-
Notifications
You must be signed in to change notification settings - Fork 1
/
dqn_os.cpp
500 lines (437 loc) · 17.7 KB
/
dqn_os.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
#pragma once
#include "dqn.h"
/*
////////////////////////////////////////////////////////////////////////////////////////////////////
//
// $$$$$$\ $$$$$$\
// $$ __$$\ $$ __$$\
// $$ / $$ |$$ / \__|
// $$ | $$ |\$$$$$$\
// $$ | $$ | \____$$\
// $$ | $$ |$$\ $$ |
// $$$$$$ |\$$$$$$ |
// \______/ \______/
//
// dqn_os.cpp
//
////////////////////////////////////////////////////////////////////////////////////////////////////
*/
// NOTE: [$DATE] Date //////////////////////////////////////////////////////////////////////////////
DQN_API Dqn_OSDateTimeStr8 Dqn_OS_DateLocalTimeStr8(Dqn_OSDateTime time, char date_separator, char hms_separator)
{
Dqn_OSDateTimeStr8 result = {};
result.hms_size = DQN_CAST(uint8_t) DQN_SNPRINTF(result.hms,
DQN_ARRAY_ICOUNT(result.hms),
"%02hhu%c%02hhu%c%02hhu",
time.hour,
hms_separator,
time.minutes,
hms_separator,
time.seconds);
result.date_size = DQN_CAST(uint8_t) DQN_SNPRINTF(result.date,
DQN_ARRAY_ICOUNT(result.date),
"%hu%c%02hhu%c%02hhu",
time.year,
date_separator,
time.month,
date_separator,
time.day);
DQN_ASSERT(result.hms_size < DQN_ARRAY_UCOUNT(result.hms));
DQN_ASSERT(result.date_size < DQN_ARRAY_UCOUNT(result.date));
return result;
}
DQN_API Dqn_OSDateTimeStr8 Dqn_OS_DateLocalTimeStr8Now(char date_separator, char hms_separator)
{
Dqn_OSDateTime time = Dqn_OS_DateLocalTimeNow();
Dqn_OSDateTimeStr8 result = Dqn_OS_DateLocalTimeStr8(time, date_separator, hms_separator);
return result;
}
DQN_API bool Dqn_OS_DateIsValid(Dqn_OSDateTime date)
{
if (date.year < 1970)
return false;
if (date.month <= 0 || date.month >= 13)
return false;
if (date.day <= 0 || date.day >= 32)
return false;
if (date.hour >= 24)
return false;
if (date.minutes >= 60)
return false;
if (date.seconds >= 60)
return false;
return true;
}
// NOTE: Other /////////////////////////////////////////////////////////////////////////////////////
DQN_API Dqn_Str8 Dqn_OS_EXEDir(Dqn_Arena *arena)
{
Dqn_Str8 result = {};
if (!arena)
return result;
Dqn_Scratch scratch = Dqn_Scratch_Get(arena);
Dqn_Str8 exe_path = Dqn_OS_EXEPath(scratch.arena);
Dqn_Str8 separators[] = {DQN_STR8("/"), DQN_STR8("\\")};
Dqn_Str8BinarySplitResult split = Dqn_Str8_BinarySplitLastArray(exe_path, separators, DQN_ARRAY_UCOUNT(separators));
result = Dqn_Str8_Copy(arena, split.lhs);
return result;
}
// NOTE: Counters //////////////////////////////////////////////////////////////////////////////////
DQN_API Dqn_f64 Dqn_OS_PerfCounterS(uint64_t begin, uint64_t end)
{
uint64_t frequency = Dqn_OS_PerfCounterFrequency();
uint64_t ticks = end - begin;
Dqn_f64 result = ticks / DQN_CAST(Dqn_f64)frequency;
return result;
}
