hopglass/lib/main.js

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define(["moment", "router", "leaflet", "gui", "numeral"],
function (moment, Router, L, GUI, numeral) {
return function (config) {
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function handleData(data) {
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var dataNodes = data[0]
var dataGraph = data[1]
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if (dataNodes.version !== 2 || dataGraph.version !== 1) {
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var err = "Unsupported nodes or graph version: " + dataNodes.version + " " + dataGraph.version
throw err
}
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var nodes = dataNodes.nodes.filter( function (d) {
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return "firstseen" in d && "lastseen" in d
})
nodes.forEach( function(node) {
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node.firstseen = moment.utc(node.firstseen).local()
node.lastseen = moment.utc(node.lastseen).local()
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})
var now = moment()
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var age = moment(now).subtract(config.maxAge, "days")
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var newnodes = limit("firstseen", age, sortByKey("firstseen", nodes).filter(online))
var lostnodes = limit("lastseen", age, sortByKey("lastseen", nodes).filter(offline))
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var graphnodes = {}
dataNodes.nodes.forEach( function (d) {
graphnodes[d.nodeinfo.node_id] = d
})
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var graph = dataGraph.batadv
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graph.nodes.forEach( function (d) {
if (d.node_id in graphnodes)
d.node = graphnodes[d.node_id]
})
graph.links.forEach( function (d) {
if (graph.nodes[d.source].node)
d.source = graph.nodes[d.source]
else
d.source = undefined
if (graph.nodes[d.target].node)
d.target = graph.nodes[d.target]
else
d.target = undefined
})
var links = graph.links.filter( function (d) {
return d.source !== undefined && d.target !== undefined
})
links.forEach( function (d) {
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var ids = [d.source.node.nodeinfo.node_id, d.target.node.nodeinfo.node_id]
d.id = ids.sort().join("-")
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if (!("location" in d.source.node.nodeinfo && "location" in d.target.node.nodeinfo))
return
d.latlngs = []
d.latlngs.push(L.latLng(d.source.node.nodeinfo.location.latitude, d.source.node.nodeinfo.location.longitude))
d.latlngs.push(L.latLng(d.target.node.nodeinfo.location.latitude, d.target.node.nodeinfo.location.longitude))
d.distance = d.latlngs[0].distanceTo(d.latlngs[1])
})
nodes.forEach( function (d) {
d.neighbours = []
})
links.forEach( function (d) {
d.source.node.neighbours.push({ node: d.target.node, link: d })
d.target.node.neighbours.push({ node: d.source.node, link: d })
})
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return { now: now,
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timestamp: moment.utc(dataNodes.timestamp).local(),
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nodes: {
all: nodes,
new: newnodes,
lost: lostnodes
},
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graph: {
links: links,
nodes: graph.nodes
}
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}
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}
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numeral.language("de")
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moment.locale("de")
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var router = new Router()
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var urls = [ config.dataPath + "nodes.json",
config.dataPath + "graph.json"
]
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function update() {
return Promise.all(urls.map(getJSON))
.then(handleData)
}
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update()
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.then(function (d) {
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var gui = new GUI(config, router)
gui.setData(d)
router.setData(d)
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router.start()
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window.setInterval(function () {
update().then(function (d) {
gui.setData(d)
router.setData(d)
})
}, 60000)
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})
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.catch(function (e) {
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document.body.textContent = e
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console.log(e)
})
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}
})