[libvirt] [libvirt-glib PATCHv4 3/7] gobject: Port GVirConnection to GTask

Wednesday, 1 July 2015

GSimpleAsyncResult has been deprecated in favour of GTask and with
latest glib headers, we get tons of warnings about use of deprecated
API. This patch ports the GVirConnection class to GTask.
---
 libvirt-gobject/libvirt-gobject-connection.c | 246 ++++++++++++---------------
 1 file changed, 110 insertions(+), 136 deletions(-)

diff --git a/libvirt-gobject/libvirt-gobject-connection.c
b/libvirt-gobject/libvirt-gobject-connection.c
index dddbd3a..f7a6066 100644
--- a/libvirt-gobject/libvirt-gobject-connection.c
+++ b/libvirt-gobject/libvirt-gobject-connection.c
@@ -497,17 +497,18 @@ gboolean gvir_connection_open_read_only(GVirConnection *conn,
 }
 
 static void
-gvir_connection_open_helper(GSimpleAsyncResult *res,
-                            GObject *object,
+gvir_connection_open_helper(GTask *res,
+                            gpointer object,
+                            gpointer task_data G_GNUC_UNUSED,
                             GCancellable *cancellable)
 {
     GVirConnection *conn = GVIR_CONNECTION(object);
     GError *err = NULL;
 
-    if (!gvir_connection_open(conn, cancellable, &err)) {
-        g_simple_async_result_set_from_error(res, err);
-        g_error_free(err);
-    }
+    if (!gvir_connection_open(conn, cancellable, &err))
+        g_task_return_error(res, err);
+    else
+        g_task_return_boolean(res, TRUE);
 }
 
 
@@ -523,19 +524,19 @@ void gvir_connection_open_async(GVirConnection *conn,
                                 GAsyncReadyCallback callback,
                                 gpointer user_data)
 {
-    GSimpleAsyncResult *res;
+    GTask *res;
 
     g_return_if_fail(GVIR_IS_CONNECTION(conn));
     g_return_if_fail((cancellable == NULL) || G_IS_CANCELLABLE(cancellable));
 
-    res = g_simple_async_result_new(G_OBJECT(conn),
-                                    callback,
-                                    user_data,
-                                    gvir_connection_open_async);
-    g_simple_async_result_run_in_thread(res,
-                                        gvir_connection_open_helper,
-                                        G_PRIORITY_DEFAULT,
-                                        cancellable);
+    res = g_task_new(G_OBJECT(conn),
+                     cancellable,
+                     callback,
+                     user_data);
+    g_task_set_source_tag(res,
+                          gvir_connection_open_async);
+    g_task_run_in_thread(res,
+                         gvir_connection_open_helper);
     g_object_unref(res);
 }
 
@@ -550,28 +551,25 @@ gboolean gvir_connection_open_finish(GVirConnection *conn,
                                      GError **err)
 {
     g_return_val_if_fail(GVIR_IS_CONNECTION(conn), FALSE);
-    g_return_val_if_fail(g_simple_async_result_is_valid(result, G_OBJECT(conn),
-                                                        gvir_connection_open_async),
+    g_return_val_if_fail(g_task_is_valid(result, G_OBJECT(conn)),
                          FALSE);
 
-    if (g_simple_async_result_propagate_error(G_SIMPLE_ASYNC_RESULT(result), err))
-        return FALSE;
-
-    return TRUE;
+    return g_task_propagate_boolean(G_TASK(result), err);
 }
 
 static void
-gvir_connection_open_read_only_helper(GSimpleAsyncResult *res,
-                            GObject *object,
-                            GCancellable *cancellable)
+gvir_connection_open_read_only_helper(GTask *res,
+                                      gpointer object,
+                                      gpointer task_data G_GNUC_UNUSED,
+                                      GCancellable *cancellable)
 {
     GVirConnection *conn = GVIR_CONNECTION(object);
     GError *err = NULL;
 
-    if (!gvir_connection_open_read_only(conn, cancellable, &err)) {
-        g_simple_async_result_set_from_error(res, err);
-        g_error_free(err);
-    }
+    if (!gvir_connection_open_read_only(conn, cancellable, &err))
+        g_task_return_error(res, err);
+    else
+        g_task_return_boolean(res, TRUE);
 }
 
 
@@ -587,19 +585,19 @@ void gvir_connection_open_read_only_async(GVirConnection *conn,
                                 GAsyncReadyCallback callback,
                                 gpointer user_data)
 {
-    GSimpleAsyncResult *res;
+    GTask *res;
 
     g_return_if_fail(GVIR_IS_CONNECTION(conn));
     g_return_if_fail((cancellable == NULL) || G_IS_CANCELLABLE(cancellable));
 
