595 строки
24 KiB
PHP
Executable File
595 строки
24 KiB
PHP
Executable File
#!/usr/bin/php
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<?php
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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// This script creates reports on crashes per mobile device.
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// *** non-commandline handling ***
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if (php_sapi_name() != 'cli') {
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// not commandline, assume apache and output own source
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header('Content-Type: text/plain; charset=utf8');
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print(file_get_contents($_SERVER['SCRIPT_FILENAME']));
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exit;
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}
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include_once('datautils.php');
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// *** script settings ***
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// turn on error reporting in the script output
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ini_set('display_errors', 1);
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// make sure new files are set to -rw-r--r-- permissions
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umask(022);
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// set default time zone - right now, always the one the server is in!
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date_default_timezone_set('America/Los_Angeles');
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// *** data gathering variables ***
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// reports to gather. fields:
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// product - product name
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// version - empty is all versions
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$reports = array(array('product'=>'FennecAndroid',
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'channel'=>'release',
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'version'=>'21.0',
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'version_regex'=>'21\.0.*',
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'version_display'=>'21',
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),
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array('product'=>'FennecAndroid',
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'channel'=>'beta',
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'version'=>'21.0',
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),
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array('product'=>'FennecAndroid',
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'channel'=>'beta',
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'version'=>'22.0',
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),
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array('product'=>'FennecAndroid',
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'channel'=>'nightly',
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'weekly'=>true,
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),
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array('product'=>'FennecAndroid',
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'channel'=>'aurora',
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'weekly'=>true,
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),
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);
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// ignorable (as not actionable) app note fields that result in unknown devices
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$ignore_unknown_notes = array(
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'\\N',
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"EGL? EGL+ | AdapterVendorID: , AdapterDeviceID: . | AdapterDescription: 'Android'.",
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"EGL? EGL+ AdapterVendorID: , AdapterDeviceID: . | AdapterDescription: 'Android'.",
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"EGL? EGL+ | AdapterVendorID: , AdapterDeviceID: . | AdapterDescription: 'Android'. | xpcom_runtime_abort(###",
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"EGL? EGL+ AdapterVendorID: , AdapterDeviceID: . | AdapterDescription: 'Android'. | xpcom_runtime_abort(###",
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"EGL? EGL+ | AdapterVendorID: , AdapterDeviceID: . | AdapterDescription: 'Android'. | WebGL? GL Context? GL Context+ | WebGL+",
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"EGL? EGL+ AdapterVendorID: , AdapterDeviceID: . | AdapterDescription: 'Android'. | WebGL? GL Context? GL Context+ WebGL+",
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"EGL? EGL+ | AdapterVendorID: , AdapterDeviceID: . | AdapterDescription: 'Imagination Technologies'.",
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"EGL? EGL+ AdapterVendorID: , AdapterDeviceID: . | AdapterDescription: 'Imagination Technologies'.",
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"EGL? EGL+ AdapterVendorID: , AdapterDeviceID: . | AdapterDescription: 'Imagination Technologies'. | xpcom_runtime_abort(###",
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"EGL? EGL+ | AdapterVendorID: , AdapterDeviceID: . | AdapterDescription: 'NVIDIA'.",
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"EGL? EGL+ AdapterVendorID: , AdapterDeviceID: . | AdapterDescription: 'NVIDIA'.",
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"EGL? EGL+ AdapterVendorID: , AdapterDeviceID: . | AdapterDescription: 'NVIDIA'. | xpcom_runtime_abort(###",
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"WebGL? EGL? EGL+ | GL Context? GL Context+ | WebGL+",
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"WebGL? EGL? EGL+ | GL Context? GL Context+ | WebGL+ | xpcom_runtime_abort(###",
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"xpcom_runtime_abort(###",
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);
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// maximum uptime that is counted as startup (seconds)
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$max_uptime = 60;
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// for how many days back to get the data
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$backlog_days = 7;
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// *** URLs ***
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$on_moz_server = file_exists('/mnt/crashanalysis/rkaiser/');
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$url_csvbase = $on_moz_server?'/mnt/crashanalysis/crash_analysis/'
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:'http://people.mozilla.com/crash_analysis/';
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$url_siglinkbase = 'https://crash-stats.mozilla.com/report/list?signature=';
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$url_nullsiglink = 'https://crash-stats.mozilla.com/report/list?missing_sig=EMPTY_STRING';
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// File storing the DB access data - including password!
