[24], result[25], result[26], result[27]);
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case SHA256_DIGEST_SIZE:
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sha256((const uint8_t *)pBuf, len, result);
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return tsnprintf(
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pBuf, cap,
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"%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%"
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"02x%02x%02x%02x%02x%02x%02x%02x",
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result[0], result[1], result[2], result[3], result[4], result[5], result[6], result[7], result[8], result[9],
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result[10], result[11], result[12], result[13], result[14], result[15], result[16], result[17], result[18],
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result[19], result[20], result[21], result[22], result[23], result[24], result[25], result[26], result[27],
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result[28], result[29], result[30], result[31]);
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case SHA384_DIGEST_SIZE:
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sha384((const uint8_t *)pBuf, len, result);
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return tsnprintf(
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pBuf, cap,
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"%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%"
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"02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
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result[0], result[1], result[2], result[3], result[4], result[5], result[6], result[7], result[8], result[9],
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result[10], result[11], result[12], result[13], result[14], result[15], result[16], result[17], result[18],
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result[19], result[20], result[21], result[22], result[23], result[24], result[25], result[26], result[27],
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result[28], result[29], result[30], result[31], result[32], result[33], result[34], result[35], result[36],
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result[37], result[38], result[39], result[40], result[41], result[42], result[43], result[44], result[45],
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result[46], result[47]);
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case SHA512_DIGEST_SIZE:
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sha512((const uint8_t *)pBuf, len, result);
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return tsnprintf(
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pBuf, cap,
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"%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%"
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"02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%"
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"02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
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result[0], result[1], result[2], result[3], result[4], result[5], result[6], result[7], result[8], result[9],
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result[10], result[11], result[12], result[13], result[14], result[15], result[16], result[17], result[18],
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result[19], result[20], result[21], result[22], result[23], result[24], result[25], result[26], result[27],
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result[28], result[29], result[30], result[31], result[32], result[33], result[34], result[35], result[36],
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result[37], result[38], result[39], result[40], result[41], result[42], result[43], result[44], result[45],
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result[46], result[47], result[48], result[49], result[50], result[51], result[52], result[53], result[54],
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result[55], result[56], result[57], result[58], result[59], result[60], result[61], result[62], result[63]);
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default:
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break;
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}
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return 0;
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}
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static FORCE_INLINE int32_t taosGetTbHashVal(const char *tbname, int32_t tblen, int32_t method, int32_t prefix,
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int32_t suffix) {
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if ((prefix == 0 && suffix == 0) || (tblen <= (prefix + suffix)) || (tblen <= -1 * (prefix + suffix)) ||
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prefix * suffix < 0) {
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return MurmurHash3_32(tbname, tblen);
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} else if (prefix > 0 || suffix > 0) {
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return MurmurHash3_32(tbname + prefix, tblen - prefix - suffix);
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} else {
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char tbName[TSDB_TABLE_FNAME_LEN] = {0};
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int32_t offset = 0;
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int32_t avail = sizeof(tbName);
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if (prefix < 0) {
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int32_t want = -prefix;
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/* reserve 1 byte for terminating NUL when using tstrncpy */
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int32_t n = (want < avail - 1) ? want : (avail - 1);
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if (n > 0) {
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tstrncpy(tbName, tbname, n + 1);
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offset = n;
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avail -= offset;
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} else {
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memcpy(tbName, tbname, avail - 1);
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}
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}
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if (suffix < 0 && avail > 0) {
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int32_t want = -suffix;
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int32_t n = (want < avail - 1) ? want : (avail - 1);
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if (n > 0) {
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tstrncpy(tbName + offset, tbname + tblen + suffix, n + 1);
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offset += n;
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}
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}
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return MurmurHash3_32(tbName, offset);
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}
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}
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/*
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* LIKELY and UNLIKELY macros for branch predication hints. Use them judiciously
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* only in very hot code paths. Misuse or abuse can lead to performance degradation.
