Added the cta-mediachanger-mount and dismount utilities

cta.spec.in

@@ -218,3 +218,15 @@ Scripts and utilities to faciliate working with the CTA catalogue
 %attr(0644,root,bin) %doc /usr/share/man/man1/cta-catalogue-schema-lock.1cta.gz
 %attr(0644,root,bin) %doc /usr/share/man/man1/cta-catalogue-schema-status.1cta.gz
 %attr(0644,root,bin) %doc /usr/share/man/man1/cta-catalogue-schema-unlock.1cta.gz
+
+%package -n cta-mediachangerutils
+Summary: Utilities to faciliate working with mediachangers
+Group: Application/CTA
+%description -n cta-mediachangerutils
+CERN Tape Archive:
+Utilities to faciliate working with the mediachangers
+%files -n cta-mediachangerutils
+%attr(0755,root,root) %{_bindir}/cta-mediachanger-dismount
+%attr(0755,root,root) %{_bindir}/cta-mediachanger-mount
+%attr(0644,root,bin) %doc /usr/share/man/man1/cta-mediachanger-dismount.1cta.gz
+%attr(0644,root,bin) %doc /usr/share/man/man1/cta-mediachanger-mount.1cta.gz

tapeserver/castor/exception/MissingOperand.cpp

@@ -22,12 +22,11 @@
  *****************************************************************************/
 
 #include "castor/exception/MissingOperand.hpp"
-#include "serrno.h"
 
 
 // -----------------------------------------------------------------------------
 // Constructor
 // -----------------------------------------------------------------------------
 castor::exception::MissingOperand::MissingOperand():
-  castor::exception::Exception(SEMISSINGOPER) {
+  castor::exception::Exception(666) {
 }

tapeserver/castor/legacymsg/RmcProxyTcpIp.cpp

@@ -67,8 +67,7 @@ void castor::legacymsg::RmcProxyTcpIp::mountTapeReadWrite(
     castor::utils::copyString(rqstBody.vid, vid);
     rqstBody.drvOrd = librarySlot.getDrvOrd();
 
-    rmcSendRecvNbAttempts(m_maxRqstAttempts, librarySlot.getRmcHostName(),
-      rqstBody);
+    rmcSendRecvNbAttempts(m_maxRqstAttempts, rqstBody);
   } catch(castor::exception::Exception &ne) {
     castor::exception::Exception ex;
     ex.getMessage() <<
@@ -92,8 +91,7 @@ void castor::legacymsg::RmcProxyTcpIp::dismountTape(const std::string &vid,
     rqstBody.drvOrd = librarySlot.getDrvOrd();
     rqstBody.force = 0;
 
-    rmcSendRecvNbAttempts(m_maxRqstAttempts, librarySlot.getRmcHostName(),
-      rqstBody);
+    rmcSendRecvNbAttempts(m_maxRqstAttempts, rqstBody);
   } catch(castor::exception::Exception &ne) {
     castor::exception::Exception ex;
     ex.getMessage() <<
@@ -116,8 +114,9 @@ void castor::legacymsg::RmcProxyTcpIp::forceDismountTape(const std::string &vid,
 //-----------------------------------------------------------------------------
 // connectToRmc
 //-----------------------------------------------------------------------------
-int castor::legacymsg::RmcProxyTcpIp::connectToRmc(const std::string &rmcHost)
+int castor::legacymsg::RmcProxyTcpIp::connectToRmc()
   const {
+  const std::string rmcHost = "localhost";
   castor::utils::SmartFd smartConnectSock;
   try {
     smartConnectSock.reset(io::connectWithTimeout(rmcHost, m_rmcPort,

tapeserver/castor/legacymsg/RmcProxyTcpIp.hpp

@@ -30,8 +30,8 @@
 #include "castor/utils/utils.hpp"
 #include "h/rmc_constants.h"
 
