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import.inc.php
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import.inc.php
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<?php
require_once 'classes/FilesDownload.class.php';
$bo_update_step = 0;
function bo_update_all($force = false, $only = '')
{
global $bo_update_step;
bo_echod(" ");
bo_echod("***** Getting lightning data from blitzortung.org *****");
bo_echod(" ");
session_write_close();
ignore_user_abort(true);
ini_set('default_socket_timeout', BO_SOCKET_TIMEOUT);
$debug = defined('BO_DEBUG') && BO_DEBUG;
$max_time = bo_update_get_timeout();
bo_getset_timeout($max_time);
//Check if sth. went wrong on the last update (if older continue)
$is_updating = (int)BoData::get('is_updating');
if ($is_updating && time() - $is_updating < min($max_time*5+60,$max_time+120) && !($force && $debug))
{
bo_echod("Another update is running *** Begin: ".date('Y-m-d H:i:s', $is_updating));
bo_echod(" ");
bo_echod("Exiting...");
return;
}
register_shutdown_function('bo_update_shutdown');
BoData::set('is_updating', time());
$bo_update_step = 1;
// to avoid to much connections from different stations to blitzortung.org at the same time
if (!$force && $max_time > 20)
{
$max_sleep = BO_UP_MAX_SLEEP;
$sleep = rand(0,$max_sleep);
bo_echod("Waiting $sleep seconds, to avoid too high load on Blitzortung servers ...");
sleep($sleep);
}
if (!BoData::get('first_update_time'))
BoData::set('first_update_time', time());
//check if we should do an async update
if ( (BO_UP_INTVL_STRIKES > BO_UP_INTVL_STATIONS && BO_UP_INTVL_STATIONS) )
{
if (!$force)
bo_echod("Info: Asynchronous update. No problem, but untestet. To avoid set strike timer < station timer < signal timer (or equal).");
$async = true;
}
else
$async = false;
/*** Get the data! ***/
//Strikes
if (!$only || $only == 'strikes')
$strikes_imported = bo_update_strikes($force);
//Update signals/stations only after strikes where imported
if ($strikes_imported !== false || $async || $force)
{
//Stations
if (bo_exit_on_timeout()) return;
if (!$only || $only == 'stations')
$stations_imported = bo_update_stations($force);
//Daily statistics
if (bo_exit_on_timeout()) return;
if (!$only || $only == 'daily')
bo_update_daily_stat();
// Alerts
if (defined('BO_ALERTS') && BO_ALERTS)
{
if (bo_exit_on_timeout()) return;
if (!$only || $only == 'alerts')
{
require_once 'alert.inc.php';
bo_alert_send();
}
}
}
if (bo_exit_on_timeout()) return;
/*** Update strike tracks ***/
if ($strikes_imported || $force)
{
if (!$only || $only == 'tracks')
bo_update_tracks($force);
}
/*** Download external pictures/files ***/
if (!$only || $only == 'download')
bo_download_external($force);
BoData::set('is_updating', 0);
$bo_update_step = 0;
if (bo_exit_on_timeout()) return;
//STEP 2
//Check if sth. went wrong on the last update (if older continue)
$is_updating = (int)BoData::get('is_updating_step2');
if ($is_updating && time() - $is_updating < $max_time*5 + 60 && !($force && $debug))
{
bo_echod("Another update is running *** Begin: ".date('Y-m-d H:i:s', $is_updating));
