JyNet Tool

local JyNet = {}
JyNet.channel = 127
JyNet.frequencies = {}

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

function JyNet.getChannel()
    return JyNet.channel
end

function JyNet.open(sSide)
    if peripheral.getType(sSide) == "modem" then
        peripheral.call(sSide,"open",JyNet.channel)
        return true
    else
        return false
    end
end

function JyNet.close(sSide)
    if peripheral.getType(sSide) == "modem" then
        peripheral.call(sSide,"close",JyNetChannel)
        return true
    else
        return false
    end
end

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

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

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

function JyNet.getFreq(sFreq)
    return JyNet.frequencies[sFreq]
end

function JyNet.send(sMessage,sFreq,sSide,sID)
    JyNet.message = textutils.serialize{sFreq,sMessage}
    if peripheral.getType(sSide) == "modem" then
        peripheral.call(sSide,"transmit",JyNet.channel,sID,JyNet.message)
        return true
    else
        return false
    end
end

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