|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace Dazzle\MySQL; |
|
4
|
|
|
|
|
5
|
|
|
use Dazzle\Event\BaseEventEmitter; |
|
6
|
|
|
use Dazzle\Loop\LoopAwareTrait; |
|
7
|
|
|
use Dazzle\Loop\LoopInterface; |
|
8
|
|
|
use Dazzle\MySQL\Protocol\Command\AuthCommand; |
|
9
|
|
|
use Dazzle\MySQL\Protocol\Command\PingCommand; |
|
10
|
|
|
use Dazzle\MySQL\Protocol\Command\QueryCommand; |
|
11
|
|
|
use Dazzle\MySQL\Protocol\Command\QuitCommand; |
|
12
|
|
|
use Dazzle\MySQL\Protocol\Command; |
|
13
|
|
|
use Dazzle\MySQL\Protocol\CommandInterface; |
|
14
|
|
|
use Dazzle\MySQL\Protocol\ProtocolParser; |
|
15
|
|
|
use Dazzle\MySQL\Protocol\Query; |
|
16
|
|
|
use Dazzle\MySQL\Protocol\QueryInterface; |
|
17
|
|
|
use Dazzle\MySQL\Support\Queue\Queue; |
|
18
|
|
|
use Dazzle\MySQL\Support\Queue\QueueInterface; |
|
19
|
|
|
use Dazzle\MySQL\Support\Transaction\TransactionBox; |
|
20
|
|
|
use Dazzle\MySQL\Support\Transaction\TransactionBoxInterface; |
|
21
|
|
|
use Dazzle\Promise\Promise; |
|
22
|
|
|
use Dazzle\Promise\PromiseInterface; |
|
23
|
|
|
use Dazzle\Socket\Socket; |
|
24
|
|
|
use Dazzle\Socket\SocketInterface; |
|
25
|
|
|
use Dazzle\Throwable\Exception\Runtime\ExecutionException; |
|
26
|
|
|
use RuntimeException; |
|
27
|
|
|
use SplQueue; |
|
28
|
|
|
|
|
29
|
|
|
class Database extends BaseEventEmitter implements DatabaseInterface |
|
30
|
|
|
{ |
|
31
|
|
|
use LoopAwareTrait; |
|
32
|
|
|
|
|
33
|
|
|
/** |
|
34
|
|
|
* @var int |
|
35
|
|
|
*/ |
|
36
|
|
|
const STATE_INIT = 0; |
|
37
|
|
|
|
|
38
|
|
|
/** |
|
39
|
|
|
* @var int |
|
40
|
|
|
*/ |
|
41
|
|
|
const STATE_CONNECT_PENDING = 4; |
|
42
|
|
|
|
|
43
|
|
|
/** |
|
44
|
|
|
* @var int |
|
45
|
|
|
*/ |
|
46
|
|
|
const STATE_CONNECT_FAILED = 2; |
|
47
|
|
|
|
|
48
|
|
|
/** |
|
49
|
|
|
* @var int |
|
50
|
|
|
*/ |
|
51
|
|
|
const STATE_CONNECT_SUCCEEDED = 6; |
|
52
|
|
|
|
|
53
|
|
|
/** |
|
54
|
|
|
* @var int |
|
55
|
|
|
*/ |
|
56
|
|
|
const STATE_AUTH_PENDING = 5; |
|
57
|
|
|
|
|
58
|
|
|
/** |
|
59
|
|
|
* @var int |
|
60
|
|
|
*/ |
|
61
|
|
|
const STATE_AUTH_FAILED = 3; |
|
62
|
|
|
|
|
63
|
|
|
/** |
|
64
|
|
|
* @var int |
|
65
|
|
|
*/ |
|
66
|
|
|
const STATE_AUTH_SUCCEEDED = 7; |
|
67
|
|
|
|
|
68
|
|
|
/** |
|
69
|
|
|
* @var int |
|
70
|
|
|
*/ |
|
71
|
|
|
const STATE_DISCONNECT_PENDING = 8; |
|
72
|
|
|
|
|
73
|
|
|
/** |
|
74
|
|
|
* @var int |
|
75
|
|
|
*/ |
|
76
|
|
|
const STATE_DISCONNECT_SUCCEEDED = 1; |
|
77
|
|
|
|
|
78
|
|
|
/** |
|
79
|
|
|
* @var mixed[] |
|
80
|
|
|
*/ |
|
81
|
|
|
protected $config; |
|
82
|
|
|
|
|
83
|
|
|
/** |
|
84
|
|
|
* @var mixed[] |
|
85
|
|
|
*/ |
|
86
|
|
|
protected $serverInfo; |
|
87
|
|
|
|
|
88
|
|
|
/** |
|
89
|
|
|
