crash-report-tools/get-b2gcrashes.php

656 строки
26 KiB
PHP
Executable File

#!/usr/bin/php
<?php
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
// This script retrieves stats comparing flash versions in hangs and crashes.
// *** non-commandline handling ***
if (php_sapi_name() != 'cli') {
// not commandline, assume apache and output own source
header('Content-Type: text/plain; charset=utf8');
print(file_get_contents($_SERVER['SCRIPT_FILENAME']));
exit;
}
include_once('datautils.php');
// *** script settings ***
// turn on error reporting in the script output
ini_set('display_errors', 1);
// make sure new files are set to -rw-r--r-- permissions
umask(022);
// set default time zone - right now, always the one the server is in!
date_default_timezone_set('America/Los_Angeles');
// *** data gathering variables ***
// for how many days back to get the data
$backlog_days = 7;
// *** URLs ***
$on_moz_server = file_exists('/mnt/crashanalysis/rkaiser/');
// File storing the DB access data - including password!
$fdbsecret = '/home/rkaiser/.socorro-prod-dbsecret.json';
$url_siglinkbase = 'https://crash-stats.mozilla.com/report/list?signature=';
$url_nullsiglink = 'https://crash-stats.mozilla.com/report/list?missing_sig=EMPTY_STRING';
$url_replinkbase = 'https://crash-stats.mozilla.com/report/index/';
$url_buglinkbase = 'https://bugzilla.mozilla.org/show_bug.cgi?id=';
if ($on_moz_server) { chdir('/mnt/crashanalysis/rkaiser/'); }
else { chdir('/mnt/mozilla/projects/socorro/'); }
// *** code start ***
// get current day
$curtime = time();
if (file_exists($fdbsecret)) {
$dbsecret = json_decode(file_get_contents($fdbsecret), true);
if (!is_array($dbsecret) || !count($dbsecret)) {
print('ERROR: No DB secrets found, aborting!'."\n");
exit(1);
}
$db_conn = pg_pconnect('host='.$dbsecret['host']
.' port='.$dbsecret['port']
.' dbname=breakpad'
.' user='.$dbsecret['user']
.' password='.$dbsecret['password']);
if (!$db_conn) {
print('ERROR: DB connection failed, aborting!'."\n");
exit(1);
}
// For info on what data can be accessed, see also
// http://socorro.readthedocs.org/en/latest/databasetabledesc.html
// For the DB schema, see
// https://github.com/mozilla/socorro/blob/master/sql/schema.sql
}
else {
// Won't work! (Set just for documenting what fields are in the file.)
$dbsecret = array('host' => 'host.m.c', 'port' => '6432',
'user' => 'analyst', 'password' => 'foo');
print('ERROR: No DB secrets found, aborting!'."\n");
exit(1);
}
for ($daysback = $backlog_days + 1; $daysback > 0; $daysback--) {
$anatime = strtotime(date('Y-m-d', $curtime).' -'.$daysback.' day');
$anadir = date('Y-m-d', $anatime);
print('B2G: Looking at on-device crash data for '.$anadir."\n");
if (!file_exists($anadir)) { mkdir($anadir); }
$fbcdata = 'b2g-crashdata.json';
$fbtc = 'b2g-topcrashes.json';
$fpages = 'pages.json';
$fweb = $anadir.'.b2g.crashes.html';
$fwebweek = $anadir.'.b2g.topcrashes.weekly.html';
$anafbcdata = $anadir.'/'.$fbcdata;
if (!file_exists($anafbcdata)) {
$rep_query =
'SELECT version,build,release_channel,'
.'process_type,signature,date_processed,uuid '
.'FROM reports '
."WHERE product='B2G' AND os_name='Android' AND utc_day_is(date_processed, '".$anadir."') "
.'ORDER BY version DESC, build DESC, date_processed DESC;';
$rep_result = pg_query($db_conn, $rep_query);
if (!$rep_result) {
print('--- ERROR: Main report query failed!'."\n");
}
$bcd = array('list' => array(), 'total' => 0);
while ($rep_row = pg_fetch_array($rep_result)) {
// Need to fetch whole JSON object becasue of bug 898072.
