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|
<?php
/*
+-------------------------------------------------------------------------+
| Copyright (C) 2004-2011 The Cacti Group |
| |
| 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: The Complete RRDTool-based Graphing Solution |
+-------------------------------------------------------------------------+
| This code is designed, written, and maintained by the Cacti Group. See |
| about.php and/or the AUTHORS file for specific developer information. |
+-------------------------------------------------------------------------+
| http://www.cacti.net/ |
+-------------------------------------------------------------------------+
*/
/* ================= input validation ================= */
input_validate_input_number(get_request_var_request("predefined_timespan"));
input_validate_input_number(get_request_var_request("predefined_timeshift"));
/* ==================================================== */
/* clean up date1 string */
if (isset($_REQUEST["date1"])) {
$_REQUEST["date1"] = sanitize_search_string(get_request_var("date1"));
}
/* clean up date2 string */
if (isset($_REQUEST["date2"])) {
$_REQUEST["date2"] = sanitize_search_string(get_request_var("date2"));
}
include_once($config["base_path"] . "/lib/time.php");
/* initialize the timespan array */
$timespan = array();
/* set variables for first time use */
initialize_timespan($timespan);
$timeshift = set_timeshift();
/* if the user does not want to see timespan selectors */
if (read_graph_config_option("timespan_sel") == "") {
set_preset_timespan($timespan);
/* the user does want to see them */
}else {
process_html_variables();
process_user_input($timespan, $timeshift);
}
/* save session variables */
finalize_timespan($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");
$_REQUEST["predefined_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");
$_SESSION["sess_current_timespan"] = read_graph_config_option("default_timespan");
}
}
load_current_session_value("predefined_timespan", "sess_current_timespan", read_graph_config_option("default_timespan"));
# process timeshift
if (isset($_REQUEST["predefined_timeshift"])) {
if (!is_numeric($_REQUEST["predefined_timeshift"])) {
if (isset($_SESSION["sess_current_timeshift"])) {
$_REQUEST["predefined_timeshift"] = $_SESSION["sess_current_timeshift"];
}else {
$_REQUEST["predefined_timeshift"] = read_graph_config_option("default_timeshift");
$_SESSION["sess_current_timeshift"] = read_graph_config_option("default_timeshift");
}
}
} else {
if (isset($_SESSION["sess_current_timeshift"])) {
$_REQUEST["predefined_timeshift"] = $_SESSION["sess_current_timeshift"];
}else {
$_REQUEST["predefined_timeshift"] = read_graph_config_option("default_timeshift");
$_SESSION["sess_current_timeshift"] = read_graph_config_option("default_timeshift");
}
}
load_current_session_value("predefined_timeshift", "sess_current_timeshift", read_graph_config_option("default_timeshift"));
}
/* when a span time preselection has been defined update the span time fields */
/* someone hit a button and not a dropdown */
function process_user_input(&$timespan, $timeshift) {
if (isset($_POST["date1"])) {
/* the dates have changed, therefore, I am now custom */
if (($_SESSION["sess_current_date1"] != $_POST["date1"]) || ($_SESSION["sess_current_date2"] != $_POST["date2"])) {
$timespan["current_value_date1"] = sanitize_search_string($_POST["date1"]);
$timespan["begin_now"] =strtotime($timespan["current_value_date1"]);
$timespan["current_value_date2"] = sanitize_search_string($_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"])) {
$timespan["current_value_date1"] = sanitize_search_string($_POST["date1"]);
$timespan["current_value_date2"] = sanitize_search_string($_POST["date2"]);
$timespan["begin_now"] = $_SESSION["sess_current_timespan_begin_now"];
$timespan["end_now"] = $_SESSION["sess_current_timespan_end_now"];
/* time shifter: shift left */
if (isset($_POST["move_left_x"])) {
shift_time($timespan, "-", $timeshift);
}
/* time shifter: shift right */
if (isset($_POST["move_right_x"])) {
shift_time($timespan, "+", $timeshift);
}
/* custom display refresh */
if (isset($_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) {
# no current timespan: get default timespan
if ((!isset($_SESSION["sess_current_timespan"])) || (read_graph_config_option("timespan_sel") == "")) {
$_SESSION["sess_current_timespan"] = read_graph_config_option("default_timespan");
}
# get config option for first-day-of-the-week
$first_weekdayid = read_graph_config_option("first_weekdayid");
# get start/end time-since-epoch for actual time (now()) and given current-session-timespan
get_timespan( $timespan, time(),$_SESSION["sess_current_timespan"] , $first_weekdayid);
$_SESSION["custom"] = 0;
}
function finalize_timespan(&$timespan) {
if (!isset($timespan["current_value_date1"])) {
/* Default end date is now default time span */
$timespan["current_value_date1"] = date("Y-m-d H:i", $timespan["begin_now"]);
}
if (!isset($timespan["current_value_date2"])) {
/* Default end date is now */
$timespan["current_value_date2"] = date("Y-m-d H: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-m-d H:i", $timespan["begin_now"]);
$timespan["current_value_date2"] = date("Y-m-d H:i", $timespan["end_now"]);
}
/* if moved to future although not allow by settings, stop at current time */
if ( ($timespan["end_now"] > time()) && (read_graph_config_option("allow_graph_dates_in_future") == "") ) {
$timespan["end_now"] = time();
# convert end time to human readable format
$timespan["current_value_date2"] = date("Y-m-d H: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();
}
}
/* establish graph timeshift from either a user select or the default */
function set_timeshift() {
global $config, $graph_timeshifts;
# no current timeshift: get default timeshift
if ((!isset($_SESSION["sess_current_timeshift"])) ||
(read_graph_config_option("timespan_sel") == "") ||
(isset($_POST["button_clear_x"]))
) {
$_SESSION["sess_current_timeshift"] = read_graph_config_option("default_timeshift");
$_REQUEST["predefined_timeshift"] = read_graph_config_option("default_timeshift");
$_SESSION["custom"] = 0;
}
return $timeshift = $graph_timeshifts[$_SESSION["sess_current_timeshift"]];
}
?>
|