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taosdata / TDengine / #3562

20 Dec 2024 09:57AM UTC coverage: 26.655% (-32.2%) from 58.812%
#3562

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Merge pull request #29229 from taosdata/enh/TS-5749-3.0

enh: seperate tsdb async tasks to different thread pools

21498 of 109421 branches covered (19.65%)

Branch coverage included in aggregate %.

66 of 96 new or added lines in 7 files covered. (68.75%)

39441 existing lines in 157 files now uncovered.

35007 of 102566 relevant lines covered (34.13%)

53922.97 hits per line

Source File
Press 'n' to go to next uncovered line, 'b' for previous

15.84
/include/util/tcoding.h
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
#ifndef _TD_UTIL_CODING_H_
17
#define _TD_UTIL_CODING_H_
18

19
#include "os.h"
20
#include "tlog.h"
21

22
#ifdef __cplusplus
23
extern "C" {
24
#endif
25

26
#define ENCODE_LIMIT  (((uint8_t)1) << 7)
27
#define ZIGZAGE(T, v) (((u##T)((v) >> (sizeof(T) * 8 - 1))) ^ (((u##T)(v)) << 1))  // zigzag encode
28
#define ZIGZAGD(T, v) (((v) >> 1) ^ -((T)((v)&1)))                                 // zigzag decode
29

30
/* ------------------------ LEGACY CODES ------------------------ */
31
#if 1
32
// ---- Fixed U8
33
static FORCE_INLINE int32_t taosEncodeFixedU8(void **buf, uint8_t value) {
34
  if (buf != NULL) {
35
    ((uint8_t *)(*buf))[0] = value;
36
    *buf = POINTER_SHIFT(*buf, sizeof(value));
37
  }
38

39
  return (int32_t)sizeof(value);
40
}
41

42
static FORCE_INLINE void *taosDecodeFixedU8(const void *buf, uint8_t *value) {
43
  *value = ((uint8_t *)buf)[0];
44
  return POINTER_SHIFT(buf, sizeof(*value));
45
}
46

47
// ---- Fixed I8
48
static FORCE_INLINE int32_t taosEncodeFixedI8(void **buf, int8_t value) {
49
  if (buf != NULL) {
50!
50
    ((int8_t *)(*buf))[0] = value;
25✔
51
    *buf = POINTER_SHIFT(*buf, sizeof(value));
25✔
52
  }
53
  return (int32_t)sizeof(value);
50✔
54
}
55

56
static FORCE_INLINE void *taosDecodeFixedI8(const void *buf, int8_t *value) {
UNCOV
57
  *value = ((int8_t *)buf)[0];
×
UNCOV
58
  return POINTER_SHIFT(buf, sizeof(*value));
×
59
}
60

61
static FORCE_INLINE void *taosSkipFixedLen(const void *buf, size_t len) { return POINTER_SHIFT(buf, len); }
62

63
// --- Bool
64

65
static FORCE_INLINE int32_t taosEncodeFixedBool(void **buf, bool value) {
UNCOV
66
  if (buf != NULL) {
×
UNCOV
67
    ((int8_t *)(*buf))[0] = (value ? 1 : 0);
×
UNCOV
68
    *buf = POINTER_SHIFT(*buf, sizeof(int8_t));
×
69
  }
UNCOV
70
  return (int32_t)sizeof(int8_t);
×
71
}
72

73
static FORCE_INLINE void *taosDecodeFixedBool(const void *buf, bool *value) {
UNCOV
74
  *value = ((((int8_t *)buf)[0] == 0) ? false : true);
×
UNCOV
75
  return POINTER_SHIFT(buf, sizeof(int8_t));
×
76
}
77

78
// ---- Fixed U16
79
static FORCE_INLINE int32_t taosEncodeFixedU16(void **buf, uint16_t value) {
UNCOV
80
  if (buf != NULL) {
×
UNCOV
81
    if (IS_LITTLE_ENDIAN()) {
×
UNCOV
82
      TAOS_MEMCPY(*buf, &value, sizeof(value));
×
83
    } else {
84
      ((uint8_t *)(*buf))[0] = value & 0xff;
×
85
      ((uint8_t *)(*buf))[1] = (value >> 8) & 0xff;
×
86
    }
UNCOV
87
    *buf = POINTER_SHIFT(*buf, sizeof(value));
×
88
  }
89

