added rest API mac traffic information (#8885)

* added asset management utils

* added rest API mac traffic information

scripts/lua/rest/v2/get/mac/data.lua

@@ -0,0 +1,69 @@
+--
+-- (C) 2013-24 - ntop.org
+--
+
+local dirs = ntop.getDirs()
+package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
+
+require "lua_utils"
+local json = require ("dkjson")
+local tracker = require("tracker")
+local rest_utils = require("rest_utils")
+
+--
+-- Read information about a host
+-- Example: curl -u admin:admin -H "Content-Type: application/json" -d '{"ifid": "1", "mac" : "FF:FF:FF:FF:FF:FF"}' http://localhost:3000/lua/rest/v2/get/mac/data.lua
+--
+-- NOTE: in case of invalid login, no error is returned but redirected to login
+--
+
+local rc = rest_utils.consts.success.ok
+local res = {}
+
+local ifid = _GET["ifid"]
+local mac = _GET["mac"]
+
+local function format_data(mac) 
+    local res = {}
+    if not isEmptyString(mac["fingerprint"]) then
+        res["fingerprint"] = mac["fingerprint"]
+    end
+    
+    res["first_seen"] = mac["seen.first"]
+    res["last_seen"] = mac["seen.last"]
+    res["num_hosts"] = mac["num_hosts"]
+    res["tot_bytes_sent"] = mac["bytes.sent"]
+    res["tot_bytes_recv"] = mac["bytes.recv"]
+    
+    res["arp"] = {}
+    res["arp"]["arp_replies.rcvd"]=mac["arp_replies.rcvd"]
+    res["arp"]["arp_replies_sent"]=mac["arp_replies.sent"]
+    res["arp"]["arp_requests_rcvd"]=mac["arp_requests.rcvd"]
+    res["arp"]["arp_requests_sent"]=mac["arp_requests.sent"]
+    return res 
+end
+
+if isEmptyString(ifid) then
+   rest_utils.answer(rest_utils.consts.err.invalid_interface)
+   return
+end
+
+interface.select(ifid)
+
+if not mac then
+    local macs = interface.getMacsInfo(nil, nil, nil, nil,true --[[ sourceMacsOnly ]], nil, nil, nil, nil, nil)
+    for k, v in pairs(macs["macs"]) do
+        res[v["mac"]] = format_data(v)
+    end
+else
+    local mac = interface.getMacInfo(mac)
+    if not mac then
+        rest_utils.answer(rest_utils.consts.err.not_found)
+        return
+    end
+
+    res = format_data(mac)
+end
+
+rest_utils.answer(rc, res)
+