[rygel] core,ui: Handle some previously unhandled errors

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit a3f4f60970f8ecf752a2b879730fad4a211af51c
Author: Zeeshan Ali (Khattak) <zeeshanak gnome org>
Date:   Sun Oct 4 03:35:38 2009 +0300

    core,ui: Handle some previously unhandled errors

 src/rygel/rygel-log-handler.vala      |    9 ++++++++-
 src/rygel/rygel-main.vala             |   17 +++++++++++------
 src/rygel/rygel-user-config.vala      |    8 +++++++-
 src/ui/rygel-plugin-pref-section.vala |    6 +++++-
 4 files changed, 31 insertions(+), 9 deletions(-)
---
diff --git a/src/rygel/rygel-log-handler.vala b/src/rygel/rygel-log-handler.vala
index 7a073c2..d67e858 100644
--- a/src/rygel/rygel-log-handler.vala
+++ b/src/rygel/rygel-log-handler.vala
@@ -56,7 +56,14 @@ public class Rygel.LogHandler : GLib.Object {
         // Get the allowed log levels from the config
         var config = MetaConfig.get_default ();
 
-        this.levels = this.log_level_to_flags (config.get_log_level ());
+        try {
+            this.levels = this.log_level_to_flags (config.get_log_level ());
+        } catch (Error err) {
+            this.levels = DEFAULT_LEVELS;
+
+            warning ("Failed to get log level from configuration sources: %s",
+                     err.message);
+        }
     }
 
     private void log_func (string?       log_domain,
diff --git a/src/rygel/rygel-main.vala b/src/rygel/rygel-main.vala
index c940008..80e88ac 100644
--- a/src/rygel/rygel-main.vala
+++ b/src/rygel/rygel-main.vala
@@ -109,12 +109,17 @@ public class Rygel.Main : Object {
         } catch (GLib.Error err) {}
 
         if (iface == null || iface == context.interface) {
-            var factory = new RootDeviceFactory (context);
-            this.factories.add (factory);
-
-            var iterator = this.plugin_loader.list_plugins ().iterator ();
-            while (iterator.next ()) {
-                this.create_device (iterator.get (), factory);
+            try {
+                var factory = new RootDeviceFactory (context);
+                this.factories.add (factory);
+
+                var iterator = this.plugin_loader.list_plugins ().iterator ();
+                while (iterator.next ()) {
+                    this.create_device (iterator.get (), factory);
+                }
+            } catch (GLib.Error err) {
+                warning ("Failed to create root device factory: %s\n",
+                         err.message);
             }
         } else {
             debug ("Ignoring network context %s (%s).",
diff --git a/src/rygel/rygel-user-config.vala b/src/rygel/rygel-user-config.vala
index 8ea5a1b..643916e 100644
--- a/src/rygel/rygel-user-config.vala
+++ b/src/rygel/rygel-user-config.vala
@@ -63,7 +63,13 @@ public class Rygel.UserConfig : GLib.Object, Configuration {
     }
 
     public void set_upnp_enabled (bool value) {
-        if (value != this.get_upnp_enabled ()) {
+        bool enabled = false;
+
+        try {
+            enabled = this.get_upnp_enabled ();
+        } catch (GLib.Error err) {}
+
+        if (value != enabled) {
             this.enable_upnp (value);
         }
     }
diff --git a/src/ui/rygel-plugin-pref-section.vala b/src/ui/rygel-plugin-pref-section.vala
index fb1d370..c4f48be 100644
--- a/src/ui/rygel-plugin-pref-section.vala
+++ b/src/ui/rygel-plugin-pref-section.vala
@@ -51,7 +51,11 @@ public class Rygel.PluginPrefSection : PreferencesSection {
         assert (title_label != null);
         this.widgets.add (title_label);
 
-        this.enabled_check.active = config.get_enabled (name);
+        try {
+            this.enabled_check.active = config.get_enabled (name);
+        } catch (GLib.Error err) {
+            this.enabled_check.active = false;
+        }
 
         string title;
         try {