On 9/3/23 16:58, K Shiva Kiran wrote: > Adds the following for Network Metadata change callback events: > > - New Event ID VIR_NETWORK_EVENT_ID_METADATA_CHANGE > - Server side dispatcher > > virsh: > - New event type `metadata-change` > - vshEventMetadataChangePrint() to display the above defined > event type in virsh via `net-event` > > Signed-off-by: K Shiva Kiran <shiva_kr@xxxxxxxxxx> > --- > I was unable to split this patch due to static assertions (perfomed > against VIR_NETWORK_EVENT_ID_LAST) in remote_daemon_dispatch.c and > virsh-network.c > Please let me know if there is a way to split patches in such cases. > > include/libvirt/libvirt-network.h | 1 + > src/conf/network_event.c | 12 ++++++++ > src/remote/remote_daemon_dispatch.c | 38 ++++++++++++++++++++++++ > src/remote/remote_protocol.x | 15 +++++++++- > src/remote_protocol-structs | 6 ++++ > tools/virsh-network.c | 46 ++++++++++++++++++++++++++++- > 6 files changed, 116 insertions(+), 2 deletions(-) > > diff --git a/include/libvirt/libvirt-network.h b/include/libvirt/libvirt-network.h > index 4b121ae0e7..58591be7ac 100644 > --- a/include/libvirt/libvirt-network.h > +++ b/include/libvirt/libvirt-network.h > @@ -330,6 +330,7 @@ typedef void (*virConnectNetworkEventLifecycleCallback)(virConnectPtr conn, > */ > typedef enum { > VIR_NETWORK_EVENT_ID_LIFECYCLE = 0, /* virConnectNetworkEventLifecycleCallback (Since: 1.2.1) */ > + VIR_NETWORK_EVENT_ID_METADATA_CHANGE = 1, /* virConnectNetworkEventMetadataChangeCallback (Since: 9.8.0) */ > > # ifdef VIR_ENUM_SENTINELS > VIR_NETWORK_EVENT_ID_LAST > diff --git a/src/conf/network_event.c b/src/conf/network_event.c > index 51fa092ffd..d1b3aa5721 100644 > --- a/src/conf/network_event.c > +++ b/src/conf/network_event.c > @@ -118,6 +118,18 @@ virNetworkEventDispatchDefaultFunc(virConnectPtr conn, > return; > } > > + case VIR_NETWORK_EVENT_ID_METADATA_CHANGE: > + { > + virNetworkEventMetadataChange *metadataChangeEvent; > + > + metadataChangeEvent = (virNetworkEventMetadataChange *)event; > + ((virConnectNetworkEventMetadataChangeCallback)cb)(conn, net, > + metadataChangeEvent->type, > + metadataChangeEvent->nsuri, > + cbopaque); > + return; > + } > + > case VIR_NETWORK_EVENT_ID_LAST: > break; > } > diff --git a/src/remote/remote_daemon_dispatch.c b/src/remote/remote_daemon_dispatch.c > index 2bb9e306a4..7daf503b51 100644 > --- a/src/remote/remote_daemon_dispatch.c > +++ b/src/remote/remote_daemon_dispatch.c > @@ -1385,8 +1385,46 @@ remoteRelayNetworkEventLifecycle(virConnectPtr conn, > return 0; > } > > +static int > +remoteRelayNetworkEventMetadataChange(virConnectPtr conn, > + virNetworkPtr net, > + int type, > + const char *nsuri, > + void *opaque) > +{ > + daemonClientEventCallback *callback = opaque; > + remote_network_event_callback_metadata_change_msg data; > + > + if (callback->callbackID < 0 || > + !remoteRelayNetworkEventCheckACL(callback->client, conn, net)) > + return -1; > + > + VIR_DEBUG("Relaying network metadata change %s %d %s, callback %d", > + net->name, type, NULLSTR(nsuri), callback->callbackID); > + > + /* build return data */ > + memset(&data, 0, sizeof(data)); Declaring the variable with = { 0 } initializer is preferred (see v9.7.0-rc1~160). > + > + data.type = type; > + if (nsuri) { > + data.nsuri = g_new0(remote_nonnull_string, 1); > + *(data.nsuri) = g_strdup(nsuri); > + } > + > + make_nonnull_network(&data.net, net); > + data.callbackID = callback->callbackID; > + > + remoteDispatchObjectEventSend(callback->client, callback->program, > + REMOTE_PROC_NETWORK_EVENT_CALLBACK_METADATA_CHANGE, > + (xdrproc_t)xdr_remote_network_event_callback_metadata_change_msg, > + &data); > + return 0; > +} > + > + > static virConnectNetworkEventGenericCallback networkEventCallbacks[] = { > VIR_NETWORK_EVENT_CALLBACK(remoteRelayNetworkEventLifecycle), > + VIR_NETWORK_EVENT_CALLBACK(remoteRelayNetworkEventMetadataChange), > }; > > G_STATIC_ASSERT(G_N_ELEMENTS(networkEventCallbacks) == VIR_NETWORK_EVENT_ID_LAST); > diff --git a/src/remote/remote_protocol.x b/src/remote/remote_protocol.x > index 7ff059e393..e295b0acc3 100644 > --- a/src/remote/remote_protocol.x > +++ b/src/remote/remote_protocol.x > @@ -3323,6 +3323,13 @@ struct remote_network_event_lifecycle_msg { > int detail; > }; > > +struct remote_network_event_callback_metadata_change_msg { > + int callbackID; > + remote_nonnull_network net; > + int type; > + remote_string nsuri; > +}; > + > struct remote_network_set_metadata_args { > remote_nonnull_network network; > int type; > @@ -7008,5 +7015,11 @@ enum remote_procedure { > * @generate: both > * @acl: network:read > */ > - REMOTE_PROC_NETWORK_GET_METADATA = 445 > + REMOTE_PROC_NETWORK_GET_METADATA = 445, > + > + /** > + * @generate: both > + * @acl: none > + */ > + REMOTE_PROC_NETWORK_EVENT_CALLBACK_METADATA_CHANGE = 446 > }; > diff --git a/src/remote_protocol-structs b/src/remote_protocol-structs > index c07e0af1e6..e6132bee71 100644 > --- a/src/remote_protocol-structs > +++ b/src/remote_protocol-structs > @@ -2687,6 +2687,12 @@ struct remote_network_event_lifecycle_msg { > int event; > int detail; > }; > +struct remote_network_event_callback_metadata_change_msg { > + int callbackID; > + remote_nonnull_network net; > + int type; > + remote_string nsuri; > +}; > struct remote_network_set_metadata_args { > remote_nonnull_network network; > int type; REMOTE_PROC_NETWORK_EVENT_CALLBACK_METADATA_CHANGE = 446 is missing Michal