Merge pull request #360 from pgreyson/master

Map-based topology view and assorted
diff --git a/web/ons-demo/RELEASE_NOTES.txt b/web/ons-demo/RELEASE_NOTES.txt
index 725dd23..bfe6059 100644
--- a/web/ons-demo/RELEASE_NOTES.txt
+++ b/web/ons-demo/RELEASE_NOTES.txt
@@ -1,4 +1,15 @@
 ** April 8, 2013 **
+- map view
+- onos nodes at top
+- count only active switches in header
+- hook up switchctrl all and local actions
+- various small ui improvements (hover feedback, flow chooser animation e.g.)
+- splash screen and use vector graphics for on.lab logo
+- only show "marching ants" animation when iperf data is flowing
+- NOTE: the map view dynamically sizes with browser resize. so no need to refresh after resizing anymore
+
+
+** April 8, 2013 **
 - add explicit timeout logic so that the GUI doesn't have to be refreshed if the API misbehaves
 
 ** April 8, 2013 **
diff --git a/web/ons-demo/assets/logo.png b/web/ons-demo/assets/logo.png
deleted file mode 100644
index 57434bd..0000000
--- a/web/ons-demo/assets/logo.png
+++ /dev/null
Binary files differ
diff --git a/web/ons-demo/assets/logo.svg b/web/ons-demo/assets/logo.svg
new file mode 100644
index 0000000..373e072
--- /dev/null
+++ b/web/ons-demo/assets/logo.svg
@@ -0,0 +1,83 @@
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+   xmlns:svg="http://www.w3.org/2000/svg"
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+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
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\ No newline at end of file
diff --git a/web/ons-demo/assets/switch.svg b/web/ons-demo/assets/switch.svg
new file mode 100644
index 0000000..7a69e98
--- /dev/null
+++ b/web/ons-demo/assets/switch.svg
@@ -0,0 +1,187 @@
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+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
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+   version="1.1">
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+     id="metadata4412">
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+      <cc:Work
+         rdf:about="">
+        <dc:title>switch</dc:title>
+        <dc:description />
+        <dc:subject>
+          <rdf:Bag>
+            <rdf:li>symbol</rdf:li>
+            <rdf:li>network</rdf:li>
+            <rdf:li>switch</rdf:li>
+          </rdf:Bag>
+        </dc:subject>
+        <dc:publisher>
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+             rdf:about="http://www.openclipart.org/">
+            <dc:title>Open Clip Art Library</dc:title>
+          </cc:Agent>
+        </dc:publisher>
+        <dc:creator>
+          <cc:Agent>
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+          </cc:Agent>
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+        <dc:rights>
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+            <dc:title>Jakub Angelis</dc:title>
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+      <cc:License
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diff --git a/web/ons-demo/css/layout.default.css b/web/ons-demo/css/layout.default.css
index 5e1f1ce..297e31b 100644
--- a/web/ons-demo/css/layout.default.css
+++ b/web/ons-demo/css/layout.default.css
@@ -4,10 +4,24 @@
 
 body {
 	display: -webkit-box;
-	-webkit-box-orient: vertical;
 	-webkit-user-select: none;
 }
 
+#background, #background-image {
+	width: 100%;
+	height: 100%;
+}
+
+#contents {
+	width: 100%;
+	height: 100%;
+	display: -webkit-box;
+	-webkit-box-orient: vertical;
+	position: absolute;
+	top: 0px;
+	left: 0px;
+}
+
 #columns {
 	display: -webkit-box;
 	-webkit-box-flex: 1.0;
@@ -22,6 +36,7 @@
 
 #status {
 	display: -webkit-box;
+	-webkit-box-flex: 1.0;
 }
 
 #left, #right {
@@ -34,7 +49,7 @@
 	-webkit-box-flex: 1.0;
 }
 
-#controllers, #topology {
+#topologyArea {
 	-webkit-box-flex: 1.0;
 	position: relative;
 }
@@ -87,22 +102,24 @@
 	width: 100%;
 }
 
-#controllers {
+#onos {
 	display: -webkit-box;
-	-webkit-box-orient: vertical;
 }
 
-
-#controllerList {
+#actions {
 	display: -webkit-box;
-	-webkit-box-orient: vertical;
-	-webkit-box-flex: 1.0;
+}
+
+#controllers {
+	display: -webkit-box;
 	overflow: scroll;
+	-webkit-box-flex: 1.0;
 }
 
 .controller {
 	margin: .25em;
 	background-color: blue;
+	-webkit-box-flex: 1.0;
 }
 
 #svg-container {
diff --git a/web/ons-demo/css/skin.2.css b/web/ons-demo/css/skin.2.css
deleted file mode 100644
index e69de29..0000000
--- a/web/ons-demo/css/skin.2.css
+++ /dev/null
diff --git a/web/ons-demo/css/skin.default.css b/web/ons-demo/css/skin.default.css
index 1d656b0..f6086a3 100644
--- a/web/ons-demo/css/skin.default.css
+++ b/web/ons-demo/css/skin.default.css
@@ -6,10 +6,22 @@
 	margin: 0px;
 }
 
-#topology.linking {
+#contents {
+	visibility: hidden;
+	background-color: black;
+}
+
+#topologyArea.linking {
 	cursor: crosshair;
 }
 
+
+#map path {
+	fill:none;
+	stroke:#333;
+	stroke-width:2;
+}
+
 .nodrop {
 	cursor: not-allowed;
 }
@@ -33,7 +45,7 @@
 	padding: .25em;
 }
 
-#status.top span {
+#status span {
 	font-size: 24px;
 }
 
@@ -53,43 +65,34 @@
 	height: 50px;
 }
 
-#topology {
-	border-top: 1px solid #AAA;
-}
-
 .selectedFlow {
 	border-bottom: 1px solid #AAA;
 }
 
 .selectedFlow:hover {
-	background-color: #333;
+	background-color: #222;
 }
 
 .selectedFlow:last-child {
 	border-bottom: none;
 }
 
+#flowChooser .selectedFlow:hover {
+	background-color: white;
+}
+
 #lastUpdated {
 	padding-bottom: 0px;
 }
 
-#controllers .header {
-	-webkit-box-pack: center;
-	border-bottom: 1px solid #AAA;
-}
-
-
 #right .header {
 	font-size: 12px;
 	padding-right: .25em;
 	-webkit-box-sizing: border-box;
 }
 
-#controllers, #selectedFlows {
-	border-top: 1px solid #AAA;
-}
-
 #selectedFlows {
+	border-top: 1px solid #AAA;
 	border-bottom: 1px solid #AAA;
 }
 
@@ -99,6 +102,10 @@
 	background-color: black;
 }
 
+.header, #onos {
+	border-bottom: 1px solid #AAA;;
+}
+
 #flowChooser .selectedFlow {
 	background-color: rgba(255, 255, 255, .75);
 	color: black;
@@ -147,8 +154,16 @@
 
 path.iperfdata {
 	fill: none;
-	stroke-width: 2px;
-	stroke: rgba(255, 255, 255, .75);
+	stroke-width: 1px;
+	stroke: #ccc;
+}
+
+.iperf {
+	background-color: #222;
+}
+
+#selectedFlowsHeader .iperf {
+	background-color: black;
 }
 
 #flowChooser {
@@ -161,7 +176,7 @@
 	display: -webkit-box;
 	-webkit-box-pack: center;
 	-webkit-box-align: center;
-	width: 3em;
+	width: 4em;
 }
 
 
@@ -170,25 +185,40 @@
 }
 
 
-.srcDPID, .dstDPID, .deleteFlow, #deleteFlow {
+.srcDPID, .dstDPID, .deleteFlow, #showFlowChooser {
 	border-right: 1px solid #AAA;
 }
 
+#showFlowChooser:hover, .deleteFlow:hover {
+	background-color: #444;
+}
+
+#showFlowChooser:active, .deleteFlow:active {
+	background-color: black;
+}
+
 .srcDPID {
 	border-left: 1px solid #AAA;
 }
 
-
-#controllers {
-	border-right: 1px solid #AAA;
-}
-
 .controller {
 	padding: .25em;
 	padding-left: 2.5em;
 	position: relative;
+	border: 1px solid #444;
+	color: white;
+	position: relative;
 }
 
+.controller:hover {
+	border: 1px solid white;
+}
+
+.action, .controller {
+	font-size: 18px;
+}
+
+
 .black-eye {
 	position: absolute;
 	top: 0px;
@@ -207,7 +237,7 @@
 	background-image: url('../assets/white-eye.svg');
 	background-size: auto 100%;
 	background-repeat: no-repeat;
-	background-position: .25em center;
+	background-position: .4em center;
 }
 
 .deleteFlow {
@@ -238,6 +268,10 @@
 	pointer-events: none;
 }
 
+text.label {
+	fill: #888;
+}
+
 path {
 	stroke: rgba(255, 255, 255, .25);
 	stroke-width: 1.5px;
@@ -284,6 +318,7 @@
 
 .color2 {
 	opacity: .15;
+	pointer-events: none;
 	fill: #FFBA00;
 	background-color: #FFBA00;
 }
@@ -332,6 +367,7 @@
 
 .color9 {
 	opacity: .2;
+	pointer-events: none;
 	fill: #F53D65;
 	background-color: #F53D65;
 }
@@ -357,6 +393,27 @@
 	background-color: #6949D7;
 }
 
+.action {
+	margin: .25em;
+	padding: .25em;
+	padding-left: 1em;
+	padding-right: 1em;
+	border: 1px solid #AAA;
+	background-color: #444;
+	display: -webkit-box;
+	-webkit-box-pack: center;
+	-webkit-box-align: center;
+	color: white;
+}
+
+.action:hover {
+	border: 1px solid #FFF;
+}
+
+.action:active {
+	background-color: #222;
+}
+
 
 @-webkit-keyframes pending {
 	from {
@@ -375,3 +432,8 @@
 	-webkit-animation-iteration-count: 70;
 }
 