-#include <sys/types.h>
 #include <unistd.h>
+#include <sys/types.h>
 
 /*
  *------------------------------------------------------------------------
@@ -39,17 +39,17 @@
  *------------------------------------------------------------------------
  */
 #define ERMBASEOFF      2200            /* RMC error base offset        */
-#define	ERMCNACT	ERMBASEOFF+1	/* Remote SCSI media changer server not active or service being drained */
-#define	ERMCRBTERR	(ERMBASEOFF+2)	/* Remote SCSI media changer error */
-#define	ERMCUNREC	ERMCRBTERR+1	/* Remote SCSI media changer unrec. error */
-#define	ERMCSLOWR	ERMCRBTERR+2	/* Remote SCSI media changer error (slow retry) */
-#define	ERMCFASTR	ERMCRBTERR+3	/* Remote SCSI media changer error (fast retry) */
-#define	ERMCDFORCE	ERMCRBTERR+4	/* Remote SCSI media changer error (demount force) */
-#define	ERMCDDOWN	ERMCRBTERR+5	/* Remote SCSI media changer error (drive down) */
-#define	ERMCOMSGN	ERMCRBTERR+6	/* Remote SCSI media changer error (ops message) */
-#define	ERMCOMSGS	ERMCRBTERR+7	/* Remote SCSI media changer error (ops message + retry) */
-#define	ERMCOMSGR	ERMCRBTERR+8	/* Remote SCSI media changer error (ops message + wait) */
-#define	ERMCUNLOAD	ERMCRBTERR+9	/* Remote SCSI media changer error (unload + demount) */
+#define        ERMCNACT        ERMBASEOFF+1    /* Remote SCSI media changer server not active or service being drained */
+#define        ERMCRBTERR      (ERMBASEOFF+2)  /* Remote SCSI media changer error */
+#define        ERMCUNREC       ERMCRBTERR+1    /* Remote SCSI media changer unrec. error */
+#define        ERMCSLOWR       ERMCRBTERR+2    /* Remote SCSI media changer error (slow retry) */
+#define        ERMCFASTR       ERMCRBTERR+3    /* Remote SCSI media changer error (fast retry) */
+#define        ERMCDFORCE      ERMCRBTERR+4    /* Remote SCSI media changer error (demount force) */
+#define        ERMCDDOWN       ERMCRBTERR+5    /* Remote SCSI media changer error (drive down) */
+#define        ERMCOMSGN       ERMCRBTERR+6    /* Remote SCSI media changer error (ops message) */
+#define        ERMCOMSGS       ERMCRBTERR+7    /* Remote SCSI media changer error (ops message + retry) */
+#define        ERMCOMSGR       ERMCRBTERR+8    /* Remote SCSI media changer error (ops message + wait) */
+#define        ERMCUNLOAD      ERMCRBTERR+9    /* Remote SCSI media changer error (unload + demount) */
 #define ERMMAXERR       ERMBASEOFF+11
 
 namespace castor {
@@ -153,10 +153,11 @@ protected:
   /**
    * Connects to the rmcd daemon.
    *
-   * @param rmcHost The name of the host on which the rmcd daemon is running.
+   * Please note that the rmcd daemon only listens on loopback interface.
+   *
    * @return The socket-descriptor of the connection with the rmcd daemon.
    */
-  int connectToRmc(const std::string &rmcHost) const ;
+  int connectToRmc() const ;
 
