ntopng/scripts/lua/inc/sankey.lua
2016-08-10 15:53:39 +02:00

304 lines
8.8 KiB
Lua

--
-- (C) 2014-15 - ntop.org
--
_ifstats = interface.getStats()
print [[
<div id = "alert_placeholder"></div>
<style>
.node rect {
cursor: move;
fill-opacity: .9;
shape-rendering: crispEdges;
}
.node text {
pointer-events: none;
text-shadow: 0 1px 0 #fff;
}
.link {
fill: none;
stroke: #000;
stroke-opacity: .2;
}
.link:hover {
stroke-opacity: .5;
}
</style>
<div id="chart" style="margin-left: auto; margin-right: auto;"></div>
<script src="]] print(ntop.getHttpPrefix()) print[[/js/sankey.js"></script>
<script>
]]
-- Create javascript vlan boolean variable
if (_ifstats.iface_vlan) then print("var iface_vlan = true;") else print("var iface_vlan = false;") end
print [[
function b2s(bytes) {
var sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB'];
if (bytes == 0) return 'n/a';
var i = parseInt(Math.floor(Math.log(bytes) / Math.log(1024)));
return (bytes / Math.pow(1024, i)).toFixed(1) + ' ' + sizes[i];
};
function sankey() {
var w = $("#chart").width();
var h = window.innerHeight / 2;
var margin = {top: 1, right: 10, bottom: 1, left: 10},
width = w - margin.left - margin.right,
height = h - margin.top - margin.bottom;
var formatNumber = d3.format(",.0f"),
format = function(sent, rcvd) { return "[sent: "+b2s(sent)+", rcvd: "+b2s(rcvd)+"]"; },
color = d3.scale.category20();
]]
-- Default value
active_sankey = "host"
local debug = false
if(_GET["sprobe"] ~= nil) then
print('d3.json("'..ntop.getHttpPrefix()..'/lua/sprobe_hosts_data.lua"');
else
if(_GET["host"] ~= nil) then
print('d3.json("'..ntop.getHttpPrefix()..'/lua/iface_flows_sankey.lua?ifname='..ifname..'&' ..hostinfo2url(host_info).. '"')
elseif((_GET["hosts"] ~= nil) and (_GET["aggregation"] ~= nil)) then
print('d3.json("'..ntop.getHttpPrefix()..'/lua/hosts_comparison_sankey.lua?ifname='..ifname..'&'..'hosts='.._GET["hosts"] .. '&aggregation='.._GET["aggregation"] ..'"')
active_sankey = "comparison"
elseif(_GET["hosts"] ~= nil) then
print('d3.json("'..ntop.getHttpPrefix()..'/lua/hosts_comparison_sankey.lua?ifname='..ifname..'&'..'hosts='.._GET["hosts"] ..'"')
active_sankey = "comparison"
else
print('d3.json("'..ntop.getHttpPrefix()..'/lua/iface_flows_sankey.lua"')
end
end
if (debug) then io.write("Active sankey: "..active_sankey.."\n") end
print [[
, function(hosts) {
if ((hosts.links.length == 0) && (hosts.nodes.length == 0)) {
$('#alert_placeholder').html('<div class="alert alert-warning"><button type="button" class="close" data-dismiss="alert">x</button><strong>Warning: </strong>There are no talkers for the current host.</div>');
return;
}
d3.select("#chart").select("svg").remove();
var svg_sankey = d3.select("#chart").append("svg")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
var sankey = d3.sankey()
.nodeWidth(15)
.nodePadding(10)
.size([width, height]);
var path = sankey.link();
sankey
.nodes(hosts.nodes)
.links(hosts.links)
.layout(32);
]]
if (active_sankey == "host") then
print [[
/* Color the link according to traffic prevalence */
var colorlink = function(d){
if (d.sent > d.rcvd) return color(d.source.name);
else return color(d.target.name);
}
var link = svg_sankey.append("g").selectAll(".link")
.data(hosts.links)
.enter().append("path")
.attr("class", "link")
.attr("d", path)
.style("stroke-width", function(d) { return Math.max(1, d.dy); })
.style("stroke", function(d){ return d.color = colorlink(d); })
.sort(function(a, b) { return b.dy - a.dy; })
.on("dblclick", function(d) {
url_ref = "]]
print (ntop.getHttpPrefix())
print [[/lua/hosts_comparison.lua?hosts="+escape(d.source.host);
if(iface_vlan )
url_ref += "@"+escape(d.source.vlan);
url_ref += ","+escape(d.target.host);
if(iface_vlan )
url_ref += "@"+escape(d.target.vlan);
window.location.href = url_ref;
});
link.append("title")
.text(function(d) { return d.source.name + " - " + d.target.name + "\n" + format(d.sent, d.rcvd) + "\n Double click to show more information about the flows between this two host." ; });
var node = svg_sankey.append("g").selectAll(".node")
.data(hosts.nodes)
.enter().append("g")
