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taosdata / TDengine / #3630

06 Mar 2025 11:35AM UTC coverage: 63.629% (-0.06%) from 63.692%
#3630

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Merge pull request #30042 from taosdata/doc/internal

docs: format

149060 of 300532 branches covered (49.6%)

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233739 of 301077 relevant lines covered (77.63%)

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58.25
/source/dnode/vnode/src/tsdb/tsdbSnapInfo.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
#include "tsdb.h"
17
#include "tsdbFS2.h"
18

19
#define TSDB_SNAP_MSG_VER 1
20

21
// fset partition
22
static int32_t tsdbFSetPartCmprFn(STsdbFSetPartition* x, STsdbFSetPartition* y) {
112✔
23
  if (x->fid < y->fid) return -1;
112✔
24
  if (x->fid > y->fid) return 1;
111!
25
  return 0;
×
26
}
27

28
static int32_t tVersionRangeCmprFn(SVersionRange* x, SVersionRange* y) {
2✔
29
  if (x->minVer < y->minVer) return -1;
2!
30
  if (x->minVer > y->minVer) return 1;
×
31
  if (x->maxVer < y->maxVer) return -1;
×
32
  if (x->maxVer > y->maxVer) return 1;
×
33
  return 0;
×
34
}
35

36
static int32_t tsdbTFileSetRangeCmprFn(STFileSetRange* x, STFileSetRange* y) {
×
37
  if (x->fid < y->fid) return -1;
×
38
  if (x->fid > y->fid) return 1;
×
39
  return 0;
×
40
}
41

42
STsdbFSetPartition* tsdbFSetPartitionCreate() {
92✔
43
  STsdbFSetPartition* pSP = taosMemoryCalloc(1, sizeof(STsdbFSetPartition));
92!
44
  if (pSP == NULL) {
92!
45
    return NULL;
×
46
  }
47
  for (int32_t i = 0; i < TSDB_FSET_RANGE_TYP_MAX; i++) {
552✔
48
    TARRAY2_INIT(&pSP->verRanges[i]);
460✔
49
  }
50
  return pSP;
92✔
51
}
52

53
void tsdbFSetPartitionClear(STsdbFSetPartition** ppSP) {
92✔
54
  if (ppSP == NULL || ppSP[0] == NULL) {
92!
55
    return;
×
56
  }
57
  for (int32_t i = 0; i < TSDB_FSET_RANGE_TYP_MAX; i++) {
552✔
58
    TARRAY2_DESTROY(&ppSP[0]->verRanges[i], NULL);
460!
59
  }
60
  taosMemoryFree(ppSP[0]);
92!
61
  ppSP[0] = NULL;
92✔
62
}
63

64
static int32_t tsdbFTypeToFRangeType(tsdb_ftype_t ftype) {
90✔
65
  switch (ftype) {
90!
66
    case TSDB_FTYPE_HEAD:
30✔
67
      return TSDB_FSET_RANGE_TYP_HEAD;
30✔
68
    case TSDB_FTYPE_DATA:
30✔
69
      return TSDB_FSET_RANGE_TYP_DATA;
30✔
70
    case TSDB_FTYPE_SMA:
30✔
71
      return TSDB_FSET_RANGE_TYP_SMA;
30✔
72
    case TSDB_FTYPE_TOMB:
×
73
      return TSDB_FSET_RANGE_TYP_TOMB;
×
74
    case TSDB_FTYPE_STT:
×
75
      return TSDB_FSET_RANGE_TYP_STT;
×
76
  }
77
  return TSDB_FSET_RANGE_TYP_MAX;
×
78
}
79

80
static int32_t tsdbTFileSetToFSetPartition(STFileSet* fset, STsdbFSetPartition** ppSP) {
92✔
81
  STsdbFSetPartition* p = tsdbFSetPartitionCreate();
92✔
82
  if (p == NULL) {
92!
83
    return terrno;
×
84
  }
85

