[Libvirt-cim] [PATCH 1 of 3] Device: rename dom_device to enum_devices and make it configurable
Heidi Eckhart
heidieck at linux.vnet.ibm.com
Fri Mar 7 12:26:41 UTC 2008
# HG changeset patch
# User Heidi Eckhart <heidieck at linux.vnet.ibm.com>
# Date 1204892341 -3600
# Node ID 3afbff37cc3946a1f584fff572717f75aa8facc2
# Parent d09896378f5dc5dfd70054a9c514682a23cd4fd3
Device: rename dom_device to enum_devices and make it configurable
- update resource type to CIM_RES_TYPE_foo
Signed-off-by: Heidi Eckhart <heidieck at linux.vnet.ibm.com>
diff -r d09896378f5d -r 3afbff37cc39 src/Virt_Device.c
--- a/src/Virt_Device.c Fri Mar 07 13:19:00 2008 +0100
+++ b/src/Virt_Device.c Fri Mar 07 13:19:01 2008 +0100
@@ -236,22 +236,22 @@ static CMPIInstance *device_instance(con
{
CMPIInstance *instance;
- if (dev->type == VIRT_DEV_NET)
+ if (dev->type == CIM_RES_TYPE_NET)
instance = net_instance(broker,
&dev->dev.net,
dom,
ns);
- else if (dev->type == VIRT_DEV_DISK)
+ else if (dev->type == CIM_RES_TYPE_DISK)
instance = disk_instance(broker,
&dev->dev.disk,
dom,
ns);
- else if (dev->type == VIRT_DEV_MEM)
+ else if (dev->type == CIM_RES_TYPE_MEM)
instance = mem_instance(broker,
&dev->dev.mem,
dom,
ns);
- else if (dev->type == VIRT_DEV_VCPU)
+ else if (dev->type == CIM_RES_TYPE_PROC)
instance = vcpu_instance(broker,
&dev->dev.vcpu,
dom,
@@ -271,23 +271,24 @@ uint16_t device_type_from_classname(cons
uint16_t device_type_from_classname(const char *classname)
{
if (strstr(classname, "NetworkPort"))
- return VIRT_DEV_NET;
+ return CIM_RES_TYPE_NET;
else if (strstr(classname, "LogicalDisk"))
- return VIRT_DEV_DISK;
+ return CIM_RES_TYPE_DISK;
else if (strstr(classname, "Memory"))
- return VIRT_DEV_MEM;
+ return CIM_RES_TYPE_MEM;
else if (strstr(classname, "Processor"))
- return VIRT_DEV_VCPU;
+ return CIM_RES_TYPE_PROC;
else
- return VIRT_DEV_UNKNOWN;
-}
-
-int dom_devices(const CMPIBroker *broker,
- virDomainPtr dom,
- const char *ns,
- int type,
- struct inst_list *list)
-{
+ return CIM_RES_TYPE_UNKNOWN;
+}
+
+static CMPIStatus _get_devices(const CMPIBroker *broker,
+ const CMPIObjectPath *reference,
+ const virDomainPtr dom,
+ const uint16_t type,
+ struct inst_list *list)
+{
+ CMPIStatus s = {CMPI_RC_OK, NULL};
int count;
int i;
struct virt_device *devs = NULL;
@@ -299,7 +300,10 @@ int dom_devices(const CMPIBroker *broker
for (i = 0; i < count; i++) {
CMPIInstance *dev = NULL;
- dev = device_instance(broker, &devs[i], dom, ns);
+ dev = device_instance(broker,
+ &devs[i],
+ dom,
+ NAMESPACE(reference));
if (dev)
inst_list_add(list, dev);
@@ -308,57 +312,106 @@ int dom_devices(const CMPIBroker *broker
out:
free(devs);
-
- return 1;
-}
-
-static int dom_list_devices(virConnectPtr conn,
- const CMPIObjectPath *ref,
- struct inst_list *list)
-{
- virDomainPtr *doms;
- int ndom;
+ return s;
+}
+
+static CMPIStatus _enum_devices(const CMPIBroker *broker,
+ const CMPIObjectPath *reference,
+ const virDomainPtr dom,
+ const uint16_t type,
+ struct inst_list *list)
+{
+ CMPIStatus s;
+
+ if (type == CIM_RES_TYPE_ALL) {
+ s = _get_devices(broker,
+ reference,
+ dom,
+ CIM_RES_TYPE_PROC,
+ list);
+ s = _get_devices(broker,
+ reference,
+ dom,
+ CIM_RES_TYPE_MEM,
+ list);
+ s = _get_devices(broker,
+ reference,
+ dom,
+ CIM_RES_TYPE_NET,
+ list);
+ s = _get_devices(broker,
+ reference,
+ dom,
+ CIM_RES_TYPE_DISK,
+ list);
+ }
+ else
+ s = _get_devices(broker,
+ reference,
+ dom,
+ type,
+ list);
+
+ return s;
+}
+
+CMPIStatus enum_devices(const CMPIBroker *broker,
+ const CMPIObjectPath *reference,
+ const char *domain,
+ const uint16_t type,
+ struct inst_list *list)
+{
+ CMPIStatus s = {CMPI_RC_OK, NULL};
+ virConnectPtr conn = NULL;
