function set($key, $value, $expire = CACHE_PERMANENT, $headers = NULL)
{
// Create new cache object.
$cache = new stdClass();
$cache->cid = $key;
$cache->created = time();
$cache->expire = $expire;
$cache->headers = $headers;
$cache->data = $value;
if ($expire == CACHE_TEMPORARY || $expire == CACHE_PERMANENT) {
$set_expire = 0;
} else {
$set_expire = $expire;
}
if (!empty($key)) {
if ($this->settings['shared']) {
if ($this->lock()) {
// Get lookup table to be able to keep track of bins
$lookup = $this->memcache->get($this->lookup);
// If the lookup table is empty, initialize table
if (!is_array($lookup)) {
$lookup = array();
}
// Set key to 1 so we can keep track of the bin
$lookup[$this->key($key)] = $expire;
// Attempt to store full key and value
if (!$this->memcache->set($this->key($key), $cache, $this->settings['compress'], $set_expire)) {
unset($lookup[$this->key($key)]);
$return = FALSE;
} else {
// Update static cache
parent::set($this->key($key), $cache);
$return = TRUE;
}
// Resave the lookup table (even on failure)
$this->memcache->set($this->lookup, $lookup, FALSE, 0);
// Remove lock.
$this->unlock();
}
} else {
// Update memcache
return $this->memcache->set($this->key($key), $cache, $this->settings['compress'], $set_expire);
}
}
}
function set($key, $value, $expire = CACHE_PERMANENT, $headers = NULL)
{
// Create new cache object.
$cache = new stdClass();
$cache->cid = $key;
$cache->created = time();
$cache->headers = $headers;
$cache->expire = $expire;
if (!is_string($value)) {
$cache->serialized = TRUE;
$cache->data = serialize($value);
} else {
$cache->serialized = FALSE;
$cache->data = $value;
}
db_query("UPDATE {" . $this->name . "} SET data = %b, created = %d, expire = %d, headers = '%s', serialized = %d WHERE cid = '%s'", $cache->data, $cache->created, $cache->expire, $cache->headers, $cache->serialized, $key);
if (!db_affected_rows()) {
@db_query("INSERT INTO {" . $this->name . "} (cid, data, created, expire, headers, serialized) VALUES ('%s', %b, %d, %d, '%s', %d)", $key, $cache->data, $cache->created, $cache->expire, $cache->headers, $cache->serialized);
}
parent::set($key, $cache);
}
/**
* set()
* Add item into cache.
*
* @param string $key
* The key to set.
* @param string $value
* The data to store in the cache.
* @param string $expire
* The time to expire in seconds.
* @param string $headers
* The page headers.
* @return bool
* Returns TRUE on success or FALSE on failure
*/
function set($key, $value, $expire = CACHE_PERMANENT, $headers = NULL)
{
// Create new cache object.
$cache = new stdClass();
$cache->cid = $key;
$cache->created = time();
$cache->expire = $expire;
$cache->headers = $headers;
$cache->data = $value;
if ($expire != CACHE_PERMANENT && $expire != CACHE_TEMPORARY) {
// Convert Drupal $expire, which is a timestamp, to a TTL
$ttl = $expire - time();
} else {
$ttl = 0;
}
$return = FALSE;
if (!empty($key) && $this->lock()) {
// Get lookup table to be able to keep track of bins
$lookup = xcache_get($this->lookup);
// If the lookup table is empty, initialize table
if (!is_array($lookup)) {
$lookup = array();
}
$lookup[$this->key($key)] = $expire;
// Attempt to store full key and value
if (!xcache_set($this->key($key), serialize($cache), $ttl)) {
unset($lookup[$this->key($key)]);
$return = FALSE;
} else {
// Update static cache
parent::set($this->key($key), $cache);
$return = TRUE;
}
// Resave the lookup table (even on failure)
xcache_set($this->lookup, $lookup);
// Remove lock.
$this->unlock();
}
return $return;
}
