Changeset 27954 in vbox for trunk/src/VBox/HostServices/GuestProperties

Timestamp:

Apr 1, 2010 9:09:23 PM (15 years ago)

Author:

vboxsync

Message:

HostServices/GuestProperties: do not send an update notification if the value and flags of a property have not changed

File:

• trunk/src/VBox/HostServices/GuestProperties/service.cpp (modified) (3 diffs)

trunk/src/VBox/HostServices/GuestProperties/service.cpp

@@ -578 +578 @@
     RTTIMESPEC time;
     uint64_t u64TimeNano = RTTimeSpecGetNano(RTTimeNow(&time));
+    bool fNotify = true;
 
     LogFlowThisFunc(("\n"));
@@ -636 +637 @@
             if (found)
             {
+                if (   !it->mValue.compare(pcszValue)
+                    && (it->mFlags == fFlags))
+                    fNotify = false;
                 it->mValue = pcszValue;
                 it->mTimestamp = u64TimeNano;
@@ -646 +650 @@
              * Send a notification to the host and return.
              */
-            // if (isGuest)  /* Notify the host even for properties that the host
-            //                * changed.  Less efficient, but ensures consistency. */
+            if (fNotify)
                 doNotifications(pcszName, u64TimeNano);
             Log2(("Set string %s, rc=%Rrc, value=%s\n", pcszName, rc, pcszValue));