* @var int |
|
90
|
|
|
*/ |
|
91
|
|
|
protected $state; |
|
92
|
|
|
|
|
93
|
|
|
/** |
|
94
|
|
|
* @var Queue|QueueInterface |
|
95
|
|
|
*/ |
|
96
|
|
|
protected $queue; |
|
97
|
|
|
|
|
98
|
|
|
/** |
|
99
|
|
|
* @var ProtocolParser|null |
|
100
|
|
|
*/ |
|
101
|
|
|
protected $parser; |
|
102
|
|
|
|
|
103
|
|
|
/** |
|
104
|
|
|
* @var SocketInterface|null |
|
105
|
|
|
*/ |
|
106
|
|
|
protected $stream; |
|
107
|
|
|
|
|
108
|
|
|
/** |
|
109
|
|
|
* @var TransactionBoxInterface |
|
110
|
|
|
*/ |
|
111
|
|
|
protected $transBox; |
|
112
|
|
|
|
|
113
|
|
|
/** |
|
114
|
|
|
* @param LoopInterface $loop |
|
115
|
|
|
* @param mixed[] $config |
|
116
|
|
|
*/ |
|
117
|
|
|
public function __construct(LoopInterface $loop, $config = []) |
|
118
|
|
|
{ |
|
119
|
|
|
$this->loop = $loop; |
|
120
|
|
|
$this->config = $this->createConfig($config); |
|
121
|
|
|
$this->serverInfo = []; |
|
122
|
|
|
$this->state = self::STATE_INIT; |
|
123
|
|
|
$this->queue = $this->createQueue(); |
|
124
|
|
|
$this->parser = null; |
|
125
|
|
|
$this->stream = null; |
|
126
|
|
|
$this->transBox = $this->createTransactionBox(); |
|
127
|
|
|
} |
|
128
|
|
|
|
|
129
|
|
|
/** |
|
130
|
|
|
* @override |
|
131
|
|
|
* @inheritDoc |
|
132
|
|
|
*/ |
|
133
|
|
|
public function isPaused() |
|
134
|
|
|
{ |
|
135
|
|
|
// TODO |
|
136
|
|
|
return false; |
|
137
|
|
|
} |
|
138
|
|
|
|
|
139
|
|
|
/** |
|
140
|
|
|
* @override |
|
141
|
|
|
* @inheritDoc |
|
142
|
|
|
*/ |
|
143
|
|
|
public function pause() |
|
144
|
|
|
{ |
|
145
|
|
|
// TODO |
|
146
|
|
|
} |
|
147
|
|
|
|
|
148
|
|
|
/** |
|
149
|
|
|
* @override |
|
150
|
|
|
* @inheritDoc |
|
151
|
|
|
*/ |
|
152
|
|
|
public function resume() |
|
153
|
|
|
{ |
|
154
|
|
|
// TODO |
|
155
|
|
|
} |
|
156
|
|
|
|
|
157
|
|
|
/** |
|
158
|
|
|
* @override |
|
159
|
|
|
* @inheritDoc |
|
160
|
|
|
*/ |
|
161
|
|
|
public function isStarted() |
|
162
|
|
|
{ |
|
163
|
|
|
return $this->state >= self::STATE_CONNECT_PENDING; |
|
164
|
|
|
} |
|
165
|
|
|
|
|
166
|
|
|
/** |
|
167
|
|
|
* @override |
|
168
|
|
|
* @inheritDoc |
|
169
|
|
|
*/ |
|
170
|
|
|
public function start() |
|
171
|
|
|
{ |
|
172
|
|
|
if ($this->isStarted()) |
|
173
|
|
|
{ |
|
174
|
|
|
return Promise::doResolve($this); |
|
175
|
|
|
} |
|
176
|
|
|
|
|
177
|
|
|
$promise = new Promise(); |
|
178
|
|
|
|
|
179
|
|
|
$this->state = self::STATE_CONNECT_PENDING; |
|
180
|
|
|
$config = $this->config; |
|
181
|
|
|
|
|
182
|
|
|
$errorHandler = function ($command, $reason) use ($promise) { |
|
183
|
|
|
$this->state = self::STATE_AUTH_FAILED; |
|
184
|
|
|
return $promise->reject($reason); |
|
185
|
|
|
}; |
|
186
|
|
|
|
|
187
|
|
|
