mirror of
https://github.com/ntop/ntopng.git
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1d9b35be42
* arp matrix graph and fix * bug fix * graph fix * bug fix * tests on arp graph * merged heatmap.js and map.js * graph dinamic resize * minor fix * graph dinamic width * graph performance improvement * clean code * fix manual refresh * message for empty graph * clean code * more clean * update arpMap and host details * migrate to v4.min version of d3.js
139 lines
4 KiB
Lua
139 lines
4 KiB
Lua
--
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-- (C) 2013-19 - ntop.org
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--
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local dirs = ntop.getDirs()
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package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
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require "lua_utils"
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local json = require("dkjson")
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sendHTTPContentTypeHeader('application/json')
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local matrix = interface.getArpStatsMatrixInfo()
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local host_info = url2hostinfo(_GET)
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local host_ip = host_info["host"]
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local page = _GET["page"]
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local treshold = 0
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local function createHeatmap(matrix, type)
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if not matrix then return nil end
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local t = {}
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local tmp = {}
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local v = 0
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local t_res = {}
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-- function cmp(a,b)
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-- return a.y_label > b.y_label
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-- end
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for _, m_elem in pairs(matrix) do
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for i,stats in pairs(m_elem)do
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tmp = split(i,"-")
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src_ip = tmp[1]
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dst_ip = tmp[2]
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if type == "requests" then v = stats["src2dst.requests"]
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elseif type == "replies" then v = stats["src2dst.replies"]
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elseif type == "all" then v = stats["src2dst.requests"] + stats["src2dst.replies"]
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end
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if v > treshold then
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table.insert( t_res, { x_label = dst_ip, y_label = src_ip, value = v })
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end
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v = 0
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if type == "requests" then v = stats["dst2src.requests"]
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elseif type == "replies" then v = stats["dst2src.replies"]
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elseif type == "all" then v = stats["dst2src.requests"] + stats["dst2src.replies"]
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end
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if v > treshold then
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table.insert( t_res, { x_label = src_ip, y_label = dst_ip, value = v })
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end
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--table.sort(t_res, cmp) --for lexicographical order
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end
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end
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return t_res
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end
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--NOTE: function currently not used
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local function createMap4Target(matrix, type, ip_target)
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local tmp = {}
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local v = 0
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local t_res = {}
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local treshold = 0
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for _, m_elem in pairs(matrix) do
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for i,stats in pairs(m_elem)do
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tmp = split(i,"-")
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src_ip = tmp[1]
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dst_ip = tmp[2]
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if type == "requests" then v = stats["src2dst.requests"]
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elseif type == "replies" then v = stats["src2dst.replies"]
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elseif type == "all" then v = stats["src2dst.requests"] + stats["src2dst.replies"]
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end
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if (v > treshold) and (src_ip == ip_target) then
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table.insert( t_res, { x_label = dst_ip, y_label = src_ip, value = v })
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end
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v = 0
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if type == "requests" then v = stats["dst2src.requests"]
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elseif type == "replies" then v = stats["dst2src.replies"]
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elseif type == "all" then v = stats["dst2src.requests"] + stats["dst2src.replies"]
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end
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if (v > treshold) and (dst_ip == ip_target) then
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table.insert( t_res, { x_label = src_ip, y_label = dst_ip, value = v })
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end
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end
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end
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return t_res
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end
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--return 2 counters: number of ARP requests received, and the number of senders for that requests
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local function arpTalkers(matrix, host_ip)
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local req_num = 0;
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local talkers_num = 0;
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if (matrix and host_ip) then
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for _, m_elem in pairs(matrix) do
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for i, stats in pairs(m_elem)do
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tmp = split(i,"-")
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src_ip = tmp[1]
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dst_ip = tmp[2]
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if ((stats["src2dst.requests"] > 0) and (src_ip == host_ip)) or
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((stats["dst2src.requests"] > 0) and (dst_ip == host_ip))then
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req_num = req_num + stats["src2dst.requests"] + stats["dst2src.requests"]
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talkers_num = talkers_num + 1
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end
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end
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end
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end
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return {talkers_num = talkers_num, req_num = req_num}
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end
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if host_ip then
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print( json.encode( arpTalkers(matrix, host_ip) ) )
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else
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print( json.encode( createHeatmap(matrix, "all"), {indent = true} ) )
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end
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