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taosdata / TDengine / #4800

16 Oct 2025 09:19AM UTC coverage: 53.935% (-7.1%) from 61.083%
#4800

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Merge b32e3a393 into a190048d5

134724 of 323629 branches covered (41.63%)

Branch coverage included in aggregate %.

184803 of 268802 relevant lines covered (68.75%)

69058627.2 hits per line

Source File
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45.1
/include/util/tbuffer.inc
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 "taoserror.h"
17
#include "tcoding.h"
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#include "tutil.h"
19

20
struct SBuffer {
21
  uint32_t size;
22
  uint32_t capacity;
23
  void    *data;
24
};
25

26
struct SBufferReader {
27
  uint32_t offset;
28
  SBuffer *buffer;
29
};
30

31
// SBuffer
32
static FORCE_INLINE void tBufferInit(SBuffer *buffer) {
33
  buffer->size = 0;
1,803,929,083✔
34
  buffer->capacity = 0;
1,804,061,009✔
35
  buffer->data = NULL;
1,804,072,329✔
36
}
1,804,052,982✔
37

38
static FORCE_INLINE void tBufferDestroy(SBuffer *buffer) {
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  buffer->size = 0;
2,147,483,647✔
40
  buffer->capacity = 0;
2,147,483,647✔
41
  if (buffer->data) {
2,147,483,647!
42
    taosMemoryFree(buffer->data);
522,790,875!
43
    buffer->data = NULL;
522,731,264✔
44
  }
45
}
2,147,483,647✔
46

47
static FORCE_INLINE void tBufferClear(SBuffer *buffer) { buffer->size = 0; }
1,224,722,564✔
48

49
static FORCE_INLINE int32_t tBufferEnsureCapacity(SBuffer *buffer, uint32_t capacity) {
50
  if (buffer->capacity < capacity) {
2,147,483,647!
51
    uint32_t newCapacity = (buffer->capacity > 0) ? (buffer->capacity << 1) : 1024;
526,670,334!
52
    while (newCapacity < capacity) {
546,122,379!
53
      newCapacity <<= 1;
19,491,474✔
54
    }
55
    void *newData = taosMemoryRealloc(buffer->data, newCapacity);
526,630,905!
56
    if (newData == NULL) {
526,177,898!
57
      return TSDB_CODE_OUT_OF_MEMORY;
×
58
    }
59
    buffer->data = newData;
526,177,898✔
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    buffer->capacity = newCapacity;
526,409,852✔
61
  }
62
  return 0;
2,147,483,647✔
63
}
64

65
static FORCE_INLINE int32_t tBufferPut(SBuffer *buffer, const void *data, uint32_t size) {
66
  TAOS_CHECK_RETURN(tBufferEnsureCapacity(buffer, buffer->size + size));
2,147,483,647!
67
  memcpy((char *)buffer->data + buffer->size, data, size);
1,395,609,270!
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  buffer->size += size;
1,395,674,631✔
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  return 0;
1,395,704,274✔
70
}
71

72
static int32_t tBufferPutAt(SBuffer *buffer, uint32_t offset, const void *data, uint32_t size) {
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73
  if (offset + size > buffer->size) {
2,147,483,647!
74
    return TSDB_CODE_OUT_OF_RANGE;
×
75
  }
76
  memcpy((char *)buffer->data + offset, data, size);
2,147,483,647!
77
  return 0;
2,147,483,647✔
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}
79

80
static FORCE_INLINE int32_t tBufferPutI8(SBuffer *buffer, int8_t value) {
81
  return tBufferPut(buffer, &value, sizeof(value));
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}
83

84
static FORCE_INLINE int32_t tBufferPutI16(SBuffer *buffer, int16_t value) {
85
  return tBufferPut(buffer, &value, sizeof(value));
86
}
87

