XcacheCache.php 3.0 KB

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  1. <?php
  2. /*
  3. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  4. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  5. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  6. * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  7. * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  8. * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  9. * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  10. * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  11. * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  12. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  13. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  14. *
  15. * This software consists of voluntary contributions made by many individuals
  16. * and is licensed under the MIT license. For more information, see
  17. * <http://www.doctrine-project.org>.
  18. */
  19. namespace Doctrine\Common\Cache;
  20. /**
  21. * Xcache cache driver.
  22. *
  23. * @link www.doctrine-project.org
  24. * @since 2.0
  25. * @author Benjamin Eberlei <kontakt@beberlei.de>
  26. * @author Guilherme Blanco <guilhermeblanco@hotmail.com>
  27. * @author Jonathan Wage <jonwage@gmail.com>
  28. * @author Roman Borschel <roman@code-factory.org>
  29. * @author David Abdemoulaie <dave@hobodave.com>
  30. */
  31. class XcacheCache extends CacheProvider
  32. {
  33. /**
  34. * {@inheritdoc}
  35. */
  36. protected function doFetch($id)
  37. {
  38. return $this->doContains($id) ? unserialize(xcache_get($id)) : false;
  39. }
  40. /**
  41. * {@inheritdoc}
  42. */
  43. protected function doContains($id)
  44. {
  45. return xcache_isset($id);
  46. }
  47. /**
  48. * {@inheritdoc}
  49. */
  50. protected function doSave($id, $data, $lifeTime = 0)
  51. {
  52. return xcache_set($id, serialize($data), (int) $lifeTime);
  53. }
  54. /**
  55. * {@inheritdoc}
  56. */
  57. protected function doDelete($id)
  58. {
  59. return xcache_unset($id);
  60. }
  61. /**
  62. * {@inheritdoc}
  63. */
  64. protected function doFlush()
  65. {
  66. $this->checkAuthorization();
  67. xcache_clear_cache(XC_TYPE_VAR, 0);
  68. return true;
  69. }
  70. /**
  71. * Checks that xcache.admin.enable_auth is Off.
  72. *
  73. * @return void
  74. *
  75. * @throws \BadMethodCallException When xcache.admin.enable_auth is On.
  76. */
  77. protected function checkAuthorization()
  78. {
  79. if (ini_get('xcache.admin.enable_auth')) {
  80. throw new \BadMethodCallException('To use all features of \Doctrine\Common\Cache\XcacheCache, you must set "xcache.admin.enable_auth" to "Off" in your php.ini.');
  81. }
  82. }
  83. /**
  84. * {@inheritdoc}
  85. */
  86. protected function doGetStats()
  87. {
  88. $this->checkAuthorization();
  89. $info = xcache_info(XC_TYPE_VAR, 0);
  90. return array(
  91. Cache::STATS_HITS => $info['hits'],
  92. Cache::STATS_MISSES => $info['misses'],
  93. Cache::STATS_UPTIME => null,
  94. Cache::STATS_MEMORY_USAGE => $info['size'],
  95. Cache::STATS_MEMORY_AVAILABLE => $info['avail'],
  96. );
  97. }
  98. }