JyNet 2.0

local JyNet = {
    channel = 127,
    allFreqs = false,
    frequencies = {}
}

function JyNet.setChannel(num)
    JyNet.channel = num
end

function JyNet.getChannel()
    return JyNet.channel
end

function JyNet.isOpen(side)
    return peripheral.call(side,"isOpen",channel)
end

function JyNet.open(side)
    if peripheral.getType(side) == "modem"
    and not JyNet.isOpen(side) then
        peripheral.call(side,"open",JyNet.channel)
        return true
    else
        return false
    end
end

function JyNet.close(side)
    if peripheral.getType(side) == "modem"
    and JyNet.isOpen(side) then
        peripheral.call(side,"close",channel)
        return true
    else
        return false
    end
end

function JyNet.openAll()
    for i = 1,6 do
        JyNet.open(rs.getSides()[i])
    end
end

function JyNet.closeAll()
    for i = 1,6 do
        JyNet.close(rs.getSides()[i])
    end
end

function JyNet.getState(freq)
    return JyNet.frequencies[freq]
end

function JyNet.addFreq(freq)
    if not JyNet.frequencies[freq] then
        JyNet.frequencies[freq] = true
        return true
    else
        return false
    end
end

function JyNet.removeFreq(freq)
    if JyNet.frequencies[freq] then
        JyNet.frequencies[freq] = false
        return true
    else
        return false
    end
end

function JyNet.addAll()
    JyNet.allFreqs = true
end

function JyNet.removeAll()
    JyNet.allFreqs = false
end

function JyNet.send(message,freq,side,id)
    JyNet.message = textutils.serialize{freq,message}
    if peripheral.getType(side) == "modem" then
        peripheral.call(side,"transmit",JyNet.channel,id,message)
        return true
    else
        return false
    end
end

function JyNet.recieve()
    JyNets.senderChannel = 0
    JyNet.freq = nil
    while JyNet.senderChannel ~= JyNet.channel or not (JyNet.frequencies[JyNet.freq] or JyNet.allFreqs) do
        _,JyNet.side,JyNet.senderChannel,JyNet.id,JyNet.message = os.pullEvent("modem_message")
        _ = nil
        JyNet.freq = textutils.unserialize(JyNet.message)[1]
        JyNet.message = textutils.unserialize(JyNet.message)[2]
    end
    return JyNet.message,JyNet.id,JyNet.freq,JyNet.side
end