DQN_API Dqn_f64 Dqn_OS_PerfCounterMs(uint64_t begin, uint64_t end)
{
uint64_t frequency = Dqn_OS_PerfCounterFrequency();
uint64_t ticks = end - begin;
Dqn_f64 result = (ticks * 1'000) / DQN_CAST(Dqn_f64)frequency;
return result;
}
DQN_API Dqn_f64 Dqn_OS_PerfCounterUs(uint64_t begin, uint64_t end)
{
uint64_t frequency = Dqn_OS_PerfCounterFrequency();
uint64_t ticks = end - begin;
Dqn_f64 result = (ticks * 1'000'000) / DQN_CAST(Dqn_f64)frequency;
return result;
}
DQN_API Dqn_f64 Dqn_OS_PerfCounterNs(uint64_t begin, uint64_t end)
{
uint64_t frequency = Dqn_OS_PerfCounterFrequency();
uint64_t ticks = end - begin;
Dqn_f64 result = (ticks * 1'000'000'000) / DQN_CAST(Dqn_f64)frequency;
return result;
}
DQN_API Dqn_OSTimer Dqn_OS_TimerBegin()
{
Dqn_OSTimer result = {};
result.start = Dqn_OS_PerfCounterNow();
return result;
}
DQN_API void Dqn_OS_TimerEnd(Dqn_OSTimer *timer)
{
timer->end = Dqn_OS_PerfCounterNow();
}
DQN_API Dqn_f64 Dqn_OS_TimerS(Dqn_OSTimer timer)
{
Dqn_f64 result = Dqn_OS_PerfCounterS(timer.start, timer.end);
return result;
}
DQN_API Dqn_f64 Dqn_OS_TimerMs(Dqn_OSTimer timer)
{
Dqn_f64 result = Dqn_OS_PerfCounterMs(timer.start, timer.end);
return result;
}
DQN_API Dqn_f64 Dqn_OS_TimerUs(Dqn_OSTimer timer)
{
Dqn_f64 result = Dqn_OS_PerfCounterUs(timer.start, timer.end);
return result;
}
DQN_API Dqn_f64 Dqn_OS_TimerNs(Dqn_OSTimer timer)
{
Dqn_f64 result = Dqn_OS_PerfCounterNs(timer.start, timer.end);
return result;
}
DQN_API uint64_t Dqn_OS_EstimateTSCPerSecond(uint64_t duration_ms_to_gauge_tsc_frequency)
{
uint64_t os_frequency = Dqn_OS_PerfCounterFrequency();
uint64_t os_target_elapsed = duration_ms_to_gauge_tsc_frequency * os_frequency / 1000ULL;
uint64_t tsc_begin = Dqn_CPU_TSC();
uint64_t result = 0;
if (tsc_begin) {
uint64_t os_elapsed = 0;
for (uint64_t os_begin = Dqn_OS_PerfCounterNow(); os_elapsed < os_target_elapsed; )
os_elapsed = Dqn_OS_PerfCounterNow() - os_begin;
uint64_t tsc_end = Dqn_CPU_TSC();
uint64_t tsc_elapsed = tsc_end - tsc_begin;
result = tsc_elapsed / os_elapsed * os_frequency;
}
return result;
}
#if !defined(DQN_NO_OS_FILE_API)
// NOTE: [$FILE] Dqn_OSPathInfo/File ///////////////////////////////////////////////////////////////
DQN_API bool Dqn_OS_FileWrite(Dqn_OSFile *file, Dqn_Str8 buffer, Dqn_ErrorSink *error)
{
bool result = Dqn_OS_FileWritePtr(file, buffer.data, buffer.size, error);
return result;
}
DQN_API bool Dqn_OS_FileWriteFV(Dqn_OSFile *file, Dqn_ErrorSink *error, DQN_FMT_ATTRIB char const *fmt, va_list args)
{
bool result = false;
if (!file || !fmt)
return result;
Dqn_Scratch scratch = Dqn_Scratch_Get(nullptr);
Dqn_Str8 buffer = Dqn_Str8_InitFV(scratch.arena, fmt, args);
result = Dqn_OS_FileWritePtr(file, buffer.data, buffer.size, error);
return result;
}
DQN_API bool Dqn_OS_FileWriteF(Dqn_OSFile *file, Dqn_ErrorSink *error, DQN_FMT_ATTRIB char const *fmt, ...)
