homework-jianmu/include/util/tutil.h

146 lines
5.0 KiB
C

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _TD_UTIL_UTIL_H_
#define _TD_UTIL_UTIL_H_
#include "os.h"
#include "tcrc32c.h"
#include "tdef.h"
#include "thash.h"
#include "tmd5.h"
#ifdef __cplusplus
extern "C" {
#endif
int32_t strdequote(char *src);
size_t strtrim(char *src);
char *strnchr(const char *haystack, char needle, int32_t len, bool skipquote);
TdUcs4 *wcsnchr(const TdUcs4 *haystack, TdUcs4 needle, size_t len);
char **strsplit(char *src, const char *delim, int32_t *num);
char *strtolower(char *dst, const char *src);
char *strntolower(char *dst, const char *src, int32_t n);
char *strntolower_s(char *dst, const char *src, int32_t n);
int64_t strnatoi(char *num, int32_t len);
size_t tstrncspn(const char *str, size_t ssize, const char *reject, size_t rsize);
size_t twcsncspn(const TdUcs4 *wcs, size_t size, const TdUcs4 *reject, size_t rsize);
char *strbetween(char *string, char *begin, char *end);
char *paGetToken(char *src, char **token, int32_t *tokenLen);
int32_t taosByteArrayToHexStr(char bytes[], int32_t len, char hexstr[]);
int32_t taosHexStrToByteArray(char hexstr[], char bytes[]);
int32_t tintToHex(uint64_t val, char hex[]);
int32_t titoa(uint64_t val, size_t radix, char str[]);
char *taosIpStr(uint32_t ipInt);
uint32_t ip2uint(const char *const ip_addr);
void taosIp2String(uint32_t ip, char *str);
void taosIpPort2String(uint32_t ip, uint16_t port, char *str);
void *tmemmem(const char *haystack, int hlen, const char *needle, int nlen);
int32_t parseCfgReal(const char* str, double* out);
static FORCE_INLINE void taosEncryptPass(uint8_t *inBuf, size_t inLen, char *target) {
T_MD5_CTX context;
tMD5Init(&context);
tMD5Update(&context, inBuf, (uint32_t)inLen);
tMD5Final(&context);
memcpy(target, context.digest, tListLen(context.digest));
}
static FORCE_INLINE void taosEncryptPass_c(uint8_t *inBuf, size_t len, char *target) {
T_MD5_CTX context;
tMD5Init(&context);
tMD5Update(&context, inBuf, (uint32_t)len);
tMD5Final(&context);
char buf[TSDB_PASSWORD_LEN + 1];
buf[TSDB_PASSWORD_LEN] = 0;
sprintf(buf, "%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x", context.digest[0], context.digest[1],
context.digest[2], context.digest[3], context.digest[4], context.digest[5], context.digest[6],
context.digest[7], context.digest[8], context.digest[9], context.digest[10], context.digest[11],
context.digest[12], context.digest[13], context.digest[14], context.digest[15]);
memcpy(target, buf, TSDB_PASSWORD_LEN);
}
static FORCE_INLINE int32_t taosCreateMD5Hash(char *pBuf, int32_t len) {
T_MD5_CTX ctx;
tMD5Init(&ctx);
tMD5Update(&ctx, (uint8_t*)pBuf, len);
tMD5Final(&ctx);
char* p = pBuf;
int32_t resLen = 0;
for (uint8_t i = 0; i < tListLen(ctx.digest); ++i) {
resLen += snprintf(p, 3, "%02x", ctx.digest[i]);
p += 2;
}
return resLen;
}
static FORCE_INLINE int32_t taosGetTbHashVal(const char *tbname, int32_t tblen, int32_t method, int32_t prefix,
int32_t suffix) {
if ((prefix == 0 && suffix == 0) || (tblen <= (prefix + suffix)) || (tblen <= -1 * (prefix + suffix)) ||
prefix * suffix < 0) {
return MurmurHash3_32(tbname, tblen);
} else if (prefix > 0 || suffix > 0) {
return MurmurHash3_32(tbname + prefix, tblen - prefix - suffix);
} else {
char tbName[TSDB_TABLE_FNAME_LEN];
int32_t offset = 0;
if (prefix < 0) {
offset = -1 * prefix;
strncpy(tbName, tbname, offset);
}
if (suffix < 0) {
strncpy(tbName + offset, tbname + tblen + suffix, -1 * suffix);
offset += -1 * suffix;
}
return MurmurHash3_32(tbName, offset);
}
}
#define TSDB_CHECK_CODE(CODE, LINO, LABEL) \
do { \
if ((CODE)) { \
LINO = __LINE__; \
goto LABEL; \
} \
} while (0)
#define TSDB_CHECK_NULL(ptr, CODE, LINO, LABEL, ERRNO) \
if ((ptr) == NULL) { \
(CODE) = (ERRNO); \
(LINO) = __LINE__; \
goto LABEL; \
}
#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)))
#ifdef __cplusplus
}
#endif
#endif /*_TD_UTIL_UTIL_H_*/