[virt-tools-list] [virt-viewer PATCH] Test error->message and, if NULL, use a default message

Christophe de Dinechin cdupontd at redhat.com
Thu Feb 9 12:02:27 UTC 2017


---
 src/ovirt-foreign-menu.c               | 14 +++++++-------
 src/remote-viewer.c                    | 22 ++++++++++++----------
 src/virt-viewer-app.c                  | 14 +++++++-------
 src/virt-viewer-file-transfer-dialog.c |  2 +-
 src/virt-viewer-file.c                 |  6 +++---
 src/virt-viewer-session-spice.c        |  8 ++++----
 src/virt-viewer-util.c                 |  4 ++++
 src/virt-viewer-util.h                 |  3 +++
 src/virt-viewer.c                      | 10 +++++-----
 9 files changed, 46 insertions(+), 37 deletions(-)

diff --git a/src/ovirt-foreign-menu.c b/src/ovirt-foreign-menu.c
index a51f2c9..8a2507f 100644
--- a/src/ovirt-foreign-menu.c
+++ b/src/ovirt-foreign-menu.c
@@ -367,7 +367,7 @@ static void updated_cdrom_cb(GObject *source_object,
         const char *current_file = foreign_menu->priv->current_iso_name;
 
         if (error != NULL) {
-            g_warning("failed to update cdrom resource: %s", error->message);
+            g_warning("failed to update cdrom resource: %s", VV_MSG(error->message));
             g_clear_error(&error);
         }
         g_debug("setting OvirtCdrom:file back to '%s'",
@@ -504,7 +504,7 @@ static void cdrom_file_refreshed_cb(GObject *source_object,
 
     ovirt_resource_refresh_finish(cdrom, result, &error);
     if (error != NULL) {
-        g_warning("failed to refresh cdrom content: %s", error->message);
+        g_warning("failed to refresh cdrom content: %s", VV_MSG(error->message));
         g_clear_error(&error);
         return;
     }
@@ -548,7 +548,7 @@ static void cdroms_fetched_cb(GObject *source_object,
 
     ovirt_collection_fetch_finish(cdrom_collection, result, &error);
     if (error != NULL) {
-        g_warning("failed to fetch cdrom collection: %s", error->message);
+        g_warning("failed to fetch cdrom collection: %s", VV_MSG(error->message));
         g_clear_error(&error);
         return;
     }
@@ -600,7 +600,7 @@ static void storage_domains_fetched_cb(GObject *source_object,
 
     ovirt_collection_fetch_finish(collection, result, &error);
     if (error != NULL) {
-        g_warning("failed to fetch storage domains: %s", error->message);
+        g_warning("failed to fetch storage domains: %s", VV_MSG(error->message));
         g_clear_error(&error);
         return;
     }
@@ -663,7 +663,7 @@ static void vms_fetched_cb(GObject *source_object,
     collection = OVIRT_COLLECTION(source_object);
     ovirt_collection_fetch_finish(collection, result, &error);
     if (error != NULL) {
-        g_debug("failed to fetch VM list: %s", error->message);
+        g_debug("failed to fetch VM list: %s", VV_MSG(error->message));
         g_clear_error(&error);
         return;
     }
@@ -713,7 +713,7 @@ static void api_fetched_cb(GObject *source_object,
     proxy = OVIRT_PROXY(source_object);
     menu->priv->api = ovirt_proxy_fetch_api_finish(proxy, result, &error);
     if (error != NULL) {
-        g_debug("failed to fetch toplevel API object: %s", error->message);
+        g_debug("failed to fetch toplevel API object: %s", VV_MSG(error->message));
         g_clear_error(&error);
         return;
     }
@@ -746,7 +746,7 @@ static void iso_list_fetched_cb(GObject *source_object,
     ovirt_collection_fetch_finish(collection, result, &error);
     if (error != NULL) {
         g_warning("failed to fetch files for ISO storage domain: %s",
-                   error->message);
+                  VV_MSG(error->message));
         g_clear_error(&error);
         return;
     }
diff --git a/src/remote-viewer.c b/src/remote-viewer.c
index e4b0909..e4470ae 100644
--- a/src/remote-viewer.c
+++ b/src/remote-viewer.c
@@ -278,7 +278,7 @@ spice_ctrl_do_connect(SpiceCtrlController *ctrl G_GNUC_UNUSED,
     GError *error = NULL;
 
