Re: [spice-server 1/3] Always enable TCP keepalive

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> Always enabled, hardcoded interval
> as per https://bugzilla.redhat.com/show_bug.cgi?id=1298590
> ---
>  server/reds.c | 40 ++++++++++++++++++++++++++--------------
>  1 file changed, 26 insertions(+), 14 deletions(-)
> 
> diff --git a/server/reds.c b/server/reds.c
> index 72282a6..8f03239 100644
> --- a/server/reds.c
> +++ b/server/reds.c
> @@ -2287,6 +2287,31 @@ static void reds_handle_ssl_accept(int fd, int event,
> void *data)
>      }
>  }
>  
> +#define KEEPALIVE_TIMEOUT (10*60)
> +
> +static bool reds_init_keepalive(int socket)
> +{
> +    int keepalive = 1;
> +    int keepalive_timeout = KEEPALIVE_TIMEOUT;
> +
> +    if (setsockopt(socket, SOL_SOCKET, SO_KEEPALIVE, &keepalive,
> sizeof(keepalive)) == -1) {
> +        if (errno != ENOTSUP) {
> +            spice_printerr("setsockopt for keepalive failed, %s",
> strerror(errno));
> +            return false;
> +        }
> +    }
> +
> +    if (setsockopt(socket, SOL_TCP, TCP_KEEPIDLE,
> +                   &keepalive_timeout, sizeof(keepalive_timeout)) == -1) {
> +        if (errno != ENOTSUP) {
> +            spice_printerr("setsockopt for keepalive timeout failed, %s",
> strerror(errno));
> +            return false;
> +        }
> +    }
> +
> +    return true;
> +}
> +
>  static RedLinkInfo *reds_init_client_connection(RedsState *reds, int socket)
>  {
>      RedLinkInfo *link;
> @@ -2309,20 +2334,7 @@ static RedLinkInfo
> *reds_init_client_connection(RedsState *reds, int socket)
>          }
>      }
>  
> -    if (reds->keepalive_timeout > 0) {
> -        int keepalive = 1;
> -        if (setsockopt(socket, SOL_SOCKET, SO_KEEPALIVE, &keepalive,
> sizeof(keepalive)) == -1) {
> -            if (errno != ENOTSUP) {
> -                spice_printerr("setsockopt for keepalive failed, %s",
> strerror(errno));
> -            }
> -        }
> -        if (setsockopt(socket, SOL_TCP, TCP_KEEPIDLE,
> -                       &reds->keepalive_timeout,
> sizeof(reds->keepalive_timeout)) == -1) {
> -            if (errno != ENOTSUP) {
> -                spice_printerr("setsockopt for keepalive timeout failed,
> %s", strerror(errno));
> -            }
> -        }
> -    }
> +    reds_init_keepalive(socket);
>  
>      link = spice_new0(RedLinkInfo, 1);
>      link->reds = reds;

Acked!

Could be we can also remove reds->keepalive_timeout.

Frediano
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