Browse code
remove old versions
Gandolf authored on 10/03/2020 22:32:22
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-<html> |
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-<!-- Courtsey ruler |
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-12345678901234567890123456789012345678901234567890123456789012345678901234567890 |
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-<head> |
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-<style> |
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-p {
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- font: 14px ariel, sans serif; |
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-} |
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-#errorMsg {
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- font:bold 18px arial,sans-serif; |
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- color:red; |
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- text-align:center; |
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-} |
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-.chartContainer {
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- padding: 2px; |
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-} |
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-img.chart {
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- width:100%; |
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-} |
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-</style> |
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-</head> |
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-<body> |
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- |
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-<?php |
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-/* |
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- Script: arednsig.php |
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- |
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- Description: This scripts generates on the server charts showing |
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- signal data spanning the period supplied by the user. The script |
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- does the following: |
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- - converts user supplied dates to epoch time |
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- - gets the times of the first and last data point in the round |
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- robin database (RRD) |
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- - from above validates user supplied begin and end dates |
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- - creates charts of the specified period |
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- |
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- Copyright 2020 Jeff Owrey |
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- This program is free software: you can redistribute it and/or modify |
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- it under the terms of the GNU General Public License as published by |
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- the Free Software Foundation, either version 3 of the License, or |
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- (at your option) any later version. |
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- |
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- This program is distributed in the hope that it will be useful, |
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- but WITHOUT ANY WARRANTY; without even the implied warranty of |
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- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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- GNU General Public License for more details. |
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- |
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- You should have received a copy of the GNU General Public License |
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- along with this program. If not, see http://www.gnu.org/license. |
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- |
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- Revision History |
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- * v20 released 18 Jan 2020 by J L Owrey; first release |
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-*/ |
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- |
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-# Define global constants |
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- |
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-# round robin database file |
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-define("_RRD_FILE", str_replace("public_html/arednsig/arednsig.php",
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- "database/arednsigData.rrd", |
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- $_SERVER["SCRIPT_FILENAME"])); |
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-# charts html directory |
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-define("_CHART_DIRECTORY", str_replace("arednsig.php",
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- "dynamic/", |
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- $_SERVER["SCRIPT_FILENAME"])); |
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-# standard chart width in pixels |
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-define("_CHART_WIDTH", 600);
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-# standard chart height in pixels |
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-define("_CHART_HEIGHT", 150);
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-# debug mode |
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-define("_DEBUG", false);
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- |
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-# Set error handling modes. |
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-error_reporting(E_ALL); |
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- |
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-# Get user supplied chart begin and end dates. |
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-$beginDate = $_POST["beginDate"]; |
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-$endDate = $_POST["endDate"]; |
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- |
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-# Convert the user supplied dates to epoch time stamps. |
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-$beginDateEp = strtotime($beginDate); |
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-$endDateEp = strtotime($endDate); |
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- |
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-# Get the time stamp of the earliest data point in the RRD file. |
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-$cmd = sprintf("rrdtool first %s --rraindex 1", _RRD_FILE);
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