pocket

local turhost
local procPlacer
local retryTimes = 10
print("pls appoint proc")
rednet.open("back")
procPlacer = io.read()
-- procPlacer = io.stdin()

local function init()
    while 1 do
        turhost = rednet.lookup(procPlacer)
        if (turhost ~= nil) then
            print("find target!")
            return true
        end
    end
    print("target not found")
    return false
end


local function key_check()
    while true do
        local event, key, isHeld = os.pullEvent("key")
        if(turhost ~= nil) then
            local kvalue = keys.getName(key)
            rednet.send(turhost,kvalue,procPlacer)
            if (kvalue == "l") then
                print("procgram shutdown")
                os.sleep(3)
                return
            end
        end
    end
end

local function net_check()
    while 1 do
        local event, sender, message, protocol = os.pullEvent("rednet_message")
        print(message)
    end
end

if(init()) then
    parallel.waitForAny(net_check,key_check)
end

term.clear()