invClient

rednet.open("right")
local serverID = 530

local function receive(rcvID, rcvMsg, sendID, sendMsg)
    local senderID, senderMessage, senderProtocol = rednet.receive("inventory")
    if senderID == rcvID and senderMessage == rcvMsg then
        print("Received "..rcvMsg.." from Server "..rcvID.." Sending "..sendMsg)
        rednet.send(sendID, sendMsg, "inventory")
    else
        error("Critical Failure, stopping...")
    end
end

receive(serverID, "STATUS", serverID, "READY")
receive(serverID, "SCAN", serverID, "SCANNING")
-- start the scan process
turtle.suckDown()
itemCount = turtle.getItemCount(1)
local data = {}
-- main loop
while itemCount ~= 0 do
    -- scan item
    local item = turtle.getItemDetail()
    if item then
        damage = tostring(item.damage)
        nameScheme = item.name.." "..damage
        data[nameScheme] = item.count
    else
        print("no items!")
    end
    turtle.drop()
    turtle.suckDown()
    itemCount = turtle.getItemCount(1)
end
-- send the data
rednet.send(serverID, "SCANDONE", "inventory")
local senderID, senderMessage, senderProtocol = rednet.receive("inventory")
if senderID == serverID and senderMessage == "SCANDONEACK" then
    print("Received "..senderMessage.." from Server "..serverID.." Sending Data.")
end
rednet.send(serverID, textutils.serialize(data), "inventory")