Add total to bandwidth graph

luci-app-mptcp/luasrc/controller/mptcp.lua

@@ -34,9 +34,27 @@ function interface_bandwidth(iface)
 	end
 end
 
+
+function string.split(input, delimiter)
+	input = tostring(input)
+	delimiter = tostring(delimiter)
+	if (delimiter=='') then return false end
+	local pos,arr = 0, {}
+	-- for each divider found
+	for st,sp in function() return string.find(input, delimiter, pos, true) end do
+		table.insert(arr, string.sub(input, pos, st - 1))
+		pos = sp + 1
+	end
+	table.insert(arr, string.sub(input, pos))
+	return arr
+end
+
 function multipath_bandwidth()
 	local result = { };
 	local uci = luci.model.uci.cursor()
+	local res={ };
+	local str="";
+	local tmpstr="";
 
 	uci:foreach("network", "interface", function(s)
 		local intname = s[".name"]
@@ -64,6 +82,59 @@ function multipath_bandwidth()
 		end
 	end)
 
+	res["total"]={ };
+	for i=1,60 do
+		res["total"][i]={}
+		for j=1,5 do
+			res["total"][i][j]=0
+		end
+	end
+
+	for key,value in pairs(result) do
+		res[key]={}
+		value=(string.gsub(value, "^%[%[", ""))
+		value=(string.gsub(value, "%]%]", ""))
+		local temp1 = string.split(value, "],")
+		res[key][1]=temp1[1]
+		for i=2,60 do
+			res[key][i]={}
+			res[key][i]=(string.gsub(temp1[i], "%[", " "))
+		end
+		for i=1,60 do
+			res[key][i] = string.split(res[key][i], ",")
+			for j=1,5 do
+				if "string"== type(res[key][i][j]) then
+					res[key][i][j]= tonumber(res[key][i][j])
+				end
+				if "string"==type(res["total"][i][j]) then
+					res["total"][i][j]= tonumber(res["total"][i][j])
+				end
+				if j ==1 then
+					res["total"][i][j] = res[key][i][j]
+				else
+					res["total"][i][j] = res["total"][i][j] + res[key][i][j]
+				end
+			end
+		end
+	end
+	for i=1,60 do
+		for j=1,5 do
+			if "number"== type(res["total"][i][j]) then
+				res["total"][i][j]= tostring(res["total"][i][j])
+			end
+		end
+	end
+	for i=1,60 do
+		if i == 60 then
+			tmpstr = "["..table.concat(res["total"][i], ",")
+		else
+			tmpstr = "["..table.concat(res["total"][i], ",").."],"
+		end
+		str  = str..tmpstr
+	end
+	str  = "["..str.."]]"
+	result["total"]=str
+
 	luci.http.prepare_content("application/json")
 	luci.http.write_json(result)
 end