On Tue, 14 Oct 2008 13:45:25 +0200 Lorenz Breu <[EMAIL PROTECTED]> wrote:
> Hi guys
>
> I am trying to implement some form of multicast capability in the
> MINA framework. I see that you have started to implement the classes
> for APR support. My first attempt therefor is to create a multicast
> AprDatagramAcceptor. However the documentation of the APR stuff seems
> a bit on the minimal side. I now have some questions one of you
> APR-guys may be able to answer:
>
> The receive method needs to return the SocketAddress of the sender of
> the received datagram. How can I access that data using the APR API??
> Do I have to parse the received data at the byte level, or does APR
> somehow prepare that information in a struct somewhere?
I think this APR function is what you are looking for :
apr_status_t apr_socket_recvfrom( apr_sockaddr_t *from,
apr_socket_t * sock,
apr_int32_t flags,
char * buf,
apr_size_t * len
)
from : Updated with the address from which the data was
received
>
>
> On a different note, why did you never implement a simple multicast
> acceptor using the MultiCastSocket of java.io? Is it just a
> performance thing? Thread management is done in the
> AbstractPollingIoAcceptor and should also work unchanged with
> java.net, or am I missing something?
>
java.net is totally incompatible with AbstractPolling classes, if you
want to use that for implementing multicast you'll need to first write
a whole new UDP transport based on java.io.
sorry for the too short answer I'm very busy, I'll try to come back to
give you more clues later this week.
Julien
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