// Look into history to find nicer code to use when that is fixed.
$raw_query =
"SELECT raw_crash "
.'FROM raw_crashes '
."WHERE uuid='".$rep_row['uuid']."'"
." AND utc_day_is(date_processed, '".$anadir."');";
$raw_result = pg_query($db_conn, $raw_query);
if (!$raw_result) {
print('--- ERROR: Raw crash query failed for bp-'.$rep_row['uuid'].'!'."\n");
}
$raw_row = pg_fetch_array($raw_result);
$raw_crash_data = json_decode($raw_row['raw_crash'], true);
$rep_row['manufacturer'] = array_key_exists('Android_Manufacturer', $raw_crash_data)
? $raw_crash_data['Android_Manufacturer'] : '';
$rep_row['model'] = array_key_exists('Android_Model', $raw_crash_data)
? $raw_crash_data['Android_Model'] : 'unknown';
$rep_row['b2g_ver'] = array_key_exists('B2G_OS_Version', $raw_crash_data)
? $raw_crash_data['B2G_OS_Version'] : 'unknown';
$rep_row['device'] = trim($rep_row['manufacturer'].' '.$rep_row['model']);
$bugs = array();
$bug_query =
'SELECT bug_id, status, resolution, short_desc '
.'FROM bug_associations LEFT JOIN bugs'
.' ON (bug_associations.bug_id=bugs.id) '
."WHERE signature = '".pg_escape_string($rep_row['signature'])."';";
$bug_result = pg_query($db_conn, $bug_query);
if (!$bug_result) {
print('--- ERROR: Bug associations query failed for "'.$rep_row['signature'].'"!'."\n");
}
while ($bug_row = pg_fetch_array($bug_result)) {
$bugs[$bug_row['bug_id']] = array('status' => $bug_row['status'],
'resolution' => $bug_row['resolution'],
'short_desc' => $bug_row['short_desc']);
}
$rep_row['bugs'] = $bugs;
$bcd['list'][] = $rep_row;
$bcd['total']++;
}
uasort($bcd['list'], 'b2glist_compare'); // sort by B2G version, build ID, and crash time
file_put_contents($anafbcdata, json_encode($bcd));
}
else {
$bcd = json_decode(file_get_contents($anafbcdata), true);
}
$anafbtc = $anadir.'/'.$fbtc;
if (!file_exists($anafbtc)) {
$btc = array();
foreach ($bcd['list'] as $crash) {
$b2g_ver = strlen(@$crash['b2g_ver'])?$crash['b2g_ver']:'unknown';
$report = $b2g_ver;
$device = strlen($crash['device'])?$crash['device']:'unknown';
$buildday = substr($crash['build'], 0, 8);
$ptype = strlen($crash['process_type'])?$crash['process_type']:'gecko';
addCount($btc, $report);
if ($btc[$report]['.count'] == 1) {
$btc[$report]['b2g_ver'] = $b2g_ver;
$btc[$report]['.sigs'] = array();
}
addCount($btc[$report]['.sigs'], $crash['signature']);
if ($btc[$report]['.sigs'][$crash['signature']]['.count'] == 1) {
$btc[$report]['.sigs'][$crash['signature']]['bugs'] = $crash['bugs'];
}
if (array_key_exists('devices', $btc[$report]['.sigs'][$crash['signature']])) {
if (!in_array($device, $btc[$report]['.sigs'][$crash['signature']]['devices'])) {
$btc[$report]['.sigs'][$crash['signature']]['devices'][] = $device;
}
}
else {
$btc[$report]['.sigs'][$crash['signature']]['devices'] = array($device);
}
if (array_key_exists('bdates', $btc[$report]['.sigs'][$crash['signature']])) {
if (!in_array($buildday, $btc[$report]['.sigs'][$crash['signature']]['bdates'])) {
$btc[$report]['.sigs'][$crash['signature']]['bdates'][] = $buildday;
}
}
else {
$btc[$report]['.sigs'][$crash['signature']]['bdates'] = array($buildday);
}
if (array_key_exists('proctypes', $btc[$report]['.sigs'][$crash['signature']])) {