   /**
    * Writes an RMC_SCSI_MOUNT message with the specifed body to the specified
@@ -190,14 +191,13 @@ protected:
    * reached.
    *
    * @param maxAttempts The maximum number of retriable attempts.
-   * @param rmcHost The name of the host on which the rmcd daemon is running.
    * @param rqstBody The request to be sent.
    */
   template<typename T> void rmcSendRecvNbAttempts(const int maxAttempts,
-    const std::string &rmcHost, const T &rqstBody) {
+    const T &rqstBody) {
     for(int attemptNb = 1; attemptNb <= maxAttempts; attemptNb++) {
       std::ostringstream rmcErrorStream;
-      const int rmcRc = rmcSendRecv(rmcHost, rqstBody, rmcErrorStream);
+      const int rmcRc = rmcSendRecv(rqstBody, rmcErrorStream);
       switch(rmcRc) {
       case 0: // Success
         return;
@@ -232,16 +232,15 @@ protected:
   /**
    * Sends the specified request to the rmcd daemon and receives the reply.
    *
-   * @param rmcHost The name of the host on which the rmcd daemon is running.
    * @param rqstBody The request to be sent.
    * @param rmcErrorStream The error stream constructed from ERR_MSG received
    * within the reply from the rmcd daemon.
    * @param The RMC return code.
    */
-  template<typename T> int rmcSendRecv(const std::string &rmcHost,
-    const T &rqstBody, std::ostringstream &rmcErrorStream) {
+  template<typename T> int rmcSendRecv(const T &rqstBody,
+    std::ostringstream &rmcErrorStream) {
     // Connect to rmcd and send request
-    castor::utils::SmartFd fd(connectToRmc(rmcHost));
+    castor::utils::SmartFd fd(connectToRmc());
     {
       char buf[RMC_MSGBUFSIZ];
       const size_t len = marshal(buf, rqstBody);

tapeserver/castor/mediachanger/CMakeLists.txt

@@ -14,12 +14,12 @@
 # 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
 #
 cmake_minimum_required (VERSION 2.6)
 
 include_directories(${CMAKE_SOURCE_DIR}/tapeserver)
+include_directories(${PROJECT_BINARY_DIR}/tapeserver)
 
 set (MEDIA_CHANGER_LIB_SRC_FILES
   AcsLibrarySlot.cpp
@@ -37,3 +37,46 @@ add_library(ctamediachanger ${MEDIA_CHANGER_LIB_SRC_FILES})
 add_library(ctamediachangerutils SHARED
   MmcProxyDummy.cpp)
 install(TARGETS ctamediachangerutils DESTINATION usr/${CMAKE_INSTALL_LIBDIR})
+
+set (MEDIA_CHANGER_MOUNT_SRC_FILES
+  CmdLine.cpp
+  CmdLineTool.cpp
+  DebugBuf.cpp
+  MountCmd.cpp
+  MountCmdLine.cpp
+  MountCmdMain.cpp)
+add_executable (cta-mediachanger-mount ${MEDIA_CHANGER_MOUNT_SRC_FILES})
+set_target_properties (cta-mediachanger-mount PROPERTIES
+  COMPILE_FLAGS -I/usr/include/CDK
+  COMPILE_DEFINITIONS LINUX)
+target_link_libraries (cta-mediachanger-mount
+  ctacommon
+  ctalegacymsg
+  ctamediachanger
+  ctamessages
+  ctautils
+  ctaio)
+install (TARGETS cta-mediachanger-mount DESTINATION /usr/bin)
+install (FILES ${CMAKE_CURRENT_SOURCE_DIR}/cta-mediachanger-mount.1cta DESTINATION /usr/share/man/man1)
+
+set (MEDIA_CHANGER_DISMOUNT_SRC_FILES
+  CmdLine.cpp
+  CmdLineTool.cpp
+  DebugBuf.cpp
+  DismountCmd.cpp
+  DismountCmdLine.cpp
+  DismountCmdMain.cpp)
+add_executable (cta-mediachanger-dismount
+  ${MEDIA_CHANGER_DISMOUNT_SRC_FILES})
+set_target_properties (cta-mediachanger-dismount PROPERTIES
+  COMPILE_FLAGS -I/usr/include/CDK
+  COMPILE_DEFINITIONS LINUX)
+target_link_libraries (cta-mediachanger-dismount
+  ctacommon
+  ctalegacymsg
+  ctamediachanger
+  ctamessages
+  ctautils
+  ctaio)
+install (TARGETS cta-mediachanger-dismount DESTINATION /usr/bin)
+install (FILES ${CMAKE_CURRENT_SOURCE_DIR}/cta-mediachanger-dismount.1cta DESTINATION /usr/share/man/man1)

tapeserver/castor/mediachanger/CmdLine.cpp

@@ -24,6 +24,7 @@
 #include "castor/mediachanger/CmdLine.hpp"
 #include "castor/exception/InvalidArgument.hpp"
 #include "castor/exception/MissingOperand.hpp"
+#include <getopt.h>
 