UNCOV
90
  return (int32_t)sizeof(value);
×
91
}
92

93
static FORCE_INLINE void *taosDecodeFixedU16(const void *buf, uint16_t *value) {
UNCOV
94
  if (IS_LITTLE_ENDIAN()) {
×
UNCOV
95
    TAOS_MEMCPY(value, buf, sizeof(*value));
×
96
  } else {
97
    ((uint8_t *)value)[1] = ((uint8_t *)buf)[0];
×
98
    ((uint8_t *)value)[0] = ((uint8_t *)buf)[1];
×
99
  }
100

UNCOV
101
  return POINTER_SHIFT(buf, sizeof(*value));
×
102
}
103

104
// ---- Fixed I16
105
static FORCE_INLINE int32_t taosEncodeFixedI16(void **buf, int16_t value) {
UNCOV
106
  return taosEncodeFixedU16(buf, ZIGZAGE(int16_t, value));
×
107
}
108

109
static FORCE_INLINE void *taosDecodeFixedI16(const void *buf, int16_t *value) {
UNCOV
110
  uint16_t tvalue = 0;
×
UNCOV
111
  void    *ret = taosDecodeFixedU16(buf, &tvalue);
×
UNCOV
112
  *value = ZIGZAGD(int16_t, tvalue);
×
UNCOV
113
  return ret;
×
114
}
115

116
// ---- Fixed U32
117
static FORCE_INLINE int32_t taosEncodeFixedU32(void **buf, uint32_t value) {
118
  if (buf != NULL) {
96!
119
    if (IS_LITTLE_ENDIAN()) {
76!
120
      TAOS_MEMCPY(*buf, &value, sizeof(value));
76✔
121
    } else {
122
      ((uint8_t *)(*buf))[0] = value & 0xff;
×
123
      ((uint8_t *)(*buf))[1] = (value >> 8) & 0xff;
×
124
      ((uint8_t *)(*buf))[2] = (value >> 16) & 0xff;
×
125
      ((uint8_t *)(*buf))[3] = (value >> 24) & 0xff;
×
126
    }
127
    *buf = POINTER_SHIFT(*buf, sizeof(value));
76✔
128
  }
129

130
  return (int32_t)sizeof(value);
96✔
131
}
132

133
static FORCE_INLINE void *taosDecodeFixedU32(const void *buf, uint32_t *value) {
134
  if (IS_LITTLE_ENDIAN()) {
10!
135
    TAOS_MEMCPY(value, buf, sizeof(*value));
10✔
136
  } else {
UNCOV
137
    ((uint8_t *)value)[3] = ((uint8_t *)buf)[0];
×
UNCOV
138
    ((uint8_t *)value)[2] = ((uint8_t *)buf)[1];
×
UNCOV
139
    ((uint8_t *)value)[1] = ((uint8_t *)buf)[2];
×
UNCOV
140
    ((uint8_t *)value)[0] = ((uint8_t *)buf)[3];
×
141
  }
142

143
  return POINTER_SHIFT(buf, sizeof(*value));
10✔
144
}
145

146
// ---- Fixed I32
147
static FORCE_INLINE int32_t taosEncodeFixedI32(void **buf, int32_t value) {
148
  return taosEncodeFixedU32(buf, ZIGZAGE(int32_t, value));
80!
149
}
150

151
static FORCE_INLINE void *taosDecodeFixedI32(const void *buf, int32_t *value) {
UNCOV
152
  uint32_t tvalue = 0;
×
UNCOV
153
  void    *ret = taosDecodeFixedU32(buf, &tvalue);
×
UNCOV
154
  *value = ZIGZAGD(int32_t, tvalue);
×
UNCOV
155
  return ret;
×
156
}
157

