Examples of org.jscsi.scsi.protocol.cdb.CDB

org.jscsi.scsi.protocol.cdb.CDB
A SCSI command descriptor block (CDB). Many CDB objects are divided into "transfer" and "parameter" commands.
Transfer commands like WRITE and READ contain a logical block address and a transfer length. The transfer direction is indicated by the command type.
Parameter commands like MODE SENSE, MODE SELECT, INQUIRY, and REPORT LUNS contain an allocation length or parameter length. The allocation length is the amount of space allocated by the initiator for return "input" data. The parameter length is the amount of incoming "output" data. The direction of transfer is indicated by which length field is non-zero. For example, a command with non-zero parameter length is sending data from the initiator to the target and the allocation length field will be zero; a command with non-zero allocation length is receiving data from the target to the initiator and the parameter length field will be zero. A command with both zero fields transmits no data.
Commands which do not require data transfer such as TEST UNIT READY will implement only this interface.

   //


   @Test
   public void TestReadWriteCompare6()
   {
      CDB cdb1 = new Write6(false, true, 10, NUM_BLOCKS_TRANSFER);
      Command cmd1 =
            new Command(this.transport.createNexus(this.cmdRef), cdb1, TaskAttribute.ORDERED,
                  this.cmdRef, 0);
      this.transport.createReadData(NUM_BLOCKS_TRANSFER * STORE_BLOCK_SIZE, this.cmdRef);
      lu.enqueue(this.transport, cmd1);
      this.cmdRef++;


      CDB cdb2 = new Read6(false, true, 10, NUM_BLOCKS_TRANSFER);
      Command cmd2 =
            new Command(this.transport.createNexus(this.cmdRef), cdb2, TaskAttribute.ORDERED,
                  this.cmdRef, 0);
      lu.enqueue(this.transport, cmd2);

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   }


   @Test
   public void TestReadWriteCompare10()
   {
      CDB cdb1 = new Write10(0, false, false, false, false, false, 10, NUM_BLOCKS_TRANSFER);
      Command cmd1 =
            new Command(this.transport.createNexus(this.cmdRef), cdb1, TaskAttribute.ORDERED,
                  this.cmdRef, 0);
      this.transport.createReadData(NUM_BLOCKS_TRANSFER * STORE_BLOCK_SIZE, this.cmdRef);
      lu.enqueue(this.transport, cmd1);
      this.cmdRef++;


      CDB cdb2 = new Read10(0, false, false, false, false, false, 10, NUM_BLOCKS_TRANSFER);
      Command cmd2 =
            new Command(this.transport.createNexus(this.cmdRef), cdb2, TaskAttribute.ORDERED,
                  this.cmdRef, 0);
      lu.enqueue(this.transport, cmd2);

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   }


   @Test
   public void TestReadWriteCompare12()
   {
      CDB cdb1 = new Write12(0, false, false, false, false, false, 10, NUM_BLOCKS_TRANSFER);
      Command cmd1 =
            new Command(this.transport.createNexus(this.cmdRef), cdb1, TaskAttribute.ORDERED,
                  this.cmdRef, 0);
      this.transport.createReadData(NUM_BLOCKS_TRANSFER * STORE_BLOCK_SIZE, this.cmdRef);
      lu.enqueue(this.transport, cmd1);
      this.cmdRef++;


      CDB cdb2 = new Read12(0, false, false, false, false, false, 10, NUM_BLOCKS_TRANSFER);
      Command cmd2 =
            new Command(this.transport.createNexus(this.cmdRef), cdb2, TaskAttribute.ORDERED,
                  this.cmdRef, 0);
      lu.enqueue(this.transport, cmd2);

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   }


   @Test
   public void TestReadWriteCompare16()
   {
      CDB cdb1 = new Write16(0, false, false, false, false, false, 10, NUM_BLOCKS_TRANSFER);
      Command cmd1 =
            new Command(this.transport.createNexus(this.cmdRef), cdb1, TaskAttribute.ORDERED,
                  this.cmdRef, 0);
      this.transport.createReadData(NUM_BLOCKS_TRANSFER * STORE_BLOCK_SIZE, this.cmdRef);
      lu.enqueue(this.transport, cmd1);
      this.cmdRef++;