{
va_list args;
va_start(args, fmt);
bool result = Dqn_OS_FileWriteFV(file, error, fmt, args);
va_end(args);
return result;
}
// NOTE: R/W Entire File ///////////////////////////////////////////////////////////////////////////
DQN_API Dqn_Str8 Dqn_OS_ReadAll(Dqn_Str8 path, Dqn_Arena *arena, Dqn_ErrorSink *error)
{
Dqn_Str8 result = {};
if (!arena)
return result;
// NOTE: Query file size + allocate buffer /////////////////////////////////////////////////////
Dqn_OSPathInfo path_info = Dqn_OS_PathInfo(path);
if (!path_info.exists) {
Dqn_ErrorSink_MakeF(error, 1, "File does not exist/could not be queried for reading '%.*s'", DQN_STR_FMT(path));
return result;
}
Dqn_ArenaTempMem temp_mem = Dqn_Arena_TempMemBegin(arena);
result = Dqn_Str8_Alloc(arena, path_info.size, Dqn_ZeroMem_No);
if (!Dqn_Str8_HasData(result)) {
Dqn_Scratch scratch = Dqn_Scratch_Get(nullptr);
Dqn_Str8 buffer_size_str8 = Dqn_U64ToByteSizeStr8(scratch.arena, path_info.size, Dqn_U64ByteSizeType_Auto);
Dqn_ErrorSink_MakeF(error, 1 /*error_code*/, "Failed to allocate %.*s for reading file '%.*s'", DQN_STR_FMT(buffer_size_str8), DQN_STR_FMT(path));
Dqn_Arena_TempMemEnd(temp_mem);
result = {};
return result;
}
// NOTE: Read the file from disk ///////////////////////////////////////////////////////////////
Dqn_OSFile file = Dqn_OS_FileOpen(path, Dqn_OSFileOpen_OpenIfExist, Dqn_OSFileAccess_Read, error);
bool read_failed = !Dqn_OS_FileRead(&file, result.data, result.size, error);
if (file.error || read_failed) {
Dqn_Arena_TempMemEnd(temp_mem);
result = {};
}
Dqn_OS_FileClose(&file);
return result;
}
DQN_API bool Dqn_OS_WriteAll(Dqn_Str8 path, Dqn_Str8 buffer, Dqn_ErrorSink *error)
{
Dqn_OSFile file = Dqn_OS_FileOpen(path, Dqn_OSFileOpen_CreateAlways, Dqn_OSFileAccess_Write, error);
bool result = Dqn_OS_FileWrite(&file, buffer, error);
Dqn_OS_FileClose(&file);
return result;
}
DQN_API bool Dqn_OS_WriteAllFV(Dqn_Str8 file_path, Dqn_ErrorSink *error, DQN_FMT_ATTRIB char const *fmt, va_list args)
{
Dqn_Scratch scratch = Dqn_Scratch_Get(nullptr);
Dqn_Str8 buffer = Dqn_Str8_InitFV(scratch.arena, fmt, args);
bool result = Dqn_OS_WriteAll(file_path, buffer, error);
return result;
}
DQN_API bool Dqn_OS_WriteAllF(Dqn_Str8 file_path, Dqn_ErrorSink *error, DQN_FMT_ATTRIB char const *fmt, ...)
{
va_list args;
va_start(args, fmt);
bool result = Dqn_OS_WriteAllFV(file_path, error, fmt, args);
va_end(args);
return result;
}
DQN_API bool Dqn_OS_WriteAllSafe(Dqn_Str8 path, Dqn_Str8 buffer, Dqn_ErrorSink *error)
{
Dqn_Scratch scratch = Dqn_Scratch_Get(nullptr);
Dqn_Str8 tmp_path = Dqn_Str8_InitF(scratch.arena, "%.*s.tmp", DQN_STR_FMT(path));
if (!Dqn_OS_WriteAll(tmp_path, buffer, error))
return false;
if (!Dqn_OS_CopyFile(tmp_path, path, true /*overwrite*/, error))
return false;
if (!Dqn_OS_PathDelete(tmp_path))
return false;
return true;
}
DQN_API bool Dqn_OS_WriteAllSafeFV(Dqn_Str8 path, Dqn_ErrorSink *error, DQN_FMT_ATTRIB char const *fmt, va_list args)
{
Dqn_Scratch scratch = Dqn_Scratch_Get(nullptr);
Dqn_Str8 buffer = Dqn_Str8_InitFV(scratch.arena, fmt, args);
bool result = Dqn_OS_WriteAllSafe(path, buffer, error);
return result;
}
DQN_API bool Dqn_OS_WriteAllSafeF(Dqn_Str8 path, Dqn_ErrorSink *error, DQN_FMT_ATTRIB char const *fmt, ...)