if (!in_array($ptype, $btc[$report]['.sigs'][$crash['signature']]['proctypes'])) {
$btc[$report]['.sigs'][$crash['signature']]['proctypes'][] = $ptype;
}
}
else {
$btc[$report]['.sigs'][$crash['signature']]['proctypes'] = array($ptype);
}
}
krsort($btc); // sort by key (b2g_ver) in reverse order
foreach ($btc as $report=>$rdata) {
if (array_key_exists('.sigs', $rdata)) {
uasort($btc[$report]['.sigs'], 'count_compare'); // sort by count, highest-first
foreach ($rdata['.sigs'] as $sig=>$sdata) {
sort($btc[$report]['.sigs'][$sig]['devices']);
rsort($btc[$report]['.sigs'][$sig]['bdates']);
sort($btc[$report]['.sigs'][$sig]['proctypes']);
}
}
}
file_put_contents($anafbtc, json_encode($btc));
}
else {
$btc = json_decode(file_get_contents($anafbtc), true);
}
$webreports = array('day' => $fweb, 'week' => $fwebweek);
foreach ($webreports as $type=>$fwebcur) {
$anafweb = $anadir.'/'.$fwebcur;
if ($type == 'week') {
if (!file_exists($anafweb)) {
// assemble 7-day "weekly" overview
print('Calculating weekly data'."\n");
$curbtc = $btc;
for ($pastday = 1; $pastday < 7; $pastday++) {
$pasttime = strtotime($anadir.' -'.$pastday.' day');
$pastdir = date('Y-m-d', $pasttime);
print('Adding '.$pastdir);
$pastfbtc = $pastdir.'/'.$fbtc;
if (file_exists($pastfbtc)) {
// Load that data and merge it into $curcd.
$pastbtc = json_decode(file_get_contents($pastfbtc), true);
foreach ($pastbtc as $report=>$rdata) {
print(':');
if (array_key_exists($report, $curbtc)) {
$curbtc[$report]['.count'] += $rdata['.count'];
foreach ($rdata['.sigs'] as $sig=>$sdata) {
print('.');
if (array_key_exists($sig, $curbtc[$report]['.sigs'])) {
$curbtc[$report]['.sigs'][$sig]['.count'] += $sdata['.count'];
$curbtc[$report]['.sigs'][$sig]['devices'] =
array_unique(array_merge($curbtc[$report]['.sigs'][$sig]['devices'], $sdata['devices']));
$curbtc[$report]['.sigs'][$sig]['bdates'] =
array_unique(array_merge($curbtc[$report]['.sigs'][$sig]['bdates'], $sdata['bdates']));
$curbtc[$report]['.sigs'][$sig]['proctypes'] =
array_unique(array_merge($curbtc[$report]['.sigs'][$sig]['proctypes'], $sdata['proctypes']));
}
else {
$curbtc[$report]['.sigs'][$sig] = $sdata;
}
}
}
else {
print('.');
$curbtc[$report] = $rdata;
}
}
print("\n");
}
else { print(' - '.$pastfbtc.' not found.'."\n"); }
}
if (count($curbtc)) {
krsort($curbtc); // sort by key (b2g_ver) in reverse order
foreach ($curbtc as $report=>$rdata) {
if (array_key_exists('.sigs', $rdata)) {
uasort($curbtc[$report]['.sigs'], 'count_compare'); // sort by count, highest-first
foreach ($rdata['.sigs'] as $sig=>$sdata) {
sort($curbtc[$report]['.sigs'][$sig]['devices']);
rsort($curbtc[$report]['.sigs'][$sig]['bdates']);
sort($curbtc[$report]['.sigs'][$sig]['proctypes']);
}
}
}
}
}
}
else {
// single-day data
$curbtc = $btc;
}
if (!file_exists($anafweb) && count($curbtc)) {
// create out an HTML page
print('Writing HTML output'."\n");
$doc = new DOMDocument('1.0', 'utf-8');
$doc->formatOutput = true; // we want a nice output
$root = $doc->appendChild($doc->createElement('html'));
$head = $root->appendChild($doc->createElement('head'));
$title = $head->appendChild($doc->createElement('title',