86
  p->fid = fset->fid;
92✔
87

88
  int32_t code = 0;
92✔
89
  int32_t typ = 0;
92✔
90
  int32_t corrupt = false;
92✔
91
  int32_t count = 0;
92✔
92
  for (int32_t ftype = TSDB_FTYPE_MIN; ftype < TSDB_FTYPE_MAX; ++ftype) {
460✔
93
    if (fset->farr[ftype] == NULL) continue;
368✔
94
    typ = tsdbFTypeToFRangeType(ftype);
90✔
95
    STFile* f = fset->farr[ftype]->f;
90✔
96
    if (f->maxVer > fset->maxVerValid) {
90!
97
      corrupt = true;
×
98
      tsdbError("skip incomplete data file: fid:%d, maxVerValid:%" PRId64 ", minVer:%" PRId64 ", maxVer:%" PRId64
×
99
                ", ftype: %d",
100
                fset->fid, fset->maxVerValid, f->minVer, f->maxVer, ftype);
101
      continue;
×
102
    }
103
    count++;
90✔
104
    SVersionRange vr = {.minVer = f->minVer, .maxVer = f->maxVer};
90✔
105
    code = TARRAY2_SORT_INSERT(&p->verRanges[typ], vr, tVersionRangeCmprFn);
90✔
106
    if (code) {
90!
107
      tsdbFSetPartitionClear(&p);
×
108
      return code;
×
109
    }
110
  }
111

112
  typ = TSDB_FSET_RANGE_TYP_STT;
92✔
113
  const SSttLvl* lvl;
114
  TARRAY2_FOREACH(fset->lvlArr, lvl) {
175✔
115
    STFileObj* fobj;
116
    TARRAY2_FOREACH(lvl->fobjArr, fobj) {
166✔
117
      STFile* f = fobj->f;
83✔
118
      if (f->maxVer > fset->maxVerValid) {
83!
119
        corrupt = true;
×
120
        tsdbError("skip incomplete stt file.fid:%d, maxVerValid:%" PRId64 ", minVer:%" PRId64 ", maxVer:%" PRId64
×
121
                  ", ftype: %d",
122
                  fset->fid, fset->maxVerValid, f->minVer, f->maxVer, typ);
123
        continue;
×
124
      }
125
      count++;
83✔
126
      SVersionRange vr = {.minVer = f->minVer, .maxVer = f->maxVer};
83✔
127
      code = TARRAY2_SORT_INSERT(&p->verRanges[typ], vr, tVersionRangeCmprFn);
83✔
128
      if (code) {
83!
129
        tsdbFSetPartitionClear(&p);
×
130
        return code;
×
131
      }
132
    }
133
  }
134
  if (corrupt && count == 0) {
92!
135
    SVersionRange vr = {.minVer = VERSION_MIN, .maxVer = fset->maxVerValid};
×
136
    code = TARRAY2_SORT_INSERT(&p->verRanges[typ], vr, tVersionRangeCmprFn);
×
137
    if (code) {
×
138
      tsdbFSetPartitionClear(&p);
×
139
      return code;
×
140
    }
141
  }
142
  ppSP[0] = p;
92✔
143
  return 0;
92✔
144
}
145

146
// fset partition list
147
STsdbFSetPartList* tsdbFSetPartListCreate() {
230✔
148
  STsdbFSetPartList* pList = taosMemoryCalloc(1, sizeof(STsdbFSetPartList));
230!
149
  if (pList == NULL) {
230!
150
    return NULL;
×
151
  }
152
  TARRAY2_INIT(pList);
230✔
153
  return pList;
230✔
154
}
155

156
void tsdbFSetPartListDestroy(STsdbFSetPartList** ppList) {
230✔
157
  if (ppList == NULL || ppList[0] == NULL) return;
230!
158

159
  TARRAY2_DESTROY(ppList[0], tsdbFSetPartitionClear);
322!
160
  taosMemoryFree(ppList[0]);
230!
161
  ppList[0] = NULL;
230✔
162
}
163

164
int32_t tsdbFSetPartListToRangeDiff(STsdbFSetPartList* pList, TFileSetRangeArray** ppRanges) {
115✔
165
  int32_t code = 0;
115✔
166