     if (!virt_viewer_app_initial_connect(self, &error)) {
-        const gchar *msg = error ? error->message :
+        const gchar *msg = error ? VV_MSG(error->message) :
             _("Failed to initiate connection");
         virt_viewer_app_simple_message_dialog(self, msg);
         g_clear_error(&error);
@@ -591,7 +591,7 @@ spice_ctrl_listen_async_cb(GObject *object,
     if (error != NULL) {
         virt_viewer_app_simple_message_dialog(app,
                                               _("Controller connection failed: %s"),
-                                              error->message);
+                                              VV_MSG(error->message));
         g_clear_error(&error);
         exit(EXIT_FAILURE); /* TODO: make start async? */
     }
@@ -859,7 +859,7 @@ create_ovirt_session(VirtViewerApp *app, const char *uri, GError **err)
 
     api = ovirt_proxy_fetch_api(proxy, &error);
     if (error != NULL) {
-        g_debug("failed to get oVirt 'api' collection: %s", error->message);
+        g_debug("failed to get oVirt 'api' collection: %s", VV_MSG(error->message));
 #ifdef HAVE_OVIRT_CANCEL
         if (g_error_matches(error, OVIRT_REST_CALL_ERROR, OVIRT_REST_CALL_ERROR_CANCELLED)) {
             g_clear_error(&error);
@@ -873,7 +873,7 @@ create_ovirt_session(VirtViewerApp *app, const char *uri, GError **err)
     vms = ovirt_api_get_vms(api);
     ovirt_collection_fetch(vms, proxy, &error);
     if (error != NULL) {
-        g_debug("failed to fetch oVirt 'vms' collection: %s", error->message);
+        g_debug("failed to fetch oVirt 'vms' collection: %s", VV_MSG(error->message));
         goto error;
     }
     if (vm_name == NULL ||
@@ -891,13 +891,13 @@ create_ovirt_session(VirtViewerApp *app, const char *uri, GError **err)
     if (state != OVIRT_VM_STATE_UP) {
         g_set_error(&error, VIRT_VIEWER_ERROR, VIRT_VIEWER_ERROR_FAILED,
                     _("oVirt VM %s is not running"), vm_name);
-        g_debug("%s", error->message);
+        g_debug("%s", VV_MSG(error->message));
         goto error;
     }
     g_object_set(app, "guest-name", vm_name, NULL);
 
     if (!ovirt_vm_get_ticket(vm, proxy, &error)) {
-        g_debug("failed to get ticket for %s: %s", vm_name, error->message);
+        g_debug("failed to get ticket for %s: %s", vm_name, VV_MSG(error->message));
         goto error;
     }
 
@@ -931,7 +931,7 @@ create_ovirt_session(VirtViewerApp *app, const char *uri, GError **err)
     if (ghost == NULL) {
         g_set_error(&error, VIRT_VIEWER_ERROR, VIRT_VIEWER_ERROR_FAILED,
                     _("oVirt VM %s has no host information"), vm_name);
-        g_debug("%s", error->message);
+        g_debug("%s", VV_MSG(error->message));
         goto error;
     }
 
@@ -942,7 +942,7 @@ create_ovirt_session(VirtViewerApp *app, const char *uri, GError **err)
     } else {
         g_set_error(&error, VIRT_VIEWER_ERROR, VIRT_VIEWER_ERROR_FAILED,
                     _("oVirt VM %s has unknown display type: %d"), vm_name, type);
-        g_debug("%s", error->message);
+        g_debug("%s", VV_MSG(error->message));
         goto error;
     }
 