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$fdbsecret = '/home/rkaiser/.socorro-prod-dbsecret.json';
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if ($on_moz_server) { chdir('/mnt/crashanalysis/rkaiser/'); }
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else { chdir('/mnt/mozilla/projects/socorro/'); }
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// *** code start ***
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// get current day
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$curtime = time();
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if (file_exists($fdbsecret)) {
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$dbsecret = json_decode(file_get_contents($fdbsecret), true);
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if (!is_array($dbsecret) || !count($dbsecret)) {
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print('ERROR: No DB secrets found, aborting!'."\n");
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exit(1);
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}
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$db_conn = pg_pconnect('host='.$dbsecret['host']
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.' port='.$dbsecret['port']
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.' dbname=breakpad'
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.' user='.$dbsecret['user']
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.' password='.$dbsecret['password']);
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if (!$db_conn) {
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print('ERROR: DB connection failed, aborting!'."\n");
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exit(1);
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}
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// For info on what data can be accessed, see also
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// http://socorro.readthedocs.org/en/latest/databasetabledesc.html
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// For the DB schema, see
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// https://github.com/mozilla/socorro/blob/master/sql/schema.sql
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}
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else {
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// Won't work! (Set just for documenting what fields are in the file.)
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$dbsecret = array('host' => 'host.m.c', 'port' => '6432',
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'user' => 'analyst', 'password' => 'foo');
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print('ERROR: No DB secrets found, aborting!'."\n");
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exit(1);
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}
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foreach ($reports as $rep) {
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$channel = array_key_exists('channel', $rep)?$rep['channel']:'';
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$ver = array_key_exists('version', $rep)?$rep['version']:'';
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$prd = strtolower($rep['product']);
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$prdvershort = (($prd == 'firefox')?'ff':(($prd == 'fennec')?'fn':(($prd == 'fennecandroid')?'fna':$prd)))
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.(strlen($channel)?'-'.$channel:'')
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.(strlen($ver)?'-'.$ver:'');
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$prdverfile = $prd
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.(strlen($channel)?'.'.$channel:'')
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.(strlen($ver)?'.'.$ver:'');
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$prdverdisplay = $rep['product']
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.(strlen($channel)?' '.ucfirst($channel):'')
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.(strlen($ver)?' '.(isset($rep['version_display'])?$rep['version_display']:$ver):'');
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$pv_ids = array();
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$pv_query =
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'SELECT product_version_id '
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.'FROM product_versions '
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."WHERE product_name = '".$rep['product']."'"
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.(strlen($ver)
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?' AND release_version '.(isset($rep['version_regex'])
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?"~ '^".$rep['version_regex']."$'"
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:"= '".$ver."'")
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:'')
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.(strlen($channel)?" AND build_type = '".ucfirst($channel)."'":'')
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.';';
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$pv_result = pg_query($db_conn, $pv_query);
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if (!$pv_result) {
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print('--- ERROR: product version query failed!'."\n");
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}
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while ($pv_row = pg_fetch_array($pv_result)) {
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$pv_ids[] = $pv_row['product_version_id'];
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}
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if (!count($pv_ids)) {
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print('--- ERROR: no versions found in DB for '.$prdverdisplay.'!'."\n");
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continue;
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}
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for ($daysback = $backlog_days + 1; $daysback > 0; $daysback--) {
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$anatime = strtotime(date('Y-m-d', $curtime).' -'.$daysback.' day');
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$anadir = date('Y-m-d', $anatime);
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print('Devices: Looking at '.$prdverdisplay.' data for '.$anadir."\n");
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if (!file_exists($anadir)) { mkdir($anadir); }
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$fdevdata = $prdvershort.'-devices.json';
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$fpages = 'pages.json';
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$fwebmask = '%s.'.$prdverfile.'.devices.html';
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$fweb = sprintf($fwebmask, $anadir);
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$fwebweek = $anadir.'.'.$prdverfile.'.devices.weekly.html';
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$anafdevdata = $anadir.'/'.$fdevdata;
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if (!file_exists($anafdevdata)) {
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// get all crash IDs and signatures for the selected versions
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$rep_query =
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'SELECT uuid, signature '
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.'FROM reports_clean LEFT JOIN signatures'
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.' ON (reports_clean.signature_id=signatures.signature_id) '
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.'WHERE product_version_id IN ('.implode(',', $pv_ids).') '
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." AND utc_day_is(date_processed, '".$anadir."');";
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$rep_result = pg_query($db_conn, $rep_query);
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if (!$rep_result) {
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print('--- ERROR: Reports/signatures query failed!'."\n");
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}
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print('Getting summarized device data'."\n");
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$dd = array('total_crashes' => 0,
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'devices' => array());
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while ($rep_row = pg_fetch_array($rep_result)) {
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$sig = $rep_row['signature'];
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$crash_id = $rep_row['uuid'];
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// get app notes for this crash ID (using day for performance)
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$notes_query =
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'SELECT app_notes '
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.'FROM reports '
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."WHERE uuid='".$crash_id."'"