158
// ---- Fixed U64
159
static FORCE_INLINE int32_t taosEncodeFixedU64(void **buf, uint64_t value) {
160
  if (buf != NULL) {
42!
161
    if (IS_LITTLE_ENDIAN()) {
37!
162
      TAOS_MEMCPY(*buf, &value, sizeof(value));
37✔
163
    } else {
164
      ((uint8_t *)(*buf))[0] = value & 0xff;
×
165
      ((uint8_t *)(*buf))[1] = (value >> 8) & 0xff;
×
166
      ((uint8_t *)(*buf))[2] = (value >> 16) & 0xff;
×
167
      ((uint8_t *)(*buf))[3] = (value >> 24) & 0xff;
×
168
      ((uint8_t *)(*buf))[4] = (value >> 32) & 0xff;
×
169
      ((uint8_t *)(*buf))[5] = (value >> 40) & 0xff;
×
170
      ((uint8_t *)(*buf))[6] = (value >> 48) & 0xff;
×
171
      ((uint8_t *)(*buf))[7] = (value >> 56) & 0xff;
×
172
    }
173

174
    *buf = POINTER_SHIFT(*buf, sizeof(value));
37✔
175
  }
176

177
  return (int32_t)sizeof(value);
42✔
178
}
179

180
static FORCE_INLINE void *taosDecodeFixedU64(const void *buf, uint64_t *value) {
181
  if (IS_LITTLE_ENDIAN()) {
32!
182
    TAOS_MEMCPY(value, buf, sizeof(*value));
32✔
183
  } else {
UNCOV
184
    ((uint8_t *)value)[7] = ((uint8_t *)buf)[0];
×
UNCOV
185
    ((uint8_t *)value)[6] = ((uint8_t *)buf)[1];
×
UNCOV
186
    ((uint8_t *)value)[5] = ((uint8_t *)buf)[2];
×
UNCOV
187
    ((uint8_t *)value)[4] = ((uint8_t *)buf)[3];
×
UNCOV
188
    ((uint8_t *)value)[3] = ((uint8_t *)buf)[4];
×
UNCOV
189
    ((uint8_t *)value)[2] = ((uint8_t *)buf)[5];
×
UNCOV
190
    ((uint8_t *)value)[1] = ((uint8_t *)buf)[6];
×
UNCOV
191
    ((uint8_t *)value)[0] = ((uint8_t *)buf)[7];
×
192
  }
193

194
  return POINTER_SHIFT(buf, sizeof(*value));
32✔
195
}
196

197
// ---- Fixed I64
198
static FORCE_INLINE int32_t taosEncodeFixedI64(void **buf, int64_t value) {
199
  return taosEncodeFixedU64(buf, ZIGZAGE(int64_t, value));
20!
200
}
201

202
static FORCE_INLINE void *taosDecodeFixedI64(const void *buf, int64_t *value) {
UNCOV
203
  uint64_t tvalue = 0;
×
UNCOV
204
  void    *ret = taosDecodeFixedU64(buf, &tvalue);
×
UNCOV
205
  *value = ZIGZAGD(int64_t, tvalue);
×
UNCOV
206
  return ret;
×
207
}
208

209
// ---- Variant U16
210
static FORCE_INLINE int32_t taosEncodeVariantU16(void **buf, uint16_t value) {
211
  int32_t i = 0;
212
  while (value >= ENCODE_LIMIT) {
213
    if (buf != NULL) ((uint8_t *)(*buf))[i] = (uint8_t)(value | ENCODE_LIMIT);
214
    value >>= 7;
215
    i++;
216
  }
217

218
  if (buf != NULL) {
219
    ((uint8_t *)(*buf))[i] = (uint8_t)value;
220
    *buf = POINTER_SHIFT(*buf, i + 1);
221
  }
222

223
  return i + 1;
224
}
225

226
static FORCE_INLINE void *taosDecodeVariantU16(const void *buf, uint16_t *value) {
227
  int32_t  i = 0;
228
  uint16_t tval = 0;
229
  *value = 0;
230
  while (i < 3) {
231
    tval = (uint16_t)(((uint8_t *)buf)[i]);
232
    if (tval < ENCODE_LIMIT) {
233
      (*value) |= (tval << (7 * i));
234
      return POINTER_SHIFT(buf, i + 1);
235
    } else {
236
      (*value) |= ((tval & (ENCODE_LIMIT - 1)) << (7 * i));
237
      i++;
238
    }
239
  }
240