$anadir.($type == 'week'?' Weekly':'').' B2G Crashes Report'));
$style = $head->appendChild($doc->createElement('style'));
$style->setAttribute('type', 'text/css');
$style->appendChild($doc->createCDATASection(''
.'body {'."\n"
.' color: #000000;'."\n"
.' background-color: #FFFFFF;'."\n"
.'}'."\n"
.'.sig, .time {'."\n"
.' font-size: small;'."\n"
.'}'."\n"
.'.buildid > .timepart {'."\n"
.' color: #808080;'."\n"
.'}'."\n"
.'.device {'."\n"
.' color: #808080;'."\n"
.'}'."\n"
.'/* Shipped (or publicly presented) devices */'."\n"
.'.device.huawei_huawei_y300_f1,'."\n"
.'.device.lge_lg_d300f,'."\n"
.'.device.unknown_alcatel_onetouch_pop_fire_c,'."\n"
.'.device.unknown_alcatel_one_touch_fire,'."\n"
.'.device.unknown_alcatel_onetouch_fire_c,'."\n"
.'.device.zte_p752d04,'."\n"
.'.device.zte_roamer2,'."\n"
.'.device.zte_open_c,'."\n"
.'.device.zte_zte_openc,'."\n"
.'.device.zte_zte_open_c {'."\n"
.' color: #000000;'."\n"
.' font-weight: bold;'."\n"
.'}'."\n"
.'/* Internal testing devices */'."\n"
.'.device.alcatel_ot_995,'."\n"
.'.device.hamachi_hamachi,'."\n"
.'.device.lge_lg_d300,'."\n"
.'.device.lge_lg_d300g,'."\n"
.'.device.qcom_leo,'."\n"
.'.device.spreadtrum_sp6821a,'."\n"
.'.device.spreadtrum_sp7710,'."\n"
.'.device.toro_unagi1,'."\n"
.'.device.toro_otoro1,'."\n"
.'.device.toro_inari1 {'."\n"
.' color: #000000;'."\n"
.' font-style: italic;'."\n"
.'}'."\n"
.'/* Developer devices */'."\n"
.'.device.geeksphone_gp_peak,'."\n"
.'.device.geeksphone_gp_keon,'."\n"
.'.device.geeksphone_gp_twist,'."\n"
.'.device.t2m_flame,'."\n"
.'.device.unknown_flame {'."\n"
.' color: #000000;'."\n"
.'}'."\n"
.'.ptype.gecko {'."\n"
.'}'."\n"
.'.ptype.content {'."\n"
.' color: #808080;'."\n"
.'}'."\n"
.'.bug {'."\n"
.' font-size: small;'."\n"
.' empty-cells: show;'."\n"
.'}'."\n"
.'.resolved {'."\n"
.' text-decoration: line-through;'."\n"
.'}'."\n"
.'.num, .pct {'."\n"
.' text-align: right;'."\n"
.'}'."\n"
));
$body = $root->appendChild($doc->createElement('body'));
$h1 = $body->appendChild($doc->createElement('h1',
$anadir.($type == 'week'?' Weekly':'').' B2G Crashes Report'));
$list = $body->appendChild($doc->createElement('ul'));
$item = $list->appendChild($doc->createElement('li'));
$link = $item->appendChild($doc->createElement('a',
'Top Crashes By Signature'));
$link->setAttribute('href', '#tcbs');
$tlist = $item->appendChild($doc->createElement('ul'));
foreach ($curbtc as $report=>$rdata) {
$titem = $tlist->appendChild($doc->createElement('li'));
$tlink = $titem->appendChild($doc->createElement('a',
$rdata['b2g_ver']));
$tlink->setAttribute('href', '#b2g-'.$rdata['b2g_ver']);
}
if ($type != 'week') {
$item = $list->appendChild($doc->createElement('li'));
$link = $item->appendChild($doc->createElement('a',
'Raw Crash List'));
$link->setAttribute('href', '#crashlist');
}
$h2 = $body->appendChild($doc->createElement('h2',
'Top Crashes By Signature'));
$link->setAttribute('id', 'tcbs');
foreach ($curbtc as $report=>$rdata) {
$h3 = $body->appendChild($doc->createElement('h3',
$rdata['b2g_ver']));
$link->setAttribute('id', 'b2g-'.$rdata['b2g_ver']);
$table = $body->appendChild($doc->createElement('table'));
$table->setAttribute('border', '1');
