[libvirt] [PATCH 07/16] hyperv: implement ability to send xml soap requests
Jason Miesionczek
jmiesionczek at datto.com
Tue Aug 9 12:39:15 UTC 2016
also added ability to get/set auto start
---
src/hyperv/hyperv_driver.c | 101 +++++++
src/hyperv/hyperv_wmi.c | 670 ++++++++++++++++++++++++++++++++++++++++++++-
src/hyperv/hyperv_wmi.h | 58 ++++
src/hyperv/openwsman.h | 4 +
4 files changed, 827 insertions(+), 6 deletions(-)
diff --git a/src/hyperv/hyperv_driver.c b/src/hyperv/hyperv_driver.c
index 861d5ab..aea7837 100644
--- a/src/hyperv/hyperv_driver.c
+++ b/src/hyperv/hyperv_driver.c
@@ -1604,6 +1604,105 @@ hypervNodeGetFreeMemory(virConnectPtr conn)
return res;
}
+static int
+hypervDomainSetAutostart(virDomainPtr domain, int autostart)
+{
+ int result = -1;
+ invokeXmlParam *params = NULL;
+ hypervPrivate *priv = domain->conn->privateData;
+ virBuffer query = VIR_BUFFER_INITIALIZER;
+ virBuffer queryVssd = VIR_BUFFER_INITIALIZER;
+ Msvm_VirtualSystemSettingData *virtualSystemSettingData = NULL;
+ properties_t *tab_props = NULL;
+ eprParam eprparam;
+ embeddedParam embeddedparam;
+ int nb_params;
+ char uuid_string[VIR_UUID_STRING_BUFLEN];
+ const char *selector = "CreationClassName=Msvm_VirtualSystemManagementService";
+
+ virUUIDFormat(domain->uuid, uuid_string);
+
+ /* Prepare EPR param */
+ virBufferAddLit(&query, MSVM_COMPUTERSYSTEM_WQL_SELECT);
+ virBufferAsprintf(&query, "where Name = \"%s\"", uuid_string);
+ eprparam.query = &query;
+ eprparam.wmiProviderURI = ROOT_VIRTUALIZATION;
+
+ /* Prepare EMBEDDED param */
+ virBufferAsprintf(&queryVssd,
+ "associators of "
+ "{Msvm_ComputerSystem.CreationClassName=\"Msvm_ComputerSystem\","
+ "Name=\"%s\"} "
+ "where AssocClass = Msvm_SettingsDefineState "
+ "ResultClass = Msvm_VirtualSystemSettingData",
+ uuid_string);
+
+ if (hypervGetMsvmVirtualSystemSettingDataList(priv, &queryVssd, &virtualSystemSettingData) < 0)
+ goto cleanup;
+
+ embeddedparam.nbProps = 2;
+ if (VIR_ALLOC_N(tab_props, embeddedparam.nbProps) < 0)
+ goto cleanup;
+ (*tab_props).name = "AutomaticStartupAction";
+ (*tab_props).val = autostart ? "2" : "0";
+ (*(tab_props+1)).name = "InstanceID";
+ (*(tab_props+1)).val = virtualSystemSettingData->data->InstanceID;
+
+ embeddedparam.instanceName = "Msvm_VirtualSystemGlobalSettingData";
+ embeddedparam.prop_t = tab_props;
+
+ /* Create invokeXmlParam tab */
+ nb_params = 2;
+ if (VIR_ALLOC_N(params, nb_params) < 0)
+ goto cleanup;
+ (*params).name = "ComputerSystem";
+ (*params).type = EPR_PARAM;
+ (*params).param = &eprparam;
+ (*(params+1)).name = "SystemSettingData";
+ (*(params+1)).type = EMBEDDED_PARAM;
+ (*(params+1)).param = &embeddedparam;
+
+ result = hypervInvokeMethod(priv, params, nb_params, "ModifyVirtualSystem",
+ MSVM_VIRTUALSYSTEMMANAGEMENTSERVICE_RESOURCE_URI, selector);
+
+ cleanup:
+ hypervFreeObject(priv, (hypervObject *) virtualSystemSettingData);
+ VIR_FREE(tab_props);
+ VIR_FREE(params);
+ virBufferFreeAndReset(&query);
+ virBufferFreeAndReset(&queryVssd);
+
+ return result;
+}
+
+
+
+static int
+hypervDomainGetAutostart(virDomainPtr domain, int *autostart)
+{
+ int result = -1;
+ char uuid_string[VIR_UUID_STRING_BUFLEN];
+ hypervPrivate *priv = domain->conn->privateData;
+ virBuffer query = VIR_BUFFER_INITIALIZER;
+ Msvm_VirtualSystemGlobalSettingData *vsgsd = NULL;
+
+ virUUIDFormat(domain->uuid, uuid_string);
+ virBufferAddLit(&query, MSVM_VIRTUALSYSTEMGLOBALSETTINGDATA_WQL_SELECT);
