OC-PsychOS2/service/termsrv.lua

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local minitel = require "minitel"
local shell = require "shell"
local port = 22
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local function sread(self, len)
while true do
local d=self.sock:read(len)
if d then
return d
end
coroutine.yield()
end
end
local function swrite(self, data)
while self.flushing do
coroutine.yield()
end
if data and data:len() > 0 then
self.wb = self.wb .. (data or "")
end
end
local function sclose(self)
self.sock:close()
end
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local function sflush(self)
self.flushing = true
self.sock:write(self.wb)
self.wb = ""
self.flushing = false
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end
function start()
return os.spawn(function()
local oout = io.output()
local pname = os.taskInfo(os.pid()).name
while true do
local sock = minitel.listen(port)
print(string.format("Connection from %s:%d",sock.addr,sock.port))
os.spawn(function() _G.worked = {pcall(function()
local fh = {}
fh.sock = sock
fh.read = sread
fh.write = swrite
fh.close = sclose
fh.flush = sflush
fh.wb = ""
io.input(fh)
io.output(fh)
print(_OSVERSION.." - "..tostring(math.floor(computer.totalMemory()/1024)).."K RAM")
local pid = os.spawn(shell.interactive,string.format(pname.." shell [%s:%d]",sock.addr,sock.port))
repeat
coroutine.yield()
if fh.wb:len() > 0 then
fh:flush()
end
until sock.state ~= "open" or not os.taskInfo(pid)
sock:close()
os.kill(pid)
oout:write(string.format("Session %s:%d ended",sock.addr,sock.port))
end)} end,string.format(pname.." [%s:%d]",sock.addr,sock.port))
end
end,"termsrv")
end