[dpdk-dev] [PATCH 3/6] vhost: add reconnect ability
Yuanhan Liu
yuanhan.liu at linux.intel.com
Mon May 9 20:12:54 CEST 2016
On Mon, May 09, 2016 at 04:47:02PM +0000, Xie, Huawei wrote:
> On 5/7/2016 2:36 PM, Yuanhan Liu wrote:
> > +static void *
> > +vhost_user_client_reconnect(void *arg)
> > +{
> > + struct reconnect_info *reconn = arg;
> > + int ret;
> > +
> > + RTE_LOG(ERR, VHOST_CONFIG, "reconnecting...\n");
> > + while (1) {
> > + ret = connect(reconn->fd, (struct sockaddr *)&reconn->un,
> > + sizeof(reconn->un));
> > + if (ret == 0)
> > + break;
> > + sleep(1);
> > + }
> > +
> > + vhost_user_add_connection(reconn->fd, reconn->vsocket);
> > + free(reconn);
> > +
> > + return NULL;
> > +}
> > +
>
> We could create hundreds of vhost-user ports in OVS. Wihout connections
> with QEMU established, those ports are just inactive. This works fine in
> server mode.
> With client modes, do we need to create hundreds of vhost threads? This
> would be too interruptible.
> How about we create only one thread and do the reconnections for all the
> unconnected socket?
Yes, good point and good suggestion. Will do it in v2.
Thanks.
--yliu
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