mirror of
https://git.shadowkat.net/izaya/OC-PsychOS2.git
synced 2024-11-22 12:04:20 -05:00
73 lines
2.5 KiB
Lua
73 lines
2.5 KiB
Lua
local computer = require "computer"
|
|
local minitel = require "minitel"
|
|
local event = require "event"
|
|
local ufs = require "unionfs"
|
|
local rpc = require "rpc"
|
|
local netutil = {}
|
|
|
|
function netutil.importfs(host,rpath,lpath) -- string string string -- boolean -- Import filesystem *rpath* from *host* and attach it to *lpath*.
|
|
local px = rpc.proxy(host,rpath.."_")
|
|
function px.getLabel()
|
|
return host..":"..rpath
|
|
end
|
|
px.address = host..":"..rpath
|
|
return fs.mount(lpath,px)
|
|
end
|
|
|
|
function netutil.exportfs(path) -- string -- boolean -- Export the directory *path* over RPC.
|
|
local path = "/"..table.concat(fs.segments(path),"/")
|
|
local px = ufs.create(path)
|
|
for k,v in pairs(px) do
|
|
rpc.register(path.."_"..k,v)
|
|
print(path.."_"..k)
|
|
end
|
|
return true
|
|
end
|
|
|
|
function netutil.ping(addr,times,timeout,silent) -- string number number boolean -- boolean number number number -- Request acknowledgment from *addr*, waiting *timeout* seconds each try, and try *times* times. If *silent* is true, don't print status. Returns true if there was at least one successful ping, the number of successes, the number of failures, and the average round trip time.
|
|
local times, timeout = times or 5, timeout or 30
|
|
local success, fail, time, avg = 0, 0, 0, 0
|
|
for i = 1, times do
|
|
local ipt = computer.uptime()
|
|
local pid = minitel.genPacketID()
|
|
computer.pushSignal("net_send",1,addr,0,"ping",pid)
|
|
local t,a = event.pull(timeout,"net_ack")
|
|
if t == "net_ack" and a == pid then
|
|
if not silent then print("Ping reply: "..tostring(computer.uptime()-ipt).." seconds.") end
|
|
success = success + 1
|
|
time = time + computer.uptime()-ipt
|
|
avg = time / success
|
|
else
|
|
if not silent then print("Timed out.") end
|
|
fail = fail + 1
|
|
end
|
|
end
|
|
if not silent then print(string.format("%d packets transmitted, %d received, %0.0f%% packet loss, %0.1fs",times,success,fail/times*100,time)) end
|
|
return success > 0, success, fail, avg
|
|
end
|
|
|
|
function netutil.nc(host,port) -- string number -- boolean -- Starts an interactive Minitel socket connection to *host* on *port*, primarily for remote login. Returns whether the attempt was successful.
|
|
port = port or 22
|
|
local socket = minitel.open(host,port)
|
|
if not socket then return false end
|
|
local b = ""
|
|
os.spawn(function()
|
|
repeat
|
|
local b = socket:read("*a")
|
|
if b and b:len() > 0 then
|
|
io.write(b)
|
|
end
|
|
coroutine.yield()
|
|
until socket.state ~= "open"
|
|
end)
|
|
repeat
|
|
local b = io.read()
|
|
if b and b:len() > 0 then
|
|
socket:write(b.."\n")
|
|
end
|
|
until socket.state ~= "open"
|
|
return true
|
|
end
|
|
|
|
return netutil
|