RecallTaskInjectorTest.cpp 9.95 KB
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/****************************************************************************** 
 *
 * This file is part of the Castor project.
 * See http://castor.web.cern.ch/castor
 *
 * Copyright (C) 2003  CERN
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 * 
 *
 * @author Castor Dev team, castor-dev@cern.ch
 *****************************************************************************/
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#include "castor/messages/TapeserverProxyDummy.hpp"
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#include "castor/tape/tapeserver/daemon/DiskWriteThreadPool.hpp"
#include "castor/tape/tapeserver/daemon/RecallTaskInjector.hpp"
#include "castor/tape/tapeserver/daemon/TapeServerReporter.hpp"
#include "castor/tape/tapeserver/daemon/TapeReadSingleThread.hpp"
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#include "castor/tape/tapeserver/daemon/TaskWatchDog.hpp"
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#include "castor/tape/tapeserver/drive/FakeDrive.hpp"
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#include "common/log/DummyLogger.hpp"
#include "common/log/StringLogger.hpp"
#include "common/processCap/ProcessCapDummy.hpp"
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#include "mediachanger/MediaChangerFacade.hpp"
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#include "scheduler/SchedulerDatabase.hpp"
#include "scheduler/testingMocks/MockRetrieveMount.hpp"
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#include "scheduler/TapeMountDummy.hpp"
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#include <gtest/gtest.h>

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using namespace castor::tape::tapeserver::daemon;
using namespace castor::tape;
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namespace unitTests
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{
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  const int blockSize=4096;
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  class castor_tape_tapeserver_daemonTest: public ::testing::Test {
  protected:

    void SetUp() {
    }

    void TearDown() {
    }
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  }; // class castor_tape_tapeserver_daemonTest
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  struct MockRecallReportPacker : public RecallReportPacker {
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    void reportCompletedJob(std::unique_ptr<cta::RetrieveJob> successfulRetrieveJob) override {
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      cta::threading::MutexLocker ml(m_mutex);
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      completeJobs++;
    }
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    void reportFailedJob(std::unique_ptr<cta::RetrieveJob> failedRetrieveJob, const cta::exception::Exception & ex) override {
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      cta::threading::MutexLocker ml(m_mutex);
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      failedJobs++;
    }
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    void disableBulk() override {}
    void reportEndOfSession() override {
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      cta::threading::MutexLocker ml(m_mutex);
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      endSessions++;
    }
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    void reportEndOfSessionWithErrors(const std::string msg, int error_code) override {
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      cta::threading::MutexLocker ml(m_mutex);
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      endSessionsWithError++;
    }
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    MockRecallReportPacker(cta::RetrieveMount *rm,cta::log::LogContext lc):
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     RecallReportPacker(rm,lc), completeJobs(0), failedJobs(0),
      endSessions(0), endSessionsWithError(0) {}
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    cta::threading::Mutex m_mutex;
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    int completeJobs;
    int failedJobs;
    int endSessions;
    int endSessionsWithError;
  };
  
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  class FakeDiskWriteThreadPool: public DiskWriteThreadPool
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  {
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  public:
    using DiskWriteThreadPool::m_tasks;
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    FakeDiskWriteThreadPool(RecallReportPacker &rrp, RecallWatchDog &rwd, 
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      cta::log::LogContext & lc):
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      DiskWriteThreadPool(1,rrp,
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      rwd,lc,"/dev/null", 0){}
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    virtual ~FakeDiskWriteThreadPool() {};
  };

  class FakeSingleTapeReadThread : public TapeSingleThreadInterface<TapeReadTask>
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  {
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  public:
    using TapeSingleThreadInterface<TapeReadTask>::m_tasks;