$connectedHandler = function ($command, $info) use ($promise) { |
|
188
|
|
|
$this->state = self::STATE_AUTH_SUCCEEDED; |
|
189
|
|
|
$this->serverInfo = $info; |
|
190
|
|
|
return $promise->resolve($info); |
|
191
|
|
|
}; |
|
192
|
|
|
|
|
193
|
|
|
$this |
|
194
|
|
|
->connect() |
|
195
|
|
|
->then(function($stream) use ($config, $errorHandler, $connectedHandler) { |
|
196
|
|
|
$this->stream = $stream; |
|
197
|
|
|
|
|
198
|
|
|
$stream->on('error', [ $this, 'handleSocketError' ]); |
|
199
|
|
|
$stream->on('close', [ $this, 'handleSocketClose' ]); |
|
200
|
|
|
|
|
201
|
|
|
$this->state = self::STATE_AUTH_PENDING; |
|
202
|
|
|
$this->parser = new ProtocolParser($stream, $this->queue, $config); |
|
203
|
|
|
|
|
204
|
|
|
$command = $this->doAuth(new AuthCommand($this)); |
|
205
|
|
|
$command->on('success', $connectedHandler); |
|
206
|
|
|
$command->on('error', $errorHandler); |
|
207
|
|
|
|
|
208
|
|
|
$this->parser->start(); |
|
209
|
|
|
}) |
|
210
|
|
|
->done(null, [ $this, 'handleError' ]); |
|
211
|
|
|
|
|
212
|
|
|
return $promise; |
|
213
|
|
|
} |
|
214
|
|
|
|
|
215
|
|
|
/** |
|
216
|
|
|
* @override |
|
217
|
|
|
* @inheritDoc |
|
218
|
|
|
*/ |
|
219
|
|
|
public function stop() |
|
220
|
|
|
{ |
|
221
|
|
|
if (!$this->isStarted()) |
|
222
|
|
|
{ |
|
223
|
|
|
return Promise::doResolve($this); |
|
224
|
|
|
} |
|
225
|
|
|
return new Promise(function($resolve, $reject) { |
|
|
|
|
|
|
226
|
|
|
$this |
|
227
|
|
|
->doCommand(new QuitCommand($this)) |
|
228
|
|
|
->on('success', function() use($resolve) { |
|
229
|
|
|
$this->state = self::STATE_DISCONNECT_SUCCEEDED; |
|
230
|
|
|
$this->emit('stop', [ $this ]); |
|
231
|
|
|
$resolve($this); |
|
232
|
|
|
}); |
|
233
|
|
|
$this->state = self::STATE_DISCONNECT_PENDING; |
|
234
|
|
|
}); |
|
235
|
|
|
} |
|
236
|
|
|
|
|
237
|
|
|
/** |
|
238
|
|
|
* @override |
|
239
|
|
|
* @inheritDoc |
|
240
|
|
|
*/ |
|
241
|
|
|
public function getState() |
|
242
|
|
|
{ |
|
243
|
|
|
return $this->state; |
|
244
|
|
|
} |
|
245
|
|
|
|
|
246
|
|
|
/** |
|
247
|
|
|
* @override |
|
248
|
|
|
* @inheritDoc |
|
249
|
|
|
*/ |
|
250
|
|
|
public function getInfo() |
|
251
|
|
|
{ |
|
252
|
|
|
return $this->serverInfo; |
|
253
|
|
|
} |
|
254
|
|
|
|
|
255
|
|
|
/** |
|
256
|
|
|
* @override |
|
257
|
|
|
* @inheritDoc |
|
258
|
|
|
*/ |
|
259
|
|
|
public function setDatabase($dbname) |
|
260
|
|
|
{ |
|
261
|
|
|
return $this->query(sprintf('USE `%s`', $dbname)); |
|
262
|
|
|
} |
|
263
|
|
|
|
|
264
|
|
|
/** |
|
265
|
|
|
* @override |
|
266
|
|
|
* @inheritDoc |
|
267
|
|
|
*/ |
|
268
|
|
|
public function getDatabase() |
|
269
|
|
|
{ |
|
270
|
|
|
// TODO |
|
271
|
|
|
} |
|
272
|
|
|
|
|
273
|
|
|
/** |
|
274
|
|
|
