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[libvirt] [PATCH 2/4] parallels: Introduce parallelsDomObjFromDomain()



This function is practically copied over from qemu driver. Its
only purpose in life is to lookup a domain object and print an
error if no object is found.

Signed-off-by: Michal Privoznik <mprivozn redhat com>
---
 src/parallels/parallels_utils.c | 32 ++++++++++++++++++++++++++++++++
 src/parallels/parallels_utils.h |  2 ++
 2 files changed, 34 insertions(+)

diff --git a/src/parallels/parallels_utils.c b/src/parallels/parallels_utils.c
index 8a3caa4..ff9d47d 100644
--- a/src/parallels/parallels_utils.c
+++ b/src/parallels/parallels_utils.c
@@ -30,9 +30,41 @@
 #include "virjson.h"
 #include "parallels_utils.h"
 #include "virstring.h"
+#include "datatypes.h"
 
 #define VIR_FROM_THIS VIR_FROM_PARALLELS
 
+/**
+ * parallelsDomObjFromDomain:
+ * @domain: Domain pointer that has to be looked up
+ *
+ * This function looks up @domain and returns the appropriate virDomainObjPtr
+ * that has to be unlocked by virObjectUnlock().
+ *
+ * Returns the domain object without incremented reference counter which is locked
+ * on success, NULL otherwise.
+ */
+virDomainObjPtr
+parallelsDomObjFromDomain(virDomainPtr domain)
+{
+    virDomainObjPtr vm;
+    parallelsConnPtr privconn = domain->conn->privateData;
+    char uuidstr[VIR_UUID_STRING_BUFLEN];
+
+    vm = virDomainObjListFindByUUID(privconn->domains, domain->uuid);
+    if (!vm) {
+        virUUIDFormat(domain->uuid, uuidstr);
+        virReportError(VIR_ERR_NO_DOMAIN,
+                       _("no domain with matching uuid '%s' (%s)"),
+                       uuidstr, domain->name);
+        return NULL;
+    }
+
+    return vm;
+
+}
+
+
 static int
 parallelsDoCmdRun(char **outbuf, const char *binary, va_list list)
 {
diff --git a/src/parallels/parallels_utils.h b/src/parallels/parallels_utils.h
index 4797794..8bbfe85 100644
--- a/src/parallels/parallels_utils.h
+++ b/src/parallels/parallels_utils.h
@@ -91,6 +91,8 @@ virDrvOpenStatus parallelsNetworkOpen(virConnectPtr conn, unsigned int flags);
 int parallelsNetworkClose(virConnectPtr conn);
 extern virNetworkDriver parallelsNetworkDriver;
 
+virDomainObjPtr parallelsDomObjFromDomain(virDomainPtr domain);
+
 virJSONValuePtr parallelsParseOutput(const char *binary, ...)
     ATTRIBUTE_NONNULL(1) ATTRIBUTE_SENTINEL;
 char * parallelsGetOutput(const char *binary, ...)
-- 
2.0.5


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