Added the Probe Session

castor/messages/Constants.hpp

@@ -35,30 +35,31 @@ enum MsgType {
   /*  0 */ MSG_TYPE_NONE,
   /*  1 */ MSG_TYPE_EXCEPTION,
   /*  2 */ MSG_TYPE_FORKCLEANER,
-  /*  3 */ MSG_TYPE_FORKDATATRANSFER,
-  /*  4 */ MSG_TYPE_FORKLABEL,
-  /*  5 */ MSG_TYPE_FORKSUCCEEDED,
-  /*  6 */ MSG_TYPE_HEARTBEAT,
-  /*  7 */ MSG_TYPE_MIGRATIONJOBFROMTAPEGATEWAY,
-  /*  8 */ MSG_TYPE_MIGRATIONJOBFROMWRITETP,
-  /*  9 */ MSG_TYPE_NBFILESONTAPE,
-  /* 10 */ MSG_TYPE_PROCESSCRASHED,
-  /* 11 */ MSG_TYPE_PROCESSEXITED,
-  /* 12 */ MSG_TYPE_RECALLJOBFROMREADTP,
-  /* 13 */ MSG_TYPE_RECALLJOBFROMTAPEGATEWAY,
-  /* 14 */ MSG_TYPE_RETURNVALUE,
-  /* 15 */ MSG_TYPE_STOPPROCESSFORKER,
-  /* 16 */ MSG_TYPE_TAPEMOUNTEDFORMIGRATION,
-  /* 17 */ MSG_TYPE_TAPEMOUNTEDFORRECALL,
-  /* 18 */ MSG_TYPE_TAPEUNMOUNTSTARTED,
-  /* 19 */ MSG_TYPE_TAPEUNMOUNTED,
-  /* 20 */ MSG_TYPE_LABELERROR,
-  /* 21 */ MSG_TYPE_ACSMOUNTTAPEREADONLY,
-  /* 22 */ MSG_TYPE_ACSMOUNTTAPEREADWRITE,
-  /* 23 */ MSG_TYPE_ACSDISMOUNTTAPE,
-  /* 24 */ MSG_TYPE_ACSFORCEDISMOUNTTAPE,
-  /* 25 */ MSG_TYPE_ADDLOGPARAMS,
-  /* 26 */ MSG_TYPE_DELETELOGPARAMS
+  /*  3 */ MSG_TYPE_FORKPROBE,
+  /*  4 */ MSG_TYPE_FORKDATATRANSFER,
+  /*  5 */ MSG_TYPE_FORKLABEL,
+  /*  6 */ MSG_TYPE_FORKSUCCEEDED,
+  /*  7 */ MSG_TYPE_HEARTBEAT,
+  /*  8 */ MSG_TYPE_MIGRATIONJOBFROMTAPEGATEWAY,
+  /*  9 */ MSG_TYPE_MIGRATIONJOBFROMWRITETP,
+  /* 10 */ MSG_TYPE_NBFILESONTAPE,
+  /* 11 */ MSG_TYPE_PROCESSCRASHED,
+  /* 12 */ MSG_TYPE_PROCESSEXITED,
+  /* 13 */ MSG_TYPE_RECALLJOBFROMREADTP,
+  /* 14 */ MSG_TYPE_RECALLJOBFROMTAPEGATEWAY,
+  /* 15 */ MSG_TYPE_RETURNVALUE,
+  /* 16 */ MSG_TYPE_STOPPROCESSFORKER,
+  /* 17 */ MSG_TYPE_TAPEMOUNTEDFORMIGRATION,
+  /* 18 */ MSG_TYPE_TAPEMOUNTEDFORRECALL,
+  /* 19 */ MSG_TYPE_TAPEUNMOUNTSTARTED,
+  /* 20 */ MSG_TYPE_TAPEUNMOUNTED,
+  /* 21 */ MSG_TYPE_LABELERROR,
+  /* 22 */ MSG_TYPE_ACSMOUNTTAPEREADONLY,
+  /* 23 */ MSG_TYPE_ACSMOUNTTAPEREADWRITE,
+  /* 24 */ MSG_TYPE_ACSDISMOUNTTAPE,
+  /* 25 */ MSG_TYPE_ACSFORCEDISMOUNTTAPE,
+  /* 26 */ MSG_TYPE_ADDLOGPARAMS,
+  /* 27 */ MSG_TYPE_DELETELOGPARAMS
 };
 