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    FakeSingleTapeReadThread(tapeserver::drive::DriveInterface& drive,
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      cta::mediachanger::MediaChangerFacade & mc,
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      tapeserver::daemon::TapeServerReporter & tsr,
      const tapeserver::daemon::VolumeInfo& volInfo, 
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      cta::server::ProcessCap& cap, 
      const uint32_t tapeLoadTimeout,
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      cta::log::LogContext & lc):
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    TapeSingleThreadInterface<TapeReadTask>(drive, mc, tsr, volInfo,cap, lc, "", tapeLoadTimeout){}
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    ~FakeSingleTapeReadThread(){
      const unsigned int size= m_tasks.size();
      for(unsigned int i=0;i<size;++i){
        delete m_tasks.pop();
      }
    }
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    virtual void run () 
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    {
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      m_tasks.push(NULL);
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    }
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    virtual void push(TapeReadTask* t){
      m_tasks.push(t);
    }

    virtual void countTapeLogError(const std::string & error) {};
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    protected:
      virtual void logSCSIMetrics() {};
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  };
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  class TestingDatabaseRetrieveMount: public cta::SchedulerDatabase::RetrieveMount {
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    const MountInfo & getMountInfo() override { throw std::runtime_error("Not implemented"); }
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    std::list<std::unique_ptr<cta::SchedulerDatabase::RetrieveJob> > getNextJobBatch(uint64_t filesRequested, uint64_t bytesRequested,
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      cta::disk::DiskSystemFreeSpaceList & diskSystemFreeSpace, cta::log::LogContext& logContext) override { throw std::runtime_error("Not implemented");}
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    void complete(time_t completionTime) override { throw std::runtime_error("Not implemented"); }
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    void setDriveStatus(cta::common::dataStructures::DriveStatus status, time_t completionTime,const cta::optional<std::string> & reason) override { throw std::runtime_error("Not implemented"); }
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    void setTapeSessionStats(const castor::tape::tapeserver::daemon::TapeSessionStats &stats) override { throw std::runtime_error("Not implemented"); }
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    void flushAsyncSuccessReports(std::list<cta::SchedulerDatabase::RetrieveJob*>& jobsBatch, cta::log::LogContext& lc) override { throw std::runtime_error("Not implemented"); }
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  };
  
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  TEST_F(castor_tape_tapeserver_daemonTest, RecallTaskInjectorNominal) {
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    const int nbJobs=15;
    const int maxNbJobsInjectedAtOnce = 6;
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    cta::log::StringLogger log("dummy","castor_tape_tapeserver_daemon_RecallTaskInjectorTest",cta::log::DEBUG);
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    cta::log::LogContext lc(log);
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    RecallMemoryManager mm(50U, 50U, lc);
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    castor::tape::tapeserver::drive::FakeDrive drive;
    
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    auto catalogue = cta::catalogue::DummyCatalogue();
    cta::MockRetrieveMount trm(catalogue);
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    trm.createRetrieveJobs(nbJobs);
    //EXPECT_CALL(trm, internalGetNextJob()).Times(nbJobs+1);
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    castor::messages::TapeserverProxyDummy tspd;
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    cta::TapeMountDummy tmd;
    RecallWatchDog rwd(1,1,tspd,tmd,"",lc);
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    std::unique_ptr<cta::SchedulerDatabase::RetrieveMount> dbrm(new TestingDatabaseRetrieveMount());
    MockRecallReportPacker mrrp(&trm,lc);
    FakeDiskWriteThreadPool diskWrite(mrrp,rwd,lc);
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    cta::log::DummyLogger dummyLog("dummy","dummy");
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    cta::mediachanger::MediaChangerFacade mc(dummyLog);
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    castor::messages::TapeserverProxyDummy initialProcess;
    castor::tape::tapeserver::daemon::VolumeInfo volume;
    volume.vid="V12345";
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    volume.mountType=cta::common::dataStructures::MountType::Retrieve;
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    castor::tape::tapeserver::daemon::TapeServerReporter gsr(initialProcess, cta::tape::daemon::TpconfigLine(), "0.0.0.0", volume, lc);
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    cta::server::ProcessCapDummy cap;
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    FakeSingleTapeReadThread tapeRead(drive, mc, gsr, volume, cap, 60, lc);
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    tapeserver::daemon::RecallTaskInjector rti(mm, tapeRead, diskWrite, trm, maxNbJobsInjectedAtOnce, blockSize, lc);
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    bool noFilesToRecall;
    ASSERT_EQ(true, rti.synchronousFetch(noFilesToRecall));
    ASSERT_FALSE(noFilesToRecall);
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    ASSERT_EQ(maxNbJobsInjectedAtOnce, diskWrite.m_tasks.size());
    ASSERT_EQ(maxNbJobsInjectedAtOnce, tapeRead.m_tasks.size());
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    rti.startThreads();
    rti.requestInjection(false);
    rti.requestInjection(true);
    rti.finish();
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    ASSERT_NO_THROW(rti.waitThreads());
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    ASSERT_EQ(nbJobs+1, trm.getJobs);
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    //pushed nbFile*2 files + 1 end of work
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    ASSERT_EQ(nbJobs+1, diskWrite.m_tasks.size());
    ASSERT_EQ(nbJobs+1, tapeRead.m_tasks.size());
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    for(int i=0; i<nbJobs; ++i)
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    {
      delete diskWrite.m_tasks.pop();
      delete tapeRead.m_tasks.pop();
    }