// table head
$tr = $table->appendChild($doc->createElement('tr'));
$th = $tr->appendChild($doc->createElement('th', 'Signature'));
$th = $tr->appendChild($doc->createElement('th', 'Devices'));
$th = $tr->appendChild($doc->createElement('th', 'Build Dates'));
$th = $tr->appendChild($doc->createElement('th', 'Process Types'));
$th = $tr->appendChild($doc->createElement('th', 'Count'));
$th = $tr->appendChild($doc->createElement('th', 'Pct'));
$th = $tr->appendChild($doc->createElement('th', 'Bugs'));
foreach ($rdata['.sigs'] as $sig=>$sdata) {
$pct = $rdata['.count'] ?
$sdata['.count'] / $rdata['.count'] : 0;
$tr = $table->appendChild($doc->createElement('tr'));
$td = $tr->appendChild($doc->createElement('td'));
$td->setAttribute('class', 'sig');
if (!strlen($sig)) {
$link = $td->appendChild($doc->createElement('a', '(empty signature)'));
$link->setAttribute('href', $url_nullsiglink);
}
elseif ($sig == '\N') {
$td->appendChild($doc->createTextNode('(processing failure - "'.$sig.'")'));
}
else {
// common case, useful signature
$sigdisplay = preg_replace('/_+\.*$/', '', $sig);
$link = $td->appendChild($doc->createElement('a',
htmlentities($sigdisplay, ENT_COMPAT, 'UTF-8')));
$link->setAttribute('href', $url_siglinkbase.rawurlencode($sig));
}
$td = $tr->appendChild($doc->createElement('td'));
foreach ($sdata['devices'] as $device) {
if (strlen($td->textContent)) {
$td->appendChild($doc->createTextNode(', '));
}
$span = $td->appendChild($doc->createElement('span', $device));
$span->setAttribute('class', 'device '.deviceClass($device));
}
$td = $tr->appendChild($doc->createElement('td', implode(', ', $sdata['bdates'])));
$td = $tr->appendChild($doc->createElement('td'));
foreach ($sdata['proctypes'] as $ptype) {
if (strlen($td->textContent)) {
$td->appendChild($doc->createTextNode(', '));
}
$span = $td->appendChild($doc->createElement('span', $ptype));
$span->setAttribute('class', 'ptype '.$ptype);
}
$td = $tr->appendChild($doc->createElement('td', $sdata['.count']));
$td->setAttribute('class', 'num');
$td = $tr->appendChild($doc->createElement('td',
sprintf('%.1f', 100 * $pct).'%'));
$td->setAttribute('class', 'pct');
$td = $tr->appendChild($doc->createElement('td'));
if (array_key_exists('bugs', $sdata) && count($sdata['bugs'])) {
foreach ($sdata['bugs'] as $bug => $bugdata) {
if (strlen($td->textContent)) {
$td->appendChild($doc->createTextNode(', '));
}
$link = $td->appendChild($doc->createElement('a', $bug));
$link->setAttribute('href', $url_buglinkbase.$bug);
$link->setAttribute('title',
$bugdata['status'].' '.$bugdata['resolution'].' - '
.htmlentities($bugdata['short_desc'], ENT_COMPAT, 'UTF-8'));
if ($bugdata['status'] == 'RESOLVED' || $bugdata['status'] == 'VERIFIED') {
$link->setAttribute('class', 'bug resolved');
}
else {
$link->setAttribute('class', 'bug');
}
}
}
else {
$td->appendChild($doc->createTextNode('-'));
}
}
}
if ($type != 'week') {
$h2 = $body->appendChild($doc->createElement('h2',
'Raw Crash List'));
$link->setAttribute('id', 'crashlist');
// description
$para = $body->appendChild($doc->createElement('p',
'List of all '.$bcd['total'].' crashes for B2G on actual devices.'