 enum ProtocolVersion {

castor/messages/ForkProbe.proto

+// 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
+
+package castor.messages;
+
+message ForkProbe {
+  // Description of the tape drive
+  required string unitname = 1;
+  required string dgn = 2;
+  required string devfilename = 3;
+  required string libraryslot = 4;
+
+  // Description of the probe job
+  required uint32 drivereadydelayinseconds = 6;
+}
\ No newline at end of file

castor/tape/tapeserver/daemon/CMakeLists.txt

@@ -33,6 +33,7 @@ add_library(castorTapeServerDaemon
   CatalogueTransferSession.cpp
   CatalogueCleanerSession.cpp
   CatalogueConfig.cpp
+  CleanerSession.cpp
   DataTransferConfig.cpp
   DiskReadThreadPool.cpp
   DiskReadTask.cpp
@@ -44,11 +45,11 @@ add_library(castorTapeServerDaemon
   LabelCmdAcceptHandler.cpp
   LabelCmdConnectionHandler.cpp
   LabelSession.cpp
-  CleanerSession.cpp
   MigrationMemoryManager.cpp
   MigrationReportPacker.cpp 
   MigrationTaskInjector.cpp
   DataTransferSession.cpp
+  ProbeSession.cpp
   ProcessForker.cpp
   ProcessForkerConnectionHandler.cpp
   ProcessForkerProxy.cpp

