From 6acb5c2ab4093973d03657f9eea248c135f58cfc Mon Sep 17 00:00:00 2001
From: Manuel Munz <freifunk@somakoma.de>
Date: Mon, 28 Nov 2011 04:42:50 +0000
Subject: [PATCH] applications/luci-statistics: Add support for memory plugin
 and initial support for conntrack

---
 .../controller/luci_statistics/luci_statistics.lua |  6 ++--
 .../luasrc/model/cbi/luci_statistics/memory.lua    | 21 ++++++++++++++
 .../statistics/rrdtool/definitions/memory.lua      | 33 ++++++++++++++++++++++
 .../luci-statistics/root/usr/bin/stat-genconfig    |  9 ++++++
 4 files changed, 67 insertions(+), 2 deletions(-)
 create mode 100644 applications/luci-statistics/luasrc/model/cbi/luci_statistics/memory.lua
 create mode 100644 applications/luci-statistics/luasrc/statistics/rrdtool/definitions/memory.lua

diff --git a/applications/luci-statistics/luasrc/controller/luci_statistics/luci_statistics.lua b/applications/luci-statistics/luasrc/controller/luci_statistics/luci_statistics.lua
index 1a7472781..2508f9308 100644
--- a/applications/luci-statistics/luasrc/controller/luci_statistics/luci_statistics.lua
+++ b/applications/luci-statistics/luasrc/controller/luci_statistics/luci_statistics.lua
@@ -40,6 +40,7 @@ function index()
 		rrdtool		= _("RRDTool"),
 		network		= _("Network"),
 		unixsock	= _("UnixSock"),
+		conntrack       = _("Conntrack"),
 		csv			= _("CSV Output"),
 		exec		= _("Exec"),
 		email		= _("Email"),
@@ -50,6 +51,7 @@ function index()
 		processes	= _("Processes"),
 		load		= _("System Load"),
 		interface	= _("Interfaces"),
+		memory		= _("Memory"),
 		netlink		= _("Netlink"),
 		iptables	= _("Firewall"),
 		tcpconns	= _("TCP Connections"),
@@ -62,8 +64,8 @@ function index()
 	-- our collectd menu
 	local collectd_menu = {
 		output  = { "rrdtool", "network", "unixsock", "csv" },
-		system  = { "exec", "email", "cpu", "df", "disk", "irq", "processes", "load" },
-		network = { "interface", "netlink", "iptables", "tcpconns", "ping", "dns", "wireless", "olsrd" }
+		system  = { "exec", "email", "cpu", "df", "disk", "irq", "memory", "processes", "load" },
+		network = { "interface", "netlink", "iptables", "conntrack", "tcpconns", "ping", "dns", "wireless", "olsrd" }
 	}
 
 	-- create toplevel menu nodes
diff --git a/applications/luci-statistics/luasrc/model/cbi/luci_statistics/memory.lua b/applications/luci-statistics/luasrc/model/cbi/luci_statistics/memory.lua
new file mode 100644
index 000000000..5510a5a8e
--- /dev/null
+++ b/applications/luci-statistics/luasrc/model/cbi/luci_statistics/memory.lua
@@ -0,0 +1,21 @@
+--[[
+
+Copyright 2011 Manuel Munz <freifunk at somakoma dot de>
+
+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
+]]--
+
+m = Map("luci_statistics",
+	translate("Memory Plugin Configuration"),
+	translate("The memory plugin collects statistics about the memory usage."))
+
+s = m:section( NamedSection, "collectd_memory", "luci_statistics" )
+
+enable = s:option( Flag, "enable", translate("Enable this plugin") )
+enable.default = 0
+
+return m
diff --git a/applications/luci-statistics/luasrc/statistics/rrdtool/definitions/memory.lua b/applications/luci-statistics/luasrc/statistics/rrdtool/definitions/memory.lua
new file mode 100644
index 000000000..bc0fa4349
--- /dev/null
+++ b/applications/luci-statistics/luasrc/statistics/rrdtool/definitions/memory.lua
@@ -0,0 +1,33 @@
+--[[
+
+(c) 2011 Manuel Munz <freifunk at somakoma dot de>
+
+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
+]]--
+
+module("luci.statistics.rrdtool.definitions.memory",package.seeall)
+
+function rrdargs( graph, host, plugin, plugin_instance, dtype )
+
+	return {
+		title = "%H: Memory usage",
+		vlabel = "MB",
+		number_format = "%5.1lf%%",
+		data = {
+			instances = { 
+				memory = { "free", "buffered", "cached", "used" }
+			},
+
+			options = {
+				memory_buffered	= { color = "0000ff", title = "Buffered" },
+				memory_cached	= { color = "ff00ff", title = "Cached" },
+				memory_used	= { color = "ff0000", title = "Used" },
+				memory_free	= { color = "00ff00", title = "Free" }
+			}
+		}
+	}
+end
diff --git a/applications/luci-statistics/root/usr/bin/stat-genconfig b/applications/luci-statistics/root/usr/bin/stat-genconfig
index 2b312cccf..97c3628ab 100755
--- a/applications/luci-statistics/root/usr/bin/stat-genconfig
+++ b/applications/luci-statistics/root/usr/bin/stat-genconfig
@@ -192,6 +192,7 @@ function _list_expand( c, l, nopad )
 				k = n:gsub("(%w+)s", "%1")
 			end
 
+			
 			str = str .. _expand( c[n], k, nopad )
 		end
 	end
@@ -257,6 +258,12 @@ plugins = {
 		{ }
 	},
 
+	conntrack = {
+		{ },
+		{ },
+		{ }
+	},
+
 	cpu	= {
 		{ },
 		{ },
@@ -327,6 +334,8 @@ plugins = {
 		{ "Interfaces", "WatchAdds" }
 	},
 
+	memory = { },
+
 	netlink	= {
 		{ },
 		{ "IgnoreSelected" },
-- 
2.11.0