+ virBufferAsprintf(&query, "where SystemName = \"%s\"", uuid_string);
+
+ if (hypervGetMsvmVirtualSystemGlobalSettingDataList(priv, &query, &vsgsd) < 0)
+ goto cleanup;
+
+ *autostart = vsgsd->data->AutomaticStartupAction;
+ result = 0;
+
+ cleanup:
+ hypervFreeObject(priv, (hypervObject *) vsgsd);
+ virBufferFreeAndReset(&query);
+
+ return result;
+}
+
static virHypervisorDriver hypervHypervisorDriver = {
.name = "Hyper-V",
.connectOpen = hypervConnectOpen, /* 0.9.5 */
@@ -1645,6 +1744,8 @@ static virHypervisorDriver hypervHypervisorDriver = {
.domainGetMaxVcpus = hypervDomainGetMaxVcpus, /* 1.2.10 */
.domainGetVcpusFlags = hypervDomainGetVcpusFlags, /* 1.2.10 */
.domainGetVcpus = hypervDomainGetVcpus, /* 1.2.10 */
+ .domainSetAutostart = hypervDomainSetAutostart, /* 1.2.10 */
+ .domainGetAutostart = hypervDomainGetAutostart, /* 1.2.10 */
};
/* Retrieves host system UUID */
diff --git a/src/hyperv/hyperv_wmi.c b/src/hyperv/hyperv_wmi.c
index 13acd09..51d9b43 100644
--- a/src/hyperv/hyperv_wmi.c
+++ b/src/hyperv/hyperv_wmi.c
@@ -23,6 +23,7 @@
*/
#include <config.h>
+#include <wsman-soap.h> /* Where struct _WsXmlDoc is defined (necessary to dereference WsXmlDocH type) */
#include "internal.h"
#include "virerror.h"
@@ -33,15 +34,10 @@
#include "hyperv_private.h"
#include "hyperv_wmi.h"
#include "virstring.h"
+#include "hyperv_wmi_cimtypes.generated.h"
#define WS_SERIALIZER_FREE_MEM_WORKS 0
-#define ROOT_CIMV2 \
- "http://schemas.microsoft.com/wbem/wsman/1/wmi/root/cimv2/*"
-
-#define ROOT_VIRTUALIZATION \
- "http://schemas.microsoft.com/wbem/wsman/1/wmi/root/virtualization/*"
-
#define VIR_FROM_THIS VIR_FROM_HYPERV
@@ -667,6 +663,668 @@ hypervMsvmComputerSystemFromDomain(virDomainPtr domain,
return 0;
}
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * hypervInvokeMethod
+ * Function to invoke WSMAN request with simple, EPR or embedded parameters
+ */
+
+/* Create XML structure */
+static int
+hypervCreateXmlStruct(const char *methodName, const char *classURI,
+ WsXmlDocH *xmlDocRoot, WsXmlNodeH *xmlNodeMethod)
+{
+ virBuffer method_buff = VIR_BUFFER_INITIALIZER;
+ char *methodNameInput = NULL;
+
+ virBufferAsprintf(&method_buff, "%s_INPUT", methodName);
+ methodNameInput = virBufferContentAndReset(&method_buff);
+
+ if (methodNameInput == NULL) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ "%s",
+ _("Could not create Xml Doc"));
+ goto cleanup;
+ }
+
+ *xmlDocRoot = ws_xml_create_doc(NULL, methodNameInput);
+ if (*xmlDocRoot == NULL) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ "%s",
+ _("Could not create Xml Doc with given parameter xmlDocRoot"));
+ goto cleanup;
+ }
+
+ *xmlNodeMethod = xml_parser_get_root(*xmlDocRoot);
+ if (*xmlNodeMethod == NULL) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ "%s",
+ _("Could not get xmlDocRoot root node"));
+ goto cleanup;
+ }
+
+ /* Add namespace to xmlNodeMethode */
+ ws_xml_set_ns(*xmlNodeMethod, classURI, "p");
+
+ VIR_FREE(methodNameInput);
+ return 0;
+
+ cleanup:
+
+ virBufferFreeAndReset(&method_buff);
+ VIR_FREE(methodNameInput);
+ if (*xmlDocRoot != NULL) {
+ ws_xml_destroy_doc(*xmlDocRoot);
+ *xmlDocRoot = NULL;
+ }
+
+ return -1;
+}
+
+
+/* Look for the type of a given property class and specifies if it is an array */
+static int
+hypervGetPropType(const char *className, const char *propName, const char **propType, bool *isArray)
