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fixed redis response parsing for large data

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fixes #743
This commit is contained in:
Carsten Brandt
2013-08-12 01:17:53 +02:00
parent a5a64dd7c9
commit b84097c1ae
2 changed files with 51 additions and 7 deletions
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18
framework/yii/db/redis/Connection.php
View File

@ -371,7 +371,7 @@ class Connection extends Component
array_unshift($params, $name);
$command = '*' . count($params) . "\r\n";
foreach($params as $arg) {
$command .= '$' . strlen($arg) . "\r\n" . $arg . "\r\n";
$command .= '$' . mb_strlen($arg, '8bit') . "\r\n" . $arg . "\r\n";
}
\Yii::trace("Executing Redis Command: {$name}", __CLASS__);
@ -382,11 +382,11 @@ class Connection extends Component
private function parseResponse($command)
{
if(($line = fgets($this->_socket))===false) {
if(($line = fgets($this->_socket)) === false) {
throw new Exception("Failed to read from socket.\nRedis command was: " . $command);
}
$type = $line[0];
$line = substr($line, 1, -2);
$line = mb_substr($line, 1, -2, '8bit');
switch($type)
{
case '+': // Status reply
@ -400,10 +400,16 @@ class Connection extends Component
if ($line == '-1') {
return null;
}
if(($data = fread($this->_socket, $line + 2))===false) {
throw new Exception("Failed to read from socket.\nRedis command was: " . $command);
$length = $line + 2;
$data = '';
while ($length > 0) {
if(($block = fread($this->_socket, $line + 2)) === false) {
throw new Exception("Failed to read from socket.\nRedis command was: " . $command);
}
$data .= $block;
$length -= mb_strlen($block, '8bit');
}
return substr($data, 0, -2);
return mb_substr($data, 0, -2, '8bit');
case '*': // Multi-bulk replies
$count = (int) $line;
$data = array();

40
tests/unit/framework/caching/RedisCacheTest.php
View File

@ -7,7 +7,7 @@ use yiiunit\TestCase;
/**
* Class for testing redis cache backend
*/
class RedisCacheTest extends CacheTest
class RedisCacheTest extends CacheTestCase
{
private $_cacheInstance = null;
@ -20,6 +20,7 @@ class RedisCacheTest extends CacheTest
'hostname' => 'localhost',
'port' => 6379,
'database' => 0,
'dataTimeout' => 0.1,
);
$dsn = $config['hostname'] . ':' .$config['port'];
if(!@stream_socket_client($dsn, $errorNumber, $errorDescription, 0.5)) {
@ -42,4 +43,41 @@ class RedisCacheTest extends CacheTest
usleep(300000);
$this->assertFalse($cache->get('expire_test_ms'));
}
/**
* Store a value that is 2 times buffer size big
* https://github.com/yiisoft/yii2/issues/743
*/
public function testLargeData()
{
$cache = $this->getCacheInstance();
$data=str_repeat('XX',8192); // http://www.php.net/manual/en/function.fread.php
$key='bigdata1';
$this->assertFalse($cache->get($key));
$cache->set($key,$data);
$this->assertTrue($cache->get($key)===$data);
// try with multibyte string
$data=str_repeat('ЖЫ',8192); // http://www.php.net/manual/en/function.fread.php
$key='bigdata2';
$this->assertFalse($cache->get($key));
$cache->set($key,$data);
$this->assertTrue($cache->get($key)===$data);
}
public function testMultiByteGetAndSet()
{
$cache = $this->getCacheInstance();
$data=array('abc'=>'ежик',2=>'def');
$key='data1';
$this->assertFalse($cache->get($key));
$cache->set($key,$data);
$this->assertTrue($cache->get($key)===$data);
}
}