 //------------------------------------------------------------------------------
 // handleMissingParameter

tapeserver/castor/mediachanger/CmdLineTool.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/mediachanger/CmdLineTool.hpp"
+
+//------------------------------------------------------------------------------
+// constructor
+//------------------------------------------------------------------------------
+castor::mediachanger::CmdLineTool::CmdLineTool(
+  std::istream &inStream,
+  std::ostream &outStream,
+  std::ostream &errStream,
+  MediaChangerFacade &mc) throw():
+  m_in(inStream),
+  m_out(outStream),
+  m_err(errStream),
+  m_mc(mc),
+  m_debugBuf(outStream),
+  m_dbg(&m_debugBuf) {
+}
+
+//------------------------------------------------------------------------------
+// destructor
+//------------------------------------------------------------------------------
+castor::mediachanger::CmdLineTool::~CmdLineTool() throw() {
+}
+
+//------------------------------------------------------------------------------
+// bool2Str
+//------------------------------------------------------------------------------
+std::string castor::mediachanger::CmdLineTool::bool2Str(const bool value)
+  const throw() {
+  return value ? "TRUE" : "FALSE";
+}

tapeserver/castor/mediachanger/CmdLineTool.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/mediachanger/MediaChangerFacade.hpp"
+#include "castor/mediachanger/DebugBuf.hpp"
+
+#include <istream>
+#include <ostream>
+#include <string>
+
+namespace castor {
+namespace mediachanger {
+
+/**
+ * Abstract class implementing common code and data structures for a
+ * command-line tool.
+ */
+class CmdLineTool {
+public:
+  /**
+   * Constructor.
+   *
+   * @param inStream Standard input stream.
+   * @param outStream Standard output stream.
+   * @param errStream Standard error stream.
+   * @param mc Interface to the media changer.
+   */
+  CmdLineTool(std::istream &inStream, std::ostream &outStream,
+    std::ostream &errStream, MediaChangerFacade &mc)
+    throw();
+
+  /**
+   * Pure-virtual destructor to guarantee this class is abstract.
+   */
+  virtual ~CmdLineTool() throw() = 0;
+
+protected:
+
+  /**
+   * Standard input stream.
+   */
+  std::istream &m_in;
+
+  /**
+   * Standard output stream.
+   */
+  std::ostream &m_out;
+
+  /**
+   * Standard error stream.
+   */
+  std::ostream &m_err;
+
+  /**
+   * Interface to the media changer.
+   */
+  MediaChangerFacade &m_mc;
+
+  /**
+   * Debug stream buffer that inserts a standard debug preamble before each
+   * message-line written to it.
+   */
+  DebugBuf m_debugBuf;
+
+  /**
+   * Stream used to write debug messages.
+   *
+   * This stream will insert a standard debug preamble before each message-line
+   * written to it.
+   */
+  std::ostream m_dbg;
+
+  /**
+   * Returns the string representation of the specfied boolean value.
+   *
+   * @param value The boolean value.
+   */
+  std::string bool2Str(const bool value) const throw();
+
+}; // class CmdLineTool
+
+} // namespace mediachanger
+} // namespace castor

