[libvirt] [PATCH v2 4/7] remote: implement remoteDomainGetStateParams

Implement the API function virDomainGetStateParams for the remote driver and wire up the remote protocol. Reviewed-by: Boris Fiuczynski <fiuczy(a)linux.ibm.com&gt; Signed-off-by: Bjoern Walk <bwalk(a)linux.ibm.com&gt; --- 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, &params, + &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