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    for(int i=0; i<1; ++i)
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    {
      DiskWriteTask* diskWriteTask=diskWrite.m_tasks.pop();
      TapeReadTask* tapeReadTask=tapeRead.m_tasks.pop();

      //static_cast is needed otherwise compilation fails on SL5 with a raw NULL
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      ASSERT_EQ(static_cast<DiskWriteTask*>(NULL), diskWriteTask);
      ASSERT_EQ(static_cast<TapeReadTask*>(NULL), tapeReadTask);
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      delete diskWriteTask;
      delete tapeReadTask;
    }
  }
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  TEST_F(castor_tape_tapeserver_daemonTest, RecallTaskInjectorNoFiles) {
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    cta::log::StringLogger log("dummy","castor_tape_tapeserver_daemon_RecallTaskInjectorTest",cta::log::DEBUG);
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    cta::log::LogContext lc(log);
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    RecallMemoryManager mm(50U, 50U, lc);
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    castor::tape::tapeserver::drive::FakeDrive drive;
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    auto catalogue = cta::catalogue::DummyCatalogue();
    cta::MockRetrieveMount trm(catalogue);
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    trm.createRetrieveJobs(0);
    //EXPECT_CALL(trm, internalGetNextJob()).Times(1); //no work: single call to getnextjob
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    castor::messages::TapeserverProxyDummy tspd;
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    cta::TapeMountDummy tmd;
    RecallWatchDog rwd(1,1,tspd,tmd,"",lc);
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    std::unique_ptr<cta::SchedulerDatabase::RetrieveMount> dbrm(new TestingDatabaseRetrieveMount());
    MockRecallReportPacker mrrp(&trm,lc);
    FakeDiskWriteThreadPool diskWrite(mrrp,rwd,lc);
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    cta::log::DummyLogger dummyLog("dummy","dummy");
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    cta::mediachanger::MediaChangerFacade mc(dummyLog);
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    castor::messages::TapeserverProxyDummy initialProcess;  
    castor::tape::tapeserver::daemon::VolumeInfo volume;
    volume.vid="V12345";
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    volume.mountType=cta::common::dataStructures::MountType::Retrieve;
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    cta::server::ProcessCapDummy cap;
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    castor::tape::tapeserver::daemon::TapeServerReporter tsr(initialProcess, cta::tape::daemon::TpconfigLine(), "0.0.0.0", volume, lc);  
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    FakeSingleTapeReadThread tapeRead(drive, mc, tsr, volume, cap, 60, lc);
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    tapeserver::daemon::RecallTaskInjector rti(mm, tapeRead, diskWrite, trm, 6, blockSize, lc);
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    bool noFilesToRecall;
    ASSERT_FALSE(rti.synchronousFetch(noFilesToRecall));
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    ASSERT_EQ(0U, diskWrite.m_tasks.size());
    ASSERT_EQ(0U, tapeRead.m_tasks.size());
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    ASSERT_EQ(1, trm.getJobs);
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    ASSERT_TRUE(noFilesToRecall);
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  }
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}