167
  TFileSetRangeArray* pDiff = taosMemoryCalloc(1, sizeof(TFileSetRangeArray));
115!
168
  if (pDiff == NULL) {
115!
169
    code = terrno;
×
170
    goto _err;
×
171
  }
172
  TARRAY2_INIT(pDiff);
115✔
173

174
  STsdbFSetPartition* part;
175
  TARRAY2_FOREACH(pList, part) {
115!
176
    STFileSetRange* r = taosMemoryCalloc(1, sizeof(STFileSetRange));
×
177
    if (r == NULL) {
×
178
      code = terrno;
×
179
      goto _err;
×
180
    }
181
    int64_t maxVerValid = -1;
×
182
    int32_t typMax = TSDB_FSET_RANGE_TYP_MAX;
×
183
    for (int32_t i = 0; i < typMax; i++) {
×
184
      SVerRangeList* iList = &part->verRanges[i];
×
185
      SVersionRange  vr = {0};
×
186
      TARRAY2_FOREACH(iList, vr) {
×
187
        if (vr.maxVer < vr.minVer) {
×
188
          continue;
×
189
        }
190
        maxVerValid = TMAX(maxVerValid, vr.maxVer);
×
191
      }
192
    }
193
    r->fid = part->fid;
×
194
    r->sver = maxVerValid + 1;
×
195
    r->ever = VERSION_MAX;
×
196
    tsdbDebug("range diff fid:%" PRId64 ", sver:%" PRId64 ", ever:%" PRId64, part->fid, r->sver, r->ever);
×
197
    code = TARRAY2_SORT_INSERT(pDiff, r, tsdbTFileSetRangeCmprFn);
×
198
    if (code) {
×
199
      taosMemoryFree(r);
×
200
      goto _err;
×
201
    }
202
  }
203
  ppRanges[0] = pDiff;
115✔
204

205
  tsdbInfo("pDiff size:%d", TARRAY2_SIZE(pDiff));
115!
206
  return 0;
115✔
207

208
_err:
×
209
  if (pDiff) {
×
210
    tsdbTFileSetRangeArrayDestroy(&pDiff);
×
211
  }
212
  return code;
×
213
}
214

215
// serialization
216
int32_t tTsdbFSetPartListDataLenCalc(STsdbFSetPartList* pList) {
115✔
217
  int32_t hdrLen = sizeof(int32_t);
115✔
218
  int32_t datLen = 0;
115✔
219

220
  int8_t  msgVer = 1;
115✔
221
  int32_t len = TARRAY2_SIZE(pList);
115✔
222
  hdrLen += sizeof(msgVer);
115✔
223
  hdrLen += sizeof(len);
115✔
224
  datLen += hdrLen;
115✔
225

226
  for (int32_t u = 0; u < len; u++) {
207✔
227
    STsdbFSetPartition* p = TARRAY2_GET(pList, u);
92✔
228
    int32_t             typMax = TSDB_FSET_RANGE_TYP_MAX;
92✔
229
    int32_t             uItem = 0;
92✔
230
    uItem += sizeof(STsdbFSetPartition);
92✔
231
    uItem += sizeof(typMax);
92✔
232

233
    for (int32_t i = 0; i < typMax; i++) {
552✔
234
      int32_t iLen = TARRAY2_SIZE(&p->verRanges[i]);
460✔
235
      int32_t jItem = 0;
460✔
236
      jItem += sizeof(SVersionRange);
460✔
237
      jItem += sizeof(int64_t);
460✔
238
      uItem += sizeof(iLen) + jItem * iLen;
460✔
239
    }
240
    datLen += uItem;
92✔
241
  }
242
  return datLen;
115✔
243
}
244

245
static int32_t tSerializeTsdbFSetPartList(void* buf, int32_t bufLen, STsdbFSetPartList* pList, int32_t* encodeSize) {
115✔
246
  SEncoder encoder = {0};
115✔
247
  int8_t   reserved8 = 0;
115✔
248
  int16_t  reserved16 = 0;
115✔
249
  int64_t  reserved64 = 0;
115✔
250
  int8_t   msgVer = TSDB_SNAP_MSG_VER;
115✔
251
  int32_t  len = TARRAY2_SIZE(pList);
115✔
252
  int32_t  code = 0;
115✔
253

