Package org.xtreemfs.babudb.pbrpc.GlobalTypes

Examples of org.xtreemfs.babudb.pbrpc.GlobalTypes.Chunk

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                return Chunk.getDefaultInstance();
            }

            @Override
            public void processRequest(Request rq) {
                Chunk req = (Chunk) rq.getRequestMessage();
                assertEquals(fileName, req.getFileName());
                assertEquals(offsetStart, req.getStart());
                assertEquals(offsetEnd, req.getEnd());
               
                rq.sendSuccess(ErrorCodeResponse.getDefaultInstance(),
                        ReusableBuffer.wrap(chunkResult.getBytes()));
            }
        });
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     * @see org.xtreemfs.babudb.replication.transmission.dispatcher.Operation#
     *          processRequest(org.xtreemfs.babudb.replication.transmission.dispatcher.Request)
     */
    @Override
    public void processRequest(Request rq) {
        Chunk chunk = (Chunk) rq.getRequestMessage();
        int length = (int) (chunk.getEnd() - chunk.getStart());
     
        Logging.logMessage(Logging.LEVEL_INFO, this,
                "%s request received from %s", chunk.toString(),
                rq.getSenderAddress().toString());
       
        FileChannel channel = null;
        ReusableBuffer payload = null;
        try {
            // get the requested chunk
            channel = new FileInputStream(chunk.getFileName()).getChannel();
            ByteBuffer buffer = ByteBuffer.allocate(length);
            if (channel.read(buffer, chunk.getStart()) != length)
                throw new Exception();
           
            buffer.flip();
            payload = new ReusableBuffer(buffer);
            rq.sendSuccess(ErrorCodeResponse.getDefaultInstance(), payload);
           
        } catch (Exception e) {
           
            if (e.getMessage() == null) {
                Logging.logError(Logging.LEVEL_WARN, this, e);
            } else {
                Logging.logMessage(Logging.LEVEL_INFO, this,
                        "The requested chunk (%s) is not" +
                        " available anymore, because: %s",
                        chunk.toString(), e.getMessage());
            }
            rq.sendSuccess(
                    ErrorCodeResponse.newBuilder().setErrorCode(
                            ErrorCode.FILE_UNAVAILABLE).build());
        } finally {
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Related Classes of org.xtreemfs.babudb.pbrpc.GlobalTypes.Chunk

  • org.xtreemfs.babudb.replication.service.operations.ChunkOperation
  • org.xtreemfs.babudb.replication.transmission.PBRPCTest
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