|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace Padosoft\SuperCacheInvalidate\Helpers; |
|
4
|
|
|
|
|
5
|
|
|
use Illuminate\Support\Facades\DB; |
|
6
|
|
|
use Illuminate\Support\Facades\Log; |
|
7
|
|
|
use Illuminate\Support\Facades\Redis; |
|
8
|
|
|
use Illuminate\Support\Carbon; |
|
9
|
|
|
|
|
10
|
|
|
class SuperCacheInvalidationHelper |
|
11
|
|
|
{ |
|
12
|
|
|
/** |
|
13
|
|
|
* Insert a cache invalidation event into the database. |
|
14
|
|
|
* |
|
15
|
|
|
* @param string $type 'key' or 'tag' |
|
16
|
|
|
* @param string $identifier The cache key or tag to invalidate |
|
17
|
|
|
* @param string|null $connection_name The Redis Connection name (optional, 'default') |
|
18
|
|
|
* @param string|null $reason Reason for invalidation (optional) |
|
19
|
|
|
* @param int|null $totalShards Total number of shards (from config if null) |
|
20
|
|
|
* @param int|null $priority Priority of the event |
|
21
|
|
|
* @param int|null $processed Processed = 0 o 1 |
|
22
|
|
|
* @param Carbon|null $event_time Orario vero in cui si è richiesta l'invalidazione |
|
23
|
|
|
*/ |
|
24
|
|
|
public function insertInvalidationEvent( |
|
25
|
|
|
string $type, |
|
26
|
|
|
string $identifier, |
|
27
|
|
|
?string $connection_name = null, |
|
28
|
|
|
?string $reason = null, |
|
29
|
|
|
?int $totalShards = 0, |
|
30
|
|
|
?int $priority = 0, |
|
31
|
|
|
?int $processed = 0, |
|
32
|
|
|
?Carbon $event_time = null, |
|
33
|
|
|
/*?array $associatedIdentifiers = [],*/ |
|
34
|
|
|
): void { |
|
35
|
|
|
$shard = crc32($identifier) % ($totalShards > 0 ? $totalShards : config('super_cache_invalidate.total_shards', 10)); |
|
36
|
|
|
$redisConnectionName = $connection_name ?? config('super_cache_invalidate.default_connection_name'); |
|
37
|
|
|
$data = [ |
|
38
|
|
|
'type' => $type, |
|
39
|
|
|
'identifier' => $identifier, |
|
40
|
|
|
'connection_name' => $redisConnectionName, |
|
41
|
|
|
'reason' => $reason, |
|
42
|
|
|
'priority' => $priority, |
|
43
|
|
|
'event_time' => $event_time ?? now(), |
|
44
|
|
|
'processed' => $processed, // ATTENZIONE, poichè abbiamo solo 2 priorità, nel caso di priorità 1 verrà passato 1 perchè l'invalidazione la fa il progetto |
|
45
|
|
|
'shard' => $shard, |
|
46
|
|
|
]; |
|
47
|
|
|
|
|
48
|
|
|
$maxAttempts = 5; |
|
49
|
|
|
$attempts = 0; |
|
50
|
|
|
$insertOk = false; |
|
51
|
|
|
|
|
52
|
|
|
while ($attempts < $maxAttempts && !$insertOk) { |
|
53
|
|
|
//DB::beginTransaction(); |
|
54
|
|
|
|
|
55
|
|
|
try { |
|
56
|
|
|
// Cerca di bloccare il record per l'inserimento |
|
57
|
|
|
switch ($processed) { |
|
58
|
|
|
case 0: |
|
|
|
|
|
|
59
|
|
|
$partitionCache_invalidation_events = $this->getCacheInvalidationEventsUnprocessedPartitionName($shard, $priority); |
|
|
|
|
|
|
60
|
|
|
break; |
|
61
|
|
|
case 1: |
|
62
|
|
|
$partitionCache_invalidation_events = $this->getCacheInvalidationEventsProcessedPartitionName($shard, $priority, $event_time ?? now()); |
|
|
|
|
|
|
63
|
|
|
break; |
|
64
|
|
|
default: |
|
65
|
|
|
$attempts = 5; // Mi fermo |
|
66
|
|
|
throw new \RuntimeException('Invalid value for processed'); |
|
67
|
|
|
} |
|
68
|
|
|
//$eventId = DB::table(DB::raw("`cache_invalidation_events` PARTITION ({$partitionCache_invalidation_events})"))->insertGetId($data); |
|
69
|
|
|
DB::table(DB::raw("`cache_invalidation_events` PARTITION ({$partitionCache_invalidation_events})"))->insert($data); |
|
70
|
|
|
// Insert associated identifiers |
|
71
|
|
|
// TODO JB 31/12/2024: per adesso commentato, da riattivare quando tutto funziona alla perfezione usando la partizione, |
|
72
|
|
|
// anche perchè la chiave primaria è data da id e partiton_key, per cui va capito cosa restituisce insertGetId e se è bloccante |
|
73
|
|
|
/* |
|
74
|
|
|
if (!empty($associatedIdentifiers)) { |
|
75
|
|
|
$associations = []; |
|
76
|
|
|
foreach ($associatedIdentifiers as $associated) { |
|
77
|
|
|
