OC-PsychOS2/lib/netutil.lua

49 lines
1.3 KiB
Lua

local computer = require "computer"
local minitel = require "minitel"
local event = require "event"
local rpc = require "rpc"
local netutil = {}
function netutil.importfs(host,rpath,lpath)
local px = rpc.proxy(host,rpath.."_")
function px.getLabel()
return host..":"..rpath
end
fs.mount(lpath,px)
return true
end
function netutil.exportfs(path)
local path = "/"..table.concat(fs.segments(path),"/")
local px = ufs.create(path)
for k,v in pairs(px) do
rpcs.register(path.."_"..k,v)
print(path.."_"..k)
end
return true
end
function netutil.ping(addr,times,timeout, silent)
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
return netutil