--- /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 "librbd/journal/TypeTraits.h"
+#include "test/journal/mock/MockJournaler.h"
+#include "test/librbd/mock/MockImageCtx.h"
+#include "librbd/ImageState.h"
+#include "tools/rbd_mirror/Threads.h"
+#include "tools/rbd_mirror/ImageSync.h"
+
+namespace librbd {
+namespace journal {
+
+template <>
+struct TypeTraits<librbd::MockImageCtx> {
+ typedef ::journal::MockJournaler Journaler;
+};
+
+} // namespace journal
+} // namespace librbd
+
+namespace rbd {
+namespace mirror {
+
+using ::testing::Invoke;
+
+typedef ImageSync<librbd::MockImageCtx> MockImageSync;
+
+template<>
+class ImageSync<librbd::MockImageCtx> {
+public:
+ static std::vector<MockImageSync *> instances;
+
+ Context *on_finish;
+ bool syncing = false;
+
+ static ImageSync* create(librbd::MockImageCtx *local_image_ctx,
+ librbd::MockImageCtx *remote_image_ctx,
+ SafeTimer *timer, Mutex *timer_lock,
+ const std::string &mirror_uuid,
+ journal::MockJournaler *journaler,
+ librbd::journal::MirrorPeerClientMeta *client_meta,
+ ContextWQ *work_queue, Context *on_finish,
+ ProgressContext *progress_ctx = nullptr) {
+ ImageSync *sync = new ImageSync();
+ sync->on_finish = on_finish;
+
+ EXPECT_CALL(*sync, send())
+ .WillRepeatedly(Invoke([sync]() {
+ sync->syncing = true;
+ }));
+
+ return sync;
+ }
+
+ void finish(int r) {
+ on_finish->complete(r);
+ put();
+ }
+
+ void get() {
+ instances.push_back(this);
+ }
+
+ void put() { delete this; }
+
+ MOCK_METHOD0(cancel, void());
+ MOCK_METHOD0(send, void());
+
+};
+
+
+std::vector<MockImageSync *> MockImageSync::instances;
+
+} // namespace mirror
+} // namespace rbd
+
+
+// template definitions
+#include "tools/rbd_mirror/ImageSyncThrottler.cc"
+template class rbd::mirror::ImageSyncThrottler<librbd::MockImageCtx>;
+
+namespace rbd {
+namespace mirror {
+
+class TestMockImageSyncThrottler : public TestMockFixture {
+public:
+ typedef ImageSyncThrottler<librbd::MockImageCtx> MockImageSyncThrottler;
+
+ virtual void SetUp() {
+ TestMockFixture::SetUp();
+
+ librbd::RBD rbd;
+ ASSERT_EQ(0, create_image(rbd, m_remote_io_ctx, m_image_name, m_image_size));
+ ASSERT_EQ(0, open_image(m_remote_io_ctx, m_image_name, &m_remote_image_ctx));
+
+ ASSERT_EQ(0, create_image(rbd, m_local_io_ctx, m_image_name, m_image_size));
+ ASSERT_EQ(0, open_image(m_local_io_ctx, m_image_name, &m_local_image_ctx));
+
+ mock_sync_throttler = new MockImageSyncThrottler();
+
+ m_mock_local_image_ctx = new librbd::MockImageCtx(*m_local_image_ctx);
+ m_mock_remote_image_ctx = new librbd::MockImageCtx(*m_remote_image_ctx);
+ m_mock_journaler = new journal::MockJournaler();
+ }
+
+ virtual void TearDown() {
+ MockImageSync::instances.clear();
+ delete mock_sync_throttler;
+ delete m_mock_local_image_ctx;
+ delete m_mock_remote_image_ctx;
+ delete m_mock_journaler;
+ TestMockFixture::TearDown();
+ }
+
+ void start_sync(const std::string& image_id, Context *ctx) {
+ m_mock_local_image_ctx->id = image_id;
+ mock_sync_throttler->start_sync(m_mock_local_image_ctx,
+ m_mock_remote_image_ctx,
+ m_threads->timer,
+ &m_threads->timer_lock,
+ "mirror_uuid",
+ m_mock_journaler,
+ &m_client_meta,
+ m_threads->work_queue,
+ ctx);
+ }
+
