socket.lua

local modem = peripheral.find("modem", rednet.open)

function getModem()
    return modem
end

function send(id, protocol, table)
    local data = textutils.serialize(table)
    rednet.send(id, data, protocol)
end

function receive()
    local id, data, protocol = rednet.receive()
    local table = textutils.unserialize(data)

    return id, protocol, table
end

function request(id, protocol, table)
   send(id, protocol, table)
    return receive()
end

return {
    getModem = getModem,
    send = send,
    receive = receive,
    request = request
}