Added DriveCatalogue::driveState2Str()

castor/tape/tapeserver/daemon/DriveCatalogue.cpp

@@ -28,6 +28,20 @@
 
 #include <string.h>
 
+//-----------------------------------------------------------------------------
+// driveState2Str
+//-----------------------------------------------------------------------------
+const char *castor::tape::tapeserver::daemon::DriveCatalogue::driveState2Str(
+  const DriveState state) const throw() {
+  switch(state) {
+  case DRIVE_STATE_INIT:    return "INIT";
+  case DRIVE_STATE_DOWN:    return "DOWN";
+  case DRIVE_STATE_UP:      return "UP";
+  case DRIVE_STATE_RUNNING: return "RUNNING";
+  default:                  return "UNKNOWN";
+  }
+}
+
 //-----------------------------------------------------------------------------
 // populateCatalogue
 //-----------------------------------------------------------------------------

castor/tape/tapeserver/daemon/DriveCatalogue.hpp

@@ -94,6 +94,18 @@ public:
   enum DriveState { DRIVE_STATE_INIT, DRIVE_STATE_DOWN, DRIVE_STATE_UP,
     DRIVE_STATE_RUNNING };
 
+  /**
+   * Returns the string representation of the specified tape-drive state.
+   *
+   * Please note that this method does not throw an exception and to that end
+   * will return the string "UNKNOWN" if the string representation of the
+   * specified drive state is unknown.
+   *
+   * @param state The numerical tape-drive state.
+   * @return The string representation if known else "UNKNOWN".
+   */
+  const char *driveState2Str(const DriveState state) const throw();
+
   /**
    * Poplates the catalogue using the specified parsed lines from
    * /etc/castor/TPCONFIG.

castor/tape/tapeserver/daemon/DriveCatalogueTest.cpp

@@ -39,6 +39,21 @@ protected:
   }
 };
 
+TEST_F(castor_tape_tapeserver_daemon_DriveCatalogueTest, driveState2Str) {
+  using namespace castor::tape::tapeserver::daemon;
+
+  DriveCatalogue catalogue;
+
+  ASSERT_EQ(std::string("INIT"),
+    catalogue.driveState2Str(DriveCatalogue::DRIVE_STATE_INIT));
+  ASSERT_EQ(std::string("DOWN"),
+    catalogue.driveState2Str(DriveCatalogue::DRIVE_STATE_DOWN));
+  ASSERT_EQ(std::string("UP"),
+    catalogue.driveState2Str(DriveCatalogue::DRIVE_STATE_UP));
+  ASSERT_EQ(std::string("RUNNING"),
+    catalogue.driveState2Str(DriveCatalogue::DRIVE_STATE_RUNNING));
+}
+
 TEST_F(castor_tape_tapeserver_daemon_DriveCatalogueTest, goodDayPopulate) {
   using namespace castor::tape::tapeserver::daemon;