[libvirt] [PATCH v2 4/7] remote: implement remoteDomainGetStateParams
Bjoern Walk
bwalk at linux.ibm.com
Mon Mar 25 08:04:54 UTC 2019
Implement the API function virDomainGetStateParams for the remote driver
and wire up the remote protocol.
Reviewed-by: Boris Fiuczynski <fiuczy at linux.ibm.com>
Signed-off-by: Bjoern Walk <bwalk at linux.ibm.com>
---
src/remote/remote_daemon_dispatch.c | 50 +++++++++++++++++++++++++++++
src/remote/remote_driver.c | 44 +++++++++++++++++++++++++
src/remote/remote_protocol.x | 22 ++++++++++++-
src/remote_protocol-structs | 12 +++++++
4 files changed, 127 insertions(+), 1 deletion(-)
diff --git a/src/remote/remote_daemon_dispatch.c b/src/remote/remote_daemon_dispatch.c
index df282590..e1e48559 100644
--- a/src/remote/remote_daemon_dispatch.c
+++ b/src/remote/remote_daemon_dispatch.c
@@ -7392,3 +7392,53 @@ remoteSerializeDomainDiskErrors(virDomainDiskErrorPtr errors,
}
return -1;
}
+
+static int
+remoteDispatchDomainGetStateParams(virNetServerPtr server ATTRIBUTE_UNUSED,
+ virNetServerClientPtr client,
+ virNetMessagePtr msg ATTRIBUTE_UNUSED,
+ virNetMessageErrorPtr rerr,
+ remote_domain_get_state_params_args *args,
+ remote_domain_get_state_params_ret *ret)
+{
+ virDomainPtr dom = NULL;
+ virTypedParameterPtr params = NULL;
+ int nparams = 0;
+ int rv = -1;
+ struct daemonClientPrivate *priv =
+ virNetServerClientGetPrivateData(client);
+
+ 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 (virDomainGetStateParams(dom, &ret->state, &ret->reason, ¶ms,
+ &nparams, args->flags) < 0)
+ goto cleanup;
+
+ if (nparams > REMOTE_DOMAIN_STATE_PARAMS_MAX) {
+ virReportError(VIR_ERR_RPC,
+ _("Too many state information entries '%d' for limit '%d'"),
+ nparams, REMOTE_DOMAIN_STATE_PARAMS_MAX);
+ 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);
+ virTypedParamsFree(params, nparams);
+ virObjectUnref(dom);
+ return rv;
+}
diff --git a/src/remote/remote_driver.c b/src/remote/remote_driver.c
index 5c4dd412..e0962014 100644
--- a/src/remote/remote_driver.c
+++ b/src/remote/remote_driver.c
@@ -8131,6 +8131,49 @@ remoteStorageVolGetInfoFlags(virStorageVolPtr vol,
return rv;
}
+static int
+remoteDomainGetStateParams(virDomainPtr domain,
+ int *state,
+ int *reason,
+ virTypedParameterPtr *params,
+ int *nparams,
+ unsigned int flags)
+{
+ int rv = -1;
+ remote_domain_get_state_params_args args;
+ remote_domain_get_state_params_ret ret;
+ struct private_data *priv = domain->conn->privateData;
+
+ remoteDriverLock(priv);
+
+ make_nonnull_domain(&args.dom, domain);
+ args.flags = flags;
+
+ memset(&ret, 0, sizeof(ret));
+ if (call(domain->conn, priv, 0, REMOTE_PROC_DOMAIN_GET_STATE_PARAMS,
+ (xdrproc_t) xdr_remote_domain_get_state_params_args, (char *) &args,
+ (xdrproc_t) xdr_remote_domain_get_state_params_ret, (char *) &ret) == -1)
+ goto done;
+
+ *state = ret.state;
+ *reason = ret.reason;
+
+ if (virTypedParamsDeserialize((virTypedParameterRemotePtr) ret.params.params_val,
+ ret.params.params_len,
+ REMOTE_DOMAIN_STATE_PARAMS_MAX,
+ params, nparams) < 0)
+ goto cleanup;
+
+ rv = 0;
+
+ cleanup:
+ xdr_free((xdrproc_t) xdr_remote_domain_get_state_params_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.
@@ -8326,6 +8369,7 @@ static virHypervisorDriver hypervisor_driver = {
.domainSetPerfEvents = remoteDomainSetPerfEvents, /* 1.3.3 */
.domainGetInfo = remoteDomainGetInfo, /* 0.3.0 */
.domainGetState = remoteDomainGetState, /* 0.9.2 */
+ .domainGetStateParams = remoteDomainGetStateParams, /* TODO: 5.2.0 */
.domainGetControlInfo = remoteDomainGetControlInfo, /* 0.9.3 */
.domainSave = remoteDomainSave, /* 0.3.0 */
.domainSaveFlags = remoteDomainSaveFlags, /* 0.9.4 */
diff --git a/src/remote/remote_protocol.x b/src/remote/remote_protocol.x
index 74be4b37..6db1ccc1 100644
--- a/src/remote/remote_protocol.x
+++ b/src/remote/remote_protocol.x
@@ -263,6 +263,9 @@ 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 state information entries */
+const REMOTE_DOMAIN_STATE_PARAMS_MAX = 16;
+
/* UUID. VIR_UUID_BUFLEN definition comes from libvirt.h */
typedef opaque remote_uuid[VIR_UUID_BUFLEN];
@@ -2789,6 +2792,17 @@ struct remote_domain_get_state_ret {
int reason;
};
+struct remote_domain_get_state_params_args {
+ remote_nonnull_domain dom;
+ unsigned int flags;
+};
+
+struct remote_domain_get_state_params_ret {
+ int state;
+ int reason;
+ remote_typed_param params<REMOTE_DOMAIN_STATE_PARAMS_MAX>;
+};
+
struct remote_domain_migrate_begin3_args {
remote_nonnull_domain dom;
remote_string xmlin;
@@ -6342,5 +6356,11 @@ enum remote_procedure {
* @generate: both
* @acl: connect:read
*/
- REMOTE_PROC_CONNECT_GET_STORAGE_POOL_CAPABILITIES = 403
+ REMOTE_PROC_CONNECT_GET_STORAGE_POOL_CAPABILITIES = 403,
+
+ /**
+ * @generate: none
+ * @acl: domain:read
+ */
+ REMOTE_PROC_DOMAIN_GET_STATE_PARAMS = 404
};
diff --git a/src/remote_protocol-structs b/src/remote_protocol-structs
index 768189c5..670164de 100644
--- a/src/remote_protocol-structs
+++ b/src/remote_protocol-structs
@@ -2162,6 +2162,18 @@ struct remote_domain_get_state_ret {
int state;
int reason;
};
+struct remote_domain_get_state_params_args {
+ remote_nonnull_domain dom;
+ u_int flags;
+};
+struct remote_domain_get_state_params_ret {
+ int state;
+ int reason;
+ struct {
+ u_int params_len;
+ remote_typed_param * params_val;
+ } params;
+};
struct remote_domain_migrate_begin3_args {
remote_nonnull_domain dom;
remote_string xmlin;
--
2.17.0
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