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Add VIR_DOMAIN_EVENT_ID_DEVICE_ADDED event

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The counterpart to VIR_DOMAIN_EVENT_ID_DEVICE_REMOVED.

https://bugzilla.redhat.com/show_bug.cgi?id=1206114
This commit is contained in:
Ján Tomko 2015-03-30 18:46:21 +02:00
parent 96a21e975f
commit 1882c0bd8d
9 changed files with 208 additions and 1 deletions
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37
daemon/remote.c
View File

@ -1045,6 +1045,42 @@ remoteRelayDomainEventAgentLifecycle(virConnectPtr conn,
}
static int
remoteRelayDomainEventDeviceAdded(virConnectPtr conn,
virDomainPtr dom,
const char *devAlias,
void *opaque)
{
daemonClientEventCallbackPtr callback = opaque;
remote_domain_event_callback_device_added_msg data;
if (callback->callbackID < 0 ||
!remoteRelayDomainEventCheckACL(callback->client, conn, dom))
return -1;
VIR_DEBUG("Relaying domain device added event %s %d %s, callback %d",
dom->name, dom->id, devAlias, callback->callbackID);
/* build return data */
memset(&data, 0, sizeof(data));
if (VIR_STRDUP(data.devAlias, devAlias) < 0)
return -1;
make_nonnull_domain(&data.dom, dom);
data.callbackID = callback->callbackID,
remoteDispatchObjectEventSend(callback->client, remoteProgram,
REMOTE_PROC_DOMAIN_EVENT_CALLBACK_DEVICE_ADDED,
(xdrproc_t)xdr_remote_domain_event_callback_device_added_msg,
&data);
return 0;
}
static virConnectDomainEventGenericCallback domainEventCallbacks[] = {
VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventLifecycle),
VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventReboot),
@ -1065,6 +1101,7 @@ static virConnectDomainEventGenericCallback domainEventCallbacks[] = {
VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventBlockJob2),
VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventTunable),
VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventAgentLifecycle),
VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventDeviceAdded),
};
verify(ARRAY_CARDINALITY(domainEventCallbacks) == VIR_DOMAIN_EVENT_ID_LAST);

18
include/libvirt/libvirt-domain.h
View File

@ -3201,6 +3201,23 @@ typedef void (*virConnectDomainEventDeviceRemovedCallback)(virConnectPtr conn,
const char *devAlias,
void *opaque);
/**
* virConnectDomainEventDeviceAddedCallback:
* @conn: connection object
* @dom: domain on which the event occurred
* @devAlias: device alias
* @opaque: application specified data
*
* This callback occurs when a device is added to the domain.
*
* The callback signature to use when registering for an event of type
* VIR_DOMAIN_EVENT_ID_DEVICE_ADDED with virConnectDomainEventRegisterAny()
*/
typedef void (*virConnectDomainEventDeviceAddedCallback)(virConnectPtr conn,
virDomainPtr dom,
const char *devAlias,
void *opaque);
/**
* VIR_DOMAIN_TUNABLE_CPU_VCPUPIN:
*
@ -3483,6 +3500,7 @@ typedef enum {
VIR_DOMAIN_EVENT_ID_BLOCK_JOB_2 = 16, /* virConnectDomainEventBlockJobCallback */
VIR_DOMAIN_EVENT_ID_TUNABLE = 17, /* virConnectDomainEventTunableCallback */
VIR_DOMAIN_EVENT_ID_AGENT_LIFECYCLE = 18,/* virConnectDomainEventAgentLifecycleCallback */
VIR_DOMAIN_EVENT_ID_DEVICE_ADDED = 19, /* virConnectDomainEventDeviceAddedCallback */
# ifdef VIR_ENUM_SENTINELS
VIR_DOMAIN_EVENT_ID_LAST

