add tcpbomb.js

tcpbomb.js

@@ -0,0 +1,37 @@
+'use strict';
+
+exports = module.exports = tcpBomb;
+
+var async = require('async'),
+    net = require('net');
+
+function tcpBomb(ip, port, times, timeout, callback) {
+    async.times(times, function (n, done) {
+        var client = new net.Socket();
+        client.setTimeout(timeout);
+
+        client.connect(port, ip, function() {
+            client.destroy();
+            done(null, 'Connected');
+        });
+
+        client.on('timeout', function () {
+            client.destroy();
+            done(null, 'Timeout');
+        });
+
+        client.on('error', function (error) {
+            done(null, 'Error: ' + error.message);
+        });
+    }, function (error, result) {
+        var x = result.reduce(function (ac, val) {
+            if (val === 'Connected') ++ac.connected;
+            else if (val === 'Timeout') ++ac.timeout;
+            else ++ac.error;
+
+            return ac;
+        }, { connected: 0, error: 0, timeout: 0 });
+        return callback(null, x);
+    });
+}
+