[phodav PATCH 1/7 v3] spice-webdavd: Safer MDNS Unregister

[Lukas Venhoda <lvenhoda@xxxxxxxxxx>]

Add error handling when unregistering folder from file explorer.
Move unregistering to a function.

Acked-by: Marc-André Lureau <mlureau@xxxxxxxxxx>
---
Changes since v2:
 - None
Changes since v1:
 - Split patch into 2
---
 spice/spice-webdavd.c | 27 ++++++++++++++++++++++-----
 1 file changed, 22 insertions(+), 5 deletions(-)

diff --git a/spice/spice-webdavd.c b/spice/spice-webdavd.c
index 742f9c9..68f3cf0 100644
--- a/spice/spice-webdavd.c
+++ b/spice/spice-webdavd.c
@@ -222,6 +222,9 @@ static HANDLE port_handle;
 #endif

 static void start_mux_read (GInputStream *istream);
+#ifdef WITH_AVAHI
+static void mdns_unregister_service (void);
+#endif

 static void
 quit (int sig)
@@ -614,6 +617,24 @@ end:
 }

 static void
+mdns_unregister_service (void)
+{
+  GError *error = NULL;
+
+  if (mdns_group)
+    {
+      if (!ga_entry_group_reset (mdns_group, &error))
+        {
+          g_warning ("Could not disconnect MDNS service: %s", error->message);
+          g_clear_error (&error);
+        }
+
+      mdns_service = 0;
+      g_debug ("MDNS client disconected");
+    }
+}
+
+static void
 mdns_state_changed (GaClient *client, GaClientState state, gpointer user_data)
 {
   switch (state)
@@ -630,11 +651,7 @@ mdns_state_changed (GaClient *client, GaClientState state, gpointer user_data)
     case GA_CLIENT_STATE_S_COLLISION:
     case GA_CLIENT_STATE_S_REGISTERING:
       g_message ("MDNS collision");
-      if (mdns_group)
-        {
-          ga_entry_group_reset (mdns_group, NULL);
-          mdns_service = 0;
-        }
+      mdns_unregister_service ();
       break;

     default:
--
2.5.0

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