+ void cancel(const std::string& mirror_uuid, MockImageSync *sync,
+ bool running=true) {
+ if (running) {
+ EXPECT_CALL(*sync, cancel())
+ .WillOnce(Invoke([sync]() {
+ sync->finish(-ECANCELED);
+ }));
+ } else {
+ EXPECT_CALL(*sync, cancel()).Times(0);
+ }
+ mock_sync_throttler->cancel_sync(mirror_uuid);
+ }
+
+ librbd::ImageCtx *m_remote_image_ctx;
+ librbd::ImageCtx *m_local_image_ctx;
+ librbd::MockImageCtx *m_mock_local_image_ctx;
+ librbd::MockImageCtx *m_mock_remote_image_ctx;
+ journal::MockJournaler *m_mock_journaler;
+ librbd::journal::MirrorPeerClientMeta m_client_meta;
+ MockImageSyncThrottler *mock_sync_throttler;
+};
+
+TEST_F(TestMockImageSyncThrottler, Single_Sync) {
+ C_SaferCond ctx;
+ start_sync("image_id", &ctx);
+
+ ASSERT_EQ(1u, MockImageSync::instances.size());
+ MockImageSync *sync = MockImageSync::instances[0];
+ ASSERT_EQ(true, sync->syncing);
+ sync->finish(0);
+ ASSERT_EQ(0, ctx.wait());
+}
+
+TEST_F(TestMockImageSyncThrottler, Multiple_Syncs) {
+ mock_sync_throttler->set_max_concurrent_syncs(2);
+
+ C_SaferCond ctx1;
+ start_sync("image_id_1", &ctx1);
+ C_SaferCond ctx2;
+ start_sync("image_id_2", &ctx2);
+ C_SaferCond ctx3;
+ start_sync("image_id_3", &ctx3);
+ C_SaferCond ctx4;
+ start_sync("image_id_4", &ctx4);
+
+ ASSERT_EQ(4u, MockImageSync::instances.size());
+
+ MockImageSync *sync1 = MockImageSync::instances[0];
+ ASSERT_TRUE(sync1->syncing);
+
+ MockImageSync *sync2 = MockImageSync::instances[1];
+ ASSERT_TRUE(sync2->syncing);
+
+ MockImageSync *sync3 = MockImageSync::instances[2];
+ ASSERT_FALSE(sync3->syncing);
+
+ MockImageSync *sync4 = MockImageSync::instances[3];
+ ASSERT_FALSE(sync4->syncing);
+
+ sync1->finish(0);
+ ASSERT_EQ(0, ctx1.wait());
+
+ ASSERT_TRUE(sync3->syncing);
+ sync3->finish(-EINVAL);
+ ASSERT_EQ(-EINVAL, ctx3.wait());
+
+ ASSERT_TRUE(sync4->syncing);
+
+ sync2->finish(0);
+ ASSERT_EQ(0, ctx2.wait());
+
+ sync4->finish(0);
+ ASSERT_EQ(0, ctx4.wait());
+}
+
+TEST_F(TestMockImageSyncThrottler, Cancel_Running_Sync) {
+ C_SaferCond ctx1;
+ start_sync("image_id_1", &ctx1);
+ C_SaferCond ctx2;
+ start_sync("image_id_2", &ctx2);
+
+ ASSERT_EQ(2u, MockImageSync::instances.size());
+
+ MockImageSync *sync1 = MockImageSync::instances[0];
+ ASSERT_TRUE(sync1->syncing);
+
+ MockImageSync *sync2 = MockImageSync::instances[1];
+ ASSERT_TRUE(sync2->syncing);
+
+ cancel("image_id_2", sync2);
+ ASSERT_EQ(-ECANCELED, ctx2.wait());
+
+ sync1->finish(0);
+ ASSERT_EQ(0, ctx1.wait());
+}
+
+TEST_F(TestMockImageSyncThrottler, Cancel_Waiting_Sync) {
+ mock_sync_throttler->set_max_concurrent_syncs(1);
+
+ C_SaferCond ctx1;
+ start_sync("image_id_1", &ctx1);
+ C_SaferCond ctx2;
+ start_sync("image_id_2", &ctx2);
+
+ ASSERT_EQ(2u, MockImageSync::instances.size());
+
+ MockImageSync *sync1 = MockImageSync::instances[0];
+ ASSERT_TRUE(sync1->syncing);
+
+ MockImageSync *sync2 = MockImageSync::instances[1];
+ ASSERT_FALSE(sync2->syncing);
+
+ cancel("image_id_2", sync2, false);
+ ASSERT_EQ(-ECANCELED, ctx2.wait());
+
+ sync1->finish(0);
+ ASSERT_EQ(0, ctx1.wait());
+}
+
+TEST_F(TestMockImageSyncThrottler, Cancel_Running_Sync_Start_Waiting) {
+ mock_sync_throttler->set_max_concurrent_syncs(1);
+
+ C_SaferCond ctx1;
+ start_sync("image_id_1", &ctx1);
