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taosdata / TDengine / #3535

23 Nov 2024 02:07AM UTC coverage: 60.85% (+0.03%) from 60.825%
#3535

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Merge pull request #28893 from taosdata/doc/internal

refact: rename taos lib name

120252 of 252737 branches covered (47.58%)

Branch coverage included in aggregate %.

201187 of 275508 relevant lines covered (73.02%)

15886166.19 hits per line

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59.01
/source/util/src/tscalablebf.c
1
/*
2
 * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
3
 *
4
 * This program is free software: you can use, redistribute, and/or modify
5
 * it under the terms of the GNU Affero General Public License, version 3
6
 * or later ("AGPL"), as published by the Free Software Foundation.
7
 *
8
 * This program is distributed in the hope that it will be useful, but WITHOUT
9
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10
 * FITNESS FOR A PARTICULAR PURPOSE.
11
 *
12
 * You should have received a copy of the GNU Affero General Public License
13
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
14
 */
15

16
#define _DEFAULT_SOURCE
17

18
#include "tscalablebf.h"
19
#include "taoserror.h"
20
#include "tutil.h"
21

22
#define DEFAULT_GROWTH           2
23
#define DEFAULT_TIGHTENING_RATIO 0.5
24
#define DEFAULT_MAX_BLOOMFILTERS 4
25
#define SBF_INVALID              -1
26
#define SBF_VALID                0
27

28
static int32_t tScalableBfAddFilter(SScalableBf* pSBf, uint64_t expectedEntries, double errorRate,
29
                                    SBloomFilter** ppNormalBf);
30

31
int32_t tScalableBfInit(uint64_t expectedEntries, double errorRate, SScalableBf** ppSBf) {
120,522,280✔
32
  int32_t        code = TSDB_CODE_SUCCESS;
120,522,280✔
33
  int32_t        lino = 0;
120,522,280✔
34
  const uint32_t defaultSize = 8;
120,522,280✔
35
  if (expectedEntries < 1 || errorRate <= 0 || errorRate >= 1.0) {
120,522,280!
36
    code = TSDB_CODE_INVALID_PARA;
×
37
    QUERY_CHECK_CODE(code, lino, _error);
×
38
  }
39
  SScalableBf* pSBf = taosMemoryCalloc(1, sizeof(SScalableBf));
120,522,280✔
40
  if (pSBf == NULL) {
122,693,987!
41
    code = terrno;
×
42
    QUERY_CHECK_CODE(code, lino, _error);
×
43
  }
44
  pSBf->maxBloomFilters = DEFAULT_MAX_BLOOMFILTERS;
122,693,987✔
45
  pSBf->status = SBF_VALID;
122,693,987✔
46
  pSBf->numBits = 0;
122,693,987✔
47
  pSBf->bfArray = taosArrayInit(defaultSize, sizeof(void*));
122,693,987✔
48
  if (!pSBf->bfArray) {
127,614,728!
49
    code = terrno;
×
50
    QUERY_CHECK_CODE(code, lino, _error);
×
51
  }
52

53
  SBloomFilter* pNormalBf = NULL;
127,614,728✔
54
  code = tScalableBfAddFilter(pSBf, expectedEntries, errorRate * DEFAULT_TIGHTENING_RATIO, &pNormalBf);
127,614,728✔
55
  if (code != TSDB_CODE_SUCCESS) {
121,488,212!
56
    tScalableBfDestroy(pSBf);
×
57
    QUERY_CHECK_CODE(code, lino, _error);
×
58
  }
59
  pSBf->growth = DEFAULT_GROWTH;
121,504,296✔
60
  pSBf->hashFn1 = HASH_FUNCTION_1;
121,504,296✔
61
  pSBf->hashFn2 = HASH_FUNCTION_2;
121,504,296✔
62
  (*ppSBf) = pSBf;
121,504,296✔
63
  return TSDB_CODE_SUCCESS;
121,504,296✔
64

65
_error:
×
66
  uError("%s failed at line %d since %s", __func__, lino, tstrerror(code));
×
67
  return code;
×
68
}
69