-    res = g_simple_async_result_new(G_OBJECT(conn),
-                                    callback,
-                                    user_data,
-                                    gvir_connection_open_read_only_async);
-    g_simple_async_result_run_in_thread(res,
-                                        gvir_connection_open_read_only_helper,
-                                        G_PRIORITY_DEFAULT,
-                                        cancellable);
+    res = g_task_new(G_OBJECT(conn),
+                     cancellable,
+                     callback,
+                     user_data);
+    g_task_set_source_tag(res,
+                          gvir_connection_open_read_only_async);
+    g_task_run_in_thread(res,
+                         gvir_connection_open_read_only_helper);
     g_object_unref(res);
 }
 
@@ -614,14 +612,10 @@ gboolean gvir_connection_open_read_only_finish(GVirConnection
*conn,
                                                GError **err)
 {
     g_return_val_if_fail(GVIR_IS_CONNECTION(conn), FALSE);
-    g_return_val_if_fail(g_simple_async_result_is_valid(result, G_OBJECT(conn),
-                                                       
gvir_connection_open_read_only_async),
+    g_return_val_if_fail(g_task_is_valid(result, G_OBJECT(conn)),
                          FALSE);
 
-    if (g_simple_async_result_propagate_error(G_SIMPLE_ASYNC_RESULT(result), err))
-        return FALSE;
-
-    return TRUE;
+    return g_task_propagate_boolean(G_TASK(result), err);
 }
 
 gboolean gvir_connection_is_open(GVirConnection *conn)
@@ -852,17 +846,18 @@ cleanup:
 }
 
 static void
-gvir_connection_fetch_domains_helper(GSimpleAsyncResult *res,
-                                     GObject *object,
+gvir_connection_fetch_domains_helper(GTask *res,
+                                     gpointer object,
+                                     gpointer task_data G_GNUC_UNUSED,
                                      GCancellable *cancellable)
 {
     GVirConnection *conn = GVIR_CONNECTION(object);
     GError *err = NULL;
 
-    if (!gvir_connection_fetch_domains(conn, cancellable, &err)) {
-        g_simple_async_result_set_from_error(res, err);
-        g_error_free(err);
-    }
+    if (!gvir_connection_fetch_domains(conn, cancellable, &err))
+        g_task_return_error(res, err);
+    else
+        g_task_return_boolean(res, TRUE);
 }
 
 
@@ -878,19 +873,19 @@ void gvir_connection_fetch_domains_async(GVirConnection *conn,
                                          GAsyncReadyCallback callback,
                                          gpointer user_data)
 {
-    GSimpleAsyncResult *res;
+    GTask *res;
 
     g_return_if_fail(GVIR_IS_CONNECTION(conn));
     g_return_if_fail((cancellable == NULL) || G_IS_CANCELLABLE(cancellable));
 
-    res = g_simple_async_result_new(G_OBJECT(conn),
-                                    callback,
-                                    user_data,
-                                    gvir_connection_fetch_domains_async);
-    g_simple_async_result_run_in_thread(res,
-                                        gvir_connection_fetch_domains_helper,
-                                        G_PRIORITY_DEFAULT,
-                                        cancellable);
+    res = g_task_new(G_OBJECT(conn),
+                     cancellable,
+                     callback,
+                     user_data);
+    g_task_set_source_tag(res,
+                          gvir_connection_fetch_domains_async);
+    g_task_run_in_thread(res,
+                         gvir_connection_fetch_domains_helper);
     g_object_unref(res);
 }
 
@@ -904,28 +899,25 @@ gboolean gvir_connection_fetch_domains_finish(GVirConnection *conn,
                                               GError **err)
 {
     g_return_val_if_fail(GVIR_IS_CONNECTION(conn), FALSE);
-    g_return_val_if_fail(g_simple_async_result_is_valid(result, G_OBJECT(conn),
-                                                       
gvir_connection_fetch_domains_async),
+    g_return_val_if_fail(g_task_is_valid(result, G_OBJECT(conn)),
                          FALSE);
 
-    if (g_simple_async_result_propagate_error(G_SIMPLE_ASYNC_RESULT(result), err))
-        return FALSE;
-
-    return TRUE;
+    return g_task_propagate_boolean(G_TASK(result), err);
 }
 
 static void
-gvir_connection_fetch_pools_helper(GSimpleAsyncResult *res,
-                                   GObject *object,
+gvir_connection_fetch_pools_helper(GTask *res,
+                                   gpointer object,
+                                   gpointer task_data G_GNUC_UNUSED,
                                    GCancellable *cancellable)
 {
     GVirConnection *conn = GVIR_CONNECTION(object);
     GError *err = NULL;
 
