link-state: util: Add equality comparison functions for structures

This patch adds functions to compare structures containing network
device configuration for equality. They serve for the purpose of
disallowing unsupported changes to live network devices.

diff --git a/src/util/network.c b/src/util/network.c
index 6fcdab2bba4054381410cd1f58de96dc3cc0b951..ee695575a9a3753f3fdc90c2de5382c705813d79 100644 (file)
--- a/src/util/network.c
+++ b/src/util/network.c
@@ -842,6 +842,43 @@ error:
     return ret;
 }
 
+bool
+virVirtualPortProfileEqual(virVirtualPortProfileParamsPtr a, virVirtualPortProfileParamsPtr b)
+{
+    /* NULL resistant */
+    if (!a && !b)
+        return true;
+
+    if (!a || !b)
+        return false;
+
+    if (a->virtPortType != b->virtPortType)
+        return false;
+
+    switch (a->virtPortType) {
+    case VIR_VIRTUALPORT_NONE:
+        break;
+
+    case VIR_VIRTUALPORT_8021QBG:
+        if (a->u.virtPort8021Qbg.managerID != b->u.virtPort8021Qbg.managerID ||
+            a->u.virtPort8021Qbg.typeID != b->u.virtPort8021Qbg.typeID ||
+            a->u.virtPort8021Qbg.typeIDVersion != b->u.virtPort8021Qbg.typeIDVersion ||
+            memcmp(a->u.virtPort8021Qbg.instanceID, b->u.virtPort8021Qbg.instanceID, VIR_UUID_BUFLEN) != 0)
+            return false;
+        break;
+
+    case VIR_VIRTUALPORT_8021QBH:
+        if (STRNEQ(a->u.virtPort8021Qbh.profileID, b->u.virtPort8021Qbh.profileID))
+            return false;
+        break;
+
+    default:
+        break;
+    }
+
+    return true;
+}
+
 void
 virVirtualPortProfileFormat(virBufferPtr buf,
                             virVirtualPortProfileParamsPtr virtPort,
@@ -1321,3 +1358,28 @@ cleanup:
     }
     return ret;
 }
+
+bool
+virBandwidthEqual(virBandwidthPtr a,
+                  virBandwidthPtr b)
+{
+        if (!a && !b)
+            return true;
+
+        if (!a || !b)
+            return false;
+
+        /* in */
+        if (a->in->average != b->in->average ||
+            a->in->peak != b->in->peak ||
+            a->in->burst != b->in->burst)
+            return false;
+
+        /*out*/
+        if (a->out->average != b->out->average ||
+            a->out->peak != b->out->peak ||
+            a->out->burst != b->out->burst)
+            return false;
+
+        return true;
+}

diff --git a/src/util/network.h b/src/util/network.h
index 6ceaa6d5b9ceaa29cdff788dd483a7415e313bd4..4d195af90fa6f49a6b298dd2b0ddfbed78fd54e0 100644 (file)
--- a/src/util/network.h
+++ b/src/util/network.h
@@ -150,6 +150,8 @@ virVirtualPortProfileFormat(virBufferPtr buf,
                             virVirtualPortProfileParamsPtr virtPort,
                             const char *indent);
 
+bool virVirtualPortProfileEqual(virVirtualPortProfileParamsPtr a, virVirtualPortProfileParamsPtr b);
+
 virBandwidthPtr virBandwidthDefParseNode(xmlNodePtr node);
 void virBandwidthDefFree(virBandwidthPtr def);
 int virBandwidthDefFormat(virBufferPtr buf,
@@ -160,4 +162,7 @@ int virBandwidthEnable(virBandwidthPtr bandwidth, const char *iface);
 int virBandwidthDisable(const char *iface, bool may_fail);
 int virBandwidthCopy(virBandwidthPtr *dest, const virBandwidthPtr src);
 
+bool virBandwidthEqual(virBandwidthPtr a, virBandwidthPtr b);
+
+
 #endif /* __VIR_NETWORK_H__ */