.' (Times in the "Crash" column are UTC and link to the detailed crash'
.' reports on Socorro.)'));
$table = $body->appendChild($doc->createElement('table'));
$table->setAttribute('border', '1');
// table head
$tr = $table->appendChild($doc->createElement('tr'));
$th = $tr->appendChild($doc->createElement('th', 'B2G-Ver'));
$th = $tr->appendChild($doc->createElement('th', 'Build ID'));
$th = $tr->appendChild($doc->createElement('th', 'Ver'));
$th = $tr->appendChild($doc->createElement('th', 'Channel'));
$th = $tr->appendChild($doc->createElement('th', 'Crash'));
$th = $tr->appendChild($doc->createElement('th', 'Device'));
$th = $tr->appendChild($doc->createElement('th', 'Process'));
$th = $tr->appendChild($doc->createElement('th', 'Signature'));
$th = $tr->appendChild($doc->createElement('th', 'Bugs'));
foreach ($bcd['list'] as $crash) {
$tr = $table->appendChild($doc->createElement('tr'));
$td = $tr->appendChild($doc->createElement('td', $crash['b2g_ver']));
$td->setAttribute('class', 'version');
$td = $tr->appendChild($doc->createElement('td'));
$td->setAttribute('class', 'buildid');
$span = $td->appendChild($doc->createElement('span', substr($crash['build'], 0, 8)));
$span->setAttribute('class', 'datepart');
$span = $td->appendChild($doc->createElement('span', substr($crash['build'], 8)));
$span->setAttribute('class', 'timepart');
$td = $tr->appendChild($doc->createElement('td', $crash['version']));
$td->setAttribute('class', 'version');
$td = $tr->appendChild($doc->createElement('td', $crash['release_channel']));
$td->setAttribute('class', 'channel');
$td = $tr->appendChild($doc->createElement('td'));
$td->setAttribute('class', 'time');
$link = $td->appendChild($doc->createElement('a',
gmdate('H:i:s', strtotime($crash['date_processed']))));
$link->setAttribute('href', $url_replinkbase.$crash['uuid']);
$device = strlen($crash['device'])?$crash['device']:'unknown';
$td = $tr->appendChild($doc->createElement('td', $device));
$td->setAttribute('class', 'device '.deviceClass($device));
$ptype = strlen($crash['process_type'])?$crash['process_type']:'gecko';
$td = $tr->appendChild($doc->createElement('td', $ptype));
$td->setAttribute('class', 'ptype '.$ptype);
$td = $tr->appendChild($doc->createElement('td'));
$td->setAttribute('class', 'sig');
if (!strlen($crash['signature'])) {
$link = $td->appendChild($doc->createElement('a', '(empty signature)'));
$link->setAttribute('href', $url_nullsiglink);
}
elseif ($crash['signature'] == '\N') {
$td->appendChild($doc->createTextNode('(processing failure - "'.$crash['signature'].'")'));
}
else {
// common case, useful signature
$sigdisplay = preg_replace('/_+\.*$/', '', $crash['signature']);
$link = $td->appendChild($doc->createElement('a',
htmlentities($sigdisplay, ENT_COMPAT, 'UTF-8')));