241
  return NULL;  // error happened
242
}
243

244
// ---- Variant I16
245
static FORCE_INLINE int32_t taosEncodeVariantI16(void **buf, int16_t value) {
246
  return taosEncodeVariantU16(buf, ZIGZAGE(int16_t, value));
247
}
248

249
static FORCE_INLINE void *taosDecodeVariantI16(const void *buf, int16_t *value) {
250
  uint16_t tvalue = 0;
251
  void    *ret = taosDecodeVariantU16(buf, &tvalue);
252
  *value = ZIGZAGD(int16_t, tvalue);
253
  return ret;
254
}
255

256
// ---- Variant U32
257
static FORCE_INLINE int32_t taosEncodeVariantU32(void **buf, uint32_t value) {
UNCOV
258
  int32_t i = 0;
×
UNCOV
259
  while (value >= ENCODE_LIMIT) {
×
260
    if (buf != NULL) ((uint8_t *)(*buf))[i] = (value | ENCODE_LIMIT);
×
261
    value >>= 7;
×
262
    i++;
×
263
  }
264

UNCOV
265
  if (buf != NULL) {
×
UNCOV
266
    ((uint8_t *)(*buf))[i] = value;
×
UNCOV
267
    *buf = POINTER_SHIFT(*buf, i + 1);
×
268
  }
269

UNCOV
270
  return i + 1;
×
271
}
272

273
static FORCE_INLINE void *taosDecodeVariantU32(const void *buf, uint32_t *value) {
UNCOV
274
  int32_t  i = 0;
×
UNCOV
275
  uint32_t tval = 0;
×
UNCOV
276
  *value = 0;
×
UNCOV
277
  while (i < 5) {
×
UNCOV
278
    tval = (uint32_t)(((uint8_t *)buf)[i]);
×
UNCOV
279
    if (tval < ENCODE_LIMIT) {
×
UNCOV
280
      (*value) |= (tval << (7 * i));
×
UNCOV
281
      return POINTER_SHIFT(buf, i + 1);
×
282
    } else {
283
      (*value) |= ((tval & (ENCODE_LIMIT - 1)) << (7 * i));
×
284
      i++;
×
285
    }
286
  }
287

288
  return NULL;  // error happened
×
289
}
290

291
// ---- Variant I32
292
static FORCE_INLINE int32_t taosEncodeVariantI32(void **buf, int32_t value) {
UNCOV
293
  return taosEncodeVariantU32(buf, ZIGZAGE(int32_t, value));
×
294
}
295

296
static FORCE_INLINE void *taosDecodeVariantI32(const void *buf, int32_t *value) {
UNCOV
297
  uint32_t tvalue = 0;
×
UNCOV
298
  void    *ret = taosDecodeVariantU32(buf, &tvalue);
×
UNCOV
299
  *value = ZIGZAGD(int32_t, tvalue);
×
UNCOV
300
  return ret;
×
301
}
302

303
// ---- Variant U64
304
static FORCE_INLINE int32_t taosEncodeVariantU64(void **buf, uint64_t value) {
305
  int32_t i = 0;
50✔
306
  while (value >= ENCODE_LIMIT) {
50!
UNCOV
307
    if (buf != NULL) ((uint8_t *)(*buf))[i] = (uint8_t)(value | ENCODE_LIMIT);
×
UNCOV
308
    value >>= 7;
×
UNCOV
309
    i++;
×
310
  }
311

312
  if (buf != NULL) {
50!
313
    ((uint8_t *)(*buf))[i] = (uint8_t)value;
25✔
314
    *buf = POINTER_SHIFT(*buf, i + 1);
25✔
315
  }
316

317
  return i + 1;
50✔
318
}
319

320
static FORCE_INLINE void *taosDecodeVariantU64(const void *buf, uint64_t *value) {
UNCOV
321
  int32_t  i = 0;
×
UNCOV
322
  uint64_t tval = 0;
×
UNCOV
323
  *value = 0;
×
UNCOV
324
  while (i < 10) {
×
UNCOV
325
    tval = (uint64_t)(((uint8_t *)buf)[i]);
×
UNCOV
326
    if (tval < ENCODE_LIMIT) {
×
UNCOV
327
      (*value) |= (tval << (7 * i));
×
UNCOV
328
      return POINTER_SHIFT(buf, i + 1);
×
329
    } else {
UNCOV
330
      (*value) |= ((tval & (ENCODE_LIMIT - 1)) << (7 * i));
×
UNCOV
331
      i++;
×
332
    }
333
  }
334