@@ -1136,7 +1136,7 @@ retry_dialog:
             g_free(path);
             if (error) {
                 g_prefix_error(&error, _("Invalid file %s: "), guri);
-                g_warning("%s", error->message);
+                g_warning("%s", VV_MSG(error->message));
                 goto cleanup;
             }
             g_object_get(G_OBJECT(vvfile), "type", &type, NULL);
@@ -1197,7 +1197,9 @@ cleanup:
 
     if (!ret && priv->open_recent_dialog) {
         if (error != NULL) {
-            virt_viewer_app_simple_message_dialog(app, _("Unable to connect: %s"), error->message);
+            virt_viewer_app_simple_message_dialog(app,
+                                                  _("Unable to connect: %s"),
+                                                  VV_MSG(error->message));
         }
         g_clear_error(&error);
         goto retry_dialog;
diff --git a/src/virt-viewer-app.c b/src/virt-viewer-app.c
index 2e7e193..34e60b8 100644
--- a/src/virt-viewer-app.c
+++ b/src/virt-viewer-app.c
@@ -256,7 +256,7 @@ virt_viewer_app_save_config(VirtViewerApp *self)
         // with the vm name so user can make sense of it later.
         gchar *comment = g_key_file_get_comment(priv->config, priv->uuid, NULL, &error);
         if (error) {
-            g_debug("Unable to get comment from key file: %s", error->message);
+            g_debug("Unable to get comment from key file: %s", VV_MSG(error->message));
             g_clear_error(&error);
         } else {
             if (!comment || *comment == '\0')
@@ -267,7 +267,7 @@ virt_viewer_app_save_config(VirtViewerApp *self)
 
     if ((data = g_key_file_to_data(priv->config, NULL, &error)) == NULL ||
         !g_file_set_contents(priv->config_file, data, -1, &error)) {
-        g_warning("Couldn't save configuration: %s", error->message);
+        g_warning("Couldn't save configuration: %s", VV_MSG(error->message));
         g_clear_error(&error);
     }
     g_free(data);
@@ -376,7 +376,7 @@ virt_viewer_app_get_monitor_mapping_for_section(VirtViewerApp *self, const gchar
     if (error) {
         if (error->code != G_KEY_FILE_ERROR_GROUP_NOT_FOUND
             && error->code != G_KEY_FILE_ERROR_KEY_NOT_FOUND)
-            g_warning("Error reading monitor assignments for %s: %s", section, error->message);
+            g_warning("Error reading monitor assignments for %s: %s", section, VV_MSG(error->message));
         g_clear_error(&error);
     } else {
         mapping = virt_viewer_parse_monitor_mappings(mappings, nmappings, get_n_client_monitors());
@@ -1240,7 +1240,7 @@ virt_viewer_app_activate(VirtViewerApp *self, GError **error)
 
     if (ret == FALSE) {
         if(error != NULL && *error != NULL)
-            virt_viewer_app_show_status(self, (*error)->message);
+            virt_viewer_app_show_status(self, VV_MSG((*error)->message));
         priv->connected = FALSE;
     } else {
         virt_viewer_app_show_status(self, _("Connecting to graphic server"));
@@ -1726,7 +1726,7 @@ virt_viewer_app_init(VirtViewerApp *self)
     if (g_error_matches(error, G_FILE_ERROR, G_FILE_ERROR_NOENT))
         g_debug("No configuration file %s", self->priv->config_file);
     else if (error)
-        g_warning("Couldn't load configuration: %s", error->message);
+        g_warning("Couldn't load configuration: %s", VV_MSG(error->message));
 
     g_clear_error(&error);
 
@@ -1829,7 +1829,7 @@ virt_viewer_app_on_application_startup(GApplication *app)
 
     if (!virt_viewer_app_start(self, &error)) {
         if (error && !g_error_matches(error, VIRT_VIEWER_ERROR, VIRT_VIEWER_ERROR_CANCELLED))
-            virt_viewer_app_simple_message_dialog(self, error->message);
+            virt_viewer_app_simple_message_dialog(self, VV_MSG(error->message));
 
         g_clear_error(&error);
         g_application_quit(app);
@@ -1865,7 +1865,7 @@ virt_viewer_app_local_command_line (GApplication   *gapp,
 
     if (!g_option_context_parse(context, &argc, args, &error)) {
         if (error != NULL) {
-            g_printerr(_("%s\n"), error->message);
+            g_printerr(_("%s\n"), VV_MSG(error->message));
             g_error_free(error);
         }
 
diff --git a/src/virt-viewer-file-transfer-dialog.c b/src/virt-viewer-file-transfer-dialog.c
index 07d25a7..80930eb 100644
--- a/src/virt-viewer-file-transfer-dialog.c
+++ b/src/virt-viewer-file-transfer-dialog.c
@@ -218,7 +218,7 @@ static void task_finished(SpiceFileTransferTask *task,
 