+.core path {
+	stroke-width: 1px;
+	stroke: black;
+}
+
diff --git a/web/ons-demo/js/d3.v3.js b/web/ons-demo/d3/d3.v3.js
similarity index 100%
rename from web/ons-demo/js/d3.v3.js
rename to web/ons-demo/d3/d3.v3.js
diff --git a/web/ons-demo/js/d3.v3.min.js b/web/ons-demo/d3/d3.v3.min.js
similarity index 100%
rename from web/ons-demo/js/d3.v3.min.js
rename to web/ons-demo/d3/d3.v3.min.js
diff --git a/web/ons-demo/d3/topojson.v0.min.js b/web/ons-demo/d3/topojson.v0.min.js
new file mode 100644
index 0000000..c6aa3cd
--- /dev/null
+++ b/web/ons-demo/d3/topojson.v0.min.js
@@ -0,0 +1 @@
+topojson=function(){function t(t,e){function n(e){var n=t.arcs[e],r=n[0],o=[0,0];return n.forEach(function(t){o[0]+=t[0],o[1]+=t[1]}),[r,o]}var r={},o={},a={};e.forEach(function(t){var e=n(t);(r[e[0]]||(r[e[0]]=[])).push(t),(r[e[1]]||(r[e[1]]=[])).push(~t)}),e.forEach(function(t){var e,r,i=n(t),c=i[0],s=i[1];if(e=a[c])if(delete a[e.end],e.push(t),e.end=s,r=o[s]){delete o[r.start];var u=r===e?e:e.concat(r);o[u.start=e.start]=a[u.end=r.end]=u}else if(r=a[s]){delete o[r.start],delete a[r.end];var u=e.concat(r.map(function(t){return~t}).reverse());o[u.start=e.start]=a[u.end=r.start]=u}else o[e.start]=a[e.end]=e;else if(e=o[s])if(delete o[e.start],e.unshift(t),e.start=c,r=a[c]){delete a[r.end];var f=r===e?e:r.concat(e);o[f.start=r.start]=a[f.end=e.end]=f}else if(r=o[c]){delete o[r.start],delete a[r.end];var f=r.map(function(t){return~t}).reverse().concat(e);o[f.start=r.end]=a[f.end=e.end]=f}else o[e.start]=a[e.end]=e;else if(e=o[c])if(delete o[e.start],e.unshift(~t),e.start=s,r=a[s]){delete a[r.end];var f=r===e?e:r.concat(e);o[f.start=r.start]=a[f.end=e.end]=f}else if(r=o[s]){delete o[r.start],delete a[r.end];var f=r.map(function(t){return~t}).reverse().concat(e);o[f.start=r.end]=a[f.end=e.end]=f}else o[e.start]=a[e.end]=e;else if(e=a[s])if(delete a[e.end],e.push(~t),e.end=c,r=a[c]){delete o[r.start];var u=r===e?e:e.concat(r);o[u.start=e.start]=a[u.end=r.end]=u}else if(r=o[c]){delete o[r.start],delete a[r.end];var u=e.concat(r.map(function(t){return~t}).reverse());o[u.start=e.start]=a[u.end=r.start]=u}else o[e.start]=a[e.end]=e;else e=[t],o[e.start=c]=a[e.end=s]=e});var i=[];for(var c in a)i.push(a[c]);return i}function e(e,r,o){function a(t){0>t&&(t=~t),(l[t]||(l[t]=[])).push(f)}function i(t){t.forEach(a)}function c(t){t.forEach(i)}function s(t){"GeometryCollection"===t.type?t.geometries.forEach(s):t.type in d&&(f=t,d[t.type](t.arcs))}var u=[];if(arguments.length>1){var f,l=[],d={LineString:i,MultiLineString:c,Polygon:c,MultiPolygon:function(t){t.forEach(c)}};s(r),l.forEach(3>arguments.length?function(t,e){u.push([e])}:function(t,e){o(t[0],t[t.length-1])&&u.push([e])})}else for(var p=0,h=e.arcs.length;h>p;++p)u.push([p]);return n(e,{type:"MultiLineString",arcs:t(e,u)})}function n(t,e){function n(t,e){e.length&&e.pop();for(var n,o=h[0>t?~t:t],a=0,i=o.length,c=0,s=0;i>a;++a)e.push([(c+=(n=o[a])[0])*f+d,(s+=n[1])*l+p]);0>t&&r(e,i)}function o(t){return[t[0]*f+d,t[1]*l+p]}function a(t){for(var e=[],r=0,o=t.length;o>r;++r)n(t[r],e);return 2>e.length&&e.push(e[0]),e}function i(t){for(var e=a(t);4>e.length;)e.push(e[0]);return e}function c(t){return t.map(i)}function s(t){var e=t.type,n="GeometryCollection"===e?{type:e,geometries:t.geometries.map(s)}:e in v?{type:e,coordinates:v[e](t)}:{type:null};return"id"in t&&(n.id=t.id),"properties"in t&&(n.properties=t.properties),n}var u=t.transform,f=u.scale[0],l=u.scale[1],d=u.translate[0],p=u.translate[1],h=t.arcs,v={Point:function(t){return o(t.coordinates)},MultiPoint:function(t){return t.coordinates.map(o)},LineString:function(t){return a(t.arcs)},MultiLineString:function(t){return t.arcs.map(a)},Polygon:function(t){return c(t.arcs)},MultiPolygon:function(t){return t.arcs.map(c)}};return s(e)}function r(t,e){for(var n,r=t.length,o=r-e;--r>o;)n=t[o],t[o++]=t[r],t[r]=n}function o(t,e){for(var n=0,r=t.length;r>n;){var o=n+r>>>1;e>t[o]?n=o+1:r=o}return n}function a(t){function e(t,e){t.forEach(function(t){0>t&&(t=~t);var n=a[t]||(a[t]=[]);n[e]||(n.forEach(function(t){var n,r;r=o(n=i[e],t),n[r]!==t&&n.splice(r,0,t),r=o(n=i[t],e),n[r]!==e&&n.splice(r,0,e)}),n[e]=e)})}function n(t,n){t.forEach(function(t){e(t,n)})}function r(t,e){"GeometryCollection"===t.type?t.geometries.forEach(function(t){r(t,e)}):t.type in c&&c[t.type](t.arcs,e)}var a=[],i=t.map(function(){return[]}),c={LineString:e,MultiLineString:n,Polygon:n,MultiPolygon:function(t,e){t.forEach(function(t){n(t,e)})}};return t.forEach(r),i}return{version:"0.0.32",mesh:e,object:n,neighbors:a}}();
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diff --git a/web/ons-demo/data/configuration.json b/web/ons-demo/data/configuration.json
index b36fced..4d38d5f 100644
--- a/web/ons-demo/data/configuration.json
+++ b/web/ons-demo/data/configuration.json
@@ -37,5 +37,43 @@
 		"00:00:00:16:97:08:9a:46": [
 			"00:00:00:00:00:00:08:01"
 		]
+	},
+	"geo": {
+		"00:00:00:08:a2:08:f9:01": {
+			"lat": 41.891033,
+			"lng": -87.628326,
+			"label": "CHI",
+			"fanOutAngle": 180
+		},
+		"00:00:00:00:ba:5e:ba:11": {
+			"lat": 47.611024,
+			"lng": -122.33242,
+			"label": "SEA",
+			"fanOutAngle": 270
+		},
+		"00:00:20:4e:7f:51:8a:35": {
+			"lat": 33.758599,
+			"lng": -84.387360,
+			"label": "ATL",
+			"fanOutAngle": 0
+		},
+		"00:00:00:00:00:00:ba:12": {
+			"lat": 41.225925,
+			"lng": -74.00528,
+			"label": "NYC",
+			"fanOutAngle": 135
+		},
+		"00:00:00:00:ba:5e:ba:13": {
+			"lat": 37.901187,
+			"lng": -76.037163,
+			"label": "DC",
+			"fanOutAngle": 45
+		},
+		"00:00:00:16:97:08:9a:46": {
+			"lat": 34.102708,
+			"lng": -118.238983,
+			"label": "LA",
+			"fanOutAngle": 315
+		}
 	}
 }
\ No newline at end of file
diff --git a/web/ons-demo/data/world.json b/web/ons-demo/data/world.json
new file mode 100644
index 0000000..874582c
--- /dev/null
+++ b/web/ons-demo/data/world.json
@@ -0,0 +1,39034 @@
+{
+  "type": "Topology",
+  "transform": {
+    "scale": [
+      0.011121861824577766,
+      0.005244902253759074
+    ],
+    "translate": [
+      -178.19451843993755,
+      18.96390918584938
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+      [
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+      ],
+      [
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+      [
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+      [
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+      [
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+      ],
+      [
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+        5
+      ],
+      [
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+        12
+      ],
+      [
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+      ],
+      [
+        9,
+        0
+      ],
+      [
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+        0
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+      [
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+        0
+      ],
+      [
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+      ],
+      [
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+        0
+      ],
+      [
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+      ],
+      [
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+      [
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+      ],
+      [
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+      [
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+      ]
+    ],
+    [
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+      [
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+      [
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+      [
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+      [
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+      [
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+      [
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+    ],
+    [
+      [
+        8212,
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+      [
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+      [
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+      [
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+    [
+      [
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+      [
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+      [
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+      [
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+    [
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+        5330
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+      [
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+      [
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+      [
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+      [
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+      [
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+      [
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+      [
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+      [
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+      [
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+      [
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+      [
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+        -18
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+      [
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+      [
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+      [
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+      ],
+      [
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+      ],
+      [
+        -3,
+        -16
+      ],
+      [
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+      [
+        0,
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+      [
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+      ],
+      [
+        2,
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+      ],
+      [
+        0,
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+      ],
+      [
+        -7,
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+      [
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+        -12
+      ],
+      [
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+      ],
+      [
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+        -9
+      ],
+      [
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+      [
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+      [
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+      [
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+      ],
+      [
+        0,
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+      ],
+      [
+        2,
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+      [
+        0,
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+      [
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+      [
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+      [
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+      [
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+      [
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+      [
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+      [
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+      ],
+      [
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+      [
+        -2,
+        -14
+      ],
+      [
+        0,
+        -26
+      ],
+      [
+        0,
+        -9
+      ]
+    ],
+    [
+      [
+        7740,
+        5300
+      ],
+      [
+        3,
+        -5
+      ],
+      [
+        8,
+        -7
+      ],
+      [
+        6,
+        -1
+      ],
+      [
+        8,
+        2
+      ],
+      [
+        30,
+        12
+      ],
+      [
+        13,
+        8
+      ],
+      [
+        12,
+        15
+      ],
+      [
+        2,
+        0
+      ],
+      [
+        5,
+        -3
+      ],
+      [
+        1,
+        -1
+      ],
+      [
+        17,
+        17
+      ],
+      [
+        5,
+        2
+      ],
+      [
+        4,
+        -1
+      ],
+      [
+        6,
+        -6
+      ],
+      [
+        1,
+        -4
+      ],
+      [
+        -2,
+        -8
+      ],
+      [
+        -5,
+        -11
+      ],
+      [
+        -2,
+        -9
+      ],
+      [
+        0,
+        -8
+      ],
+      [
+        -2,
+        -8
+      ],
+      [
+        -5,
+        -11
+      ],
+      [
+        2,
+        -3
+      ],
+      [
+        14,
+        8
+      ],
+      [
+        2,
+        3
+      ],
+      [
+        0,
+        2
+      ],
+      [
+        -1,
+        2
+      ],
+      [
+        2,
+        1
+      ],
+      [
+        10,
+        -11
+      ],
+      [
+        8,
+        -6
+      ],
+      [
+        6,
+        -3
+      ],
+      [
+        5,
+        2
+      ]
+    ],
+    [
+      [
+        7866,
+        5332
+      ],
+      [
+        -1,
+        -2
+      ],
+      [
+        -4,
+        3
+      ],
+      [
+        0,
+        3
+      ],
+      [
+        1,
+        3
+      ],
+      [
+        1,
+        -1
+      ],
+      [
+        3,
+        -4
+      ],
+      [
+        0,
+        -2
+      ]
+    ],
+    [
+      [
+        7891,
+        5350
+      ],
+      [
+        -2,
+        -3
+      ],
+      [
+        -2,
+        2
+      ],
+      [
+        1,
+        6
+      ],
+      [
+        2,
+        3
+      ],
+      [
+        2,
+        1
+      ],
+      [
+        1,
+        -1
+      ],
+      [
+        0,
+        -4
+      ],
+      [
+        -2,
+        -4
+      ]
+    ]
+  ]
+}
diff --git a/web/ons-demo/data/world.txt b/web/ons-demo/data/world.txt
new file mode 100644
index 0000000..04bfb53
--- /dev/null
+++ b/web/ons-demo/data/world.txt
@@ -0,0 +1,10 @@
+see: http://bost.ocks.org/mike/map/
+
+brew install gdal
+npm install -g topojson
+
+download: http://www.naturalearthdata.com/http//www.naturalearthdata.com/download/50m/cultural/ne_50m_admin_1_states_provinces_lakes_shp.zip
+
+$ ogr2ogr -f GeoJSON -where "sr_adm0_a3 IN ('USA')" states.json ~/Desktop/ne_50m_admin_1_states_provinces_lakes_shp/ne_50m_admin_1_states_provinces_lakes_shp.shp
+$ topojson -o states.json world.json
+
diff --git a/web/ons-demo/index.html b/web/ons-demo/index.html
index 55237ac..ca930ec 100644
--- a/web/ons-demo/index.html
+++ b/web/ons-demo/index.html
@@ -1,53 +1,70 @@
 <html>
-
 <head>
 	<link rel="stylesheet" href="css/layout.default.css" type="text/css"/>
 	<link rel="stylesheet" href="css/skin.default.css" type="text/css"/>
-	<script src="js/d3.v3.js" charset="utf-8"></script>
+</head>
+<body>
+<div id='background'>
+	<img id='background-image' src='assets/logo.svg'/>
+</div>
+
+<div id='contents'>
+
+	<div class='header'>
+		<img id='logo' src='assets/logo.svg'></img>
+		<div id='status'>
+			<div class='status'><span class='dynamic' id='activeFlows'>????</span><span class='static'>Flows</span></div>
+			<div class='status'><span class='dynamic' id='activeSwitches'>???</span><span class='static'>Active Switches</span></div>
+		</div>
+		<div id='lastUpdated' class='status'><span class='static'>Last updated:</span><span id='lastUpdate' class='dynamic'>Mon Mar 18 11:11:12 PDT 2013</span></div>
+	</div>
+
+	<div id='onos'>
+		<div id='controllers'></div>
+		<div id='actions'>
+			<div id='action-all' class='action'>ALL</div>
+			<div id='action-local' class='action'>LOCAL</div>
+			<div id='action-scale' class='action'>SCALE</div>
+		</div>
+	</div>
+
+	<div id='topologyArea'>
+		<div id='svg-container'></div>
+	</div>
+
+	<div id='selectedFlowsHeader'>
+		<div id='showFlowChooser' class='flowId'><div class='white-eye'></div></div>
+		<div class='flowId'>id</div>
+		<div class='srcDPID'>src</div>
+		<div class='dstDPID'>dst</div>
+		<div class='iperf'>iperf</div>
+	</div>
+
+	<div id='selectedFlows'></div>
+
+	<div id='flowChooser'></div>
+
+	<script src="d3/d3.v3.js" charset="utf-8"></script>
+	<script src="d3/topojson.v0.min.js"></script>
 	<script src="js/async.js"></script>
+	<script src="js/debug.js"></script>
+	<script src="js/constants.js"></script>
+	<script src="js/globals.js"></script>
 	<script src="js/utils.js"></script>
 	<script src="js/model.js"></script>
 	<script src="js/controller.js"></script>
-</head>
+	<script src="js/controllers.js"></script>
 
-<body>
+	<!-- choose ring or map layout -->
+	<!--script src="js/rings.js"></script-->
+	<script src="js/map.js"></script>
 
-<div id='columns'>
-	<div id='left'>
-		<div class='header'>
-			<img id='logo' src='assets/logo.png'></img>
-		</div>
-		<div id='controllers'>
-			<div class='header'>ONOS Nodes</div>
-			<div id='controllerList'></div>
-		</div>
-	</div>
-
-	<div id='right'>
-		<div class='header'>
-			<div id='status' class='top'>
-				<div class='status'><span class='dynamic' id='activeFlows'>????</span><span class='static'>Flows</span></div>
-				<div class='status'><span class='dynamic' id='activeSwitches'>???</span><span class='static'>Active Switches</span></div>
-			</div>
-			<div id='traceButton' class='button'>Trace</div>
-			<div id='lastUpdated' class='status top'><span class='static'>Last updated:</span><span id='lastUpdate' class='dynamic'>Mon Mar 18 11:11:12 PDT 2013</span></div>
-		</div>
-		<div id='topology'>
-			<div id='svg-container'></div>
-		</div>
-	</div>
+	<script src="js/topologyactions.js"></script>
+	<script src="js/topology.js"></script>
+	<script src="js/flows.js"></script>
+	<script src="js/init.js"></script>
+	<script src="js/app.js"></script>
 </div>
-<div id='selectedFlowsHeader'>
-	<div id='deleteFlow'></div>
-	<div id='showFlowChooser' class='flowId'><div class='white-eye'></div></div>
-	<div class='srcDPID'>src</div>
-	<div class='dstDPID'>dst</div>
-	<div class='iperf'>iperf</div>
-</div>
-<div id='selectedFlows'></div>
-<div id='flowChooser'></div>
-
-<script src="js/app.js"></script>
 </body>
 
 </html>
\ No newline at end of file
diff --git a/web/ons-demo/js/app.js b/web/ons-demo/js/app.js
index 6fa1bd3..2689b43 100644
--- a/web/ons-demo/js/app.js
+++ b/web/ons-demo/js/app.js
@@ -1,1206 +1,9 @@
 /*global d3, document∆*/
 
-d3.selection.prototype.moveToFront = function() {
-  return this.each(function(){
-    this.parentNode.appendChild(this);
-  });
-};
 
