Re: [v3 31/32] Add network events to the remote driver

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On Tue, Dec 10, 2013 at 01:27:52PM +0000, Daniel P. Berrange wrote:
> On Mon, Dec 02, 2013 at 05:39:49PM +0100, Cédric Bosdonnat wrote:
> > ---
> >  daemon/libvirtd.h            |   1 +
> >  daemon/remote.c              | 140 +++++++++++++++++++++++++++++++++++++++++++
> >  src/remote/remote_driver.c   | 127 +++++++++++++++++++++++++++++++++++++++
> >  src/remote/remote_protocol.x |  46 +++++++++++++-
> >  4 files changed, 313 insertions(+), 1 deletion(-)
> > 
> > @@ -5216,6 +5260,102 @@ cleanup:
> >  }
> >  
> >  
> > +static int
> > +remoteDispatchConnectNetworkEventRegisterAny(virNetServerPtr server ATTRIBUTE_UNUSED,
> > +                                             virNetServerClientPtr client ATTRIBUTE_UNUSED,
> > +                                             virNetMessagePtr msg ATTRIBUTE_UNUSED,
> > +                                             virNetMessageErrorPtr rerr ATTRIBUTE_UNUSED,
> > +                                             remote_connect_network_event_register_any_args *args,
> > +                                             remote_connect_network_event_register_any_ret *ret ATTRIBUTE_UNUSED)
> > +{
> > +    int callbackID;
> > +    int rv = -1;
> > +    struct daemonClientPrivate *priv =
> > +        virNetServerClientGetPrivateData(client);
> > +
> > +    if (!priv->conn) {
> > +        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
> > +        goto cleanup;
> > +    }
> > +
> > +    virMutexLock(&priv->lock);
> > +
> > +    if ((args->eventID & 0xFF) >= VIR_NETWORK_EVENT_ID_LAST ||
> > +        ((args->eventID & 0xFF00) >> 8) != VIR_EVENT_NAMESPACE_NETWORK) {
> 
> This is wrong - VIR_EVENT_NAMESPACE_NETWORK should not be visible in the wire
> protocol.
> 
> > +        virReportError(VIR_ERR_INTERNAL_ERROR, _("unsupported event ID %d"), args->eventID);
> > +        goto cleanup;
> > +    }
> > +
> > +    if (priv->networkEventCallbackID[args->eventID & 0xFF] != -1)  {
> > +        virReportError(VIR_ERR_INTERNAL_ERROR, _("network event %d already registered"), args->eventID);
> > +        goto cleanup;
> > +    }
> > +
> > +    if ((callbackID = virConnectNetworkEventRegisterAny(priv->conn,
> > +                                                        NULL,
> > +                                                        args->eventID,
> 
> Just add VIR_EVENT_NAMESPACE_NETWORK in here.

Opps, should not add it here either - this is calling public API
so should have the raw eventID from the public header.


> > diff --git a/src/remote/remote_driver.c b/src/remote/remote_driver.c
> > index 4a84a52..046f424 100644
> > --- a/src/remote/remote_driver.c
> > +++ b/src/remote/remote_driver.c
> 
> > @@ -2902,6 +2912,99 @@ done:
> >  }
> >  
> >  static int
> > +remoteConnectNetworkEventRegisterAny(virConnectPtr conn,
> > +                                     virNetworkPtr net,
> > +                                     int eventID,
> > +                                     virConnectNetworkEventGenericCallback callback,
> > +                                     void *opaque,
> > +                                     virFreeCallback freecb)
> > +{
> > +    int rv = -1;
> > +    struct private_data *priv = conn->privateData;
> > +    remote_connect_network_event_register_any_args args;
> > +    int callbackID;
> > +    int count;
> > +
> > +    remoteDriverLock(priv);
> > +
> > +    if ((count = virNetworkEventStateRegisterID(conn,
> > +                                               priv->domainEventState,
> > +                                               net, eventID,
> 
> Can add VIR_EVENT_NAMESPACE_NETWORK here

Or actually just have virNetworkEventStateRegisterID do it
instead of the callers

Daniel
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