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Log channels, PHP script diffs when told.

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This commit is contained in:
Matthew Bowra-Dean
2010-06-10 12:41:15 +12:00
parent 5f48577ebc
commit aa239d172d
16 changed files with 253 additions and 66 deletions
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148
web/logs/upload.php
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@@ -1,19 +1,159 @@
<?php
/**
Diff implemented in pure php, written from scratch.
Copyright (C) 2003 Daniel Unterberger <diff.phpnet@holomind.de>
Copyright (C) 2005 Nils Knappmeier next version
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
http://www.gnu.org/licenses/gpl.html
About:
I searched a function to compare arrays and the array_diff()
was not specific enough. It ignores the order of the array-values.
So I reimplemented the diff-function which is found on unix-systems
but this you can use directly in your code and adopt for your needs.
Simply adopt the formatline-function. with the third-parameter of arr_diff()
you can hide matching lines. Hope someone has use for this.
Contact: d.u.diff@holomind.de <daniel unterberger>
**/
## PHPDiff returns the differences between $old and $new, formatted
## in the standard diff(1) output format.
function PHPDiff($old,$new)
{
# split the source text into arrays of lines
$t1 = explode("\n",$old);
$x=array_pop($t1);
if ($x>'') $t1[]="$x\n\\ No newline at end of file";
$t2 = explode("\n",$new);
$x=array_pop($t2);
if ($x>'') $t2[]="$x\n\\ No newline at end of file";
# build a reverse-index array using the line as key and line number as value
# don't store blank lines, so they won't be targets of the shortest distance
# search
foreach($t1 as $i=>$x) if ($x>'') $r1[$x][]=$i;
foreach($t2 as $i=>$x) if ($x>'') $r2[$x][]=$i;
$a1=0; $a2=0; # start at beginning of each list
$actions=array();
# walk this loop until we reach the end of one of the lists
while ($a1<count($t1) && $a2<count($t2)) {
# if we have a common element, save it and go to the next
if ($t1[$a1]==$t2[$a2]) { $actions[]=4; $a1++; $a2++; continue; }
# otherwise, find the shortest move (Manhattan-distance) from the
# current location
$best1=count($t1); $best2=count($t2);
$s1=$a1; $s2=$a2;
while(($s1+$s2-$a1-$a2) < ($best1+$best2-$a1-$a2)) {
$d=-1;
foreach((array)@$r1[$t2[$s2]] as $n)
if ($n>=$s1) { $d=$n; break; }
if ($d>=$s1 && ($d+$s2-$a1-$a2)<($best1+$best2-$a1-$a2))
{ $best1=$d; $best2=$s2; }
$d=-1;
foreach((array)@$r2[$t1[$s1]] as $n)
if ($n>=$s2) { $d=$n; break; }
if ($d>=$s2 && ($s1+$d-$a1-$a2)<($best1+$best2-$a1-$a2))
{ $best1=$s1; $best2=$d; }
$s1++; $s2++;
}
while ($a1<$best1) { $actions[]=1; $a1++; } # deleted elements
while ($a2<$best2) { $actions[]=2; $a2++; } # added elements
}
# we've reached the end of one list, now walk to the end of the other
while($a1<count($t1)) { $actions[]=1; $a1++; } # deleted elements
while($a2<count($t2)) { $actions[]=2; $a2++; } # added elements
# and this marks our ending point
$actions[]=8;
# now, let's follow the path we just took and report the added/deleted
# elements into $out.
$op = 0;
$x0=$x1=0; $y0=$y1=0;
$out = array();
foreach($actions as $act) {
if ($act==1) { $op|=$act; $x1++; continue; }
if ($act==2) { $op|=$act; $y1++; continue; }
if ($op>0) {
$xstr = ($x1==($x0+1)) ? $x1 : ($x0+1).",$x1";
$ystr = ($y1==($y0+1)) ? $y1 : ($y0+1).",$y1";
if ($op==1) $out[] = "{$xstr}d{$y1}";
elseif ($op==3) $out[] = "{$xstr}c{$ystr}";
while ($x0<$x1) { $out[] = '< '.$t1[$x0]; $x0++; } # deleted elems
if ($op==2) $out[] = "{$x1}a{$ystr}";
elseif ($op==3) $out[] = '---';
while ($y0<$y1) { $out[] = '> '.$t2[$y0]; $y0++; } # added elems
}
$x1++; $x0=$x1;
$y1++; $y0=$y1;
$op=0;
}
$out[] = '';
return join("\n",$out);
}
?>
<?php
function sdir( $path='.', $mask='*', $nocache=0 ){
static $dir = array(); // cache result in memory
if ( !isset($dir[$path]) || $nocache) {
$dir[$path] = scandir($path);
}
foreach ($dir[$path] as $i=>$entry) {
if ($entry!='.' && $entry!='..' && fnmatch($mask, $entry) ) {
$sdir[] = $entry;
}
}
return ($sdir);
}
?>
<?php
$post_file = fopen('compress.zlib://php://input', 'rb');
$game_id = $_SERVER['HTTP_GAME_ID'];
$log_zip = new ZipArchive();
$log_zip->open($game_id.'.zip', ZIPARCHIVE::CREATE | ZIPARCHIVE::OVERWRITE);
mkdir($game_id);
$client_hash = md5($_SERVER['REMOTE_ADDR']);
$post_data = '';
while (!feof($post_file))
$post_data .= fread($post_file, 8192);
if ($_SERVER['HTTP_DIFF']) {
foreach (sdir($game_id, '*.'.$_SERVER['HTTP_CHANNEL'].'.log') as $f) {
$hash = substr($f, 0, strpos($f, '.'));
$diff = PHPDiff(file_get_contents($game_id . '/' . $f), $post_data);
file_put_contents($game_id .'/'. $hash .'.'. $client_hash .'.'. $_SERVER['HTTP_CHANNEL'] . '.diff', $diff);
}
}
$log_zip->addFromString(md5($_SERVER['REMOTE_ADDR']).'.log',$post_data);
file_put_contents($game_id .'/'. $client_hash . '.' . $_SERVER['HTTP_CHANNEL'] . '.log',$post_data);
fclose($post_file);
$log_zip->close();
?>