-var line = d3.svg.line()
-    .x(function(d) {
-    	return d.x;
-    })
-    .y(function(d) {
-    	return d.y;
-    });
-
-var model;
-var svg;
-var updateTopology;
-var pendingLinks = {};
-var selectedFlows = [];
-
-var pendingTimeout = 30000;
-
-var colors = [
-	'color1',
-	'color2',
-	'color3',
-	'color4',
-	'color7',
-	'color8',
-	'color9',
-//	'color11',
-	'color12'
-];
-colors.reverse();
-
-var controllerColorMap = {};
-
-function setPending(selection) {
-	selection.classed('pending', false);
-	setTimeout(function () {
-		selection.classed('pending', true);
-	})
-}
-
-function createTopologyView() {
-
-	window.addEventListener('resize', function () {
-		// this is too slow. instead detect first resize event and hide the paths that have explicit matrix applied
-		// either that or is it possible to position the paths so they get the automatic transform as well?
-//		updateTopology();
-	});
-
-	var svg = d3.select('#svg-container').append('svg:svg');
-
-	svg.append("svg:defs").append("svg:marker")
-	    .attr("id", "arrow")
-	    .attr("viewBox", "0 -5 10 10")
-	    .attr("refX", -1)
-	    .attr("markerWidth", 5)
-	    .attr("markerHeight", 5)
-	    .attr("orient", "auto")
-	  .append("svg:path")
-	    .attr("d", "M0,-3L10,0L0,3");
-
-	return svg.append('svg:svg').attr('id', 'viewBox').attr('viewBox', '0 0 1000 1000').attr('preserveAspectRatio', 'none').
-			attr('id', 'viewbox').append('svg:g').attr('transform', 'translate(500 500)');
-}
-
-function updateSelectedFlowsTopology() {
-	// DRAW THE FLOWS
-	var topologyFlows = [];
-	selectedFlows.forEach(function (flow) {
-		if (flow) {
-			topologyFlows.push(flow);
-		}
-	});
-
-	var flows = d3.select('svg').selectAll('.flow').data(topologyFlows);
-
-	flows.enter().append("svg:path").attr('class', 'flow')
-		.attr('stroke-dasharray', '4, 10')
-		.append('svg:animate')
-		.attr('attributeName', 'stroke-dashoffset')
-		.attr('attributeType', 'xml')
-		.attr('from', '500')
-		.attr('to', '-500')
-		.attr('dur', '20s')
-		.attr('repeatCount', 'indefinite');
-
-	flows.exit().remove();
-
-	flows.attr('d', function (d) {
-			if (!d) {
-				return;
-			}
-			var pts = [];
-			if (!d.dataPath.flowEntries) {
-				// create a temporary vector to indicate the pending flow
-				var s1 = d3.select(document.getElementById(d.srcDpid));
-				var s2 = d3.select(document.getElementById(d.dstDpid));
-
-				var pt1 = document.querySelector('svg').createSVGPoint();
-				pt1.x = s1.attr('x');
-				pt1.y = s1.attr('y');
-				pt1 = pt1.matrixTransform(s1[0][0].getCTM());
-				pts.push(pt1);
-
-				var pt2 = document.querySelector('svg').createSVGPoint();
-				pt2.x = s2.attr('x');
-				pt2.y = s2.attr('y');
-				pt2 = pt2.matrixTransform(s2[0][0].getCTM());
-				pts.push(pt2);
-
-			} else {
-				d.dataPath.flowEntries.forEach(function (flowEntry) {
-					var s = d3.select(document.getElementById(flowEntry.dpid.value));
-					// s[0] is null if the flow entry refers to a non-existent switch
-					if (s[0][0]) {
-						var pt = document.querySelector('svg').createSVGPoint();
-						pt.x = s.attr('x');
-						pt.y = s.attr('y');
-						pt = pt.matrixTransform(s[0][0].getCTM());
-						pts.push(pt);
-					} else {
-						console.log('flow refers to non-existent switch: ' + flowEntry.dpid.value);
-					}
-				});
-			}
-			if (pts.length) {
-				return line(pts);
-			} else {
-				return "M0,0";
-			}
-		})
-		.attr('id', function (d) {
-			if (d) {
-				return makeFlowKey(d);
-			}
-		})
-		.classed('pending', function (d) {
-			return d && (d.createPending || d.deletePending);
-		});
-
-	// "marching ants"
-	flows.select('animate').attr('from', 500);
-
-}
-
-function updateSelectedFlowsTable() {
-	function rowEnter(d) {
-		var row = d3.select(this);
-		row.append('div').classed('deleteFlow', true);
-		row.append('div').classed('flowId', true);
-		row.append('div').classed('srcDPID', true);
-		row.append('div').classed('dstDPID', true);
-		row.append('div').classed('iperf', true);
-
-		row.select('.iperf')
-			.append('div')
-			.attr('class', 'iperf-container')
-			.append('svg:svg')
-			.attr('viewBox', '0 0 1000 32')
-			.attr('preserveAspectRatio', 'none')
-			.append('svg:g')
-			.append('svg:path')
-			.attr('class', 'iperfdata');
-
-		row.on('mouseover', function (d) {
-			if (d) {
-				var path = document.getElementById(makeFlowKey(d));
-				d3.select(path).classed('highlight', true);
-			}
-		});
-		row.on('mouseout', function (d) {
-			if (d) {
-				var path = document.getElementById(makeFlowKey(d));
-				d3.select(path).classed('highlight', false);
-			}
-		});
-	}
-
-	function rowUpdate(d) {
-		var row = d3.select(this);
-		row.attr('id', function (d) {
-			if (d) {
-				return makeSelectedFlowKey(d);
-			}
-		});
-
-		if (!d || !hasIPerf(d)) {
-			row.select('.iperfdata')
-				.attr('d', 'M0,0');
-		}
-
-		row.select('.deleteFlow').on('click', function () {
-			deselectFlow(d);
-		});
-		row.on('dblclick', function () {
-			if (d) {
-				var prompt = 'Delete flow ' + d.flowId + '?';
-				if (confirm(prompt)) {
-					deleteFlow(d);
-					d.deletePending = true;
-					updateSelectedFlows();
-
-					setTimeout(function () {
-						d.deletePending = false;
-						updateSelectedFlows();
-					}, pendingTimeout)
-				};
-			}
-		});
-
-		row.select('.flowId')
-			.text(function (d) {
-				if (d) {
-					if (d.flowId) {
-						return d.flowId;
-					} else {
-						return '0x--';
-					}
-				}
-			})
-			.classed('pending', function (d) {
-				return d && (d.createPending || d.deletePending);
-			});
-
-		row.select('.srcDPID')
-			.text(function (d) {
-				if (d) {
-					return d.srcDpid;
-				}
-			});
-
-		row.select('.dstDPID')
-			.text(function (d) {
-				if (d) {
-					return d.dstDpid;
-				}
-			});
-	}
-
-	var flows = d3.select('#selectedFlows')
-		.selectAll('.selectedFlow')
-		.data(selectedFlows);
-
-	flows.enter()
-		.append('div')
-		.classed('selectedFlow', true)
-		.each(rowEnter);
-
-	flows.each(rowUpdate);
-
-	flows.exit().remove();
-}
-
-// TODO: cancel the interval when the flow is desel
-function startIPerfForFlow(flow) {
-	var duration = 10000; // seconds
-	var interval = 100; // ms. this is defined by the server
-	var updateRate = 2000; // ms
-	var pointsToDisplay = 1000;
-
-	function makePoints() {
-		var pts = [];
-		var i;
-		for (i=0; i < pointsToDisplay; ++i) {
-			var sample = flow.iperfData.samples[i];
-			var height = 30 * sample/1000000;
-			if (height > 30)
-				height = 30;
-			pts.push({
-				x: i * 1000/(pointsToDisplay-1),
-				y: 32 - height
-			})
-		}
-		return pts;
-	}
-
-	if (flow.flowId) {
-		console.log('starting iperf for: ' + flow.flowId);
-		startIPerf(flow, duration, updateRate/interval);
-		flow.iperfDisplayInterval = setInterval(function () {
-			if (flow.iperfData) {
-				while (flow.iperfData.samples.length < pointsToDisplay) {
-					flow.iperfData.samples.push(0);
-				}
-				var iperfPath = d3.select(document.getElementById(makeSelectedFlowKey(flow))).select('path');
-				iperfPath.attr('d', line(makePoints()));
-				flow.iperfData.samples.shift();
-			}
-
-
-		}, interval);
-		flow.iperfFetchInterval = setInterval(function () {
-			getIPerfData(flow, function (data) {
-				try {
-					if (!flow.iperfData) {
-						flow.iperfData = {
-							samples: []
-						};
-						var i;
-						for (i = 0; i < pointsToDisplay; ++i) {
-							flow.iperfData.samples.push(0);
-						}
-					}
-
-					var iperfData = JSON.parse(data);
-
-//				console.log(iperfData.timestamp);
-
-					// if the data is fresh
-					if (flow.iperfData.timestamp && iperfData.timestamp != flow.iperfData.timestamp) {
-
-						while (flow.iperfData.samples.length > pointsToDisplay + iperfData.samples.length) {
-							flow.iperfData.samples.shift();
-						}
-
-						iperfData.samples.forEach(function (s) {
-							flow.iperfData.samples.push(s);
-						});
-					}
-					flow.iperfData.timestamp = iperfData.timestamp;
-				} catch (e) {
-					console.log('bad iperf data: ' + data);
-				}
-//				console.log(data);
-			});
-		}, updateRate/2); // over sample to avoid gaps
-	}
-}
-
-function updateSelectedFlows() {
-	// make sure that all of the selected flows are either
-	// 1) valid (meaning they are in the latest list of flows)
-	// 2) pending
-	if (model) {
-		var flowMap = {};
-		model.flows.forEach(function (flow) {
-			flowMap[makeFlowKey(flow)] = flow;
-		});
-
-		var newSelectedFlows = [];
-		selectedFlows.forEach(function (flow) {
-			if (flow) {
-				var liveFlow = flowMap[makeFlowKey(flow)];
-				if (liveFlow) {
-					newSelectedFlows.push(liveFlow);
-					liveFlow.deletePending = flow.deletePending;
-					liveFlow.iperfFetchInterval = flow.iperfFetchInterval;
-					liveFlow.iperfDisplayInterval = flow.iperfDisplayInterval;
-				} else if (flow.createPending) {
-					newSelectedFlows.push(flow);
-				} else if (hasIPerf(flow)) {
-					clearIPerf(flow);
-				}
-			}
-		});
-		selectedFlows = newSelectedFlows;
-	}
-	selectedFlows.forEach(function (flow) {
-		if (!hasIPerf(flow)) {
-			startIPerfForFlow(flow);
-		}
-	});
-	while (selectedFlows.length < 3) {
-		selectedFlows.push(null);
-	}
-
-	updateSelectedFlowsTable();
-	updateSelectedFlowsTopology();
-}
-
-function selectFlow(flow) {
-	var flowKey = makeFlowKey(flow);
-	var alreadySelected = false;
-	selectedFlows.forEach(function (f) {
-		if (f && makeFlowKey(f) === flowKey) {
-			alreadySelected = true;
-		}
-	});
-
-	if (!alreadySelected) {
-		selectedFlows.unshift(flow);
-		selectedFlows = selectedFlows.slice(0, 3);
-		updateSelectedFlows();
-	}
-}
-
-function hasIPerf(flow) {
-	return flow && flow.iperfFetchInterval;
-}
-
-function clearIPerf(flow) {
-	console.log('clearing iperf interval for: ' + flow.flowId);
-	clearInterval(flow.iperfFetchInterval);
-	delete flow.iperfFetchInterval;
-	clearInterval(flow.iperfDisplayInterval);
-	delete flow.iperfDisplayInterval;
-	delete flow.iperfData;
-}
-
-function deselectFlow(flow, ifCreatePending) {
-	var flowKey = makeFlowKey(flow);
-	var newSelectedFlows = [];
-	selectedFlows.forEach(function (flow) {
-		if (!flow ||
-				flowKey !== makeFlowKey(flow) ||
-				flowKey === makeFlowKey(flow) && ifCreatePending && !flow.createPending ) {
-			newSelectedFlows.push(flow);
-		} else {
-			if (hasIPerf(flow)) {
-				clearIPerf(flow);
-			}
-		}
-	});
-	selectedFlows = newSelectedFlows;
-	while (selectedFlows.length < 3) {
-		selectedFlows.push(null);
-	}
-
-	updateSelectedFlows();
-}
-
-function deselectFlowIfCreatePending(flow) {
-	deselectFlow(flow, true);
-}
-
-function showFlowChooser() {
-	function rowEnter(d) {
-		var row = d3.select(this);
-
-		row.append('div')
-			.classed('black-eye', true).
-			on('click', function () {
-				selectFlow(d);
-			});
-
-		row.append('div')
-			.classed('flowId', true)
-			.text(function (d) {
-				return d.flowId;
-			});
-
-		row.append('div')
-			.classed('srcDPID', true)
-			.text(function (d) {
-				return d.srcDpid;
-			});
-
-
-		row.append('div')
-			.classed('dstDPID', true)
-			.text(function (d) {
-				return d.dstDpid;
-			});
-
-	}
-
-	var flows = d3.select('#flowChooser')
-		.append('div')
-		.style('pointer-events', 'auto')
-		.selectAll('.selectedFlow')
-		.data(model.flows)
-		.enter()
-		.append('div')
-		.classed('selectedFlow', true)
-		.each(rowEnter);
-
-	setTimeout(function () {
-		d3.select(document.body).on('click', function () {
-			d3.select('#flowChooser').html('');
-			d3.select(document.body).on('click', null);
-		});
-	}, 0);
-}
-
-
-
-function updateHeader(model) {
-	d3.select('#lastUpdate').text(new Date());
-	d3.select('#activeSwitches').text(model.edgeSwitches.length + model.aggregationSwitches.length + model.coreSwitches.length);
-	d3.select('#activeFlows').text(model.flows.length);
-}
-
-function toRadians (angle) {
-  return angle * (Math.PI / 180);
-}
-
-var widths = {
-	edge: 6,
-	aggregation: 12,
-	core: 18
-}
-
-function createRingsFromModel(model) {
-	var rings = [{
-		radius: 3,
-		width: widths.edge,
-		switches: model.edgeSwitches,
-		className: 'edge',
-		angles: []
-	}, {
-		radius: 2.25,
-		width: widths.aggregation,
-		switches: model.aggregationSwitches,
-		className: 'aggregation',
-		angles: []
-	}, {
-		radius: 0.75,
-		width: widths.core,
-		switches: model.coreSwitches,
-		className: 'core',
-		angles: []
-	}];
-
-
-	var aggRanges = {};
-
-	// arrange edge switches at equal increments
-	var k = 360 / rings[0].switches.length;
-	rings[0].switches.forEach(function (s, i) {
-		var angle = k * i;
-
-		rings[0].angles[i] = angle;
-
-		// record the angle for the agg switch layout
-		var dpid = s.dpid.split(':');
-		dpid[7] = '01'; // the last component of the agg switch is always '01'
-		var aggdpid = dpid.join(':');
-		var aggRange = aggRanges[aggdpid];
-		if (!aggRange) {
-			aggRange = aggRanges[aggdpid] = {};
-			aggRange.min = aggRange.max = angle;
-		} else {
-			aggRange.max = angle;
-		}
-	});
-
-	// arrange aggregation switches to "fan out" to edge switches
-	k = 360 / rings[1].switches.length;
-	rings[1].switches.forEach(function (s, i) {
-//		rings[1].angles[i] = k * i;
-		var range = aggRanges[s.dpid];
-
-		rings[1].angles[i] = (range.min + range.max)/2;
-	});
-
-	// find the association between core switches and aggregation switches
-	var aggregationSwitchMap = {};
-	model.aggregationSwitches.forEach(function (s, i) {
-		aggregationSwitchMap[s.dpid] = i;
-	});
-
-	// put core switches next to linked aggregation switches
-	k = 360 / rings[2].switches.length;
-	rings[2].switches.forEach(function (s, i) {
-//		rings[2].angles[i] = k * i;
-		var associatedAggregationSwitches = model.configuration.association[s.dpid];
-		// TODO: go between if there are multiple
-		var index = aggregationSwitchMap[associatedAggregationSwitches[0]];
-
-		rings[2].angles[i] = rings[1].angles[index];
-	});
-
-	// TODO: construct this form initially rather than converting. it works better because
-	// it allows binding by dpid
-	var testRings = [];
-	rings.forEach(function (ring) {
-		var testRing = [];
-		ring.switches.forEach(function (s, i) {
-			var testSwitch = {
-				dpid: s.dpid,
-				state: s.state,
-				radius: ring.radius,
-				width: ring.width,
-				className: ring.className,
-				angle: ring.angles[i],
-				controller: s.controller
-			};
-			testRing.push(testSwitch);
-		});
-
-
-		testRings.push(testRing);
-	});
-
-
-//	return rings;
-	return testRings;
-}
-
-function makeLinkKey(link) {
-	return link['src-switch'] + '=>' + link['dst-switch'];
-}
-
-function makeFlowKey(flow) {
-	return flow.srcDpid + '=>' + flow.dstDpid;
-}
-
-function makeSelectedFlowKey(flow) {
-	return 'S' + makeFlowKey(flow);
-}
-
-function createLinkMap(links) {
-	var linkMap = {};
-	links.forEach(function (link) {
-		var srcDPID = link['src-switch'];
-		var dstDPID = link['dst-switch'];
-
-		var srcMap = linkMap[srcDPID] || {};
-
-		srcMap[dstDPID] = link;
-
-		linkMap[srcDPID]  = srcMap;
-	});
-	return linkMap;
-}
-
-// removes links from the pending list that are now in the model
-function reconcilePendingLinks(model) {
-	var links = [];
-	model.links.forEach(function (link) {
-		links.push(link);
-		delete pendingLinks[makeLinkKey(link)]
-	})
-	var linkId;
-	for (linkId in pendingLinks) {
-		links.push(pendingLinks[linkId]);
-	}
-	return links
-}
-
-updateTopology = function() {
-
-	// DRAW THE SWITCHES
-	var rings = svg.selectAll('.ring').data(createRingsFromModel(model));
-
-	var links = reconcilePendingLinks(model);
-	var linkMap = createLinkMap(links);
-
-	function mouseOverSwitch(data) {
-
-		d3.event.preventDefault();
-