+{
+ int i, y;
+
+ i = 0;
+ while (cimClasses[i].name[0] != '\0') {
+ if (STREQ(cimClasses[i].name, className)){
+ y = 0;
+ while (cimClasses[i].cimTypesPtr[y].name[0] != '\0') {
+ if (STREQ(cimClasses[i].cimTypesPtr[y].name, propName)){
+ *propType = cimClasses[i].cimTypesPtr[y].type;
+ *isArray = cimClasses[i].cimTypesPtr[y].isArray;
+ return 0;
+ }
+ y++;
+ }
+ break;
+ }
+ i++;
+ }
+
+ return -1;
+}
+
+
+/* Adding an Simple param node to a parent node given in parameter */
+static int
+hypervAddSimpleParam(const char *paramName, const char* value,
+ const char *classURI, WsXmlNodeH *parentNode)
+{
+ int result = -1;
+ WsXmlNodeH xmlNodeParam = NULL;
+
+ xmlNodeParam = ws_xml_add_child(*parentNode, classURI, paramName, value);
+ if (xmlNodeParam == NULL) {
+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+ _("Could not create simple param"));
+ goto cleanup;
+ }
+
+ result = 0;
+
+ cleanup:
+ return result;
+}
+
+
+/* Adding EPR param node to a parent node given in parameter */
+static int
+hypervAddEprParam(const char *paramName, virBufferPtr query, const char *root,
+ const char *classURI, WsXmlNodeH *parentNode, WsXmlDocH doc, hypervPrivate *priv)
+{
+
+ int result = -1;
+ WsXmlNodeH xmlNodeParam = NULL;
+ WsXmlNodeH xmlNodTemp = NULL;
+ WsXmlNodeH xmlNodeAdr = NULL;
+ WsXmlNodeH xmlNodeRef = NULL;
+ xmlNodePtr xmlNodeAdrPtr = NULL;
+ xmlNodePtr xmlNodeRefPtr = NULL;
+ WsXmlDocH xmlDocResponse = NULL;
+ xmlDocPtr docPtr = (xmlDocPtr) doc->parserDoc;
+ WsXmlNsH ns = NULL;
+ client_opt_t *options = NULL;
+ filter_t *filter = NULL;
+ char *enumContext = NULL;
+ char *query_string = NULL;
+
+ /* Request options and filter */
+ options = wsmc_options_init();
+
+ if (options == NULL) {
+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+ _("Could not initialize options"));
+ goto cleanup;
+ }
+
+ wsmc_set_action_option(options, FLAG_ENUMERATION_ENUM_EPR);
+
+ query_string = virBufferContentAndReset(query);
+ filter = filter_create_simple(WSM_WQL_FILTER_DIALECT, query_string);
+ if (filter == NULL) {
+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+ _("Could not create filter"));
+ goto cleanup;
+ }
+
+ /* Invoke enumerate action*/
+ xmlDocResponse = wsmc_action_enumerate(priv->client,root, options, filter);
+
+ /* Check return value */
+ if (hyperyVerifyResponse(priv->client, xmlDocResponse, "enumeration") < 0) {
+ goto cleanup;
+ }
+
+ /* Get enumerate conext*/
+ enumContext = wsmc_get_enum_context(xmlDocResponse);
+
+ ws_xml_destroy_doc(xmlDocResponse);
+
+
+ /* Invoke pull action*/
+ xmlDocResponse = wsmc_action_pull(priv->client, classURI, options, filter, enumContext);
+
+ /* Check return value */
+ if (hyperyVerifyResponse(priv->client, xmlDocResponse, "pull") < 0) {
+ goto cleanup;
+ }
+
+ /* Extract EPR nodes childs */
+ xmlNodTemp = ws_xml_get_soap_body(xmlDocResponse);
+ if (xmlNodTemp == NULL) {
+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+ _("Could not lookup SOAP body"));
+ goto cleanup;
+ }
+
+ xmlNodTemp = ws_xml_get_child(xmlNodTemp, 0, XML_NS_ENUMERATION, WSENUM_PULL_RESP);
+ if (xmlNodTemp == NULL) {
+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+ _("Could not lookup pull response"));
+ goto cleanup;
+ }
+
+ xmlNodTemp = ws_xml_get_child(xmlNodTemp, 0, XML_NS_ENUMERATION, WSENUM_ITEMS);
+ if (xmlNodTemp == NULL) {
+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+ _("Could not lookup pull response items"));