{
va_list args;
va_start(args, fmt);
bool result = Dqn_OS_WriteAllSafeFV(path, error, fmt, args);
return result;
}
#endif // !defined(DQN_NO_OS_FILE_API)
// NOTE: [$PATH] Dqn_OSPath ////////////////////////////////////////////////////////////////////////
DQN_API bool Dqn_OS_PathAddRef(Dqn_Arena *arena, Dqn_OSPath *fs_path, Dqn_Str8 path)
{
if (!arena || !fs_path || !Dqn_Str8_HasData(path))
return false;
if (path.size <= 0)
return true;
Dqn_Str8 const delimiter_array[] = {
DQN_STR8("\\"),
DQN_STR8("/")
};
if (fs_path->links_size == 0) {
fs_path->has_prefix_path_separator = (path.data[0] == '/');
}
for (;;) {
Dqn_Str8BinarySplitResult delimiter = Dqn_Str8_BinarySplitArray(path, delimiter_array, DQN_ARRAY_UCOUNT(delimiter_array));
for (; delimiter.lhs.data; delimiter = Dqn_Str8_BinarySplitArray(delimiter.rhs, delimiter_array, DQN_ARRAY_UCOUNT(delimiter_array))) {
if (delimiter.lhs.size <= 0)
continue;
Dqn_OSPathLink *link = Dqn_Arena_New(arena, Dqn_OSPathLink, Dqn_ZeroMem_Yes);
if (!link)
return false;
link->string = delimiter.lhs;
link->prev = fs_path->tail;
if (fs_path->tail) {
fs_path->tail->next = link;
} else {
fs_path->head = link;
}
fs_path->tail = link;
fs_path->links_size += 1;
fs_path->string_size += delimiter.lhs.size;
}
if (!delimiter.lhs.data)
break;
}
return true;
}
DQN_API bool Dqn_OS_PathAdd(Dqn_Arena *arena, Dqn_OSPath *fs_path, Dqn_Str8 path)
{
Dqn_Str8 copy = Dqn_Str8_Copy(arena, path);
bool result = Dqn_Str8_HasData(copy) ? true : Dqn_OS_PathAddRef(arena, fs_path, copy);
return result;
}
DQN_API bool Dqn_OS_PathAddF(Dqn_Arena *arena, Dqn_OSPath *fs_path, DQN_FMT_ATTRIB char const *fmt, ...)
{
va_list args;
va_start(args, fmt);
Dqn_Str8 path = Dqn_Str8_InitFV(arena, fmt, args);
va_end(args);
bool result = Dqn_OS_PathAddRef(arena, fs_path, path);
return result;
}
DQN_API bool Dqn_OS_PathPop(Dqn_OSPath *fs_path)
{
if (!fs_path)
return false;
if (fs_path->tail) {
DQN_ASSERT(fs_path->head);
fs_path->links_size -= 1;
fs_path->string_size -= fs_path->tail->string.size;
fs_path->tail = fs_path->tail->prev;
if (fs_path->tail) {
fs_path->tail->next = nullptr;
} else {
fs_path->head = nullptr;
}
} else {
DQN_ASSERT(!fs_path->head);
}
return true;
}
DQN_API Dqn_Str8 Dqn_OS_PathConvertTo(Dqn_Arena *arena, Dqn_Str8 path, Dqn_Str8 path_separator)
{
Dqn_OSPath fs_path = {};
Dqn_OS_PathAddRef(arena, &fs_path, path);
Dqn_Str8 result = Dqn_OS_PathBuildWithSeparator(arena, &fs_path, path_separator);
return result;
}
DQN_API Dqn_Str8 Dqn_OS_PathConvertToF(Dqn_Arena *arena, Dqn_Str8 path_separator, DQN_FMT_ATTRIB char const *fmt, ...)
{
Dqn_Scratch scratch = Dqn_Scratch_Get(arena);
va_list args;
va_start(args, fmt);
Dqn_Str8 path = Dqn_Str8_InitFV(scratch.arena, fmt, args);
va_end(args);
Dqn_Str8 result = Dqn_OS_PathConvertTo(arena, path, path_separator);
return result;
}
DQN_API Dqn_Str8 Dqn_OS_PathConvert(Dqn_Arena *arena, Dqn_Str8 path)
{
Dqn_Str8 result = Dqn_OS_PathConvertTo(arena, path, Dqn_OSPathSeperatorString);
return result;
}
DQN_API Dqn_Str8 Dqn_OS_PathConvertF(Dqn_Arena *arena, DQN_FMT_ATTRIB char const *fmt, ...)
