forked from izaya/OC-PsychOS2
89 lines
2.4 KiB
Lua
89 lines
2.4 KiB
Lua
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os.spawn(function()
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_G.net={}
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do
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local modems,packetQueue,packetCache,routeCache,C,Y = {},{},{},{},COMPUTER,UNPACK
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net.port,net.hostname,net.route,net.hook,U=4096,computer.address():sub(1,8),true,{},UPTIME
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for a in component.list("modem") do
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modems[a] = component.proxy(a)
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modems[a].open(net.port)
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end
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local function genPacketID()
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local packetID = ""
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for i = 1, 16 do
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packetID = packetID .. string.char(math.random(32,126))
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end
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return packetID
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end
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local function rawSendPacket(packetID,packetType,to,from,vport,data)
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if routeCache[to] then
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modems[routeCache[to][1]].send(routeCache[to][2],net.port,packetID,packetType,to,from,vport,data)
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else
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for k,v in pairs(modems) do
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v.broadcast(net.port,packetID,packetType,to,from,vport,data)
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end
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end
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end
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local function sendPacket(packetID,packetType,to,vport,data)
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packetCache[packetID] = computer.uptime()
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rawSendPacket(packetID,packetType,to,net.hostname,vport,data)
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end
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function net.send(to,vport,data,packetType,packetID)
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packetType,packetID = packetType or 1, packetID or genPacketID()
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packetQueue[packetID] = {packetType,to,vport,data,0}
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sendPacket(packetID,packetType,to,vport,data)
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end
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local function checkCache(packetID)
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for k,v in pairs(packetCache) do
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if k == packetID then
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return false
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end
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end
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return true
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end
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while true do
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local eventTab = {coroutine.yield()}
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if eventTab[1] == "modem_message" and (eventTab[4] == net.port or eventTab[4] == 0) and checkCache(eventTab[6]) then
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for k,v in pairs(packetCache) do
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if computer.uptime() > v+30 then
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packetCache[k] = nil
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end
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end
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for k,v in pairs(routeCache) do
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if computer.uptime() > v[3]+30 then
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routeCache[k] = nil
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end
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end
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routeCache[eventTab[9]] = {eventTab[2],eventTab[3],computer.uptime()}
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if eventTab[8] == net.hostname then
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if eventTab[7] ~= 2 then
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computer.pushSignal("net_msg",eventTab[9],eventTab[10],eventTab[11])
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if eventTab[7] == 1 then
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sendPacket(genPacketID(),2,eventTab[9],eventTab[10],eventTab[6])
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end
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else
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packetQueue[eventTab[11]] = nil
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end
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elseif net.route and checkCache(eventTab[6]) then
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rawSendPacket(eventTab[6],eventTab[7],eventTab[8],eventTab[9],eventTab[10],eventTab[11])
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end
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packetCache[eventTab[6]] = computer.uptime()
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end
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for k,v in pairs(packetQueue) do
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if computer.uptime() > v[5] then
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sendPacket(k,table.unpack(v))
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v[5]=computer.uptime()+30
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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,"microtel-3.lua")
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