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freenetis-github/application/controllers/scheduler.php @ c2e44ab0

<?php defined('SYSPATH') or die('No direct script access.');
/*
* This file is part of open source system FreenetIS
* and it is released under GPLv3 licence.
*
* More info about licence can be found:
* http://www.gnu.org/licenses/gpl-3.0.html
*
* More info about project can be found:
* http://www.freenetis.org/
*
*/

require_once APPPATH . 'libraries/importers/Fio/FioConnection.php';
require_once APPPATH . 'libraries/importers/Fio/FioConfig.php';
require_once APPPATH . 'libraries/importers/Fio/FioImport.php';
require_once APPPATH . 'libraries/importers/Fio/FioSaver.php';


/**
* Controller performs specified actions at specified time.
* This part of system has to be added to CRON.
*
* @package Controller
*/
class Scheduler_Controller extends Controller
{
/**
* Log scheduler error
*
* @param string $method
* @param Exception $e
*/
private static function log_error($method, Exception $e)
{
// get humanize method
$method = str_replace('|', ' ' . __('or') . ' ', $method);
// logg
Log::add('error', Kohana::lang(
'core.scheduler_exception', get_class($e),
$e->getMessage(), $method,
$e->getLine()
));
}
/**
* Redirect to index
*/
public function index()
{
url::redirect(url::base());
}

/**
* This function should be regularly launched by scheduler.
* Scheduler can be bash script run by cron.
*
* @author Jiri Svitak
*/
public function run()
{
// script needs to be run from its server machine
if (server::remote_addr() != server::server_addr())
{
echo 'access denied';
die();
}

// daily actions
if ((date('H:i') == '00:00'))
{
try
{
ORM::factory('member')->update_lock_status();
}
catch (Exception $e)
{
self::log_error('update_lock_status', $e);
}

try
{
if (Settings::get('ulogd_enabled') == '1')
{
self::members_traffic_partitions_daily();
}
}
catch (Exception $e)
{
self::log_error('members_traffic_partitions_daily', $e);
}

try
{
// first day in month (per month)
if (date('m') == '01' && Settings::get('ulogd_enabled') == '1')
{
self::members_traffic_partitions_montly();
}
}
catch (Exception $e)
{
self::log_error('members_traffic_partitions_daily', $e);
}

try
{
if (Settings::get('action_logs_active') == '1')
{
self::logs_partitions_daily();
}
}
catch (Exception $e)
{
self::log_error('action_logs_active', $e);
}
}

/*
if (date('H:i') == "01:00")
{
if (Settings::get('fio_import_daily') == '1')
{
self::fio_import_daily();
}
catch (Exception $e)
{
self::log_error('fio_import_daily', $e);
}
}
*/
// send emails

try
{
self::send_quened_emails();
}
catch (Exception $e)
{
self::log_error('send_quened_emails', $e);
}

// SMS should be down there because they can take a while
try
{
if (Sms::enabled())
{
//send quened SMS
self::send_quened_sms();

//receive SMS
self::receive_sms();
}
}
catch (Exception $e)
{
self::log_error('send_quened_sms|receive_sms', $e);
}

// update allowed subnets
try
{
if (Settings::get('allowed_subnets_enabled'))
{
self::update_allowed_subnets();
}
}
catch (Exception $e)
{
self::log_error('update_allowed_subnets', $e);
}
// update local subnets
self::update_local_subnets();
// send notification from monitoring
self::monitoring_notification();

// update ulogd
try
{
if (Settings::get('ulogd_enabled'))
{
self::update_ulogd();
}
}
catch (Exception $e)
{
self::log_error('update_ulogd', $e);
}
// set state of module (last activation time)
Settings::set('cron_state', date('Y-m-d H:i:s'));
}

/**
* @author Jiri Svitak
*/
// public function fio_import_daily()
// {
// //try
// {
// //$db = new Transfer_Model();
// //$db->transaction_start();
//
// $ba = ORM::factory('bank_account')->where("bank_nr", Settings::get("fio_bank_account"))->find();
//
// $bs_model = new Bank_statement_Model();
// $bs = $bs_model->get_last_statement($ba->id);
//
// if (count($bs) > 0)
// {
// $fromDate = $bs->current()->to;
// }
// else
// {
// $fromDate = "2000-01-01";
// }
//
// $toDate = date::decrease_day(date('Y'), date('m'), date('d'));
//
// // correct date format for FIO
// $fromDate = date('d.m.Y', strtotime($fromDate));
// $toDate = date('d.m.Y', strtotime($toDate));
//
// $downloadConfig = new FioConfig(Settings::get("fio_user"),
// Settings::get("fio_password"),
// Settings::get("fio_account_number"),
// Settings::get("fio_view_name"));
//
// $connection = new FioConnection($downloadConfig);
//
// $csvData = $connection->getCSV($fromDate, $toDate);
// $csvData = iconv('cp1250', 'UTF-8', $csvData);
//
// echo '<br>';
// echo $csvData;die();
//
// $data = FioParser::parseCSV($csvData);
// FioImport::correctData($data);
// $header = FioImport::getListingHeader();
//
// echo '<br>';
// echo $data;
//
// FioSaver($data);
//
// //$db->transaction_commit();
//
// }
// /*
// catch(Exception $e)
// {
// $db->transaction_rollback();
// throw $e;
// }
// *
// */
// }


