mirror of
https://github.com/ShadowKatStudios/OC-Minitel.git
synced 2024-11-09 03:48:07 +11:00
102 lines
2.0 KiB
Lua
102 lines
2.0 KiB
Lua
_G.net={}
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net.port=4096
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net.hostname=computer.address():sub(1,8)
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net.debug=false
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net.rctime=30
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net.pctime=30
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net.retry=30
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do
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local rcpe,PC,RC,pQ,M=computer.pullSignal,{},{},{},{}
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local cI,cU=component.invoke,computer.uptime
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for a,t in component.list("modem") do
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M[#M+1]=component.proxy(a)
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M[#M].open(net.port)
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end
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local function gP()
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local npID=""
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for i=1,16 do
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npID=npID .. string.char(math.random(32,126))
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end
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return npID
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end
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local function sP(packetID,packetType,dest,sender,vport,data)
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if RC[dest] then
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cI(RC[dest][1],"send",RC[dest][2],net.port,packetID,packetType,dest,sender,vport,data)
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else
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for k,v in pairs(M) do
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v.broadcast(net.port,packetID,packetType,dest,sender,vport,data)
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end
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end
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end
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local function pC()
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for k,v in pairs(RC) do
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if v[3]<cU() then
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RC[k]=nil
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end
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end
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for k,v in pairs(PC) do
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if v<cU() then
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PC[k]=nil
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end
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end
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end
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local function cPC(packetID)
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for k,v in pairs(PC) do
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if k==packetID then return true end
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end
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return false
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end
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local function pP()
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for k,v in pairs(pQ) do
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if v[5]<cU() then
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sP(k,v[1],v[2],net.hostname,v[3],v[4])
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if v[1]~=1 or v[6]==255 then
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pQ[k]=nil
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else
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pQ[k][5]=cU()+net.retry
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pQ[k][6]=pQ[k][6]+1
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end
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end
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end
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end
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function computer.pullSignal(t)
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pC()
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pP()
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local tev={rcpe(t)}
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if tev[1]=="modem_message" and tev[4]==net.port and not cPC(tev[6]) then
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if tev[8]==net.hostname then
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if tev[7]==1 then
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sP(gP(),2,tev[9],net.hostname,tev[10],tev[6])
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end
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if tev[7]==2 then
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pQ[tev[11]]=nil
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computer.pushSignal("net_ack",data)
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end
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if tev[7]~=2 then
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computer.pushSignal("net_msg",tev[9],tev[10],tev[11])
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end
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else
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sP(tev[6],tev[7],tev[8],tev[9],tev[10],tev[11])
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end
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if not RC[tev[9]] then
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RC[tev[9]]={tev[2],tev[3],cU()+net.rctime}
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end
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if not PC[tev[6]] then
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PC[tev[6]]=cU()+net.pctime
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end
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end
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return table.unpack(tev)
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end
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function net.usend(to,vport,data,npID)
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npID=npID or gP()
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pQ[npID]={0,to,vport,data,0,0}
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end
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function net.rsend(to,vport,data,npID)
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npID=npID or gP()
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pQ[npID]={1,to,vport,data,0,0}
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repeat
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local te={computer.pullSignal()}
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until te[1]=="net_ack" and te[2]==npID
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end
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end
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