libnm-core: add NM_SETTING_COMPARE_FLAG_IGNORE_TIMESTAMP flag

for ignoring timestamp when comparing settings or connections.

libnm-core/nm-setting-connection.c

@@ -1014,6 +1014,11 @@ compare_property (NMSetting *setting,
 	    && g_strcmp0 (prop_spec->name, NM_SETTING_CONNECTION_ID) == 0)
 		return TRUE;
 
+	/* Handle ignore timestamp */
+	if (   (flags & NM_SETTING_COMPARE_FLAG_IGNORE_TIMESTAMP)
+	    && g_strcmp0 (prop_spec->name, NM_SETTING_CONNECTION_TIMESTAMP) == 0)
+		return TRUE;
+
 	/* Otherwise chain up to parent to handle generic compare */
 	return NM_SETTING_CLASS (nm_setting_connection_parent_class)->compare_property (setting, other, prop_spec, flags);
 }

libnm-core/nm-setting.c

@@ -1083,6 +1083,11 @@ should_compare_prop (NMSetting *setting,
 	    && !strcmp (prop_name, NM_SETTING_CONNECTION_ID))
 		return FALSE;
 
+	if (   (comp_flags & NM_SETTING_COMPARE_FLAG_IGNORE_TIMESTAMP)
+	    && NM_IS_SETTING_CONNECTION (setting)
+	    && !strcmp (prop_name, NM_SETTING_CONNECTION_TIMESTAMP))
+		return FALSE;
+
 	return TRUE;
 }
 

libnm-core/nm-setting.h

@@ -110,6 +110,7 @@ typedef enum { /*< flags >*/
  *   on whether the setting 'b' was available. If @NM_SETTING_COMPARE_FLAG_DIFF_RESULT_WITH_DEFAULT
  *   is set, nm_setting_diff() will also set the flags @NM_SETTING_DIFF_RESULT_IN_A_DEFAULT
  *   and @NM_SETTING_DIFF_RESULT_IN_B_DEFAULT, if the values are default values.
+ * @NM_SETTING_COMPARE_FLAG_IGNORE_TIMESTAMP: ignore the connection's timestamp
  *
  * These flags modify the comparison behavior when comparing two settings or
  * two connections.
@@ -124,6 +125,7 @@ typedef enum {
 	NM_SETTING_COMPARE_FLAG_IGNORE_NOT_SAVED_SECRETS = 0x00000010,
 	NM_SETTING_COMPARE_FLAG_DIFF_RESULT_WITH_DEFAULT = 0x00000020,
 	NM_SETTING_COMPARE_FLAG_DIFF_RESULT_NO_DEFAULT = 0x00000040,
+	NM_SETTING_COMPARE_FLAG_IGNORE_TIMESTAMP = 0x00000080,
 
 	/* 0x80000000 is used for a private flag */
 } NMSettingCompareFlags;

libnm-core/tests/test-general.c

@@ -2248,6 +2248,31 @@ test_setting_compare_id (void)
 	g_assert (success);
 }
 
+static void
+test_setting_compare_timestamp (void)
+{
+	NMSetting *old, *new;
+	gboolean success;
+
+	old = nm_setting_connection_new ();
+	g_object_set (old,
+	              NM_SETTING_CONNECTION_ID, "ignore timestamp connection",
+	              NM_SETTING_CONNECTION_UUID, "b047a198-0e0a-4f0e-a653-eea09bb35e40",
+	              NM_SETTING_CONNECTION_AUTOCONNECT, FALSE,
+	              NM_SETTING_CONNECTION_TIMESTAMP, 1234567890,
+	              NULL);
+
+	new = nm_setting_duplicate (old);
+	g_object_set (new, NM_SETTING_CONNECTION_TIMESTAMP, 1416316539, NULL);
+
+	/* First make sure they are different */
+	success = nm_setting_compare (old, new, NM_SETTING_COMPARE_FLAG_EXACT);
+	g_assert (success == FALSE);
+
+	success = nm_setting_compare (old, new, NM_SETTING_COMPARE_FLAG_IGNORE_TIMESTAMP);
+	g_assert (success);
+}
+
 typedef struct {
 	NMSettingSecretFlags secret_flags;
 	NMSettingCompareFlags comp_flags;
@@ -3739,6 +3764,7 @@ int main (int argc, char **argv)
 	g_test_add_func ("/core/general/test_setting_to_dbus_transform", test_setting_to_dbus_transform);
 	g_test_add_func ("/core/general/test_setting_to_dbus_enum", test_setting_to_dbus_enum);
 	g_test_add_func ("/core/general/test_setting_compare_id", test_setting_compare_id);
+	g_test_add_func ("/core/general/test_setting_compare_timestamp", test_setting_compare_timestamp);
 #define ADD_FUNC(func, secret_flags, comp_flags, remove_secret) \
 	g_test_add_data_func_full ("/core/general/" G_STRINGIFY (func), \
 	                           test_data_compare_secrets_new (secret_flags, comp_flags, remove_secret), \