castor/tape/tapeserver/daemon/ProbeSession.cpp

+/******************************************************************************
+ *
+ * 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
+ *****************************************************************************/
+
+#include "castor/tape/tapeserver/daemon/ProbeSession.hpp"
+
+//------------------------------------------------------------------------------
+// constructor
+//------------------------------------------------------------------------------
+castor::tape::tapeserver::daemon::ProbeSession::ProbeSession(
+  server::ProcessCap &capUtils,
+  castor::log::Logger &log,
+  const DriveConfig &driveConfig,
+  System::virtualWrapper &sysWrapper,
+  const uint32_t driveReadyDelayInSeconds):
+  m_capUtils(capUtils),
+  m_log(log),
+  m_driveConfig(driveConfig),
+  m_sysWrapper(sysWrapper),
+  m_driveReadyDelayInSeconds(driveReadyDelayInSeconds) {
+}
+
+//------------------------------------------------------------------------------
+// execute
+//------------------------------------------------------------------------------
+castor::tape::tapeserver::daemon::Session::EndOfSessionAction
+  castor::tape::tapeserver::daemon::ProbeSession::execute() throw() {
+  std::string errorMessage;
+
+  try {
+    return exceptionThrowingExecute();
+  } catch(castor::exception::Exception &ex) {
+    errorMessage = ex.getMessage().str();
+  } catch(std::exception &se) {
+    errorMessage = se.what();
+  } catch(...) {
+    errorMessage = "Caught an unknown exception";
+  }
+
+  // Reaching this point means the probe failed and an exception was thrown
+  log::Param params[] = {
+    log::Param("unitName", m_driveConfig.getUnitName()),
+    log::Param("message", errorMessage)};
+  m_log(LOG_ERR, "Probe failed", params);
+  return MARK_DRIVE_AS_DOWN;
+}
+
+//------------------------------------------------------------------------------
+// exceptionThrowingExecute
+//------------------------------------------------------------------------------
+castor::tape::tapeserver::daemon::Session::EndOfSessionAction
+  castor::tape::tapeserver::daemon::ProbeSession::exceptionThrowingExecute() {
+  std::list<log::Param> params;
+  params.push_back(log::Param("unitName", m_driveConfig.getUnitName()));
+
+  setProcessCapabilities("cap_sys_rawio+ep");
+
+  std::auto_ptr<drive::DriveInterface> drivePtr = createDrive();
+  drive::DriveInterface &drive = *drivePtr.get();
+
+  waitUntilDriveIsReady(drive);
+
+  if(drive.hasTapeInPlace()) {
+    m_log(LOG_INFO, "Probe found tape drive with a tape inside", params);
+    return MARK_DRIVE_AS_DOWN;
+  }
+
+  return MARK_DRIVE_AS_UP;
+}
+
+//------------------------------------------------------------------------------
+// setProcessCapabilities
+//------------------------------------------------------------------------------
+void castor::tape::tapeserver::daemon::ProbeSession::setProcessCapabilities(
+  const std::string &capabilities) {
+  m_capUtils.setProcText(capabilities);
+  {
+    log::Param params[] = {
+      log::Param("capabilities", m_capUtils.getProcText())};
+    m_log(LOG_INFO, "Probe set process capabilities for using tape",
+      params);
+  }
+}
+
+//------------------------------------------------------------------------------
+// createDrive
+//------------------------------------------------------------------------------
+std::auto_ptr<castor::tape::tapeserver::drive::DriveInterface>
+  castor::tape::tapeserver::daemon::ProbeSession::createDrive() {
+  SCSI::DeviceVector dv(m_sysWrapper);
+  SCSI::DeviceInfo driveInfo = dv.findBySymlink(m_driveConfig.getDevFilename());
+  
+  // Instantiate the drive object
+  std::auto_ptr<castor::tape::tapeserver::drive::DriveInterface>
+    drive(drive::createDrive(driveInfo, m_sysWrapper));
+
+  if(NULL == drive.get()) {
+    castor::exception::Exception ex;
+    ex.getMessage() << "Failed to instantiate drive object";
+    throw ex;
+  } 
+    
+  return drive;
+}
+
+//------------------------------------------------------------------------------
+// waitUntilDriveIsReady
+//------------------------------------------------------------------------------
+void castor::tape::tapeserver::daemon::ProbeSession::waitUntilDriveIsReady(
+  drive::DriveInterface &drive) {
+  if(0 != m_driveReadyDelayInSeconds) {
+    std::list<log::Param> params;
+    params.push_back(log::Param("unitName", m_driveConfig.getUnitName()));
+    params.push_back(log::Param("driveReadyDelayInSeconds",
+      m_driveReadyDelayInSeconds));
+
+    try {
+      m_log(LOG_INFO, "Probe waiting for drive to be ready", params);
+      drive.waitUntilReady(m_driveReadyDelayInSeconds);
+      m_log(LOG_INFO, "Probe detected drive is ready", params);
+    } catch (castor::exception::Exception &ex) {
+      params.push_back(log::Param("message", ex.getMessage().str()));
+      m_log(LOG_INFO, "Probe caught non-fatal exception whilst waiting for"
+        " drive to become ready", params);
+    }
+  }
+}