+ goto cleanup;
+ }
+
+ xmlNodTemp = ws_xml_get_child(xmlNodTemp, 0, XML_NS_ADDRESSING, WSA_EPR);
+ if (xmlNodTemp == NULL) {
+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+ _("Could not lookup pull response item EPR"));
+ goto cleanup;
+ }
+
+ xmlNodeAdr = ws_xml_get_child(xmlNodTemp, 0, XML_NS_ADDRESSING, WSA_ADDRESS);
+ if (xmlNodeAdr == NULL) {
+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+ _("Could not lookup pull response item ADDRESS"));
+ goto cleanup;
+ }
+ xmlNodeAdrPtr = xmlDocCopyNode((xmlNodePtr) xmlNodeAdr, docPtr, 1);
+ if (xmlNodeAdrPtr == NULL) {
+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+ _("Could not copy item ADDRESS"));
+ goto cleanup;
+ }
+
+ xmlNodeRef = ws_xml_get_child(xmlNodTemp, 0, XML_NS_ADDRESSING, WSA_REFERENCE_PARAMETERS);
+ if (xmlNodeRef == NULL) {
+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+ _("Could not lookup pull response item REFERENCE PARAMETERS"));
+ goto cleanup;
+ }
+ xmlNodeRefPtr = xmlDocCopyNode((xmlNodePtr) xmlNodeRef, docPtr, 1);
+ if (xmlNodeRefPtr == NULL) {
+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+ _("Could not copy item REFERENCE PARAMETERS"));
+ goto cleanup;
+ }
+
+ /* Build XmlDoc with adding previous EPR nodes childs */
+ xmlNodeParam = ws_xml_add_child(*parentNode, classURI, paramName, NULL);
+ if (xmlNodeParam == NULL) {
+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+ _("Could not add child node to xmlNodeParam"));
+ goto cleanup;
+ }
+
+/*
+ The folowing line has been commented because of a memory corruption issue reported in the openwsman library
+ [ issue #43 - xml_parser_ns_add: alloc item size, not pointer size ]
+ xmlNodeSetLang((xmlNodePtr) xmlNodeParam, BAD_CAST "en-US");
+*/
+ ns = ws_xml_ns_add(xmlNodeParam, "http://schemas.xmlsoap.org/ws/2004/08/addressing", "a");
+ if (ns == NULL) {
+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+ _("Could not set namespace adressing to xmlNodeParam"));
+ goto cleanup;
+ }
+
+ ns = NULL;
+ ns = ws_xml_ns_add(xmlNodeParam, "http://schemas.dmtf.org/wbem/wsman/1/wsman.xsd", "w");
+ if (ns == NULL) {
+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+ _("Could not set namespace wsman to xmlNodeParam"));
+ goto cleanup;
+ }
+
+ if (xmlAddChild((xmlNodePtr) *parentNode,(xmlNodePtr) xmlNodeParam) == NULL) {
+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+ _("Could not add child to xml parent node"));
+ goto cleanup;
+ }
+
+ if (xmlAddChild((xmlNodePtr) xmlNodeParam, xmlNodeAdrPtr) == NULL) {
+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+ _("Could not add child to xml parent node"));
+ goto cleanup;
+ }
+
+ if (xmlAddChild((xmlNodePtr) xmlNodeParam, xmlNodeRefPtr) == NULL) {
+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+ _("Could not add child to xml parent node"));
+ goto cleanup;
+ }
+
+ result = 0;
+
+ cleanup:
+ if (options != NULL) {
+ wsmc_options_destroy(options);
+ }
+ if (filter != NULL) {
+ filter_destroy(filter);
+ }
+ ws_xml_destroy_doc(xmlDocResponse);
+ VIR_FREE(enumContext);
+ VIR_FREE(query_string);
+
+ return result;
+}
+
+
+/* Adding an Embedded Instance node to a parent node given in parameter */
+static int
+hypervAddEmbeddedParam(properties_t *prop_t, int nbProps, const char *paramName,
+ const char *instanceName, const char *classURI, WsXmlNodeH *parentNode)
+{
+
+ int result = -1;
+ WsXmlNodeH xmlNodeInstance = NULL;