88
static FORCE_INLINE int32_t tBufferPutI32(SBuffer *buffer, int32_t value) {
89
  return tBufferPut(buffer, &value, sizeof(value));
18,584,459✔
90
}
91

92
static FORCE_INLINE int32_t tBufferPutI64(SBuffer *buffer, int64_t value) {
93
  return tBufferPut(buffer, &value, sizeof(value));
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94
}
95

96
static FORCE_INLINE int32_t tBufferPutU8(SBuffer *buffer, uint8_t value) {
97
  return tBufferPut(buffer, &value, sizeof(value));
702,081,035✔
98
}
99

100
static FORCE_INLINE int32_t tBufferPutU16(SBuffer *buffer, uint16_t value) {
101
  return tBufferPut(buffer, &value, sizeof(value));
102
}
103

104
static FORCE_INLINE int32_t tBufferPutU32(SBuffer *buffer, uint32_t value) {
105
  return tBufferPut(buffer, &value, sizeof(value));
106,660,955✔
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}
107

108
static FORCE_INLINE int32_t tBufferPutU64(SBuffer *buffer, uint64_t value) {
109
  return tBufferPut(buffer, &value, sizeof(value));
×
110
}
111

112
static FORCE_INLINE int32_t tBufferPutU16v(SBuffer *buffer, uint16_t value) { return tBufferPutU64v(buffer, value); }
113

114
static FORCE_INLINE int32_t tBufferPutU32v(SBuffer *buffer, uint32_t value) { return tBufferPutU64v(buffer, value); }
11,462,389✔
115

116
static FORCE_INLINE int32_t tBufferPutU64v(SBuffer *buffer, uint64_t value) {
117
  while (value >= 0x80) {
701,886,653!
118
    TAOS_CHECK_RETURN(tBufferPutU8(buffer, (value & 0x7F) | 0x80));
510,473,019!
119
    value >>= 7;
255,237,591✔
120
  }
121
  return tBufferPutU8(buffer, value);
893,310,911!
122
}
123

124
static FORCE_INLINE int32_t tBufferPutI16v(SBuffer *buffer, int16_t value) {
125
  return tBufferPutU64v(buffer, ZIGZAGE(int16_t, value));
197,140,636✔
126
}
127

128
static FORCE_INLINE int32_t tBufferPutI32v(SBuffer *buffer, int32_t value) {
129
  return tBufferPutU64v(buffer, ZIGZAGE(int32_t, value));
673,233,071✔
130
}
131

132
static FORCE_INLINE int32_t tBufferPutI64v(SBuffer *buffer, int64_t value) {
133
  return tBufferPutU64v(buffer, ZIGZAGE(int64_t, value));
134
}
135

136
static FORCE_INLINE int32_t tBufferPutBinary(SBuffer *buffer, const void *data, uint32_t size) {
137
  TAOS_CHECK_RETURN(tBufferPutU32v(buffer, size));
138
  return tBufferPut(buffer, data, size);
139
}
140

141
static FORCE_INLINE int32_t tBufferPutCStr(SBuffer *buffer, const char *str) {
142
  return tBufferPutBinary(buffer, str, str ? strlen(str) + 1 : 0);
143
}
144

145
static FORCE_INLINE int32_t tBufferPutF32(SBuffer *buffer, float value) {
146
  union {
147
    float    f;
148
    uint32_t u;
149
  } u;
150
  u.f = value;
151
  return tBufferPutU32(buffer, u.u);
152
}
153

154
static FORCE_INLINE int32_t tBufferPutF64(SBuffer *buffer, double value) {
155
  union {
156
    double   f;
157
    uint64_t u;
158
  } u;
159
  u.f = value;
160
  return tBufferPutU64(buffer, u.u);
161
}
162

163
// reader
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// SBufferReader
165
static int32_t tBufferReaderInit(SBufferReader *reader, uint32_t offset, SBuffer *buffer) {
×
166
  reader->offset = offset;
×
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  reader->buffer = buffer;
×
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  return 0;
×
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}
170

