From 78f14d4bb0f77b986445e48529ab61d3abcc78dd Mon Sep 17 00:00:00 2001
From: maria <krieg.maria@googlemail.com>
Date: Sat, 31 Oct 2015 16:39:06 +0100
Subject: [PATCH] Issue #9: set ips from service response to config

---
 src/env/test/ipservice/confirm.json | 16 ++----
 src/js/controllers/dialog.js        | 78 ++++++++++++++++++++++++-----
 2 files changed, 69 insertions(+), 25 deletions(-)

diff --git a/src/env/test/ipservice/confirm.json b/src/env/test/ipservice/confirm.json
index a62a982..f3769b0 100644
--- a/src/env/test/ipservice/confirm.json
+++ b/src/env/test/ipservice/confirm.json
@@ -1,15 +1,5 @@
 {
-  "ipv4": [
-    {
-      "net": "10.0.0.0/29"
-    },
-    {
-      "net": "10.0.0.8/25"
-    }
-  ],
-  "ipbv6": [
-    {
-      "net": "asdf"
-    }
-  ]
+  "routername": "name",
+   "v4prefixes": ["10.0.0.255/29","10.0.0.1/25"],
+   "v6prefixes": ["2001:bf7:c4ff:3300::/56"]
 }
diff --git a/src/js/controllers/dialog.js b/src/js/controllers/dialog.js
index ef3d82f..c0fd047 100644
--- a/src/js/controllers/dialog.js
+++ b/src/js/controllers/dialog.js
@@ -1,5 +1,7 @@
 'use strict';
 
+var ip = require('ip');
+
 module.exports = function(app) {
   app.controller('DialogController',
     function($scope, $modalInstance, state, wizard, $interval, $http, $translate, downloadFile, $filter, REGISTER_IPS) {
@@ -12,6 +14,18 @@ module.exports = function(app) {
           confirmed: 'notStarted',
           configWritten: 'notStarted'
         },
+        meshIPSubnet: function() {
+          var meshIpsSubnetSize = Object.keys(state.wifi.devices).length;
+          if (wizard.ip.meshLan) {
+            meshIpsSubnetSize++
+          }
+
+          if (meshIpsSubnetSize < 3) {
+            return 30;
+          } else {
+            return 29;
+          }
+        },
         steps: 0,
       };
       $scope.state.generatevpn = {
@@ -24,19 +38,17 @@ module.exports = function(app) {
       }
 
       $scope.reserveIPs = function() {
-        var meshIpsSubnetSize = Object.keys(state.wifi.devices).length;
-        if (wizard.ip.meshLan) {
-          meshIpsSubnetSize++
+        var data = {
+          email: wizard.contact.email,
+          routerName: wizard.router.name,
+          v4subnet: [state.registerips.meshIPSubnet(), state.ip.v4ClientSubnetSize],
+          v6subnet: [56]
         }
+        console.log(data),
         $http({
           method: REGISTER_IPS.method,
           url: REGISTER_IPS.service+REGISTER_IPS.reserve
-        },{
-          email: wizard.contact.email,
-          routerName: wizard.router.name,
-          v4subnet: [meshIpsSubnetSize, state.ip.v4ClientSubnetSize],
-          v6subnet: [56]
-        }).then(function(response) {
+        }, data).then(function(response) {
           //success callback
           //TODO handle error in response
           $scope.state.registerips.progress.reserved = 'success';
@@ -59,16 +71,58 @@ module.exports = function(app) {
         }).then(
           function(response) {
             //succuess callback
-            console.log(response.data)
+            //TODO handle error in response message and wrecked data
             $scope.state.registerips.steps++;
-            $scope.state.registerips.progress.confirmed = 'success'
+            $scope.state.registerips.progress.confirmed = 'success';
+
+            //assumption: ip registration service only sends back two v4 subnets
+            //because we only ask for two of them
+            //one for clients and one for meshing, but there is not hint wich is which
+            var firstsubnet = ip.cidrSubnet(response.data.v4prefixes[0]);
+            if (firstsubnet.subnetMaskLength == state.ip.v4ClientSubnetSize) {
+              $scope.wizard.ip.v4ClientSubnet = response.data.v4prefixes[0];
+              $scope.setMeshIps(response.data.v4prefixes[1]);
+            } else {
+              $scope.setMeshIps(response.data.v4prefixes[0]);
+              $scope.wizard.ip.v4ClientSubnet = response.data.v4prefixes[1];
+            }
+            $scope.wizard.ip.v6Prefix=response.data.v6prefixes[0];
+            $scope.state.registerips.steps++;
+            $scope.state.registerips.progress.configWritten = 'success';
           }, function(response) {
             //error callback
-            $scope.state.registerips.progress.confirmed = 'error'
+            $scope.state.registerips.progress.confirmed = 'error';
           }
         );
       }
 
+      $scope.setMeshIps = function(subnet) {
+        var ipAddress = ip.cidrSubnet(subnet).firstAddress;
+        for (var i=0; i <Object.keys(state.wifi.devices).length; i++) {
+          $scope.wizard.ip.v4['radio'+i] = ipAddress.toString();
+          ipAddress = $scope.getNextIP(ipAddress.toString());
+        }
+
+        if ($scope.wizard.ip.meshLan) {
+          $scope.wizard.ip.v4.lan = ipAddress;
+        }
+      }
+
+      $scope.getNextIP = function(ipAddress) {
+        var buf = new Buffer(128);
+        var offset = 64;
+        ip.toBuffer(ipAddress, buf, offset);
+        if (buf[67] < 255) {
+          buf[67] = buf[67]+1;
+        } else  if (buf[66] < 255) {
+          buf[66] = buf[66]+1;
+          buf[67] = 0;
+        } else {
+          console.log('too lazy to implement this now. is it even needed? maybe it is not even neccessary, because mesh net is realy small')
+        }
+        return ip.toString(buf, offset, 4);
+      }
+
       $scope.generateVPN03CertAndKey = function() {
         /*
          * since this is not handled on the client we need a service on the router