      CDB cdb2 = new Read16(0, false, false, false, false, false, 10, NUM_BLOCKS_TRANSFER);
      Command cmd2 =
            new Command(this.transport.createNexus(this.cmdRef), cdb2, TaskAttribute.ORDERED,
                  this.cmdRef, 0);
      lu.enqueue(this.transport, cmd2);

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   {
      if (Thread.interrupted())
         throw new InterruptedException();


      // check how much data may be returned
      CDB cdb = this.command.getCommandDescriptorBlock();
      long transferLength = 0;
      if (cdb instanceof TransferCDB)
      {
         transferLength = ((TransferCDB) cdb).getTransferLength();
      }

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   }


   @Override
   protected void execute() throws InterruptedException, SenseException
   {
      CDB cdb = getCommand().getCommandDescriptorBlock();
      assert cdb instanceof Inquiry;


      Inquiry inquiryCDB = (Inquiry) cdb;


      if (inquiryCDB.isEVPD())

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   private Collection<ModePage> execute6(ModePageRegistry registry, byte pageCode, int subPageCode)
         throws ModeSenseException
   {
      // We allocate 200 bytes for return data
      CDB cdb = new ModeSense6(true, 0, pageCode, subPageCode, 200);


      TestTargetTransportPort port = new TestTargetTransportPort(null, false);
      Command command =
            new Command(new Nexus("initiator", "target", 0, 0), cdb, TaskAttribute.SIMPLE, 0, 0);
      InquiryDataRegistry inqreg = new StaticInquiryDataRegistry();

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   }


   private void performWrite6(int lba, int numBlocks, ByteBuffer data)
   {
      _logger.debug("********** WRITE6 MEMORY **********");
      CDB cdb = new Write6(false, true, lba, numBlocks);
      this.addReadData(numBlocks * STORE_BLOCK_SIZE, cmdRef, data);
      this.submitMemoryTask(cdb, cmdRef);
      this.purgeReadData(cmdRef);
      cmdRef++;
   }

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   }


   private void performWrite10(int lba, int numBlocks, ByteBuffer data)
   {
      _logger.debug("********** WRITE10 MEMORY **********");
      CDB cdb = new Write10(0, false, false, false, false, false, lba, numBlocks);
      this.addReadData(numBlocks * STORE_BLOCK_SIZE, cmdRef, data);
      this.submitMemoryTask(cdb, cmdRef);
      this.purgeReadData(cmdRef);
      cmdRef++;
   }

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   }


   private void performWrite12(int lba, int numBlocks, ByteBuffer data)
   {
      _logger.debug("********** WRITE12 MEMORY **********");
      CDB cdb = new Write12(0, false, false, false, false, false, lba, numBlocks);
      this.addReadData(numBlocks * STORE_BLOCK_SIZE, cmdRef, data);
      this.submitMemoryTask(cdb, cmdRef);
      this.purgeReadData(cmdRef);
      cmdRef++;
   }

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Related Classes of org.jscsi.scsi.protocol.cdb.CDB

org.jscsi.scsi.lu.DefaultLogicalUnitTest

org.jscsi.scsi.tasks.AbstractTask

org.jscsi.scsi.tasks.buffered.BufferedReadCapacityTaskTest

org.jscsi.scsi.tasks.buffered.BufferedReadTaskTest

org.jscsi.scsi.tasks.buffered.BufferedRequestSenseTaskTest

org.jscsi.scsi.tasks.buffered.BufferedUDCTaskTest

org.jscsi.scsi.tasks.buffered.BufferedWriteTaskTest

org.jscsi.scsi.tasks.lu.InquiryTask

org.jscsi.scsi.tasks.lu.ModeSenseTaskTest

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