     if (error && !g_error_matches(error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) {
         self->priv->failed = g_slist_prepend(self->priv->failed, g_object_ref(task));
-        g_warning("File transfer task %p failed: %s", task, error->message);
+        g_warning("File transfer task %p failed: %s", task, VV_MSG(error->message));
     }
 
     self->priv->file_transfers = g_slist_remove(self->priv->file_transfers, task);
diff --git a/src/virt-viewer-file.c b/src/virt-viewer-file.c
index 9ff2a05..4a45af4 100644
--- a/src/virt-viewer-file.c
+++ b/src/virt-viewer-file.c
@@ -217,7 +217,7 @@ virt_viewer_file_get_string(VirtViewerFile* self,
 
     result = g_key_file_get_string(self->priv->keyfile, group, key, &inner_error);
     if (inner_error && inner_error->domain != G_KEY_FILE_ERROR)
-        g_critical("%s", inner_error->message);
+        g_critical("%s", VV_MSG(inner_error->message));
     g_clear_error(&inner_error);
 
     return result;
@@ -246,7 +246,7 @@ virt_viewer_file_get_string_list(VirtViewerFile* self, const char *group,
 
     result = g_key_file_get_string_list(self->priv->keyfile, group, key, length, &inner_error);
     if (inner_error && inner_error->domain != G_KEY_FILE_ERROR)
-        g_critical("%s", inner_error->message);
+        g_critical("%s", VV_MSG(inner_error->message));
     g_clear_error(&inner_error);
 
     return result;
@@ -275,7 +275,7 @@ virt_viewer_file_get_int(VirtViewerFile* self,
 
     result = g_key_file_get_integer(self->priv->keyfile, group, key, &inner_error);
     if (inner_error && inner_error->domain != G_KEY_FILE_ERROR)
-        g_critical("%s", inner_error->message);
+        g_critical("%s", VV_MSG(inner_error->message));
     g_clear_error(&inner_error);
 
     return result;
diff --git a/src/virt-viewer-session-spice.c b/src/virt-viewer-session-spice.c
index c3fce48..e4d0e32 100644
--- a/src/virt-viewer-session-spice.c
+++ b/src/virt-viewer-session-spice.c
@@ -297,7 +297,7 @@ usb_connect_failed(GObject *object G_GNUC_UNUSED,
     if (g_error_matches(error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
         return;
 
-    g_signal_emit_by_name(self, "session-usb-failed", error->message);
+    g_signal_emit_by_name(self, "session-usb-failed", VV_MSG(error->message));
 }
 
 static void virt_viewer_session_spice_set_has_sw_reader(VirtViewerSessionSpice *session,
@@ -702,7 +702,7 @@ virt_viewer_session_spice_main_channel_event(SpiceChannel *channel,
 
         if (self->priv->pass_try > 0)
             g_signal_emit_by_name(session, "session-auth-refused",
-                                  error != NULL ? error->message : _("Invalid password"));
+                                  error != NULL ? VV_MSG(error->message) : _("Invalid password"));
         self->priv->pass_try++;
 
         /* The username is firstly pre-filled with the username of the current
@@ -742,7 +742,7 @@ virt_viewer_session_spice_main_channel_event(SpiceChannel *channel,
     {
         const GError *error = spice_channel_get_error(channel);
 
-        g_debug("main channel: failed to connect %s", error ? error->message : "");
+        g_debug("main channel: failed to connect %s", error ? VV_MSG(error->message) : "");
 
         if (g_error_matches(error, G_IO_ERROR, G_IO_ERROR_PROXY_NEED_AUTH) ||
             g_error_matches(error, G_IO_ERROR, G_IO_ERROR_PROXY_AUTH_FAILED)) {
@@ -1128,7 +1128,7 @@ virt_viewer_session_spice_channel_destroy(G_GNUC_UNUSED SpiceSession *s,
 
     self->priv->channel_count--;
     if (self->priv->channel_count == 0)
-        g_signal_emit_by_name(self, "session-disconnected", error ? error->message : NULL);
+        g_signal_emit_by_name(self, "session-disconnected", error ? VV_MSG(error->message) : NULL);
 }
 
