root/luci/trunk/modules/admin-full/luasrc/controller/admin/status.lua @ 7362

--[[
LuCI - Lua Configuration Interface

Copyright 2008 Steven Barth <steven@midlink.org>
Copyright 2011 Jo-Philipp Wich <xm@subsignal.org>

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

$Id$
]]--

module("luci.controller.admin.status", package.seeall)

function index()
    entry({"admin", "status"}, alias("admin", "status", "overview"), _("Status"), 20).index = true
    entry({"admin", "status", "overview"}, template("admin_status/index"), _("Overview"), 1)
    entry({"admin", "status", "iptables"}, call("action_iptables"), _("Firewall"), 2).leaf = true
    entry({"admin", "status", "routes"}, template("admin_status/routes"), _("Routes"), 3)
    entry({"admin", "status", "syslog"}, call("action_syslog"), _("System Log"), 4)
    entry({"admin", "status", "dmesg"}, call("action_dmesg"), _("Kernel Log"), 5)

    entry({"admin", "status", "load"}, template("admin_status/load"), _("Realtime Load"), 6).leaf = true
    entry({"admin", "status", "load_status"}, call("action_load")).leaf = true

    entry({"admin", "status", "bandwidth"}, template("admin_status/bandwidth"), _("Realtime Traffic"), 7).leaf = true
    entry({"admin", "status", "bandwidth_status"}, call("action_bandwidth")).leaf = true

    entry({"admin", "status", "connections"}, template("admin_status/connections"), _("Realtime Connections"), 8).leaf = true
    entry({"admin", "status", "connections_status"}, call("action_connections")).leaf = true

    entry({"admin", "status", "processes"}, cbi("admin_status/processes"), _("Processes"), 20)
end

function action_syslog()
    local syslog = luci.sys.syslog()
    luci.template.render("admin_status/syslog", {syslog=syslog})
end

function action_dmesg()
    local dmesg = luci.sys.dmesg()
    luci.template.render("admin_status/dmesg", {dmesg=dmesg})
end

function action_iptables()
    if luci.http.formvalue("zero") then
        if luci.http.formvalue("zero") == "6" then
            luci.util.exec("ip6tables -Z")
        else
            luci.util.exec("iptables -Z")
        end
        luci.http.redirect(
            luci.dispatcher.build_url("admin", "status", "iptables")
        )
    elseif luci.http.formvalue("restart") == "1" then
        luci.util.exec("/etc/init.d/firewall restart")
        luci.http.redirect(
            luci.dispatcher.build_url("admin", "status", "iptables")
        )
    else
        luci.template.render("admin_status/iptables")
    end
end

function action_bandwidth()
    local path  = luci.dispatcher.context.requestpath
    local iface = path[#path]

    local fs = require "luci.fs"
    if fs.access("/var/lib/luci-bwc/if/%s" % iface) then
        luci.http.prepare_content("application/json")

        local bwc = io.popen("luci-bwc -i %q 2>/dev/null" % iface)
        if bwc then
            luci.http.write("[")

            while true do
                local ln = bwc:read("*l")
                if not ln then break end
                luci.http.write(ln)
            end

            luci.http.write("]")
            bwc:close()
        end

        return
    end

    luci.http.status(404, "No data available")
end

function action_load()
    local fs = require "luci.fs"
    if fs.access("/var/lib/luci-bwc/load") then
        luci.http.prepare_content("application/json")

        local bwc = io.popen("luci-bwc -l 2>/dev/null")
        if bwc then
            luci.http.write("[")

            while true do
                local ln = bwc:read("*l")
                if not ln then break end
                luci.http.write(ln)
            end

            luci.http.write("]")
            bwc:close()
        end

        return
    end

    luci.http.status(404, "No data available")
end

function action_connections()
    local fs  = require "luci.fs"
    local sys = require "luci.sys"

    luci.http.prepare_content("application/json")

    luci.http.write("{ connections: ")
    luci.http.write_json(sys.net.conntrack())

    if fs.access("/var/lib/luci-bwc/connections") then
        local bwc = io.popen("luci-bwc -c 2>/dev/null")
        if bwc then
            luci.http.write(", statistics: [")

            while true do
                local ln = bwc:read("*l")
                if not ln then break end
                luci.http.write(ln)
            end

            luci.http.write("]")
            bwc:close()
        end
    end

    luci.http.write(" }")
end