-		d3.select(document.getElementById(data.dpid + '-label')).classed('nolabel', false);
-
-		if (data.highlighted) {
-			return;
-		}
-
-		// only highlight valid link or flow destination by checking for class of existing highlighted circle
-		var highlighted = svg.selectAll('.highlight')[0];
-		if (highlighted.length == 1) {
-			var s = d3.select(highlighted[0]).select('circle');
-			// only allow links
-			// 	edge->edge (flow)
-			//  aggregation->core
-			//	core->core
-			if (data.className == 'edge' && !s.classed('edge') ||
-				data.className == 'core' && !s.classed('core') && !s.classed('aggregation') ||
-				data.className == 'aggregation' && !s.classed('core')) {
-				return;
-			}
-
-			// don't highlight if there's already a link or flow
-			// var map = linkMap[data.dpid];
-			// console.log(map);
-			// console.log(s.data()[0].dpid);
-			// console.log(map[s.data()[0].dpid]);
-			// if (map && map[s.data()[0].dpid]) {
-			// 	return;
-			// }
-
-			// the second highlighted switch is the target for a link or flow
-			data.target = true;
-		}
-
-		var node = d3.select(document.getElementById(data.dpid));
-		node.classed('highlight', true).select('circle').transition().duration(100).attr("r", widths.core);
-		data.highlighted = true;
-		node.moveToFront();
-	}
-
-	function mouseOutSwitch(data) {
-		d3.select(document.getElementById(data.dpid + '-label')).classed('nolabel', true);
-
-		if (data.mouseDown)
-			return;
-
-		var node = d3.select(document.getElementById(data.dpid));
-		node.classed('highlight', false).select('circle').transition().duration(100).attr("r", widths[data.className]);
-		data.highlighted = false;
-		data.target = false;
-	}
-
-	function mouseDownSwitch(data) {
-		mouseOverSwitch(data);
-		data.mouseDown = true;
-		d3.select('#topology').classed('linking', true);
-
-		d3.select('svg')
-			.append('svg:path')
-			.attr('id', 'linkVector')
-			.attr('d', function () {
-				var s = d3.select(document.getElementById(data.dpid));
-
-				var pt = document.querySelector('svg').createSVGPoint();
-				pt.x = s.attr('x');
-				pt.y = s.attr('y');
-				pt = pt.matrixTransform(s[0][0].getCTM());
-
-				return line([pt, pt]);
-			});
-
-
-		if (data.className === 'core') {
-			d3.selectAll('.edge').classed('nodrop', true);
-		}
-		if (data.className === 'edge') {
-			d3.selectAll('.core').classed('nodrop', true);
-			d3.selectAll('.aggregation').classed('nodrop', true);
-		}
-		if (data.className === 'aggregation') {
-			d3.selectAll('.edge').classed('nodrop', true);
-			d3.selectAll('.aggregation').classed('nodrop', true);
-		}
-	}
-
-	function mouseUpSwitch(data) {
-		if (data.mouseDown) {
-			data.mouseDown = false;
-			d3.select('#topology').classed('linking', false);
-			d3.event.stopPropagation();
-			d3.selectAll('.nodrop').classed('nodrop', false);
-		}
-	}
-
-	function doubleClickSwitch(data) {
-		var circle = d3.select(document.getElementById(data.dpid)).select('circle');
-		if (data.state == 'ACTIVE') {
-			var prompt = 'Deactivate ' + data.dpid + '?';
-			if (confirm(prompt)) {
-				switchDown(data);
-				setPending(circle);
-			}
-		} else {
-			var prompt = 'Activate ' + data.dpid + '?';
-			if (confirm(prompt)) {
-				switchUp(data);
-				setPending(circle);
-			}
-		}
-	}
-
-	function ringEnter(data, i) {
-		if (!data.length) {
-			return;
-		}
-
-		// create the nodes
-		var nodes = d3.select(this).selectAll("g")
-			.data(data, function (data) {
-				return data.dpid;
-			})
-			.enter().append("svg:g")
-			.attr("id", function (data, i) {
-				return data.dpid;
-			})
-			.attr("transform", function(data, i) {
-				return "rotate(" + data.angle+ ")translate(" + data.radius * 150 + ")rotate(" + (-data.angle) + ")";
-			});
-
-		// add the cirles representing the switches
-		nodes.append("svg:circle")
-			.attr("transform", function(data, i) {
-				var m = document.querySelector('#viewbox').getTransformToElement().inverse();
-				if (data.scale) {
-					m = m.scale(data.scale);
-				}
-				return "matrix( " + m.a + " " + m.b + " " + m.c + " " + m.d + " " + m.e + " " + m.f + " )";
-			})
-			.attr("x", function (data) {
-				return -data.width / 2;
-			})
-			.attr("y", function (data) {
-				return -data.width / 2;
-			})
-			.attr("r", function (data) {
-				return data.width;
-			});
-
-		// setup the mouseover behaviors
-		nodes.on('mouseover', mouseOverSwitch);
-		nodes.on('mouseout', mouseOutSwitch);
-		nodes.on('mouseup', mouseUpSwitch);
-		nodes.on('mousedown', mouseDownSwitch);
-
-		// only do switch up/down for core switches
-		if (i == 2) {
-			nodes.on('dblclick', doubleClickSwitch);
-		}
-	}
-
-	// append switches
-	rings.enter().append("svg:g")
-		.attr("class", "ring")
-		.each(ringEnter);
-
-
-	function ringUpdate(data, i) {
-		var nodes = d3.select(this).selectAll("g")
-			.data(data, function (data) {
-				return data.dpid;
-			});
-		nodes.select('circle')
-			.each(function (data) {
-				// if there's a pending state changed and then the state changes, clear the pending class
-				var circle = d3.select(this);
-				if (data.state === 'ACTIVE' && circle.classed('inactive') ||
-					data.state === 'INACTIVE' && circle.classed('active')) {
-					circle.classed('pending', false);
-				}
-			})
-			.attr('class', function (data)  {
-				if (data.state === 'ACTIVE' && data.controller) {
-					return data.className + ' active ' + controllerColorMap[data.controller];
-				} else {
-					return data.className + ' inactive ' + 'colorInactive';
-				}
-			});
-	}
-
-	// update  switches
-	rings.each(ringUpdate);
-
-
-	// Now setup the labels
-	// This is done separately because SVG draws in node order and we want the labels
-	// always on top
-	var labelRings = svg.selectAll('.labelRing').data(createRingsFromModel(model));
-
-	d3.select(document.body).on('mousemove', function () {
-		if (!d3.select('#topology').classed('linking')) {
-			return;
-		}
-		var linkVector = document.getElementById('linkVector');
-		if (!linkVector) {
-			return;
-		}
-		linkVector = d3.select(linkVector);
-
-		var highlighted = svg.selectAll('.highlight')[0];
-		var s1 = null, s2 = null;
-		if (highlighted.length > 1) {
-			var s1 = d3.select(highlighted[0]);
-			var s2 = d3.select(highlighted[1]);
-
-		} else if (highlighted.length > 0) {
-			var s1 = d3.select(highlighted[0]);
-		}
-		var src = s1;
-		if (s2 && !s2.data()[0].target) {
-			src = s2;
-		}
-		if (src) {
-			linkVector.attr('d', function () {
-					var srcPt = document.querySelector('svg').createSVGPoint();
-					srcPt.x = src.attr('x');
-					srcPt.y = src.attr('y');
-					srcPt = srcPt.matrixTransform(src[0][0].getCTM());
-
-					var svg = document.getElementById('topology');
-					var mouse = d3.mouse(viewbox);
-					var dstPt = document.querySelector('svg').createSVGPoint();
-					dstPt.x = mouse[0];
-					dstPt.y = mouse[1];
-					dstPt = dstPt.matrixTransform(viewbox.getCTM());
-
-					return line([srcPt, dstPt]);
-				});
-		}
-	});
-
-	d3.select(document.body).on('mouseup', function () {
-		function clearHighlight() {
-			svg.selectAll('circle').each(function (data) {
-				data.mouseDown = false;
-				d3.select('#topology').classed('linking', false);
-				mouseOutSwitch(data);
-			});
-			d3.select('#linkVector').remove();
-		};
-
-		d3.selectAll('.nodrop').classed('nodrop', false);
-
-		function removeLink(link) {
-			var path1 = document.getElementById(link['src-switch'] + '=>' + link['dst-switch']);
-			var path2 = document.getElementById(link['dst-switch'] + '=>' + link['src-switch']);
-
-			if (path1) {
-				setPending(d3.select(path1));
-			}
-			if (path2) {
-				setPending(d3.select(path2));
-			}
-
-			linkDown(link);
-		}
-
-
-		var highlighted = svg.selectAll('.highlight')[0];
-		if (highlighted.length == 2) {
-			var s1Data = highlighted[0].__data__;
-			var s2Data = highlighted[1].__data__;
-
-			var srcData, dstData;
-			if (s1Data.target) {
-				dstData = s1Data;
-				srcData = s2Data;
-			} else {
-				dstData = s2Data;
-				srcData = s1Data;
-			}
-
-			if (s1Data.className == 'edge' && s2Data.className == 'edge') {
-				var prompt = 'Create flow from ' + srcData.dpid + ' to ' + dstData.dpid + '?';
-				if (confirm(prompt)) {
-					addFlow(srcData, dstData);
-
-					var flow = {
-						dataPath: {
-							srcPort: {
-								dpid: {
-									value: srcData.dpid
-								}
-							},
-							dstPort: {
-								dpid: {
-									value: dstData.dpid
-								}
-							}
-						},
-					        srcDpid: srcData.dpid,
-					        dstDpid: dstData.dpid,
-						createPending: true
-					};
-
-					selectFlow(flow);
-
-					setTimeout(function () {
-						deselectFlowIfCreatePending(flow);
-					}, pendingTimeout);
-				}
-			} else {
-				var map = linkMap[srcData.dpid];
-				if (map && map[dstData.dpid]) {
-					var prompt = 'Remove link between ' + srcData.dpid + ' and ' + dstData.dpid + '?';
-					if (confirm(prompt)) {
-						removeLink(map[dstData.dpid]);
-					}
-				} else {
-					map = linkMap[dstData.dpid];
-					if (map && map[srcData.dpid]) {
-						var prompt = 'Remove link between ' + dstData.dpid + ' and ' + srcData.dpid + '?';
-						if (confirm(prompt)) {
-							removeLink(map[srcData.dpid]);
-						}
-					} else {
-						var prompt = 'Create link between ' + srcData.dpid + ' and ' + dstData.dpid + '?';
-						if (confirm(prompt)) {
-							var link1 = {
-								'src-switch': srcData.dpid,
-								'src-port': 1,
-								'dst-switch': dstData.dpid,
-								'dst-port': 1,
-								pending: true
-							};
-							pendingLinks[makeLinkKey(link1)] = link1;
-							var link2 = {
-								'src-switch': dstData.dpid,
-								'src-port': 1,
-								'dst-switch': srcData.dpid,
-								'dst-port': 1,
-								pending: true
-							};
-							pendingLinks[makeLinkKey(link2)] = link2;
-							updateTopology();
-
-							linkUp(link1);
-
-							// remove the pending links after 10s
-							setTimeout(function () {
-								delete pendingLinks[makeLinkKey(link1)];
-								delete pendingLinks[makeLinkKey(link2)];
-
-								updateTopology();
-							}, pendingTimeout);
-						}
-					}
-				}
-			}
-
-			clearHighlight();
-		} else {
-			clearHighlight();
-		}
-
-	});
-
-	function labelRingEnter(data) {
-		if (!data.length) {
-			return;
-		}
-
-		// create the nodes
-		var nodes = d3.select(this).selectAll("g")
-			.data(data, function (data) {
-				return data.dpid;
-			})
-			.enter().append("svg:g")
-			.classed('nolabel', true)
-			.attr("id", function (data) {
-				return data.dpid + '-label';
-			})
-			.attr("transform", function(data, i) {
-				return "rotate(" + data.angle+ ")translate(" + data.radius * 150 + ")rotate(" + (-data.angle) + ")";
-			})
-
-		// add the text nodes which show on mouse over
-		nodes.append("svg:text")
-				.text(function (data) {return data.dpid;})
-				.attr("x", function (data) {
-					if (data.angle <= 90 || data.angle >= 270 && data.angle <= 360) {
-						if (data.className == 'edge') {
-							return - data.width*3 - 4;
-						} else {
-							return - data.width - 4;
-						}
-					} else {
-						if (data.className == 'edge') {
-							return data.width*3 + 4;
-						} else {
-							return data.width + 4;
-						}
-					}
-				})
-				.attr("y", function (data) {
-					var y;
-					if (data.angle <= 90 || data.angle >= 270 && data.angle <= 360) {
-						if (data.className == 'edge') {
-							y = data.width*3/2 + 4;
-						} else {
-							y = data.width/2 + 4;
-						}
-					} else {
-						if (data.className == 'edge') {
-							y = data.width*3/2 + 4;
-						} else {
-							y = data.width/2 + 4;
-						}
-					}
-					return y - 6;
-				})
-				.attr("text-anchor", function (data) {
-					if (data.angle <= 90 || data.angle >= 270 && data.angle <= 360) {
-						return "end";
-					} else {
-						return "start";
-					}
-				})
-				.attr("transform", function(data) {
-					var m = document.querySelector('#viewbox').getTransformToElement().inverse();
-					if (data.scale) {
-						m = m.scale(data.scale);
-					}
-					return "matrix( " + m.a + " " + m.b + " " + m.c + " " + m.d + " " + m.e + " " + m.f + " )";
-				})
-	}
-
-	labelRings.enter().append("svg:g")
-		.attr("class", "textRing")
-		.each(labelRingEnter);
-
-	// switches should not change during operation of the ui so no
-	// rings.exit()
-
-
-	// DRAW THE LINKS
-
-	// key on link dpids since these will come/go during demo
-	var links = d3.select('svg').selectAll('.link').data(links, function (d) {
-			return d['src-switch']+'->'+d['dst-switch'];
-	});
-
-	// add new links
-	links.enter().append("svg:path")
-	.attr("class", "link");
-
-	links.attr('id', function (d) {
-			return makeLinkKey(d);
-		})
-		.attr("d", function (d) {
-			var src = d3.select(document.getElementById(d['src-switch']));
-			var dst = d3.select(document.getElementById(d['dst-switch']));
-
-			var srcPt = document.querySelector('svg').createSVGPoint();
-			srcPt.x = src.attr('x');
-			srcPt.y = src.attr('y');
-			srcPt = srcPt.matrixTransform(src[0][0].getCTM());
-
-			var dstPt = document.querySelector('svg').createSVGPoint();
-			dstPt.x = dst.attr('x');
-			dstPt.y = dst.attr('y');
-			dstPt = dstPt.matrixTransform(dst[0][0].getCTM());
-
-			var midPt = document.querySelector('svg').createSVGPoint();
-			midPt.x = (srcPt.x + dstPt.x)/2;
-			midPt.y = (srcPt.y + dstPt.y)/2;
-
-			return line([srcPt, midPt, dstPt]);
-		})
-		.attr("marker-mid", function(d) { return "url(#arrow)"; })
-		.classed('pending', function (d) {
-			return d.pending;
-		});
-
-
-	// remove old links
-	links.exit().remove();
-}
-
-function updateControllers() {
-	var controllers = d3.select('#controllerList').selectAll('.controller').data(model.controllers);
-	controllers.enter().append('div')
-		.each(function (c) {
-			controllerColorMap[c] = colors.pop();
-			d3.select(document.body).classed(controllerColorMap[c] + '-selected', true);
-		})
-		.text(function (d) {
-			return d;
-		})
-		.append('div')
-		.attr('class', 'black-eye');
-
-	controllers.attr('class', function (d) {
-			var color = 'colorInactive';
-			if (model.activeControllers.indexOf(d) != -1) {
-				color = controllerColorMap[d];
-			}
-			var className = 'controller ' + color;
-			return className;
-		});
-
-	// this should never be needed
-	// controllers.exit().remove();
-
-	controllers.on('dblclick', function (c) {
-		if (model.activeControllers.indexOf(c) != -1) {
-			var prompt = 'Dectivate ' + c + '?';
-			if (confirm(prompt)) {
-				controllerDown(c);
-				setPending(d3.select(this));
-			};
-		} else {
-			var prompt = 'Activate ' + c + '?';
-			if (confirm(prompt)) {
-				controllerUp(c);
-				setPending(d3.select(this));
-			};
-		}
-	});
-
-	controllers.select('.black-eye').on('click', function (c) {
-		var allSelected = true;
-		for (var key in controllerColorMap) {
-			if (!d3.select(document.body).classed(controllerColorMap[key] + '-selected')) {
-				allSelected = false;
-				break;
-			}
-		}
-		if (allSelected) {
-			for (var key in controllerColorMap) {
-				d3.select(document.body).classed(controllerColorMap[key] + '-selected', key == c)
-			}
-		} else {
-			for (var key in controllerColorMap) {
-				d3.select(document.body).classed(controllerColorMap[key] + '-selected', true)
-			}
-		}
-
-		// var selected = d3.select(document.body).classed(controllerColorMap[c] + '-selected');
-		// d3.select(document.body).classed(controllerColorMap[c] + '-selected', !selected);
-	});
-
-
-}
-
-var modelString;
-function sync(svg) {
+function sync() {
 	var d = Date.now();
+
 	updateModel(function (newModel) {
 //		console.log('Update time: ' + (Date.now() - d)/1000 + 's');
 
