ceph/src/test/rbd_mirror/test_mock_Throttler.cc

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3 /*
   4  * Ceph - scalable distributed file system
   5  *
   6  * Copyright (C) 2016 SUSE LINUX GmbH
   7  *
   8  * This is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License version 2.1, as published by the Free Software
  11  * Foundation.  See file COPYING.
  12  *
  13  */
  14
  15 #include "test/rbd_mirror/test_mock_fixture.h"
  16 #include "test/librbd/mock/MockImageCtx.h"
  17
  18 namespace librbd {
  19
  20 namespace {
  21
  22 struct MockTestImageCtx : public librbd::MockImageCtx {
  23   MockTestImageCtx(librbd::ImageCtx &image_ctx)
  24     : librbd::MockImageCtx(image_ctx) {
  25   }
  26 };
  27
  28 } // anonymous namespace
  29
  30 } // namespace librbd
  31
  32 // template definitions
  33 #include "tools/rbd_mirror/Throttler.cc"
  34
  35 namespace rbd {
  36 namespace mirror {
  37
  38 class TestMockThrottler : public TestMockFixture {
  39 public:
  40   typedef Throttler<librbd::MockTestImageCtx> MockThrottler;
  41
  42 };
  43
  44 TEST_F(TestMockThrottler, Single_Sync) {
  45   MockThrottler throttler(g_ceph_context, "rbd_mirror_concurrent_image_syncs");
  46   C_SaferCond on_start;
  47   throttler.start_op("ns", "id", &on_start);
  48   ASSERT_EQ(0, on_start.wait());
  49   throttler.finish_op("ns", "id");
  50 }
  51
  52 TEST_F(TestMockThrottler, Multiple_Syncs) {
  53   MockThrottler throttler(g_ceph_context, "rbd_mirror_concurrent_image_syncs");
  54   throttler.set_max_concurrent_ops(2);
  55
  56   C_SaferCond on_start1;
  57   throttler.start_op("ns", "id1", &on_start1);
  58   C_SaferCond on_start2;
  59   throttler.start_op("ns", "id2", &on_start2);
  60   C_SaferCond on_start3;
  61   throttler.start_op("ns", "id3", &on_start3);
  62   C_SaferCond on_start4;
  63   throttler.start_op("ns", "id4", &on_start4);
  64
  65   ASSERT_EQ(0, on_start2.wait());
  66   throttler.finish_op("ns", "id2");
  67   ASSERT_EQ(0, on_start3.wait());
  68   throttler.finish_op("ns", "id3");
  69   ASSERT_EQ(0, on_start1.wait());
  70   throttler.finish_op("ns", "id1");
  71   ASSERT_EQ(0, on_start4.wait());
  72   throttler.finish_op("ns", "id4");
  73 }
  74
  75 TEST_F(TestMockThrottler, Cancel_Running_Sync) {
  76   MockThrottler throttler(g_ceph_context, "rbd_mirror_concurrent_image_syncs");
  77   C_SaferCond on_start;
  78   throttler.start_op("ns", "id", &on_start);
  79   ASSERT_EQ(0, on_start.wait());
  80   ASSERT_FALSE(throttler.cancel_op("ns", "id"));
  81   throttler.finish_op("ns", "id");
  82 }
  83
  84 TEST_F(TestMockThrottler, Cancel_Waiting_Sync) {
  85   MockThrottler throttler(g_ceph_context, "rbd_mirror_concurrent_image_syncs");
  86   throttler.set_max_concurrent_ops(1);
  87
  88   C_SaferCond on_start1;
  89   throttler.start_op("ns", "id1", &on_start1);
  90   C_SaferCond on_start2;
  91   throttler.start_op("ns", "id2", &on_start2);
  92
  93   ASSERT_EQ(0, on_start1.wait());
  94   ASSERT_TRUE(throttler.cancel_op("ns", "id2"));
  95   ASSERT_EQ(-ECANCELED, on_start2.wait());
  96   throttler.finish_op("ns", "id1");
  97 }
  98
  99 TEST_F(TestMockThrottler, Cancel_Running_Sync_Start_Waiting) {
 100   MockThrottler throttler(g_ceph_context, "rbd_mirror_concurrent_image_syncs");
 101   throttler.set_max_concurrent_ops(1);
 102
 103   C_SaferCond on_start1;
 104   throttler.start_op("ns", "id1", &on_start1);
 105   C_SaferCond on_start2;
 106   throttler.start_op("ns", "id2", &on_start2);
 107
 108   ASSERT_EQ(0, on_start1.wait());
 109   ASSERT_FALSE(throttler.cancel_op("ns", "id1"));
 110   throttler.finish_op("ns", "id1");
 111   ASSERT_EQ(0, on_start2.wait());
 112   throttler.finish_op("ns", "id2");
 113 }
 114
 115 TEST_F(TestMockThrottler, Duplicate) {
 116   MockThrottler throttler(g_ceph_context, "rbd_mirror_concurrent_image_syncs");
 117   throttler.set_max_concurrent_ops(1);
 118
 119   C_SaferCond on_start1;
 120   throttler.start_op("ns", "id1", &on_start1);
 121   ASSERT_EQ(0, on_start1.wait());
 122
 123   C_SaferCond on_start2;
 124   throttler.start_op("ns", "id1", &on_start2);
 125   ASSERT_EQ(0, on_start2.wait());
 126
 127   C_SaferCond on_start3;