/**
* Manage partitions of log table.
* Add partition for current day and removes 31 days old partition.
*
* @see Logs_Controller
* @author Ondřej Fibich
*/
private static function logs_partitions_daily()
{
$model_log = new Log_Model();
// remove log partition
$model_log->remove_old_partitions();
// add partition for today
$model_log->add_partition();
}

/**
* Manage partitions of members_traffic_daily table.
* Add partition for current day and removes old partition.
*
* @author Ondřej Fibich
*/
private static function members_traffic_partitions_daily()
{
$model_members_traffic_daily = new Members_traffic_Model();
// remove log partition
$model_members_traffic_daily->remove_daily_old_partitions();
// add partition for today
$model_members_traffic_daily->add_daily_partition();
}

/**
* Manage partitions of members_traffic_montly table.
* Add partition for current month and removes old partition.
*
* @author Ondřej Fibich
*/
private static function members_traffic_partitions_montly()
{
$model_members_traffic_montly = new Members_traffic_Model();
// remove log partition
$model_members_traffic_montly->remove_monthly_old_partitions();
// add partition for today
$model_members_traffic_montly->add_monthly_partition();
}

/**
* Function sends SMS messages from db queue.
* Sends 30 SMS messages by one call.
*
* @author Ondrej Fibich, Roman Sevcik
*/
private function send_quened_sms()
{
// gets unsended SMS
$unsent_messages = ORM::factory('sms_message')->where(array
(
'type' => Sms_message_Model::SENT,
'state' => Sms_message_Model::SENT_UNSENT
))->where('send_date < CURRENT_TIMESTAMP')->limit(30)->find_all();
// no SMS unsended => bye bye!
if (!count($unsent_messages))
{
return;
}
$sms_drivers = array();

// send all SMS
foreach ($unsent_messages as $m)
{
// enabled operator?
if (!Phone_operator_Model::is_sms_enabled_for($m->receiver))
{
$m->state = Sms_message_Model::SENT_FAILED;
$m->message = 'Phone operator of number is not enabled for sending SMS';
$m->save();
continue;
}
// init driver if not initialized before
if (!array_key_exists($m->driver, $sms_drivers))
{
$sms = Sms::factory($m->driver);

// wrong driver
if (!$sms)
{
$m->state = Sms_message_Model::SENT_FAILED;
$m->message = __('Unknown driver');
$m->save();
continue;
}

// gets variables from config
$user = Settings::get('sms_user' . $m->driver);
$password = Settings::get('sms_password' . $m->driver);
$hostname = Settings::get('sms_hostname' . $m->driver);
$test_mode = (Settings::get('sms_test_mode' . $m->driver) == 1);

// sets config vars to driver
$sms->set_hostname($hostname);
$sms->set_user($user);
$sms->set_password($password);
$sms->set_test($test_mode);
// save driver
$sms_drivers[$m->driver] = $sms;
}
// prepare message
$text = htmlspecialchars_decode($m->text);
// sends SMS
if ($sms_drivers[$m->driver]->send($m->sender, $m->receiver, $text))
{
$m->state = Sms_message_Model::SENT_OK;
$m->message = $sms_drivers[$m->driver]->get_status();
}
else
{
$m->state = Sms_message_Model::SENT_FAILED;
$m->message = $sms_drivers[$m->driver]->get_error();
}

// save message
$m->save();
}
}

/**
* Function receive SMS messages from GSM gw.
*
* @author Ondrej Fibich, Roman Sevcik
*/
private function receive_sms()
{
$active_drivers = Sms::get_active_drivers();
// for each active driver
foreach ($active_drivers as $key => $driver)
{
// create driver
$sms = Sms::factory($key);
if (!$sms)
{
continue;
}
// sets vars to driver
$sms->set_hostname(Settings::get('sms_hostname' . $key));
$sms->set_user(Settings::get('sms_user' . $key));
$sms->set_password(Settings::get('sms_password' . $key));
// receive
if ($sms->receive())
{
// get messages
$messages = $sms->get_received_messages();
foreach ($messages as $message)
{
$recipient = Settings::get('sms_sim_card_number' . $key);
if ($recipient == null || $recipient == '')
{
$recipient = Settings::get('sms_sender_number');
}