70
int32_t tScalableBfPutNoCheck(SScalableBf* pSBf, const void* keyBuf, uint32_t len) {
14,090,007✔
71
  int32_t code = TSDB_CODE_SUCCESS;
14,090,007✔
72
  int32_t lino = 0;
14,090,007✔
73
  if (pSBf->status == SBF_INVALID) {
14,090,007✔
74
    return code;
11,626,288✔
75
  }
76
  int32_t       size = taosArrayGetSize(pSBf->bfArray);
2,463,719✔
77
  SBloomFilter* pNormalBf = taosArrayGetP(pSBf->bfArray, size - 1);
2,463,957✔
78
  if (!pNormalBf) {
2,463,883!
79
    code = terrno;
×
80
    QUERY_CHECK_CODE(code, lino, _error);
×
81
  }
82
  if (tBloomFilterIsFull(pNormalBf)) {
2,463,883✔
83
    code = tScalableBfAddFilter(pSBf, pNormalBf->expectedEntries * pSBf->growth,
57✔
84
                                pNormalBf->errorRate * DEFAULT_TIGHTENING_RATIO, &pNormalBf);
57✔
85
    if (code != TSDB_CODE_SUCCESS) {
57✔
86
      pSBf->status = SBF_INVALID;
12✔
87
      if (code == TSDB_CODE_OUT_OF_BUFFER) {
12!
88
        code = TSDB_CODE_SUCCESS;
12✔
89
        return code;
12✔
90
      }
91
      QUERY_CHECK_CODE(code, lino, _error);
×
92
    }
93
  }
94
  return tBloomFilterPut(pNormalBf, keyBuf, len);
2,463,826✔
95

96
_error:
×
97
  if (code != TSDB_CODE_SUCCESS) {
×
98
    uDebug("%s failed at line %d since %s", __func__, lino, tstrerror(code));
×
99
  }
100
  return code;
×
101
}
102

103
int32_t tScalableBfPut(SScalableBf* pSBf, const void* keyBuf, uint32_t len, int32_t* winRes) {
75,260,327✔
104
  int32_t code = TSDB_CODE_SUCCESS;
75,260,327✔
105
  int32_t lino = 0;
75,260,327✔
106
  if (pSBf->status == SBF_INVALID) {
75,260,327✔
107
    (*winRes) = TSDB_CODE_FAILED;
64,508,908✔
108
    return code;
64,508,908✔
109
  }
110
  uint64_t h1 = (uint64_t)pSBf->hashFn1(keyBuf, len);
10,751,419✔
111
  uint64_t h2 = (uint64_t)pSBf->hashFn2(keyBuf, len);
10,784,298✔
112
  int32_t  size = taosArrayGetSize(pSBf->bfArray);
10,800,865✔
113
  for (int32_t i = size - 2; i >= 0; --i) {
18,782,604✔
114
    if (tBloomFilterNoContain(taosArrayGetP(pSBf->bfArray, i), h1, h2) != TSDB_CODE_SUCCESS) {
8,198,373✔
115
      (*winRes) = TSDB_CODE_FAILED;
213,828✔
116
      goto _end;
213,828✔
117
    }
118
  }
119

120
  SBloomFilter* pNormalBf = taosArrayGetP(pSBf->bfArray, size - 1);
10,584,231✔
121
  QUERY_CHECK_NULL(pNormalBf, code, lino, _end, TSDB_CODE_INTERNAL_ERROR);
10,568,059!
122

123
  if (tBloomFilterIsFull(pNormalBf)) {
10,568,059✔
124
    code = tScalableBfAddFilter(pSBf, pNormalBf->expectedEntries * pSBf->growth,
92✔
125
                                pNormalBf->errorRate * DEFAULT_TIGHTENING_RATIO, &pNormalBf);
92✔
126
    if (code != TSDB_CODE_SUCCESS) {
92✔
127
      pSBf->status = SBF_INVALID;
23✔
128
      if (code == TSDB_CODE_OUT_OF_BUFFER) {
23!
129
        code = TSDB_CODE_SUCCESS;
23✔
130
        (*winRes) = TSDB_CODE_FAILED;
23✔
131
        goto _end;
23✔
132
      }
133
      QUERY_CHECK_CODE(code, lino, _end);
×
134
    }
135
  }
136
  (*winRes) = tBloomFilterPutHash(pNormalBf, h1, h2);
10,564,047✔
137

