From 99c07fae615a1f44a2eb24eb973700931017b248 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@helsinki.at>
Date: Tue, 5 Apr 2011 13:36:13 +0000
Subject: added nopsysstated


diff --git a/rhnop-client/db.lua b/rhnop-client/db.lua
index 5a6a92c..17e91f1 100644
--- a/rhnop-client/db.lua
+++ b/rhnop-client/db.lua
@@ -28,6 +28,8 @@ require "luasql.mysql"
 -- USE nop
 -- CREATE TABLE IF NOT EXISTS master (timestamp BIGINT UNSIGNED PRIMARY KEY NOT NULL, cart INT NOT NULL, len INT, showtitle VARCHAR(255), title VARCHAR(255), artist VARCHAR(255), album VARCHAR(255), ismusic BOOLEAN);
 -- CREATE TABLE IF NOT EXISTS standby (timestamp BIGINT UNSIGNED PRIMARY KEY NOT NULL, cart INT NOT NULL, len INT, showtitle VARCHAR(255), title VARCHAR(255), artist VARCHAR(255), album VARCHAR(255), ismusic BOOLEAN);
+-- CREATE TABLE IF NOT EXISTS state (timestamp BIGINT UNSIGNED PRIMARY KEY NOT NULL, state VARCHAR(32));
+-- GRANT select,insert,update ON nop.state TO 'nopsysstated' IDENTIFIED BY '<password>';
 
 local db = {}
 
@@ -111,6 +113,28 @@ function db.init(db, user, pwd, host, port, table)
       return true
    end
    
+   function mydb:getLastSysState()
+      local cur, err = self.con:execute("SELECT state FROM " .. self.table .. " WHERE timestamp = (SELECT MAX(timestamp) FROM " .. self.table .. ")")
+      if cur == nil then
+         return nil, err
+      end
+      
+      local state = cur:fetch()
+      if state == nil then state = "unknown" end
+      return state
+   end
+
+   function mydb:updateSysState(timestamp, state)
+      local t = self.con:escape(timestamp)
+      local s = self.con:escape(state)
+
+      local cur, err = self.con:execute("INSERT INTO " .. self.table .. " VALUES('" .. t .. "', '" .. s .. "')")
+      if cur == nil then
+         return nil, err
+      end
+      return true
+   end
+
    function mydb:close()
       if self.con then
          self.con:close()
diff --git a/rhnop-client/nopsysstated b/rhnop-client/nopsysstated
new file mode 100755
index 0000000..a47a0ce
--- /dev/null
+++ b/rhnop-client/nopsysstated
@@ -0,0 +1,71 @@
+#!/usr/bin/lua
+--
+--  rhnop
+--
+--  Copyright (C) 2011 Christian Pointner <equinox@helsinki.at>
+--
+--  This file is part of rhnop.
+--
+--  rhnop is free software: you can redistribute it and/or modify
+--  it under the terms of the GNU General Public License as published by
+--  the Free Software Foundation, either version 3 of the License, or
+--  any later version.
+--
+--  rhnop 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 rhnop. If not, see <http://www.gnu.org/licenses/>.
+--
+--
+--  send now and next cart# and length to nopsyncd
+--  this script should be called by the now/next macro cart
+--  the arguments should be:  now# nowlen next# nextlen
+--
+
+require "socket"
+
+package.path = package.path .. ";_rhnoplibdir_/?.lua"
+db = require "db"
+
+conffile = "nopsysstated.conf"
+conf = require "conf"
+
+db = assert(db.init(conf.db_db, conf.db_user, conf.db_pwd, conf.db_host, conf.db_port, conf.db_table))
+
+local sock = assert(socket.tcp())
+local ret, err = sock:connect(conf.host, conf.port)
+if ret == nil then
+   print(err)
+   return 1
+end
+print "connection established"
+
+local current_state, err = db:getLastSysState()
+if current_state == nil then
+   print(err)
+   return 1
+end
+print("current state according to db is " .. current_state)
+
+while true do
+   local state = sock:receive('*l')
+   if state == nil then break end
+   if state ~= current_state then
+      -- reading timestamp (milliseconds since epoch)
+      local p = assert(io.popen("/bin/date --utc '+%s %N'" , 'r'))
+      local time = assert(p:read('*l'))
+      p:close()
+      local s, ns = assert(string.match(time, "([0-9]+) ([0-9]+)"))
+      local timestamp = s .. string.format("%06d", math.floor(ns/1000))
+
+      assert(db:updateSysState(timestamp, state))
+      current_state = state
+   end
+end
+
+sock:close()
+
+return 0
diff --git a/rhnop-client/nopsysstated.conf b/rhnop-client/nopsysstated.conf
new file mode 100644
index 0000000..b9892c8
--- /dev/null
+++ b/rhnop-client/nopsysstated.conf
@@ -0,0 +1,9 @@
+host=rhctl.helsinki.at
+port=2345
+
+db_db=nop
+db_table=state
+db_host=127.0.0.1
+#db_port=3306
+db_user=nopsysstated
+db_pwd=123456
-- 
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