bo_echod(" ");
bo_echod("Exiting...");
return;
}
BoData::set('is_updating_step2', time());
$bo_update_step = 2;
/*** Purge old data ***/
if (!$only || $only == 'purge')
bo_purge_olddata($only && $force); //only force purge when "only" call
/*** File Cache ***/
if (bo_exit_on_timeout()) return;
if (!$only || $only == 'cache')
bo_purge_cache($force);
/*** TABLE STATUS (takes long time with InnoDB) ***/
if (bo_exit_on_timeout()) return;
$D = @unserialize(BoData::get('db_table_status'));
$tables = array('conf', 'raw', 'stations', 'stations_stat', 'stations_strikes', 'strikes', 'station', 'densities', 'cities');
$load = sys_getloadavg();
if (time() - $D['last'] > 3600 * 2 && $load[1] < 10)
{
$res = BoDb::query("SHOW TABLE STATUS WHERE Name LIKE '".BO_DB_PREF."%'");
while($row = $res->fetch_assoc())
{
$name = substr($row['Name'], strlen(BO_DB_PREF));
if (array_search($name, $tables) !== false)
{
$D['rows'][$name] = $row['Rows'];
$D['data'][$name] = $row['Data_length'];
$D['keys'][$name] = $row['Index_length'];
}
}
$D['last'] = time();
BoData::set('db_table_status', serialize($D));
}
bo_echod(" ");
bo_echod("Import finished. Exiting...");
bo_echod(" ");
BoData::set('is_updating_step2', 0);
$bo_update_step = 0;
/*** Densities ***/
//Separate from the other imports, as they could take veeeery long
//they have their own checks
if (bo_exit_on_timeout()) return;
if ( ($strikes_imported !== false && !$only) || $only == 'density')
{
require_once 'density.inc.php';
bo_update_densities($force);
}
return;
}
function bo_update_shutdown()
{
global $bo_update_step;
if ($bo_update_step == 1)
BoData::set('is_updating', 0);
else if ($bo_update_step == 2)
BoData::set('is_updating_step2', 0);
//bo_echod("step=".$bo_update_step);
}
// Get new strikes from blitzortung.org
function bo_update_strikes($force = false, $time_start_import = null)
{
global $_BO;
$last = BoData::get('uptime_strikes_try');
bo_echod(" ");
bo_echod("=== Strikes ===");
if (bo_version() < 801)
{
bo_echod("Database version too old. Need update...");
return;
}
if (time() - $last > BO_UP_INTVL_STRIKES * 60 - 30 || $force || time() < $last)
{
BoData::set('uptime_strikes_try', time());
$start_time = time();
$stations = bo_stations();
$own_id = bo_station_id();
$own_ids = bo_stations_own();
$count_inserted = 0;
$count_exists = 0;
$old_data = null;
$dist_data = array();
$bear_data = array();
$dist_data_own = array();
$bear_data_own = array();
$strikesperstation = array();
$min_stations_calc = 1000;
$max_stations_calc = 0;
$timeout = false;
$bo2id = array();
foreach($stations as $stId => $sdata)
{
$bo2id[$sdata['bo_station_id']] = $stId;
if (BO_ENABLE_LONGTIME_ALL === true || isset($own_ids[$sdata['bo_station_id']]))
{
$statistic_stations[$stId] = $stId;
$max_dist_all[$stId] = 0;
$min_dist_all[$stId] = 9E12;
$max_dist_own[$stId] = 0;
$min_dist_own[$stId] = 9E12;
}
}
//Extra keys for database
$keys_enabled = (BO_DB_EXTRA_KEYS === true);
$key_bytes_time = $keys_enabled ? intval(BO_DB_EXTRA_KEYS_TIME_BYTES) : 0;
$key_bytes_latlon = $keys_enabled ? intval(BO_DB_EXTRA_KEYS_LATLON_BYTES) : 0;