+ WsXmlNodeH xmlNodeProperty = NULL;
+ WsXmlNodeH xmlNodeParam = NULL;
+ WsXmlNodeH xmlNodeArray = NULL;
+ WsXmlDocH xmlDocTemp = NULL;
+ WsXmlDocH xmlDocCdata = NULL;
+ xmlBufferPtr xmlBufferNode = NULL;
+ const xmlChar *xmlCharCdataContent = NULL;
+ xmlNodePtr xmlNodeCdata = NULL;
+ const char *type = NULL;
+ bool isArray = false;
+ int len = 0;
+ int i = 0;
+
+ /* Add child to given parent node*/
+ xmlNodeParam = ws_xml_add_child(*parentNode, classURI, paramName, NULL);
+ if (xmlNodeParam == NULL) {
+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+ _("Could not add child node to xmlNodeParam"));
+ goto cleanup;
+ }
+
+ /* Create temp Xml doc */
+ /* INSTANCE node */
+ xmlDocTemp = ws_xml_create_doc(NULL, "INSTANCE");
+ if (xmlDocTemp == NULL) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ "%s",
+ _("Could not create temporary Xml doc"));
+ goto cleanup;
+ }
+
+ xmlNodeInstance = xml_parser_get_root(xmlDocTemp);
+ if (xmlNodeInstance == NULL) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ "%s",
+ _("Could not get root of temporary Xml doc"));
+ goto cleanup;
+ }
+
+ /* Add CLASSNAME node to INSTANCE node */
+ if (ws_xml_add_node_attr(xmlNodeInstance, NULL, "CLASSNAME", instanceName) == NULL) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ "%s",
+ _("Could not add attribute to node "));
+ goto cleanup;
+ }
+
+ /* Property nodes */
+ while (i < nbProps) {
+
+ if (prop_t[i].name == NULL && prop_t[i].val == NULL) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ "%s",
+ _("Could not get properties from array"));
+ goto cleanup;
+ }
+
+ if (hypervGetPropType(instanceName, prop_t[i].name, &type, &isArray) < 0) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ "%s",
+ _("Could not get properties from array"));
+ goto cleanup;
+ }
+
+ xmlNodeProperty = ws_xml_add_child(xmlNodeInstance, NULL,
+ isArray ? "PROPERTY.ARRAY" : "PROPERTY", NULL);
+ if (xmlNodeProperty == NULL) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ "%s",
+ _("Could not add child to node"));
+ goto cleanup;
+ }
+
+ if (ws_xml_add_node_attr(xmlNodeProperty, NULL, "NAME", prop_t[i].name) == NULL) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ "%s",
+ _("Could not add attribute to node"));
+ goto cleanup;
+ }
+
+ if (ws_xml_add_node_attr(xmlNodeProperty, NULL, "TYPE", type) == NULL) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ "%s",
+ _("Could not add attribute to node"));
+ goto cleanup;
+ }
+
+ /* Add the node VALUE.ARRAY if the attribute is an array */
+ if (isArray) {
+ xmlNodeArray = ws_xml_add_child(xmlNodeProperty, NULL, "VALUE.ARRAY", NULL);
+ if (xmlNodeArray == NULL) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ "%s",
+ _("Could not add child to node"));
+ goto cleanup;
+ }
+ }
+
+ if (ws_xml_add_child(isArray ? xmlNodeArray : xmlNodeProperty, NULL, "VALUE", prop_t[i].val) == NULL) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ "%s",
+ _("Could not add child to node"));
+ goto cleanup;
+ }
+
+ xmlNodeArray = NULL;
+ xmlNodeProperty = NULL;
+ i++;
+ }
+
+ /* Create CDATA node */
+ xmlBufferNode = xmlBufferCreate();
+ if (xmlNodeDump(xmlBufferNode, (xmlDocPtr) xmlDocTemp->parserDoc, (xmlNodePtr) xmlNodeInstance, 0, 0) < 0) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ "%s",
+ _("Could not get root of temporary Xml doc"));
+ goto cleanup;
+ }
+
+ len = xmlBufferLength(xmlBufferNode);