77
src/conf/domain_event.c
View File

@ -55,6 +55,7 @@ static virClassPtr virDomainEventPMClass;
static virClassPtr virDomainQemuMonitorEventClass;
static virClassPtr virDomainEventTunableClass;
static virClassPtr virDomainEventAgentLifecycleClass;
static virClassPtr virDomainEventDeviceAddedClass;
static void virDomainEventDispose(void *obj);
@ -72,6 +73,7 @@ static void virDomainEventPMDispose(void *obj);
static void virDomainQemuMonitorEventDispose(void *obj);
static void virDomainEventTunableDispose(void *obj);
static void virDomainEventAgentLifecycleDispose(void *obj);
static void virDomainEventDeviceAddedDispose(void *obj);
static void
virDomainEventDispatchDefaultFunc(virConnectPtr conn,
@ -189,6 +191,14 @@ struct _virDomainEventDeviceRemoved {
typedef struct _virDomainEventDeviceRemoved virDomainEventDeviceRemoved;
typedef virDomainEventDeviceRemoved *virDomainEventDeviceRemovedPtr;
struct _virDomainEventDeviceAdded {
virDomainEvent parent;
char *devAlias;
};
typedef struct _virDomainEventDeviceAdded virDomainEventDeviceAdded;
typedef virDomainEventDeviceAdded *virDomainEventDeviceAddedPtr;
struct _virDomainEventPM {
virDomainEvent parent;
@ -296,6 +306,12 @@ virDomainEventsOnceInit(void)
sizeof(virDomainEventDeviceRemoved),
virDomainEventDeviceRemovedDispose)))
return -1;
if (!(virDomainEventDeviceAddedClass =
virClassNew(virDomainEventClass,
"virDomainEventDeviceAdded",
sizeof(virDomainEventDeviceAdded),
virDomainEventDeviceAddedDispose)))
return -1;
if (!(virDomainEventPMClass =
virClassNew(virDomainEventClass,
"virDomainEventPM",
@ -438,6 +454,15 @@ virDomainEventDeviceRemovedDispose(void *obj)
VIR_FREE(event->devAlias);
}
static void
virDomainEventDeviceAddedDispose(void *obj)
{
virDomainEventDeviceAddedPtr event = obj;
VIR_DEBUG("obj=%p", event);
VIR_FREE(event->devAlias);
}
static void
virDomainEventPMDispose(void *obj)
{
@ -1226,6 +1251,47 @@ virDomainEventDeviceRemovedNewFromDom(virDomainPtr dom,
devAlias);
}
static virObjectEventPtr
virDomainEventDeviceAddedNew(int id,
const char *name,
unsigned char *uuid,
const char *devAlias)
{
virDomainEventDeviceAddedPtr ev;
if (virDomainEventsInitialize() < 0)
return NULL;
if (!(ev = virDomainEventNew(virDomainEventDeviceAddedClass,
VIR_DOMAIN_EVENT_ID_DEVICE_ADDED,
id, name, uuid)))
return NULL;
if (VIR_STRDUP(ev->devAlias, devAlias) < 0)
goto error;
return (virObjectEventPtr)ev;
error:
virObjectUnref(ev);
return NULL;
}
virObjectEventPtr
virDomainEventDeviceAddedNewFromObj(virDomainObjPtr obj,
const char *devAlias)
{
return virDomainEventDeviceAddedNew(obj->def->id, obj->def->name,
obj->def->uuid, devAlias);
}
virObjectEventPtr
virDomainEventDeviceAddedNewFromDom(virDomainPtr dom,
const char *devAlias)
{
return virDomainEventDeviceAddedNew(dom->id, dom->name, dom->uuid,
devAlias);
}
static virObjectEventPtr
virDomainEventAgentLifecycleNew(int id,
@ -1537,6 +1603,17 @@ virDomainEventDispatchDefaultFunc(virConnectPtr conn,
goto cleanup;
}
case VIR_DOMAIN_EVENT_ID_DEVICE_ADDED:
{
virDomainEventDeviceAddedPtr deviceAddedEvent;
deviceAddedEvent = (virDomainEventDeviceAddedPtr)event;
((virConnectDomainEventDeviceAddedCallback)cb)(conn, dom,
deviceAddedEvent->devAlias,
cbopaque);
goto cleanup;
}
case VIR_DOMAIN_EVENT_ID_LAST:
break;
}

6
src/conf/domain_event.h
View File

@ -185,6 +185,12 @@ virObjectEventPtr
virDomainEventDeviceRemovedNewFromDom(virDomainPtr dom,
const char *devAlias);
virObjectEventPtr
virDomainEventDeviceAddedNewFromObj(virDomainObjPtr obj,
const char *devAlias);
virObjectEventPtr
virDomainEventDeviceAddedNewFromDom(virDomainPtr dom,
const char *devAlias);
virObjectEventPtr
virDomainEventTunableNewFromObj(virDomainObjPtr obj,
virTypedParameterPtr params,
int nparams);

2
src/libvirt_private.syms
View File

@ -487,6 +487,8 @@ virDomainEventBlockJobNewFromDom;
virDomainEventBlockJobNewFromObj;
virDomainEventControlErrorNewFromDom;
virDomainEventControlErrorNewFromObj;
virDomainEventDeviceAddedNewFromDom;
virDomainEventDeviceAddedNewFromObj;
virDomainEventDeviceRemovedNewFromDom;
virDomainEventDeviceRemovedNewFromObj;
virDomainEventDiskChangeNewFromDom;

