RSP Client

--RSP Client
side = peripheral.find("modem")
rednet.open(side)
local cn = tostring(os.getComputerID())
local oldPull = os.pullEvent
rednet.host("rsp",cn)
local idlist = {rednet.lookup("rspserv")}
if #idlist == 0 then
    error("No RSP servers found.",0)
elseif #idlist == 1 then
    idzz = idlist[1]
else
    print("Computer ID List")
    for i,v in ipairs(idlist) do
        rednet.send(v,{"label"})
        local id, msg = rednet.receive(0.5)
        if type(msg) == "table" then
            if #msg == 1 then
                idlist[i] = tostring(idlist[i]).." ("..msg[1]..")"
            end
        end
        print(idlist[i])
    end
    write("Connect to: ")
    idzz = tonumber(read())
end
rednet.send(idzz,{"init",unpack({term.getSize()})})
function os.pullEvent(f)
    local e = {os.pullEventRaw(f)}
    if e[1] == "terminate" then
        rednet.unhost("rsp",cn)
        rednet.send(idzz,{"dc"})
        rednet.close(side)
        os.pullEvent = oldPull
        error("Terminated",0)
    else
        return unpack(e)
    end
end
function loop()
    local id = "msg"
    while true do
        local event, ids, msg = os.pullEvent()
        if event == "rednet_message" and ids == idzz then
            if type(msg) == "table" then
                idz = true
                if msg[1] == "write" then
                    term.write(msg[2])
                elseif msg[1] == "pos" then
                    term.setCursorPos(msg[2],msg[3])
                elseif msg[1] == "clear" then
                    term.clear()
                elseif msg[1] == "tc" then
                    term.setTextColor(msg[2])
                elseif msg[1] == "bc" then
                    term.setBackgroundColor(msg[3])
                elseif msg[1] == "cl" then
                    term.clearLine()
                elseif msg[1] == "bl" then
                    term.setCursorBlink(msg[2])
                elseif msg[1] == "scroll" then
                    term.scroll(msg[2])
                else
                    idz = false
                end
                if idz then
                    id = ids
                end
            end
        elseif event == "key" and id ~= "msg" then
            rednet.send(id,{"key",ids})
        elseif event == "char" and id ~= "msg" then
            rednet.send(id,{"char",ids})
        end
    end
end
loop()