@@ -1222,30 +25,30 @@
 			}
 
 			updateHeader(newModel);
+
+			d3.select('#contents').style('visibility', 'visible');
 		}
 
 		// do it again in 1s
 		setTimeout(function () {
-			sync(svg)
+			sync()
 		}, 1000);
 	});
 }
 
-svg = createTopologyView();
-updateSelectedFlows();
+appInit(function () {
+	// workaround for Chrome v25 bug
+	// if executed immediately, the view box transform logic doesn't work properly
+	// fixed in Chrome v27
+	setTimeout(function () {
 
-d3.select('#showFlowChooser').on('click', function () {
-	showFlowChooser();
+		// workaround for another Chrome v25 bug
+		// viewbox transform stuff doesn't work in combination with browser zoom
+		// also works in Chrome v27
+		d3.select('#svg-container').style('zoom',  window.document.body.clientWidth/window.document.width);
+
+		sync();
+	}, 100);
 });
 
 
-// workaround for Chrome v25 bug
-// if executed immediately, the view box transform logic doesn't work properly
-// fixed in Chrome v27
-setTimeout(function () {
-	// workaround for another Chrome v25 bug
-	// viewbox transform stuff doesn't work in combination with browser zoom
-	// also works in Chrome v27
-	d3.select('#svg-container').style('zoom',  window.document.body.clientWidth/window.document.width);
-	sync(svg);
-}, 100);
diff --git a/web/ons-demo/js/constants.js b/web/ons-demo/js/constants.js
new file mode 100644
index 0000000..0ef0882
--- /dev/null
+++ b/web/ons-demo/js/constants.js
@@ -0,0 +1,30 @@
+/***************************************************************************************************
+timeout used by controller functions. after the timeout expires the "pending" action
+is removed and the topology view is whatever is reported by the API
+***************************************************************************************************/
+var pendingTimeout = 30000;
+
+/***************************************************************************************************
+CSS names for the pallette of colors used by the topology view
+***************************************************************************************************/
+var colors = [
+	'color1',
+	'color2',
+	'color3',
+	'color4',
+	'color7',
+	'color8',
+	'color9',
+//	'color11',
+	'color12'
+];
+colors.reverse();
+
+/***************************************************************************************************
+Widths of each switch type
+***************************************************************************************************/
+var widths = {
+	edge: 6,
+	aggregation: 12,
+	core: 18
+}
\ No newline at end of file
diff --git a/web/ons-demo/js/controller.js b/web/ons-demo/js/controller.js
index fbc381e..211fa97 100644
--- a/web/ons-demo/js/controller.js
+++ b/web/ons-demo/js/controller.js
@@ -50,6 +50,10 @@
 		var flowId = parseInt(flow.flowId, 16);
 		var url = '/proxy/gui/iperf/rate/' + flowId;
 		callURL(url, cb);
+	},
+	switchControllerCmd: function (cmd) {
+		var url = '/proxy/gui/switchctrl/' + cmd;
+		callURL(url);
 	}
 };
 
