false, // last packet
-1 - random.nextInt(oneMil)); // bad datalen
hdr.write(sendOut);
sendResponse(Status.SUCCESS, "", null, recvOut);
new PipelineAck(100, new Status[]{Status.ERROR}).write(recvOut);
sendRecvData("negative DATA_CHUNK len while writing block " + newBlockId,
true);
// test for writing a valid zero size block
sendBuf.reset();
recvBuf.reset();
sender.writeBlock(new ExtendedBlock(poolId, ++newBlockId),
BlockTokenSecretManager.DUMMY_TOKEN, "cl",
new DatanodeInfo[1], null,
BlockConstructionStage.PIPELINE_SETUP_CREATE, 0, 0L, 0L, 0L,
DEFAULT_CHECKSUM);
hdr = new PacketHeader(
8, // size of packet
0, // OffsetInBlock
100, // sequencenumber
true, // lastPacketInBlock
0); // chunk length
hdr.write(sendOut);
sendOut.writeInt(0); // zero checksum
sendOut.flush();
//ok finally write a block with 0 len
sendResponse(Status.SUCCESS, "", null, recvOut);
new PipelineAck(100, new Status[]{Status.SUCCESS}).write(recvOut);
sendRecvData("Writing a zero len block blockid " + newBlockId, false);
/* Test OP_READ_BLOCK */
String bpid = cluster.getNamesystem().getBlockPoolId();