{
Dqn_Scratch scratch = Dqn_Scratch_Get(arena);
va_list args;
va_start(args, fmt);
Dqn_Str8 path = Dqn_Str8_InitFV(scratch.arena, fmt, args);
va_end(args);
Dqn_Str8 result = Dqn_OS_PathConvert(arena, path);
return result;
}
DQN_API Dqn_Str8 Dqn_OS_PathBuildWithSeparator(Dqn_Arena *arena, Dqn_OSPath const *fs_path, Dqn_Str8 path_separator)
{
Dqn_Str8 result = {};
if (!fs_path || fs_path->links_size <= 0)
return result;
// NOTE: Each link except the last one needs the path separator appended to it, '/' or '\\'
Dqn_usize string_size = (fs_path->has_prefix_path_separator ? path_separator.size : 0) + fs_path->string_size + ((fs_path->links_size - 1) * path_separator.size);
result = Dqn_Str8_Alloc(arena, string_size, Dqn_ZeroMem_No);
if (result.data) {
char *dest = result.data;
if (fs_path->has_prefix_path_separator) {
DQN_MEMCPY(dest, path_separator.data, path_separator.size);
dest += path_separator.size;
}
for (Dqn_OSPathLink *link = fs_path->head; link; link = link->next) {
Dqn_Str8 string = link->string;
DQN_MEMCPY(dest, string.data, string.size);
dest += string.size;
if (link != fs_path->tail) {
DQN_MEMCPY(dest, path_separator.data, path_separator.size);
dest += path_separator.size;
}
}
}
result.data[string_size] = 0;
return result;
}
// NOTE: [$EXEC] Dqn_OSExec ////////////////////////////////////////////////////////////////////////
DQN_API Dqn_OSExecResult Dqn_OS_Exec(Dqn_Slice<Dqn_Str8> cmd_line,
Dqn_Str8 working_dir,
uint8_t exec_flags,
Dqn_Arena *arena,
Dqn_ErrorSink *error)
{
Dqn_OSExecAsyncHandle async_handle = Dqn_OS_ExecAsync(cmd_line, working_dir, exec_flags, error);
Dqn_OSExecResult result = Dqn_OS_ExecWait(async_handle, arena, error);
return result;
}
DQN_API Dqn_OSExecResult Dqn_OS_ExecOrAbort(Dqn_Slice<Dqn_Str8> cmd_line, Dqn_Str8 working_dir, uint8_t exec_flags, Dqn_Arena *arena)
{
Dqn_ErrorSink *error = Dqn_ErrorSink_Begin(Dqn_ErrorSinkMode_Nil);
Dqn_OSExecResult result = Dqn_OS_Exec(cmd_line, working_dir, exec_flags, arena, error);
if (result.os_error_code) {
Dqn_ErrorSink_EndAndExitIfErrorF(
error,
result.os_error_code,
"OS failed to execute the requested command returning the error code %u",
result.os_error_code);
}
if (result.exit_code) {
Dqn_ErrorSink_EndAndExitIfErrorF(
error,
result.exit_code,
"OS executed command and returned non-zero exit code %u",
result.exit_code);
}
Dqn_ErrorSink_EndAndIgnore(error);
return result;
}
// NOTE: [$HTTP] Dqn_OSHttp ////////////////////////////////////////////////////////////////////////
DQN_API void Dqn_OS_HttpRequestWait(Dqn_OSHttpResponse *response)
{
if (response && Dqn_OS_SemaphoreIsValid(&response->on_complete_semaphore))
Dqn_OS_SemaphoreWait(&response->on_complete_semaphore, DQN_OS_SEMAPHORE_INFINITE_TIMEOUT);
}
DQN_API Dqn_OSHttpResponse Dqn_OS_HttpRequest(Dqn_Arena *arena, Dqn_Str8 host, Dqn_Str8 path, Dqn_OSHttpRequestSecure secure, Dqn_Str8 method, Dqn_Str8 body, Dqn_Str8 headers)
{
// TODO(doyle): Revise the memory allocation and its lifetime
Dqn_OSHttpResponse result = {};
Dqn_Scratch scratch = Dqn_Scratch_Get(arena);
result.scratch_arena = scratch.arena;
Dqn_OS_HttpRequestAsync(&result, arena, host, path, secure, method, body, headers);
Dqn_OS_HttpRequestWait(&result);
return result;
}