visualsubnetcalc/main.js
2023-05-17 00:09:05 -04:00

127 lines
4.6 KiB
JavaScript

let subnetMap = {};
let maxNetSize = 0;
let infoColumnCount = 5
$('#btn_go').on('click', function() {
//subnetMap[$('#network').val()] = {
// 'netsize': parseInt($('#netsize').val())
//}
maxNetSize = parseInt($('#netsize').val())
subnetMap = {
'10.0.0.0/16': {
'10.0.0.0/17': {},
'10.0.128.0/17': {
'10.0.128.0/18': {
'10.0.128.0/19': {},
'10.0.160.0/19': {
'10.0.160.0/20': {},
'10.0.176.0/20': {
'10.0.176.0/21': {
'10.0.176.0/22': {
'10.0.176.0/23': {},
'10.0.178.0/23': {}
},
'10.0.180.0/22': {}
},
'10.0.184.0/21': {}
}
}
},
'10.0.192.0/18': {
'10.0.192.0/19': {},
'10.0.224.0/19': {
'10.0.224.0/20': {},
'10.0.240.0/20': {
'10.0.240.0/21': {},
'10.0.248.0/21': {
'10.0.248.0/22': {},
'10.0.252.0/22': {
'10.0.252.0/23': {},
'10.0.254.0/23': {
'10.0.254.0/24': {},
'10.0.255.0/24': {}
}
}
}
}
}
}
}
}
}
renderTable();
})
$('#calcbody').on('click', 'td.split', function(event) {
console.log(event)
})
function renderTable() {
// TODO: Validation Code
$('#calcbody').empty();
let maxDepth = get_dict_max_depth(subnetMap, 0)
addRowTree(subnetMap, 0, maxDepth)
}
function addRowTree(subnetTree, depth, maxDepth) {
for (let mapKey in subnetTree) {
if (Object.keys(subnetTree[mapKey]).length > 0) {
addRowTree(subnetTree[mapKey], depth + 1, maxDepth)
} else {
let subnet_split = mapKey.split('/')
addRow(subnet_split[0], subnet_split[1], (infoColumnCount + maxDepth - depth), 0)
}
}
}
function addRow(network, netSize, colspan, rowspan) {
// TODO: do some checking here for smaller networks like /32, probably some edge cases to watch for.
let addressFirst = ip2int(network)
let addressLast = subnet_last_address(addressFirst, netSize)
// Will need to adjust this for AWS mode
let usableFirst = addressFirst + 1
let usableLast = addressLast - 1
let hostCount = 1 + usableLast - usableFirst
let newRow =
' <tr id="row_' + network.replace('.', '-') + '_' + netSize + '">\n' +
' <td class="row_address">' + network + '/' + netSize + '</td>\n' +
' <td class="row_range">' + int2ip(addressFirst) + ' - ' + int2ip(addressLast) + '</td>\n' +
' <td class="row_usable">' + int2ip(usableFirst) + ' - ' + int2ip(usableLast) + '</td>\n' +
' <td class="row_hosts">' + hostCount + '</td>\n' +
' <td class="note"><label><input type="text" class="form-control shadow-none p-0"></label></td>\n' +
' <td rowspan="1" colspan="' + colspan + '" class="split rotate"><span>/' + netSize + '</span></td>\n'
if (netSize < maxNetSize) {
newRow += ' <td rowspan="14" colspan="1" class="join rotate"><span>/' + (netSize + 1) + '</span></td>\n'
}
newRow += ' </tr>';
$('#calcbody').append(newRow)
console.log(network)
console.log(netSize)
}
// Helper Functions
function ip2int(ip) {
return ip.split('.').reduce(function(ipInt, octet) { return (ipInt<<8) + parseInt(octet, 10)}, 0) >>> 0;
}
function int2ip (ipInt) {
return ( (ipInt>>>24) +'.' + (ipInt>>16 & 255) +'.' + (ipInt>>8 & 255) +'.' + (ipInt & 255) );
}
function subnet_last_address(subnet, netSize) {
return subnet + subnet_addresses(netSize) - 1;
}
function subnet_addresses(netSize) {
return 2**(32-netSize);
}
function get_dict_max_depth(dict, curDepth) {
let maxDepth = curDepth
for (let mapKey in dict) {
let newDepth = get_dict_max_depth(dict[mapKey], curDepth + 1)
if (newDepth > maxDepth) { maxDepth = newDepth }
}
return maxDepth
}