@@ -92,3 +96,12 @@
 function getIPerfData(flow, cb) {
 	controllerFunctions.getIPerfDataCmd(flow, cb);
 }
+
+function switchLocal() {
+	controllerFunctions.switchControllerCmd('local');
+}
+
+function switchAll() {
+	controllerFunctions.switchControllerCmd('all');
+}
+
diff --git a/web/ons-demo/js/controllers.js b/web/ons-demo/js/controllers.js
new file mode 100644
index 0000000..abe966b
--- /dev/null
+++ b/web/ons-demo/js/controllers.js
@@ -0,0 +1,65 @@
+function updateControllers() {
+	var controllers = d3.select('#controllers').selectAll('.controller').data(model.controllers);
+	controllers.enter().append('div')
+		.each(function (c) {
+			controllerColorMap[c] = colors.pop();
+			d3.select(document.body).classed(controllerColorMap[c] + '-selected', true);
+		})
+		.text(function (d) {
+			return d;
+		})
+		.append('div')
+		.attr('class', 'black-eye');
+
+	controllers.attr('class', function (d) {
+			var color = 'colorInactive';
+			if (model.activeControllers.indexOf(d) != -1) {
+				color = controllerColorMap[d];
+			}
+			var className = 'controller ' + color;
+			return className;
+		});
+
+	// this should never be needed
+	// controllers.exit().remove();
+
+	controllers.on('dblclick', function (c) {
+		if (model.activeControllers.indexOf(c) != -1) {
+			var prompt = 'Dectivate ' + c + '?';
+			if (confirm(prompt)) {
+				controllerDown(c);
+				setPending(d3.select(this));
+			};
+		} else {
+			var prompt = 'Activate ' + c + '?';
+			if (confirm(prompt)) {
+				controllerUp(c);
+				setPending(d3.select(this));
+			};
+		}
+	});
+
+	controllers.select('.black-eye').on('click', function (c) {
+		var allSelected = true;
+		for (var key in controllerColorMap) {
+			if (!d3.select(document.body).classed(controllerColorMap[key] + '-selected')) {
+				allSelected = false;
+				break;
+			}
+		}
+		if (allSelected) {
+			for (var key in controllerColorMap) {
+				d3.select(document.body).classed(controllerColorMap[key] + '-selected', key == c)
+			}
+		} else {
+			for (var key in controllerColorMap) {
+				d3.select(document.body).classed(controllerColorMap[key] + '-selected', true)
+			}
+		}
+
+		// var selected = d3.select(document.body).classed(controllerColorMap[c] + '-selected');
+		// d3.select(document.body).classed(controllerColorMap[c] + '-selected', !selected);
+	});
+
+
+}
\ No newline at end of file
diff --git a/web/ons-demo/js/debug.js b/web/ons-demo/js/debug.js
new file mode 100644
index 0000000..7b66912
--- /dev/null
+++ b/web/ons-demo/js/debug.js
@@ -0,0 +1,12 @@
+/***************************************************************************************************
+find the links that include the switch with this dpid
+***************************************************************************************************/
+function debug_findlink(model, dpid) {
+	var links = [];
+	model.links.forEach(function (link) {
+		if (link['src-switch'] == dpid || link['dst-switch'] == dpid) {
+			links.push(link);
+		}
+	});
+	return links;
+}
\ No newline at end of file
diff --git a/web/ons-demo/js/flows.js b/web/ons-demo/js/flows.js
new file mode 100644
index 0000000..fa0ccf2
--- /dev/null
+++ b/web/ons-demo/js/flows.js
@@ -0,0 +1,449 @@
+function startFlowAnimation(flow) {
+	if (flow.select('animate').empty()) {
+		flow.append('svg:animate')
+			.attr('attributeName', 'stroke-dashoffset')
+			.attr('attributeType', 'xml')
+			.attr('from', '500')
+			.attr('to', '-500')
+			.attr('dur', '20s')
+			.attr('repeatCount', 'indefinite');
+	}
+}
+
+function stopFlowAnimation(flow) {
+	flow.select('animate').remove();
+}
+
+
+function updateSelectedFlowsTopology() {
+	// DRAW THE FLOWS
+	var topologyFlows = [];
+	selectedFlows.forEach(function (flow) {
+		if (flow) {
+			topologyFlows.push(flow);
+		}
+	});
+
+	var flows = flowLayer.selectAll('.flow').data(topologyFlows);
+
+	flows.enter().append("svg:path").attr('class', 'flow')
+		.attr('stroke-dasharray', '4, 10')
+
+	flows.exit().remove();
+
+	flows.attr('d', function (d) {
+			if (!d) {
+				return;
+			}
+			var pts = [];
+			if (d.createPending) {
+				// create a temporary vector to indicate the pending flow
+				var s1 = d3.select(document.getElementById(d.srcDpid));
+				var s2 = d3.select(document.getElementById(d.dstDpid));
+
+				var pt1 = document.querySelector('svg').createSVGPoint();
+				pt1.x = s1.attr('x');
+				pt1.y = s1.attr('y');
+				if (drawingRings) {
+					pt1 = pt1.matrixTransform(s1[0][0].getCTM());
+				}
+				pts.push(pt1);
+
+				var pt2 = document.querySelector('svg').createSVGPoint();
+				pt2.x = s2.attr('x');
+				pt2.y = s2.attr('y');
+				if (drawingRings) {
+					pt2 = pt2.matrixTransform(s2[0][0].getCTM());
+				}
+				pts.push(pt2);
+
+			} else if (d.dataPath && d.dataPath.flowEntries) {
+				d.dataPath.flowEntries.forEach(function (flowEntry) {
+					var s = d3.select(document.getElementById(flowEntry.dpid.value));
+					// s[0] is null if the flow entry refers to a non-existent switch
+					if (s[0][0]) {
+						var pt = document.querySelector('svg').createSVGPoint();
+						pt.x = s.attr('x');
+						pt.y = s.attr('y');
+						if (drawingRings) {
+							pt = pt.matrixTransform(s[0][0].getCTM());
+						}
+						pts.push(pt);
+					} else {
+						console.log('flow refers to non-existent switch: ' + flowEntry.dpid.value);
+					}
+				});
+			}
+			if (pts.length) {
+				return line(pts);
+			} else {
+				return "M0,0";
+			}
+		})
+		.attr('id', function (d) {
+			if (d) {
+				return makeFlowKey(d);
+			}
+		})
+		.classed('pending', function (d) {
+			return d && (d.createPending || d.deletePending);
+		});
+}
+
+function updateSelectedFlowsTable() {
+	function rowEnter(d) {
+		var row = d3.select(this);
+		row.append('div').classed('deleteFlow', true);
+		row.append('div').classed('flowId', true);
+		row.append('div').classed('srcDPID', true);
+		row.append('div').classed('dstDPID', true);
+		row.append('div').classed('iperf', true);
+
+		row.select('.iperf')
+			.append('div')
+			.attr('class', 'iperf-container')
+			.append('svg:svg')
+			.attr('viewBox', '0 0 1000 32')
+			.attr('preserveAspectRatio', 'none')
+			.append('svg:g')
+			.append('svg:path')
+			.attr('class', 'iperfdata');
+
+		row.on('mouseover', function (d) {
+			if (d) {
+				var path = document.getElementById(makeFlowKey(d));
+				d3.select(path).classed('highlight', true);
+			}
+		});
+		row.on('mouseout', function (d) {
+			if (d) {
+				var path = document.getElementById(makeFlowKey(d));
+				d3.select(path).classed('highlight', false);
+			}
+		});
+	}
+
+	function rowUpdate(d) {
+		var row = d3.select(this);
+		row.attr('id', function (d) {
+			if (d) {
+				return makeSelectedFlowKey(d);
+			}
+		});
+
+		if (!d || !hasIPerf(d)) {
+			row.select('.iperfdata')
+				.attr('d', 'M0,0');
+		}
+
+		row.select('.deleteFlow').on('click', function () {
+			deselectFlow(d);
+		});
+		row.on('dblclick', function () {
+			if (d) {
+				var prompt = 'Delete flow ' + d.flowId + '?';
+				if (confirm(prompt)) {
+					deleteFlow(d);
+					d.deletePending = true;
+					updateSelectedFlows();
+
+					setTimeout(function () {
+						d.deletePending = false;
+						updateSelectedFlows();
+					}, pendingTimeout)
+				};
+			}
+		});
+
+		row.select('.flowId')
+			.text(function (d) {
+				if (d) {
+					if (d.flowId) {
+						return d.flowId;
+					} else {
+						return '0x--';
+					}
+				}
+			})
+			.classed('pending', function (d) {
+				return d && (d.createPending || d.deletePending);
+			});
+
+		row.select('.srcDPID')
+			.text(function (d) {
+				if (d) {
+					return d.srcDpid;
+				}
+			});
+
+		row.select('.dstDPID')
+			.text(function (d) {
+				if (d) {
+					return d.dstDpid;
+				}
+			});
+	}
+
+	var flows = d3.select('#selectedFlows')
+		.selectAll('.selectedFlow')
+		.data(selectedFlows);
+
+	flows.enter()
+		.append('div')
+		.classed('selectedFlow', true)
+		.each(rowEnter);
+
+	flows.each(rowUpdate);
+
+	flows.exit().remove();
+}
+
+function startIPerfForFlow(flow) {
+	var duration = 10000; // seconds
+	var interval = 100; // ms. this is defined by the server
+	var updateRate = 2000; // ms
+	var pointsToDisplay = 1000;
+
+	function makePoints() {
+		var pts = [];
+		var i;
+		for (i=0; i < pointsToDisplay; ++i) {
+			var sample = flow.iperfData.samples[i];
+			var height = 28 * sample/1000000;
+			if (height > 28)
+				height = 28;
+			pts.push({
+				x: i * 1000/(pointsToDisplay-1),
+				y: 30 - height
+			})
+		}
+		return pts;
+	}
+
+	if (flow.flowId) {
+		console.log('starting iperf for: ' + flow.flowId);
+		startIPerf(flow, duration, updateRate/interval);
+		flow.iperfDisplayInterval = setInterval(function () {
+			if (flow.iperfData) {
+				while (flow.iperfData.samples.length < pointsToDisplay) {
+					flow.iperfData.samples.push(0);
+				}
+				var iperfPath = d3.select(document.getElementById(makeSelectedFlowKey(flow))).select('path');
+				iperfPath.attr('d', line(makePoints()));
+				flow.iperfData.samples.shift();
+			}
+
+
+		}, interval);
+
+		var animationTimeout;
+
+		flow.iperfFetchInterval = setInterval(function () {
+			getIPerfData(flow, function (data) {
+				try {
+					if (!flow.iperfData) {
+						flow.iperfData = {
+							samples: []
+						};
+						var i;
+						for (i = 0; i < pointsToDisplay; ++i) {
+							flow.iperfData.samples.push(0);
+						}
+					}
+
+					var iperfData = JSON.parse(data);
+
+//				console.log(iperfData.timestamp);
+
+					// if the data is fresh
+					if (flow.iperfData.timestamp && iperfData.timestamp != flow.iperfData.timestamp) {
+
+						var flowSelection = d3.select(document.getElementById(makeFlowKey(flow)));
+						startFlowAnimation(flowSelection);
+						clearTimeout(animationTimeout);
+						// kill the animation if iperfdata stops flowing
+						animationTimeout = setTimeout(function () {
+							stopFlowAnimation(flowSelection);
+						}, updateRate*1.5);
+
+						while (flow.iperfData.samples.length > pointsToDisplay + iperfData.samples.length) {
+							flow.iperfData.samples.shift();
+						}
+
+						iperfData.samples.forEach(function (s) {
+							flow.iperfData.samples.push(s);
+						});
+					}
+					flow.iperfData.timestamp = iperfData.timestamp;
+				} catch (e) {
+					console.log('bad iperf data: ' + data);
+				}
+//				console.log(data);
+			});
+		}, updateRate/2); // over sample to avoid gaps
+	}
+}
+
+function updateSelectedFlows() {
+	// make sure that all of the selected flows are either
+	// 1) valid (meaning they are in the latest list of flows)
+	// 2) pending
+	if (model) {
+		var flowMap = {};
+		model.flows.forEach(function (flow) {
+			flowMap[makeFlowKey(flow)] = flow;
+		});
+
+		var newSelectedFlows = [];
+		selectedFlows.forEach(function (flow) {
+			if (flow) {
+				var liveFlow = flowMap[makeFlowKey(flow)];
+				if (liveFlow) {
+					newSelectedFlows.push(liveFlow);
+					liveFlow.deletePending = flow.deletePending;
+					liveFlow.iperfFetchInterval = flow.iperfFetchInterval;
+					liveFlow.iperfDisplayInterval = flow.iperfDisplayInterval;
+				} else if (flow.createPending) {
+					newSelectedFlows.push(flow);
+				} else if (hasIPerf(flow)) {
+					clearIPerf(flow);
+				}
+			}
+		});
+		selectedFlows = newSelectedFlows;
+	}
+	selectedFlows.forEach(function (flow) {
+		if (!hasIPerf(flow)) {
+			startIPerfForFlow(flow);
+		}
+	});
+	while (selectedFlows.length < 3) {
+		selectedFlows.push(null);
+	}
+
+	updateSelectedFlowsTable();
+	// on app init, the table is updated before the svg is constructed
+	if (flowLayer) {
+		updateSelectedFlowsTopology();
+	}
+}
+
+function selectFlow(flow) {
+	var flowKey = makeFlowKey(flow);
+	var alreadySelected = false;
+	selectedFlows.forEach(function (f) {
+		if (f && makeFlowKey(f) === flowKey) {
+			alreadySelected = true;
+		}
+	});
+
+	if (!alreadySelected) {
+		selectedFlows.unshift(flow);
+		selectedFlows = selectedFlows.slice(0, 3);
+		updateSelectedFlows();
+	}
+}
+
+function hasIPerf(flow) {
+	return flow && flow.iperfFetchInterval;
+}
+
+function clearIPerf(flow) {
+	console.log('clearing iperf interval for: ' + flow.flowId);
+	clearInterval(flow.iperfFetchInterval);
+	delete flow.iperfFetchInterval;
+	clearInterval(flow.iperfDisplayInterval);
+	delete flow.iperfDisplayInterval;
+	delete flow.iperfData;
+}
+
+function deselectFlow(flow, ifCreatePending) {
+	if (!flow) {
+		return;
+	}
+
+	var flowKey = makeFlowKey(flow);
+	var newSelectedFlows = [];
+	selectedFlows.forEach(function (flow) {
+		if (!flow ||
+				flowKey !== makeFlowKey(flow) ||
+				flowKey === makeFlowKey(flow) && ifCreatePending && !flow.createPending ) {
+			newSelectedFlows.push(flow);
+		} else {
+			if (hasIPerf(flow)) {
+				clearIPerf(flow);
+			}
+		}
+	});
+	selectedFlows = newSelectedFlows;
+	while (selectedFlows.length < 3) {
+		selectedFlows.push(null);
+	}
+
+	updateSelectedFlows();
+}
+
+function deselectFlowIfCreatePending(flow) {
+	deselectFlow(flow, true);
+}
+
+function showFlowChooser() {
+	function rowEnter(d) {
+		var row = d3.select(this);
+
+		row.append('div')
+			.classed('black-eye', true).
+			on('click', function () {
+				selectFlow(d);
+			});
+
+		row.append('div')
+			.classed('flowId', true)
+			.text(function (d) {
+				return d.flowId;
+			});
+
+		row.append('div')
+			.classed('srcDPID', true)
+			.text(function (d) {
+				return d.srcDpid;
+			});
+
+
+		row.append('div')
+			.classed('dstDPID', true)
+			.text(function (d) {
+				return d.dstDpid;
+			});
+
+	}
+
+	var flowChooser = d3.select(document.getElementById('flowChooser'));
+	flowChooser.html('');
+	flowChooser.style('-webkit-transform', 'translate3d(-100%, 0, 0)')
+		.style('-webkit-transition');
+
+	var flows = flowChooser
+		.append('div')
+		.style('pointer-events', 'auto')
+		.selectAll('.selectedFlow')
+		.data(model.flows)
+		.enter()
+		.append('div')
+		.classed('selectedFlow', true)
+		.each(rowEnter);
+
+
+	setTimeout(function () {
+		flowChooser.style('-webkit-transition', '-webkit-transform .25s');
+		setTimeout(function () {
+			flowChooser.style('-webkit-transform', 'translate3d(0,0,0)');
+		}, 0);
+
+
+		d3.select(document.body).on('click', function () {
+			flowChooser.style('-webkit-transform', 'translate3d(-100%, 0, 0)')
+			d3.select(document.body).on('click', null);
+		});
+	}, 0);
+}
diff --git a/web/ons-demo/js/forward.js b/web/ons-demo/js/forward.js
new file mode 100644
index 0000000..5e854ee
--- /dev/null
+++ b/web/ons-demo/js/forward.js
@@ -0,0 +1,12 @@
+/***************************************************************************************************
+forward declarations for functions
+***************************************************************************************************/
+
+var updateTopology;
+
+
+/***************************************************************************************************
+defined by whichever topology module is included
+***************************************************************************************************/
+var createTopologyView;
+var drawTopology;
diff --git a/web/ons-demo/js/globals.js b/web/ons-demo/js/globals.js
new file mode 100644
index 0000000..2063ba5
--- /dev/null
+++ b/web/ons-demo/js/globals.js
@@ -0,0 +1,57 @@
+/***************************************************************************************************
+global variables
+***************************************************************************************************/
+
+
+/***************************************************************************************************
+the latest update to the model
+***************************************************************************************************/
+var model;
+
+/***************************************************************************************************
+cached JSON representation of the model. used to detect model changes and update the UI.
+***************************************************************************************************/
+var modelString;
+
+/***************************************************************************************************
+the root element for the topology view
+***************************************************************************************************/
+var topology;
+
+/***************************************************************************************************
+links that were created in the webui but which have not appeared in the links API response yet
+these timeout after pendingTimeout
+***************************************************************************************************/
+var pendingLinks = {};
+
+/***************************************************************************************************
+current links including pending
+***************************************************************************************************/
+var links;
+
+/***************************************************************************************************
+a map from srcDPID => map of dstDPID=>link
+***************************************************************************************************/
+var linkMap;
+
+/***************************************************************************************************
+the flows that are displayed in the selected flow table
+this may include pending flows which have not appeared in the flows API response yet
+***************************************************************************************************/
+var selectedFlows = [];
+
+/***************************************************************************************************
+a mapping from controller name to color used for color coding the topology and ONOS nodes views
+***************************************************************************************************/
+var controllerColorMap = {};
+
+/***************************************************************************************************
+defined by rings.js or map.js this is where the flows are drawn.
+***************************************************************************************************/
+var flowLayer;
+
+/***************************************************************************************************
+hack to make the old ring drawing code compatible with the shared flow drawing code
+will be obsoleted once the ring drawing code is disposed of
+***************************************************************************************************/
+var drawingRings;
\ No newline at end of file
diff --git a/web/ons-demo/js/init.js b/web/ons-demo/js/init.js
new file mode 100644
index 0000000..dd11bf8
--- /dev/null
+++ b/web/ons-demo/js/init.js
@@ -0,0 +1,29 @@
+function appInit(cb) {
+
+	// populates selected flows with empty rows
+	updateSelectedFlows();
+
+	d3.select('#showFlowChooser').on('click', function () {
+		showFlowChooser();
+	});
+
+	d3.select('#action-all').on('click', function () {
+		var prompt = "Switch controllers to all?"
+		if (confirm(prompt)) {
+			switchAll();
+		}
+	});
+
+	d3.select('#action-local').on('click', function () {
+		var prompt = "Switch controllers to local?"
+		if (confirm(prompt)) {
+			switchLocal();
+		}
+	});
+
+	d3.select('#action-scale').on('click', function () {
+		alert('scale')
+	});
+
+	createTopologyView(cb);
+}
diff --git a/web/ons-demo/js/map.js b/web/ons-demo/js/map.js
new file mode 100644
index 0000000..62df872
--- /dev/null
+++ b/web/ons-demo/js/map.js
@@ -0,0 +1,334 @@
+(function () {
+
+var projection = d3.geo.mercator()
+    .center([82, 46])
+    .scale(8000)
+    .rotate([-180,0]);
+
+var switchXML;
+
+function createMap(svg, cb) {
+	topology = svg.append('svg:svg').attr('id', 'viewBox').attr('viewBox', '0 0 1000 1000').
+			attr('id', 'viewbox');
+
+	var map = topology.append("g").attr('id', 'map');
+
+	var path = d3.geo.path().projection(projection);
+
+	d3.json('data/world.json', function(error, topology) {
+		map.selectAll('path')
+			.data(topojson.object(topology, topology.objects.world).geometries)
+		    	.enter()
+		      		.append('path')
+		      		.attr('d', path)
+
+		d3.xml('assets/switch.svg', function (xml) {
+			switchXML = document.importNode(xml.documentElement, true);;
+			cb();
+		});
+	});
+}
+
+/***************************************************************************************************
+
+***************************************************************************************************/
+var switchMap;
+function makeSwitchMap() {
+	switchMap = {};
+	model.coreSwitches.forEach(function (s) {
+		switchMap[s.dpid] = s;
+	});
+	model.aggregationSwitches.forEach(function (s) {
+		switchMap[s.dpid] = s;
+	});
+	model.edgeSwitches.forEach(function (s) {
+		switchMap[s.dpid] = s;
+	});
+}
+
+/***************************************************************************************************
+create a map from edge->aggregation and aggreation->core switches
+***************************************************************************************************/
+var switchAssociations;
+function makeAssociations() {
+	switchAssociations = {};
+
+	var key;
+	for (key in model.configuration.association) {
+		var aggregationSwitches = model.configuration.association[key];
+		aggregationSwitches.forEach(function (s) {
+			switchAssociations[s] = key;
+		});
+	}
+}
+
+/***************************************************************************************************
+get the upstream switch. this only makes sense for aggregation and edge switches
+***************************************************************************************************/
+function getUpstream(dpid, className) {
+	if (className === 'aggregation') {
+		return switchAssociations[dpid];
+	} else if (className === 'edge') {
+		var aggregationDpid = dpid.split(':');
+		aggregationDpid[7] = '01'; // the last component of the agg switch is always '01'
+		return aggregationDpid.join(':');
+	}
+}
+
+
+
+/*****************a**********************************************************************************
+create a map to hold the fanout information for the switches
+***************************************************************************************************/
+var fanouts;
+function makeFanouts() {
+	fanouts = {};
+	model.coreSwitches.forEach(function (s) {
+		fanouts[s.dpid] = model.configuration.geo[s.dpid];
+		fanouts[s.dpid].count = 0;
+	});
+
+	model.aggregationSwitches.forEach(function (s) {
+		fanouts[s.dpid] = {count: 0};
+		var upstreamFanout = fanouts[getUpstream(s.dpid, 'aggregation')];
+		upstreamFanout.count += 1;
+	});
+
+	model.edgeSwitches.forEach(function (s) {
+		fanouts[s.dpid] = {};
+		var upstreamFanout = fanouts[getUpstream(s.dpid, 'edge')];
+		upstreamFanout.count += 1;
+	});
+}
+
+
+var projection;
+var switchLayer;
+var labelsLayer;
+var linksLayer;
+createTopologyView = function (cb) {
+	var svg = createRootSVG();
+
+	createMap(svg, function () {
+		switchLayer = topology.append('g');
+		labelsLayer = topology.append('g');
+		linksLayer = topology.append('g');
+		flowLayer = topology.append('g');
+
+
+		cb();
+	});
+}
+
+function drawLinkLines() {
+
+	// key on link dpids since these will come/go during demo
+	var linkLines = linksLayer.selectAll('.link').data(links, function (d) {
+		return d['src-switch']+'->'+d['dst-switch'];
+	});
+
+	// add new links