$key_bytes_time = 0 < $key_bytes_time && $key_bytes_time <= 4 ? $key_bytes_time : 0;
$key_bytes_latlon = 0 < $key_bytes_latlon && $key_bytes_latlon <= 4 ? $key_bytes_latlon : 0;
if ($key_bytes_time)
{
$key_time_vals = pow(2, 8 * $key_bytes_time);
$key_time_start = strtotime(BO_DB_EXTRA_KEYS_TIME_START);
$key_time_div = (double)BO_DB_EXTRA_KEYS_TIME_DIV_MINUTES;
}
if ($key_bytes_latlon)
{
$key_latlon_vals = pow(2, 8 * $key_bytes_latlon);
$key_lat_div = (double)BO_DB_EXTRA_KEYS_LAT_DIV;
$key_lon_div = (double)BO_DB_EXTRA_KEYS_LON_DIV;
}
/***** PREPARATIONS BEFORE READING *****/
$res = BoDb::query("SELECT time, time_ns, id max_id FROM ".BO_DB_PREF."strikes WHERE id=(SELECT MAX(id) FROM ".BO_DB_PREF."strikes)");
$row = $res->fetch_assoc();
$strike_last_time = $row['time'] ? strtotime($row['time'].' UTC') : 1;
$strike_last_time_ns = $row['time_ns'];
$strike_last_id = $row['max_id'];
if ($strike_last_time >= time() || $strike_last_time <= 0)
$strike_last_time = 1;
if (BO_UP_STROKE_MIN_TIME && strtotime(BO_UP_STROKE_MIN_TIME) > $strike_last_time)
{
bo_echod('Last strike too long ago: "'.date('Y-m-d H:i:s', $strike_last_time).'", minimum age is "'.BO_UP_STROKE_MIN_TIME.'"');
$strike_last_time = strtotime(BO_UP_STROKE_MIN_TIME);
}
$Files = new FilesDownload('strikes', 10, bo_access_url().BO_IMPORT_PATH_STROKES, $strike_last_time);
/***** SOME MORE PREPARATIONS BEFORE READING *****/
bo_update_error('strikedata', true); //reset error reporting
$loadcount = BoData::get('upcount_strikes');
BoData::set('upcount_strikes', $loadcount+1);
$last_strikes = unserialize(BoData::get('last_strikes_stations'));
bo_echod('Last strike: '.date('Y-m-d H:i:s', $strike_last_time).
' *** Loading '.$Files->FoundFiles.' files from '.gmdate('Y-m-d H:i:s', $Files->TimeStart).' to '.gmdate('Y-m-d H:i:s', $Files->TimeEnd).
' *** This is update #'.$loadcount);
BoDb::query("SET autocommit=0", false);
while ( ($l = $Files->GetNextLine()) !== false )
{
if ($Files->LastMessage)
{
bo_echod(" ".$Files->LastMessage);
$Files->LastMessage = '';
}
$l = trim($l);
$D = array();
$part_stations = array();
$error = 0;
$utime = 0;
if (!$l) //empty line
continue;
$D['time'] = substr($l, 0, 19);
$utime = strtotime($D['time'].' UTC');
if (!$utime)
{
$error++;
continue;
}
$D['time_ns'] = substr($l, 20, 9);
//check if strike is already imported
if ($utime == $strike_last_time && $D['time_ns'] == $strike_last_time_ns)
{
bo_echod("Found latest strike from last import");
continue;
}
else if ($utime < $strike_last_time || ($utime == $strike_last_time && $D['time_ns'] <= $strike_last_time_ns))
{
continue;
}
//Position
if (preg_match('/pos;([-0-9\.]+);([-0-9\.]+);([-0-9\.]+)/', $l, $r))
{
$D['lat'] = $r[1];
$D['lon'] = $r[2];
$D['alt'] = $r[3];
if ($D['lat'] == 0 && $D['lon'] == 0)
{
bo_echod(" Text: \"$l\" --> Error: lat/lon == 0.0 not allowed!");
continue;
}
if (abs($D['lat']) > 90 || abs($D['lon']) > 180)
{
bo_echod(" Text: \"$l\" --> Error: lat/lon out of range!");
continue;
}
}
else
{
bo_echod(" Text: \"$l\" --> Error: No position found. Continue...");
$error++;
continue;
}
//Current
