server.lua

-- server.lua

print("server code begin ---")

local srv = net.createServer(net.TCP, 30)

local function onReceive(sck, payload)
    local _, indexEnd = string.find(payload, '"coffee":"')
    local coffee = string.sub(payload,indexEnd + 1, indexEnd + 1)
    print("Selected coffee", coffee)

    if(coffee == "1")then
        activateServo(2)
    elseif(coffee == "2")then
        activateServo(3)
    elseif(coffee == "3")then
        activateServo(4)
    elseif(coffee == "4")then
        activateServo(5)
    elseif(coffee == "5")then
        activateServo(6)
    end
    print("Reply status 200")
    sck:send("HTTP/1.1 200 OK\r\n\r\n", function(sck) sck:close() end)
end


if srv then
    print("start listening on port 80...")
    srv:listen(80, function(conn)
        conn:on("receive", onReceive)
    end)
end

print("server code end ---")