 VirtViewerSession *
diff --git a/src/virt-viewer-util.c b/src/virt-viewer-util.c
index 0491f73..e49b25f 100644
--- a/src/virt-viewer-util.c
+++ b/src/virt-viewer-util.c
@@ -41,6 +41,8 @@
 
 #include "virt-viewer-util.h"
 
+const char *virt_viewer_default_error = "Unknown virt-viewer error"; // Localized during init
+
 GQuark
 virt_viewer_error_quark(void)
 {
@@ -265,6 +267,8 @@ static BOOL is_handle_valid(HANDLE h)
 
 void virt_viewer_util_init(const char *appname)
 {
+    virt_viewer_default_error = _(virt_viewer_default_error);
+    
 #ifdef G_OS_WIN32
     /*
      * This named mutex will be kept around by Windows until the
diff --git a/src/virt-viewer-util.h b/src/virt-viewer-util.h
index 5515f66..6abfd1c 100644
--- a/src/virt-viewer-util.h
+++ b/src/virt-viewer-util.h
@@ -36,6 +36,9 @@ enum {
 #define VIRT_VIEWER_ERROR virt_viewer_error_quark ()
 #define VIRT_VIEWER_RESOURCE_PREFIX "/org/virt-manager/virt-viewer"
 
+extern const char *virt_viewer_default_error;
+#define VV_MSG(msg) ((msg) ? (msg) : virt_viewer_default_error)
+
 GQuark virt_viewer_error_quark(void);
 
 void virt_viewer_util_init(const char *appname);
diff --git a/src/virt-viewer.c b/src/virt-viewer.c
index 1121146..320f803 100644
--- a/src/virt-viewer.c
+++ b/src/virt-viewer.c
@@ -630,7 +630,7 @@ virt_viewer_open_connection(VirtViewerApp *self G_GNUC_UNUSED, int *fd)
 
     err = virGetLastError();
     if (err && err->code != VIR_ERR_NO_SUPPORT) {
-        g_debug("Error %s", err->message ? err->message : "Unknown");
+        g_debug("Error %s", VV_MSG(err->message) ? err->message : "Unknown");
         return TRUE;
     }
 #endif
@@ -642,7 +642,7 @@ virt_viewer_open_connection(VirtViewerApp *self G_GNUC_UNUSED, int *fd)
     if (virDomainOpenGraphics(priv->dom, 0, pair[0],
                               VIR_DOMAIN_OPEN_GRAPHICS_SKIPAUTH) < 0) {
         err = virGetLastError();
-        g_debug("Error %s", err && err->message ? err->message : "Unknown");
+        g_debug("Error %s", err && VV_MSG(err->message) ? err->message : "Unknown");
         close(pair[0]);
         close(pair[1]);
         return TRUE;
@@ -680,7 +680,7 @@ virt_viewer_domain_event(virConnectPtr conn G_GNUC_UNUSED,
     case VIR_DOMAIN_EVENT_STARTED:
         virt_viewer_update_display(self, dom, &error);
         if (error) {
-            virt_viewer_app_simple_message_dialog(app, error->message);
+            virt_viewer_app_simple_message_dialog(app, VV_MSG(error->message));
             g_clear_error(&error);
         }
 
@@ -688,7 +688,7 @@ virt_viewer_domain_event(virConnectPtr conn G_GNUC_UNUSED,
         if (error) {
             /* we may want to consolidate error reporting in
                app_activate() instead */
-            g_warning("%s", error->message);
+            g_warning("%s", VV_MSG(error->message));
             g_clear_error(&error);
         }
         break;
@@ -778,7 +778,7 @@ choose_vm(GtkWindow *main_window,
         virErrorPtr err = virGetLastError();
         g_set_error_literal(error,
                             VIRT_VIEWER_ERROR, VIRT_VIEWER_ERROR_FAILED,
-                            err && err->message ? err->message : "unknown libvirt error");
+                            err && err->message ? err->message : _("Unknown libvirt error"));
     } else if (virDomainGetState(dom, &i, NULL, 0) < 0 || i != VIR_DOMAIN_RUNNING) {
         g_set_error(error,
                     VIRT_VIEWER_ERROR, VIRT_VIEWER_ERROR_FAILED,
-- 
2.9.3





More information about the virt-tools-list mailing list