+ C_SaferCond ctx2;
+ start_sync("image_id_2", &ctx2);
+
+ ASSERT_EQ(2u, MockImageSync::instances.size());
+
+ MockImageSync *sync1 = MockImageSync::instances[0];
+ ASSERT_TRUE(sync1->syncing);
+
+ MockImageSync *sync2 = MockImageSync::instances[1];
+ ASSERT_FALSE(sync2->syncing);
+
+ cancel("image_id_1", sync1);
+ ASSERT_EQ(-ECANCELED, ctx1.wait());
+
+ ASSERT_TRUE(sync2->syncing);
+ sync2->finish(0);
+ ASSERT_EQ(0, ctx2.wait());
+}
+
+TEST_F(TestMockImageSyncThrottler, Increase_Max_Concurrent_Syncs) {
+ mock_sync_throttler->set_max_concurrent_syncs(2);
+
+ C_SaferCond ctx1;
+ start_sync("image_id_1", &ctx1);
+ C_SaferCond ctx2;
+ start_sync("image_id_2", &ctx2);
+ C_SaferCond ctx3;
+ start_sync("image_id_3", &ctx3);
+ C_SaferCond ctx4;
+ start_sync("image_id_4", &ctx4);
+ C_SaferCond ctx5;
+ start_sync("image_id_5", &ctx5);
+
+ ASSERT_EQ(5u, MockImageSync::instances.size());
+
+ MockImageSync *sync1 = MockImageSync::instances[0];
+ ASSERT_TRUE(sync1->syncing);
+
+ MockImageSync *sync2 = MockImageSync::instances[1];
+ ASSERT_TRUE(sync2->syncing);
+
+ MockImageSync *sync3 = MockImageSync::instances[2];
+ ASSERT_FALSE(sync3->syncing);
+
+ MockImageSync *sync4 = MockImageSync::instances[3];
+ ASSERT_FALSE(sync4->syncing);
+
+ MockImageSync *sync5 = MockImageSync::instances[4];
+ ASSERT_FALSE(sync5->syncing);
+
+ mock_sync_throttler->set_max_concurrent_syncs(4);
+
+ ASSERT_TRUE(sync3->syncing);
+ ASSERT_TRUE(sync4->syncing);
+ ASSERT_FALSE(sync5->syncing);
+
+ sync1->finish(0);
+ ASSERT_EQ(0, ctx1.wait());
+
+ ASSERT_TRUE(sync5->syncing);
+ sync5->finish(-EINVAL);
+ ASSERT_EQ(-EINVAL, ctx5.wait());
+
+ sync2->finish(0);
+ ASSERT_EQ(0, ctx2.wait());
+
+ sync3->finish(0);
+ ASSERT_EQ(0, ctx3.wait());
+
+ sync4->finish(0);
+ ASSERT_EQ(0, ctx4.wait());
+}
+
+TEST_F(TestMockImageSyncThrottler, Decrease_Max_Concurrent_Syncs) {
+ mock_sync_throttler->set_max_concurrent_syncs(4);
+
+ C_SaferCond ctx1;
+ start_sync("image_id_1", &ctx1);
+ C_SaferCond ctx2;
+ start_sync("image_id_2", &ctx2);
+ C_SaferCond ctx3;
+ start_sync("image_id_3", &ctx3);
+ C_SaferCond ctx4;
+ start_sync("image_id_4", &ctx4);
+ C_SaferCond ctx5;
+ start_sync("image_id_5", &ctx5);
+
+ ASSERT_EQ(5u, MockImageSync::instances.size());
+
+ MockImageSync *sync1 = MockImageSync::instances[0];
+ ASSERT_TRUE(sync1->syncing);
+
+ MockImageSync *sync2 = MockImageSync::instances[1];
+ ASSERT_TRUE(sync2->syncing);
+
+ MockImageSync *sync3 = MockImageSync::instances[2];
+ ASSERT_TRUE(sync3->syncing);
+
+ MockImageSync *sync4 = MockImageSync::instances[3];
+ ASSERT_TRUE(sync4->syncing);
+
+ MockImageSync *sync5 = MockImageSync::instances[4];
+ ASSERT_FALSE(sync5->syncing);
+
+ mock_sync_throttler->set_max_concurrent_syncs(2);
+
+ ASSERT_FALSE(sync5->syncing);
+
+ sync1->finish(0);
+ ASSERT_EQ(0, ctx1.wait());
+
+ ASSERT_FALSE(sync5->syncing);
+
+ sync2->finish(0);
+ ASSERT_EQ(0, ctx2.wait());
+
+ ASSERT_FALSE(sync5->syncing);
+
+ sync3->finish(0);
+ ASSERT_EQ(0, ctx3.wait());
+
+ ASSERT_TRUE(sync5->syncing);
+
+ sync4->finish(0);
+ ASSERT_EQ(0, ctx4.wait());
+
+ sync5->finish(0);
+ ASSERT_EQ(0, ctx5.wait());
+}
+
+
+} // namespace mirror
+} // namespace rbd
+
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