171
static FORCE_INLINE int32_t tBufferGet(SBufferReader *reader, uint32_t size, void *data) {
172
  if (reader->offset + size > reader->buffer->size) {
2,147,483,647!
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    return TSDB_CODE_OUT_OF_RANGE;
×
174
  }
175
  if (data) {
2,147,483,647!
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    memcpy(data, BR_PTR(reader), size);
2,147,483,647!
177
  }
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  reader->offset += size;
2,147,483,647✔
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  return 0;
2,147,483,647✔
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}
181

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static int32_t tBufferGetI8(SBufferReader *reader, int8_t *value) { return tBufferGet(reader, sizeof(*value), value); }
2,028,916,925!
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static int32_t tBufferGetI16(SBufferReader *reader, int16_t *value) {
×
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  return tBufferGet(reader, sizeof(*value), value);
×
186
}
187

188
static int32_t tBufferGetI32(SBufferReader *reader, int32_t *value) {
75,386,069✔
189
  if (reader->offset + sizeof(int32_t) > reader->buffer->size) {
75,386,069!
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    return TSDB_CODE_OUT_OF_RANGE;
×
191
  }
192
  if (value) {
75,386,405✔
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    *value = *(int32_t*)BR_PTR(reader);
75,386,019✔
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  }
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  reader->offset += sizeof(int32_t);
75,386,261✔
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  return 0;
75,387,643✔
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}
198

199
static int32_t tBufferGetI64(SBufferReader *reader, int64_t *value) {
2,147,483,647✔
200
  if (reader->offset + sizeof(int64_t) > reader->buffer->size) {
2,147,483,647!
201
    return TSDB_CODE_OUT_OF_RANGE;
×
202
  }
203
  if (value) {
2,147,483,647✔
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    *value = *(int64_t*)BR_PTR(reader);
2,147,483,647✔
205
  }
206
  reader->offset += sizeof(int64_t);
2,147,483,647✔
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  return 0;
2,147,483,647✔
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}
209

210
static int32_t tBufferGetU8(SBufferReader *reader, uint8_t *value) { return tBufferGet(reader, sizeof(*value), value); }
2,147,483,647!
211

212
static int32_t tBufferGetU16(SBufferReader *reader, uint16_t *value) {
×
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  return tBufferGet(reader, sizeof(*value), value);
×
214
}
215

216
static int32_t tBufferGetU32(SBufferReader *reader, uint32_t *value) {
417,404,139!
217
  return tBufferGet(reader, sizeof(*value), value);
417,493,347✔
218
}
219

220
static int32_t tBufferGetU64(SBufferReader *reader, uint64_t *value) {
×
221
  return tBufferGet(reader, sizeof(*value), value);
×
222
}
223

224
static int32_t tBufferGetU64v(SBufferReader *reader, uint64_t *value) {
1,718,670,543✔
225
  uint8_t  byte;
1,718,650,607✔
226
  int32_t  code;
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  uint64_t u64 = 0;
1,718,711,034✔
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229
  for (int32_t i = 0;; i++) {
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    code = tBufferGetU8(reader, &byte);
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    if (code) return code;
1,989,961,818!
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233
    u64 |= (((uint64_t)(byte & 0x7F)) << (i * 7));
1,989,961,818!
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235
    if (byte < 0x80) {
1,989,961,818✔
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      break;
1,718,852,751✔
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    }
238
  }
239

240
  if (value) {
1,718,852,751!
241
    *value = u64;
1,718,888,721✔
242
  }
243

244
  return 0;
1,718,864,940✔
245
}
246

247
static int32_t tBufferGetU16v(SBufferReader *reader, uint16_t *value) {
353,791,505✔
248
  uint64_t u64;
353,788,537✔
249
  int32_t  code = tBufferGetU64v(reader, &u64);
353,808,851✔
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  if (code) return code;
353,853,853!
251
  if (value) {
353,853,853!
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    *value = (uint16_t)u64;
353,864,960✔
253
  }
254
  return 0;
353,854,168✔
255
}
256