+	linkLines.enter().append("svg:path").attr("class", "link");
+
+	linkLines.attr('id', function (d) {
+			return makeLinkKey(d);
+		}).attr("d", function (d) {
+			var src = d3.select(document.getElementById(d['src-switch']));
+			var dst = d3.select(document.getElementById(d['dst-switch']));
+
+			if (src.empty() || dst.empty()) {
+				return "M0,0";
+			}
+
+			var srcPt = document.querySelector('svg').createSVGPoint();
+			srcPt.x = src.attr('x');
+			srcPt.y = src.attr('y');
+
+			var dstPt = document.querySelector('svg').createSVGPoint();
+			dstPt.x = dst.attr('x');
+			dstPt.y = dst.attr('y');
+
+			var midPt = document.querySelector('svg').createSVGPoint();
+			midPt.x = (srcPt.x + dstPt.x)/2;
+			midPt.y = (srcPt.y + dstPt.y)/2;
+
+			return line([srcPt, midPt, dstPt]);
+		})
+		.attr("marker-mid", function(d) { return "url(#arrow)"; })
+		.classed('pending', function (d) {
+			return d.pending;
+		});
+
+	// remove old links
+	linkLines.exit().remove();
+}
+
+var fanOutAngles = {
+	aggregation: 90,
+	edge: 7
+}
+
+function makeSwitchesModel(switches, className) {
+	var switchesModel = [];
+	switches.forEach(function (s) {
+		var geo = model.configuration.geo[s.dpid];
+
+		var pos, label;
+		if (geo) {
+			pos = projection([geo.lng, geo.lat]);
+			label = geo.label;
+		} else {
+			var upstream = getUpstream(s.dpid, className);
+			if (upstream) {
+				var upstreamGeo = fanouts[upstream];
+				pos = projection([upstreamGeo.lng, upstreamGeo.lat]);
+
+				var fanOutAngle = upstreamGeo.fanOutAngle;
+				fanOutAngle -= (upstreamGeo.count - 1) * fanOutAngles[className]/2;
+
+				var angle = toRadians(fanOutAngle);
+				var xOff = Math.sin(angle) * widths[className] * 20;
+				var yOff = Math.cos(angle) * widths[className] * 20;
+
+				pos = [pos[0] + xOff, pos[1] + yOff];
+
+				var fakeGeo = projection.invert(pos);
+
+				var fanout = fanouts[s.dpid];
+				fanout.fanOutAngle = fanOutAngle;
+				fanout.lng = fakeGeo[0];
+				fanout.lat = fakeGeo[1];
+
+				upstreamGeo.fanOutAngle += fanOutAngles[className];
+
+			} else {
+				pos = projection([-98, 39]);
+			}
+		}
+
+		switchesModel.push({
+			dpid: s.dpid,
+			state: s.state,
+			className: className,
+			controller: s.controller,
+			label: label,
+			x: pos[0],
+			y: pos[1]
+		});
+	});
+
+	return switchesModel;
+}
+
+function switchEnter(d) {
+	var g = d3.select(this);
+	var width;
+
+	// attempt to draw an svg switch
+	if (false && d.className == 'core') {
+		width = 30;
+		g.select(function () {
+			return this.appendChild(switchXML.cloneNode(true));
+		})
+			.classed(d.className, true)
+			.attr('x', d.x - 30)
+			.attr('y', d.y - 30);
+
+	} else {
+		width = widths[d.className];
+		g.append('svg:circle').attr('r', width)
+			.classed(d.className, true)
+			.attr('cx', d.x)
+			.attr('cy', d.y);
+	}
+
+
+	if (d.label) {
+		g.append('svg:text')
+			.classed('label', true)
+			.text(d.label)
+			.attr("text-anchor", "end")
+			.attr('x', d.x - width)
+			.attr('y', d.y - width);
+	}
+}
+
+function labelsEnter(switches) {
+	return labelsLayer.selectAll('g').data(switches, function (d) {
+		return d.dpid;
+	}).enter().append('svg:g')
+		.classed('nolabel', true)
+		.attr("id", function (data) {
+			return data.dpid + '-label';
+		})
+		.append("svg:text")
+			.text(function (data) {return data.dpid;})
+			.attr('x', function (d) {
+				return d.x;
+			})
+			.attr('y', function (d) {
+				return d.y;
+			})
+			.attr("text-anchor", function (d) {
+				return d.x > 500 ? "end" : "start";
+			})
+
+}
+
+function switchesEnter(switches) {
+	return switchLayer.selectAll('g').data(switches, function (d) {
+		return d.dpid;
+	})
+		.enter()
+			.append('svg:g')
+				.attr("id", function (d) {
+					return d.dpid;
+				})
+				.attr('x', function (d) {
+					return d.x;
+				})
+				.attr('y', function (d) {
+					return d.y;
+				})
+				.each(switchEnter);
+}
+
+
+function switchesUpdate(switches) {
+	switches.each(function (d) {
+			// if there's a pending state changed and then the state changes, clear the pending class
+			var circle = d3.select(this);
+			if (d.state === 'ACTIVE' && circle.classed('inactive') ||
+				d.state === 'INACTIVE' && circle.classed('active')) {
+				circle.classed('pending', false);
+			}
+		})
+		.attr('class', function (d)  {
+			if (d.state === 'ACTIVE' && d.controller) {
+				return 'active ' + controllerColorMap[d.controller];
+			} else {
+				return 'inactive ' + 'colorInactive';
+			}
+		});
+}
+
+drawTopology = function () {
+
+	makeSwitchMap();
+	makeAssociations();
+	makeFanouts();
+
+	var coreSwitches = makeSwitchesModel(model.coreSwitches, 'core');
+	var aggregationSwitches = makeSwitchesModel(model.aggregationSwitches, 'aggregation');
+	var edgeSwitches = makeSwitchesModel(model.edgeSwitches, 'edge');
+
+	var switches = coreSwitches.concat(aggregationSwitches).concat(edgeSwitches);
+
+	switchesUpdate(switchesEnter(switches));
+
+	drawLinkLines();
+
+	labelsEnter(switches);
+}
+
+})();
\ No newline at end of file
diff --git a/web/ons-demo/js/rings.js b/web/ons-demo/js/rings.js
new file mode 100644
index 0000000..979d28b
--- /dev/null
+++ b/web/ons-demo/js/rings.js
@@ -0,0 +1,327 @@
+(function () {
+
+createTopologyView = function (cb) {
+
+	window.addEventListener('resize', function () {
+		// this is too slow. instead detect first resize event and hide the paths that have explicit matrix applied
+		// either that or is it possible to position the paths so they get the automatic transform as well?
+//		updateTopology();
+	});
+
+	var svg = createRootSVG();
+
+	topology = svg.append('svg:svg').attr('id', 'viewBox').attr('viewBox', '0 0 1000 1000').attr('preserveAspectRatio', 'none').
+			attr('id', 'viewbox').append('svg:g').attr('id', 'topology').attr('transform', 'translate(500 500)');
+
+	flowLayer = d3.select('svg');
+
+	// hack to make the shared flow drawing code work
+	drawingRings = true;
+
+	cb();
+}
+
+function updateLinkLines() {
+
+	// key on link dpids since these will come/go during demo
+	var linkLines = d3.select('svg').selectAll('.link').data(links, function (d) {
+		return d['src-switch']+'->'+d['dst-switch'];
+	});
+
+	// add new links
+	linkLines.enter().append("svg:path").attr("class", "link");
+
+	linkLines.attr('id', function (d) {
+			return makeLinkKey(d);
+		}).attr("d", function (d) {
+			var src = d3.select(document.getElementById(d['src-switch']));
+			var dst = d3.select(document.getElementById(d['dst-switch']));
+
+			if (src.empty() || dst.empty()) {
+				return "M0,0";
+			}
+
+			var srcPt = document.querySelector('svg').createSVGPoint();
+			srcPt.x = src.attr('x');
+			srcPt.y = src.attr('y');
+			srcPt = srcPt.matrixTransform(src[0][0].getCTM());
+
+			var dstPt = document.querySelector('svg').createSVGPoint();
+			dstPt.x = dst.attr('x');
+			dstPt.y = dst.attr('y');
+			dstPt = dstPt.matrixTransform(dst[0][0].getCTM());
+
+			var midPt = document.querySelector('svg').createSVGPoint();
+			midPt.x = (srcPt.x + dstPt.x)/2;
+			midPt.y = (srcPt.y + dstPt.y)/2;
+
+			return line([srcPt, midPt, dstPt]);
+		})
+		.attr("marker-mid", function(d) { return "url(#arrow)"; })
+		.classed('pending', function (d) {
+			return d.pending;
+		});
+
+	// remove old links
+	linkLines.exit().remove();
+}
+
+
+function createRingTopologyModel(model) {
+	var rings = [{
+		radius: 3,
+		width: widths.edge,
+		switches: model.edgeSwitches,
+		className: 'edge',
+		angles: []
+	}, {
+		radius: 2.25,
+		width: widths.aggregation,
+		switches: model.aggregationSwitches,
+		className: 'aggregation',
+		angles: []
+	}, {
+		radius: 0.75,
+		width: widths.core,
+		switches: model.coreSwitches,
+		className: 'core',
+		angles: []
+	}];
+
+
+	var aggRanges = {};
+
+	// arrange edge switches at equal increments
+	var k = 360 / rings[0].switches.length;
+	rings[0].switches.forEach(function (s, i) {
+		var angle = k * i;
+
+		rings[0].angles[i] = angle;
+
+		// record the angle for the agg switch layout
+		var dpid = s.dpid.split(':');
+		dpid[7] = '01'; // the last component of the agg switch is always '01'
+		var aggdpid = dpid.join(':');
+		var aggRange = aggRanges[aggdpid];
+		if (!aggRange) {
+			aggRange = aggRanges[aggdpid] = {};
+			aggRange.min = aggRange.max = angle;
+		} else {
+			aggRange.max = angle;
+		}
+	});
+
+	// arrange aggregation switches to "fan out" to edge switches
+	k = 360 / rings[1].switches.length;
+	rings[1].switches.forEach(function (s, i) {
+//		rings[1].angles[i] = k * i;
+		var range = aggRanges[s.dpid];
+
+		rings[1].angles[i] = (range.min + range.max)/2;
+	});
+
+	// find the association between core switches and aggregation switches
+	var aggregationSwitchMap = {};
+	model.aggregationSwitches.forEach(function (s, i) {
+		aggregationSwitchMap[s.dpid] = i;
+	});
+
+	// put core switches next to linked aggregation switches
+	k = 360 / rings[2].switches.length;
+	rings[2].switches.forEach(function (s, i) {
+//		rings[2].angles[i] = k * i;
+		var associatedAggregationSwitches = model.configuration.association[s.dpid];
+		// TODO: go between if there are multiple
+		var index = aggregationSwitchMap[associatedAggregationSwitches[0]];
+
+		rings[2].angles[i] = rings[1].angles[index];
+	});
+
+	// TODO: construct this form initially rather than converting. it works better because
+	// it allows binding by dpid
+	var testRings = [];
+	rings.forEach(function (ring) {
+		var testRing = [];
+		ring.switches.forEach(function (s, i) {
+			var testSwitch = {
+				dpid: s.dpid,
+				state: s.state,
+				radius: ring.radius,
+				width: ring.width,
+				className: ring.className,
+				angle: ring.angles[i],
+				controller: s.controller
+			};
+			testRing.push(testSwitch);
+		});
+
+
+		testRings.push(testRing);
+	});
+
+
+//	return rings;
+	return testRings;
+}
+
+drawTopology = function () {
+	// DRAW THE SWITCHES
+	var rings = topology.selectAll('.ring').data(createRingTopologyModel(model));
+
+	function ringEnter(data, i) {
+		if (!data.length) {
+			return;
+		}
+
+		// create the nodes
+		var nodes = d3.select(this).selectAll("g")
+			.data(data, function (data) {
+				return data.dpid;
+			})
+			.enter().append("svg:g")
+			.attr("id", function (data, i) {
+				return data.dpid;
+			})
+			.attr("transform", function(data, i) {
+				return "rotate(" + data.angle+ ")translate(" + data.radius * 150 + ")rotate(" + (-data.angle) + ")";
+			});
+
+		// add the cirles representing the switches
+		nodes.append("svg:circle")
+			.attr("transform", function(data, i) {
+				var m = document.querySelector('#viewbox').getTransformToElement().inverse();
+				if (data.scale) {
+					m = m.scale(data.scale);
+				}
+				return "matrix( " + m.a + " " + m.b + " " + m.c + " " + m.d + " " + m.e + " " + m.f + " )";
+			})
+			.attr("x", function (data) {
+				return -data.width / 2;
+			})
+			.attr("y", function (data) {
+				return -data.width / 2;
+			})
+			.attr("r", function (data) {
+				return data.width;
+			});
+	}
+
+	// append switches
+	rings.enter().append("svg:g")
+		.attr("class", "ring")
+		.each(ringEnter);
+
+
+	function ringUpdate(data, i) {
+		var nodes = d3.select(this).selectAll("g")
+			.data(data, function (data) {
+				return data.dpid;
+			});
+		nodes.select('circle')
+			.each(function (data) {
+				// if there's a pending state changed and then the state changes, clear the pending class
+				var circle = d3.select(this);
+				if (data.state === 'ACTIVE' && circle.classed('inactive') ||
+					data.state === 'INACTIVE' && circle.classed('active')) {
+					circle.classed('pending', false);
+				}
+			})
+			.attr('class', function (data)  {
+				if (data.state === 'ACTIVE' && data.controller) {
+					return data.className + ' active ' + controllerColorMap[data.controller];
+				} else {
+					return data.className + ' inactive ' + 'colorInactive';
+				}
+			});
+	}
+
+	// update  switches
+	rings.each(ringUpdate);
+
+
+	// Now setup the labels
+	// This is done separately because SVG draws in node order and we want the labels
+	// always on top
+	var labelRings = topology.selectAll('.labelRing').data(createRingTopologyModel(model));
+
+	function labelRingEnter(data) {
+		if (!data.length) {
+			return;
+		}
+
+		// create the nodes
+		var nodes = d3.select(this).selectAll("g")
+			.data(data, function (data) {
+				return data.dpid;
+			})
+			.enter().append("svg:g")
+			.classed('nolabel', true)
+			.attr("id", function (data) {
+				return data.dpid + '-label';
+			})
+			.attr("transform", function(data, i) {
+				return "rotate(" + data.angle+ ")translate(" + data.radius * 150 + ")rotate(" + (-data.angle) + ")";
+			})
+
+		// add the text nodes which show on mouse over
+		nodes.append("svg:text")
+				.text(function (data) {return data.dpid;})
+				.attr("x", function (data) {
+					if (data.angle <= 90 || data.angle >= 270 && data.angle <= 360) {
+						if (data.className == 'edge') {
+							return - data.width*3 - 4;
+						} else {
+							return - data.width - 4;
+						}
+					} else {
+						if (data.className == 'edge') {
+							return data.width*3 + 4;
+						} else {
+							return data.width + 4;
+						}
+					}
+				})
+				.attr("y", function (data) {
+					var y;
+					if (data.angle <= 90 || data.angle >= 270 && data.angle <= 360) {
+						if (data.className == 'edge') {
+							y = data.width*3/2 + 4;
+						} else {
+							y = data.width/2 + 4;
+						}
+					} else {
+						if (data.className == 'edge') {
+							y = data.width*3/2 + 4;
+						} else {
+							y = data.width/2 + 4;
+						}
+					}
+					return y - 6;
+				})
+				.attr("text-anchor", function (data) {
+					if (data.angle <= 90 || data.angle >= 270 && data.angle <= 360) {
+						return "end";
+					} else {
+						return "start";
+					}
+				})
+				.attr("transform", function(data) {
+					var m = document.querySelector('#viewbox').getTransformToElement().inverse();
+					if (data.scale) {
+						m = m.scale(data.scale);
+					}
+					return "matrix( " + m.a + " " + m.b + " " + m.c + " " + m.d + " " + m.e + " " + m.f + " )";
+				})
+	}
+
+	labelRings.enter().append("svg:g")
+		.attr("class", "textRing")
+		.each(labelRingEnter);
+
+	// switches should not change during operation of the ui so no
+	// rings.exit()
+
+	updateLinkLines();
+}
+
+})();
diff --git a/web/ons-demo/js/topology.js b/web/ons-demo/js/topology.js
new file mode 100644
index 0000000..7f91de8
--- /dev/null
+++ b/web/ons-demo/js/topology.js
@@ -0,0 +1,30 @@
+/***************************************************************************************************
+functions for creating and interacting with the topology view of the webui
+
+flow related topology is in flows.js
+***************************************************************************************************/
+
+(function () {
+
+updateTopology = function() {
+
+	/* currently rings.js and map.js can be included to define the topology display */
+
+	reconcilePendingLinks(model);
+	updateLinkMap(links);
+
+	drawTopology();
+
+	// setup the mouseover behaviors
+	var allSwitches = d3.selectAll('.edge, .core, .aggregation');
+
+	allSwitches.on('mouseover', mouseOverSwitch);
+	allSwitches.on('mouseout', mouseOutSwitch);
+	allSwitches.on('mouseup', mouseUpSwitch);
+	allSwitches.on('mousedown', mouseDownSwitch);
+
+	// only do switch up/down for core switches
+	d3.selectAll('.core').on('dblclick', doubleClickSwitch);
+}
+
+})();
diff --git a/web/ons-demo/js/topologyactions.js b/web/ons-demo/js/topologyactions.js
new file mode 100644
index 0000000..6501e5b
--- /dev/null
+++ b/web/ons-demo/js/topologyactions.js
@@ -0,0 +1,273 @@
+function clearHighlight() {
+	topology.selectAll('circle').each(function (data) {
+		data.mouseDown = false;
+		d3.select('#topologyArea').classed('linking', false);
+		mouseOutSwitch(data);
+	});
+	d3.select('#linkVector').remove();
+};
+
+function mouseOverSwitch(data) {
+
+	d3.event.preventDefault();
+
+	d3.select(document.getElementById(data.dpid + '-label')).classed('nolabel', false);
+
+	if (data.highlighted) {
+		return;
+	}
+
+	// only highlight valid link or flow destination by checking for class of existing highlighted circle
+	var highlighted = topology.selectAll('.highlight')[0];
+	if (highlighted.length == 1) {
+		var s = d3.select(highlighted[0]).select('circle');
+		// only allow links
+		// 	edge->edge (flow)
+		//  aggregation->core
+		//	core->core
+		if (data.className == 'edge' && !s.classed('edge') ||
+			data.className == 'core' && !s.classed('core') && !s.classed('aggregation') ||
+			data.className == 'aggregation' && !s.classed('core')) {
+			return;
+		}
+
+		// the second highlighted switch is the target for a link or flow
+		data.target = true;
+	}
+
+	var node = d3.select(document.getElementById(data.dpid));
+	node.classed('highlight', true).select('circle').transition().duration(100).attr("r", widths.core);
+	data.highlighted = true;
+	node.moveToFront();
+}
+
+function mouseOutSwitch(data) {
+	d3.select(document.getElementById(data.dpid + '-label')).classed('nolabel', true);
+
+	if (data.mouseDown)
+		return;
+
+	var node = d3.select(document.getElementById(data.dpid));
+	node.classed('highlight', false).select('circle').transition().duration(100).attr("r", widths[data.className]);
+	data.highlighted = false;
+	data.target = false;
+}
+
+function mouseDownSwitch(data) {
+	mouseOverSwitch(data);
+	data.mouseDown = true;
+	d3.select('#topologyArea').classed('linking', true);
+
+	d3.select('svg')
+		.append('svg:path')
+		.attr('id', 'linkVector')
+		.attr('d', function () {
+			var s = d3.select(document.getElementById(data.dpid));
+
+			var pt = document.querySelector('svg').createSVGPoint();
+			pt.x = s.attr('x');
+			pt.y = s.attr('y');
+			pt = pt.matrixTransform(s[0][0].getCTM());
+
+			return line([pt, pt]);
+		});
+
+
+	if (data.className === 'core') {
+		d3.selectAll('.edge').classed('nodrop', true);
+	}
+	if (data.className === 'edge') {
+		d3.selectAll('.core').classed('nodrop', true);
+		d3.selectAll('.aggregation').classed('nodrop', true);
+	}
+	if (data.className === 'aggregation') {
+		d3.selectAll('.edge').classed('nodrop', true);
+		d3.selectAll('.aggregation').classed('nodrop', true);
+	}
+}
+
+function mouseUpSwitch(data) {
+	if (data.mouseDown) {
+		data.mouseDown = false;
+		d3.select('#topologyArea').classed('linking', false);
+		d3.event.stopPropagation();
+		d3.selectAll('.nodrop').classed('nodrop', false);
+	}
+}
+
+function doubleClickSwitch(data) {
+	clearHighlight();
+
+	var circle = d3.select(document.getElementById(data.dpid)).select('circle');
+	if (data.state == 'ACTIVE') {
+		var prompt = 'Deactivate ' + data.dpid + '?';
+		if (confirm(prompt)) {
+			switchDown(data);
+			setPending(circle);
+		}
+	} else {
+		var prompt = 'Activate ' + data.dpid + '?';
+		if (confirm(prompt)) {
+			switchUp(data);
+			setPending(circle);
+		}
+	}
+}
+
+d3.select(window).on('mouseup', function () {
+	d3.selectAll('.nodrop').classed('nodrop', false);
+
+	function removeLink(link) {
+		var path1 = document.getElementById(link['src-switch'] + '=>' + link['dst-switch']);
+		var path2 = document.getElementById(link['dst-switch'] + '=>' + link['src-switch']);
+
+		if (path1) {
+			setPending(d3.select(path1));
+		}
+		if (path2) {
+			setPending(d3.select(path2));
+		}
+
+		linkDown(link);
+	}
+
+
+	var highlighted = topology.selectAll('.highlight')[0];
+	if (highlighted.length == 2) {
+		var s1Data = highlighted[0].__data__;
+		var s2Data = highlighted[1].__data__;
+
+		var srcData, dstData;
+		if (s1Data.target) {
+			dstData = s1Data;
+			srcData = s2Data;
+		} else {
+			dstData = s2Data;
+			srcData = s1Data;
+		}
+
+		if (s1Data.className == 'edge' && s2Data.className == 'edge') {
+			var prompt = 'Create flow from ' + srcData.dpid + ' to ' + dstData.dpid + '?';
+			if (confirm(prompt)) {
+				addFlow(srcData, dstData);
+
+				var flow = {
+					dataPath: {
+						srcPort: {
+							dpid: {
+								value: srcData.dpid
+							}
+						},
+						dstPort: {
+							dpid: {
+								value: dstData.dpid
+							}
+						}
+					},
+				        srcDpid: srcData.dpid,
+				        dstDpid: dstData.dpid,
+					createPending: true
+				};
+
+				selectFlow(flow);
+
+				setTimeout(function () {
+					deselectFlowIfCreatePending(flow);
+				}, pendingTimeout);
+			}
+		} else {
+			var map = linkMap[srcData.dpid];
+			if (map && map[dstData.dpid]) {
+				var prompt = 'Remove link between ' + srcData.dpid + ' and ' + dstData.dpid + '?';
+				if (confirm(prompt)) {
+					removeLink(map[dstData.dpid]);
+				}
+			} else {
+				map = linkMap[dstData.dpid];
+				if (map && map[srcData.dpid]) {
+					var prompt = 'Remove link between ' + dstData.dpid + ' and ' + srcData.dpid + '?';
+					if (confirm(prompt)) {
+						removeLink(map[srcData.dpid]);
+					}
+				} else {
+					var prompt = 'Create link between ' + srcData.dpid + ' and ' + dstData.dpid + '?';
+					if (confirm(prompt)) {
+						var link1 = {
+							'src-switch': srcData.dpid,
+							'src-port': 1,
+							'dst-switch': dstData.dpid,
+							'dst-port': 1,
+							pending: true
+						};
+						pendingLinks[makeLinkKey(link1)] = link1;
+						var link2 = {
+							'src-switch': dstData.dpid,
+							'src-port': 1,
+							'dst-switch': srcData.dpid,
+							'dst-port': 1,
+							pending: true
+						};
+						pendingLinks[makeLinkKey(link2)] = link2;
+						updateTopology();
+
+						linkUp(link1);
+
+						// remove the pending links after 10s
+						setTimeout(function () {
+							delete pendingLinks[makeLinkKey(link1)];
+							delete pendingLinks[makeLinkKey(link2)];
+
+							updateTopology();
+						}, pendingTimeout);
+					}
+				}
+			}
+		}
+
+		clearHighlight();
+	} else {
+		clearHighlight();
+	}
+});
+
+d3.select(document.body).on('mousemove', function () {
+	if (!d3.select('#topologyArea').classed('linking')) {
+		return;
+	}
+	var linkVector = document.getElementById('linkVector');
+	if (!linkVector) {
+		return;
+	}
+	linkVector = d3.select(linkVector);
+
+	var highlighted = topology.selectAll('.highlight')[0];
+	var s1 = null, s2 = null;
+	if (highlighted.length > 1) {
+		var s1 = d3.select(highlighted[0]);
+		var s2 = d3.select(highlighted[1]);
+
+	} else if (highlighted.length > 0) {
+		var s1 = d3.select(highlighted[0]);
+	}
+	var src = s1;
+	if (s2 && !s2.data()[0].target) {
+		src = s2;
+	}
+	if (src) {
+		linkVector.attr('d', function () {
+				var srcPt = document.querySelector('svg').createSVGPoint();
+				srcPt.x = src.attr('x');
+				srcPt.y = src.attr('y');
+				srcPt = srcPt.matrixTransform(src[0][0].getCTM());
+
+				var svg = document.getElementById('topology');
+				var mouse = d3.mouse(viewbox);
+				var dstPt = document.querySelector('svg').createSVGPoint();
+				dstPt.x = mouse[0];
+				dstPt.y = mouse[1];
+				dstPt = dstPt.matrixTransform(viewbox.getCTM());
+
+				return line([srcPt, dstPt]);
+			});
+	}
+});
diff --git a/web/ons-demo/js/utils.js b/web/ons-demo/js/utils.js
index 4f6d0c1..be7cf53 100644
--- a/web/ons-demo/js/utils.js
+++ b/web/ons-demo/js/utils.js
@@ -1,3 +1,6 @@
+/***************************************************************************************************
+extract url parameters into a map
+***************************************************************************************************/
 function parseURLParameters() {
 	var parameters = {};
 
