wireless.lua

-- Must have already opened a valid rednet
-- connection BEFORE loading this API
local config = {
    protocol = "wireless",
    host = "accessPoint",
    timout = 30
}
local id = rednet.lookup(config.protocol, config.hostName)

function send(protocol, host, msg)
    local packet = {
        type = "HOSTED",
        host = host,
        payload = msg
    }
    rednet.send(id, packet, protocol)
end

function receive(protocol, timeout)
    if timeout == nil then timeout = config.timeout end
    local senderId, packet, prot = rednet.receive(protocol, timout)
    if (senderId ~= id) or
       (packet == nil) or
       (prot ~= protocol) then
        return nil
    else
        return packet.senderId,
               packet.payload,
               prot
    end
end


function reply(senderId, msg, protocol)
    local packet = {
        type = "WITH_ID",
        senderId = senderId,
        payload = msg
    }
    rednet.send(id, packet, protocol)
end

function broadcast(msg, protocol)
    local packet = {
        type = "BROADCAST",
        msg = msg,
        protocol = protocol
    }
    rednet.send(id, packet, protocol)
end