81 lines
1.9 KiB
Lua
81 lines
1.9 KiB
Lua
net = {}
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net.id = computer.address():sub(1,8)
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net.np = 4957
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net.tm = {}
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function net.send(id,po,msg) -- id, port, message
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event.push("sendmsg",id,po,msg)
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end
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if cdlib and relib then
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spawn("copperd",function() print(pcall(function ()
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local pt = {}
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local ps = {}
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for a,t in component.list("modem") do
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table.insert(net.tm,component.proxy(a))
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component.proxy(a).open(net.np)
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end
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while true do
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local ev = {event.pull()}
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if ev[1] == "rsendmsg" then
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dst,data = ev[2],ev[3]
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for k,v in ipairs(net.tm) do
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v.broadcast(net.np,"copper",cdlib.encode(0,net.id,dst,data))
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end
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elseif ev[1] == "sendmsg" then
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local p = {}
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p.pid = string.char(math.random(255),math.random(255),math.random(255))
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p.nid = ev[2]
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p.port = ev[3]
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p.msg = ev[4]
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p.at = 0
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p.lt = 0
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ps[p.pid] = p
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elseif ev[1] == "modem_message" and ev[4] == net.np and ev[6] == "copper" then
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local hops,src,dst,data = cdlib.decode(ev[7])
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if not pt[ev[7]:sub(2)] then
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pt[ev[7]:sub(2)] = os.time()
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if dst == net.id then
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event.push("net_rmsg",src,data)
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local pd = relib.decode(data)
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if pd then
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if pd.pt == 1 then
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event.push("net_msg",src,pd.port,pd.msg)
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pd.pt = 2
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pd.nid = src
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pd.lt = 0
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ps[pd.pid] = pd
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elseif pd.pt == 2 then
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ps[pd.pid] = nil
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end
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end
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else
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for k,v in ipairs(net.tm) do
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v.broadcast(net.np,"copper",cdlib.encode(hops+1,src,dst,data))
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end
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end
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end
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end
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for k,v in pairs(ps) do
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if v.lt < os.time()-1 then
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for l,m in ipairs(net.tm) do
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m.broadcast(net.np,"copper",cdlib.encode(0,net.id,v.nid,relib.encode(v)))
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end
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v.at = v.at + 1
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v.lt = os.time()
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if v.pt == 2 then ps[k] = nil end
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end
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if v.at > 255 then
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ps[k] = nil
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end
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end
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if #pt > 63 then
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local cot = os.time()
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for k,v in pairs(pt) do
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if v < cot-16 then
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pt[k] = nil
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end
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end
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end
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end
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end)) end)
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end
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