335
  return NULL;  // error happened
×
336
}
337

338
// ---- Variant I64
339
static FORCE_INLINE int32_t taosEncodeVariantI64(void **buf, int64_t value) {
340
  return taosEncodeVariantU64(buf, ZIGZAGE(int64_t, value));
341
}
342

343
static FORCE_INLINE void *taosDecodeVariantI64(const void *buf, int64_t *value) {
344
  uint64_t tvalue = 0;
345
  void    *ret = taosDecodeVariantU64(buf, &tvalue);
346
  *value = ZIGZAGD(int64_t, tvalue);
347
  return ret;
348
}
349

350
// ---- string
351
static FORCE_INLINE int32_t taosEncodeString(void **buf, const char *value) {
352
  int32_t tlen = 0;
50✔
353
  size_t  size = strlen(value);
50✔
354

355
  tlen += taosEncodeVariantU64(buf, size);
50✔
356
  if (buf != NULL) {
50!
357
    TAOS_MEMCPY(*buf, value, size);
25✔
358
    *buf = POINTER_SHIFT(*buf, size);
25✔
359
  }
360
  tlen += (int32_t)size;
50✔
361

362
  return tlen;
50✔
363
}
364

365
static FORCE_INLINE void *taosDecodeString(const void *buf, char **value) {
UNCOV
366
  uint64_t size = 0;
×
367

UNCOV
368
  buf = taosDecodeVariantU64(buf, &size);
×
UNCOV
369
  *value = (char *)taosMemoryMalloc((size_t)size + 1);
×
370

UNCOV
371
  if (*value == NULL) return NULL;
×
UNCOV
372
  TAOS_MEMCPY(*value, buf, (size_t)size);
×
373

UNCOV
374
  (*value)[size] = '\0';
×
375

UNCOV
376
  return POINTER_SHIFT(buf, size);
×
377
}
378

379
static FORCE_INLINE void *taosDecodeStringTo(const void *buf, char *value) {
UNCOV
380
  uint64_t size = 0;
×
381

UNCOV
382
  buf = taosDecodeVariantU64(buf, &size);
×
UNCOV
383
  TAOS_MEMCPY(value, buf, (size_t)size);
×
384

UNCOV
385
  value[size] = '\0';
×
386

UNCOV
387
  return POINTER_SHIFT(buf, size);
×
388
}
389

390
// ---- binary
391
static FORCE_INLINE int32_t taosEncodeBinary(void **buf, const void *value, int32_t valueLen) {
UNCOV
392
  int32_t tlen = 0;
×
393

UNCOV
394
  if (buf != NULL) {
×
UNCOV
395
    TAOS_MEMCPY(*buf, value, valueLen);
×
UNCOV
396
    *buf = POINTER_SHIFT(*buf, valueLen);
×
397
  }
UNCOV
398
  tlen += (int32_t)valueLen;
×
399

UNCOV
400
  return tlen;
×
401
}
402

403
static FORCE_INLINE void *taosDecodeBinary(const void *buf, void **value, int32_t valueLen) {
UNCOV
404
  *value = taosMemoryMalloc((size_t)valueLen);
×
UNCOV
405
  if (*value == NULL) return NULL;
×
UNCOV
406
  TAOS_MEMCPY(*value, buf, (size_t)valueLen);
×
407

UNCOV
408
  return POINTER_SHIFT(buf, valueLen);
×
409
}
410

411
static FORCE_INLINE void *taosDecodeBinaryTo(const void *buf, void *value, int32_t valueLen) {
UNCOV
412
  TAOS_MEMCPY(value, buf, (size_t)valueLen);
×
UNCOV
413
  return POINTER_SHIFT(buf, valueLen);
×
414
}
415

416
#endif
417

418
#ifdef __cplusplus
419
}
420
#endif
421

422
#endif /*_TD_UTIL_CODING_H_*/
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