| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| #include "kudu/tserver/scanners.h" |
| |
| #include <vector> |
| |
| #include <gtest/gtest.h> |
| #include "kudu/tablet/tablet_peer.h" |
| #include "kudu/tserver/scanner_metrics.h" |
| #include "kudu/util/metrics.h" |
| #include "kudu/util/test_util.h" |
| |
| DECLARE_int32(scanner_ttl_ms); |
| |
| namespace kudu { |
| |
| using tablet::TabletPeer; |
| |
| namespace tserver { |
| |
| using std::vector; |
| |
| TEST(ScannersTest, TestManager) { |
| scoped_refptr<TabletPeer> null_peer(nullptr); |
| ScannerManager mgr(nullptr); |
| |
| // Create two scanners, make sure their ids are different. |
| SharedScanner s1, s2; |
| mgr.NewScanner(null_peer, "", &s1); |
| mgr.NewScanner(null_peer, "", &s2); |
| ASSERT_NE(s1->id(), s2->id()); |
| |
| // Check that they're both registered. |
| SharedScanner result; |
| ASSERT_TRUE(mgr.LookupScanner(s1->id(), &result)); |
| ASSERT_EQ(result.get(), s1.get()); |
| |
| ASSERT_TRUE(mgr.LookupScanner(s2->id(), &result)); |
| ASSERT_EQ(result.get(), s2.get()); |
| |
| // Check that looking up a bad scanner returns false. |
| ASSERT_FALSE(mgr.LookupScanner("xxx", &result)); |
| |
| // Remove the scanners. |
| ASSERT_TRUE(mgr.UnregisterScanner(s1->id())); |
| ASSERT_TRUE(mgr.UnregisterScanner(s2->id())); |
| |
| // Removing a missing scanner should return false. |
| ASSERT_FALSE(mgr.UnregisterScanner("xxx")); |
| } |
| |
| TEST(ScannerTest, TestExpire) { |
| scoped_refptr<TabletPeer> null_peer(nullptr); |
| FLAGS_scanner_ttl_ms = 100; |
| MetricRegistry registry; |
| ScannerManager mgr(METRIC_ENTITY_server.Instantiate(®istry, "test")); |
| SharedScanner s1, s2; |
| mgr.NewScanner(null_peer, "", &s1); |
| mgr.NewScanner(null_peer, "", &s2); |
| SleepFor(MonoDelta::FromMilliseconds(200)); |
| s2->UpdateAccessTime(); |
| mgr.RemoveExpiredScanners(); |
| ASSERT_EQ(1, mgr.CountActiveScanners()); |
| ASSERT_EQ(1, mgr.metrics_->scanners_expired->value()); |
| vector<SharedScanner> active_scanners; |
| mgr.ListScanners(&active_scanners); |
| ASSERT_EQ(s2->id(), active_scanners[0]->id()); |
| } |
| |
| } // namespace tserver |
| } // namespace kudu |