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litespeed_wiki:cache:no-plugin-setup-guidline [2019/05/17 18:32] Kacey Schroeder [LiteSpeed Cache (LSCache) Introduction] |
litespeed_wiki:cache:no-plugin-setup-guidline [2020/08/13 17:16] Jackson Zhang [How to purge cache by URL] |
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| ===== How to purge cache by URL ===== | ===== How to purge cache by URL ===== | ||
| - | There is a PHP script built into LSWS which will allow you to purge the cache by URL. It is located at ''/usr/local/lsws/admin/misc/purge_cache_byurl.php'' | + | There is a script built into LSWS which will allow you to purge the cache by URL. It is located at ''/usr/local/lsws/admin/misc/purge_cache_by_url'' |
| <code> | <code> | ||
| - | Usage: php $argv[0] -(r|p) domain url [server_ip] [port] | + | Usage: purge_cache_byurl -(r|p) [-ip <ip>] <URL> |
| - | -r method option: Refresh cache (use stale cache while updating cache) | + | |
| - | -p method option: Purge cache (delete cache entry) | + | Purge/Refresh cache for specific URL. |
| - | domain: required parameter for domain name | + | |
| - | url: required parameter for url | + | Required Arguments: |
| - | server_ip: optional parameter, default is 127.0.0.1 | + | -r|-p, Refreshes/Purges the cache for specific page. |
| - | server_port: optional parameter, default is 80 | + | *, Full URL of the specific page to refresh/purge. |
| + | |||
| + | Optional Arguments: | ||
| + | -ip, IP to resolve the hostname of the request to (Only | ||
| + | if it differs from what the DNS A record is set to.) | ||
| + | |||
| + | Notes: | ||
| + | If running on a server other than the one the site is located on, | ||
| + | make sure to add this machines IP to the trusted list inside of | ||
| + | LiteSpeed Web Server or else the Purge/Refresh requests will not | ||
| + | work. | ||
| </code> | </code> | ||
| **Example 1:** | **Example 1:** | ||
| <code> | <code> | ||
| - | /usr/local/lsws/admin/fcgi-bin/admin_php5 /usr/local/lsws/admin/misc/purge_cache_byurl.php -r mywebsite.com /index.php | + | /usr/local/lsws/admin/misc/purge_cache_by_url -r mywebsite.com |
| </code> | </code> | ||
| Line 290: | Line 300: | ||
| <code> | <code> | ||
| - | /usr/local/lsws/admin/misc>php purge_cache_byurl.php -p www.domain.com / | + | /usr/local/lsws/admin/misc>./purge_cache_by_url -p www.domain.com |
| HTTP/1.0 200 Purged | HTTP/1.0 200 Purged | ||
| Date: Wed, 03 Jun 2015 05:48:31 GMT | Date: Wed, 03 Jun 2015 05:48:31 GMT | ||
| Line 301: | Line 311: | ||
| **Note2:** Server_ip can not be omitted in some cases! | **Note2:** Server_ip can not be omitted in some cases! | ||
| - | The script code: | ||
| - | <code> | ||
| - | <?php | ||
| - | /**** | ||
| - | * purge_cache_byurl | ||
| - | * | ||
| - | * Example: /usr/local/lsws/admin/fcgi-bin/admin_php5 /usr/local/lsws/admin/misc/purge_cache_byurl.php -r mywebsite.com /index.php | ||
| - | */ | ||
| - | |||
| - | if ($argc < 4 || $argc > 6) { | ||
| - | echo "Invalid arguments!\n"; | ||
| - | echo "Usage: php $argv[0] -(r|p) domain url [server_ip] [port] | ||
| - | -r method option: Refresh cache (use stale cache while updating cache) | ||
| - | -p method option: Purge cache (delete cache entry) | ||
| - | domain: required parameter for domain name | ||
| - | url: required parameter for url | ||
| - | server_ip: optional parameter, default is 127.0.0.1 | ||
| - | server_port: optional parameter, default is 80 | ||
| - | "; | ||
| - | exit; | ||
| - | } | ||
| - | if ( $argv[1] == '-p' ) | ||
| - | $method = "PURGE"; | ||
| - | else if ($argv[1] == '-r' ) | ||
| - | $method = "REFRESH"; | ||
| - | else | ||
| - | { | ||
| - | echo "ERROR: unknown or missing method option"; | ||
| - | exit; | ||
| - | } | ||
| - | $domain = $argv[2]; | ||
| - | $url = $argv[3]; | ||
| - | $server_ip = ($argc >= 5) ? $argv[4] : '127.0.0.1'; | ||
| - | $port = ($argc == 6) ? $argv[5] : 80; | ||
| - | |||
| - | |||
| - | $fp = fsockopen($server_ip, $port, $errno, $errstr, 2); | ||
| - | if (!$fp) { | ||
| - | echo "$errstr ($errno)\n"; | ||
| - | } else { | ||
| - | $out = "$method $url HTTP/1.0\r\n" | ||
| - | . "Host: $domain\r\n" | ||
| - | . "Connection: Close\r\n\r\n"; | ||
| - | fwrite($fp, $out); | ||
| - | while (!feof($fp)) { | ||
| - | echo fgets($fp, 128); | ||
| - | } | ||
| - | fclose($fp); | ||
| - | } | ||
| - | |||
| - | ?> | ||
| - | |||
| - | </code> | ||
| ====== Examples ====== | ====== Examples ====== | ||