Updated demo GIF

lib/gtop.js

@@ -2,6 +2,13 @@ var blessed = require('blessed'),
   contrib = require('blessed-contrib'),
   monitor = require('./monitor');
 
+const { argv } = require('yargs');
+
+var netInterface = null;
+
+if(typeof argv.net != 'undefined') {
+  netInterface = argv.net;
+}
 
 var screen = blessed.screen()
 var grid = new contrib.grid({
@@ -17,6 +24,12 @@ var cpuLine = grid.set(0, 0, 4, 12, contrib.line, {
   showLegend: true,
 })
 
+var hostnameWidget = grid.set(0, 8, 1, 2, contrib.markdown, {
+  label: "HOSTNAME",
+  fg: "green",
+  selectedFg: "green"
+})
+
 var memLine = grid.set(4, 0, 4, 8, contrib.line, {
   showNthLabel: 5,
   maxY: 100,
@@ -69,7 +82,7 @@ var procTable = grid.set(8, 6, 4, 6, contrib.table, {
 procTable.focus()
 
 screen.render();
-screen.on('resize', function(a) {
+screen.on('resize', function (a) {
   cpuLine.emit('attach');
   memLine.emit('attach');
   memDonut.emit('attach');
@@ -79,24 +92,25 @@ screen.on('resize', function(a) {
   procTable.emit('attach');
 });
 
-screen.key(['escape', 'q', 'C-c'], function(ch, key) {
+screen.key(['escape', 'q', 'C-c'], function (ch, key) {
   return process.exit(0);
 });
 
 function init() {
   new monitor.Cpu(cpuLine); //no Windows support
   new monitor.Mem(memLine, memDonut, swapDonut);
-  new monitor.Net(netSpark);
+  new monitor.Net(netSpark, netInterface);
   new monitor.Disk(diskDonut);
-  new monitor.Proc(procTable); // no Windows support
+  new monitor.Proc(procTable, blessed, screen); // no Windows support
+  new monitor.Host(hostnameWidget);
 }
 
 
-process.on('uncaughtException', function(err) {
+process.on('uncaughtException', function (err) {
   // avoid exiting due to unsupported system resources in Windows
 });
 
 module.exports = {
   init: init,
   monitor: monitor
-};
+};

lib/monitor/hostname.js

@@ -0,0 +1,21 @@
+var si = require('systeminformation'),
+    utils = require('../utils');
+
+var colors = utils.colors;
+
+function Host(markdown) {
+    this.markdown = markdown;
+
+    this.interval = setInterval(() => {
+        this.updateData();
+      }, 1000);
+}
+
+Host.prototype.updateData = function () {
+    si.osInfo((info) => {
+        this.markdown.setMarkdown(info.hostname);
+    })
+}
+
+
+module.exports = Host;

lib/monitor/index.js

@@ -3,5 +3,6 @@ module.exports = {
   Mem: require('./mem'),
   Net: require('./net'),
   Disk: require('./disk'),
-  Proc: require('./proc')
+  Proc: require('./proc'),
+  Host: require('./hostname')
 }

lib/monitor/net.js

@@ -3,23 +3,23 @@ var si = require('systeminformation'),
 
 var colors = utils.colors;
 
-function Net(sparkline) {
+function Net(sparkline, netInterface) {
   this.sparkline = sparkline;
   this.netData = [Array(61).fill(0), Array(61).fill(0)];
 
-  si.networkInterfaceDefault(iface => {
-    var that = this;
-    var updater = function() {
-      si.networkStats(iface, data => {
-        that.updateData(data[0]);
-      });
-    }
-    updater();
-    this.interval = setInterval(updater, 1000);
-  })
+    si.networkInterfaceDefault(iface => {
+      var that = this;
+      var updater = function () {
+        si.networkStats(netInterface == null ? iface : netInterface, data => {
+          that.updateData(data[0], netInterface == null ? iface : netInterface);
+        });
+      }
+      updater();
+      this.interval = setInterval(updater, 1000);
+    })
 }
 
-Net.prototype.updateData = function(data) {
+Net.prototype.updateData = function (data, iface) {
 
   var rx_sec = Math.max(0, data['rx_sec']);
   var tx_sec = Math.max(0, data['tx_sec']);
@@ -30,12 +30,12 @@ Net.prototype.updateData = function(data) {
   this.netData[1].shift();
   this.netData[1].push(tx_sec);
 
-  rx_label = 'Receiving:      ' +
+  rx_label = iface + ' Receiving:      ' +
     utils.humanFileSize(rx_sec) +
     '/s \nTotal received: ' +
     utils.humanFileSize(data['rx_bytes']);
 
-  tx_label = 'Transferring:      ' +
+  tx_label = iface + ' Transferring:      ' +
     utils.humanFileSize(tx_sec) +
     '/s \nTotal transferred: ' +
     utils.humanFileSize(data['tx_bytes']);

lib/monitor/proc.js

@@ -9,7 +9,7 @@ var pars = {
   m: 'pmem'
 }
 
-function Proc(table) {
+function Proc(table, blessed, screen) {
   this.table = table;
 
   this.pSort = 'pcpu';
@@ -38,6 +38,46 @@ function Proc(table) {
     updater();
   });
 
+  var form;
+
+  this.table.rows.on('select', (node, index) => {
+    this.selectedProc = node.parent.value.match(/[0-9]+/g)[0];
+
+    form = blessed.form({
+      parent: screen,
+      width: 60,
+      height: 4,
+      keys: true,
+      border: {
+        type: 'line'
+      },
+      top: 'center',
+      left: 'center'
+    });
+
+    blessed.text({
+      parent: form,
+      fg: 'green',
+      content: 'Press y button to kill process #'+this.selectedProc+ ' \n Or, press n button to cancel'
+    });
+
+    form.on('submit', (data) => {
+      screen.remove(form);
+      process.kill(this.selectedProc, 'SIGHUP');
+    });
+
+    screen.render();
+  });
+
+  screen.key(['y'], (ch, key) => {
+    form.submit();  
+  });
+
+  screen.key(['n'], (ch, key) => {
+    screen.remove(form);
+    this.selectedProc = 0;
+  });
+
 }
 
 Proc.prototype.updateData = function(data) {