SSDM-3996: New DSS FS: download of big files doesn't work via CIFS

SVN: 36883

datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/server/cifs/CifsFile.java

@@ -27,6 +27,7 @@ import ch.systemsx.cisd.base.io.IRandomAccessFile;
 import ch.systemsx.cisd.common.logging.LogCategory;
 import ch.systemsx.cisd.common.logging.LogFactory;
 import ch.systemsx.cisd.openbis.dss.generic.server.ftp.resolver.FtpFileImpl;
+import ch.systemsx.cisd.openbis.dss.generic.server.ftp.v3.file.V3FtpFileResponse;
 
 /**
  * @author Franz-Josef Elmer
@@ -108,6 +109,9 @@ final class CifsFile extends NetworkFile
             if (randomAccessFile == null && file instanceof FtpFileImpl)
             {
                 randomAccessFile = ((FtpFileImpl) file).getFileContent();
+            } else if (randomAccessFile == null && file instanceof V3FtpFileResponse)
+            {
+                randomAccessFile = ((V3FtpFileResponse) file).getFileContent();
             }
         }
     }

datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/server/ftp/v3/V3FtpPathResolverRegistry.java

@@ -97,7 +97,7 @@ public class V3FtpPathResolverRegistry implements IFtpPathResolverRegistry
             }
         } catch (Exception e)
         {
-            operationLog.warn(e);
+            operationLog.warn("Resolving "+path+" failed", e);
         }
         return new V3FtpNonExistingFile(path, "Error when retrieving path");
     }

datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/server/ftp/v3/file/V3FtpFileResponse.java

@@ -22,6 +22,7 @@ import java.util.List;
 
 import org.apache.ftpserver.ftplet.FtpFile;
 
+import ch.systemsx.cisd.base.io.IRandomAccessFile;
 import ch.systemsx.cisd.openbis.common.io.hierarchical_content.HierarchicalContentUtils;
 import ch.systemsx.cisd.openbis.common.io.hierarchical_content.api.IHierarchicalContent;
 import ch.systemsx.cisd.openbis.common.io.hierarchical_content.api.IHierarchicalContentNode;
@@ -40,6 +41,11 @@ public class V3FtpFileResponse extends AbstractFtpFile implements V3FtpFile
         this.content = content;
     }
 
+    public IRandomAccessFile getFileContent()
+    {
+        return node.getFileContent();
+    }
+
     @Override
     public boolean isFile()
     {