+ virDomainPtr *doms = NULL;
+ int count = 1;
int i;
- int type;
-
- type = device_type_from_classname(CLASSNAME(ref));
-
- ndom = get_domain_list(conn, &doms);
- if (ndom == 0)
- return 1;
- else if (ndom < 0)
- return 0;
-
- for (i = 0; i < ndom; i++) {
- dom_devices(_BROKER, doms[i], NAMESPACE(ref), type, list);
- }
-
- return 1;
-}
-
-static CMPIStatus enum_devices(const CMPIObjectPath *reference,
- const CMPIResult *results,
- int names_only)
-{
- CMPIStatus s;
- virConnectPtr conn;
+
+ conn = connect_by_classname(broker, CLASSNAME(reference), &s);
+ if (conn == NULL)
+ goto out;
+
+ if (domain) {
+ doms = calloc(1, sizeof(virDomainPtr));
+ doms[0] = virDomainLookupByName(conn, domain);
+ }
+ else
+ count = get_domain_list(conn, &doms);
+
+ for (i = 0; i < count; i++) {
+ s = _enum_devices(broker,
+ reference,
+ doms[i],
+ type,
+ list);
+
+ virDomainFree(doms[i]);
+ }
+
+ out:
+ virConnectClose(conn);
+ free(doms);
+
+ return s;
+}
+
+static CMPIStatus return_enum_devices(const CMPIObjectPath *reference,
+ const CMPIResult *results,
+ int names_only)
+{
+ CMPIStatus s = {CMPI_RC_OK, NULL};
struct inst_list list;
if (!provider_is_responsible(_BROKER, reference, &s))
- return s;
+ goto out;
inst_list_init(&list);
- conn = connect_by_classname(_BROKER, CLASSNAME(reference), &s);
- if (conn == NULL)
- return s;
-
- if (!dom_list_devices(conn, reference, &list)) {
- cu_statusf(_BROKER, &s,
- CMPI_RC_ERR_FAILED,
- "Failed to list domains");
- return s;
- }
+ s = enum_devices(_BROKER, reference, NULL,
+ device_type_from_classname(CLASSNAME(reference)),
+ &list);
+ if (s.rc != CMPI_RC_OK)
+ goto out;
if (list.cur == 0)
goto out;
@@ -371,11 +424,6 @@ static CMPIStatus enum_devices(const CMP
inst_list_free(&list);
out:
- cu_statusf(_BROKER, &s,
- CMPI_RC_OK,
- "");
- virConnectClose(conn);
-
return s;
}
@@ -524,7 +572,7 @@ static CMPIStatus EnumInstanceNames(CMPI
const CMPIResult *results,
const CMPIObjectPath *reference)
{
- return enum_devices(reference, results, 1);
+ return return_enum_devices(reference, results, true);
}
static CMPIStatus EnumInstances(CMPIInstanceMI *self,
@@ -533,7 +581,7 @@ static CMPIStatus EnumInstances(CMPIInst
const CMPIObjectPath *reference,
const char **properties)
{
- return enum_devices(reference, results, 0);
+ return return_enum_devices(reference, results, false);
}
static CMPIStatus GetInstance(CMPIInstanceMI *self,
diff -r d09896378f5d -r 3afbff37cc39 src/Virt_Device.h
--- a/src/Virt_Device.h Fri Mar 07 13:19:00 2008 +0100
+++ b/src/Virt_Device.h Fri Mar 07 13:19:01 2008 +0100
@@ -27,19 +27,18 @@
* Return a list of devices for a given domain
*
* @param broker A pointer to the CIM broker
- * @param dom The domain in question
- * @param ref The namespace
- * @param list A pointer to an array of CMPIInstance objects (should
- * be NULL initially)
- * @param cur The number of items in the list (0 initially)
- * @param max The size of the list (0 initially)
- * @returns Nonzero on success
+ * @param reference Defines the libvirt connection to use
+ * @param domain The domain id (NULL means for all domains)
+ * @param type The device type or CIM_RES_TYPE_ALL to get
+ * all devices
+ * @param list A pointer to an array of CMPIInstance objects
+ * (should be NULL initially)
*/
-int dom_devices(const CMPIBroker *broker,
- virDomainPtr dom,
- const char *ns,
- int type,
- struct inst_list *list);
+CMPIStatus enum_devices(const CMPIBroker *broker,
+ const CMPIObjectPath *reference,
+ const char *domain,
+ const uint16_t type,
+ struct inst_list *list);
/**
* Returns the device instance defined by the reference
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