107 lines
5.2 KiB
PHP
107 lines
5.2 KiB
PHP
<?php
|
|
|
|
//
|
|
// xmlrpc.inc : data and management plane xmlrpc methods for logging metering data
|
|
// aplha version API
|
|
//
|
|
// Copyright (c) 2008-2009 jokamajo.org
|
|
//
|
|
// This program is free software; you can redistribute it and/or
|
|
// modify it under the terms of the GNU General Public License
|
|
// as published by the Free Software Foundation; either version 2
|
|
// of the License, or (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with this program; if not, write to the Free Software
|
|
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
//
|
|
// $Id$
|
|
//
|
|
|
|
/**
|
|
* Implementation of hook_xmlrpc().
|
|
* Mapping external XML-RPC methods to callback functions.
|
|
* API versioning; logger.flukso.net/xmlrpc.php maps to xmlrpc.inc
|
|
*/
|
|
function logger_xmlrpc() {
|
|
return array(
|
|
array(
|
|
'logger.heartbeat', // External method name.
|
|
'_logger_heartbeat', // Drupal callback function to run.
|
|
array('int', 'string', 'int', 'int', 'int'), // Return value's type, then any parameter types (upgrade, device, version, resets, uptime)
|
|
'Send a heartbeat to the logger.' // Description.
|
|
),
|
|
array(
|
|
'logger.measurementAdd', // External method name.
|
|
'_logger_measurement_add', // Drupal callback function to run.
|
|
array('string', 'array'), // Return value's type, then any parameter types (return, measurements)
|
|
'Submit measurements to the logger.' // Description.
|
|
),
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Callback functions registered in the logger_xmlrpc section
|
|
*/
|
|
function _logger_heartbeat($device, $version, $resets, $uptime) {
|
|
$dev = db_fetch_object(db_query("SELECT upgrade, resets FROM {logger_devices} WHERE device = '%s'", $device));
|
|
$dev->resets += $resets;
|
|
db_query("UPDATE {logger_devices} SET access = %d, version = %d, upgrade = %d, resets = %d, uptime = %d WHERE device = '%s'", time(), $version, 0, $dev->resets, $uptime, $device);
|
|
return $dev->upgrade;
|
|
}
|
|
|
|
function _logger_measurement_add($logs) {
|
|
$info = 'added 5min interval measurements to the log';
|
|
$path = new stdClass();
|
|
$path->root = XMLRPC_PATH . '/' . XMLRPC_MODULE; // need to hardcode drupal_get_path('module', 'logger');
|
|
$path->base = $path->root .'/data/base/';
|
|
$path->night = $path->root .'/data/night/';
|
|
foreach ($logs as $meter => $measurements) {
|
|
//load the normalisation factor, relative to 1pulse = 1Wh
|
|
$meterdata = db_fetch_object(db_query("SELECT uid, night, factor FROM {logger_meters} WHERE meter = '%s'", $meter));
|
|
if ($meterdata->uid < 5) { // only alpha users are allowed to call this API
|
|
$command = $path->root .'/rrdtool update '. $path->base . $meter .'.rrd ';
|
|
ksort($measurements); // sort the key-value pairs in the associative array by key, i.e. the timestamp
|
|
foreach ($measurements as $timestamp => $value) {
|
|
if (is_numeric($timestamp) and is_numeric($value)) {
|
|
$command .= $timestamp .':'. $value*$meterdata->factor .' ';
|
|
}
|
|
else {
|
|
watchdog_xmlrpc('logger.measurementAdd', 'corrupted input data for %meter : %timestamp : %value', array('%meter' => $meter, '%timestamp' => $timestamp, '%value' => $value), WATCHDOG_ERROR);
|
|
}
|
|
}
|
|
system($command, $return);
|
|
if ($return == 0) {
|
|
// update the night rrd every day at 6AM UTC
|
|
if (time() > $meterdata->night) {
|
|
$timestamp = floor(time()/86400)*86400;
|
|
$start = $timestamp + 3600;
|
|
$end = $start + 10800; //3h time interval
|
|
$command = $path->root ."/rrdtool fetch ". $path->base . $meter .".rrd AVERAGE -r 900 -s ". $start ." -e ". $end ." | tail -n 12 | awk -F': ' '{SUM += $2} END {print SUM/12}'";
|
|
$night = (float)shell_exec($command); //test shell_exec iso system
|
|
$command = $path->root .'/rrdtool update '. $path->night . $meter .'.rrd '. $timestamp .':'. $night;
|
|
system($command, $return);
|
|
if ($return == 0) {
|
|
watchdog_xmlrpc('logger.measurementAdd', 'successful update for night rrd: %command', array('%command' => $command), WATCHDOG_NOTICE); //debugging
|
|
}
|
|
else {
|
|
watchdog_xmlrpc('logger.measurementAdd', 'error updating night rrd: %command', array('%command' => $command), WATCHDOG_ERROR); //debugging
|
|
}
|
|
$meterdata->night = $timestamp + 104400; //add an offset of 29h, i.e. 5AM UTC next day
|
|
}
|
|
// {logger_meters} is updated with the true metervalue $value, NOT $value*$meterdata->factor since we're not normalising this entry!
|
|
db_query("UPDATE {logger_meters} SET access = %d, night = %d, value = %d WHERE meter = '%s'", time(), $meterdata->night, $value, $meter);
|
|
}
|
|
else {
|
|
watchdog_xmlrpc('logger.measurementAdd', 'shell command execution failed: %return %command', array('%command' => $command, '%return' => $return), WATCHDOG_ERROR);
|
|
}
|
|
}
|
|
}
|
|
return $command; //using $command for testing purposes, replace by $info afterwards
|
|
}
|