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mirror of https://github.com/kepler155c/opus synced 2024-11-18 06:34:49 +00:00
opus/sys/apps/network/vnc.lua
kepler155c@gmail.com 61a26d7c55 encryption perf
2019-06-30 19:53:26 -04:00

94 lines
2.0 KiB
Lua

local Event = require('opus.event')
local Socket = require('opus.socket')
local Util = require('opus.util')
local os = _G.os
local terminal = _G.device.terminal
local function vncHost(socket)
local methods = { 'blit', 'clear', 'clearLine', 'setCursorPos', 'write',
'setTextColor', 'setTextColour', 'setBackgroundColor',
'setBackgroundColour', 'scroll', 'setCursorBlink', }
local oldTerm = Util.shallowCopy(terminal)
for _,k in pairs(methods) do
terminal[k] = function(...)
if not socket.queue then
socket.queue = { }
Event.onTimeout(0, function()
socket:write(socket.queue)
socket.queue = nil
end)
end
table.insert(socket.queue, {
f = k,
args = { ... },
})
oldTerm[k](...)
end
end
while true do
local data = socket:read()
if not data then
print('vnc: closing connection to ' .. socket.dhost)
break
end
if data.type == 'shellRemote' then
os.queueEvent(table.unpack(data.event))
elseif data.type == 'termInfo' then
terminal.getSize = function()
return data.width, data.height
end
os.queueEvent('term_resize')
end
end
for k,v in pairs(oldTerm) do
terminal[k] = v
end
os.queueEvent('term_resize')
end
Event.addRoutine(function()
print('vnc: listening on port 5900')
while true do
local socket = Socket.server(5900)
print('vnc: connection from ' .. socket.dhost)
-- no new process - only 1 connection allowed
-- due to term size issues
local s, m = pcall(vncHost, socket)
socket:close()
if not s and m then
print('vnc error')
_G.printError(m)
end
end
end)
Event.addRoutine(function()
print('svnc: listening on port 5901')
while true do
local socket = Socket.server(5901, { ENCRYPT = true })
print('svnc: connection from ' .. socket.dhost)
-- no new process - only 1 connection allowed
-- due to term size issues
local s, m = pcall(vncHost, socket)
socket:close()
if not s and m then
print('vnc error')
_G.printError(m)
end
end
end)