 128   throttler.start_op("ns", "id2", &on_start3);
 129   C_SaferCond on_start4;
 130   throttler.start_op("ns", "id2", &on_start4);
 131   ASSERT_EQ(-ENOENT, on_start3.wait());
 132
 133   throttler.finish_op("ns", "id1");
 134   ASSERT_EQ(0, on_start4.wait());
 135   throttler.finish_op("ns", "id2");
 136 }
 137
 138 TEST_F(TestMockThrottler, Duplicate2) {
 139   MockThrottler throttler(g_ceph_context, "rbd_mirror_concurrent_image_syncs");
 140   throttler.set_max_concurrent_ops(2);
 141
 142   C_SaferCond on_start1;
 143   throttler.start_op("ns", "id1", &on_start1);
 144   ASSERT_EQ(0, on_start1.wait());
 145   C_SaferCond on_start2;
 146   throttler.start_op("ns", "id2", &on_start2);
 147   ASSERT_EQ(0, on_start2.wait());
 148
 149   C_SaferCond on_start3;
 150   throttler.start_op("ns", "id3", &on_start3);
 151   C_SaferCond on_start4;
 152   throttler.start_op("ns", "id3", &on_start4); // dup
 153   ASSERT_EQ(-ENOENT, on_start3.wait());
 154
 155   C_SaferCond on_start5;
 156   throttler.start_op("ns", "id4", &on_start5);
 157
 158   throttler.finish_op("ns", "id1");
 159   ASSERT_EQ(0, on_start4.wait());
 160
 161   throttler.finish_op("ns", "id2");
 162   ASSERT_EQ(0, on_start5.wait());
 163
 164   C_SaferCond on_start6;
 165   throttler.start_op("ns", "id5", &on_start6);
 166
 167   throttler.finish_op("ns", "id3");
 168   ASSERT_EQ(0, on_start6.wait());
 169
 170   throttler.finish_op("ns", "id4");
 171   throttler.finish_op("ns", "id5");
 172 }
 173
 174 TEST_F(TestMockThrottler, Increase_Max_Concurrent_Syncs) {
 175   MockThrottler throttler(g_ceph_context, "rbd_mirror_concurrent_image_syncs");
 176   throttler.set_max_concurrent_ops(2);
 177
 178   C_SaferCond on_start1;
 179   throttler.start_op("ns", "id1", &on_start1);
 180   C_SaferCond on_start2;
 181   throttler.start_op("ns", "id2", &on_start2);
 182   C_SaferCond on_start3;
 183   throttler.start_op("ns", "id3", &on_start3);
 184   C_SaferCond on_start4;
 185   throttler.start_op("ns", "id4", &on_start4);
 186   C_SaferCond on_start5;
 187   throttler.start_op("ns", "id5", &on_start5);
 188
 189   ASSERT_EQ(0, on_start1.wait());
 190   ASSERT_EQ(0, on_start2.wait());
 191
 192   throttler.set_max_concurrent_ops(4);
 193
 194   ASSERT_EQ(0, on_start3.wait());
 195   ASSERT_EQ(0, on_start4.wait());
 196
 197   throttler.finish_op("ns", "id4");
 198   ASSERT_EQ(0, on_start5.wait());
 199
 200   throttler.finish_op("ns", "id1");
 201   throttler.finish_op("ns", "id2");
 202   throttler.finish_op("ns", "id3");
 203   throttler.finish_op("ns", "id5");
 204 }
 205
 206 TEST_F(TestMockThrottler, Decrease_Max_Concurrent_Syncs) {
 207   MockThrottler throttler(g_ceph_context, "rbd_mirror_concurrent_image_syncs");
 208   throttler.set_max_concurrent_ops(4);
 209
 210   C_SaferCond on_start1;
 211   throttler.start_op("ns", "id1", &on_start1);
 212   C_SaferCond on_start2;
 213   throttler.start_op("ns", "id2", &on_start2);
 214   C_SaferCond on_start3;
 215   throttler.start_op("ns", "id3", &on_start3);
 216   C_SaferCond on_start4;
 217   throttler.start_op("ns", "id4", &on_start4);
 218   C_SaferCond on_start5;
 219   throttler.start_op("ns", "id5", &on_start5);
 220
 221   ASSERT_EQ(0, on_start1.wait());
 222   ASSERT_EQ(0, on_start2.wait());
 223   ASSERT_EQ(0, on_start3.wait());
 224   ASSERT_EQ(0, on_start4.wait());
 225
 226   throttler.set_max_concurrent_ops(2);
 227
 228   throttler.finish_op("ns", "id1");
 229   throttler.finish_op("ns", "id2");
 230   throttler.finish_op("ns", "id3");
 231
 232   ASSERT_EQ(0, on_start5.wait());
 233
 234   throttler.finish_op("ns", "id4");
 235   throttler.finish_op("ns", "id5");
 236 }
 237
 238 TEST_F(TestMockThrottler, Drain) {
 239   MockThrottler throttler(g_ceph_context, "rbd_mirror_concurrent_image_syncs");
 240   throttler.set_max_concurrent_ops(1);
 241
 242   C_SaferCond on_start1;
 243   throttler.start_op("ns", "id1", &on_start1);
 244   C_SaferCond on_start2;
 245   throttler.start_op("ns", "id2", &on_start2);
 246
 247   ASSERT_EQ(0, on_start1.wait());
 248   throttler.drain("ns", -ESTALE);
 249   ASSERT_EQ(-ESTALE, on_start2.wait());
 250 }
 251
 252 } // namespace mirror
 253 } // namespace rbd