Add publishExists() and browserExists() api calls.

avahiclient.cpp

@@ -271,6 +271,14 @@ void QZeroConf::stopServicePublish(void)
 	}
 }
 
+bool QZeroConf::publishExists(void)
+{
+	if (pri->group)
+		return true;
+	else
+		return false;
+}
+
 // http://www.zeroconf.org/rendezvous/txtrecords.html
 
 void QZeroConf::addServiceTxtRecord(QString nameOnly)
@@ -314,3 +322,11 @@ void QZeroConf::stopBrowser(void)
 {
 	pri->broswerCleanUp();
 }
+
+bool QZeroConf::browserExists(void)
+{
+	if (pri->browser)
+		return true;
+	else
+		return false;
+}

avahicore.cpp

@@ -311,6 +311,14 @@ void QZeroConf::stopServicePublish(void)
 	}
 }
 
+bool QZeroConf::publishExists(void)
+{
+	if (pri->group)
+		return true;
+	else
+		return false;
+}
+
 // http://www.zeroconf.org/rendezvous/txtrecords.html
 
 void QZeroConf::addServiceTxtRecord(QString nameOnly)
@@ -354,3 +362,11 @@ void QZeroConf::stopBrowser(void)
 {
 	pri->broswerCleanUp();
 }
+
+bool QZeroConf::browserExists(void)
+{
+	if (pri->browser)
+		return true;
+	else
+		return false;
+}

bonjour.cpp

@@ -320,6 +320,14 @@ void QZeroConf::stopServicePublish(void)
 	pri->cleanUp(pri->dnssRef);
 }
 
+bool QZeroConf::publishExists(void)
+{
+	if (pri->dnssRef)
+		return true;
+	else
+		return false;
+}
+
 void QZeroConf::addServiceTxtRecord(QString nameOnly)
 {
 	pri->txt.append((quint8) nameOnly.size());
@@ -376,3 +384,11 @@ void QZeroConf::stopBrowser(void)
 {
 	pri->cleanUp(pri->browser);
 }
+
+bool QZeroConf::browserExists(void)
+{
+	if (pri->browser)
+		return true;
+	else
+		return false;
+}