diff options
Diffstat (limited to 'web/lib/aur.inc')
| -rw-r--r-- | web/lib/aur.inc | 60 |
1 files changed, 53 insertions, 7 deletions
diff --git a/web/lib/aur.inc b/web/lib/aur.inc index fb267af8..1f7b71ad 100644 --- a/web/lib/aur.inc +++ b/web/lib/aur.inc @@ -14,6 +14,12 @@ include_once("config.inc"); include_once("version.inc"); include_once("acctfuncs.inc"); +# Check if APC extension is loaded, and set cache prefix if it is. +if (!defined('EXTENSION_LOADED_APC')) { + define('EXTENSION_LOADED_APC', extension_loaded('apc')); + define('APC_PREFIX', 'aur:'); +} + # see if the visitor is already logged in # function check_sid() { @@ -257,6 +263,46 @@ function db_query($query="", $db_handle="") { return $result; } +# Set a value in the cache (currently APC) if cache is available for use. If +# not available, this becomes effectively a no-op (return value is +# false). Accepts an optional TTL (defaults to 600 seconds). +function set_cache_value($key, $value, $ttl=600) { + $status = false; + if (EXTENSION_LOADED_APC) { + $status = apc_store(APC_PREFIX.$key, $value, $ttl); + } + return $status; +} + +# Get a value from the cache (currently APC) if cache is available for use. If +# not available, this returns false (optionally sets passed in variable $status +# to false, much like apc_fetch() behaves). This allows for testing the fetch +# result appropriately even in the event that a 'false' value was the value in +# the cache. +function get_cache_value($key, &$status=false) { + if(EXTENSION_LOADED_APC) { + $ret = apc_fetch(APC_PREFIX.$key, $status); + if ($status) { + return $ret; + } + } + return $status; +} + +# Run a simple db query, retrieving and/or caching the value if APC is +# available for use. Accepts an optional TTL value (defaults to 600 seconds). +function db_cache_value($dbq, $dbh, $key, $ttl=600) { + $status = false; + $value = get_cache_value($key, $status); + if (!$status) { + $result = db_query($dbq, $dbh); + $row = mysql_fetch_row($result); + $value = $row[0]; + set_cache_value($key, $value, $ttl); + } + return $value; +} + # set up the visitor's language # function set_lang() { @@ -491,12 +537,12 @@ function get_salt($user_id) { $dbh = db_connect(); $salt_q = "SELECT Salt FROM Users WHERE ID = " . $user_id; - $result = db_query($salt_q, $dbh); - if ($result) { - $salt_row = mysql_fetch_row($result); - return $salt_row[0]; - } - return; + $result = db_query($salt_q, $dbh); + if ($result) { + $salt_row = mysql_fetch_row($result); + return $salt_row[0]; + } + return; } function save_salt($user_id, $passwd) @@ -535,7 +581,7 @@ function parse_comment($comment) if ($i % 2) { # convert links $html .= '<a href="' . htmlspecialchars($matches[$i]) . - '">' . htmlspecialchars($matches[$i]) . '</a>'; + '">' . htmlspecialchars($matches[$i]) . '</a>'; } else { # convert everything else |