138
_end:
10,790,543✔
139
  if (code != TSDB_CODE_SUCCESS) {
10,790,543!
140
    uError("%s failed at line %d since %s", __func__, lino, tstrerror(code));
×
141
  }
142
  return code;
10,791,261✔
143
}
144

145
int32_t tScalableBfNoContain(const SScalableBf* pSBf, const void* keyBuf, uint32_t len) {
×
146
  if (pSBf->status == SBF_INVALID) {
×
147
    return TSDB_CODE_FAILED;
×
148
  }
149
  uint64_t h1 = (uint64_t)pSBf->hashFn1(keyBuf, len);
×
150
  uint64_t h2 = (uint64_t)pSBf->hashFn2(keyBuf, len);
×
151
  int32_t  size = taosArrayGetSize(pSBf->bfArray);
×
152
  for (int32_t i = size - 1; i >= 0; --i) {
×
153
    if (tBloomFilterNoContain(taosArrayGetP(pSBf->bfArray, i), h1, h2) != TSDB_CODE_SUCCESS) {
×
154
      return TSDB_CODE_FAILED;
×
155
    }
156
  }
157
  return TSDB_CODE_SUCCESS;
×
158
}
159

160
static int32_t tScalableBfAddFilter(SScalableBf* pSBf, uint64_t expectedEntries, double errorRate,
127,504,162✔
161
                                    SBloomFilter** ppNormalBf) {
162
  int32_t code = TSDB_CODE_SUCCESS;
127,504,162✔
163
  int32_t lino = 0;
127,504,162✔
164
  if (taosArrayGetSize(pSBf->bfArray) >= pSBf->maxBloomFilters) {
127,504,162✔
165
    code = TSDB_CODE_OUT_OF_BUFFER;
35✔
166
    QUERY_CHECK_CODE(code, lino, _error);
35!
167
  }
168

169
  SBloomFilter* pNormalBf = NULL;
127,130,021✔
170
  code = tBloomFilterInit(expectedEntries, errorRate, &pNormalBf);
127,130,021✔
171
  QUERY_CHECK_CODE(code, lino, _error);
122,563,725!
172

173
  if (taosArrayPush(pSBf->bfArray, &pNormalBf) == NULL) {
244,085,552!
174
    tBloomFilterDestroy(pNormalBf);
×
175
    code = terrno;
×
176
    QUERY_CHECK_CODE(code, lino, _error);
×
177
  }
178
  pSBf->numBits += pNormalBf->numBits;
121,518,890✔
179
  (*ppNormalBf) = pNormalBf;
121,518,890✔
180

181
_error:
121,518,925✔
182
  if (code != TSDB_CODE_SUCCESS) {
121,518,925✔
183
    uError("%s failed at line %d since %s", __func__, lino, tstrerror(code));
35!
184
  }
185
  return code;
121,514,979✔
186
}
187

188
void tScalableBfDestroy(SScalableBf* pSBf) {
127,975,191✔
189
  if (pSBf == NULL) {
127,975,191!
190
    return;
×
191
  }
192
  if (pSBf->bfArray != NULL) {
127,975,191!
193
    taosArrayDestroyP(pSBf->bfArray, (FDelete)tBloomFilterDestroy);
127,996,342✔
194
  }
195
  taosMemoryFree(pSBf);
128,311,695✔
196
}
197

