Implemented ASN user traffic breakdown (#9595)

scripts/lua/rest/v2/get/asn/pie.lua

@@ -0,0 +1,88 @@
+--
+-- (C) 2013-25 - ntop.org
+--
+dirs = ntop.getDirs()
+package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
+
+require "check_redis_prefs"
+require "flow_utils"
+local rest_utils = require "rest_utils"
+local flow_pie = require "flow_pie"
+local format_utils = require "format_utils"
+local graph_utils = require "graph_utils"
+
+-- Retrieve the info from the rest
+local asn = tonumber(_GET["asn"] or 0)
+local ifid = _GET["ifid"] or interface.getId()
+local criteria_as = _GET["criteria_as"]
+local data_type = _GET["type"] or ""
+local epoch_begin = nil
+local epoch_end = nil
+local res = {}
+local filters = {}
+local queries = {}
+
+-- Empty ASN return an error
+if isEmptyString(asn) or (asn == 0) then
+    rest_utils.answer(rest_utils.consts.err.invalid_args)
+    return
+end
+
+-- In case historical data has been requested, add the epoch_begin and epoch_end
+if data_type == "historical" and hasClickHouseSupport() then
+    -- Handle the epoch only with the historical
+    epoch_begin = tonumber(_GET["epoch_begin"])
+    epoch_end = tonumber(_GET["epoch_end"])
+end
+
+if criteria_as == "user_traffic_breakdown" then
+    queries = {
+        {
+            select_query = {
+                "src_asn", "total_bytes"
+            },
+            rename_key_field = {"costumer"},
+            different_from = {nil, "src_asn", "dst_asn"},
+            skip_flow = {{key = "src_asn", value = "0"}},
+            where_query = {"dst_asn"},
+            sort_by = {"total_bytes"},
+            filters = {
+                dst_asn = asn,
+                ifid = ifid,
+                first_seen = epoch_begin,
+                last_seen = epoch_end
+            },
+            only_costumers = true,
+            value_ref = "total_bytes",
+            section_ref = "costumer"
+        }, {
+            select_query = {
+                "dst_asn", "total_bytes"
+            },
+            rename_key_field = {"costumer"},
+            where_query = {"src_asn"},
+            sort_by = {"total_bytes"},
+            different_from = {"src_asn", "dst_asn"},
+            skip_flow = {{key = "dst_asn", value = 0}},
+            filters = {
+                src_asn = asn,
+                ifid = ifid,
+                first_seen = epoch_begin,
+                last_seen = epoch_end
+            },
+            only_costumers = true,
+            value_ref = "total_bytes",
+            section_ref = "costumer"
+        }
+    }
+end
+
+local sections
+sections = flow_pie.generatePie(queries, 10000)
+
+table.sort(sections, function(a, b)
+  return a.value > b.value
+end)
+
+local js_formatter = "formatValue"
+rest_utils.extended_answer(rest_utils.consts.success.ok, graph_utils.convert_pie_data(sections, true, js_formatter))