Adds VLANs lua getters

scripts/lua/modules/vlan_utils.lua

@@ -0,0 +1,38 @@
+require "lua_utils"
+
+-- Get from redis the throughput type bps or pps
+local throughput_type = getThroughputType()
+
+local now = os.time()
+
+function vlan2record(vlan)
+   local record = {}
+   record["key"] = tostring(vlan["vlan_id"])
+
+   local vlan_link = "<A HREF='"..ntop.getHttpPrefix()..'/lua/hosts_stats.lua?vlan='..vlan["vlan_id"].."' title='VLAN "..vlan["vlan_id"].."'>"..vlan["vlan_id"]..'</A>'
+   record["column_vlan"] = vlan_link
+
+   record["column_hosts"] = vlan["num_hosts"]..""
+   record["column_since"] = secondsToTime(now - vlan["seen.first"] + 1)
+
+   local sent2rcvd = round((vlan["bytes.sent"] * 100) / (vlan["bytes.sent"] + vlan["bytes.rcvd"]), 0)
+   record["column_breakdown"] = "<div class='progress'><div class='progress-bar progress-bar-warning' style='width: "
+      .. sent2rcvd .."%;'>Sent</div><div class='progress-bar progress-bar-info' style='width: " .. (100-sent2rcvd) .. "%;'>Rcvd</div></div>"
+
+   if(throughput_type == "pps") then
+      record["column_thpt"] = pktsToSize(vlan["throughput_pps"])
+   else
+      record["column_thpt"] = bitsToSize(8*vlan["throughput_bps"])
+   end
+
+   record["column_traffic"] = bytesToSize(vlan["bytes.sent"] + vlan["bytes.rcvd"])
+
+   record["column_chart"] = ""
+   local vlanstats_rrd = fixPath(dirs.workingdir .. "/" ..getInterfaceId(ifname)..'/vlanstats/'..vlan["vlan_id"]..'/bytes.rrd')
+   if ntop.exists(vlanstats_rrd) then
+      record["column_chart"] = '<A HREF="'..ntop.getHttpPrefix()..'/lua/hosts_stats.lua?vlan='..vlan["vlan_id"]..'&page=historical"><i class=\'fa fa-area-chart fa-lg\'></i></A>'
+   end
+
+   return record
+end
+