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." AND utc_day_is(date_processed, '".$anadir."');";
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$notes_result = pg_query($db_conn, $notes_query);
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if (!$notes_result) {
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print('--- ERROR: app_notes query failed!'."\n");
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$appnotes = '';
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}
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else {
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$notes_row = pg_fetch_array($notes_result);
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$appnotes = $notes_row['app_notes'];
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}
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if (preg_match("/Model: '(.*)', Product: '.*', Manufacturer: '(.*)', Hardware: '.*'.*\n[^:\s]+:(\d\.[^\/\s]+|AOSP)\/[^:\s]+:[^\s]*keys/", $appnotes, $regs)) {
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$devname = ucfirst($regs[2].' '.$regs[1]);
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$andver = $regs[3];
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}
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elseif (preg_match("/Model: '(.*)', Product: '.*', Manufacturer: '(.*)', Hardware: '.*'/", $appnotes, $regs)) {
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$devname = ucfirst($regs[2].' '.$regs[1]);
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$andver = null;
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}
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elseif (preg_match("/ -- Model: (.*), Product: .*, Manufacturer: (.*), Hardware: .*'/", $appnotes, $regs)) {
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$devname = ucfirst($regs[2].' '.$regs[1]);
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$andver = null;
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}
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elseif (preg_match("/([^\|\n]+ [^\|\n]+)\n[^:\s]+:(\d\.[^\/\s]+|AOSP)\/[^:\s]+:[^\s]*keys/", $appnotes, $regs)) {
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$devname = ucfirst($regs[1]);
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$andver = $regs[2];
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}
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elseif (preg_match("/([^\|\n]+ [^\|\n]+)\n(unknown|xxxxxx)/", $appnotes, $regs)) {
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$devname = ucfirst($regs[1]);
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}
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else {
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$devname = 'unknown';
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$andver = null;
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if (!in_array($appnotes, $ignore_unknown_notes)) {
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print('*** unknown device - notes: '.$appnotes."\n");
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}
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}
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// reduce dubled vendor names in device names
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$devname = str_replace('HTC HTC', 'HTC', $devname);
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$devname = str_replace('Samsung SAMSUNG-', 'Samsung ', $devname);
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$devname = str_replace('SAMSUNG SAMSUNG-', 'Samsung ', $devname);
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$devname = str_replace('Acer Acer', 'Acer ', $devname);
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$devname = str_replace('Asus ASUS', 'ASUS ', $devname);
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$devname = str_replace('Sony Sony', 'Sony', $devname);
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$devname = str_replace('HUAWEI HUAWEI', 'HUAWEI', $devname);
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$devname = str_replace('Hp HP', 'HP', $devname);
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$devname = str_replace('Dell Inc. Dell', 'Dell', $devname);
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$devname = str_replace('Archos ARCHOS', 'Archos', $devname);
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$devname = str_replace('MID MID', 'MID', $devname);
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$devname = str_replace('MEDION MEDION', 'Medion', $devname);
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$devname = str_replace('Amazon Amazon ', 'Amazon ', $devname);
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$devname = str_replace('Unknown Amazon ', 'Amazon ', $devname);
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if (!array_key_exists($devname, $dd['devices'])) {
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$dd['devices'][$devname] = array('android_versions' => array(),
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'signatures' => array(),
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'crashes' => 0);
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}
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if ($andver && !in_array($andver, $dd['devices'][$devname]['android_versions'])) {
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$dd['devices'][$devname]['android_versions'][] = $andver;
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}
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if (in_array($sig, array_keys($dd['devices'][$devname]['signatures']))) {