+ xmlCharCdataContent = xmlBufferContent(xmlBufferNode);
+ xmlNodeCdata = xmlNewCDataBlock((xmlDocPtr) xmlDocCdata, xmlCharCdataContent, len);
+ if (xmlNodeCdata == NULL) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ "%s",
+ _("Could not get root of temporary Xml doc"));
+ goto cleanup;
+ }
+ /* Add CDATA node child to the root node of the main doc given */
+ if (xmlAddChild((xmlNodePtr) xmlNodeParam, xmlNodeCdata) == NULL) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ "%s",
+ _("Could not get root of temporary Xml doc"));
+ goto cleanup;
+ }
+
+ result = 0;
+
+ cleanup:
+ ws_xml_destroy_doc(xmlDocCdata);
+ ws_xml_destroy_doc(xmlDocTemp);
+ if (xmlBufferNode != NULL)
+ xmlBufferFree(xmlBufferNode);
+
+ return result;
+}
+
+
+/* Call wsmc_action_invoke() function of OpenWsman API with XML tree given in parameters*/
+static int
+hypervInvokeMethodXml(hypervPrivate *priv, WsXmlDocH xmlDocRoot,
+ const char *methodName, const char *ressourceURI, const char *selector)
+{
+ int result = -1;
+ int returnCode;
+ char *instanceID = NULL;
+ char *xpath_expr_string = NULL;
+ char *returnValue = NULL;
+ virBuffer query = VIR_BUFFER_INITIALIZER;
+ virBuffer xpath_expr_buff = VIR_BUFFER_INITIALIZER;
+ client_opt_t *options = NULL;
+ WsXmlDocH response = NULL;
+ Msvm_ConcreteJob *concreteJob = NULL;
+ bool completed = false;
+
+ options = wsmc_options_init();
+
+ if (options == NULL) {
+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+ _("Could not initialize options"));
+ goto cleanup;
+ }
+
+ wsmc_add_selectors_from_str(options, selector);
+
+ /* Invoke action */
+ response = wsmc_action_invoke(priv->client, ressourceURI, options, methodName, xmlDocRoot);
+
+ virBufferAsprintf(&xpath_expr_buff, "/s:Envelope/s:Body/p:%s_OUTPUT/p:ReturnValue", methodName);
+ xpath_expr_string = virBufferContentAndReset(&xpath_expr_buff);
+
+ if (xpath_expr_string == NULL) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ _("Could not lookup %s for %s invocation"),
+ "ReturnValue", "RequestStateChange");
+ goto cleanup;
+ }
+
+ /* Check return value */
+ returnValue = ws_xml_get_xpath_value(response, xpath_expr_string);
+
+ VIR_FREE(xpath_expr_string);
+ xpath_expr_string = NULL;
+
+ if (returnValue == NULL) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ _("Could not lookup %s for %s invocation"),
+ "ReturnValue", "RequestStateChange");
+ goto cleanup;
+ }
+
+ if (virStrToLong_i(returnValue, NULL, 10, &returnCode) < 0) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ _("Could not parse return code from '%s'"), returnValue);
+ goto cleanup;
+ }
+
+ if (returnCode == CIM_RETURNCODE_TRANSITION_STARTED) {
+ virBufferAsprintf(&xpath_expr_buff, "/s:Envelope/s:Body/p:%s_OUTPUT/p:Job/a:ReferenceParameters/w:SelectorSet/w:Selector[ Name='InstanceID']", methodName);
+ xpath_expr_string = virBufferContentAndReset(&xpath_expr_buff);
+ if (xpath_expr_string == NULL) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ _("Could not lookup %s for %s invocation"),
+ "InstanceID", "RequestStateChange");
+ goto cleanup;
+ }
+
+ /* Get concrete job object */
+ instanceID = ws_xml_get_xpath_value(response, xpath_expr_string);
+ if (instanceID == NULL) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ _("Could not lookup %s for %s invocation"),
+ "InstanceID", "RequestStateChange");
+ goto cleanup;
+ }
+
+ /* FIXME: Poll every 100ms until the job completes or fails.