castor/tape/tapeserver/daemon/ProbeSession.hpp

+/******************************************************************************
+ *
+ * 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
+ *****************************************************************************/
+
+#pragma once
+
+#include "castor/log/LogContext.hpp"
+#include "castor/log/Logger.hpp"
+#include "castor/mediachanger/MediaChangerFacade.hpp"
+#include "castor/server/ProcessCap.hpp"
+#include "castor/tape/tapeserver/daemon/DriveConfig.hpp"
+#include "castor/tape/tapeserver/daemon/Session.hpp"
+#include "castor/tape/tapeserver/drive/DriveInterface.hpp"
+#include "castor/tape/tapeserver/file/Structures.hpp"
+#include "castor/tape/tapeserver/SCSI/Device.hpp"
+
+#include <memory>
+
+namespace castor {
+namespace tape {
+namespace tapeserver {
+namespace daemon {
+  /**
+   * Class responsible for probing a tape drive.
+   */
+  class ProbeSession : public Session {
+    
+  public:
+    /**
+     * Constructor
+     * 
+     * @param capUtils Object providing support for UNIX capabilities.
+     * @param log Object representing the API to the CASTOR logging system.
+     * @param driveConfig Configuration of the tape drive to be probed.
+     * @param sysWrapper Object representing the operating system.
+     * @param driveReadyDelayInSeconds The maximum number of seconds to wait for
+     * the drive to be raedy with a tape inside of it.
+     */
+    ProbeSession(
+      server::ProcessCap &capUtils,
+      castor::log::Logger &log,
+      const DriveConfig &driveConfig,
+      System::virtualWrapper &sysWrapper,
+      const uint32_t driveReadyDelayInSeconds);
+    
+    /** 
+     * Execute the session and return the type of action to be performed
+     * immediately after the session has completed.
+     *
+     * @return Returns the type of action to be performed after the session has
+     * completed.
+     */
+    EndOfSessionAction execute() throw();
+    
+  private:
+
+    /**
+     * Object providing support for UNIX capabilities.
+     */
+    server::ProcessCap &m_capUtils;
+    
+    /**
+     * The logging object     
+     */
+    castor::log::Logger & m_log;
+    
+    /**
+     * The configuration of the tape drive to be probed.
+     */
+    const DriveConfig m_driveConfig;
+    
+    /**
+     * The system wrapper used to find the device and instantiate the drive object
+     */
+    System::virtualWrapper & m_sysWrapper;
+
+    /**
+     * The maximum number of seconds to wait for the drive to be ready with a
+     * tape inside of it.
+     */
+    const uint32_t m_driveReadyDelayInSeconds;
+
+    /** 
+     * Execute the session and return the type of action to be performed
+     * immediately after the session has completed.
+     *
+     * @return Returns the type of action to be performed after the session has
+     * completed.
+     */
+    EndOfSessionAction exceptionThrowingExecute();
+
+    /**
+     * Sets the capabilities of the process and logs the result.
+     *
+     * @param capabilities The string representation of the capabilities.
+     */
+    void setProcessCapabilities(const std::string &capabilities);
+
+    /**
+     * Creates and returns the object that represents the tape drive to be
+     * probed.
+     *
+     * @return The tape drive.
+     */
+    std::auto_ptr<drive::DriveInterface> createDrive();
+
+    /**
+     * Waits for the specified drive to be ready.
+     *
+     * @param drive The tape drive.
+     */
+    void waitUntilDriveIsReady(drive::DriveInterface &drive);
+    
+  }; // class ProbeSession
+
+} // namespace daemon
+} // namespace tapeserver
+} // namespace tape
+} // namespace castor

castor/tape/tapeserver/daemon/ProcessForker.cpp

@@ -32,6 +32,7 @@
 #include "castor/messages/ForkCleaner.pb.h"
 #include "castor/messages/ForkDataTransfer.pb.h"
 #include "castor/messages/ForkLabel.pb.h"
+#include "castor/messages/ForkProbe.pb.h"
 #include "castor/messages/ForkSucceeded.pb.h"
 #include "castor/messages/ProcessCrashed.pb.h"
 #include "castor/messages/ProcessExited.pb.h"
@@ -44,6 +45,7 @@
 #include "castor/tape/tapeserver/daemon/DataTransferSession.hpp"
 #include "castor/tape/tapeserver/daemon/DriveConfig.hpp"
 #include "castor/tape/tapeserver/daemon/LabelSession.hpp"
+#include "castor/tape/tapeserver/daemon/ProbeSession.hpp"
 #include "castor/tape/tapeserver/daemon/ProcessForker.hpp"
 #include "castor/tape/tapeserver/daemon/ProcessForkerUtils.hpp"
 #include "castor/utils/SmartArrayPtr.hpp"
@@ -256,6 +258,8 @@ castor::tape::tapeserver::daemon::ProcessForker::MsgHandlerResult
   switch(frame.type) {
   case messages::MSG_TYPE_FORKCLEANER:
     return handleForkCleanerMsg(frame);
+  case messages::MSG_TYPE_FORKPROBE:
+    return handleForkProbeMsg(frame);
   case messages::MSG_TYPE_FORKDATATRANSFER:
     return handleForkDataTransferMsg(frame);
   case messages::MSG_TYPE_FORKLABEL:
@@ -329,6 +333,62 @@ castor::tape::tapeserver::daemon::ProcessForker::MsgHandlerResult
   }
 }
 
