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netDetour = netDetour or {}

netDetour.enabled = true
netDetour.fileOutput = true
netDetour.whiteList = {
    ExampleNetMessage = true,
}

netDetour.whiteList = table.LowerKeyNames(netDetour.whiteList)

function netDetour.Incoming(len, client)
    local i = net.ReadHeader()
    local strName = util.NetworkIDToString(i)

    if (!strName) then return end

    local func = net.Receivers[strName:lower()]
    if (!func) then return end

    len = len - 16

    func(len, client)

    if netDetour.whiteList[strName:lower()] then return end
    hook.Run("netDetour:Incoming", client, strName)
end

hook.Add("netDetour:Incoming", "netDetour.Incoming", function(ply, netName)
    local time = os.date("%H:%M:%S - %d/%m/%Y" , os.time())
    local data = Format("[%s] - %s (%s) sent %s", time, ply:GetName(), ply:SteamID(), netName)

    print(data)

    if not netDetour.fileOutput then return end

    file.Append("netlog.txt", data .. "\n")
end)

netDetour.original = netDetour.original or net.Incoming

if netDetour.enabled then
    net.Incoming = netDetour.Incoming
else
    net.Incoming = netDetour.original
end