+ * There seems to be no other way than polling. */
+ while (!completed) {
+ virBufferAddLit(&query, MSVM_CONCRETEJOB_WQL_SELECT);
+ virBufferAsprintf(&query, "where InstanceID = \"%s\"", instanceID);
+
+ if (hypervGetMsvmConcreteJobList(priv, &query, &concreteJob) < 0) {
+ goto cleanup;
+ }
+ if (concreteJob == NULL) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ _("Could not lookup %s for %s invocation"),
+ "Msvm_ConcreteJob", "RequestStateChange");
+ goto cleanup;
+ }
+
+ switch (concreteJob->data->JobState) {
+ case MSVM_CONCRETEJOB_JOBSTATE_NEW:
+ case MSVM_CONCRETEJOB_JOBSTATE_STARTING:
+ case MSVM_CONCRETEJOB_JOBSTATE_RUNNING:
+ case MSVM_CONCRETEJOB_JOBSTATE_SHUTTING_DOWN:
+ hypervFreeObject(priv, (hypervObject *) concreteJob);
+ concreteJob = NULL;
+ usleep(100 * 1000); /* Wait 100 ms */
+ continue;
+
+ case MSVM_CONCRETEJOB_JOBSTATE_COMPLETED:
+ completed = true;
+ break;
+
+ case MSVM_CONCRETEJOB_JOBSTATE_TERMINATED:
+ case MSVM_CONCRETEJOB_JOBSTATE_KILLED:
+ case MSVM_CONCRETEJOB_JOBSTATE_EXCEPTION:
+ case MSVM_CONCRETEJOB_JOBSTATE_SERVICE:
+ goto cleanup;
+
+ default:
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ _("Concrete job for %s invocation is in unknown state"),
+ "RequestStateChange");
+ goto cleanup;
+ }
+ }
+ }
+ else if (returnCode != CIM_RETURNCODE_COMPLETED_WITH_NO_ERROR) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ _("Invocation of %s returned an error: %s (%d)"),
+ "RequestStateChange", hypervReturnCodeToString(returnCode),
+ returnCode);
+ goto cleanup;
+ }
+
+ result = 0;
+
+ cleanup:
+ if (options != NULL)
+ wsmc_options_destroy(options);
+ if (response != NULL)
+ ws_xml_destroy_doc(response);
+ VIR_FREE(returnValue);
+ VIR_FREE(instanceID);
+ VIR_FREE(xpath_expr_string);
+ hypervFreeObject(priv, (hypervObject *) concreteJob);
+ virBufferFreeAndReset(&query);
+ virBufferFreeAndReset(&xpath_expr_buff);
+
+ return result;
+}
+
+
+/* Calls the invoke method by passing provided parameters as an XML tree */
+int
+hypervInvokeMethod(hypervPrivate *priv, invokeXmlParam *param_t, int nbParameters,
+ const char* methodName, const char* providerURI, const char *selector)
+{
+ int result = -1;
+ WsXmlDocH doc = NULL;
+ WsXmlNodeH methodNode = NULL;
+ simpleParam *simple;
+ eprParam *epr;
+ embeddedParam *embedded;
+ int i =0;
+
+ if (hypervCreateXmlStruct(methodName,providerURI,&doc,&methodNode) < 0) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ "%s",
+ _("Could not create xml base structure"));
+ goto cleanup;
+ }
+
+ /* Process parameters among the three allowed types */
+ while ( i < nbParameters) {
+ switch (param_t[i].type) {
+ case SIMPLE_PARAM:
+ simple = (simpleParam *) param_t[i].param;
+ if (hypervAddSimpleParam(param_t[i].name,simple->value, providerURI, &methodNode) < 0) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ "%s",
+ _("Could not add embedded instance param to xml base structure"));
+ goto cleanup;
+ }
+ break;
+ case EPR_PARAM:
+ epr = (eprParam *) param_t[i].param;
+ if (hypervAddEprParam(param_t[i].name, epr->query, epr->wmiProviderURI, providerURI, &methodNode, doc, priv) < 0) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ "%s",