@@ -13,12 +16,141 @@
 	return parameters;
 }
 
-function findLink(model, dpid) {
-	var links = [];
-	model.links.forEach(function (link) {
-		if (link['src-switch'] == dpid || link['dst-switch'] == dpid) {
-			links.push(link);
+/***************************************************************************************************
+convenience function for moving an SVG element to the front so that it draws on top
+***************************************************************************************************/
+d3.selection.prototype.moveToFront = function() {
+  return this.each(function(){
+    this.parentNode.appendChild(this);
+  });
+};
+
+/***************************************************************************************************
+standard function for generating the 'd' attribute for a path from an array of points
+***************************************************************************************************/
+var line = d3.svg.line()
+    .x(function(d) {
+    	return d.x;
+    })
+    .y(function(d) {
+    	return d.y;
+    });
+
+
+/***************************************************************************************************
+starts the "pending" animation
+***************************************************************************************************/
+function setPending(selection) {
+	selection.classed('pending', false);
+	setTimeout(function () {
+		selection.classed('pending', true);
+	}, 0);
+}
+
+/***************************************************************************************************
+convert angle in degrees to radians
+***************************************************************************************************/
+function toRadians (degrees) {
+  return degrees * (Math.PI / 180);
+}
+
+/***************************************************************************************************
+used to generate DOM element id for this link
+***************************************************************************************************/
+function makeLinkKey(link) {
+	return link['src-switch'] + '=>' + link['dst-switch'];
+}
+
+/***************************************************************************************************
+used to generate DOM element id for this flow in the topology view
+***************************************************************************************************/
+function makeFlowKey(flow) {
+	return flow.srcDpid + '=>' + flow.dstDpid;
+}
+
+/***************************************************************************************************
+used to generate DOM element id for this flow in the selected flows table
+***************************************************************************************************/
+function makeSelectedFlowKey(flow) {
+	return 'S' + makeFlowKey(flow);
+}
+
+/***************************************************************************************************
+update the app header using the current model
+***************************************************************************************************/
+function updateHeader() {
+	d3.select('#lastUpdate').text(new Date());
+
+	var count = 0;
+	model.edgeSwitches.forEach(function (s) {
+		if (s.state === 'ACTIVE') {
+			count += 1;
 		}
 	});
-	return links;
-}
\ No newline at end of file
+	model.aggregationSwitches.forEach(function (s) {
+		if (s.state === 'ACTIVE') {
+			count += 1;
+		}
+	});
+	model.coreSwitches.forEach(function (s) {
+		if (s.state === 'ACTIVE') {
+			count += 1;
+		}
+	});
+
+	d3.select('#activeSwitches').text(count);
+	d3.select('#activeFlows').text(model.flows.length);
+}
+
+/***************************************************************************************************
+update the global linkmap
+***************************************************************************************************/
+function updateLinkMap(links) {
+	linkMap = {};
+	links.forEach(function (link) {
+		var srcDPID = link['src-switch'];
+		var dstDPID = link['dst-switch'];
+
+		var srcMap = linkMap[srcDPID] || {};
+
+		srcMap[dstDPID] = link;
+
+		linkMap[srcDPID]  = srcMap;
+	});
+}
+
+/***************************************************************************************************
+// removes links from the pending list that are now in the model
+***************************************************************************************************/
+function reconcilePendingLinks(model) {
+	links = [];
+	model.links.forEach(function (link) {
+		links.push(link);
+		delete pendingLinks[makeLinkKey(link)]
+	})
+	var linkId;
+	for (linkId in pendingLinks) {
+		links.push(pendingLinks[linkId]);
+	}
+}
+
+/***************************************************************************************************
+used by both ring and map models
+***************************************************************************************************/
+function createRootSVG() {
+	var svg = d3.select('#svg-container').append('svg:svg');
+
+	svg.append("svg:defs").append("svg:marker")
+	    .attr("id", "arrow")
+	    .attr("viewBox", "0 -5 10 10")
+	    .attr("refX", -1)
+	    .attr("markerWidth", 5)
+	    .attr("markerHeight", 5)
+	    .attr("orient", "auto")
+	  .append("svg:path")
+	    .attr("d", "M0,-3L10,0L0,3");
+
+	return svg;
+}
+
+
diff --git a/web/topology_rest.py b/web/topology_rest.py
index 06e4758..7bbf7ce 100755
--- a/web/topology_rest.py
+++ b/web/topology_rest.py
@@ -78,6 +78,7 @@
 @app.route('/tpl/<filename>', methods=['GET'])
 @app.route('/ons-demo/<filename>', methods=['GET'])
 @app.route('/ons-demo/js/<filename>', methods=['GET'])
+@app.route('/ons-demo/d3/<filename>', methods=['GET'])
 @app.route('/ons-demo/css/<filename>', methods=['GET'])
 @app.route('/ons-demo/assets/<filename>', methods=['GET'])
 @app.route('/ons-demo/data/<filename>', methods=['GET'])
@@ -87,7 +88,7 @@
   else:
     fullpath = str(request.path)[1:]
 
-  try: 
+  try:
     open(fullpath)
   except:
     response = make_response("Cannot find a file: %s" % (fullpath), 500)
@@ -215,6 +216,19 @@
   resp = Response(result, status=200, mimetype='application/json')
   return resp
 
+@app.route("/proxy/gui/switchctrl/<cmd>")
+def proxy_switch_controller_setting(cmd):
+  try:
+    command = "curl -s %s/gui/switchctrl/%s" % (ONOS_GUI3_CONTROL_HOST, cmd)
+    print command
+    result = os.popen(command).read()
+  except:
+    print "REST IF has issue"
+    exit
+
+  resp = Response(result, status=200, mimetype='application/json')
+  return resp
+
 
 ###### ONOS RESET API ##############################
 ## Worker Func ###
@@ -223,7 +237,7 @@
   try:
     command = "curl -s %s" % (url)
     result = os.popen(command).read()
-    parsedResult = json.loads(result)    
+    parsedResult = json.loads(result)
     if type(parsedResult) == 'dict' and parsedResult.has_key('code'):
       print "REST %s returned code %s" % (command, parsedResult['code'])
       code=500
@@ -241,7 +255,7 @@
     host=controllers[r]
   else:
     host=ONOS_DEFAULT_HOST
-    
+
   return "http://" + host + ":8080"
 
 ## Switch ##
@@ -698,7 +712,7 @@
     print "All aggr switches connects to local controller only"
     result=""
     if (TESTBED == "sw"):
-      for i in range(0, len(controllers)): 
+      for i in range(0, len(controllers)):
         cmd_string="ssh -i ~/.ssh/onlabkey.pem %s 'cd ONOS/scripts; ./ctrl-local.sh'" % (controllers[i])
         result += os.popen(cmd_string).read()
     else:
@@ -708,10 +722,10 @@
     print "All aggr switches connects to all controllers except for core controller"
     result=""
     if (TESTBED == "sw"):
-      for i in range(0, len(controllers)): 
+      for i in range(0, len(controllers)):
         cmd_string="ssh -i ~/.ssh/onlabkey.pem %s 'cd ONOS/scripts; ./ctrl-add-ext.sh'" % (controllers[i])
         result += os.popen(cmd_string).read()
-    else:    
+    else:
       cmd_string="cd; switch all"
       result += os.popen(cmd_string).read()
 
@@ -745,7 +759,7 @@
 def link_up(src_dpid, src_port, dst_dpid, dst_port):
   result = ""
 
-  if (TESTBED == "sw"): 
+  if (TESTBED == "sw"):
     result = link_up_sw(src_dpid, src_port, dst_dpid, dst_port)
   else:
     result = link_up_hw(src_dpid, src_port, dst_dpid, dst_port)