if (preg_match('/str;([0-9\.]+)/', $l, $r))
$D['current'] = $r[1];
else
$error++;
//Type
if (preg_match('/typ;([0-9\.]+)/', $l, $r))
$D['type'] = $r[1];
else
$error++;
//Deviation
if (preg_match('/dev;([0-9\.]+)/', $l, $r))
{
$D['deviation'] = ($r[1]/1E9) * BO_C;
}
else
$error++;
//Stations
if (preg_match('/sta;([0-9]+);([0-9]+);([^ ]+)/', $l, $r))
{
$D['stations_calc'] = $r[1];
$D['stations'] = $r[2];
$part_stations = explode(',', $r[3]);
if ( ($pos = array_search(bo_station_id(true), $part_stations)) !== false)
{
$D['part'] = 1;
$D['part_pos'] = $pos+1;
}
else
{
$D['part'] = 0;
$D['part_pos'] = 0;
}
}
else
$error++;
$D['status'] = 2; //always 2
if ($key_bytes_time)
{
$D['time_x'] = array('(FLOOR(('.($utime-$key_time_start).')/60/'.$key_time_div.')%'.$key_time_vals.')');
}
if ($key_bytes_latlon)
{
$D['lat_x'] = array('FLOOR((('.(90+$D['lat']).')%'.$key_lat_div.')/'.$key_lat_div.'*'.$key_latlon_vals.')');
$D['lon_x'] = array('FLOOR((('.(180+$D['lon']).')%'.$key_lon_div.')/'.$key_lon_div.'*'.$key_latlon_vals.')');
}
if (BO_DB_STRIKES_MERCATOR === true)
{
$D['lat_merc'] = array(bo_sql_lat2tiley($D['lat'], BO_DB_STRIKES_MERCATOR_SCALE, false));
$D['lon_merc'] = array(bo_sql_lon2tilex($D['lon'], BO_DB_STRIKES_MERCATOR_SCALE, false));
}
if (BO_DB_PARTITIONING === true)
{
$D['ppos'] = ( floor( ($D['lat']+90) / BO_DB_PARTITION_LAT_DIVISOR) * (360 / BO_DB_PARTITION_LON_DIVISOR) + floor( ($D['lon']+180) / BO_DB_PARTITION_LON_DIVISOR) ) % 256;
}
/********* Statistics **********/
foreach($statistic_stations as $stId)
{
$stLat = $stations[$stId]['lat'];
$stLon = $stations[$stId]['lon'];
if ($stLat == 0.0 && $stLon == 0.0) //station has no position yet
continue;
$dist = bo_latlon2dist($D['lat'], $D['lon'], $stLat, $stLon);
$bear = bo_latlon2bearing($D['lat'], $D['lon'], $stLat, $stLon);
$bear_id = intval($bear);
$dist_id = intval($dist / 10 / 1000);
$max_dist_all[$stId] = max($dist, $max_dist_all[$stId]);
$min_dist_all[$stId] = min($dist, $min_dist_all[$stId]);
$bear_data[$stId][$bear_id]++;
$dist_data[$stId][$dist_id]++;
//strike detected by station
if (array_search($stations[$stId]['bo_station_id'], $part_stations) !== false)
{
$bear_data_own[$stId][$bear_id]++;
$dist_data_own[$stId][$dist_id]++;
$max_dist_own[$stId] = max($dist, $max_dist_own[$stId]);
$min_dist_own[$stId] = min($dist, $min_dist_own[$stId]);
$strikesperstation[$stId]++;
}
if ($stId == $own_id)
{
$D['distance'] = $dist;
$D['bearing'] = $bear;
}
}
//auto_increment!!
$strike_last_id++;
$D['id'] = $strike_last_id;
BoDb::bulk_insert('strikes', $D);
$count_inserted++;
$id = $strike_last_id;
$new_strike = true;
$all_stats = !(defined('BO_STATION_STAT_DISABLE') && BO_STATION_STAT_DISABLE == true);
//Update Strike <-> All Participated Stations
if ($id && ( count($own_ids) > 1 || $all_stats ) )
{
$sql_data = array();
$st_check = array();
foreach($part_stations as $bo_station_id)
{
if (!$all_stats && !$own_ids[$bo_station_id])
continue;
$stId = $bo2id[$bo_station_id];
if ($stId && !isset($st_check[$stId]))
{
$st_check[$stId] = true; //don't add same station more than 1 time!
