95 wiersze
3.0 KiB
PHP
95 wiersze
3.0 KiB
PHP
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<?php
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/*
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* Functions for the CUSF landing predictor software
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* Jon Sowman 2010
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*/
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function createModel($post_array) {
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$pred_model = array();
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// first, populate the prediction model
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$pred_model['hour'] = $post_array['hour'];
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$pred_model['min'] = $post_array['min'];
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$pred_model['sec'] = $post_array['sec'];
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$pred_model['month'] = $post_array['month'];
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$pred_model['day'] = $post_array['day'];
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$pred_model['year'] = $post_array['year'];
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$pred_model['lat'] = $post_array['lat'];
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$pred_model['lon'] = $post_array['lon'];
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$pred_model['asc'] = (float)$post_array['ascent'];
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$pred_model['alt'] = $post_array['initial_alt'];
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$pred_model['des'] = $post_array['drag'];
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$pred_model['burst'] = $post_array['burst'];
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$pred_model['float'] = $post_array['float_time'];
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$pred_model['wind_error'] = 0;
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$pred_model['software'] = $post_array['software'];
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return $pred_model;
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}
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function makesha1hash($pred_model) {
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$sha1str;
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foreach ( $pred_model as $idx => $value ){
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$sha1str .= $idx . "=" . $value . ",";
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}
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$uuid = sha1($sha1str);
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return $uuid;
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}
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function verifyModel($pred_model, $software_available) {
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if(!isset($pred_model)) return false;
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foreach($pred_model as $idx => $value) {
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if ($idx == "software") {
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if (!in_array($value, $software_available)) return false;
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} else {
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if (!is_numeric($value)) {
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return false;
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}
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}
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}
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return true;
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}
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function runPred($pred_model) {
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// make in INI file
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makePredDir($pred_model);
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makeINI($pred_model);
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// if we're using --hd, then append it to the exec string
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if ( $pred_model['software'] == "gfs_hd" ) $use_hd ="--hd ";
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// use `at` to automatically background the task
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$ph = popen("at now", "w");
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fwrite($ph, "cd /var/www/hab/predict/ && ./predict.py -v --latdelta=3 --londelta=3 --lat=52 --lon=0 " . $use_hd . $pred_model['uuid']);
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fclose($ph);
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}
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function makePredDir($pred_model) {
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shell_exec("mkdir preds/" . $pred_model['uuid']); //make sure we use the uuid from model
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}
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function makeINI($pred_model) { // makes an ini file
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$fh = fopen("preds/" . $pred_model['uuid'] . "/scenario.ini", "a"); //append
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$w_string = "[launch-site]\nlatitude = " . $pred_model['lat'] . "\naltitude = " . $pred_model['alt'] . "\n";
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$w_string .= "longitude = " . $pred_model['lon'] . "\n[atmosphere]\nwind-error = ";
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$w_string .= $pred_model['wind_error'] . "\n[altitude-model]\nascent-rate = " . $pred_model['asc'] . "\n";
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$w_string .= "descent-rate = " . $pred_model['des'] . "\nburst-altitude = ";
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$w_string .= $pred_model['burst'] . "\n[launch-time]\nhour = " . $pred_model['hour'] . "\n";
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$w_string .= "month = " . $pred_model['month'] . "\nsecond = " . $pred_model['sec'] . "\n";
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$w_string .= "year = " . $pred_model['year'] . "\nday = " . $pred_model['day'] . "\nminute = ";
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$w_string .= $pred_model['min'] . "\n";
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fwrite($fh, $w_string);
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fclose($fh);
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}
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?>
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