+//------------------------------------------------------------------------------
+// handleForkProbeMsg
+//------------------------------------------------------------------------------
+castor::tape::tapeserver::daemon::ProcessForker::MsgHandlerResult 
+  castor::tape::tapeserver::daemon::ProcessForker::handleForkProbeMsg(
+  const ProcessForkerFrame &frame) {
+
+  // Parse the incoming request
+  messages::ForkProbe rqst;
+  ProcessForkerUtils::parsePayload(frame, rqst);
+
+  // Log the contents of the incomming request
+  std::list<log::Param> params;
+  params.push_back(log::Param("unitName", rqst.unitname()));
+  params.push_back(log::Param("driveReadyDelayInSeconds",
+    rqst.drivereadydelayinseconds()));
+  m_log(LOG_INFO, "ProcessForker handling ForkProbe message", params);
+
+  // Fork a label session
+  const pid_t forkRc = fork();
+
+  // If fork failed
+  if(0 > forkRc) {
+    return createExceptionResult(SEINTERNAL,
+      "Failed to fork probe session for tape drive", true);
+
+  // Else if this is the parent process
+  } else if(0 < forkRc) {
+    log::Param params[] = {log::Param("pid", forkRc)};
+    m_log(LOG_INFO, "ProcessForker forked probe session", params);
+
+    return createForkSucceededResult(forkRc, true);
+
+  // Else this is the child process
+  } else {
+    closeCmdReceiverSocket();
+
+    castor::utils::setProcessNameAndCmdLine(m_argv0, "probe");
+
+    try {
+      exit(runProbeSession(rqst));
+    } catch(castor::exception::Exception &ne) {
+      log::Param params[] = {log::Param("message", ne.getMessage().str())};
+      m_log(LOG_ERR, "Probe session failed", params);
+    } catch(std::exception &ne) {
+      log::Param params[] = {log::Param("message", ne.what())};
+      m_log(LOG_ERR, "Probe session failed", params);
+    } catch(...) {
+      log::Param params[] = {log::Param("message",
+        "Caught an unknown exception")};
+      m_log(LOG_ERR, "Probe session failed", params);
+    }
+    exit(Session::MARK_DRIVE_AS_DOWN);
+  }
+}
+
 //------------------------------------------------------------------------------
 // handleForkDataTransferMsg
 //------------------------------------------------------------------------------
@@ -509,6 +569,47 @@ castor::tape::tapeserver::daemon::Session::EndOfSessionAction
   }
 }
 
+//------------------------------------------------------------------------------
+// runProbeSession
+//------------------------------------------------------------------------------
+castor::tape::tapeserver::daemon::Session::EndOfSessionAction
+  castor::tape::tapeserver::daemon::ProcessForker::runProbeSession(
+  const messages::ForkProbe &rqst) {
+  try {
+    server::ProcessCap capUtils;
+
+    const DriveConfig driveConfig = getDriveConfig(rqst);
+    std::list<log::Param> params;
+    params.push_back(log::Param("unitName", driveConfig.getUnitName()));
+    m_log(LOG_INFO, "Probe-session child-process started", params);
+
+    const int sizeOfIOThreadPoolForZMQ = 1;
+    messages::SmartZmqContext
+      zmqContext(instantiateZmqContext(sizeOfIOThreadPoolForZMQ));
+
+    messages::AcsProxyZmq acs(acs::ACS_PORT, zmqContext.get());
+
+    castor::tape::System::realWrapper sWrapper;
+    ProbeSession probeSession(
+      capUtils,
+      m_log,
+      driveConfig,
+      sWrapper,
+      rqst.drivereadydelayinseconds());
+    return probeSession.execute();
+  } catch(castor::exception::Exception &ex) {
+    throw ex;
+  } catch(std::exception &se) {
+    castor::exception::Exception ex;
+    ex.getMessage() << se.what();
+    throw ex;
+  } catch(...) {
+    castor::exception::Exception ex;
+    ex.getMessage() << "Caught an unknown exception";
+    throw ex;
+  }
+}
+
 //------------------------------------------------------------------------------
 // runDataTransferSession
 //------------------------------------------------------------------------------