29
src/remote/remote_driver.c
View File

@ -321,6 +321,10 @@ static void
remoteDomainBuildEventCallbackDeviceRemoved(virNetClientProgramPtr prog,
virNetClientPtr client,
void *evdata, void *opaque);
static void
remoteDomainBuildEventCallbackDeviceAdded(virNetClientProgramPtr prog,
virNetClientPtr client,
void *evdata, void *opaque);
static void
remoteDomainBuildEventBlockJob2(virNetClientProgramPtr prog,
@ -496,6 +500,10 @@ static virNetClientProgramEvent remoteEvents[] = {
remoteDomainBuildEventCallbackAgentLifecycle,
sizeof(remote_domain_event_callback_agent_lifecycle_msg),
(xdrproc_t)xdr_remote_domain_event_callback_agent_lifecycle_msg },
{ REMOTE_PROC_DOMAIN_EVENT_CALLBACK_DEVICE_ADDED,
remoteDomainBuildEventCallbackDeviceAdded,
sizeof(remote_domain_event_callback_device_added_msg),
(xdrproc_t)xdr_remote_domain_event_callback_device_added_msg },
};
@ -5431,6 +5439,27 @@ remoteDomainBuildEventCallbackDeviceRemoved(virNetClientProgramPtr prog ATTRIBUT
remoteDomainBuildEventDeviceRemovedHelper(conn, &msg->msg, msg->callbackID);
}
static void
remoteDomainBuildEventCallbackDeviceAdded(virNetClientProgramPtr prog ATTRIBUTE_UNUSED,
virNetClientPtr client ATTRIBUTE_UNUSED,
void *evdata, void *opaque)
{
virConnectPtr conn = opaque;
remote_domain_event_callback_device_added_msg *msg = evdata;
struct private_data *priv = conn->privateData;
virDomainPtr dom;
virObjectEventPtr event = NULL;
dom = get_nonnull_domain(conn, msg->dom);
if (!dom)
return;
event = virDomainEventDeviceAddedNewFromDom(dom, msg->devAlias);
virObjectUnref(dom);
remoteEventQueue(priv, event, msg->callbackID);
}
static void
remoteDomainBuildEventCallbackTunable(virNetClientProgramPtr prog ATTRIBUTE_UNUSED,

14
src/remote/remote_protocol.x
View File

@ -3045,6 +3045,12 @@ struct remote_domain_event_callback_tunable_msg {
remote_typed_param params<REMOTE_DOMAIN_EVENT_TUNABLE_MAX>;
};
struct remote_domain_event_callback_device_added_msg {
int callbackID;
remote_nonnull_domain dom;
remote_nonnull_string devAlias;
};
struct remote_connect_get_cpu_model_names_args {
remote_nonnull_string arch;
int need_results;
@ -5643,5 +5649,11 @@ enum remote_procedure {
* @generate: none
* @acl: domain:read
*/
REMOTE_PROC_DOMAIN_INTERFACE_ADDRESSES = 353
REMOTE_PROC_DOMAIN_INTERFACE_ADDRESSES = 353,
/**
* @generate: both
* @acl: none
*/
REMOTE_PROC_DOMAIN_EVENT_CALLBACK_DEVICE_ADDED = 354
};

6
src/remote_protocol-structs
View File

@ -2487,6 +2487,11 @@ struct remote_domain_event_callback_tunable_msg {
remote_typed_param * params_val;
} params;
};
struct remote_domain_event_callback_device_added_msg {
int callbackID;
remote_nonnull_domain dom;
remote_nonnull_string devAlias;
};
struct remote_connect_get_cpu_model_names_args {
remote_nonnull_string arch;
int need_results;
@ -3017,4 +3022,5 @@ enum remote_procedure {
REMOTE_PROC_DOMAIN_GET_IOTHREAD_INFO = 351,
REMOTE_PROC_DOMAIN_PIN_IOTHREAD = 352,
REMOTE_PROC_DOMAIN_INTERFACE_ADDRESSES = 353,
REMOTE_PROC_DOMAIN_EVENT_CALLBACK_DEVICE_ADDED = 354,
};

20
tools/virsh-domain.c
View File

@ -11861,6 +11861,24 @@ vshEventDeviceRemovedPrint(virConnectPtr conn ATTRIBUTE_UNUSED,
vshEventDone(data->ctl);
}
static void
vshEventDeviceAddedPrint(virConnectPtr conn ATTRIBUTE_UNUSED,
virDomainPtr dom,
const char *alias,
void *opaque)
{
vshDomEventData *data = opaque;
if (!data->loop && *data->count)
return;
vshPrint(data->ctl,
_("event 'device-added' for domain %s: %s\n"),
virDomainGetName(dom), alias);
(*data->count)++;
if (!data->loop)
vshEventDone(data->ctl);
}
static void
vshEventTunablePrint(virConnectPtr conn ATTRIBUTE_UNUSED,
virDomainPtr dom,
@ -11966,6 +11984,8 @@ static vshEventCallback vshEventCallbacks[] = {
VIR_DOMAIN_EVENT_CALLBACK(vshEventTunablePrint), },
{ "agent-lifecycle",
VIR_DOMAIN_EVENT_CALLBACK(vshEventAgentLifecyclePrint), },
{ "device-added",
VIR_DOMAIN_EVENT_CALLBACK(vshEventDeviceAddedPrint), },
};
verify(VIR_DOMAIN_EVENT_ID_LAST == ARRAY_CARDINALITY(vshEventCallbacks));