[libvirt] [PATCH v3 2/9] remote: implement virDomainGetGuestInfo
Jonathon Jongsma
jjongsma at redhat.com
Fri Aug 23 16:31:16 UTC 2019
Add daemon and client code to serialize/deserialize
virDomainGetGuestInfo().
Signed-off-by: Jonathon Jongsma <jjongsma at redhat.com>
---
src/remote/remote_daemon_dispatch.c | 41 ++++++++++++++++++++++
src/remote/remote_driver.c | 53 +++++++++++++++++++++++++++++
src/remote/remote_protocol.x | 21 +++++++++++-
src/remote_protocol-structs | 12 +++++++
4 files changed, 126 insertions(+), 1 deletion(-)
diff --git a/src/remote/remote_daemon_dispatch.c b/src/remote/remote_daemon_dispatch.c
index 1bd281dd6d..665d938a99 100644
--- a/src/remote/remote_daemon_dispatch.c
+++ b/src/remote/remote_daemon_dispatch.c
@@ -7650,3 +7650,44 @@ remoteSerializeDomainDiskErrors(virDomainDiskErrorPtr errors,
}
return -1;
}
+
+static int
+remoteDispatchDomainGetGuestInfo(virNetServerPtr server ATTRIBUTE_UNUSED,
+ virNetServerClientPtr client,
+ virNetMessagePtr msg ATTRIBUTE_UNUSED,
+ virNetMessageErrorPtr rerr,
+ remote_domain_get_guest_info_args *args,
+ remote_domain_get_guest_info_ret *ret)
+{
+ int rv = -1;
+ struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client);
+ virDomainPtr dom = NULL;
+ virTypedParameterPtr params = NULL;
+ int nparams = 0;
+
+ if (!priv->conn) {
+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
+ goto cleanup;
+ }
+
+ if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
+ goto cleanup;
+
+ if (virDomainGetGuestInfo(dom, args->types, ¶ms, &nparams, args->flags) < 0)
+ goto cleanup;
+
+ if (virTypedParamsSerialize(params, nparams,
+ (virTypedParameterRemotePtr *) &ret->params.params_val,
+ &ret->params.params_len,
+ VIR_TYPED_PARAM_STRING_OKAY) < 0)
+ goto cleanup;
+
+ rv = 0;
+
+ cleanup:
+ if (rv < 0)
+ virNetMessageSaveError(rerr);
+ virObjectUnref(dom);
+
+ return rv;
+}
diff --git a/src/remote/remote_driver.c b/src/remote/remote_driver.c
index daac506672..5ba144648a 100644
--- a/src/remote/remote_driver.c
+++ b/src/remote/remote_driver.c
@@ -8306,6 +8306,58 @@ remoteNetworkPortGetParameters(virNetworkPortPtr port,
return rv;
}
+static int
+remoteDomainGetGuestInfo(virDomainPtr dom,
+ unsigned int types,
+ virTypedParameterPtr *params,
+ int *nparams,
+ unsigned int flags)
+{
+ int rv = -1;
+ struct private_data *priv = dom->conn->privateData;
+ remote_domain_get_guest_info_args args;
+ remote_domain_get_guest_info_ret ret;
+
+ remoteDriverLock(priv);
+
+ make_nonnull_domain(&args.dom, dom);
+
+ args.types = types;
+ args.flags = flags;
+
+ memset(&ret, 0, sizeof(ret));
+
+ if (call(dom->conn, priv, 0, REMOTE_PROC_DOMAIN_GET_GUEST_INFO,
+ (xdrproc_t)xdr_remote_domain_get_guest_info_args, (char *)&args,
+ (xdrproc_t)xdr_remote_domain_get_guest_info_ret, (char *)&ret) == -1)
+ goto done;
+
+ if (ret.params.params_len > REMOTE_DOMAIN_GUEST_INFO_PARAMS_MAX) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ _("Too many params in guestinfo: %d for limit %d"),
+ ret.params.params_len, REMOTE_DOMAIN_GUEST_INFO_PARAMS_MAX);
+ goto cleanup;
+ }
+
+ if (params) {
+ if (virTypedParamsDeserialize((virTypedParameterRemotePtr) ret.params.params_val,
+ ret.params.params_len,
+ REMOTE_DOMAIN_GUEST_INFO_PARAMS_MAX,
+ params,
+ nparams) < 0)
+ goto cleanup;
+ }
+
+ rv = 0;
+
+ cleanup:
+ xdr_free((xdrproc_t)xdr_remote_domain_get_guest_info_ret,
+ (char *) &ret);
+
+ done:
+ remoteDriverUnlock(priv);
+ return rv;
+}
/* get_nonnull_domain and get_nonnull_network turn an on-wire
* (name, uuid) pair into virDomainPtr or virNetworkPtr object.