* @override |
|
275
|
|
|
* @inheritDoc |
|
276
|
|
|
*/ |
|
277
|
|
|
public function query($sql, $sqlParams = []) |
|
278
|
|
|
{ |
|
279
|
|
|
$promise = new Promise(); |
|
280
|
|
|
$query = new Query($sql, $sqlParams); |
|
281
|
|
|
$command = new QueryCommand($this, $query); |
|
282
|
|
|
|
|
283
|
|
|
$this->doCommand($command); |
|
284
|
|
|
|
|
285
|
|
|
$command->on('error', function ($command, $err) use ($promise) { |
|
286
|
|
|
return $promise->reject($err); |
|
287
|
|
|
}); |
|
288
|
|
|
$command->on('success', function ($command) use ($promise) { |
|
289
|
|
|
return $promise->resolve($command); |
|
290
|
|
|
}); |
|
291
|
|
|
|
|
292
|
|
|
return $promise; |
|
293
|
|
|
} |
|
294
|
|
|
|
|
295
|
|
|
/** |
|
296
|
|
|
* @override |
|
297
|
|
|
* @inheritDoc |
|
298
|
|
|
*/ |
|
299
|
|
|
public function execute($sql, $sqlParams = []) |
|
300
|
|
|
{ |
|
301
|
|
|
return $this->query($sql, $sqlParams)->then(function($command) { |
|
302
|
|
|
return $command->affectedRows; |
|
303
|
|
|
}); |
|
304
|
|
|
} |
|
305
|
|
|
|
|
306
|
|
|
/** |
|
307
|
|
|
* @override |
|
308
|
|
|
* @inheritDoc |
|
309
|
|
|
*/ |
|
310
|
|
|
public function ping() |
|
311
|
|
|
{ |
|
312
|
|
|
$promise = new Promise(); |
|
313
|
|
|
|
|
314
|
|
|
$command = $this->doCommand(new PingCommand($this)); |
|
315
|
|
|
$command->on('error', function ($command, $reason) use ($promise) { |
|
316
|
|
|
return $promise->reject($reason); |
|
317
|
|
|
}); |
|
318
|
|
|
$command->on('success', function () use ($promise) { |
|
319
|
|
|
return $promise->resolve(); |
|
320
|
|
|
}); |
|
321
|
|
|
|
|
322
|
|
|
return $promise; |
|
323
|
|
|
} |
|
324
|
|
|
|
|
325
|
|
|
/** |
|
326
|
|
|
* @override |
|
327
|
|
|
* @inheritDoc |
|
328
|
|
|
*/ |
|
329
|
|
|
public function beginTransaction() |
|
330
|
|
|
{ |
|
331
|
|
|
$trans = new Transaction($this); |
|
332
|
|
|
|
|
333
|
|
|
$trans->on('commit', function(TransactionInterface $trans, SplQueue $queue) { |
|
334
|
|
|
$this->commitTransaction($queue)->then( |
|
335
|
|
|
function() use($trans) { |
|
336
|
|
|
return $trans->emit('success', [ $trans ]); |
|
337
|
|
|
}, |
|
338
|
|
|
function($ex) use($trans) { |
|
339
|
|
|
return $trans->emit('error', [ $trans, $ex ]); |
|
340
|
|
|
} |
|
341
|
|
|
); |
|
342
|
|
|
$this->transBox->remove($trans); |
|
343
|
|
|
}); |
|
344
|
|
|
$trans->on('rollback', function(TransactionInterface $trans) { |
|
345
|
|
|
$this->transBox->remove($trans); |
|
346
|
|
|
}); |
|
347
|
|
|
|
|
348
|
|
|
return $this->transBox->add($trans); |
|
349
|
|
|
} |
|
350
|
|
|
|
|
351
|
|
|
/** |
|
352
|
|
|
* @override |
|
353
|
|
|
* @inheritDoc |
|
354
|
|
|
*/ |
|
355
|
|
|
public function endTransaction(TransactionInterface $trans) |
