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--
-- sfive
--
-- sfive - spreadspace streaming statistics suite is a generic
-- statistic collection tool for streaming server infrastuctures.
-- The system collects and stores meta data like number of views
-- and throughput from a number of streaming servers and stores
-- it in a global data store.
-- The data acquisition is designed to be generic and extensible in
-- order to support different streaming software.
-- sfive also contains tools and applications to filter and visualize
-- live and recorded data.
--
--
-- Copyright (C) 2014 Christian Pointner <equinox@spreadspace.org>
--                    Markus Grueneis <gimpf@gimpf.org>
--
-- This file is part of sfive.
--
-- sfive is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License version 3
-- as published by the Free Software Foundation.
--
-- sfive is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with sfive. If not, see <http://www.gnu.org/licenses/>.
--
--
-- Install this by adding the following to your nginx.conf
--
-- location /path/to/hls {
--   log_by_lua_file '/path/to/s5-nginx.lua';
-- }
--

local status = ngx.var.status

if status == '200' or status == '206' then
  local json = '{'
  json = json .. '"time": "' .. string.gsub(ngx.utctime(), " ", "T", 1) .. '",'
  json = json .. '"client": "' .. ngx.var.remote_addr .. '",'
  json = json .. '"port": ' .. ngx.var.remote_port .. ','
  json = json .. '"ua": "' .. ngx.var.http_user_agent .. '",'
  json = json .. '"uri": "' .. ngx.var.uri .. '",'
  json = json .. '"status": ' .. status .. ','
  json = json .. '"bytes_sent": ' .. ngx.var.bytes_sent
  json = json .. '}'

  ngx.log(ngx.ERR, json)
end