tapeserver/castor/mediachanger/DebugBuf.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/mediachanger/DebugBuf.hpp"
+
+//------------------------------------------------------------------------------
+// constructor
+//------------------------------------------------------------------------------
+castor::mediachanger::DebugBuf::DebugBuf(std::ostream &os):
+  m_debug(false), m_os(os), m_writePreamble(true) {
+}
+
+//------------------------------------------------------------------------------
+// destructor
+//------------------------------------------------------------------------------
+castor::mediachanger::DebugBuf::~DebugBuf() {
+}
+
+//------------------------------------------------------------------------------
+// setDebug
+//------------------------------------------------------------------------------
+void castor::mediachanger::DebugBuf::setDebug(const bool value) throw() {
+  m_debug = value;
+}
+
+//------------------------------------------------------------------------------
+// overflow
+//------------------------------------------------------------------------------
+std::streambuf::int_type castor::mediachanger::DebugBuf::overflow(
+  const int_type c) {
+  // Only write something if debug mode is on
+  if(m_debug) {
+    if(m_writePreamble) {
+      writePreamble();
+      m_writePreamble = false;
+    }
+    m_os << (char)c;
+  }
+
+  // If an end of line was encountered then the next write should be preceeded
+  // with a preamble
+  if('\n' == (char)c) {
+    m_writePreamble = true;
+  }
+
+  return c;
+}
+
+//------------------------------------------------------------------------------
+// writePreamble
+//------------------------------------------------------------------------------
+void castor::mediachanger::DebugBuf::writePreamble() throw() {
+  m_os << "DEBUG: ";
+}

tapeserver/castor/mediachanger/DebugBuf.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 <ostream>
+#include <streambuf>
+
+namespace castor {
+namespace mediachanger {
+
+/**
+ * Stream buffer class used to prepend a standard preamble to debug
+ * message-lines.
+ *
+ * This stream buffer does not write any output if debug mode has not been
+ * turned on by calling setDebugMode(true).  Any debug message written to this
+ * stream buffer will be discarded if debug mode is off.
+ */
+class DebugBuf : public std::streambuf {
+public:
+
+  /**
+   * Constructor.
+   *
+   * Initialises the the debug mode to be off.
+   *
+   * @param os The output stream to which each debug message-line togther with
+   * its standard preamble shall be written.
+   */
+  DebugBuf(std::ostream &os);
+
+  /**
+   * Destructor.
+   */
+  ~DebugBuf();
+
+  /**
+   * Set the debug mode to be on (true) or off (false).
+   *
+   * The default set in the constructor is off (false).
+   */
+  void setDebug(const bool value) throw();
+
+protected:
+
+  /**
+   * Sends the specified character to the output channnel.
+   */
+  int_type overflow (const int_type c);
+
+  /**
+   * Writes the standard preamble to the output stream.
+   */
+  void writePreamble() throw();
+
+private:
+
+  /**
+   * True if debug mode is on.
+   */
+  bool m_debug;
+
+  /**
+   * The output stream to which each debug message-line togther with its
+   * standard preamble shall be written.
+   */
+  std::ostream &m_os;
+
+  /**
+   * True is a preamble should be written.
+   */
+  bool m_writePreamble;
+
+}; // class DebugBuf
+
+} // namespace mediachanger
+} // namespace castor

tapeserver/castor/mediachanger/DismountCmd.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/mediachanger/DismountCmd.hpp"
+
+#include <getopt.h>
+#include <iostream>
+#include <memory>
+ 
+//------------------------------------------------------------------------------
+// constructor
+//------------------------------------------------------------------------------
+castor::mediachanger::DismountCmd::DismountCmd(
+  std::istream &inStream, std::ostream &outStream, std::ostream &errStream,
+  MediaChangerFacade &mc) throw():
+  CmdLineTool(inStream, outStream, errStream, mc) {
+}
+
+//------------------------------------------------------------------------------
+// destructor
+//------------------------------------------------------------------------------
+castor::mediachanger::DismountCmd::~DismountCmd() throw() {
+  // Do nothing
+}
+
+//------------------------------------------------------------------------------
+// exceptionThrowingMain
+//------------------------------------------------------------------------------
+int castor::mediachanger::DismountCmd::exceptionThrowingMain(const int argc,
+  char *const *const argv) {
+  try {
+    m_cmdLine = DismountCmdLine(argc, argv);
+  } catch(castor::exception::Exception &ex) {
+    m_err << ex.getMessage().str() << std::endl;
+    m_err << std::endl;