|
356
|
|
|
{ |
|
357
|
|
|
return $trans->rollback(); |
|
358
|
|
|
} |
|
359
|
|
|
|
|
360
|
|
|
/** |
|
361
|
|
|
* Try to commit a transaction. |
|
362
|
|
|
* |
|
363
|
|
|
* @param SplQueue $queue |
|
364
|
|
|
* @return PromiseInterface |
|
365
|
|
|
*/ |
|
366
|
|
|
protected function commitTransaction(SplQueue $queue) |
|
367
|
|
|
{ |
|
368
|
|
|
$promise = new Promise(); |
|
369
|
|
|
$ex = null; |
|
370
|
|
|
|
|
371
|
|
|
$queue->unshift(new QueryCommand($this, new Query('BEGIN'))); |
|
372
|
|
|
$queue->unshift(new QueryCommand($this, new Query('START TRANSACTION'))); |
|
373
|
|
|
|
|
374
|
|
|
$size = 0; |
|
375
|
|
|
$sizeCap = $queue->count(); |
|
376
|
|
|
|
|
377
|
|
|
while (!$queue->isEmpty()) |
|
378
|
|
|
{ |
|
379
|
|
|
$command = $this->doCommand($queue->dequeue()); |
|
380
|
|
|
$command->on('error', function($command, $err) use(&$ex, $promise) { |
|
381
|
|
|
if ($ex === null) |
|
382
|
|
|
{ |
|
383
|
|
|
$ex = $err; |
|
384
|
|
|
$this->doCommand(new QueryCommand($this, new Query('ROLLBACK'))); |
|
385
|
|
|
$promise->reject($ex); |
|
386
|
|
|
} |
|
387
|
|
|
}); |
|
388
|
|
|
$command->on('success', function() use (&$size, &$sizeCap, $promise) { |
|
389
|
|
|
if (++$size >= $sizeCap) |
|
390
|
|
|
{ |
|
391
|
|
|
$commit = $this->doCommand(new QueryCommand($this, new Query('COMMIT'))); |
|
392
|
|
|
$commit->on('success', function() use($promise) { |
|
393
|
|
|
return $promise->resolve(); |
|
394
|
|
|
}); |
|
395
|
|
|
$commit->on('error', function($command, $err) use($promise) { |
|
396
|
|
|
return $promise->reject($err); |
|
397
|
|
|
}); |
|
398
|
|
|
} |
|
399
|
|
|
}); |
|
400
|
|
|
} |
|
401
|
|
|
|
|
402
|
|
|
return $promise; |
|
403
|
|
|
} |
|
404
|
|
|
|
|
405
|
|
|
/** |
|
406
|
|
|
* @override |
|
407
|
|
|
* @inheritDoc |
|
408
|
|
|
*/ |
|
409
|
|
|
public function inTransaction() |
|
410
|
|
|
{ |
|
411
|
|
|
return !$this->transBox->isEmpty(); |
|
412
|
|
|
} |
|
413
|
|
|
|
|
414
|
|
|
/** |
|
415
|
|
|
* @internal |
|
416
|
|
|
*/ |
|
417
|
|
|
public function handleError($err) |
|
418
|
|
|
{ |
|
419
|
|
|
$this->emit('error', [ $this, $err ]); |
|
420
|
|
|
} |
|
421
|
|
|
|
|
422
|
|
|
/** |
|
423
|
|
|
* @internal |
|
424
|
|
|
*/ |
|
425
|
|
|
public function handleSocketError($socket, $err) |
|
426
|
|
|
{ |
|
427
|
|
|
$this->emit('error', [ $this, $err ]); |
|
428
|
|
|
} |
|
429
|
|
|
|
|
430
|
|
|
/** |
|
431
|
|
|
* @internal |
|
432
|
|
|
*/ |
|
433
|
|
|
public function handleSocketClose() |
|
434
|
|
|
{ |
|
435
|
|
|
if ($this->state < self::STATE_DISCONNECT_PENDING) |
|
436
|
|
|
{ |
|
437
|
|
|
$this->state = self::STATE_DISCONNECT_SUCCEEDED; |
|
438
|
|
|
