--- /dev/null
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2016 SUSE LINUX GmbH
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation. See file COPYING.
+ *
+ */
+
+#include "test/rbd_mirror/test_mock_fixture.h"
+#include "test/librbd/mock/MockImageCtx.h"
+
+namespace librbd {
+
+namespace {
+
+struct MockTestImageCtx : public librbd::MockImageCtx {
+ MockTestImageCtx(librbd::ImageCtx &image_ctx)
+ : librbd::MockImageCtx(image_ctx) {
+ }
+};
+
+} // anonymous namespace
+
+} // namespace librbd
+
+// template definitions
+#include "tools/rbd_mirror/ImageSyncThrottler.cc"
+
+namespace rbd {
+namespace mirror {
+
+class TestMockImageSyncThrottler : public TestMockFixture {
+public:
+ typedef ImageSyncThrottler<librbd::MockTestImageCtx> MockImageSyncThrottler;
+
+};
+
+TEST_F(TestMockImageSyncThrottler, Single_Sync) {
+ MockImageSyncThrottler throttler;
+ C_SaferCond on_start;
+ throttler.start_op("id", &on_start);
+ ASSERT_EQ(0, on_start.wait());
+ throttler.finish_op("id");
+}
+
+TEST_F(TestMockImageSyncThrottler, Multiple_Syncs) {
+ MockImageSyncThrottler throttler;
+ throttler.set_max_concurrent_syncs(2);
+
+ C_SaferCond on_start1;
+ throttler.start_op("id1", &on_start1);
+ C_SaferCond on_start2;
+ throttler.start_op("id2", &on_start2);
+ C_SaferCond on_start3;
+ throttler.start_op("id3", &on_start3);
+ C_SaferCond on_start4;
+ throttler.start_op("id4", &on_start4);
+
+ ASSERT_EQ(0, on_start2.wait());
+ throttler.finish_op("id2");
+ ASSERT_EQ(0, on_start3.wait());
+ throttler.finish_op("id3");
+ ASSERT_EQ(0, on_start1.wait());
+ throttler.finish_op("id1");
+ ASSERT_EQ(0, on_start4.wait());
+ throttler.finish_op("id4");
+}
+
+TEST_F(TestMockImageSyncThrottler, Cancel_Running_Sync) {
+ MockImageSyncThrottler throttler;
+ C_SaferCond on_start;
+ throttler.start_op("id", &on_start);
+ ASSERT_EQ(0, on_start.wait());
+ ASSERT_FALSE(throttler.cancel_op("id"));
+ throttler.finish_op("id");
+}
+
+TEST_F(TestMockImageSyncThrottler, Cancel_Waiting_Sync) {
+ MockImageSyncThrottler throttler;
+ throttler.set_max_concurrent_syncs(1);
+
+ C_SaferCond on_start1;
+ throttler.start_op("id1", &on_start1);
+ C_SaferCond on_start2;
+ throttler.start_op("id2", &on_start2);
+
+ ASSERT_EQ(0, on_start1.wait());
+ ASSERT_TRUE(throttler.cancel_op("id2"));
+ ASSERT_EQ(-ECANCELED, on_start2.wait());
+ throttler.finish_op("id1");
+}
+
+
+TEST_F(TestMockImageSyncThrottler, Cancel_Running_Sync_Start_Waiting) {
+ MockImageSyncThrottler throttler;
+ throttler.set_max_concurrent_syncs(1);
+
+ C_SaferCond on_start1;
+ throttler.start_op("id1", &on_start1);
+ C_SaferCond on_start2;
+ throttler.start_op("id2", &on_start2);
+
+ ASSERT_EQ(0, on_start1.wait());
+ ASSERT_FALSE(throttler.cancel_op("id1"));
+ throttler.finish_op("id1");
+ ASSERT_EQ(0, on_start2.wait());
+ throttler.finish_op("id2");
+}
+
+TEST_F(TestMockImageSyncThrottler, Increase_Max_Concurrent_Syncs) {
+ MockImageSyncThrottler throttler;
+ throttler.set_max_concurrent_syncs(2);
+
+ C_SaferCond on_start1;
+ throttler.start_op("id1", &on_start1);
+ C_SaferCond on_start2;
+ throttler.start_op("id2", &on_start2);
+ C_SaferCond on_start3;
+ throttler.start_op("id3", &on_start3);
+ C_SaferCond on_start4;
+ throttler.start_op("id4", &on_start4);
+ C_SaferCond on_start5;
+ throttler.start_op("id5", &on_start5);
+
+ ASSERT_EQ(0, on_start1.wait());
+ ASSERT_EQ(0, on_start2.wait());
+
+ throttler.set_max_concurrent_syncs(4);
+
+ ASSERT_EQ(0, on_start3.wait());
+ ASSERT_EQ(0, on_start4.wait());
+
+ throttler.finish_op("id4");
+ ASSERT_EQ(0, on_start5.wait());
+
+ throttler.finish_op("id1");
+ throttler.finish_op("id2");
+ throttler.finish_op("id3");
+ throttler.finish_op("id5");
+}
+
+TEST_F(TestMockImageSyncThrottler, Decrease_Max_Concurrent_Syncs) {
+ MockImageSyncThrottler throttler;
+ throttler.set_max_concurrent_syncs(4);
+
+ C_SaferCond on_start1;
+ throttler.start_op("id1", &on_start1);
+ C_SaferCond on_start2;
+ throttler.start_op("id2", &on_start2);
+ C_SaferCond on_start3;
+ throttler.start_op("id3", &on_start3);
+ C_SaferCond on_start4;
+ throttler.start_op("id4", &on_start4);
+ C_SaferCond on_start5;
+ throttler.start_op("id5", &on_start5);
+
+ ASSERT_EQ(0, on_start1.wait());
+ ASSERT_EQ(0, on_start2.wait());
+ ASSERT_EQ(0, on_start3.wait());
+ ASSERT_EQ(0, on_start4.wait());
+
+ throttler.set_max_concurrent_syncs(2);
+
+ throttler.finish_op("id1");
+ throttler.finish_op("id2");
+ throttler.finish_op("id3");
+
+ ASSERT_EQ(0, on_start5.wait());
+
+ throttler.finish_op("id4");
+ throttler.finish_op("id5");
+}
+
+} // namespace mirror
+} // namespace rbd
+