Browse code
minor revision
Gandolf authored on 07/06/2021 21:30:56
Showing 1 changed files
| 1 | 1 |
new file mode 100644 |
| ... | ... |
@@ -0,0 +1,204 @@ |
| 1 |
+<html> |
|
| 2 |
+<!-- Courtsey ruler |
|
| 3 |
+12345678901234567890123456789012345678901234567890123456789012345678901234567890 |
|
| 4 |
+--> |
|
| 5 |
+<head> |
|
| 6 |
+<style> |
|
| 7 |
+p {
|
|
| 8 |
+ font: 14px ariel, sans serif; |
|
| 9 |
+} |
|
| 10 |
+#errorMsg {
|
|
| 11 |
+ font:bold 18px arial,sans-serif; |
|
| 12 |
+ color:red; |
|
| 13 |
+ text-align:center; |
|
| 14 |
+} |
|
| 15 |
+.chartContainer {
|
|
| 16 |
+ padding: 2px; |
|
| 17 |
+} |
|
| 18 |
+img.chart {
|
|
| 19 |
+ width:100%; |
|
| 20 |
+} |
|
| 21 |
+</style> |
|
| 22 |
+</head> |
|
| 23 |
+<body> |
|
| 24 |
+ |
|
| 25 |
+<?php |
|
| 26 |
+/* |
|
| 27 |
+ Script: radmon.php |
|
| 28 |
+ |
|
| 29 |
+ Description: This scripts generates on the server charts showing |
|
| 30 |
+ radmon data spanning the period supplied by the user. The script |
|
| 31 |
+ does the following: |
|
| 32 |
+ - converts user supplied dates to epoch time |
|
| 33 |
+ - gets the times of the first and last data point in the round |
|
| 34 |
+ robin database (RRD) |
|
| 35 |
+ - from above validates user supplied begin and end dates |
|
| 36 |
+ - creates charts of the specified period |
|
| 37 |
+ |
|
| 38 |
+ Copyright 2020 Jeff Owrey |
|
| 39 |
+ This program is free software: you can redistribute it and/or modify |
|
| 40 |
+ it under the terms of the GNU General Public License as published by |
|
| 41 |
+ the Free Software Foundation, either version 3 of the License, or |
|
| 42 |
+ (at your option) any later version. |
|
| 43 |
+ |
|
| 44 |
+ This program is distributed in the hope that it will be useful, |
|
| 45 |
+ but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
| 46 |
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
| 47 |
+ GNU General Public License for more details. |
|
| 48 |
+ |
|
| 49 |
+ You should have received a copy of the GNU General Public License |
|
| 50 |
+ along with this program. If not, see http://www.gnu.org/license. |
|
| 51 |
+ |
|
| 52 |
+ Revision History |
|
| 53 |
+ * v20 released 18 Jan 2020 by J L Owrey; first release |
|
| 54 |
+*/ |
|
| 55 |
+ |
|
| 56 |
+# Define global constants |
|
| 57 |
+ |
|
| 58 |
+# round robin database file |
|
| 59 |
+define("_RRD_FILE", str_replace("public_html/radmon/radmon.php",
|
|
| 60 |
+ "database/radmonData.rrd", |
|
| 61 |
+ $_SERVER["SCRIPT_FILENAME"])); |
|
| 62 |
+# charts html directory |
|
| 63 |
+define("_CHART_DIRECTORY", str_replace("radmon.php",
|
|
| 64 |
+ "dynamic/", |
|
| 65 |
+ $_SERVER["SCRIPT_FILENAME"])); |
|
| 66 |
+# standard chart width in pixels |
|
| 67 |
+define("_CHART_WIDTH", 600);
|
|
| 68 |
+# standard chart height in pixels |
|
| 69 |
+define("_CHART_HEIGHT", 150);
|
|
| 70 |
+# debug mode |
|
| 71 |
+define("_DEBUG", false);
|
|
| 72 |
+ |
|
| 73 |
+# Set error handling modes. |
|
| 74 |
+error_reporting(E_ALL); |
|
| 75 |
+ |
|
| 76 |
+# Get user supplied chart begin and end dates. |
|
| 77 |
+$beginDate = $_POST["beginDate"]; |
|
| 78 |
+$endDate = $_POST["endDate"]; |
|
| 79 |
+ |
|
| 80 |
+# Convert the user supplied dates to epoch time stamps. |
|
| 81 |
+$beginDateEp = strtotime($beginDate); |
|
| 82 |
+$endDateEp = strtotime($endDate); |
|
| 83 |
+ |
|
| 84 |
+# Get the time stamp of the earliest data point in the RRD file. |
|
| 85 |
+$cmd = sprintf("rrdtool first %s --rraindex 1", _RRD_FILE);
|
|
| 86 |
+$firstDP = shell_exec($cmd); |
|
| 87 |
+ |
|
| 88 |
+# Get the time stamp of the latest data point in the RRD file. |
|
| 89 |
+$cmd = sprintf("rrdtool last %s", _RRD_FILE);
|
|
| 90 |
+$lastDP = shell_exec($cmd); |
|