SV: LuaSockets

[Anders Eriksson <Anders.Eriksson@...>]

Hi,

I had some trouble building it under windows 
(needed to export function correctly) but now
is't working, thanks alot!

Cheers,
/Anders E.

> -----Ursprungligt meddelande-----
> Från: romulo [mailto:romulo@icontroller.com.br]
> Skickat: Tuesday, August 16, 2005 1:12 PM
> Till: lua
> Ämne: Re: LuaSockets
> 
> 
> Hi,
> 
> 	Try LHF's lpack[1]. It reads from and writes to a [Lua] 
> binary string. 
> The syntax is very easy; in your case, it'd be something like:
> 
> 
> --[ SERVER ]
> require 'pack' -- or require 'lpack'
> 
> local s = string.pack('12d', 1,2,3,4,5,6,7,8,9,10,11,12)
> 
> socket:write(s)
> 
> --[ CLIENT ]
> 
> require 'pack'
> 
> -- Here you will read the buffer from the socket. Instead of trying to
> -- read the number of bytes that 12 doubles use, you could, 
> for instance
> -- read a line or read until the connection closes.
> local s = socket:read(12*SizeOfDoubleInYourMachine)
> 
> -- Convert the buffer to a table (an array) of doubles
> local doubles = { string.unpack(s, '12d') }
> 
> -- Or make as many locals/globals as needed:
> -- local d1,d2,d3,d4,d5,d6,d7,d8,d9,d10,d11,d12 = 
> string.unpack(s, '12d')
> 
> for i,double in ipairs(doubles) do
> 	print(double)
> end
> 
> Hope it helps you
> 
> --rb
> 
> 
> [1] http://lua-users.org/wiki/LibrariesAndBindings . Search at the 
> "Miscellaneous" section.
>