1st iteration

src/index.js

@@ -0,0 +1,46 @@
+var tcp = require('net')
+var async = require('async')
+
+exports = module.exports
+
+exports.dial = function (peerInfo, callback) {
+  var socket
+  async.eachSeries(peerInfo.multiaddrs, function (multiaddr, next) {
+    if (!multiaddr.protoNames().indexOf('tcp')) {
+      return next()
+    }
+
+    if (socket) {
+      return next()
+    }
+
+    var tmp = tcp.connect(multiaddr.toOptions(), function connected () {
+      socket = tmp
+      next()
+    })
+
+    tmp.once('error', function (err) {
+      console.log(multiaddr.toString(), 'on',
+          peerInfo.id.toB58String(), 'not available', err)
+      next()
+    })
+  }, function done () {
+    if (!socket) {
+      return callback(new Error('Not able to open a scoket with peer - ',
+        peerInfo.id.toB58String()))
+    }
+    callback(null, socket)
+  })
+}
+
+exports.listen = function (options, callback, readyCallback) {
+  options.port = options.port || 4001
+
+  var listener = tcp.createServer(function (socket) {
+    callback(null, socket)
+  })
+
+  listener.listen(options.port, readyCallback)
+
+  return listener
+}