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|
<?php
/*
+-------------------------------------------------------------------------+
| Copyright (C) 2004 Ian Berry |
| |
| This program is free software; you can redistribute it and/or |
| modify it under the terms of the GNU General Public License |
| as published by the Free Software Foundation; either version 2 |
| of the License, or (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
+-------------------------------------------------------------------------+
| cacti: a php-based graphing solution |
+-------------------------------------------------------------------------+
| Most of this code has been designed, written and is maintained by |
| Ian Berry. See about.php for specific developer credit. Any questions |
| or comments regarding this code should be directed to: |
| - iberry@raxnet.net |
+-------------------------------------------------------------------------+
| - raXnet - http://www.raxnet.net/ |
+-------------------------------------------------------------------------+
*/
/* initialize the timespan array */
$timespan = array();
/* set variables for first time use */
initialize_timespan($timespan);
/* if the user does not want to see timespan selectors */
if (read_graph_config_option("timespan_sel") == "") {
set_preset_timespan($timespan);
/* the user does want to see them */
}else {
process_html_variables();
process_user_input($timespan);
}
/* save session variables */
finalize_timespan($timespan);
/* initialize the timespan selector for first use */
function initialize_timespan(&$timespan) {
/* initialize the default timespan if not set */
if ((!isset($_SESSION["sess_current_timespan"])) || (isset($_POST["button_clear_x"]))) {
$_SESSION["sess_current_timespan"] = read_graph_config_option("default_timespan");
$_SESSION["custom"] = 0;
}
/* initialize the date sessions if not set */
if (!isset($_SESSION["sess_current_date1"])) {
set_preset_timespan($timespan);
}
}
/* preformat for timespan selector */
function process_html_variables() {
if (isset($_REQUEST["predefined_timespan"])) {
if (!is_numeric($_REQUEST["predefined_timespan"])) {
if (isset($_SESSION["sess_current_timespan"])) {
if ($_SESSION["custom"]) {
$_REQUEST["predefined_timespan"] = GT_CUSTOM;
$_SESSION["sess_current_timespan"] = GT_CUSTOM;
}else {
$_REQUEST["predefined_timespan"] = $_SESSION["sess_current_timespan"];
}
}else {
$_REQUEST["predefined_timespan"] = read_graph_config_option("default_timespan");
$_SESSION["sess_current_timespan"] = read_graph_config_option("default_timespan");
}
}
} else {
if (isset($_SESSION["sess_current_timespan"])) {
$_REQUEST["predefined_timespan"] = $_SESSION["sess_current_timespan"];
}else {
$_REQUEST["predefined_timespan"] = read_graph_config_option("default_timespan");
$_SESSION["sess_current_timespan"] = read_graph_config_option("default_timespan");
}
}
load_current_session_value("predefined_timespan", "sess_current_timespan", read_graph_config_option("default_timespan"));
}
/* when a span time preselection has been defined update the span time fields */
/* someone hit a button and not a dropdown */
function process_user_input(&$timespan) {
if (isset($_POST["date1"])) {
/* the dates have changed, therefore, I am now custom */
if (($_SESSION["sess_current_date1"] != $_POST["date1"]) || ($_SESSION["sess_current_date2"] != $_POST["date2"])) {
$timespan["current_value_date1"] = $_POST["date1"];
$timespan["begin_now"] =strtotime($timespan["current_value_date1"]);
$timespan["current_value_date2"] = $_POST["date2"];
$timespan["end_now"]=strtotime($timespan["current_value_date2"]);
$_SESSION["sess_current_timespan"] = GT_CUSTOM;
$_SESSION["custom"] = 1;
$_POST["predefined_timespan"] = GT_CUSTOM;
}else {
/* the default button wasn't pushed */
if (!isset($_POST["button_clear_x"])) {
$timespan["current_value_date2"] = $_POST["date1"];
$timespan["current_value_date2"] = $_POST["date2"];
$timespan["begin_now"] = $_SESSION["sess_current_timespan_begin_now"];
$timespan["end_now"] = $_SESSION["sess_current_timespan_end_now"];
/* custom display refresh */
if ($_SESSION["custom"]) {
$_SESSION["sess_current_timespan"] = GT_CUSTOM;
/* refresh the display */
}else {
$_SESSION["custom"] = 0;
}
} else {
/* first time in */
set_preset_timespan($timespan);
}
}
}else {
if ((isset($_GET["predefined_timespan"]) && ($_GET["predefined_timespan"] != GT_CUSTOM)) ||
(!isset($_SESSION["custom"])) ||
(!isset($_GET["predefined_timespan"]) && ($_SESSION["custom"] == 0)) ||
(!isset($_SESSION["sess_current_date1"]))) {
set_preset_timespan($timespan);
}else {
$timespan["current_value_date1"] = $_SESSION["sess_current_date1"];
$timespan["current_value_date2"] = $_SESSION["sess_current_date2"];
$timespan["begin_now"] = $_SESSION["sess_current_timespan_begin_now"];
$timespan["end_now"] = $_SESSION["sess_current_timespan_end_now"];