// save message to database
$sms_model = new Sms_message_Model();
$sms_model->user_id = NULL;
$sms_model->stamp = $message->date;
$sms_model->send_date = $message->date;
$sms_model->text = htmlspecialchars($message->text);
$sms_model->sender = $message->sender;
$sms_model->receiver = $recipient;
$sms_model->driver = $key;
$sms_model->type = Sms_message_Model::RECEIVED;
$sms_model->state = Sms_message_Model::RECEIVED_UNREAD;
$sms_model->save();
}
}
}
}

/**
* Update ulogd
*
* @author Michal Kliment
*/
private static function update_ulogd()
{
// it's time to update
if ((
Settings::get('ulogd_update_last') +
Settings::get('ulogd_update_interval')
) < time())
{
$members_traffic_model = new Members_traffic_Model();
// finding of count of active members
$ulogd_active_count = Settings::get('ulogd_active_count');

// count is in percents
if (substr($ulogd_active_count, -1) == '%')
{
// finds total members to ulogd
$total = ORM::factory('member')->count_all_members_to_ulogd();
// calculates count of active members from percents
$ulogd_active_count = (int) round(
((int) substr($ulogd_active_count, 0, -1)) / 100 * $total
);
}
// finding of avarage
$avg = $members_traffic_model->avg_daily_traffics(
date('Y-m-d'), Settings::get('ulogd_active_type')
);

if (($ulogd_active_min = Settings::get('ulogd_active_min')) != '')
{
$min = doubleval($ulogd_active_min);

switch (substr($ulogd_active_min, -2, 1))
{
case 'k':
// do nothing
break;
case 'M':
$min *= 1024;
break;
case 'G':
$min *= 1024 * 1024;
break;
case 'T':
$min *= 1024 * 1024 * 1024;
break;
default:
$min /= 1024;
break;
}

if ($avg < $min)
$avg = $min;
}
// updates active members
$members_traffic_model->update_active_members(
$avg, $ulogd_active_count,
Settings::get('ulogd_active_type'),
date('Y-m-d')
);
// updates variable
Settings::set('ulogd_update_last', time());
}
}

/**
* Updates allowed subnets
*
* @author Michal Kliment
*/
private function update_allowed_subnets()
{
// it's time to update
if (Settings::get('allowed_subnets_enabled') &&
(
Settings::get('allowed_subnets_update_last') +
Settings::get('allowed_subnets_update_interval')
) < time())
{
ORM::factory('message')
->activate_unallowed_connecting_place_message(User_Model::MAIN_USER);
}
}
/**
* Sent e-mails from queue
*
* @author Michal Kliment
*/
private static function send_quened_emails()
{
$email_queue_model = new Email_queue_Model();
$email_queue = $email_queue_model->get_current_queue();
if (!count($email_queue))
return; // do not connect to SMPT server for no reason (fixes #336)
$swift = email::connect();
foreach ($email_queue as $email)
{
// Build recipient lists
$recipients = new Swift_RecipientList;
$recipients->addTo($email->to);
// Build the HTML message
$message = new Swift_Message($email->subject, $email->body, "text/html");
// Send
if (Config::get('unit_tester') ||
$swift->send($message, $recipients, $email->from))
{
$email->state = Email_queue_Model::STATE_OK;
}
else
$email->state = Email_queue_Model::STATE_FAIL;
$email_queue->access_time = date('Y-m-d H:i:s');
$email->save();
}
$swift->disconnect();
}
/**
* Updates local subnets from web
*
* @author Michal Kliment
* @return type
*/
private static function update_local_subnets()
{
// it's time to update
if ((
Settings::get('local_subnets_update_last') +
Settings::get('local_subnets_update_interval')
) < time())
{
define('URL', "http://software77.net/geo-ip/?DL=1");

$country = new Country_Model(Settings::get('default_country'));

// default country is not set
if (!$country->id)
return;

// read file with all subnets
$file = @gzfile(URL);

// bad file
if (!$file)
return;

// select only subnets belongs to default counrty
$lines = preg_grep("/\"".$country->country_iso."\"/", $file);

$local_subnet_model = new Local_subnet_Model();

