[email protected] said:
> 21.01.2012 01:56, Sergey Matveychuk wrote:
> >clients. netstat -a on server shows no connection with a client, but on
> >the client netstat -a shows an established connection:
> >
>
> I think the patch will resolve my problem.
As Martin Sustrik says, SO_KEEPALIVE is probably not what you want. You can
do heartbeating/keep-alive at the application level instead.
> --- src/ip.cpp.orig 2012-01-22 15:17:01.000000000 +0400
> +++ src/ip.cpp 2012-01-22 15:21:21.000000000 +0400
> @@ -49,6 +49,13 @@
> if (s == retired_fd)
> return retired_fd;
>
> + // Turn keep-alive on for TCP
> + if (protocol_ == IPPROTO_TCP) {
> + int optval = 1, optlen = sizeof(int);
> + int rc = setsockopt (s, SOL_SOCKET, SO_KEEPALIVE, &optval, optlen);
> + errno_assert (rc != -1);
> + }
> +
> // If there's no SOCK_CLOEXEC, let's try the second best option. Note
> that
> // race condition can cause socket not to be closed (if fork happens
> // between socket creation and this point).
open_socket() is not the right place to put this. I'd probably add a
keepalive_socket() and call that in the same places from where
stream_engine_t calls unblock_socket().
-mato
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