$last_strikes[$stId] = array($utime, $D['time_ns'], $id);
$sql_data['strike_id'] = $id;
$sql_data['station_id'] = $stId;
BoDb::bulk_insert('stations_strikes', $sql_data);
}
}
}
//general statistics
$min_stations_calc = min($D['stations_calc'], $min_stations_calc);
$max_stations_calc = max($D['stations_calc'], $max_stations_calc);
$max_stations = max($max_stations, $D['stations']);
//Timeout
if (bo_exit_on_timeout())
{
$last_strike_time = $utime;
$timeout = true;
break;
}
}
if ($Files->LastMessage)
bo_echod(" ".$Files->LastMessage);
bo_echod("Lines: ".$Files->NumLines." *** Size: ".round($Files->NumBytes/1024)."kB *** New Strikes: $count_inserted *** Errors: $error");
$modified = $Files->NewModified;
$Files->Close();
//Insert rest of data
BoDb::bulk_insert('strikes');
BoDb::bulk_insert('stations_strikes');
//General
BoData::set('last_strikes_stations', serialize($last_strikes));
$count = BoData::get('longtime_max_participants');
if ($count < $max_stations)
{
BoData::set('longtime_max_participants', $max_stations);
BoData::set('longtime_max_participants_time', time());
}
//strike count per region
$_BO['region'][] = array(); //dummy for "all"
$time_start = gmdate('Y-m-d H:i:s', time() - 120 - BO_GRAPH_STAT_STRIKES_NOW_GROUP_MINUTES*60);
$time_end = gmdate('Y-m-d H:i:s', time() - 120);
$sql_template = "SELECT MAX(time) mtime, COUNT(id) cnt
FROM ".BO_DB_PREF."strikes s
WHERE time BETWEEN '$time_start' AND '$time_end' {where} ";
$last_strikes_region = unserialize(BoData::get('last_strikes_region'));
$rate_strikes_region = unserialize(BoData::get('rate_strikes_region'));
foreach ($_BO['region'] as $reg_id => $d)
{
$sql = strtr($sql_template,array('{where}' => bo_region2sql($reg_id)));
$row = BoDb::query($sql)->fetch_assoc();
$rate_strikes_region[$reg_id] = $row['cnt'] / BO_GRAPH_STAT_STRIKES_NOW_GROUP_MINUTES;
if ($row['mtime'])
$last_strikes_region[$reg_id] = strtotime($row['mtime'].' UTC');
}
BoData::set('last_strikes_region', serialize($last_strikes_region));
BoData::set('rate_strikes_region', serialize($rate_strikes_region));
//Update Longtime statistics per station for detected strikes
foreach($strikesperstation as $stId => $count)
{
$add = $stId == $own_id ? '' : '#'.$stId.'#';
BoData::update_add('count_strikes_own'.$add, $count);
$bear_data_tmp = unserialize(BoData::get('longtime_bear_own'.$add));
if (!$bear_data_tmp['time']) $bear_data_tmp['time'] = time();
foreach($bear_data_own[$stId] as $bear_id => $bear_count)
$bear_data_tmp[$bear_id] += $bear_count;
BoData::set('longtime_bear_own'.$add, serialize($bear_data_tmp));
$dist_data_tmp = unserialize(BoData::get('longtime_dist_own'.$add));
if (!$dist_data_tmp['time']) $dist_data_tmp['time'] = time();
foreach($dist_data_own[$stId] as $dist_id => $dist_count)
$dist_data_tmp[$dist_id] += $dist_count;
BoData::set('longtime_dist_own'.$add, serialize($dist_data_tmp));
$max = BoData::get('longtime_max_dist_own'.$add);
if ($max < $max_dist_own[$stId])
{
BoData::set('longtime_max_dist_own'.$add, $max_dist_own[$stId]);
BoData::set('longtime_max_dist_own_time'.$add, time());
}
$min = BoData::get('longtime_min_dist_own'.$add);
if (!$min || $min > $min_dist_own[$stId])
{