-    if (!gvir_connection_fetch_storage_pools(conn, cancellable, &err)) {
-        g_simple_async_result_set_from_error(res, err);
-        g_error_free(err);
-    }
+    if (!gvir_connection_fetch_storage_pools(conn, cancellable, &err))
+        g_task_return_error(res, err);
+    else
+        g_task_return_boolean(res, TRUE);
 }
 
 /**
@@ -940,19 +932,19 @@ void gvir_connection_fetch_storage_pools_async(GVirConnection
*conn,
                                                GAsyncReadyCallback callback,
                                                gpointer user_data)
 {
-    GSimpleAsyncResult *res;
+    GTask *res;
 
     g_return_if_fail(GVIR_IS_CONNECTION(conn));
     g_return_if_fail((cancellable == NULL) || G_IS_CANCELLABLE(cancellable));
 
-    res = g_simple_async_result_new(G_OBJECT(conn),
-                                    callback,
-                                    user_data,
-                                    gvir_connection_fetch_storage_pools_async);
-    g_simple_async_result_run_in_thread(res,
-                                        gvir_connection_fetch_pools_helper,
-                                        G_PRIORITY_DEFAULT,
-                                        cancellable);
+    res = g_task_new(G_OBJECT(conn),
+                     cancellable,
+                     callback,
+                     user_data);
+    g_task_set_source_tag(res,
+                          gvir_connection_fetch_storage_pools_async);
+    g_task_run_in_thread(res,
+                         gvir_connection_fetch_pools_helper);
     g_object_unref(res);
 }
 
@@ -966,14 +958,10 @@ gboolean gvir_connection_fetch_storage_pools_finish(GVirConnection
*conn,
                                                     GError **err)
 {
     g_return_val_if_fail(GVIR_IS_CONNECTION(conn), FALSE);
-    g_return_val_if_fail(g_simple_async_result_is_valid(result, G_OBJECT(conn),
-                                                       
gvir_connection_fetch_storage_pools_async),
+    g_return_val_if_fail(g_task_is_valid(result, G_OBJECT(conn)),
                          FALSE);
 
-    if (g_simple_async_result_propagate_error(G_SIMPLE_ASYNC_RESULT(result), err))
-        return FALSE;
-
-    return TRUE;
+    return g_task_propagate_boolean(G_TASK(result), err);
 }
 
 const gchar *gvir_connection_get_uri(GVirConnection *conn)
@@ -1568,8 +1556,9 @@ GVirConfigCapabilities
*gvir_connection_get_capabilities(GVirConnection *conn,
 }
 
 static void
-gvir_connection_get_capabilities_helper(GSimpleAsyncResult *res,
-                                        GObject *object,
+gvir_connection_get_capabilities_helper(GTask *res,
+                                        gpointer object,
+                                        gpointer task_data G_GNUC_UNUSED,
                                         GCancellable *cancellable G_GNUC_UNUSED)
 {
     GVirConnection *conn = GVIR_CONNECTION(object);
@@ -1578,12 +1567,12 @@ gvir_connection_get_capabilities_helper(GSimpleAsyncResult *res,
 
     caps = gvir_connection_get_capabilities(conn, &err);
     if (caps == NULL) {
-        g_simple_async_result_take_error(res, err);
+        g_task_return_error(res, err);
 
         return;
     }
 
-    g_simple_async_result_set_op_res_gpointer(res, caps, g_object_unref);
+    g_task_return_pointer(res, caps, g_object_unref);
 }
 
 /**
@@ -1598,19 +1587,19 @@ void gvir_connection_get_capabilities_async(GVirConnection *conn,
                                             GAsyncReadyCallback callback,
                                             gpointer user_data)
 {
-    GSimpleAsyncResult *res;
+    GTask *res;
 
     g_return_if_fail(GVIR_IS_CONNECTION(conn));
     g_return_if_fail((cancellable == NULL) || G_IS_CANCELLABLE(cancellable));
 
-    res = g_simple_async_result_new(G_OBJECT(conn),
-                                    callback,
-                                    user_data,
-                                    gvir_connection_get_capabilities_async);
-    g_simple_async_result_run_in_thread(res,
-                                        gvir_connection_get_capabilities_helper,
-                                        G_PRIORITY_DEFAULT,
-                                        cancellable);
+    res = g_task_new(G_OBJECT(conn),
+                     cancellable,
+                     callback,
+                     user_data);
+    g_task_set_source_tag(res,
+                          gvir_connection_get_capabilities_async);
+    g_task_run_in_thread(res,
+                         gvir_connection_get_capabilities_helper);
     g_object_unref(res);
 }
 
