92 lines
3.9 KiB
PHP
92 lines
3.9 KiB
PHP
<?php
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// $Id$
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/**
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* Implementation of hook_drush_command().
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*/
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function logger_drush_command() {
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$items = array();
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$items['logger create'] = array(
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'callback' => '_logger_create',
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'description' => 'Create a new sensor node entry.',
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'arguments' => array(
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'serial' => 'Sensor node serial number.',
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'version' => 'Software version number.',
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'uid' => 'User ID.',
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),
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);
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$items['logger assign'] = array(
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'callback' => '_logger_assign',
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'description' => 'Assign a sensor node to a user.',
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'arguments' => array(
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'serial' => 'Sensor node serial number.',
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'uid' => 'User ID.',
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),
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);
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return $items;
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}
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/**
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* Drush command callbacks.
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*/
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function _logger_create($serial, $version = 0, $uid = 0) {
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// guard against duplicating entries for the same S/N
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$count = db_result(db_query("SELECT COUNT(device) FROM {logger_devices} WHERE serial = %d", $serial));
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if ($count > 0) {
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drush_set_error('LOGGER_CREATE_SERIAL_DUPLICATE', dt('The S/N: @serial already exists.', array('@serial' => $serial)));
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}
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else {
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// create an entry in the {logger_devices} table
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$device = md5(uniqid(rand(), TRUE));
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$sha = md5(uniqid(rand(), TRUE));
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$created = time();
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$result = db_query("INSERT INTO {logger_devices} (device, serial, uid, sha, created, version) VALUES ('%s', %d, %d, '%s', %d, %d)", $device, $serial, $uid, $sha, $created, $version);
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if (!$result) drush_set_error('LOGGER_CREATE_DEVICE_ENTRY', dt('Error creating a device entry for @device.', array('@device' => $device)));
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// create an entry in the {logger_meters} table
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$meter = md5(uniqid(rand(), TRUE));
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$path = new stdClass();
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$path->root = DRUPAL_ROOT .'/'. drupal_get_path('module', 'logger');
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$path->base = $path->root .'/data/base/';
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$path->night = $path->root .'/data/night/';
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$result = db_query("INSERT INTO {logger_meters} (meter, uid, device, created) VALUES ('%s', %d, '%s', %d)", $meter, $uid, $device, $created);
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if (!$result) drush_set_error('LOGGER_CREATE_METER_ENTRY', dt('Error creating meter entry for @meter.', array('@meter' => $meter)));
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// create the meter base rrd
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if (!file_exists($path->base . $meter .'.rrd')) {
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$command = $path->root .'/rrdtool create '. $path->base . $meter .'.rrd -b 1199487600 -s 60 DS:meter:DERIVE:8640000:-2:2 RRA:AVERAGE:0.5:1:120 RRA:AVERAGE:0.5:15:192 RRA:AVERAGE:0.5:1440:60 RRA:AVERAGE:0.5:10080:520';
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system($command, $return);
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if ($return <> 0) drush_set_error('LOGGER_CREATE_RRD_BASE_ERROR', dt('Error creating the base @meter rrd.', array('@meter' => $meter)));
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}
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// create the meter night rrd
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if (!file_exists($path->night . $meter .'.rrd')) {
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$command = $path->root .'/rrdtool create '. $path->night . $meter .'.rrd -b 1199487600 -s 86400 DS:meter:GAUGE:8640000:-2:2 RRA:AVERAGE:0.5:1:60 RRA:AVERAGE:0.5:7:520';
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system($command, $return);
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if ($return <> 0) drush_set_error('LOGGER_CREATE_RRD_NIGHT_ERROR', dt('Error creating the night @meter rrd.', array('@meter' => $meter)));
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}
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}
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if (!drush_get_error()) drush_log(dt('Successfully created the device/key: @device / @key and meter: @meter entries for S/N: @serial', array('@device' => $device, '@key' => $sha, '@meter' => $meter, '@serial' => $serial)), 'ok');
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}
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function _logger_assign($serial, $uid) {
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// check the existence of S/N
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$device = db_result(db_query("SELECT device FROM {logger_devices} WHERE serial = %d", $serial));
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if ($device == '') {
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drush_set_error('LOGGER_ASSIGN_SERIAL_NON_EXISTENT', dt('The S/N: @serial does not exist.', array('@serial' => $serial)));
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}
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else {
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db_query("UPDATE {logger_devices} SET uid = %d WHERE serial = %d", $uid, $serial);
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db_query("UPDATE {logger_meters} SET uid = %d WHERE device = %d", $uid, $device);
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}
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if (!drush_get_error()) drush_log(dt('Successfully assigned uid: @uid to S/N: @serial', array('@uid' => $uid, '@serial' => $serial)), 'ok');
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}
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