+ _("Could not add EPR param to xml base structure"));
+ goto cleanup;
+ }
+ break;
+ case EMBEDDED_PARAM:
+ embedded = (embeddedParam *) param_t[i].param;
+ if (hypervAddEmbeddedParam(embedded->prop_t, embedded->nbProps, param_t[i].name, embedded->instanceName, providerURI, &methodNode) < 0) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ "%s",
+ _("Could not add embedded instance param to xml base structure"));
+ goto cleanup;
+ }
+ break;
+ }
+ i++;
+ }
+
+ /* Call the invoke method */
+ if (hypervInvokeMethodXml(priv, doc, methodName, providerURI, selector) < 0) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ "%s",
+ _("Error during invocation action"));
+ goto cleanup;
+ }
+
+ result = 0;
+
+ cleanup:
+ if (doc != NULL)
+ ws_xml_destroy_doc(doc);
+
+ return result;
+}
+
#include "hyperv_wmi.generated.c"
diff --git a/src/hyperv/hyperv_wmi.h b/src/hyperv/hyperv_wmi.h
index 5fbbbac..c14d229 100644
--- a/src/hyperv/hyperv_wmi.h
+++ b/src/hyperv/hyperv_wmi.h
@@ -29,7 +29,11 @@
# include "hyperv_wmi_classes.h"
# include "openwsman.h"
+#define ROOT_CIMV2 \
+ "http://schemas.microsoft.com/wbem/wsman/1/wmi/root/cimv2/*"
+#define ROOT_VIRTUALIZATION \
+ "http://schemas.microsoft.com/wbem/wsman/1/wmi/root/virtualization/*"
typedef struct _hypervObject hypervObject;
@@ -38,6 +42,8 @@ int hyperyVerifyResponse(WsManClient *client, WsXmlDocH response,
+
+
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Object
*/
@@ -91,6 +97,58 @@ enum _Msvm_ReturnCode {
const char *hypervReturnCodeToString(int returnCode);
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * hypervInvokeMethod
+ * Function to invoke WSMAN request with simple, EPR or embedded parameters
+ */
+
+enum _PARAM_Type {
+ SIMPLE_PARAM = 0,
+ EPR_PARAM = 1,
+ EMBEDDED_PARAM = 2,
+};
+
+typedef struct _invokeXmlParam invokeXmlParam;
+struct _invokeXmlParam{
+ const char *name;
+ int type;
+ void *param;
+};
+
+typedef struct _eprParam eprParam;
+struct _eprParam{
+ virBufferPtr query;
+ const char *wmiProviderURI;
+};
+
+typedef struct _simpleParam simpleParam;
+struct _simpleParam{
+ const char *value;
+};
+
+typedef struct _properties_t properties_t;
+struct _properties_t{
+ const char *name;
+ const char *val;
+};
+
+typedef struct _embeddedParam embeddedParam;
+struct _embeddedParam{
+ const char *instanceName;
+ properties_t *prop_t;
+ int nbProps;
+};
+
+
+int
+hypervInvokeMethod(hypervPrivate *priv,
+ invokeXmlParam *parameters,
+ int nbParameters,
+ const char* methodName,
+ const char* providerURI,
+ const char *selector);
+
+
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
diff --git a/src/hyperv/openwsman.h b/src/hyperv/openwsman.h
index f66ed86..27029e7 100644
--- a/src/hyperv/openwsman.h
+++ b/src/hyperv/openwsman.h
@@ -43,4 +43,8 @@
# define SER_NS_INT64(ns, n, x) SER_NS_INT64_FLAGS(ns, n, x, 0)
# endif
+/* wsman-xml.h */
+WsXmlDocH ws_xml_create_doc( const char *rootNsUri, const char *rootName);
+WsXmlNodeH xml_parser_get_root(WsXmlDocH doc);
+
#endif /* __OPENWSMAN_H__ */
--
2.7.4
More information about the libvir-list
mailing list