logview.php

<?php
date_default_timezone_set('Asia/Chongqing');

if ($argc==1) {
	echo "Use default file name /var/log/secure\n";
	$fname = array('/var/log/secure');
} else {
	$fname = (array_slice($argv,1));
}

$recs = array();
foreach ($fname as $f) {
	if (file_exists($f)) {
		$recs = array_merge($recs, file($f));
	}
}
if (!count($recs)) {
	echo "All files are empty\n";
	die();
}


$cmon = date('M');
$result = array();
foreach ($recs as $rec) {
	$columns = explode(' ', $rec);

	if (count($columns)<11) {
		continue;
	}

	$mon  = $columns[0];
	$day  = $columns[1];
	$time = $columns[2];
	$user = $columns[8];
	$ip   = $columns[10];

	$tmp['user'] = $user;
	$tmp['time'] = $time;
	$tmp['ip']   = $ip;

	if ($mon!=$cmon) {
		$result[$mon]['-'][]=$tmp;
	} else {
		$result[$mon][$day][]=$tmp;
	}
}
if (!count($result)) {
	echo "There isnot valid record\n";
	die();
}

foreach ($result as $mon => $record) {
	foreach ($record as $day=>$rec) {
		$user = array();
		foreach ($rec as $r) {
			$user[$r['user']]=1;
		}
		$login_cnt = count($rec);
		$user_cnt  = count($user);
		printf("%s %2d \t登录：%3d\t用户：%3d\n", $mon, $day, $login_cnt, $user_cnt);
	}
}
?>