isrLib

ETYPE_RNET=0

if not fs.exists("disk/cid") then
    error("please start the isr-unit first")
end

local f=fs.open("disk/cid","r")
local cId=tonumber(f.readAll())
f.close()

fs.delete("disk/isrLock")

function getCId()
    return cId
end

function getEvents()
    if fs.exists("disk/isr") then
        fs.open("disk/isrLock", "w").close()
        while fs.exists("disk/isrLock2") do
            sleep(0.01)
        end
        local data = {}
        local handle = fs.open("disk/isr", "r")
        for line in handle.readLine do
            if line ~= "" then
                if string.sub(line, 1, 5) == "rnet:" then
                    line = string.sub(line, 6)
                    local ind = string.find(line, ",")
                    table.insert(data,{type=ETYPE_RNET,id=tonumber(string.sub(line,1,ind-1)),msg=string.sub(line,ind+1)})
                else print("unknown event: " .. line)
                end
            end
        end
        handle.close()
        fs.open("disk/isr","w").close()
        fs.delete("disk/isrLock")
        return data
    end
    return {}
end

getEvents()