[jdev] XEP-0199 (XMPP Ping) to test reliability

Yann Leboulanger asterix at lagaule.org
Mon Jan 21 12:43:39 CST 2008

Sean Gilbertson wrote:
> Well, doesn't it tell you whether the socket is broken/closed?  If you
> can send successfully, doesn't it mean that the connection is still
> valid?
> Sean
> On Jan 21, 2008 12:34 PM, Yann Leboulanger <asterix at lagaule.org> wrote:
>> Peter Saint-Andre wrote:
>>> Yann Leboulanger wrote:
>>>> Is it a good idea for a client to xmpp-ping server every X seconds to
>>>> test if it's still available, in order to detect server shutdown,
>>>> connection cut ... ?
>>> Not really. It's pretty verbose. We generally prefer to send whitespace
>>> over the TCP connection. We usually call that "whitespace ping".
>>> Peter
>> That won't inform us if connection is brocken or server is down as those
>> whitespace ping don't receive a pong ...
>> --
>> Yann

I'm not expert in low level sockets, but I don't think so. The timeout 
can be very long.


More information about the JDev mailing list