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This commit is contained in:
Luca Deri 2025-06-27 15:55:02 +02:00
parent 93c210e075
commit ab64c9a2d8
1 changed files with 22 additions and 2 deletions
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24
scripts/lua/rest/v2/get/asn/sankey.lua
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@ -1,6 +1,26 @@
--
-- (C) 2013-25 - ntop.org
--
--
-- Logic implemented.
-- Example for a given router 1.2.3.4 the flows below are rcvd
-- (a) [ASN] src=34978 -> dst=12337 | [Port Idx] in=146 -> out=132 | sent=60 / rcvd=0
-- (b) [ASN] src=34978 -> dst=12337 | [Port Idx] in=146 -> out=136 | sent=0 / rcvd=594
--
-- Flow a
-- Port 146 = { rcvd = 60, sent = 0 }, port 132 = { rcvd = 0, sent = 60 }, port 136 = { rcvd = 0, sent = 0 }
-- ASN 34978 = { rcvd = 0, sent = 60 }
-- ASN 12337 = { rcvd = 60, sent = 0 }
--
-- Flow a+b
-- Port 146 = { rcvd = 60, sent = 594 }, port 132 = { rcvd = 0, sent = 60 }, port 136 = { rcvd = 594, sent = 0 }
-- ASN 34978 = { rcvd = 594, sent = 60 }
-- ASN 12337 = { rcvd = 60, sent = 594 }
--
local dirs = ntop.getDirs()
package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
@ -127,15 +147,15 @@ function callback (_, flow)
tot_bytes_exporter[flow.device_ip].rcvd = tot_bytes_exporter[flow.device_ip].rcvd + flow.bytes_sent
end
-- Don't double count flows with the same src/dst ASN
if(flow.in_index ~= flow.out_index) then
--if(true) then
-- (2) in index
n_id = flow.device_ip .. "@" .. flow.in_index
if(tot_bytes[n_id] == nil) then
tot_bytes[n_id] = { sent = 0, rcvd = 0, exporter_ip = flow.device_ip, port_index = flow.in_index }
end
if(flow.src_as == asn) then
tot_bytes[n_id].rcvd = tot_bytes[n_id].rcvd + flow.bytes_sent
elseif(flow.dst_as == asn) then