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*/
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#if __GNUC__ >= 3
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#define LIKELY(x) __builtin_expect((x) != 0, 1)
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#define UNLIKELY(x) __builtin_expect((x) != 0, 0)
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#else
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#define LIKELY(x) ((x) != 0)
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#define UNLIKELY(x) ((x) != 0)
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#endif
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#define TAOS_CHECK_ERRNO(CODE) \
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do { \
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terrno = (CODE); \
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if (terrno != TSDB_CODE_SUCCESS) { \
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terrln = __LINE__; \
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goto _exit; \
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} \
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} while (0)
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#define TSDB_CHECK_CODE(CODE, LINO, LABEL) \
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do { \
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if (UNLIKELY(TSDB_CODE_SUCCESS != (CODE))) { \
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LINO = __LINE__; \
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goto LABEL; \
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} \
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} while (0)
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#define QUERY_CHECK_CODE TSDB_CHECK_CODE
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#define TSDB_CHECK_CONDITION(condition, CODE, LINO, LABEL, _ERRNO) \
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if (UNLIKELY(!(condition))) { \
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(CODE) = (_ERRNO); \
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(LINO) = __LINE__; \
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goto LABEL; \
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}
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#define QUERY_CHECK_CONDITION TSDB_CHECK_CONDITION
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#define TSDB_CHECK_NULL(ptr, CODE, LINO, LABEL, _ERRNO) \
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if (UNLIKELY((ptr) == NULL)) { \
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(CODE) = (_ERRNO); \
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(LINO) = __LINE__; \
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|
goto LABEL; \
|
|
}
|
|
|
|
#define QUERY_CHECK_NULL TSDB_CHECK_NULL
|
|
|
|
#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
|
|
|
|
#define VND_CHECK_CODE(CODE, LINO, LABEL) TSDB_CHECK_CODE(CODE, LINO, LABEL)
|
|
|
|
#define TCONTAINER_OF(ptr, type, member) ((type *)((char *)(ptr)-offsetof(type, member)))
|
|
|
|
#define TAOS_GET_TERRNO(code) (terrno == 0 ? code : terrno)
|
|
|
|
#define TAOS_RETURN(CODE) \
|
|
do { \
|
|
return (terrno = (CODE)); \
|
|
} while (0)
|
|
|
|
#define TAOS_CHECK_RETURN(CMD) \
|
|
do { \
|
|
int32_t __c = (CMD); \
|
|
if (__c != TSDB_CODE_SUCCESS) { \
|
|
TAOS_RETURN(__c); \
|
|
} \
|
|
} while (0)
|
|
|
|
#define TAOS_CHECK_RETURN_SET_CODE(CMD, CODE, _ERRNO) \
|
|
do { \
|
|
int32_t __c = (CMD); \
|
|
if (__c != TSDB_CODE_SUCCESS) { \
|
|
(CODE) = (_ERRNO); \
|
|
TAOS_RETURN(__c); \
|
|
} \
|
|
} while (0)
|
|
|
|
#define TAOS_CHECK_RETURN_WITH_RELEASE(CMD, PTR1, PTR2) \
|
|
do { \
|
|
int32_t __c = (CMD); \
|
|
if (__c != TSDB_CODE_SUCCESS) { \
|
|
sdbRelease(PTR1, PTR2); \
|
|
if (pShow->pIter) sdbCancelFetch(pSdb, pShow->pIter); \
|
|
TAOS_RETURN(__c); \
|
|
} \
|
|
} while (0)
|
|
|
|
#define TAOS_CHECK_RETURN_WITH_FREE(CMD, PTR) \
|
|
do { \
|
|
int32_t __c = (CMD); \
|
|
if (__c != TSDB_CODE_SUCCESS) { \
|
|
taosMemoryFree(PTR); \
|
|
TAOS_RETURN(__c); \
|
|
} \
|
|
} while (0)
|
|
|
|
#define TAOS_CHECK_GOTO(CMD, LINO, LABEL) \
|
|
do { \
|
|
code = (CMD); \
|
|
if (code != TSDB_CODE_SUCCESS) { \
|
|
if (LINO) { \
|
|
*((int32_t *)(LINO)) = __LINE__; \
|
|
} \
|
|
goto LABEL; \
|
|
} \
|
|
} while (0)
|
|
|
|
#define TAOS_CHECK_EXIT(CMD) \
|
|
do { \
|
|
code = (CMD); \
|
|
if (code < TSDB_CODE_SUCCESS) { \
|
|
lino = __LINE__; \
|
|
goto _exit; \
|
|
} \
|
|
} while (0)
|
|
|
|
#define TAOS_CHECK_EXIT_SET_CODE(CMD, CODE, _ERRNO) \
|
|
do { \
|
|
code = (CMD); \
|
|
if (code < TSDB_CODE_SUCCESS) { \
|
|
(CODE) = (_ERRNO); \
|
|
lino = __LINE__; \
|
|
goto _exit; \
|
|
} \
|
|
} while (0)
|
|
|
|
#define TAOS_UNUSED(expr) (void)(expr)
|
|
|
|
bool taosIsBigChar(char c);
|
|
bool taosIsSmallChar(char c);
|
|
bool taosIsNumberChar(char c);
|
|
bool taosIsSpecialChar(char c);
|
|
// check if the string is a complex string, a complex string contains
|
|
// at least 3 types of characters: upper, lower, digit, special
|
|
bool taosIsComplexString(const char *str);
|
|
|
|
#define QUERY_ENABLE_EXPLAIN(pTaskInfo) (pTaskInfo->enableExplain)
|
|
#define QUERY_GET_ANALYZE_TIMESTAMP(pTaskInfo) \
|
|
(QUERY_ENABLE_EXPLAIN(pTaskInfo) ? taosGetTimestampUs() : TSKEY_INITIAL_VAL)
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /*_TD_UTIL_UTIL_H_*/
|