@@ -1628,19 +1617,11 @@ gvir_connection_get_capabilities_finish(GVirConnection *conn,
                                         GAsyncResult *result,
                                         GError **err)
 {
-    GVirConfigCapabilities *caps;
-
     g_return_val_if_fail(GVIR_IS_CONNECTION(conn), NULL);
-    g_return_val_if_fail(g_simple_async_result_is_valid(result, G_OBJECT(conn),
-                                                       
gvir_connection_get_capabilities_async),
+    g_return_val_if_fail(g_task_is_valid(result, G_OBJECT(conn)),
                          NULL);
 
-    if (g_simple_async_result_propagate_error(G_SIMPLE_ASYNC_RESULT(result), err))
-        return NULL;
-
-    caps = g_simple_async_result_get_op_res_gpointer(G_SIMPLE_ASYNC_RESULT(result));
-
-    return g_object_ref(caps);
+    return g_task_propagate_pointer(G_TASK(result), err);
 }
 
 /**
@@ -1708,22 +1689,25 @@ static void
restore_domain_from_file_data_free(RestoreDomainFromFileData *data)
 
 static void
 gvir_connection_restore_domain_from_file_helper
-                               (GSimpleAsyncResult *res,
-                                GObject *object,
+                               (GTask *res,
+                                gpointer object,
+                                gpointer task_data,
                                 GCancellable *cancellable G_GNUC_UNUSED)
 {
     GVirConnection *conn = GVIR_CONNECTION(object);
     RestoreDomainFromFileData *data;
     GError *err = NULL;
 
-    data = g_simple_async_result_get_op_res_gpointer(res);
+    data = (RestoreDomainFromFileData *)task_data;
 
     if (!gvir_connection_restore_domain_from_file(conn,
                                                   data->filename,
                                                   data->custom_conf,
                                                   data->flags,
                                                   &err))
-       g_simple_async_result_take_error(res, err);
+       g_task_return_error(res, err);
+    else
+        g_task_return_boolean(res, TRUE);
 }
 
 /**
@@ -1747,7 +1731,7 @@ gvir_connection_restore_domain_from_file_async(GVirConnection
*conn,
                                                GAsyncReadyCallback callback,
                                                gpointer user_data)
 {
-    GSimpleAsyncResult *res;
+    GTask *res;
     RestoreDomainFromFileData *data;
 
     g_return_if_fail(GVIR_IS_CONNECTION(conn));
@@ -1760,21 +1744,18 @@ gvir_connection_restore_domain_from_file_async(GVirConnection
*conn,
         data->custom_conf = g_object_ref(custom_conf);
     data->flags = flags;
 
-    res = g_simple_async_result_new
-                         (G_OBJECT(conn),
-                          callback,
-                          user_data,
+    res = g_task_new (G_OBJECT(conn),
+                      cancellable,
+                      callback,
+                      user_data);
+    g_task_set_source_tag(res,
                           gvir_connection_restore_domain_from_file_async);
-    g_simple_async_result_set_op_res_gpointer
-                          (res,
-                           data,
-                           (GDestroyNotify)restore_domain_from_file_data_free);
+    g_task_set_task_data(res,
+                         data,
+                         (GDestroyNotify)restore_domain_from_file_data_free);
 
-    g_simple_async_result_run_in_thread
-                          (res,
-                           gvir_connection_restore_domain_from_file_helper,
-                           G_PRIORITY_DEFAULT,
-                           cancellable);
+    g_task_run_in_thread(res,
+                         gvir_connection_restore_domain_from_file_helper);
 
     g_object_unref(res);
 }
@@ -1795,15 +1776,8 @@ gvir_connection_restore_domain_from_file_finish(GVirConnection
*conn,
                                                 GError **err)
 {
     g_return_val_if_fail(GVIR_IS_CONNECTION(conn), FALSE);
-    g_return_val_if_fail(g_simple_async_result_is_valid
-                           (result,
-                            G_OBJECT(conn),
-                            gvir_connection_restore_domain_from_file_async),
-                            FALSE);
-
-     if (g_simple_async_result_propagate_error(G_SIMPLE_ASYNC_RESULT(result),
-                                               err))
-         return FALSE;
+    g_return_val_if_fail(g_task_is_valid(result, G_OBJECT(conn)),
+                         FALSE);
 
-    return TRUE;
+    return g_task_propagate_boolean(G_TASK(result), err);
 }
-- 
2.4.3


    

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[libvirt] [libvirt-glib PATCHv4 3/7] gobject: Port GVirConnection to GTask