@@ -8733,6 +8785,7 @@ static virHypervisorDriver hypervisor_driver = {
.domainCheckpointLookupByName = remoteDomainCheckpointLookupByName, /* 5.6.0 */
.domainCheckpointGetParent = remoteDomainCheckpointGetParent, /* 5.6.0 */
.domainCheckpointDelete = remoteDomainCheckpointDelete, /* 5.6.0 */
+ .domainGetGuestInfo = remoteDomainGetGuestInfo, /* 5.6.0 */
};
static virNetworkDriver network_driver = {
diff --git a/src/remote/remote_protocol.x b/src/remote/remote_protocol.x
index 118369e2b3..75c2bc69ff 100644
--- a/src/remote/remote_protocol.x
+++ b/src/remote/remote_protocol.x
@@ -269,6 +269,9 @@ const REMOTE_NODE_SEV_INFO_MAX = 64;
/* Upper limit on number of launch security information entries */
const REMOTE_DOMAIN_LAUNCH_SECURITY_INFO_PARAMS_MAX = 64;
+/* Upper limit on number of parameters describing a guest */
+const REMOTE_DOMAIN_GUEST_INFO_PARAMS_MAX = 2048;
+
/*
* Upper limit on list of network port parameters
*/
@@ -3723,6 +3726,16 @@ struct remote_domain_checkpoint_delete_args {
unsigned int flags;
};
+struct remote_domain_get_guest_info_args {
+ remote_nonnull_domain dom;
+ unsigned int types;
+ unsigned int flags;
+};
+
+struct remote_domain_get_guest_info_ret {
+ remote_typed_param params<REMOTE_DOMAIN_GUEST_INFO_PARAMS_MAX>;
+};
+
/*----- Protocol. -----*/
/* Define the program number, protocol version and procedure numbers here. */
@@ -6584,5 +6597,11 @@ enum remote_procedure {
* @generate: both
* @acl: domain:checkpoint
*/
- REMOTE_PROC_DOMAIN_CHECKPOINT_DELETE = 417
+ REMOTE_PROC_DOMAIN_CHECKPOINT_DELETE = 417,
+
+ /**
+ * @generate: none
+ * @acl: domain:write
+ */
+ REMOTE_PROC_DOMAIN_GET_GUEST_INFO = 418
};
diff --git a/src/remote_protocol-structs b/src/remote_protocol-structs
index a42b4a9671..616c3d5d52 100644
--- a/src/remote_protocol-structs
+++ b/src/remote_protocol-structs
@@ -3105,6 +3105,17 @@ struct remote_domain_checkpoint_delete_args {
remote_nonnull_domain_checkpoint checkpoint;
u_int flags;
};
+struct remote_domain_get_guest_info_args {
+ remote_nonnull_domain dom;
+ u_int types;
+ u_int flags;
+};
+struct remote_domain_get_guest_info_ret {
+ struct {
+ u_int params_len;
+ remote_typed_param * params_val;
+ } params;
+};
enum remote_procedure {
REMOTE_PROC_CONNECT_OPEN = 1,
REMOTE_PROC_CONNECT_CLOSE = 2,
@@ -3523,4 +3534,5 @@ enum remote_procedure {
REMOTE_PROC_DOMAIN_CHECKPOINT_LOOKUP_BY_NAME = 415,
REMOTE_PROC_DOMAIN_CHECKPOINT_GET_PARENT = 416,
REMOTE_PROC_DOMAIN_CHECKPOINT_DELETE = 417,
+ REMOTE_PROC_DOMAIN_GET_GUEST_INFO = 418,
};
--
2.21.0
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