/* custom display refresh */
if ($_SESSION["custom"]) {
$_SESSION["sess_current_timespan"] = GT_CUSTOM;
}
}
}
}
/* establish graph timespan from either a user select or the default */
function set_preset_timespan(&$timespan) {
$timespan["end_now"] = time();
$end_year = date("Y",$timespan["end_now"]);
$end_month = date("m",$timespan["end_now"]);
$end_day = date("d",$timespan["end_now"]);
$end_hour = date("H",$timespan["end_now"]);
$end_min = date("i",$timespan["end_now"]);
$end_sec = 00;
if ((!isset($_SESSION["sess_current_timespan"])) || (read_graph_config_option("timespan_sel") == "")) {
$_SESSION["sess_current_timespan"] = read_graph_config_option("default_timespan");
}
switch ($_SESSION["sess_current_timespan"]) {
case GT_LAST_HALF_HOUR:
$timespan["begin_now"] = $timespan["end_now"] - 60*30;
break;
case GT_LAST_HOUR:
$timespan["begin_now"] = $timespan["end_now"] - 60*60;
break;
case GT_LAST_2_HOURS:
$timespan["begin_now"] = $timespan["end_now"] - 2*60*60;
break;
case GT_LAST_4_HOURS:
$timespan["begin_now"] = $timespan["end_now"] - 4*60*60;
break;
case GT_LAST_6_HOURS:
$timespan["begin_now"] = $timespan["end_now"] - 6*60*60;
break;
case GT_LAST_12_HOURS:
$timespan["begin_now"] = $timespan["end_now"] - 12*60*60;
break;
case GT_LAST_DAY:
$timespan["begin_now"] = $timespan["end_now"] - 24*60*60;
break;
case GT_LAST_2_DAYS:
$timespan["begin_now"] = $timespan["end_now"] - 2*24*60*60;
break;
case GT_LAST_3_DAYS:
$timespan["begin_now"] = $timespan["end_now"] - 3*24*60*60;
break;
case GT_LAST_4_DAYS:
$timespan["begin_now"] = $timespan["end_now"] - 4*24*60*60;
break;
case GT_LAST_WEEK:
$timespan["begin_now"] = $timespan["end_now"] - 7*24*60*60;
break;
case GT_LAST_2_WEEKS:
$timespan["begin_now"] = $timespan["end_now"] - 2*7*24*60*60;
break;
case GT_LAST_MONTH:
$timespan["begin_now"] = strtotime("-1 month");
break;
case GT_LAST_2_MONTHS:
$timespan["begin_now"] = strtotime("-2 months");
break;
case GT_LAST_3_MONTHS:
$timespan["begin_now"] = strtotime("-3 months");
break;
case GT_LAST_4_MONTHS:
$timespan["begin_now"] = strtotime("-4 months");
break;
case GT_LAST_6_MONTHS:
$timespan["begin_now"] = strtotime("-6 months");
break;
case GT_LAST_YEAR:
$timespan["begin_now"] = strtotime("-1 year");
break;
case GT_LAST_2_YEARS:
$timespan["begin_now"] = strtotime("-2 years");
break;
default:
$timespan["begin_now"] = $timespan["end_now"] - DEFAULT_TIMESPAN;
break;
}
$start_year = date("Y",$timespan["begin_now"]);
$start_month = date("m",$timespan["begin_now"]);
$start_day = date("d",$timespan["begin_now"]);
$start_hour = date("H",$timespan["begin_now"]);
$start_min = date("i",$timespan["begin_now"]);
$start_sec = 00;
$timespan["current_value_date1"] = $start_year . "-" . $start_month . "-" . $start_day . " " . $start_hour . ":" . $start_min;
$timespan["current_value_date2"] = $end_year . "-" . $end_month . "-".$end_day . " ".$end_hour . ":" . $end_min;
$_SESSION["custom"] = 0;
}
function finalize_timespan(&$timespan) {
if (!isset($timespan["current_value_date1"])) {
/* Default end date is now default time span */
$timespan["current_value_date1"] = date("Y", $timespan["begin_now"]) . "-" . date("m", $timespan["begin_now"]) . "-" . date("d", $timespan["begin_now"]) . " " . date("H", $timespan["begin_now"]) . ":".date("i", $timespan["begin_now"]);
}
if (!isset($timespan["current_value_date2"])) {
/* Default end date is now */
$timespan["current_value_date2"] = date("Y", $timespan["end_now"]) . "-" . date("m", $timespan["end_now"]) . "-" . date("d", $timespan["end_now"]) . " " . date("H", $timespan["end_now"]) . ":" . date("i", $timespan["end_now"]);
}
/* correct bad dates on calendar */
if ($timespan["end_now"] < $timespan["begin_now"]) {
set_preset_timespan($timespan);
$_SESSION["sess_current_timespan"] = read_graph_config_option("default_timespan");
$timespan["current_value_date1"] = date("Y", $timespan["begin_now"]) . "-" . date("m", $timespan["begin_now"]) . "-" . date("d", $timespan["begin_now"]) . " " . date("H", $timespan["begin_now"]) . ":".date("i", $timespan["begin_now"]);
$timespan["current_value_date2"] = date("Y", $timespan["end_now"]) . "-" . date("m", $timespan["end_now"]) . "-" . date("d", $timespan["end_now"]) . " " . date("H", $timespan["end_now"]) . ":" . date("i", $timespan["end_now"]);
}
$_SESSION["sess_current_timespan_end_now"] = $timespan["end_now"];
$_SESSION["sess_current_timespan_begin_now"] = $timespan["begin_now"];
$_SESSION["sess_current_date1"] = $timespan["current_value_date1"];
$_SESSION["sess_current_date2"] = $timespan["current_value_date2"];
$timespan_sel_pos = strpos(get_browser_query_string(),"&predefined_timespan");
if ($timespan_sel_pos) {
$_SESSION["urlval"] = substr(get_browser_query_string(),0,$timespan_sel_pos);
}else {
$_SESSION["urlval"] = get_browser_query_string();
}
}
?>
|