BoData::set('longtime_min_dist_own'.$add, $min_dist_own[$stId]);
BoData::set('longtime_min_dist_own_time'.$add, time());
}
}
//Update Longtime statistics per station for all strikes
foreach($statistic_stations as $stId)
{
//update only if station is active or got some strikes during the update
if (bo_status($stations[$stId]['status'], STATUS_RUNNING) || $strikesperstation[$stId])
{
$add = $stId == $own_id ? '' : '#'.$stId.'#';
BoData::update_add('count_strikes'.$add, $count_inserted);
if (isset($dist_data[$stId]))
{
$dist_data_tmp = unserialize(BoData::get('longtime_dist'.$add));
if (!$dist_data_tmp) $dist_data_tmp['time'] = time();
foreach($dist_data[$stId] as $dist_id => $dist_count)
$dist_data_tmp[$dist_id] += $dist_count;
BoData::set('longtime_dist'.$add, serialize($dist_data_tmp));
}
if (isset($bear_data[$stId]))
{
$bear_data_tmp = unserialize(BoData::get('longtime_bear'.$add));
if (!$bear_data_tmp) $bear_data_tmp['time'] = time();
foreach($bear_data[$stId] as $bear_id => $bear_count)
$bear_data_tmp[$bear_id] += $bear_count;
BoData::set('longtime_bear'.$add, serialize($bear_data_tmp));
}
$max = BoData::get('longtime_max_dist_all'.$add);
if ($max < $max_dist_all[$stId])
{
BoData::set('longtime_max_dist_all'.$add, $max_dist_all[$stId]);
BoData::set('longtime_max_dist_all_time'.$add, time());
}
$min = BoData::get('longtime_min_dist_all'.$add);
if (!$min || $min > $min_dist_all[$stId])
{
BoData::set('longtime_min_dist_all'.$add, $min_dist_all[$stId]);
BoData::set('longtime_min_dist_all_time'.$add, time());
}
}
}
BoDb::query("COMMIT", false);
BoDb::query("SET autocommit=1", false);
if ($timeout)
{
bo_echod("TIMEOUT: Continue next time...");
$updated = false;
BoData::set('uptime_strikes_modified', $last_strike_time);
}
else
{
$updated = true;
BoData::set('uptime_strikes', time());
BoData::set('uptime_strikes_modified', $modified);
bo_update_status_files('strikes');
bo_cache_log('Strike data updated!');
//Guess Minimum Participants
if (intval(BO_FIND_MIN_PARTICIPANTS_HOURS))
{
$min_hours = BO_FIND_MIN_PARTICIPANTS_HOURS;
$see_same = BO_FIND_MIN_PARTICIPANTS_COUNT;
$tmp = unserialize(BoData::get('bo_participants_locating_min'));
$min_stations_calc = $tmp['value'];
if (time() - $tmp['time'] > 3600 * BO_FIND_MIN_PARTICIPANTS_HOURS)
{
$row = BoDb::query("SELECT MIN(stations) minusers FROM ".BO_DB_PREF."strikes WHERE time>'".gmdate('Y-m-d H:i:s', time() - 3600*$min_hours)."'")->fetch_assoc();
if ($row['minusers'] >= 3)
{
//only save the value after some same values
if ($tmp['count'] >= $see_same)
{
$tmp['value'] = $row['minusers'];
$tmp['count'] = 0;
}
else
$tmp['count']++;
$tmp['last'] = $row['minusers'];
$tmp['time'] = time();
BoData::set('bo_participants_locating_min', serialize($tmp));
}
}
}
//Maximum Participants
if (intval(BO_FIND_MAX_PARTICIPANTS_HOURS) && $max_stations_calc >= 3)
{
$tmp = unserialize(BoData::get('bo_participants_locating_max'));
$tmp['value_last'] = max($tmp['value_last'], $max_stations_calc);
if (time() - $tmp['time'] > 3600 * BO_FIND_MAX_PARTICIPANTS_HOURS && $max_stations_calc >= $min_stations_calc)
{
$tmp['time'] = time();
$tmp['value'] = $tmp['value_last'];
$tmp['value_last'] = 0; //if max value shrinks!