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$dd['devices'][$devname]['signatures'][$sig]++;
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}
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else {
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$dd['devices'][$devname]['signatures'][$sig] = 1;
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}
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$dd['devices'][$devname]['crashes']++;
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$dd['total_crashes']++;
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}
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// sort devices alphabetically, signatures by count
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ksort($dd['devices']);
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foreach ($dd['devices'] as $devname=>$devdata) {
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sort($dd['devices'][$devname]['android_versions']);
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arsort($dd['devices'][$devname]['signatures']);
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}
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file_put_contents($anafdevdata, json_encode($dd));
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}
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else {
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$dd = json_decode(file_get_contents($anafdevdata), true);
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}
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// debug only line
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// print_r($dd);
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$webreports = array('day' => $fweb);
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if (@$rep['weekly']) { $webreports['week'] = $fwebweek; }
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foreach ($webreports as $type=>$fwebcur) {
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$anafweb = $anadir.'/'.$fwebcur;
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if ($type == 'week') {
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if (!file_exists($anafweb)) {
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// assemble 7-day "weekly" overview
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print('Calculating weekly data'."\n");
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$curdd = $dd;
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for ($pastday = 1; $pastday < 7; $pastday++) {
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$pasttime = strtotime($anadir.' -'.$pastday.' day');
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$pastdir = date('Y-m-d', $pasttime);
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print('Adding '.$pastdir);
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$pastfdevdata = $pastdir.'/'.$fdevdata;
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if (file_exists($pastfdevdata)) {
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// Load that data and merge it into $curcd.
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$pastdd = json_decode(file_get_contents($pastfdevdata), true);
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$curdd['total_crashes'] += $pastdd['total_crashes'];
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foreach ($pastdd['devices'] as $devname=>$devdata) {
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print(':');
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if (array_key_exists($devname, $curdd['devices'])) {
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print('.');
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$curdd['devices'][$devname]['android_versions'] += $devdata['android_versions'];
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$curdd['devices'][$devname]['crashes'] += $devdata['crashes'];
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foreach ($devdata['signatures'] as $sig=>$count) {
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if (array_key_exists($sig, $curdd['devices'][$devname]['signatures'])) {
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$curdd['devices'][$devname]['signatures'][$sig] += $count;
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}
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else {
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$curdd['devices'][$devname]['signatures'][$sig] = $count;
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}
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}
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}
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else {
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print('.');
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$dd['devices'][$devname] = $devdata;
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}
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}
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print("\n");
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}
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else { print(' - '.$pastfdevdata.' not found.'."\n"); }
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}
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if ($curdd['total_crashes'] == $dd['total_crashes']) {
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// Not more than what the day had, so set to 0 which omits creating an HTML.
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$curdd['total_crashes'] = 0;
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}
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else {