254
  tEncoderInit(&encoder, buf, bufLen);
115✔
255
  if ((code = tStartEncode(&encoder))) goto _exit;
115!
256
  if ((code = tEncodeI8(&encoder, msgVer))) goto _exit;
230!
257
  if ((code = tEncodeI32(&encoder, len))) goto _exit;
115!
258

259
  for (int32_t u = 0; u < len; u++) {
207✔
260
    STsdbFSetPartition* p = TARRAY2_GET(pList, u);
92✔
261
    if ((code = tEncodeI64(&encoder, p->fid))) goto _exit;
184!
262
    if ((code = tEncodeI8(&encoder, p->stat))) goto _exit;
184!
263
    if ((code = tEncodeI8(&encoder, reserved8))) goto _exit;
184!
264
    if ((code = tEncodeI16(&encoder, reserved16))) goto _exit;
184!
265

266
    int32_t typMax = TSDB_FSET_RANGE_TYP_MAX;
92!
267
    if ((code = tEncodeI32(&encoder, typMax))) goto _exit;
92!
268

269
    for (int32_t i = 0; i < typMax; i++) {
552✔
270
      SVerRangeList* iList = &p->verRanges[i];
460✔
271
      int32_t        iLen = TARRAY2_SIZE(iList);
460!
272

273
      if ((code = tEncodeI32(&encoder, iLen))) goto _exit;
460!
274
      for (int32_t j = 0; j < iLen; j++) {
633✔
275
        SVersionRange r = TARRAY2_GET(iList, j);
173✔
276
        if ((code = tEncodeI64(&encoder, r.minVer))) goto _exit;
346!
277
        if ((code = tEncodeI64(&encoder, r.maxVer))) goto _exit;
346!
278
        if ((code = tEncodeI64(&encoder, reserved64))) goto _exit;
173!
279
      }
280
    }
281
  }
282

283
  tEndEncode(&encoder);
115✔
284

285
  if (encodeSize) {
115!
286
    encodeSize[0] = encoder.pos;
115✔
287
  }
288

289
_exit:
×
290
  tEncoderClear(&encoder);
115✔
291
  return code;
115✔
292
}
293

294
int32_t tDeserializeTsdbFSetPartList(void* buf, int32_t bufLen, STsdbFSetPartList* pList) {
115✔
295
  SDecoder decoder = {0};
115✔
296
  int8_t   reserved8 = 0;
115✔
297
  int16_t  reserved16 = 0;
115✔
298
  int64_t  reserved64 = 0;
115✔
299
  int32_t  code = 0;
115✔
300

301
  STsdbFSetPartition* p = NULL;
115✔
302

303
  tDecoderInit(&decoder, buf, bufLen);
115✔
304
  int8_t  msgVer = 0;
115✔
305
  int32_t len = 0;
115✔
306
  if ((code = tStartDecode(&decoder))) goto _err;
115!
307
  if ((code = tDecodeI8(&decoder, &msgVer))) goto _err;
115!
308
  if (msgVer != TSDB_SNAP_MSG_VER) {
115!
309
    code = TSDB_CODE_INVALID_MSG;
×
310
    goto _err;
×
311
  }
312
  if ((code = tDecodeI32(&decoder, &len))) goto _err;
115!
313

314
  for (int32_t u = 0; u < len; u++) {
115!
315
    p = tsdbFSetPartitionCreate();
×
316
    if (p == NULL) {
×
317
      code = terrno;
×
318
      goto _err;
×
319
    }
320

321
    if ((code = tDecodeI64(&decoder, &p->fid))) goto _err;
×
322
    if ((code = tDecodeI8(&decoder, &p->stat))) goto _err;
×
323
    if ((code = tDecodeI8(&decoder, &reserved8))) goto _err;
×
324
    if ((code = tDecodeI16(&decoder, &reserved16))) goto _err;
×
325

326
    int32_t typMax = 0;
×
327
    if ((code = tDecodeI32(&decoder, &typMax))) goto _err;
×
328