.attr("class", "node")
.attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; })
.call(d3.behavior.drag()
.origin(function(d) { return d; })
.on("dragstart", function() { this.parentNode.appendChild(this); })
.on("drag", dragmove));
node.append("rect")
.attr("height", function(d) { return d.dy; })
.attr("width", sankey.nodeWidth())
.style("fill", function(d) { return d.color = color(d.name.replace(/ .*/, "")); })
.style("stroke", function(d) { return d3.rgb(d.color).darker(2); })
.append("title")
.text(function(d) { return d.name + "\n" + format(d.value); });
/* Hook for clicking on host name */
node.append("rect")
.attr("x", -4 -100)
.attr("y", function(d) { return (d.dy/2)-7; })
.attr("height", 12)
.attr("width", 150)
.style("opacity", "0")
.on("click", function(d) { window.location.href = "]]
print (ntop.getHttpPrefix())
print [[/lua/host_details.lua?host="+escape(d.host)+"@"+escape(d.vlan); })
.attr("transform", null)
.filter(function(d) { return d.x < width / 2; })
.attr("x", 4 + sankey.nodeWidth())
.append("title")
.text(function(d) { return "Host: " + d.host + "\nVlan: " + d.vlan});
node.append("text")
.attr("x", -6)
.attr("y", function(d) { return d.dy / 2; })
.attr("dy", ".35em")
.attr("text-anchor", "end")
.attr("transform", null)
.text(function(d) { return (d.name); })
.filter(function(d) { return d.x < width / 2; })
.attr("x", 6 + sankey.nodeWidth())
.attr("text-anchor", "start");
]]
elseif(active_sankey == "comparison") then
_ifstats = interface.getStats()
if(_ifstats.iface_sprobe) then
url = ntop.getHttpPrefix().."/lua/sflows_stats.lua?"
else
url = ntop.getHttpPrefix().."/lua/flows_stats.lua?"
end
print [[
/* Color the link according to traffic volume */
var colorlink = function(d){
return color(d.value);
}
var link = svg_sankey.append("g").selectAll(".link")
.data(hosts.links)
.enter().append("path")
.attr("class", "link")
.attr("d", path)
.style("stroke-width", function(d) { return Math.max(1, d.dy); })
.style("stroke", function(d){ return d.color = colorlink(d); })
.sort(function(a, b) { return b.dy - a.dy; })
.on("dblclick", function(d) { window.location.href = "]]
print(url.."hosts=".._GET["hosts"])
print [[&aggregation="+escape(d.aggregation)+"&key="+escape(d.target.name) ; });
link.append("title")
.text(function(d) { return d.source.name + " - " + d.target.name + "\n" + bytesToVolume(d.value)+ "\n Double click to show more information about this flows." ; });
var node = svg_sankey.append("g").selectAll(".node")
.data(hosts.nodes)
.enter().append("g")
.attr("class", "node")
.attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; })
.call(d3.behavior.drag()
.origin(function(d) { return d; })
.on("dragstart", function() { this.parentNode.appendChild(this); })
.on("drag", dragmove));
node.append("rect")
.attr("height", function(d) { return d.dy; })
.attr("width", sankey.nodeWidth())
.style("fill", function(d) { return d.color = color(d.name.replace(/ .*/, "")); })
.style("stroke", function(d) { return d3.rgb(d.color).darker(2); })
.append("title")
.text(function(d) {
return (d.name);
});
/* Hook for clicking on host name */
node.append("rect")
.attr("x", -4 -100)
.attr("y", function(d) { return (d.dy/2)-7; })
.attr("height", 12)
.attr("width", 150)
.style("opacity", "0")
.attr("transform", null)
.filter(function(d) { return d.x < width / 2; })
.attr("x", 4 + sankey.nodeWidth())
.append("title")
.text(function(d) { return "Ip: " + d.ip + " Vlan: " + d.vlan});
node.append("text")
.attr("x", -6)
.attr("y", function(d) { return d.dy / 2; })
.attr("dy", ".35em")
.attr("text-anchor", "end")
.attr("transform", null)
.text(function(d) {
return (d.name);
})
.filter(function(d) { return d.x < width / 2; })
.attr("x", 6 + sankey.nodeWidth())
.attr("text-anchor", "start");
]]
end
print [[
function dragmove(d) {
d3.select(this).attr("transform", "translate(" + d.x + "," + (d.y = Math.max(0, Math.min(height - d.dy, d3.event.y))) + ")");
sankey.relayout();
link.attr("d", path);
}
});
}
sankey();
// Refresh every 5 seconds
var sankey_interval = window.setInterval(sankey, 5000);
</script>]]