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base/net/web-net-script.js@133:98c6bf14bc37, 2020-03-11 (annotated)

Committer:
andrewboyson
Date:
Wed Mar 11 16:00:21 2020 +0000
Revision:
133:98c6bf14bc37
Parent:
132:5b2df69a4f17
Child:
143:cc2e148cb96a
Addewd more fields to TCP connections

Who changed what in which revision?

UserRevisionLine numberNew contents of line
andrewboyson 132:5b2df69a4f17 1 //Net script
andrewboyson 132:5b2df69a4f17 2 'use strict';
andrewboyson 132:5b2df69a4f17 3
andrewboyson 132:5b2df69a4f17 4 let mac = '';
andrewboyson 132:5b2df69a4f17 5 let tcp = '';
andrewboyson 132:5b2df69a4f17 6
andrewboyson 132:5b2df69a4f17 7 function parseTcpLine(line)
andrewboyson 132:5b2df69a4f17 8 {
andrewboyson 132:5b2df69a4f17 9 if (line.length == 0) return;
andrewboyson 132:5b2df69a4f17 10 let fields = line.split('\t');
andrewboyson 133:98c6bf14bc37 11 let state = parseInt(fields[0], 16);
andrewboyson 133:98c6bf14bc37 12 let idleMs = parseInt(fields[1], 16);
andrewboyson 133:98c6bf14bc37 13 let ipType = parseInt(fields[2], 16);
andrewboyson 133:98c6bf14bc37 14 let arIndex = parseInt(fields[3], 16);
andrewboyson 133:98c6bf14bc37 15 let locPort = parseInt(fields[4], 16);
andrewboyson 133:98c6bf14bc37 16 let remPort = parseInt(fields[5], 16);
andrewboyson 133:98c6bf14bc37 17 let bytesRcvd = parseInt(fields[6], 16);
andrewboyson 133:98c6bf14bc37 18 let bytesSent = parseInt(fields[7], 16);
andrewboyson 132:5b2df69a4f17 19
andrewboyson 133:98c6bf14bc37 20 switch (state)
andrewboyson 133:98c6bf14bc37 21 {
andrewboyson 133:98c6bf14bc37 22 case 1: tcp += " Syn"; break;
andrewboyson 133:98c6bf14bc37 23 case 2: tcp += " Est"; break;
andrewboyson 133:98c6bf14bc37 24 case 3: tcp += " Wait"; break;
andrewboyson 133:98c6bf14bc37 25 default: tcp += state.toString().padStart(5, ' '); break;
andrewboyson 133:98c6bf14bc37 26 }
andrewboyson 132:5b2df69a4f17 27
andrewboyson 133:98c6bf14bc37 28 let idleMinutes = Math.floor(idleMs / 1000 / 60);
andrewboyson 133:98c6bf14bc37 29 tcp += idleMinutes.toString().padStart(4, ' ');
andrewboyson 133:98c6bf14bc37 30 tcp += " ";
andrewboyson 132:5b2df69a4f17 31
andrewboyson 133:98c6bf14bc37 32 if (ipType == 0x0800) tcp += "IPv4";
andrewboyson 132:5b2df69a4f17 33 else if (ipType == 0x86DD) tcp += "IPv6";
andrewboyson 132:5b2df69a4f17 34 else tcp += fields[1];
andrewboyson 132:5b2df69a4f17 35
andrewboyson 133:98c6bf14bc37 36 tcp += arIndex.toString().padStart(4, ' ');
andrewboyson 133:98c6bf14bc37 37 tcp += locPort.toString().padStart(9, ' ');
andrewboyson 133:98c6bf14bc37 38 tcp += remPort.toString().padStart(9, ' ');
andrewboyson 133:98c6bf14bc37 39 tcp += bytesRcvd.toString().padStart(6, ' ');
andrewboyson 133:98c6bf14bc37 40 tcp += bytesSent.toString().padStart(6, ' ');
andrewboyson 132:5b2df69a4f17 41 tcp += '\r\n';
andrewboyson 132:5b2df69a4f17 42 }
andrewboyson 132:5b2df69a4f17 43 function parseTcpLines(text)
andrewboyson 132:5b2df69a4f17 44 {
andrewboyson 133:98c6bf14bc37 45 tcp = "State Idle Protocol ARI Port-Loc Port-Rem Rcvd Sent\n";
andrewboyson 132:5b2df69a4f17 46 text.split('\n').forEach(parseTcpLine);
andrewboyson 132:5b2df69a4f17 47 }
andrewboyson 132:5b2df69a4f17 48 function parseGenLines(text)
andrewboyson 132:5b2df69a4f17 49 {
andrewboyson 132:5b2df69a4f17 50 let lines = text.split('\n');
andrewboyson 132:5b2df69a4f17 51 mac = Net.makeMac(lines[ 0]);
andrewboyson 132:5b2df69a4f17 52 }
andrewboyson 132:5b2df69a4f17 53 function parse()
andrewboyson 132:5b2df69a4f17 54 {
andrewboyson 132:5b2df69a4f17 55 let topics = Ajax.response.split('\f');
andrewboyson 132:5b2df69a4f17 56 parseGenLines(topics[0]);
andrewboyson 132:5b2df69a4f17 57 parseTcpLines(topics[1]);
andrewboyson 132:5b2df69a4f17 58 }
andrewboyson 132:5b2df69a4f17 59 function display()
andrewboyson 132:5b2df69a4f17 60 {
andrewboyson 132:5b2df69a4f17 61 let elem;
andrewboyson 132:5b2df69a4f17 62
andrewboyson 132:5b2df69a4f17 63 elem = Ajax.getElementOrNull('ajax-tcp' ); if (elem) elem.textContent = tcp;
andrewboyson 132:5b2df69a4f17 64 elem = Ajax.getElementOrNull('ajax-mac' ); if (elem) elem.textContent = mac;
andrewboyson 132:5b2df69a4f17 65 }
andrewboyson 132:5b2df69a4f17 66
andrewboyson 132:5b2df69a4f17 67 Ajax.server = '/net-ajax';
andrewboyson 132:5b2df69a4f17 68 Ajax.onResponse = function() { parse(); display(); };
andrewboyson 132:5b2df69a4f17 69 Ajax.init();