}
BoData::set('bo_participants_locating_max', serialize($tmp));
}
}
}
else
{
bo_echod("No update. Last update ".(time() - $last)." seconds ago. This is normal and no error message!");
$updated = false;
}
return $updated;
}
// Get stations-data and statistics from blitzortung.org
function bo_update_stations($force = false)
{
$last = BoData::get('uptime_stations_try');
bo_echod(" ");
bo_echod("=== Stations ===");
if (!defined('BO_UP_INTVL_STATIONS') || !BO_UP_INTVL_STATIONS || time() < $last)
{
bo_echod("Disabled!");
}
if (bo_version() < 801)
{
bo_echod("Database version too old. Need update...");
return;
}
$count_inserted = 0;
$count_updated = 0;
$count_noupdate = 0;
if (time() - $last > BO_UP_INTVL_STATIONS * 60 - 30 || $force)
{
BoData::set('uptime_stations_try', time());
$StData = array();
$signal_count = 0;
$time = time();
//send a last modified header
if (!$force)
{
$last_modified = BoData::get('uptime_stations_modified');
$modified = $last_modified;
}
$range = 0;
$file = bo_get_file(bo_access_url().BO_IMPORT_PATH_STATIONS, $code, 'stations', $range, $modified);
//wasn't modified
if ($code == 304)
{
if ($last_modified > 0 && time() - $last_modified > 3600 * 2)
{
bo_echod("Last modified time too old (Blitzortung.org down?). Setting modified to now!");
BoData::set('uptime_strikes_modified', time());
}
BoData::set('uptime_stations', time());
bo_echod("File not changed since last download (".date('r', $modified).")");
return false;
}
//set the modified header
if (intval($modified) <= 0)
$modified = time() - 180;
BoData::set('uptime_stations_modified', $modified);
//ERROR
if ($file === false)
{
bo_update_error('stationdata', 'Download of station data failed. '.$code);
bo_echod("ERROR: Couldn't get file for stations! Code: $code");
return false;
}
$cache_file = BO_DIR.BO_CACHE_DIR.'/stations.txt.gz';
if (!file_put_contents($cache_file, $file))
{
bo_update_error('stationdata', 'Cannot write cache file');
bo_echod("ERROR: Cannot write cache file");
return false;
}
$tmp = gzfile($cache_file);
$file = implode('', $tmp);
$tmp = array();
if (!$file)
{
bo_update_error('stationdata', 'Could not uncompress station data. '.$code);
bo_echod("ERROR: Could not uncompress station data.");
return false;
}
$lines = explode("\n", $file);
//we need the current station data for later usage
$all_stations = bo_stations('bo_station_id');
foreach($all_stations as $boid => $d)
$id2bo[$d['id']] = $boid;
//check if sth went wrong
if (count($lines) < 3 || (count($lines) < (count($all_stations)-10) * BO_UP_STATION_DIFFER))
{
bo_update_error('stationcount', 'Station count differs too much: '.count($all_stations).' in Database / '.count($lines).' lines in stations.txt');
BoData::set('uptime_stations', time());
return;
}
//Debug output
$loadcount = BoData::get('upcount_stations');
