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/* Copyright 2016-2017, Huawei Technologies Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* overlay micro-service API URL. We might use Maven filter feature to replace with the real address when generating the war package. */
const REQUEST_URL_PER_OVERLAY_VPN = "http://localhost:8080/org.openo.sdno.overlayvpnservice/openoapi/sdnooverlayvpn/v1/site2dc-vpn/";
/* extract Overlay VPN ID from query string of request URL. */
function extractOverlayVPNId()
{
var parameters = location.search.substring(1).split("&");
var temp = parameters[0].split("=");
var id = unescape(temp[1]);
return id;
}
/* load overlay vpn instance data from overlay micro-service and display its topology. */
function loadOverlayData(vpn_id) {
var requestUrl = REQUEST_URL_PER_OVERLAY_VPN.concat(vpn_id);
$
.ajax({
type: "GET",
url: requestUrl,
contentType: "application/json",
success: function (jsonobj) {
init_topo(jsonobj);
},
error: function (xhr, ajaxOptions, thrownError) {
alert("Error on getting Overlayvpn data : " + xhr.responseText);
//the following lines are used to test w/o overlay micro-service.
//var vpn_info = createMockVpnInfo();
//init_topo(vpn_info);
}
});
}
/* a function that mock overlay micro-service response based on API for testing purpose only.*/
function createMockVpnInfo(vpn_id) {
var vpnObj = '{"name":"Overlay VPN 1","description":"One VPN connect site to DC.","site":{"cidr":"10.10.0.0/16","thinCpeId":"thincpe-1234-5678","portAndVlan":"port12vlan13","vCPEId":"vcpe-2222-5555"},"vpc":{"name":"VPC 1","site":{"name":"subnet 1","cidr":"172.18.0.0/16","vni":"vni-1234-9999"}},"sfp":{"scfNeId":"scfneid-1234-5678","servicePathHop":[{"hopNumber":"hopNumber-111111","sfiId":"sfiId-333333","sfgId":"sfgId-444444"}]}}';
return JSON.parse(vpnObj);
}
/* definition of Topology */
function Topology(containerId) {
/**
* IMPORTANT: This only works with the canvas renderer. TBD in the future
* will also support the WebGL renderer.
*/
sigma.utils.pkg('sigma.canvas.nodes');
this.s = new sigma({
graph : {
nodes : [],
edges : []
},
renderer : {
// IMPORTANT:
// This works only with the canvas renderer, so the
// renderer type set as "canvas" is necessary here.
container : document.getElementById(containerId),
type : 'canvas'
},
settings : {
minNodeSize : 8,
maxNodeSize : 64,
edgeLabelSize : 'proportional'
}
});
this.addNode = addNode;
this.addEdge = addEdge;
}
function addNode(node) {
this.s.graph.addNode(node);
}
function addEdge(edge) {
this.s.graph.addEdge(edge);
}
/* get details to be displayed when site or vpc node is clicked. Note that more details may be added if it is appropriate. */
function getSiteDetails(vpn_info) {
var siteCidr = vpn_info.site.cidr;
return "Site CIDR: ".concat(siteCidr);
}
function getVPCDetails(vpn_info) {
var vpcCidr = vpn_info.vpc.site.cidr;
return "VPC CIDR: ".concat(vpcCidr);;
}
/** create topology of overlay vpn with instance data.
* Note that the layout/topology is hard-coded. In the future, this function may be moved to BRS/MSS
* that can understand NSD, calculate layout, fill with instance information, and return the final JSON string expected by sigma for rendering.
*/
function createNodesAndEdgesForOverlayVPN(topology, vpn_info) {
var siteNode = new Node("site", "Site", getSiteDetails(vpn_info), 48, "site_icon", 0.1, 0.65);
var thinCPENode = new Node("thinCPE", "ThinCPE", "ThinCPE ID: ".concat(vpn_info.site.thinCpeId), 16, "device_icon", 0.1, 0.5);
var vCPENode = new Node("vCPE", "vCPE", "vCPE ID: ".concat(vpn_info.site.vCPEId), 16, "device_icon", 0.4, 0.5);
var gwNode = new Node("gw", "GW", "GW", 16, "device_icon", 0.8, 0.5);
var fwNode = new Node("fw", "FW", "FW", 8, "sfc_device_icon", 0.8, 0.4);
var lbNode = new Node("lb", "LB", "LB", 8, "sfc_device_icon", 0.8, 0.3);
var vpcNode = new Node("vpc", "VPC", getVPCDetails(vpn_info), 48, "network_icon", 1.0, 0.3);
var vfwNode = new Node("vfw", "vFW", "vFW", 8, "sfc_device_icon", 0.32, 0.35);
var vlbNode = new Node("vlb", "vLB", "vLB", 8, "sfc_device_icon", 0.48, 0.35);
var edge0 = new Edge("e0", "", "site", "thinCPE", 0.5, "black");
var edge1 = new Edge("e1", "VxLAN", "thinCPE", "vCPE", 0.5, "blue");
var edge2 = new Edge("e2", "IPSec", "vCPE", "gw", 0.5, "green");
var edge3 = new Edge("e3", "", "vCPE", "vfw", 0.5, "grey");
var edge4 = new Edge("e4", "", "vfw", "vlb", 0.5, "grey");
var edge5 = new Edge("e5", "", "vlb", "vCPE", 0.5, "grey");
var edge6 = new Edge("e6", "", "gw", "fw", 0.5, "grey");
var edge7 = new Edge("e7", "", "fw", "lb", 0.5, "grey");
var edge8 = new Edge("e8", "", "lb", "vpc", 0.5, "grey");
topology.addNode(siteNode);
topology.addNode(thinCPENode);
topology.addNode(vCPENode);
topology.addNode(gwNode);
topology.addNode(fwNode);
topology.addNode(lbNode);
topology.addNode(vpcNode);
topology.addNode(vfwNode);
topology.addNode(vlbNode);
topology.addEdge(edge0);
topology.addEdge(edge1);
topology.addEdge(edge2);
topology.addEdge(edge3);
topology.addEdge(edge4);
topology.addEdge(edge5);
topology.addEdge(edge6);
topology.addEdge(edge7);
topology.addEdge(edge8);
}
/* create and show the topology based on overlay vpn instance data. */
function init_topo(vpn_info) {
var topology = new Topology("container");
createNodesAndEdgesForOverlayVPN(topology, vpn_info);
CustomShapes.init(topology.s);
topology.s.refresh();
//show details when a node is clicked
topology.s.bind('clickNode', function(e) {
console.log(e.type, e.data.node.label, e.data.captor);
var nodeId = e.data.node.id;
topology.s.graph.nodes().forEach(function(n) {
if (n.id == nodeId)
n.label = n.details;
});
topology.s.refresh();
});
topology.s.bind('clickStage', function(e) {
console.log(e.type, e.data.edge, e.data.captor);
topology.s.graph.nodes().forEach(function(n) {
n.label = n.brief;
});
topology.s.refresh();
});
}
/* code to be run when loading the page */
$(document).ready(function() {
var vpn_id = extractOverlayVPNId();
//load overlay vpn instance data and show its topology.
loadOverlayData(vpn_id);
//insert overlay VPN id into the title.
var titleStr = "Topology of Overlay VPN : ".concat("<b>", vpn_id, "</b>");
document.getElementById("title").innerHTML = titleStr;
});
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