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Cache for Mysql Data Provider

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This commit is contained in:
Alexander Pankratov 2020-05-02 20:36:59 +03:00
parent 26abf9f04e
commit a883684f05
4 changed files with 133 additions and 37 deletions
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76
src/danog/MadelineProto/Db/ArrayCacheTrait.php Normal file
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@ -0,0 +1,76 @@
<?php
namespace danog\MadelineProto\Db;
trait ArrayCacheTrait
{
/**
* Values stored in this format:
* [
* [
* 'value' => mixed,
* 'ttl' => int
* ],
* ...
* ]
* @var array
*/
protected array $cache = [];
protected string $ttl = '+1 day';
private string $ttlCheckInterval = '+1 second';
private int $nextTtlCheckTs = 0;
protected function getCache(string $key, $default = null)
{
if ($cacheItem = $this->cache[$key] ?? null) {
$this->cache[$key]['ttl'] = strtotime($this->ttl);
} else {
return $default;
}
return $cacheItem['value'];
}
/**
* Save item in cache
*
* @param string $key
* @param $value
*/
protected function setCache(string $key, $value): void
{
$now = time();
$this->cache[$key] = [
'value' => $value,
'ttl' => $now,
];
if ($this->nextTtlCheckTs < $now) {
$this->nextTtlCheckTs = strtotime($this->ttlCheckInterval, $now);
foreach ($this->cache as $cacheKey => $cacheValue) {
if ($cacheValue['ttl'] < $now) {
$this->unsetCache($cacheKey);
}
}
}
}
/**
* Remove key from cache
*
* @param string $key
*/
protected function unsetCache(string $key): void
{
unset($this->cache[$key]);
}
/**
* Remove all keys from cache
*/
protected function clearCache(): void
{
$this->cache = [];
}
}

50
src/danog/MadelineProto/Db/Mysql.php
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@ -5,26 +5,25 @@ namespace danog\MadelineProto\Db;
use Amp\Mysql\ConnectionConfig;
use Amp\Mysql\Pool;
use function Amp\Mysql\Pool;
use function Amp\Promise\wait;
class Mysql
{
/** @var Pool[] */
private static array $connections;
private static function connect(
string $host = '127.0.0.1',
int $port = 3306,
string $user = 'root',
string $password = '',
string $db = 'MadelineProto'
) {
$config = ConnectionConfig::fromString(
"host={$host} port={$port} user={$user} password={$password} db={$db}"
);
return Pool($config);
}
/**
* @param string $host
* @param int $port
* @param string $user
* @param string $password
* @param string $db
*
* @return Pool
* @throws \Amp\Sql\ConnectionException
* @throws \Amp\Sql\FailureException
* @throws \Throwable
*/
public static function getConnection(
string $host = '127.0.0.1',
int $port = 3306,
@ -35,10 +34,31 @@ class Mysql
{
$dbKey = "$host:$port:$db";
if (empty(static::$connections[$dbKey])) {
static::$connections[$dbKey] = static::connect($host, $port, $user, $password, $db);
$config = ConnectionConfig::fromString(
"host={$host} port={$port} user={$user} password={$password} db={$db}"
);
static::createDb($config);
static::$connections[$dbKey] = pool($config);
}
return static::$connections[$dbKey];
}
/**
* @param ConnectionConfig $config
*
* @throws \Amp\Sql\ConnectionException
* @throws \Amp\Sql\FailureException
* @throws \Throwable
*/
private static function createDb(ConnectionConfig $config) {
$db = $config->getDatabase();
wait(pool($config->withDatabase(null))->query("
CREATE DATABASE IF NOT EXISTS `{$db}`
CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci
"));
}
}

41
src/danog/MadelineProto/Db/MysqlArray.php
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@ -8,12 +8,13 @@ use Amp\Producer;
use Amp\Promise;
use Amp\Sql\ResultSet;
use danog\MadelineProto\Logger;
use danog\MadelineProto\Tools;
use function Amp\call;
use function Amp\Promise\wait;
class MysqlArray implements DbArray
{
use ArrayCacheTrait;
private string $table;
private array $settings;
private Pool $db;
@ -48,6 +49,7 @@ class MysqlArray implements DbArray
$instance->table = "{$tablePrefix}_{$name}";
$instance->settings = $settings;
$instance->db = static::getDbConnection($settings);
$instance->ttl = $settings['cache_ttl'] ?? $instance->ttl;
if ($value instanceof static) {
if ($instance->table !== $value->table) {
@ -97,12 +99,7 @@ class MysqlArray implements DbArray
*/
public function offsetExists($index)
{
$row = $this->syncRequest(
"SELECT count(`key`) as `count` FROM {$this->table} WHERE `key` = :index LIMIT 1",
['index' => $index]
);
return !empty($row[0]['count']);
return $this->offsetGet($index) !== null;
}
/**
@ -126,11 +123,20 @@ class MysqlArray implements DbArray
public function offsetGetAsync(string $offset): Promise
{
return call(function() use($offset) {
if ($cached = $this->getCache($offset)) {
return $cached;
}
$row = yield $this->request(
"SELECT `value` FROM {$this->table} WHERE `key` = :index LIMIT 1",
['index' => $offset]
);
return $this->getValue($row);
if ($value = $this->getValue($row)) {
$this->setCache($offset, $value);
}
return $value;
});
}
@ -149,20 +155,13 @@ class MysqlArray implements DbArray
*/
public function offsetSet($index, $value)
{
$this->syncRequest("
INSERT INTO `{$this->table}`
SET `key` = :index, `value` = :value
ON DUPLICATE KEY UPDATE `value` = :value
",
[
'index' => $index,
'value' => serialize($value),
]
);
wait($this->offsetSetAsync($index, $value));
}
public function offsetSetAsync($index, $value): Promise
{
$this->setCache($index, $value);
return $this->request("
INSERT INTO `{$this->table}`
SET `key` = :index, `value` = :value
@ -189,6 +188,8 @@ class MysqlArray implements DbArray
*/
public function offsetUnset($index)
{
$this->unsetCache($index);
$this->syncRequest("
DELETE FROM `{$this->table}`
WHERE `key` = :index
@ -398,7 +399,7 @@ class MysqlArray implements DbArray
*/
private function syncRequest(string $query, array $params = []): array
{
return Tools::wait($this->request($query, $params));
return wait($this->request($query, $params));
}
/**
@ -426,7 +427,5 @@ class MysqlArray implements DbArray
}
return $result;
});
}
}

3
src/danog/MadelineProto/MTProto.php
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@ -1314,7 +1314,8 @@ class MTProto extends AsyncConstruct implements TLCallback
'port' => 3306,
'user' => 'root',
'password' => '',
'database' => 'MadelineProto'
'database' => 'MadelineProto',
'cache_ttl' => '+1 day',
]
],
'upload' => ['allow_automatic_upload' => true, 'part_size' => 512 * 1024, 'parallel_chunks' => 20], 'download' => ['report_broken_media' => true, 'part_size' => 1024 * 1024, 'parallel_chunks' => 20], 'pwr' => [