14 var ws = new WebSocket("ws://" + location.host + "/v1.0/topology/ws");
15 ws.onmessage = function(event) {
16 var data = JSON.parse(event.data);
18 var result = rpc[data.method](data.params);
20 var ret = {"id": data.id, "jsonrpc": "2.0", "result": result};
21 this.send(JSON.stringify(ret));
24 function trim_zero(obj) {
25 return String(obj).replace(/^0+/, "");
28 function dpid_to_int(dpid) {
29 return Number("0x" + dpid);
33 force: d3.layout.force()
34 .size([CONF.force.width, CONF.force.height])
35 .charge(CONF.force.charge)
36 .linkDistance(CONF.force.dist)
38 svg: d3.select("body").append("svg")
39 .attr("id", "topology")
40 .attr("width", CONF.force.width)
41 .attr("height", CONF.force.height),
42 console: d3.select("body").append("div")
43 .attr("id", "console")
44 .attr("width", CONF.force.width)
47 elem.link.attr("x1", function(d) { return d.source.x; })
48 .attr("y1", function(d) { return d.source.y; })
49 .attr("x2", function(d) { return d.target.x; })
50 .attr("y2", function(d) { return d.target.y; });
52 elem.node.attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; });
54 elem.port.attr("transform", function(d) {
55 var p = topo.get_port_point(d);
56 return "translate(" + p.x + "," + p.y + ")";
59 elem.drag = elem.force.drag().on("dragstart", _dragstart);
60 function _dragstart(d) {
61 var dpid = dpid_to_int(d.dpid)
62 d3.json("/stats/flow/" + dpid, function(e, data) {
65 elem.console.selectAll("ul").remove();
66 li = elem.console.append("ul")
68 li.data(flows).enter().append("li")
69 .text(function (d) { return JSON.stringify(d, null, " "); });
71 d3.select(this).classed("fixed", d.fixed = true);
73 elem.node = elem.svg.selectAll(".node");
74 elem.link = elem.svg.selectAll(".link");
75 elem.port = elem.svg.selectAll(".port");
76 elem.update = function () {
82 this.link = this.link.data(topo.links);
83 this.link.exit().remove();
84 this.link.enter().append("line")
85 .attr("class", "link");
87 this.node = this.node.data(topo.nodes);
88 this.node.exit().remove();
89 var nodeEnter = this.node.enter().append("g")
90 .attr("class", "node")
91 .on("dblclick", function(d) { d3.select(this).classed("fixed", d.fixed = false); })
93 nodeEnter.append("image")
94 .attr("xlink:href", "./router.svg")
95 .attr("x", -CONF.image.width/2)
96 .attr("y", -CONF.image.height/2)
97 .attr("width", CONF.image.width)
98 .attr("height", CONF.image.height);
99 nodeEnter.append("text")
100 .attr("dx", -CONF.image.width/2)
101 .attr("dy", CONF.image.height-10)
102 .text(function(d) { return "dpid: " + trim_zero(d.dpid); });
104 var ports = topo.get_ports();
106 this.port = this.svg.selectAll(".port").data(ports);
107 var portEnter = this.port.enter().append("g")
108 .attr("class", "port");
109 portEnter.append("circle")
111 portEnter.append("text")
114 .text(function(d) { return trim_zero(d.port_no); });
117 function is_valid_link(link) {
118 return (link.src.dpid < link.dst.dpid)
124 node_index: {}, // dpid -> index of nodes array
125 initialize: function (data) {
126 this.add_nodes(data.switches);
127 this.add_links(data.links);
129 add_nodes: function (nodes) {
130 for (var i = 0; i < nodes.length; i++) {
131 this.nodes.push(nodes[i]);
133 this.refresh_node_index();
135 add_links: function (links) {
136 for (var i = 0; i < links.length; i++) {
137 if (!is_valid_link(links[i])) continue;
138 console.log("add link: " + JSON.stringify(links[i]));
140 var src_dpid = links[i].src.dpid;
141 var dst_dpid = links[i].dst.dpid;
142 var src_index = this.node_index[src_dpid];
143 var dst_index = this.node_index[dst_dpid];
152 this.links.push(link);
155 delete_nodes: function (nodes) {
156 for (var i = 0; i < nodes.length; i++) {
157 console.log("delete switch: " + JSON.stringify(nodes[i]));
159 node_index = this.get_node_index(nodes[i]);
160 this.nodes.splice(node_index, 1);
162 this.refresh_node_index();
164 delete_links: function (links) {
165 for (var i = 0; i < links.length; i++) {
166 if (!is_valid_link(links[i])) continue;
167 console.log("delete link: " + JSON.stringify(links[i]));
169 link_index = this.get_link_index(links[i]);
170 this.links.splice(link_index, 1);
173 get_node_index: function (node) {
174 for (var i = 0; i < this.nodes.length; i++) {
175 if (node.dpid == this.nodes[i].dpid) {
181 get_link_index: function (link) {
182 for (var i = 0; i < this.links.length; i++) {
183 if (link.src.dpid == this.links[i].port.src.dpid &&
184 link.src.port_no == this.links[i].port.src.port_no &&
185 link.dst.dpid == this.links[i].port.dst.dpid &&
186 link.dst.port_no == this.links[i].port.dst.port_no) {
192 get_ports: function () {
195 for (var i = 0; i < this.links.length; i++) {
196 function _push(p, dir) {
197 key = p.dpid + ":" + p.port_no;
205 return ports.push(p);
207 _push(this.links[i].port.src, "source");
208 _push(this.links[i].port.dst, "target");
213 get_port_point: function (d) {
216 var link = this.links[d.link_idx];
217 var x1 = link.source.x;
218 var y1 = link.source.y;
219 var x2 = link.target.x;
220 var y2 = link.target.y;
222 if (d.link_dir == "target") weight = 1.0 - weight;
224 var x = x1 * weight + x2 * (1.0 - weight);
225 var y = y1 * weight + y2 * (1.0 - weight);
229 refresh_node_index: function(){
230 this.node_index = {};
231 for (var i = 0; i < this.nodes.length; i++) {
232 this.node_index[this.nodes[i].dpid] = i;
238 event_switch_enter: function (params) {
240 for(var i=0; i < params.length; i++){
241 switches.push({"dpid":params[i].dpid,"ports":params[i].ports});
243 topo.add_nodes(switches);
247 event_switch_leave: function (params) {
249 for(var i=0; i < params.length; i++){
250 switches.push({"dpid":params[i].dpid,"ports":params[i].ports});
252 topo.delete_nodes(switches);
256 event_link_add: function (links) {
257 topo.add_links(links);
261 event_link_delete: function (links) {
262 topo.delete_links(links);
268 function initialize_topology() {
269 d3.json("/v1.0/topology/switches", function(error, switches) {
270 d3.json("/v1.0/topology/links", function(error, links) {
271 topo.initialize({switches: switches, links: links});
278 initialize_topology();