329
    for (int32_t i = 0; i < typMax; i++) {
×
330
      SVerRangeList* iList = &p->verRanges[i];
×
331
      int32_t        iLen = 0;
×
332
      if ((code = tDecodeI32(&decoder, &iLen))) goto _err;
×
333
      for (int32_t j = 0; j < iLen; j++) {
×
334
        SVersionRange r = {0};
×
335
        if ((code = tDecodeI64(&decoder, &r.minVer))) goto _err;
×
336
        if ((code = tDecodeI64(&decoder, &r.maxVer))) goto _err;
×
337
        if ((code = tDecodeI64(&decoder, &reserved64))) goto _err;
×
338
        if ((code = TARRAY2_APPEND(iList, r))) goto _err;
×
339
      }
340
    }
341
    if ((code = TARRAY2_APPEND(pList, p))) goto _err;
×
342
    p = NULL;
×
343
  }
344

345
  tEndDecode(&decoder);
115✔
346
  tDecoderClear(&decoder);
115✔
347
  return 0;
115✔
348

349
_err:
×
350
  if (p) {
×
351
    tsdbFSetPartitionClear(&p);
×
352
  }
353
  tDecoderClear(&decoder);
×
354
  return code;
×
355
}
356

357
// fs state
358
static STsdbFSetPartList* tsdbSnapGetFSetPartList(STFileSystem* fs) {
115✔
359
  STsdbFSetPartList* pList = tsdbFSetPartListCreate();
115✔
360
  if (pList == NULL) {
115!
361
    return NULL;
×
362
  }
363

364
  int32_t code = 0;
115✔
365
  (void)taosThreadMutexLock(&fs->tsdb->mutex);
115✔
366
  STFileSet* fset;
367
  TARRAY2_FOREACH(fs->fSetArr, fset) {
207✔
368
    STsdbFSetPartition* pItem = NULL;
92✔
369
    code = tsdbTFileSetToFSetPartition(fset, &pItem);
92✔
370
    if (code) {
92!
371
      terrno = code;
×
372
      break;
×
373
    }
374
    code = TARRAY2_SORT_INSERT(pList, pItem, tsdbFSetPartCmprFn);
92✔
375
    if (code) {
92!
376
      terrno = code;
×
377
      break;
×
378
    }
379
  }
380
  (void)taosThreadMutexUnlock(&fs->tsdb->mutex);
115✔
381

382
  if (code) {
115!
383
    TARRAY2_DESTROY(pList, tsdbFSetPartitionClear);
×
384
    taosMemoryFree(pList);
×
385
    pList = NULL;
×
386
  }
387
  return pList;
115✔
388
}
389

390
ETsdbFsState tsdbSnapGetFsState(SVnode* pVnode) {
432,190✔
391
  if (!VND_IS_RSMA(pVnode)) {
432,190✔
392
    return pVnode->pTsdb->pFS->fsstate;
431,738✔
393
  }
394
  for (int32_t lvl = 0; lvl < TSDB_RETENTION_MAX; ++lvl) {
1,874✔
395
    STsdb* pTsdb = SMA_RSMA_GET_TSDB(pVnode, lvl);
1,422✔
396
    if (pTsdb && pTsdb->pFS->fsstate != TSDB_FS_STATE_NORMAL) {
1,422!
397
      return TSDB_FS_STATE_INCOMPLETE;
×
398
    }
399
  }
400
  return TSDB_FS_STATE_NORMAL;
452✔
401
}
402

403
// description
404
typedef struct STsdbPartitionInfo {
405
  int32_t            vgId;
406
  int32_t            tsdbMaxCnt;
407
  int32_t            subTyps[TSDB_RETENTION_MAX];
408
  STsdbFSetPartList* pLists[TSDB_RETENTION_MAX];
409
} STsdbPartitionInfo;
410

411
static int32_t tsdbPartitionInfoInit(SVnode* pVnode, STsdbPartitionInfo* pInfo) {
115✔
412
  int32_t subTyps[TSDB_RETENTION_MAX] = {SNAP_DATA_TSDB, SNAP_DATA_RSMA1, SNAP_DATA_RSMA2};
115✔
413
  pInfo->vgId = TD_VID(pVnode);
115✔
414
  pInfo->tsdbMaxCnt = (!VND_IS_RSMA(pVnode) ? 1 : TSDB_RETENTION_MAX);
115!
415

