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var nms = {
debug: true,
};
var ports_now;
var ports_5m_ago;
var ports_1h_ago;
var bandwidth = 0;
var sw;
var infra;
// var full=false;
/*
Sets $ports_now and $ports_5m_ago - both variables' structure:
obj(
<host> -> <port> -> <properties>,
<host> -> <port> -> <properties>,
[...]
)
Properties:
ifhcinoctets (counter64)
ifhcoutoctets (counter64)
ifhighbandwidth (???)
time (unix timestamp)
*/
function fetch_switch_data(){
mode = $('#switch').attr('data-mode');
$.ajax({
type: "GET",
url: "/port-state.pl",
dataType: "text",
success: function (data, textStatus, jqXHR) {
var switchdata = JSON.parse(data);
ports_now = switchdata['switches'];
var list = document.getElementById("switch-list");
if (list) {
var v = list.value;
var arry = new Array();
for (x in switchdata) {
arry.push(x);
}
arry.sort();
list.options.length = 0;
for (x in arry) {
list.add(new Option(arry[x]));
}
if (v)
list.value = v;
}
}
});
$.ajax({
type: "GET",
url: "/port-state.pl?time=5m",
dataType: "text",
success: function (data, textStatus, jqXHR) {
var switchdata = JSON.parse(data);
ports_5m_ago = switchdata['switches'];
}
})
// console.log(ports_now);
$.ajax({
type: "GET",
url: "/port-state.pl?time=1h",
dataType: "text",
success: function (data, textStatus, jqXHR) {
var switchdata = JSON.parse(data);
ports_1h_ago = switchdata['switches'];
}
})
}
/*
Get bandwidth average for last hour, in bytes
mode: either "tot_agg" or "edge_ports"
tot_agg gives total aggregation of all ports
edge_ports gives aggregation on all client facing ports on EX2200 switches (not 100% accurate, missing a few clients directly connected on EX3300)
*/
function get_bytes_avg_1h(mode){
var mode = $('#switch').attr('data-mode');
var bw_usage = 0;
for (sw in ports_now) {
for (port in ports_now[sw]["ports"]) {
if (!ports_now[sw]["ports"][port]) {
console.log('Error - should not happen (!ports_now[sw]["ports"][port])');
continue;
}
if (!ports_5m_ago[sw]["ports"][port]) {
console.log('Error - should not happen (!ports_5m_ago[sw]["ports"][port])');
continue;
}
var diff = parseInt(ports_now[sw]["ports"][port]["time"]) - parseInt(ports_1h_ago[sw]["ports"][port]["time"]);
var then = parseInt(ports_1h_ago[sw]["ports"][port]["ifhcinoctets"]);
var now = parseInt(ports_now[sw]["ports"][port]["ifhcinoctets"]);
var diffval = (now - then);
/*
Skips ports with no data (e.g. down)
*/
if (then == 0 || now == 0 || diffval == 0) {
continue;
}
if (mode == 'tot_agg'){
bw_usage += parseInt(diffval/diff);
}else if(mode == 'edge_ports' && /ge-0\/0\/4[4-7]$/.exec(port)){
bw_usage += parseInt(diffval/diff);
}
}
}
return Math.round(bw_usage);
}
function update_bandwidth() {
var mode = $('#switch').attr('data-mode');
var bandwidth_in = parseInt(0);
var bandwidth_kant = parseInt(0);
var counter=0;
var sw;
for (sw in ports_now) {
for (port in ports_now[sw]["ports"]) {
if (!ports_now[sw]["ports"][port]) {
console.log("ops");
continue;
}
if (!ports_5m_ago[sw]["ports"][port]) {
console.log("ops");
continue;
}
var diff = parseInt(ports_now[sw]["ports"][port]["time"]) - parseInt(ports_5m_ago[sw]["ports"][port]["time"]);
var then = parseInt(ports_5m_ago[sw]["ports"][port]["ifhcinoctets"]);
var now = parseInt(ports_now[sw]["ports"][port]["ifhcinoctets"]);
var diffval = (now - then);
if (then == 0 || now == 0 || diffval == 0 || diffval == NaN) {
continue;
}
if (mode == 'tot_agg'){
bandwidth_in += parseInt(diffval/diff) / 1024 ;
}else if(/e\d{1,2}-\d{1,2}/.exec(sw) || /sw\d-/.exec(sw)){
if(/ge-0\/0\/4[4-7]$/.exec(port)){
bandwidth_in += parseInt(diffval/diff) / 1024 ;
}
}
}
}
bandwidth = bandwidth_in;
$('#text-bandwidth').attr('data-used_bw', bandwidth);
}
|
