Re: lua socket persistent connections

[Valerio Schiavoni <valerio.schiavoni@...>]

hi,

try adding:

["Connection"]="Keep-Alive"

to the headers sent in the request.

On Tue, Jul 6, 2010 at 5:56 PM, Wesley Smith <wesley.hoke@gmail.com> wrote:
> I'm trying to do some XML-RPC stuff and am having some serious
> problems with consistency.  It seems that about 1 of 5 tries works,
> the rest timeout using the following code:
>
> local response = {}
>        http.request{
>                url = url,
>                method = "POST",
>                headers = {
>                        ["content-length"] = body:len(),
>                        ["content-type"] = "text/xml",
>                        ["user-agent"] = "Lua XMLRPC/0.0",
>                        ["cache-control"] = "no-cache",
>                        ["pragma"] = "no-cache",
>                },
>                source = ltn12.source.string(body),
>                sink = ltn12.sink.table(response)
>        }
>        for k, v in pairs(response) do
>                print("response: ", k, v)
>        end
>
>
> The web server and everything is all on my local machine, so there
> shouldn't be a latency problem.  I'm sniffing the packets and
> comparing them to an example built in JAVA that works flawlessly.
> What I notice is that when the POST data happens to be split across
> packets with different times (even 1 millisecond difference), it
> fails.  This happens in the working software as well with one caveat:
>
> In LuaSocket, the HTTP header ends with "connection: close" whereas
> the flawless software ends with connect: keep-alive (uses persistent
> connections).  Is there a way to do this in LuaSocket?  I'm not seeing
> anything in the docs.
>
> This is just a hunch since I'm not a networking expert by any means.
> So if my logic about what is going wrong seems off, I'd like to know
> as well.
>
> thanks!
> wes
>