$this->emit('error', [ $this, new RuntimeException('MySQL server has gone away!') ]); |
|
439
|
|
|
} |
|
440
|
|
|
} |
|
441
|
|
|
|
|
442
|
|
|
/** |
|
443
|
|
|
* Do auth command. |
|
444
|
|
|
* |
|
445
|
|
|
* @param CommandInterface $command |
|
446
|
|
|
* @return CommandInterface |
|
447
|
|
|
* @throws ExecutionException |
|
448
|
|
|
*/ |
|
449
|
|
|
protected function doAuth(CommandInterface $command) |
|
450
|
|
|
{ |
|
451
|
|
|
if ($command->equals(Command::INIT_AUTHENTICATE)) |
|
452
|
|
|
{ |
|
453
|
|
|
return $this->queue->unshift($command); |
|
|
|
|
|
|
454
|
|
|
} |
|
455
|
|
|
throw new ExecutionException("Cann't send command"); |
|
456
|
|
|
} |
|
457
|
|
|
|
|
458
|
|
|
/** |
|
459
|
|
|
* Do command. |
|
460
|
|
|
* |
|
461
|
|
|
* @param CommandInterface $command |
|
462
|
|
|
* @return CommandInterface |
|
463
|
|
|
* @throws ExecutionException |
|
464
|
|
|
*/ |
|
465
|
|
|
protected function doCommand($command) |
|
466
|
|
|
{ |
|
467
|
|
|
if ($this->state >= self::STATE_CONNECT_PENDING && $this->state <= self::STATE_AUTH_SUCCEEDED) |
|
468
|
|
|
{ |
|
469
|
|
|
return $this->queue->enqueue($command); |
|
470
|
|
|
} |
|
471
|
|
|
throw new ExecutionException("Cann't send command"); |
|
472
|
|
|
} |
|
473
|
|
|
|
|
474
|
|
|
/** |
|
475
|
|
|
* Connect to the database endpoint. |
|
476
|
|
|
* |
|
477
|
|
|
* @return PromiseInterface |
|
478
|
|
|
*/ |
|
479
|
|
|
protected function connect() |
|
480
|
|
|
{ |
|
481
|
|
|
return Promise::doResolve( |
|
482
|
|
|
new Socket($this->config['endpoint'], $this->getLoop()) |
|
483
|
|
|
); |
|
484
|
|
|
} |
|
485
|
|
|
|
|
486
|
|
|
/** |
|
487
|
|
|
* Create Queue. |
|
488
|
|
|
* |
|
489
|
|
|
* @return Queue|QueueInterface |
|
490
|
|
|
*/ |
|
491
|
|
|
protected function createQueue() |
|
492
|
|
|
{ |
|
493
|
|
|
return new Queue(); |
|
494
|
|
|
} |
|
495
|
|
|
|
|
496
|
|
|
/** |
|
497
|
|
|
* Create transaction box. |
|
498
|
|
|
* |
|
499
|
|
|
* @return TransactionBoxInterface |
|
500
|
|
|
*/ |
|
501
|
|
|
protected function createTransactionBox() |
|
502
|
|
|
{ |
|
503
|
|
|
return new TransactionBox(); |
|
504
|
|
|
} |
|
505
|
|
|
|
|
506
|
|
|
/** |
|
507
|
|
|
* Create configuration file. |
|
508
|
|
|
* |
|
509
|
|
|
* @param mixed[] $config |
|
510
|
|
|
* @return mixed[] |
|
511
|
|
|
*/ |
|
512
|
|
|
protected function createConfig($config = []) |
|
513
|
|
|
{ |
|
514
|
|
|
$default = [ |
|
515
|
|
|
'endpoint' => 'tcp://127.0.0.1:3306', |
|
516
|
|
|
'user' => 'root', |
|
517
|
|
|
'pass' => '', |
|
518
|
|
|
'dbname' => '', |
|
519
|
|
|
]; |
|
520
|
|
|
return array_merge($default, $config); |
|
521
|
|
|
} |
|
522
|
|
|
} |
|
523
|
|
|
|
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.