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// sort devices alphabetically, signatures by count
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ksort($curdd['devices']);
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foreach ($curdd['devices'] as $devname=>$devdata) {
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sort($curdd['devices'][$devname]['android_versions']);
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arsort($curdd['devices'][$devname]['signatures']);
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}
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}
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}
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}
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else {
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// single-day data
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$curdd = $dd;
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}
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if (!file_exists($anafweb) && $curdd['total_crashes']) {
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// create out an HTML page
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print('Writing'.($type == 'week'?' weekly':' daily').' HTML output'."\n");
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$doc = new DOMDocument('1.0', 'utf-8');
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$doc->formatOutput = true; // we want a nice output
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$root = $doc->appendChild($doc->createElement('html'));
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$head = $root->appendChild($doc->createElement('head'));
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$title = $head->appendChild($doc->createElement('title',
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$anadir.' '.$prdverdisplay.($type == 'week'?' Weekly':'')
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.' Device Crash Report'));
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$style = $head->appendChild($doc->createElement('style'));
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$style->setAttribute('type', 'text/css');
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$style->appendChild($doc->createCDATASection(
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'.sig {'."\n"
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.' font-size: small;'."\n"
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.' text-align: left;'."\n"
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.'}'."\n"
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.'.num, .pct {'."\n"
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.' text-align: right;'."\n"
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.'}'."\n"
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.'tr.devheader, tr.sigheader {'."\n"
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.' background: #EEEEAA;'."\n"
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.'}'."\n"
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.'tr.devheader:target {'."\n"
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.' background: #EECCAA;'."\n"
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.'}'."\n"
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.'tr.subheader {'."\n"
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.' background: #FFFFCC;'."\n"
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.' color: #808080;'."\n"
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.' font-size: small;'."\n"
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.'}'."\n"
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));
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$body = $root->appendChild($doc->createElement('body'));
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$h1 = $body->appendChild($doc->createElement('h1',
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$anadir.' '.$prdverdisplay.($type == 'week'?' Weekly':'')
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.' Device Crash Report'));
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// description
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$para = $body->appendChild($doc->createElement('p',
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'All signatures of crashes listed by the devices '
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.' they seem to be happening on.'));
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$para = $body->appendChild($doc->createElement('p',
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'Total crashes analyzed in this report: '.$curdd['total_crashes']
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.($type == 'week'?' - covering 7 days up to and including '.$anadir.'.':'')));
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$list = $body->appendChild($doc->createElement('ul'));
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foreach (array('overview' => 'Device Overview',
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'devices' => 'Top Signatures Per Device',
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'sigs' => 'Devices Per Signature')
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as $name=>$title) {
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$item = $list->appendChild($doc->createElement('li'));
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$link = $item->appendChild($doc->createElement('a', $title));
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$link->setAttribute('href', '#'.$name);
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}
