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boinc
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svn path=/trunk/boinc/; revision=3944
This commit is contained in:
Eric J. Korpela 2004-07-23 01:07:18 +00:00
parent a7a656299d
commit fd201edeca
2 changed files with 52 additions and 42 deletions
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87
html/inc/cache.inc
View File

@ -28,57 +28,60 @@ function get_path($params) {
}
function start_cache($max_age, $params=""){
$path = get_path($params);
$request = getallheaders();
// Check to see if this is a conditional fetch.
$lastmodified = @filemtime($path);
if ($max_age) {
$path = get_path($params);
$request = getallheaders();
// Check to see if this is a conditional fetch.
$lastmodified = @filemtime($path);
$if_modified_since = isset($request['If-Modified-Since']) ?
$if_modified_since = isset($request['If-Modified-Since']) ?
(explode(';',$request['If-Modified-Since'])) :
false;
if ($if_modified_since) {
$if_modified_since=strtotime($if_modified_since[0]);
}
if ($if_modified_since) {
$if_modified_since=strtotime($if_modified_since[0]);
}
if ($if_modified_since && ($if_modified_since == $lastmodified)) {
Header("Last-Modified: " . gmdate("D, d M Y H:i:s",$lastmodified) . " GMT");
Header('HTTP/1.0 304 Not Modified');
exit;
}
if ($if_modified_since && ($if_modified_since == $lastmodified)) {
Header("Last-Modified: " . gmdate("D, d M Y H:i:s",$lastmodified) . " GMT");
Header('HTTP/1.0 304 Not Modified');
exit;
}
if ($lastmodified<time()-$max_age){
// If cached version is too old (or non-existent)
// generate the page and write to cache
//
ob_start();
ob_implicit_flush(0);
Header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
Header("Expires: " . gmdate("D, d M Y H:i:s",time()+$max_age) . " GMT");
Header("Cache-Control: public, max-age=" . $max_age);
} else {
// Otherwise serve the cached version and exit
//
if (strstr($params, "format=xml")) {
header('Content-type: text/xml');
}
Header("Last-Modified: " . gmdate("D, d M Y H:i:s",$lastmodified) . " GMT");
Header("Expires: " . gmdate("D, d M Y H:i:s",$lastmodified+$max_age) . " GMT");
Header("Cache-Control: public, max-age=" . $max_age );
readfile($path);
exit;
}
if ($lastmodified<time()-$max_age){
// If cached version is too old (or non-existent)
// generate the page and write to cache
//
ob_start();
ob_implicit_flush(0);
Header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
Header("Expires: " . gmdate("D, d M Y H:i:s",time()+$max_age) . " GMT");
Header("Cache-Control: public, max-age=" . $max_age);
} else {
// Otherwise serve the cached version and exit
//
if (strstr($params, "format=xml")) {
header('Content-type: text/xml');
}
Header("Last-Modified: " . gmdate("D, d M Y H:i:s",$lastmodified) . " GMT");
Header("Expires: " . gmdate("D, d M Y H:i:s",$lastmodified+$max_age) . " GMT");
Header("Cache-Control: public, max-age=" . $max_age );
readfile($path);
exit;
}
}
}
// write output buffer both to client and to cache
//
function end_cache($params=""){
$path = get_path($params);
$fhandle=fopen($path, "w");
$page=ob_get_contents();
ob_end_flush();
fwrite($fhandle, $page);
fclose($fhandle);
function end_cache($max_age,$params=""){
if ($max_age) {
$path = get_path($params);
$fhandle=fopen($path, "w");
$page=ob_get_contents();
ob_end_flush();
fwrite($fhandle, $page);
fclose($fhandle);
}
}
?>

7
html/user/hosts_user.php
View File

@ -5,10 +5,14 @@
require_once("../inc/db.inc");
require_once("../inc/util.inc");
require_once("../inc/host.inc");
require_once("../inc/cache.inc");
db_init();
$userid = $_GET["userid"];
if ($userid) {
$cache_args = "userid=$userid";
$caching=true;
start_cache(USER_PAGE_TTL,$cache_args);
$result = mysql_query("select * from user where id=$userid");
$user = mysql_fetch_object($result);
mysql_free_result($result);
@ -17,10 +21,12 @@
user_host_table_start(false);
} else {
echo "Hidden\n";
end_cache($cache_args);
exit();
}
$private = false;
} else {
$caching=false;
$user = get_logged_in_user();
$userid = $user->id;
page_head("Your computers");
@ -36,4 +42,5 @@
mysql_free_result($result);
echo "</table>\n";
page_tail();
if ($caching) end_cache($cache_args);
?>