$link->setAttribute('href', $url_siglinkbase.rawurlencode($crash['signature']));
}
$td = $tr->appendChild($doc->createElement('td'));
if (array_key_exists('bugs', $crash) && count($crash['bugs'])) {
foreach ($crash['bugs'] as $bug => $bugdata) {
if (strlen($td->textContent)) {
$td->appendChild($doc->createTextNode(', '));
}
$link = $td->appendChild($doc->createElement('a', $bug));
$link->setAttribute('href', $url_buglinkbase.$bug);
$link->setAttribute('title',
$bugdata['status'].' '.$bugdata['resolution'].' - '
.htmlentities($bugdata['short_desc'], ENT_COMPAT, 'UTF-8'));
if ($bugdata['status'] == 'RESOLVED' || $bugdata['status'] == 'VERIFIED') {
$link->setAttribute('class', 'bug resolved');
}
else {
$link->setAttribute('class', 'bug');
}
}
}
else {
$td->appendChild($doc->createTextNode('-'));
}
}
}
$doc->saveHTMLFile($anafweb);
// add the page to the pages index
$anafpages = $anadir.'/'.$fpages;
if (file_exists($anafpages)) {
$pages = json_decode(file_get_contents($anafpages), true);
}
else {
$pages = array();
}
$pages[$fwebcur] =
array('product' => 'B2G',
'channel' => null,
'version' => null,
'report' => 'b2gcrash',
'report_sub' => $type,
'display_ver' => 'B2G',
'display_rep' => ($type == 'week'?'Weekly Topcrash':'Crashes')
.' Report');
file_put_contents($anafpages, json_encode($pages));
}
}
}
print("\n");
// *** helper functions ***
// Comparison function using .count member (reverse sort!)
function count_compare($a, $b) {
if ($a['.count'] == $b['.count']) { return 0; }
return ($a['.count'] > $b['.count']) ? -1 : 1;
}
// Comparison function on B2G version, build ID and time (reverse sort!)
function b2glist_compare($a, $b) {
if ($a['b2g_ver'] == $b['b2g_ver']) {
if ($a['build'] == $b['build']) {
if ($a['date_processed'] == $b['date_processed']) { return 0; }
return ($a['date_processed'] > $b['date_processed']) ? -1 : 1;
}
return ($a['build'] > $b['build']) ? -1 : 1;
}
return ($a['b2g_ver'] > $b['b2g_ver']) ? -1 : 1;
}
// Bump the counter of an element or initialize it.
function addCount(&$basevar, $sub, $addnum = 1) {
if (array_key_exists($sub, $basevar)) {
$basevar[$sub]['.count'] += $addnum;
}
else {
$basevar[$sub]['.count'] = $addnum;
}
}
// Convert a device name to a CSS class
function deviceClass($devicename) {
$classraw = strtr($devicename, array(chr(128)=>'EUR',chr(164)=>'EUR',"'"=>'','"'=>''));
$classraw = strtolower(iconv('UTF-8', 'ASCII//TRANSLIT', $classraw));
$devclass = ''; $i = 0;
while ($i < strlen($classraw)) {
if (((ord($classraw{$i}) >= 48) && (ord($classraw{$i}) <= 57)) ||
((ord($classraw{$i}) >= 97) && (ord($classraw{$i}) <= 122))) {
$devclass .= $classraw{$i};
}
elseif (strlen($devclass) && ($devclass{strlen($devclass)-1} != '_')) {
$devclass .= '_';
}
$i++;
}
$devclass = trim($devclass, '_');
return $devclass;
}
?>