198
int32_t tScalableBfEncode(const SScalableBf* pSBf, SEncoder* pEncoder) {
54,605✔
199
  if (!pSBf) {
54,605✔
200
    TAOS_CHECK_RETURN(tEncodeI32(pEncoder, 0));
3,664!
201
    return 0;
3,664✔
202
  }
203
  int32_t size = taosArrayGetSize(pSBf->bfArray);
50,941✔
204
  TAOS_CHECK_RETURN(tEncodeI32(pEncoder, size));
50,939!
205
  for (int32_t i = 0; i < size; i++) {
101,917✔
206
    SBloomFilter* pBF = taosArrayGetP(pSBf->bfArray, i);
50,981✔
207
    TAOS_CHECK_RETURN(tBloomFilterEncode(pBF, pEncoder));
50,955!
208
  }
209
  TAOS_CHECK_RETURN(tEncodeU32(pEncoder, pSBf->growth));
101,872!
210
  TAOS_CHECK_RETURN(tEncodeU64(pEncoder, pSBf->numBits));
101,872!
211
  TAOS_CHECK_RETURN(tEncodeU32(pEncoder, pSBf->maxBloomFilters));
101,872!
212
  TAOS_CHECK_RETURN(tEncodeI8(pEncoder, pSBf->status));
101,872!
213
  return 0;
50,936✔
214
}
215

216
int32_t tScalableBfDecode(SDecoder* pDecoder, SScalableBf** ppSBf) {
27,228✔
217
  int32_t      code = TSDB_CODE_SUCCESS;
27,228✔
218
  int32_t      lino = 0;
27,228✔
219
  SScalableBf* pSBf = taosMemoryCalloc(1, sizeof(SScalableBf));
27,228✔
220
  if (!pSBf) {
27,228!
221
    code = terrno;
×
222
    QUERY_CHECK_CODE(code, lino, _error);
×
223
  }
224
  pSBf->hashFn1 = HASH_FUNCTION_1;
27,228✔
225
  pSBf->hashFn2 = HASH_FUNCTION_2;
27,228✔
226
  pSBf->bfArray = NULL;
27,228✔
227
  int32_t size = 0;
27,228✔
228
  if (tDecodeI32(pDecoder, &size) < 0) {
27,227!
229
    code = terrno;
×
230
    QUERY_CHECK_CODE(code, lino, _error);
×
231
  }
232
  if (size == 0) {
27,227✔
233
    (*ppSBf) = NULL;
1,787✔
234
    tScalableBfDestroy(pSBf);
1,787✔
235
    goto _error;
1,787✔
236
  }
237
  pSBf->bfArray = taosArrayInit(size * 2, POINTER_BYTES);
25,440✔
238
  if (!pSBf->bfArray) {
25,442!
239
    code = terrno;
×
240
    QUERY_CHECK_CODE(code, lino, _error);
×
241
  }
242

243
  for (int32_t i = 0; i < size; i++) {
50,895✔
244
    SBloomFilter* pBF = NULL;
25,454✔
245
    code = tBloomFilterDecode(pDecoder, &pBF);
25,454✔
246
    QUERY_CHECK_CODE(code, lino, _error);
25,453!
247
    void* tmpRes = taosArrayPush(pSBf->bfArray, &pBF);
25,453✔
248
    if (!tmpRes) {
25,453!
249
      code = terrno;
×
250
      QUERY_CHECK_CODE(code, lino, _error);
×
251
    }
252
  }
253
  if (tDecodeU32(pDecoder, &pSBf->growth) < 0) {
50,882!
254
    code = terrno;
×
255
    QUERY_CHECK_CODE(code, lino, _error);
×
256
  }
257
  if (tDecodeU64(pDecoder, &pSBf->numBits) < 0) {
50,882!
258
    code = terrno;
×
259
    QUERY_CHECK_CODE(code, lino, _error);
×
260
  }
261
  if (tDecodeU32(pDecoder, &pSBf->maxBloomFilters) < 0) {
50,882!
262
    code = terrno;
×
263
    QUERY_CHECK_CODE(code, lino, _error);
×
264
  }
265
  if (tDecodeI8(pDecoder, &pSBf->status) < 0) {
50,882!
266
    code = terrno;
×
267
    QUERY_CHECK_CODE(code, lino, _error);
×
268
  }
269
  (*ppSBf) = pSBf;
25,441✔
270

271
_error:
27,228✔
272

273
  if (code != TSDB_CODE_SUCCESS) {
27,228!
274
    tScalableBfDestroy(pSBf);
×
275
    uError("%s failed at line %d since %s", __func__, lino, tstrerror(code));
×
276
  }
277
  return code;
27,228✔
278
}
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