$subnets = array();
foreach ($lines as $line)
{
// this shouldn't be happen
if (!preg_match ("/\"([0-9]+)\"\,\"([0-9]+)\"\,\"([a-zA-Z]+)\"\,\"([0-9]+)\"\,\"([A-Z]+)\"\,\"([A-Z]+)\"\,\"([a-zA-Z \(\)\:;\'\.\-]+)\"/", $line, $matches))
continue;

$network_address = long2ip($matches[1]);

$netmask = long2ip(~($matches[2]-$matches[1]));

$subnets[] = array
(
'network_address' => $network_address,
'netmask' => $netmask
);
}

// no subnets
if (!count($subnets))
return;
// do it in transaction
try
{
$local_subnet_model->transaction_start();

// deletes all subnets
$local_subnet_model->delete_subnets();

// adds new subnets
$local_subnet_model->add_subnets($subnets);

$local_subnet_model->transaction_commit();
}
catch (Exception $e)
{
$local_subnet_model->transaction_rollback();
self::log_error('update_local_subnets', $e);
}
// updates variable
Settings::set('local_subnets_update_last', time());
}
}
/**
* Send notification of down hosts or hosts which returned from down state
*
* @author Michal Kliment
*/
private static function monitoring_notification()
{
// prepare models
$email_queue_model = new Email_queue_Model();
$monitor_host_model = new Monitor_host_Model();
try
{
$monitor_host_model->transaction_start();
// find maximal diff between down time and last attempt time
$max_down_diff = $monitor_host_model
->get_max_state_changed_diff(Monitor_host_Model::STATE_DOWN);

/**
* following code generate sequence of diffs
* for each diff and host will be sent notification once time
*/
$down_diffs = array();

$increase = 3;
$growth = 5;

$i = 0;

$max = 5;

while ($i <= $max_down_diff)
{
$down_diffs[] = $i;

$i += $increase;

if ($i >= $max)
{
$increase = $max;

$max *= $growth;
}
}

for($i=0;$i<count($down_diffs)-1;$i++)
{
/**
* find all down hosts in interval between this diff and next diff
* (exclude hosts about which has been already sent notification
* in this interval)
*/
$down_hosts = $monitor_host_model->get_all_hosts_by_state(
Monitor_host_Model::STATE_DOWN, $down_diffs[$i], $down_diffs[$i+1]);

// for each send e-mail
foreach ($down_hosts as $down_host)
{
$email_queue_model->push(
Settings::get('email_default_email'),
Settings::get('monitoring_email_to'),
__('Monitoring error').': '.__('Host').' '.$down_host->name.' '.__('is unreachable'),
__('Host').' '
.html::anchor(url_lang::base().'devices/show/'.$down_host->device_id, $down_host->name)
.' '.__('is unreachable since').' '.strftime("%c", strtotime($down_host->state_changed_date))
);

$monitor_host_model->update_host_notification_date($down_host->id);
}
}
// maximal value from sequence of diff for which will sent notification
// about hosts which returned from down state
$max_returned_diff = 30;
/**
* following code generate sequence of diffs
* for each diff and host will be sent notification once time
*/
$returned_diffs = array();

$increase = 3;
$growth = 5;

$i = 0;

$max = 5;

while ($i <= $max_returned_diff)
{
$returned_diffs[] = $i;

$i += $increase;

if ($i >= $max)
{
$increase = $max;

$max *= $growth;
}
}
for($i=0;$i<count($returned_diffs)-1;$i++)
{
/**
* find all hosts which returned from down state in interval
* between this diff and next diff (exclude hosts about which
* has been already sent notification in this interval)
*/
$returned_hosts = $monitor_host_model->get_all_hosts_by_state(
Monitor_host_Model::STATE_UP, $returned_diffs[$i], $returned_diffs[$i+1]);

// for each send e-mail
foreach ($returned_hosts as $returned_host)
{
$email_queue_model->push(
Settings::get('email_default_email'),
Settings::get('monitoring_email_to'),
__('Monitoring notice').': '.__('Host').' '.$returned_host->name.' '.__('is again reachable'),
__('Host').' '
.html::anchor(url_lang::base().'devices/show/'.$returned_host->device_id, $returned_host->name)
.' '.__('is again reachable since').' '.strftime("%c", strtotime($returned_host->state_changed_date))
);

$monitor_host_model->update_host_notification_date($returned_host->id);
}
}
$monitor_host_model->transaction_commit();
}
catch (Exception $e)
{
$monitor_host_model->transaction_rollback();
Log::add_exception($e);
}
}

}
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