* luci/statistics: added diagram model for interface plugin

applications/luci-statistics/luasrc/statistics/rrdtool/definitions/interface.lua

@@ -0,0 +1,104 @@
+module("luci.statistics.rrdtool.definitions.interface", package.seeall)
+
+function rrdargs( graph, host, plugin, plugin_instance )
+
+	--
+	-- traffic diagram
+	--
+	local traffic = {
+
+		-- diagram title
+		title	= "Verkehr",
+
+		-- vertical label
+		vlabel  = "Bytes/s",
+
+		-- draw this diagram for each data instance
+		per_instance = true,
+
+		-- diagram data description
+		data = {
+			-- defined sources for data types, if ommitted assume a single DS named "value" (optional)
+			sources = {
+				if_octets = { "tx", "rx" }
+			},
+
+			-- special options for single data lines
+			options = {
+				if_octets__tx = {
+					total = true,		-- report total amount of bytes
+					color = "00ff00"	-- tx is green
+				},
+
+				if_octets__rx = {
+					flip  = true,		-- flip rx line
+					total = true,		-- report total amount of bytes
+					color = "0000ff"	-- rx is blue
+				}
+			}
+		}
+	}
+
+
+	--
+	-- packet diagram
+	--
+	local packets = {
+
+		-- diagram title
+		title	= "Pakete",
+
+		-- vertical label
+		vlabel  = "Pakete/s",
+
+		-- draw this diagram for each data instance
+		per_instance = true,
+
+		-- diagram data description
+		data = {
+			-- data type order
+			types = { "if_packets", "if_errors" },
+
+			-- defined sources for data types
+			sources = {
+				if_packets = { "tx", "rx" },
+				if_errors  = { "tx", "rx" }
+			},
+
+			-- special options for single data lines
+			options = {
+				-- processed packets (tx DS)
+				if_packets__tx = {
+					overlay = true,		-- don't summarize
+					total   = true,		-- report total amount of bytes
+					color   = "00ff00"	-- processed tx is green
+				},
+
+				-- processed packets (rx DS)
+				if_packets__rx = {
+					overlay = true,		-- don't summarize
+					flip    = true,		-- flip rx line
+					total   = true,		-- report total amount of bytes
+					color   = "0000ff"	-- processed rx is blue
+				},
+
+				-- packet errors (tx DS)
+				if_errors__tx = {
+					overlay = true,		-- don't summarize
+					total   = true,		-- report total amount of packets
+					color   = "ff5500"	-- tx errors are orange
+				},
+
+				-- packet errors (rx DS)
+				if_errors__rx = {
+					overlay = true,		-- don't summarize
+					flip    = true,		-- flip rx line
+					total   = true,		-- report total amount of packets
+					color   = "ff0000"	-- rx errors are red
+				}
+			}
+		}
+	}
+
+	return { traffic, packets }
+end