$associations[] = [ |
|
78
|
|
|
'event_id' => $eventId, |
|
79
|
|
|
'associated_type' => $associated['type'], // 'key' or 'tag' |
|
80
|
|
|
'associated_identifier' => $associated['identifier'], |
|
81
|
|
|
'connection_name' => $associated['connection_name'], |
|
82
|
|
|
'created_at' => now(), |
|
83
|
|
|
]; |
|
84
|
|
|
} |
|
85
|
|
|
DB::table('cache_invalidation_event_associations')->insert($associations); |
|
86
|
|
|
} |
|
87
|
|
|
*/ |
|
88
|
|
|
$insertOk = true; |
|
89
|
|
|
//DB::commit(); // Completa la transazione |
|
90
|
|
|
} catch (\Throwable $e) { |
|
91
|
|
|
//DB::rollBack(); // Annulla la transazione in caso di errore |
|
92
|
|
|
$attempts++; |
|
93
|
|
|
Log::error("SuperCacheInvalidate: impossibile eseguire insert, tentativo $attempts di $maxAttempts: " . $e->getMessage()); |
|
94
|
|
|
// Logica per gestire i tentativi falliti |
|
95
|
|
|
if ($attempts >= $maxAttempts) { |
|
96
|
|
|
// Salta il record dopo il numero massimo di tentativi |
|
97
|
|
|
Log::error("SuperCacheInvalidate: impossibile eseguire insert dopo $maxAttempts tentativi: " . $e->getMessage()); |
|
98
|
|
|
} |
|
99
|
|
|
} |
|
100
|
|
|
} |
|
101
|
|
|
} |
|
102
|
|
|
|
|
103
|
|
|
/** |
|
104
|
|
|
* Acquire a lock for processing a shard. |
|
105
|
|
|
* |
|
106
|
|
|
* @param int $shardId The shard number |
|
107
|
|
|
* @param int $lockTimeout Lock timeout in seconds |
|
108
|
|
|
* @param string $connection_name The Redis Connection name |
|
109
|
|
|
* @return string|false The lock value if acquired, false otherwise |
|
110
|
|
|
*/ |
|
111
|
|
|
public function acquireShardLock(int $shardId, int $priority, int $lockTimeout, string $connection_name): bool|string |
|
112
|
|
|
{ |
|
113
|
|
|
$lockKey = 'shard_lock:' . $shardId . '_' . $priority; |
|
114
|
|
|
// Il metodo has/exists occupa troppa memoria!!! |
|
115
|
|
|
$retrieveValue = Redis::connection($connection_name)->get($lockKey); |
|
116
|
|
|
if ($retrieveValue !== null) { |
|
117
|
|
|
// Lock già attivo |
|
118
|
|
|
return false; |
|
119
|
|
|
} |
|
120
|
|
|
$lockValue = uniqid('', true); |
|
121
|
|
|
$isLocked = Redis::connection($connection_name)->set($lockKey, $lockValue); |
|
122
|
|
|
|
|
123
|
|
|
if ($lockTimeout > 0) { |
|
124
|
|
|
Redis::connection($connection_name)->expire($lockKey, $lockTimeout); |
|
125
|
|
|
} |
|
126
|
|
|
|
|
127
|
|
|
return $isLocked ? $lockValue : false; |
|
128
|
|
|
} |
|
129
|
|
|
|
|
130
|
|
|
/** |
|
131
|
|
|
* Release the lock for a shard. |
|
132
|
|
|
* |
|
133
|
|
|
* @param int $shardId The shard number |
|
134
|
|
|
* @param string $lockValue The lock value to validate ownership |
|
135
|
|
|
* @param string $connection_name The Redis Connection name |
|
136
|
|
|
*/ |
|
137
|
|
|
public function releaseShardLock(int $shardId, int $priority, string $lockValue, string $connection_name): void |
|
138
|
|
|
{ |
|
139
|
|
|
$lockKey = 'shard_lock:' . $shardId . '_' . $priority; |
|
140
|
|
|
$currentValue = Redis::connection($connection_name)->get($lockKey); |
|
141
|
|
|
if ($currentValue === $lockValue) { |
|
142
|
|
|
Redis::connection($connection_name)->del($lockKey); |
|
143
|
|
|
} |
|
144
|
|
|
} |
|
145
|
|
|
|
|
146
|
|
|
public function getCacheInvalidationEventsUnprocessedPartitionName(int $shardId, int $priorityId): string |
|
147
|
|
|
{ |
|
148
|
|
|
$partitionValue = ($priorityId * 10) + $shardId; |
|
149
|
|
|
return "p_unprocessed_{$partitionValue}"; |
|
150
|
|
|
} |
|
151
|
|
|
|
|
152
|
|
|
public function getCacheInvalidationEventsProcessedPartitionName(int $shardId, int $priorityId, Carbon $event_time): string |
|
153
|
|
|
{ |
|
154
|
|
|
$partitionValue = ($event_time->year * 10000) + ($event_time->weekOfYear * 100) + ($priorityId * 10) + $shardId; |
|
155
|
|
|
return "p_processed_{$partitionValue}"; |
|
156
|
|
|
} |
|
157
|
|
|
} |
|
158
|
|
|
|
padosoft /
laravel-super-cache-invalidate
Loading history...