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$section = $body->appendChild($doc->createElement('section'));
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$section->setAttribute('id', 'bydevice');
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$header = $section->appendChild($doc->createElement('h2', 'Device Overview'));
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$header->setAttribute('id', 'overview');
|
|
|
|
$table = $section->appendChild($doc->createElement('table'));
|
|
$table->setAttribute('border', '1');
|
|
|
|
// table head
|
|
$tr = $table->appendChild($doc->createElement('tr'));
|
|
$th = $tr->appendChild($doc->createElement('th', 'Device'));
|
|
$th = $tr->appendChild($doc->createElement('th', 'Crashes'));
|
|
$th = $tr->appendChild($doc->createElement('th', '%'));
|
|
|
|
// create a list of all devices to be sorted by crash totals
|
|
$devtotals = array();
|
|
foreach ($curdd['devices'] as $devname=>$devdata) {
|
|
$devtotals[$devname] = $devdata['crashes'];
|
|
}
|
|
arsort($devtotals);
|
|
|
|
// variable for by-signature device stats
|
|
$ddbysig = array();
|
|
|
|
foreach ($devtotals as $devname=>$count) {
|
|
$idstring = 'dev-'.sanitize_name($devname);
|
|
$tr = $table->appendChild($doc->createElement('tr'));
|
|
$td = $tr->appendChild($doc->createElement('td'));
|
|
$link = $td->appendChild($doc->createElement('a', htmlentities($devname, ENT_COMPAT, 'UTF-8')));
|
|
$link->setAttribute('href', '#'.$idstring);
|
|
$td = $tr->appendChild($doc->createElement('td', $count));
|
|
$td->setAttribute('class', 'num');
|
|
$td = $tr->appendChild($doc->createElement('td',
|
|
sprintf('%.1f', 100 * $count / $curdd['total_crashes']).'%'));
|
|
$td->setAttribute('class', 'pct');
|
|
}
|
|
|
|
$header = $section->appendChild($doc->createElement('h2',
|
|
'Top Signatures Per Device'));
|
|
$header->setAttribute('id', 'devices');
|
|
|
|
$table = $section->appendChild($doc->createElement('table'));
|
|
$table->setAttribute('border', '1');
|
|
|
|
foreach ($curdd['devices'] as $devname=>$devdata) {
|
|
$idstring = 'dev-'.sanitize_name($devname);
|
|
|
|
$tr = $table->appendChild($doc->createElement('tr'));
|
|
$tr->setAttribute('id', $idstring);
|
|
$tr->setAttribute('class', 'devheader');
|
|
$th = $tr->appendChild($doc->createElement('th', htmlentities($devname, ENT_COMPAT, 'UTF-8')));
|
|
$th->setAttribute('colspan', 2);
|
|
|
|
$tr = $table->appendChild($doc->createElement('tr'));
|
|
$tr->setAttribute('class', 'subheader');
|
|
$td = $tr->appendChild($doc->createElement('td',
|
|
'Android versions: '.(count($devdata['android_versions'])?implode(', ',$devdata['android_versions']):'unknown')));
|
|
$td->setAttribute('colspan', 2);
|
|
|
|
// signatures rows
|
|
foreach ($devdata['signatures'] as $sig=>$count) {
|
|
// add element to by-signature array
|
|
if (!array_key_exists($sig, $ddbysig)) {
|
|
$ddbysig[$sig] = array('devices' => array(), '.count' => 0);
|
|
}
|
|
$ddbysig[$sig]['devices'][$devname] = $count;
|
|
$ddbysig[$sig]['.count'] += $count;
|
|
|
|
$tr = $table->appendChild($doc->createElement('tr'));
|
|
$td = $tr->appendChild($doc->createElement('td'));
|
|
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
|
|
$link = $td->appendChild($doc->createElement('a',
|
|
htmlentities($sig, ENT_COMPAT, 'UTF-8')));
|
|
$link->setAttribute('href', $url_siglinkbase.rawurlencode($sig));
|
|
}
|
|
$td->setAttribute('class', 'sig');
|
|
$td = $tr->appendChild($doc->createElement('td', $count));
|
|
$td->setAttribute('class', 'num');
|
|
}
|
|
}
|
|
|
|
$section = $body->appendChild($doc->createElement('section'));
|
|
$section->setAttribute('id', 'bysig');
|
|
|
|
// sort signatures and devices by count
|
|
uasort($ddbysig, 'count_compare'); // sort by count, highest-first
|
|
foreach ($ddbysig as $sig=>$sigdata) {
|
|
arsort($ddbysig[$sig]['devices']);
|
|
}
|
|
|
|
$header = $section->appendChild($doc->createElement('h2',
|
|
'Devices Per Signature'));
|
|
$header->setAttribute('id', 'sigs');
|
|
|
|
$table = $section->appendChild($doc->createElement('table'));
|
|
$table->setAttribute('border', '1');
|
|
|
|
foreach ($ddbysig as $sig=>$sigdata) {
|
|
$tr = $table->appendChild($doc->createElement('tr'));
|
|
$tr->setAttribute('class', 'sigheader');
|
|
$th = $tr->appendChild($doc->createElement('th'));
|
|
$th->setAttribute('class', 'sig');
|
|
if (!strlen($sig)) {
|
|
$link = $th->appendChild($doc->createElement('a', '(empty signature)'));
|
|
$link->setAttribute('href', $url_nullsiglink);
|
|
}
|
|
elseif ($sig == '\N') {
|
|
$th->appendChild($doc->createTextNode('(processing failure - "'.$sig.'")'));
|
|
}
|
|
else {
|
|
// common case, useful signature
|
|
$link = $th->appendChild($doc->createElement('a',
|
|
htmlentities($sig, ENT_COMPAT, 'UTF-8')));
|
|
$link->setAttribute('href', $url_siglinkbase.rawurlencode($sig));
|
|
}
|
|
$th = $tr->appendChild($doc->createElement('th', $sigdata['.count']));
|
|
$th->setAttribute('class', 'num');
|
|
|
|
// signatures rows
|
|
foreach ($sigdata['devices'] as $devname=>$count) {
|
|
$tr = $table->appendChild($doc->createElement('tr'));
|
|
$td = $tr->appendChild($doc->createElement('td',
|
|
htmlentities($devname, ENT_COMPAT, 'UTF-8')));
|
|
$td->setAttribute('class', 'devname');
|
|
$td = $tr->appendChild($doc->createElement('td', $count));
|
|
$td->setAttribute('class', 'num');
|
|
}
|
|
}
|
|
|
|
$doc->saveHTMLFile($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' => $rep['product'],
|
|
'channel' => $channel,
|
|
'version' => $ver,
|
|
'report' => 'devices',
|
|
'report_sub' => $type,
|
|
'display_ver' => $prdverdisplay,
|
|
'display_rep' => ($type == 'week'?'Weekly ':'')
|
|
.'Device Crash 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;
|
|
}
|
|
|
|
|
|
?>
|