BoData::set('upcount_stations', $loadcount+1);
bo_echod('Last update: '.date('Y-m-d H:i:s', $last).' *** This is update #'.$loadcount);
//reset error counter
bo_update_error('stationdata', true);
bo_update_error('stationcount', true);
$activebyuser = array();
$errors = 0;
foreach($lines as $l)
{
$D = array();
$error = 0;
$l = trim($l);
$utime = 0;
if (!$l)
continue;
//Station-Id
if (preg_match('/station;([0-9]+)/', $l, $r))
$D['bo_station_id'] = $r[1];
else
$error++;
//User-Id
if (preg_match('/user;([0-9]+)/', $l, $r))
$D['bo_user_id'] = $r[1];
else
$error++;
//City
if (preg_match('/city;"([^"]+)"/', $l, $r))
$D['city'] = $r[1];
else
$D['city'] = '';
//Country
if (preg_match('/country;"([^"]+)"/', $l, $r))
$D['country'] = $r[1];
else
$D['country'] = '';
//Position
if (preg_match('/pos;([-0-9\.]+);([-0-9\.]+);([-0-9\.]+)/', $l, $r))
{
$D['lat'] = $r[1];
$D['lon'] = $r[2];
$D['alt'] = $r[3];
}
else
$error++;
//PCB
if (preg_match('/board;"?([^ ]+)"?/', $l, $r))
$D['controller_pcb'] = strtr($r[1], array('"' =>''));
//Status
if (preg_match('/status;"?([^ ]+)"?/', $l, $r))
$D['status'] = $r[1];
//Firmware
if (preg_match('/firmware;"([^"]+)"/', $l, $r))
$D['firmware'] = $r[1];
//Comment
if (preg_match('/comments;"([^"]+)"/', $l, $r))
$D['comment'] = $r[1];
else
$D['comment'] = '';
//Website
if (preg_match('/website;"([^"]+)"/', $l, $r))
$D['url'] = $r[1];
else
$D['url'] = '';
//Signals
if (preg_match('/signals;"?(([^ ;]+);)?([^ ;]+)"?/', $l, $r))
{
if (!trim($r[2]))
{
$D['signals'][60] = $r[3];
}
else
{
$times = explode(',', $r[2]);
$values = explode(',', $r[3]);
foreach($times as $i => $t)
$D['signals'][$t] = $values[$i];
}
}
//Last Signal
if (preg_match('/last_signal;"([-: 0-9]+)" ?/', $l, $r))
{
$D['last_time'] = $r[1];
//$D['last_time_ns'] = $r[3];
$utime = strtotime($D['last_time'].' UTC');
}
//Amplifier data
if (preg_match('/input_board;"?([^ ]+)"?/', $l, $r))
$D['amp_pcbs'] = $r[1];
if (preg_match('/input_gain;"?([^ ]+)"?/', $l, $r))
$D['amp_gains'] = $r[1];
if (preg_match('/input_antenna;"?([^ ]+)"?/', $l, $r))
$D['amp_antennas'] = $r[1];
if (preg_match('/input_firmware;"?([^ ]+)"?/', $l, $r))
$D['amp_firmwares'] = strtr($r[1], array('"' =>'')); //qick&dirty :-/
if (empty($D) || $error)
{
$errors++;
continue;
}
$id = $D['bo_station_id'];
$file_truncated = false;
$D['distance'] = round(bo_latlon2dist($D['lat'], $D['lon']) / 100) * 100;
if ($id <= 0)
{
bo_echod("Wrong station Id $id ".$D['country'].'/'.$D['city']);
continue;
}
//Set station inactive
if (time() - $utime > 3600 * 24 * BO_STATION_INACTIVE_DAYS)
$D['status'] = 0;
//Data for statistics
$StData[$id] = array(
'time' => $utime,
'lat' => $D['lat'],
'lon' => $D['lon'],
'sig' => $D['signals'][60],
'status' => $D['status']);
//build query
$sql = '';
foreach($D as $name => $val)
{
if (is_array($val)) //array ==> statistics
continue;