416
  if (!(sizeof(pInfo->subTyps) == sizeof(subTyps))) {
417
    return TSDB_CODE_INVALID_PARA;
418
  }
419
  memcpy(pInfo->subTyps, (char*)subTyps, sizeof(subTyps));
115✔
420

421
  // fset partition list
422
  memset(pInfo->pLists, 0, sizeof(pInfo->pLists[0]) * TSDB_RETENTION_MAX);
115✔
423
  for (int32_t j = 0; j < pInfo->tsdbMaxCnt; ++j) {
230✔
424
    STsdb* pTsdb = SMA_RSMA_GET_TSDB(pVnode, j);
115!
425
    pInfo->pLists[j] = tsdbSnapGetFSetPartList(pTsdb->pFS);
115✔
426
    if (pInfo->pLists[j] == NULL) {
115!
427
      return terrno;
×
428
    }
429
  }
430
  return 0;
115✔
431
}
432

433
static void tsdbPartitionInfoClear(STsdbPartitionInfo* pInfo) {
115✔
434
  for (int32_t j = 0; j < pInfo->tsdbMaxCnt; ++j) {
230✔
435
    if (pInfo->pLists[j] == NULL) continue;
115!
436
    tsdbFSetPartListDestroy(&pInfo->pLists[j]);
115✔
437
  }
438
}
115✔
439

440
static int32_t tsdbPartitionInfoEstSize(STsdbPartitionInfo* pInfo) {
115✔
441
  int32_t dataLen = 0;
115✔
442
  for (int32_t j = 0; j < pInfo->tsdbMaxCnt; ++j) {
230✔
443
    dataLen += sizeof(SSyncTLV);  // subTyps[j]
115✔
444
    dataLen += tTsdbFSetPartListDataLenCalc(pInfo->pLists[j]);
115✔
445
  }
446
  return dataLen;
115✔
447
}
448

449
static int32_t tsdbPartitionInfoSerialize(STsdbPartitionInfo* pInfo, uint8_t* buf, int32_t bufLen) {
115✔
450
  int32_t tlen = 0;
115✔
451
  int32_t offset = 0;
115✔
452
  for (int32_t j = 0; j < pInfo->tsdbMaxCnt; ++j) {
230✔
453
    SSyncTLV* pSubHead = (void*)((char*)buf + offset);
115✔
454
    int32_t   valOffset = offset + sizeof(*pSubHead);
115✔
455
    int32_t   code = tSerializeTsdbFSetPartList(pSubHead->val, bufLen - valOffset, pInfo->pLists[j], &tlen);
115✔
456
    if (code) {
115!
457
      tsdbError("vgId:%d, failed to serialize fset partition list of tsdb %d since %s", pInfo->vgId, j, terrstr());
×
458
      return code;
×
459
    }
460
    pSubHead->typ = pInfo->subTyps[j];
115✔
461
    pSubHead->len = tlen;
115✔
462
    offset += sizeof(*pSubHead) + tlen;
115✔
463
  }
464
  return offset;
115✔
465
}
466

467
// tsdb replication opts
468
static int32_t tTsdbRepOptsDataLenCalc(STsdbRepOpts* pInfo) {
115✔
469
  int32_t hdrLen = sizeof(int32_t);
115✔
470
  int32_t datLen = 0;
115✔
471

472
  int8_t  msgVer = 0;
115✔
473
  int64_t reserved64 = 0;
115✔
474
  int16_t format = 0;
115✔
475
  hdrLen += sizeof(msgVer);
115✔
476
  datLen += hdrLen;
115✔
477
  datLen += sizeof(format);
115✔
478
  datLen += sizeof(reserved64);
115✔
479
  datLen += sizeof(*pInfo);
115✔
480
  return datLen;
115✔
481
}
482

483
int32_t tSerializeTsdbRepOpts(void* buf, int32_t bufLen, STsdbRepOpts* pOpts) {
115✔
484
  int32_t  code = 0;
115✔
485
  SEncoder encoder = {0};
115✔
486
  int64_t  reserved64 = 0;
115✔
487
  int8_t   msgVer = TSDB_SNAP_MSG_VER;
115✔
488

