caches instances of the wsdl class More...
Public Member Functions | |
| wsdlcache ($cache_dir='.', $cache_lifetime=0) | |
| createFilename ($wsdl) | |
| creates the filename used to cache a wsdl instance | |
| debug ($string) | |
| adds debug data to the class level debug string | |
| get ($wsdl) | |
| gets a wsdl instance from the cache | |
| obtainMutex ($filename, $mode) | |
| obtains the local mutex | |
| put ($wsdl_instance) | |
| releaseMutex ($filename) | |
| releases the local mutex | |
| remove ($wsdl) | |
| removes a wsdl instance from the cache | |
Data Fields | |
| $fplock | |
| $cache_lifetime | |
| $cache_dir | |
| $debug_str = '' | |
Detailed Description
caches instances of the wsdl class
- Version:
- Id:
- class.wsdlcache.php 6559 2005-01-26 16:40:37Z smeyer
public
Definition at line 13 of file class.wsdlcache.php.
Member Function Documentation
| wsdlcache::createFilename | ( | $ | wsdl | ) |
creates the filename used to cache a wsdl instance
- Parameters:
-
string $wsdl The URL of the wsdl instance
- Returns:
- string The filename used to cache the instance protected
Definition at line 39 of file class.wsdlcache.php.
Referenced by get(), put(), and remove().
{
return $this->cache_dir.'/wsdlcache-' . md5($wsdl);
}
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| wsdlcache::debug | ( | $ | string | ) |
adds debug data to the class level debug string
- Parameters:
-
string $string debug data private
Definition at line 49 of file class.wsdlcache.php.
Referenced by get(), obtainMutex(), put(), and remove().
{
$this->debug_str .= get_class($this).": $string\n";
}
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| wsdlcache::get | ( | $ | wsdl | ) |
gets a wsdl instance from the cache
- Parameters:
-
string $wsdl The URL of the wsdl instance
- Returns:
- object The cached wsdl instance, null if the instance is not in the cache public
Definition at line 60 of file class.wsdlcache.php.
References createFilename(), debug(), obtainMutex(), and releaseMutex().
{
$filename = $this->createFilename($wsdl);
if ($this->obtainMutex($filename, "r")) {
// check for expired WSDL that must be removed from the cache
if ($this->cache_lifetime > 0) {
if (file_exists($filename) && (time() - filemtime($filename) > $this->cache_lifetime)) {
unlink($filename);
$this->debug("Expired $wsdl ($filename) from cache");
$this->releaseMutex($filename);
return null;
}
}
// see what there is to return
$fp = @fopen($filename, "r");
if ($fp) {
$s = implode("", @file($filename));
fclose($fp);
$this->debug("Got $wsdl ($filename) from cache");
} else {
$s = null;
$this->debug("$wsdl ($filename) not in cache");
}
$this->releaseMutex($filename);
return (!is_null($s)) ? unserialize($s) : null;
}
return null;
}
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| wsdlcache::obtainMutex | ( | $ | filename, | |
| $ | mode | |||
| ) |
obtains the local mutex
- Parameters:
-
string $filename The Filename of the Cache to lock string $mode The open-mode ("r" or "w") or the file - affects lock-mode
- Returns:
- boolean Lock successfully obtained ?! protected
Definition at line 96 of file class.wsdlcache.php.
References debug().
Referenced by get(), put(), and remove().
{
if (isset($this->fplock[md5($filename)])) {
$this->debug("Lock for $filename already exists");
return false;
}
$this->fplock[md5($filename)] = fopen($filename.".lock", "w");
if ($mode == "r") {
return flock($this->fplock[md5($filename)], LOCK_SH);
} else {
return flock($this->fplock[md5($filename)], LOCK_EX);
}
}
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| wsdlcache::put | ( | $ | wsdl_instance | ) |
Definition at line 116 of file class.wsdlcache.php.
References createFilename(), debug(), obtainMutex(), and releaseMutex().
{
$filename = $this->createFilename($wsdl_instance->wsdl);
$s = serialize($wsdl_instance);
if ($this->obtainMutex($filename, "w")) {
$fp = fopen($filename, "w");
fputs($fp, $s);
fclose($fp);
$this->debug("Put $wsdl_instance->wsdl ($filename) in cache");
$this->releaseMutex($filename);
return true;
}
return false;
}
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| wsdlcache::releaseMutex | ( | $ | filename | ) |
releases the local mutex
- Parameters:
-
string $filename The Filename of the Cache to lock
- Returns:
- boolean Lock successfully released protected
Definition at line 137 of file class.wsdlcache.php.
Referenced by get(), put(), and remove().
{
$ret = flock($this->fplock[md5($filename)], LOCK_UN);
fclose($this->fplock[md5($filename)]);
unset($this->fplock[md5($filename)]);
return $ret;
}
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| wsdlcache::remove | ( | $ | wsdl | ) |
removes a wsdl instance from the cache
- Parameters:
-
string $wsdl The URL of the wsdl instance
- Returns:
- boolean Whether there was an instance to remove public
Definition at line 151 of file class.wsdlcache.php.
References createFilename(), debug(), obtainMutex(), and releaseMutex().
{
$filename = $this->createFilename($wsdl);
$this->obtainMutex($filename, "w");
$ret = unlink($filename);
$this->debug("Removed $wsdl ($filename) from cache");
$this->releaseMutex($filename);
return $ret;
}
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| wsdlcache::wsdlcache | ( | $ | cache_dir = '.', |
|
| $ | cache_lifetime = 0 | |||
| ) |
Definition at line 26 of file class.wsdlcache.php.
References $cache_dir, and $cache_lifetime.
{
$this->fplock = array();
$this->cache_dir = $cache_dir != '' ? $cache_dir : '.';
$this->cache_lifetime = $cache_lifetime;
}
Field Documentation
| wsdlcache::$cache_dir |
Definition at line 16 of file class.wsdlcache.php.
Referenced by wsdlcache().
| wsdlcache::$cache_lifetime |
Definition at line 15 of file class.wsdlcache.php.
Referenced by wsdlcache().
| wsdlcache::$debug_str = '' |
Definition at line 17 of file class.wsdlcache.php.
| wsdlcache::$fplock |
Definition at line 14 of file class.wsdlcache.php.
The documentation for this class was generated from the following file:
- webservice/soap/lib/class.wsdlcache.php
