From 31119114cec29b890bc755bed0272a208b7130bf Mon Sep 17 00:00:00 2001
From: Jonathan Bagg <drwho@infidigm.net>
Date: Thu, 31 May 2018 21:35:21 -0400
Subject: [PATCH] AvahiCore - add reference count for AvahiServer instance

---
 avahicore.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/avahicore.cpp b/avahicore.cpp
index 4d771ed..ac77a42 100644
--- a/avahicore.cpp
+++ b/avahicore.cpp
@@ -55,9 +55,10 @@ public:
 		avahi_server_config_init(&config);
 		config.publish_workstation = 0;
 
-		if (!server) {
+		if (!referenceCount) {
 			server = avahi_server_new(poll, &config, serverCallback, this, &error);
 		}
+		referenceCount++;
 		if (!server) {
 			return;
 		}
@@ -259,6 +260,7 @@ public:
 	QZeroConf *pub;
 	const AvahiPoll *poll;
 	static AvahiServer *server;
+	static quint32 referenceCount;
 	AvahiServerConfig config;
 	AvahiSEntryGroup *group;
 	AvahiSServiceBrowser *browser;
@@ -270,6 +272,7 @@ public:
 };
 
 AvahiServer* QZeroConfPrivate::server = nullptr;
+quint32 QZeroConfPrivate::referenceCount = 0;
 
 QZeroConf::QZeroConf(QObject *parent) : QObject (parent)
 {
@@ -282,7 +285,8 @@ QZeroConf::~QZeroConf()
 	avahi_string_list_free(pri->txt);
 	pri->broswerCleanUp();
 	avahi_server_config_free(&pri->config);
-	if (pri->server)
+	pri->referenceCount--;
+	if (!pri->referenceCount)
 		avahi_server_free(pri->server);
 	delete pri;
 }