489
  tEncoderInit(&encoder, buf, bufLen);
115✔
490

491
  if ((code = tStartEncode(&encoder))) goto _err;
115!
492
  if ((code = tEncodeI8(&encoder, msgVer))) goto _err;
230!
493
  int16_t format = pOpts->format;
115✔
494
  if ((code = tEncodeI16(&encoder, format))) goto _err;
230!
495
  if ((code = tEncodeI64(&encoder, reserved64))) goto _err;
115!
496

497
  tEndEncode(&encoder);
115✔
498
  int32_t tlen = encoder.pos;
115✔
499
  tEncoderClear(&encoder);
115✔
500
  return tlen;
115✔
501

502
_err:
×
503
  tEncoderClear(&encoder);
×
504
  return code;
×
505
}
506

507
int32_t tDeserializeTsdbRepOpts(void* buf, int32_t bufLen, STsdbRepOpts* pOpts) {
172✔
508
  int32_t  code;
509
  SDecoder decoder = {0};
172✔
510
  int64_t  reserved64 = 0;
172✔
511
  int8_t   msgVer = 0;
172✔
512

513
  tDecoderInit(&decoder, buf, bufLen);
172✔
514

515
  if ((code = tStartDecode(&decoder))) goto _err;
172!
516
  if ((code = tDecodeI8(&decoder, &msgVer))) goto _err;
172!
517
  if (msgVer != TSDB_SNAP_MSG_VER) goto _err;
172!
518
  int16_t format = 0;
172✔
519
  if ((code = tDecodeI16(&decoder, &format))) goto _err;
172!
520
  pOpts->format = format;
172✔
521
  if ((code = tDecodeI64(&decoder, &reserved64))) goto _err;
172!
522

523
  tEndDecode(&decoder);
172✔
524
  tDecoderClear(&decoder);
172✔
525
  return 0;
172✔
526

527
_err:
×
528
  tDecoderClear(&decoder);
×
529
  return code;
×
530
}
531

532
static int32_t tsdbRepOptsEstSize(STsdbRepOpts* pOpts) {
115✔
533
  int32_t dataLen = 0;
115✔
534
  dataLen += sizeof(SSyncTLV);
115✔
535
  dataLen += tTsdbRepOptsDataLenCalc(pOpts);
115✔
536
  return dataLen;
115✔
537
}
538

539
static int32_t tsdbRepOptsSerialize(STsdbRepOpts* pOpts, void* buf, int32_t bufLen) {
115✔
540
  SSyncTLV* pSubHead = buf;
115✔
541
  int32_t   offset = 0;
115✔
542
  int32_t   tlen = 0;
115✔
543
  if ((tlen = tSerializeTsdbRepOpts(pSubHead->val, bufLen, pOpts)) < 0) {
115!
544
    return tlen;
×
545
  }
546
  pSubHead->typ = SNAP_DATA_RAW;
115✔
547
  pSubHead->len = tlen;
115✔
548
  offset += sizeof(*pSubHead) + tlen;
115✔
549
  return offset;
115✔
550
}
551

552
// snap info
553
static int32_t tsdbSnapPrepDealWithSnapInfo(SVnode* pVnode, SSnapshot* pSnap, STsdbRepOpts* pInfo) {
57✔
554
  if (!pSnap->data) {
57!
555
    return 0;
×
556
  }
557
  int32_t code = 0;
57✔
558

559
  SSyncTLV* pHead = (void*)pSnap->data;
57✔
560
  int32_t   offset = 0;
57✔
561

562
  while (offset + sizeof(*pHead) < pHead->len) {
171✔
563
    SSyncTLV* pField = (void*)(pHead->val + offset);
114✔
564
    offset += sizeof(*pField) + pField->len;
114✔
565
    void*   buf = pField->val;
114✔
566
    int32_t bufLen = pField->len;
114✔
567

