[virt-tools-list] [virt-viewer] vnc: Report error on virt_viewer_session_vnc_open_uri() failures

[Christophe Fergeau]

For example this changes the error message for 'vnc:foo:1' from
"Failed to initiate connection" to "Invalid VNC URI: 'vnc:foo:1'"
---
 src/virt-viewer-session-vnc.c | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/src/virt-viewer-session-vnc.c b/src/virt-viewer-session-vnc.c
index 5cd20af..18ccc4a 100644
--- a/src/virt-viewer-session-vnc.c
+++ b/src/virt-viewer-session-vnc.c
@@ -30,6 +30,7 @@
 #include "virt-viewer-auth.h"
 #include "virt-viewer-session-vnc.h"
 #include "virt-viewer-display-vnc.h"
+#include "virt-viewer-util.h"
 
 #include <glib/gi18n.h>
 #include <libxml/uri.h>
@@ -227,12 +228,20 @@ virt_viewer_session_vnc_open_uri(VirtViewerSession* session,
         portstr = g_strdup_printf("%d", virt_viewer_file_get_port(file));
         hoststr = g_strdup(virt_viewer_file_get_host(file));
 
-        if (!virt_viewer_file_fill_app(file, app, error))
+        if (!virt_viewer_file_fill_app(file, app, error)) {
+            g_set_error(error,
+                        VIRT_VIEWER_ERROR, VIRT_VIEWER_ERROR_FAILED,
+                        _("Failed to parse connection file"));
             return FALSE;
+        }
     } else {
         xmlURIPtr uri = NULL;
-        if (!(uri = xmlParseURI(uristr)))
+        if (!(uri = xmlParseURI(uristr))) {
+            g_set_error(error,
+                        VIRT_VIEWER_ERROR, VIRT_VIEWER_ERROR_FAILED,
+                        _("Failed to parse VNC URI '%s'"), uristr);
             return FALSE;
+        }
 
         portstr = g_strdup_printf("%d", uri->port);
 
@@ -254,7 +263,12 @@ virt_viewer_session_vnc_open_uri(VirtViewerSession* session,
         ret = vnc_display_open_host(self->priv->vnc,
                                     hoststr,
                                     portstr);
+    } else {
+        g_set_error(error,
+                    VIRT_VIEWER_ERROR, VIRT_VIEWER_ERROR_FAILED,
+                    _("Invalid VNC URI '%s'"), uristr);
     }
+
     g_free(portstr);
     g_free(hoststr);
     return ret;
-- 
2.9.3