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Fixes nil value

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This commit is contained in:
MatteoBiscosi 2022-11-04 19:19:07 +01:00
parent 784eae3c8b
commit 2a0254ace3
1 changed files with 37 additions and 36 deletions
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73
scripts/lua/rest/v2/get/host/stats/l4_traffic.lua
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@ -22,49 +22,50 @@ local ifid = _GET["ifid"] or interface.getId()
local host_ip = _GET["host"]
local host_vlan = _GET["vlan"] or 0
local host = interface.getHostInfo(host_ip, host_vlan)
if host then
local total = 0
local proto_info = {}
local timeseries_not_available = (host["localhost"] == false or host["is_multicast"] == true or host["is_broadcast"] == true)
local total = 0
local proto_info = {}
local timeseries_not_available = (host["localhost"] == false or host["is_multicast"] == true or host["is_broadcast"] == true)
-- Calculate total bytes
for id, _ in ipairs(l4_keys) do
local k = l4_keys[id][2]
total = total + (host[k..".bytes.sent"] or 0) + (host[k..".bytes.rcvd"] or 0)
end
-- Calculate total bytes
for id, _ in ipairs(l4_keys) do
local k = l4_keys[id][2]
total = total + (host[k..".bytes.sent"] or 0) + (host[k..".bytes.rcvd"] or 0)
end
-- Getting l4 protocols info
for id, _ in ipairs(l4_keys) do
local k = l4_keys[id][2]
if host[k..".bytes.sent"] or host[k..".bytes.rcvd"] then
local proto_stats = {}
-- Getting l4 protocols info
for id, _ in ipairs(l4_keys) do
local k = l4_keys[id][2]
if host[k..".bytes.sent"] or host[k..".bytes.rcvd"] then
local proto_stats = {}
if host[k..".bytes.sent"] then
proto_stats["bytes_sent"] = host[k..".bytes.sent"] or 0
end
if host[k..".bytes.sent"] then
proto_stats["bytes_sent"] = host[k..".bytes.sent"] or 0
if host[k..".bytes.rcvd"] then
proto_stats["bytes_rcvd"] = host[k..".bytes.rcvd"] or 0
end
proto_stats["protocol"] = l4_keys[id][1] or "" .. " " .. historicalProtoHostHref(ifid, host_ip, l4_keys[id][1], nil, nil, host_vlan, true) or ""
proto_stats["total_bytes"] = (host[k..".bytes.sent"] or 0) + (host[k..".bytes.rcvd"] or 0)
proto_stats["total_percentage"] = round((proto_stats["total_bytes"] * 100) / total, 2)
if(areHostTimeseriesEnabled(ifId) and ntop.getPref("ntopng.prefs.hosts_ts_creation") == "full") and not timeseries_not_available then -- Check if the host timeseries are enabled
proto_stats["historical"] = hostinfo2detailshref(host, {page = "historical", ts_schema = "host:l4protos", l4proto = k}, '<i class="fas fa-chart-area"></i>')
end
if proto_stats["total_bytes"] > 0 then
-- Add the stats only if greater then 0
proto_info[#proto_info + 1] = proto_stats
end
end
end
if host[k..".bytes.rcvd"] then
proto_stats["bytes_rcvd"] = host[k..".bytes.rcvd"] or 0
end
proto_stats["protocol"] = l4_keys[id][1] or "" .. " " .. historicalProtoHostHref(ifid, host_ip, l4_keys[id][1], nil, nil, host_vlan, true) or ""
proto_stats["total_bytes"] = (host[k..".bytes.sent"] or 0) + (host[k..".bytes.rcvd"] or 0)
proto_stats["total_percentage"] = round((proto_stats["total_bytes"] * 100) / total, 2)
if(areHostTimeseriesEnabled(ifId) and ntop.getPref("ntopng.prefs.hosts_ts_creation") == "full") and not timeseries_not_available then -- Check if the host timeseries are enabled
proto_stats["historical"] = hostinfo2detailshref(host, {page = "historical", ts_schema = "host:l4protos", l4proto = k}, '<i class="fas fa-chart-area"></i>')
end
if proto_stats["total_bytes"] > 0 then
-- Add the stats only if greater then 0
proto_info[#proto_info + 1] = proto_stats
end
if table.len(proto_info) > 0 then
rsp = proto_info
end
end
if table.len(proto_info) > 0 then
rsp = proto_info
end
rest_utils.answer(rc, rsp)