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<?php
// $Id$
function watchdog_help() {
?>
<P>The watchdog module monitors your website, captures system events in a log and records them to be reviewed by an authorized individual at a later time. The watchdog log is simply a list of events recorded during operation and contains usage data, performance data, errors, warnings and operational information. It is vital to check the watchdog report on a regular basis as it is often the only way to tell what is going on.</P>
<P>To ease administration, the watchdog will automatically discard old log entries.</P>
<?php
}
function watchdog_system($field){
$system["description"] = t("Logs and records system events.");
return $system[$field];
}
function watchdog_perm() {
return array("administer watchdog");
}
function watchdog_link($type) {
if ($type == "admin" && user_access("administer watchdog")) {
$help = "The watchdog module monitors your website, captures system events in a log and records them to be reviewed by an authorized individual at a later time. The watchdog log is simply a list of events recorded during operation and contains usage data, performance data, errors, warnings and operational information. It is vital to check the watchdog report on a regular basis as it is often the only way to tell what is going on.";
menu_add("site monitoring", "admin.php?mod=watchdog", "Monitor your site.", NULL, NULL, 2);
menu_add("watchdog", "admin.php?mod=watchdog&type=all", "Display system events.", $help, "site monitoring", 1, 1);
menu_add("user messages", "admin.php?mod=watchdog&type=user", "Display system events", $help, "watchdog");
menu_add("regular messages", "admin.php?mod=watchdog&type=regular", "Display system events", $help, "watchdog");
menu_add("special messages", "admin.php?mod=watchdog&type=special", "Display system events", $help, "watchdog");
menu_add("warning messages", "admin.php?mod=watchdog&type=warning", "Display system events", $help, "watchdog");
menu_add("error messages", "admin.php?mod=watchdog&type=error", "Display system events", $help, "watchdog");
menu_add("httpd messages", "admin.php?mod=watchdog&type=httpd", "Display system events", $help, "watchdog");
}
}
function watchdog_conf_options() {
$period = array(3600 => format_interval(3600), 10800 => format_interval(10800), 21600 => format_interval(21600), 32400 => format_interval(32400), 43200 => format_interval(43200), 86400 => format_interval(86400), 172800 => format_interval(172800), 259200 => format_interval(259200), 604800 => format_interval(604800), 1209600 => format_interval(1209600), 2419200 => format_interval(2419200), 1000000000 => t("Never"));
$output .= form_select(t("Discard entries older than"), "watchdog_clear", variable_get("watchdog_clear", 604800), $period, t("The time watchdog entries should be kept. Older entries will be automatically discarded. Requires crontab."));
return $output;
}
function watchdog_cron() {
db_query("DELETE FROM watchdog WHERE ". time() ." - timestamp > ". variable_get("watchdog_clear", 604800));
}
function watchdog_overview($type) {
$color = array("user" => "#FFEEAA", "message" => "#FFFFFF", "special" => "#A49FFF", "warning" => "#FFAA22", "httpd" => "#99DD99", "error" => "#EE4C4C");
$query = array("user" => "WHERE type = 'user'", "regular" => "WHERE type = 'message'", "special" => "WHERE type = 'special'", "warning" => "WHERE type = 'warning'", "error" => "WHERE type = 'error'", "httpd" => "WHERE type = 'httpd'", "actions" => "WHERE link != ''");
$result = pager_query("SELECT w.*, u.name, u.uid FROM watchdog w LEFT JOIN users u ON w.uid = u.uid ". ($type ? $query[$type] : "") ." ORDER BY w.timestamp DESC", 100);
$output .= "<table>";
$output .= " <tr><th>" . t("date") . "</th><th>" . t("event") . "</th><th>" . t("user") . "</th><th colspan=\"2\">" . t("operations") . "</th></tr>";
while ($watchdog = db_fetch_object($result)) {
if ($background = $color[$watchdog->type]) {
$output .= " <tr bgcolor=\"$background\"><td nowrap=\"nowrap\">". format_date($watchdog->timestamp, "small") ."</td><td>". substr(strip_tags($watchdog->message), 0, 64) ."</td><td align=\"center\">". format_name($watchdog) ."</a></td><td align=\"center\">$watchdog->link</td><td align=\"center\">". la(t("view details"), array("mod" => "watchdog", "op" => "view", "id" => $watchdog->wid)) ."</td></tr>";
}
}
if ($pager = pager_display(NULL, 100, 0, "admin")) {
$output .= " <tr><td align=\"center\" colspan=\"4\">$pager</td></tr>";
}
$output .= "</table>";
return $output;
}
function watchdog_view($id) {
$result = db_query("SELECT w.*, u.name, u.uid FROM watchdog w LEFT JOIN users u ON w.uid = u.uid WHERE w.wid = '%d'", $id);
if ($watchdog = db_fetch_object($result)) {
$output .= "<table border=\"1\" cellpadding=\"2\" cellspacing=\"2\">";
$output .= " <tr><th>". t("Type") ."</th><td>$watchdog->type</td></tr>";
$output .= " <tr><th>". t("Date") ."</th><td>". format_date($watchdog->timestamp, "large") ."</td></tr>";
$output .= " <tr><th>". t("User") ."</th><td>". format_name($watchdog) ."</td></tr>";
$output .= " <tr><th>". t("Location") ."</th><td>$watchdog->location</td></tr>";
$output .= " <tr><th>". t("Message") ."</th><td>$watchdog->message</td></tr>";
$output .= " <tr><th>". t("Hostname") ."</th><td>$watchdog->hostname</td></tr>";
$output .= "</table>";
return $output;
}
}
function watchdog_admin() {
global $op, $id, $type, $order;
if (user_access("administer watchdog")) {
switch ($op) {
case "help":
watchdog_help();
break;
case "view":
print watchdog_view(check_input($id));
break;
default:
print watchdog_overview($type);
}
}
else {
print message_access();
}
}
?>
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