comparison: www/getco2pressurelog.php
www/getco2pressurelog.php
- changeset 507
- 17f244137a9b
- child 600
- c136dd22f662
equal
deleted
inserted
replaced
| 506:8ab0e87d579e | 507:17f244137a9b |
|---|---|
| 1 <?php | |
| 2 | |
| 3 require_once('config.php'); | |
| 4 | |
| 5 if (isset($_GET["code"])) | |
| 6 $code = $_GET["code"] . ' ' . $_GET["name"]; | |
| 7 else | |
| 8 $code = "TB0015 Winterbier-2"; | |
| 9 | |
| 10 $filename = 'log/co2pressure/' . $code . '.log'; | |
| 11 /* | |
| 12 * From Stackoverflow, the fastest way to count the lines in a file. | |
| 13 */ | |
| 14 $file = new \SplFileObject($filename, 'r'); | |
| 15 $file->seek(PHP_INT_MAX); | |
| 16 // $file->key() = lines in the file. | |
| 17 | |
| 18 define ('MAX_INTERVALS', 10); | |
| 19 $GRAPH_INTERVAL = array ( 0, 1, 5, 15, 30, 60, 120, 240, 480, 720 ); | |
| 20 $GRAPH_DATALINES = array ( 0, 800, 3200, 12000, 24000, 48000, 96000, 192000, 384000, 768000 ); | |
| 21 | |
| 22 | |
| 23 for ($graphstep = 1; $graphstep <= MAX_INTERVALS; $graphstep++) { | |
| 24 if ($file->key() < $GRAPH_DATALINES[$graphstep]) | |
| 25 break; | |
| 26 } | |
| 27 if ($graphstep > MAX_INTERVALS) | |
| 28 $graphstep = MAX_INTERVALS; | |
| 29 | |
| 30 //echo $code . '.log lines=' . $file->key() . ' interval=' . $GRAPH_INTERVAL[$graphstep] . ' graphstep=' . $graphstep . PHP_EOL; | |
| 31 | |
| 32 /* | |
| 33 * 2014-11-15 18:39:12,TEMPERATURE,PRESSURE,UUID | |
| 34 * | | | | | |
| 35 * datetime + | | | | |
| 36 * temperature ------------+ | | | |
| 37 * pressure --------------------------+ | | |
| 38 * unit uuid --------------------------------+ | |
| 39 */ | |
| 40 | |
| 41 | |
| 42 $handle = @fopen($filename, "r"); | |
| 43 if ($handle) { | |
| 44 $lines = 0; | |
| 45 while (($buffer = fgets($handle, 4096)) !== false) { | |
| 46 | |
| 47 $buffer = preg_replace( "/\r|\n/", "", $buffer); | |
| 48 $row = explode(",", $buffer); | |
| 49 | |
| 50 $hr = intval(substr($buffer, 11, 2)); | |
| 51 if ((($graphstep == 1)) || | |
| 52 (($graphstep == 2) && ((substr($buffer, 15, 1) == '0') || (substr($buffer, 15, 1) == '5'))) || | |
| 53 (($graphstep == 3) && ((substr($buffer, 14, 2) == '00') || (substr($buffer, 14, 2) == '15') || | |
| 54 (substr($buffer, 14, 2) == '30') || (substr($buffer, 14, 2) == '45'))) || | |
| 55 (($graphstep == 4) && ((substr($buffer, 14, 2) == '00') || (substr($buffer, 14, 2) == '30'))) || | |
| 56 (($graphstep == 5) && (substr($buffer, 14, 2) == '00')) || | |
| 57 (($graphstep == 6) && (substr($buffer, 14, 2) == '00') && (($hr % 2) == 0)) || | |
| 58 (($graphstep == 7) && (substr($buffer, 14, 2) == '00') && (($hr % 4) == 0)) || | |
| 59 (($graphstep == 8) && (substr($buffer, 14, 2) == '00') && (($hr % 8) == 0)) || | |
| 60 (($graphstep == 9) && (substr($buffer, 14, 2) == '00') && (($hr % 12) == 0))) { | |
| 61 // echo $hr . ' ' . $row[1] . ' ' . $buffer; | |
| 62 $lines++; | |
| 63 | |
| 64 // $heat_used = $cool_used = 0; | |
| 65 // if ($row[10] && ($row[10] != "NA") && ($heater_l > 0)) { | |
| 66 // $heat_used = round((intval($row[10]) - $heater_l) * 100 / ($GRAPH_INTERVAL[$graphstep] * 60)); | |
| 67 // } | |
| 68 // if ($row[12] && ($row[12] != "NA") && ($cooler_l > 0)) { | |
| 69 // $cool_used = round((intval($row[12]) - $cooler_l) * 100 / ($GRAPH_INTERVAL[$graphstep] * 60)); | |
| 70 // } | |
| 71 | |
| 72 | |
| 73 // echo $GRAPH_INTERVAL[$graphstep] . ' ' . $heat_used . ' ' . $cool_used . PHP_EOL; | |
| 74 | |
| 75 // if (($heat_used <= 100) && ($cool_used <= 100)) { | |
| 76 $logs[] = array( | |
| 77 'date' => $row[0], | |
| 78 'temperature' => $row[1], | |
| 79 'pressure' => $row[2] | |
| 80 ); | |
| 81 // } | |
| 82 | |
| 83 // if ($row[10] && ($row[10] != "NA")) | |
| 84 // $heater_l = intval($row[10]); | |
| 85 // if ($row[12] && ($row[12] != "NA")) | |
| 86 // $cooler_l = intval($row[12]); | |
| 87 } | |
| 88 | |
| 89 } | |
| 90 if (!feof($handle)) { | |
| 91 echo "Error: unexpected fgets() fail\n"; | |
| 92 } | |
| 93 fclose($handle); | |
| 94 } | |
| 95 header("Content-type: application/json"); | |
| 96 echo json_encode($logs); | |
| 97 //echo $lines . ' lines' . PHP_EOL; |