568
    switch (pField->typ) {
114!
569
      case SNAP_DATA_TSDB:
57✔
570
      case SNAP_DATA_RSMA1:
571
      case SNAP_DATA_RSMA2: {
572
      } break;
57✔
573
      case SNAP_DATA_RAW: {
57✔
574
        code = tDeserializeTsdbRepOpts(buf, bufLen, pInfo);
57✔
575
        if (code < 0) {
57!
576
          tsdbError("vgId:%d, failed to deserialize tsdb rep opts since %s", TD_VID(pVnode), terrstr());
×
577
          return code;
×
578
        }
579
      } break;
57✔
580
      default:
×
581
        code = TSDB_CODE_INVALID_MSG;
×
582
        tsdbError("vgId:%d, unexpected subfield type of snap info. typ:%d", TD_VID(pVnode), pField->typ);
×
583
        return code;
×
584
    }
585
  }
586

587
  return code;
57✔
588
}
589

590
int32_t tsdbSnapPrepDescription(SVnode* pVnode, SSnapshot* pSnap) {
115✔
591
  STsdbPartitionInfo  partitionInfo = {0};
115✔
592
  int                 code = 0;
115✔
593
  STsdbPartitionInfo* pInfo = &partitionInfo;
115✔
594

595
  code = tsdbPartitionInfoInit(pVnode, pInfo);
115✔
596
  if (code) {
115!
597
    goto _out;
×
598
  }
599

600
  // deal with snap info for reply
601
  STsdbRepOpts opts = {.format = TSDB_SNAP_REP_FMT_RAW};
115✔
602
  if (pSnap->type == TDMT_SYNC_PREP_SNAPSHOT_REPLY) {
115✔
603
    STsdbRepOpts leaderOpts = {0};
57✔
604
    if ((code = tsdbSnapPrepDealWithSnapInfo(pVnode, pSnap, &leaderOpts)) < 0) {
57!
605
      tsdbError("vgId:%d, failed to deal with snap info for reply since %s", TD_VID(pVnode), terrstr());
×
606
      goto _out;
×
607
    }
608
    opts.format = TMIN(opts.format, leaderOpts.format);
57✔
609
  }
610

611
  // info data realloc
612
  const int32_t headLen = sizeof(SSyncTLV);
115✔
613
  int32_t       bufLen = headLen;
115✔
614
  bufLen += tsdbPartitionInfoEstSize(pInfo);
115✔
615
  bufLen += tsdbRepOptsEstSize(&opts);
115✔
616
  if ((code = syncSnapInfoDataRealloc(pSnap, bufLen)) != 0) {
115!
617
    tsdbError("vgId:%d, failed to realloc memory for data of snap info. bytes:%d", TD_VID(pVnode), bufLen);
×
618
    goto _out;
×
619
  }
620

621
  // serialization
622
  char*   buf = (void*)pSnap->data;
115✔
623
  int32_t offset = headLen;
115✔
624
  int32_t tlen = 0;
115✔
625

626
  if ((tlen = tsdbPartitionInfoSerialize(pInfo, (uint8_t*)(buf + offset), bufLen - offset)) < 0) {
115!
627
    code = tlen;
×
628
    tsdbError("vgId:%d, failed to serialize tsdb partition info since %s", TD_VID(pVnode), terrstr());
×
629
    goto _out;
×
630
  }
631
  offset += tlen;
115✔
632

633
  if ((tlen = tsdbRepOptsSerialize(&opts, buf + offset, bufLen - offset)) < 0) {
115!
634
    code = tlen;
×
635
    tsdbError("vgId:%d, failed to serialize tsdb rep opts since %s", TD_VID(pVnode), terrstr());
×
636
    goto _out;
×
637
  }
638
  offset += tlen;
115✔
639

640
  // set header of info data
641
  SSyncTLV* pHead = pSnap->data;
115✔
642
  pHead->typ = pSnap->type;
115✔
643
  pHead->len = offset - headLen;
115✔
644

645
  tsdbInfo("vgId:%d, tsdb snap info prepared. type:%s, val length:%d", TD_VID(pVnode), TMSG_INFO(pHead->typ),
115!
646
           pHead->len);
647

648
_out:
×
649
  tsdbPartitionInfoClear(pInfo);
115✔
650
  return code;
115✔
651
}
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