replaced the minitel implementation with the OpenOS version, mostly

This commit is contained in:
Izaya 2020-03-20 13:01:19 +11:00
parent 4606620583
commit 3c1e2d31ae

View File

@ -10,36 +10,27 @@ sender: original sender of packet
data: the actual packet data, duh.
]]--
local listeners,timers,processes,modems = {},{},{},{}
local hostname = os.getenv("HOSTNAME")
local listeners = {}
local timers = {}
local cfg = {}
local event = require "event"
local component = require "component"
local computer = require "computer"
local serial = require "serialization"
local hostname = computer.address():sub(1,8)
local modems = {}
local pid = nil
cfg.debug = false
cfg.port = 4096
cfg.retry = 10
cfg.retrycount = 64
cfg.retrycount = 3
cfg.route = true
local event, component, computer, serial = event, component, computer, serial
local hnpath, cfgpath = "", ""
OPENOS, PSYCHOS, KITTENOS = false, false, false
if _OSVERSION:sub(1,6) == "OpenOS" then
OPENOS = true
hnpath = "/etc/hostname"
cfgpath = "/etc/minitel.cfg"
elseif _OSVERSION:sub(1,7) == "PsychOS" then
PSYCHOS = true
hnpath = "/boot/cfg/hostname"
cfgpath = "/boot/cfg/minitel.cfg"
elseif _OSVERSION:sub(1,8) == "KittenOS" then
KITTENOS = true
end
-- packet cache: [packet ID]=uptime
local pcache = {}
cfg.pctime = 30
--[[
LKR format:
address {
@ -48,7 +39,6 @@ address {
time last received
}
]]--
cfg.sroutes = {}
local rcache = setmetatable({},{__index=cfg.sroutes})
cfg.rctime = 15
@ -66,60 +56,9 @@ packet queue format:
]]--
local pqueue = {}
local function saveconfig()
if OPENOS or PSYCHOS then
local f = io.open(cfgpath,"wb")
if f then
f:write(serial.serialize(cfg))
f:close()
end
end
end
local function loadconfig()
hostname = os.getenv("HOSTNAME") or computer.address():sub(1,8)
if OPENOS or PSYCHOS then
local f,g=io.open(hnpath,"rb")
if f then
hostname = f:read("*a"):match("(.-)\n")
f:close()
end
local f = io.open(cfgpath,"rb")
if f then
local newcfg = serial.unserialize(f:read("*a")) or {}
f:close()
for k,v in pairs(newcfg) do
cfg[k] = v
end
else
saveconfig()
end
elseif KITTENOS then
local globals = neo.requestAccess("x.neo.pub.globals") -- KittenOS standard hostname stuff
if globals then
hostname = globals.getSetting("hostname") or hostname
globals.setSetting("hostname",hostname)
end
end
end
-- specific OS support here
if PSYCHOS then -- PsychOS specific code
serial = require "serialization"
elseif OPENOS then -- OpenOS specific code
event = require "event"
component = require "component"
computer = require "computer"
serial = require "serialization"
listener = false
elseif KITTENOS then
neo.requireAccess("s.h.modem_message","pulling packets")
computer = {["uptime"]=os.uptime,["address"]=os.address} -- wrap computer so the OpenOS code more or less works
function computer.pushSignal(...)
for k,v in pairs(processes) do
v(...)
end
end
end
-- packet cache: [packet ID]=uptime
local pcache = {}
cfg.pctime = 30
local function dprint(...)
if cfg.debug then
@ -127,35 +66,44 @@ local function dprint(...)
end
end
local function saveconfig()
local f = io.open("/boot/cfg/minitel.cfg","wb")
if f then
f:write(serial.serialize(cfg))
f:close()
end
end
local function loadconfig()
local f = io.open("/boot/cfg/minitel.cfg","rb")
if f then
local newcfg = serial.unserialize(f:read("*a"))
f:close()
for k,v in pairs(newcfg) do
cfg[k] = v
end
else
saveconfig()
end
end
function start()
loadconfig()
hostname = os.getenv("HOSTNAME") or computer.address():sub(1,8)
print("Hostname: "..hostname)
if listener then return end
if OPENOS or PSYCHOS then
if pid then return false end
modems={}
for a,t in component.list("modem") do
modems[#modems+1] = component.proxy(a)
end
for k,v in ipairs(modems) do
v.open(cfg.port)
print("Opened port "..cfg.port.." on "..v.address:sub(1,8))
print("Opened port "..cfg.port.." on "..v.address)
end
for a,t in component.list("tunnel") do
modems[#modems+1] = component.proxy(a)
end
elseif KITTENOS then
for p in neo.requireAccess("c.modem","networking").list() do -- fun stuff for KittenOS
dprint(p.address)
modems[p.address] = p
end
for k,v in pairs(modems) do
v.open(port)
print("Opened port "..port.." on "..v.address)
end
for p in neo.requireAccess("c.tunnel","networking").list() do
dprint(p.address)
modems[p.address] = p
end
end
local function genPacketID()
local npID = ""
@ -176,10 +124,11 @@ function start()
else
dprint("Not cached", cfg.port,packetID,packetType,dest,sender,vPort,data)
for k,v in pairs(modems) do
-- do not send message back to the wired or linked modem it came from
-- the check for tunnels is for short circuiting `v.isWireless()`, which does not exist for tunnels
if v.address ~= repeatingFrom or (v.type ~= "tunnel" and v.isWireless()) then
if v.type == "modem" then
v.broadcast(cfg.port,packetID,packetType,dest,sender,vPort,data)
elseif v.type == "tunnel" then
v.send(packetID,packetType,dest,sender,vPort,data)
end
end
@ -255,7 +204,6 @@ function start()
dprint(npID,table.unpack(pqueue[npID]))
end
local function packetPusher()
for k,v in pairs(pqueue) do
if v[5] < computer.uptime() then
@ -273,43 +221,29 @@ function start()
listeners["modem_message"]=processPacket
listeners["net_send"]=queuePacket
if OPENOS then
event.listen("modem_message",processPacket)
print("Started packet listening daemon: "..tostring(processPacket))
event.listen("net_send",queuePacket)
print("Started packet queueing daemon: "..tostring(queuePacket))
timers[#timers+1]=event.timer(0,packetPusher,math.huge)
print("Started packet pusher: "..tostring(timers[#timers]))
elseif KITTENOS then
neo.requireAccess("r.svc.minitel","minitel daemon")(function(pkg,pid,sendSig)
processes[pid] = sendSig
return {["sendPacket"]=queuePacket}
end)
end
listeners["net_ack"]=dprint
if KITTENOS or PSYCHOS then
pid=os.spawn(function()
while true do
local ev = {coroutine.yield()}
packetPusher()
pruneCache()
if ev[1] == "k.procdie" then
processes[ev[3]] = nil
end
if listeners[ev[1]] then
pcall(listeners[ev[1]],table.unpack(ev))
end
end
end
end,"minitel")
print("Started Minitel daemon: "..tostring(pid))
return pid
end
function stop()
for k,v in pairs(listeners) do
event.ignore(k,v)
print("Stopped listener: "..tostring(v))
end
for k,v in pairs(timers) do
event.cancel(v)
print("Stopped timer: "..tostring(v))
if pid then
os.kill(pid)
pid = nil
return true
else
return false
end
end
@ -331,11 +265,9 @@ end
function set_route(to,laddr,raddr)
cfg.sroutes[to] = {laddr,raddr,0}
saveconfig()
end
function del_route(to)
cfg.sroutes[to] = nil
end
if not OPENOS then
start()
saveconfig()
end