castor/tape/tapeserver/daemon/ProcessForker.hpp

@@ -28,6 +28,7 @@
 #include "castor/messages/ForkCleaner.pb.h"
 #include "castor/messages/ForkDataTransfer.pb.h"
 #include "castor/messages/ForkLabel.pb.h"
+#include "castor/messages/ForkProbe.pb.h"
 #include "castor/tape/tapeserver/daemon/DataTransferSession.hpp"
 #include "castor/tape/tapeserver/daemon/ProcessForkerFrame.hpp"
 #include "castor/tape/tapeserver/daemon/TapeDaemonConfig.hpp"
@@ -219,6 +220,14 @@ private:
    * @return The result of the message handler.
    */
   MsgHandlerResult handleForkCleanerMsg(const ProcessForkerFrame &frame);
+  
+  /**
+   * Handles a ForkProbe message.
+   *
+   * @param frame The frame containing the message.
+   * @return The result of the message handler.
+   */
+  MsgHandlerResult handleForkProbeMsg(const ProcessForkerFrame &frame);
 
   /**
    * Runs a cleaner session.  This method is to be called within the child
@@ -228,6 +237,15 @@ private:
    * @return The value to be used when exiting the child process.
    */
   Session::EndOfSessionAction runCleanerSession(const messages::ForkCleaner &rqst);
+  
+  /**
+   * Runs a probe session.  This method is to be called within the child
+   * process responsible for running the probe session.
+   *
+   * @param rqst The ForkProbe message.
+   * @return The value to be used when exiting the child process.
+   */
+  Session::EndOfSessionAction runProbeSession(const messages::ForkProbe &rqst);
 
   /**
    * Runs a data-transfer session.  This method is to be called within the

castor/tape/tapeserver/daemon/ProcessForkerProxy.hpp

@@ -87,6 +87,17 @@ public:
    */
   virtual pid_t forkCleaner(const DriveConfig &driveConfig,
     const std::string &vid, const uint32_t driveReadyDelayInSeconds) = 0;
+  
+  /**
+   * Forks a probe session for the specified tape drive.
+   *
+   * @param driveConfig The configuration of the tape drive.
+   * @param driveReadyDelayInSeconds The maximum number of seconds to wait for
+   * the drive to be raedy with a tape inside of it.
+   * @return The process identifier of the newly forked session.
+   */
+  virtual pid_t forkProbe(const DriveConfig &driveConfig, 
+    const uint32_t driveReadyDelayInSeconds) = 0;
 
 }; // class ProcessForkerProxy
 

castor/tape/tapeserver/daemon/ProcessForkerProxyDummy.cpp

@@ -60,3 +60,13 @@ pid_t castor::tape::tapeserver::daemon::ProcessForkerProxyDummy::
   // This is a dummy method and so intentionally does nothing
   return 0;
 }
+
+//------------------------------------------------------------------------------
+// forkProbe
+//------------------------------------------------------------------------------
+pid_t castor::tape::tapeserver::daemon::ProcessForkerProxyDummy::
+  forkProbe(const DriveConfig &driveConfig,
+  const uint32_t driveReadyDelayInSeconds) {
+  // This is a dummy method and so intentionally does nothing
+  return 0;
+}

castor/tape/tapeserver/daemon/ProcessForkerProxyDummy.hpp

@@ -93,6 +93,17 @@ public:
    */