applications/luci-app-aria2/luasrc/controller/aria2.lua

   1 -- Copyright 2016-2019 Xingwang Liao <kuoruan@gmail.com>
   2 -- Licensed to the public under the MIT License.
   3
   4 local fs   = require "nixio.fs"
   5 local sys  = require "luci.sys"
   6 local http = require "luci.http"
   7 local util = require "luci.util"
   8 local uci  = require "luci.model.uci".cursor()
   9
  10 module("luci.controller.aria2", package.seeall)
  11
  12 function index()
  13         if not nixio.fs.access("/etc/config/aria2") then
  14                 return
  15         end
  16
  17         entry({"admin", "services", "aria2"},
  18                 firstchild(), _("Aria2")).dependent = false
  19
  20         entry({"admin", "services", "aria2", "config"},
  21                 cbi("aria2/config"), _("Configuration"), 1)
  22
  23         entry({"admin", "services", "aria2", "file"},
  24                 form("aria2/files"), _("Files"), 2)
  25
  26         entry({"admin", "services", "aria2", "log"},
  27                 firstchild(), _("Log"), 3)
  28
  29         entry({"admin", "services", "aria2", "log", "view"},
  30                 template("aria2/log_template"))
  31
  32         entry({"admin", "services", "aria2", "log", "read"},
  33                 call("action_log_read"))
  34
  35         entry({"admin", "services", "aria2", "status"},
  36                 call("action_status"))
  37
  38 end
  39
  40 function action_status()
  41         local status = {
  42                 running = (sys.call("pidof aria2c >/dev/null") == 0)
  43         }
  44
  45         http.prepare_content("application/json")
  46         http.write_json(status)
  47 end
  48
  49 function action_log_read()
  50         local data = { log = "", syslog = "" }
  51
  52         local log_file = uci:get("aria2", "main", "log") or "/var/log/aria2.log"
  53         if fs.access(log_file) then
  54                 data.log = util.trim(sys.exec("tail -n 50 %s | sed 'x;1!H;$!d;x'" % log_file))
  55         end
  56
  57         data.syslog = util.trim(sys.exec("logread | grep aria2 | tail -n 50 | sed 'x;1!H;$!d;x'"))
  58
  59         http.prepare_content("application/json")
  60         http.write_json(data)
  61 end