257
static int32_t tBufferGetU32v(SBufferReader *reader, uint32_t *value) {
1,364,865,966✔
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  uint64_t u64;
1,364,848,998✔
259
  int32_t  code = tBufferGetU64v(reader, &u64);
1,364,894,194✔
260
  if (code) return code;
1,365,163,859!
261
  if (value) {
1,365,163,859✔
262
    *value = (uint32_t)u64;
1,365,113,041✔
263
  }
264
  return 0;
1,365,130,456✔
265
}
266

267
static int32_t tBufferGetI16v(SBufferReader *reader, int16_t *value) {
353,775,241✔
268
  uint16_t u16;
353,772,273✔
269
  int32_t  code = tBufferGetU16v(reader, &u16);
353,800,373✔
270
  if (code) return code;
353,846,986!
271
  if (value) {
353,846,986!
272
    *value = ZIGZAGD(int16_t, u16);
353,848,224✔
273
  }
274
  return 0;
353,846,015✔
275
}
276

277
static int32_t tBufferGetI32v(SBufferReader *reader, int32_t *value) {
1,313,870,455✔
278
  uint32_t u32;
1,313,854,831✔
279
  int32_t  code = tBufferGetU32v(reader, &u32);
1,313,904,112✔
280
  if (code) return code;
1,314,139,509!
281
  if (value) {
1,314,139,509✔
282
    *value = ZIGZAGD(int32_t, u32);
1,314,114,931✔
283
  }
284
  return 0;
1,314,109,816✔
285
}
286

287
static int32_t tBufferGetI64v(SBufferReader *reader, int64_t *value) {
×
288
  uint64_t u64;
×
289
  int32_t  code = tBufferGetU64v(reader, &u64);
×
290
  if (code) return code;
×
291
  if (value) {
×
292
    *value = ZIGZAGD(int64_t, u64);
×
293
  }
294
  return 0;
×
295
}
296

297
static int32_t tBufferGetBinary(SBufferReader *reader, const void **data, uint32_t *size) {
×
298
  uint32_t tmpSize;
×
299
  int32_t  code;
300

301
  // size
302
  code = tBufferGetU32v(reader, &tmpSize);
×
303
  if (code) return code;
×
304
  if (size) {
×
305
    *size = tmpSize;
×
306
  }
307

308
  // data
309
  if (tmpSize > 0) {
×
310
    if (reader->offset + tmpSize > reader->buffer->size) {
×
311
      return TSDB_CODE_OUT_OF_RANGE;
×
312
    }
313
    if (data) {
×
314
      *data = BR_PTR(reader);
×
315
    }
316
    reader->offset += tmpSize;
×
317
  } else if (data) {
×
318
    *data = NULL;
×
319
  }
320

321
  return 0;
×
322
}
323

324
static int32_t tBufferGetCStr(SBufferReader *reader, const char **str) {
×
325
  return tBufferGetBinary(reader, (const void **)str, NULL);
×
326
}
327

328
static int32_t tBufferGetF32(SBufferReader *reader, float *value) {
×
329
  union {
330
    float    f;
331
    uint32_t u;
332
  } u;
×
333
  TAOS_CHECK_RETURN(tBufferGetU32(reader, &u.u));
×
334
  if (value) {
×
335
    *value = u.f;
×
336
  }
337
  return 0;
×
338
}
339

340
static int32_t tBufferGetF64(SBufferReader *reader, double *value) {
×
341
  union {
342
    double   f;
343
    uint64_t u;
344
  } u;
×
345
  TAOS_CHECK_RETURN(tBufferGetU64(reader, &u.u));
×
346
  if (value) {
×
347
    *value = u.f;
×
348
  }
349
  return 0;
×
350
}
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