本文整理汇总了Java中org.apache.hadoop.hdfs.protocol.DataTransferProtocol.OP_STATUS_SUCCESS属性的典型用法代码示例。如果您正苦于以下问题：Java DataTransferProtocol.OP_STATUS_SUCCESS属性的具体用法？Java DataTransferProtocol.OP_STATUS_SUCCESS怎么用？Java DataTransferProtocol.OP_STATUS_SUCCESS使用的例子？那么恭喜您, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类org.apache.hadoop.hdfs.protocol.DataTransferProtocol的用法示例。
在下文中一共展示了DataTransferProtocol.OP_STATUS_SUCCESS属性的7个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: replaceBlock
private boolean replaceBlock( Block block, DatanodeInfo source,
DatanodeInfo sourceProxy, DatanodeInfo destination, int namespaceId) throws IOException {
Socket sock = new Socket();
sock.connect(NetUtils.createSocketAddr(
destination.getName()), HdfsConstants.READ_TIMEOUT);
sock.setKeepAlive(true);
// sendRequest
DataOutputStream out = new DataOutputStream(sock.getOutputStream());
out.writeShort(DataTransferProtocol.DATA_TRANSFER_VERSION);
out.writeByte(DataTransferProtocol.OP_REPLACE_BLOCK);
out.writeInt(namespaceId);
out.writeLong(block.getBlockId());
out.writeLong(block.getGenerationStamp());
Text.writeString(out, source.getStorageID());
sourceProxy.write(out);
out.flush();
// receiveResponse
DataInputStream reply = new DataInputStream(sock.getInputStream());
short status = reply.readShort();
if(status == DataTransferProtocol.OP_STATUS_SUCCESS) {
return true;
}
return false;
}
示例2: replaceBlock
private boolean replaceBlock( Block block, DatanodeInfo source,
DatanodeInfo sourceProxy, DatanodeInfo destination) throws IOException {
Socket sock = new Socket();
sock.connect(NetUtils.createSocketAddr(
destination.getName()), HdfsConstants.READ_TIMEOUT);
sock.setKeepAlive(true);
// sendRequest
DataOutputStream out = new DataOutputStream(sock.getOutputStream());
out.writeShort(DataTransferProtocol.DATA_TRANSFER_VERSION);
out.writeByte(DataTransferProtocol.OP_REPLACE_BLOCK);
out.writeLong(block.getBlockId());
out.writeLong(block.getGenerationStamp());
Text.writeString(out, source.getStorageID());
sourceProxy.write(out);
BlockTokenSecretManager.DUMMY_TOKEN.write(out);
out.flush();
// receiveResponse
DataInputStream reply = new DataInputStream(sock.getInputStream());
short status = reply.readShort();
if(status == DataTransferProtocol.OP_STATUS_SUCCESS) {
return true;
}
return false;
}
示例3: replaceBlock
private boolean replaceBlock( Block block, DatanodeInfo source,
DatanodeInfo sourceProxy, DatanodeInfo destination) throws IOException {
Socket sock = new Socket();
sock.connect(NetUtils.createSocketAddr(
destination.getName()), HdfsConstants.READ_TIMEOUT);
sock.setKeepAlive(true);
// sendRequest
DataOutputStream out = new DataOutputStream(sock.getOutputStream());
out.writeShort(DataTransferProtocol.DATA_TRANSFER_VERSION);
out.writeByte(DataTransferProtocol.OP_REPLACE_BLOCK);
out.writeLong(block.getBlockId());
out.writeLong(block.getGenerationStamp());
Text.writeString(out, source.getStorageID());
sourceProxy.write(out);
out.flush();
// receiveResponse
DataInputStream reply = new DataInputStream(sock.getInputStream());
short status = reply.readShort();
if(status == DataTransferProtocol.OP_STATUS_SUCCESS) {
return true;
}
return false;
}
示例4: receiveResponse
/**
* Receive a block copy response from the input stream
*/
private void receiveResponse(DataInputStream in) throws IOException {
short status = in.readShort();
if (status != DataTransferProtocol.OP_STATUS_SUCCESS) {
throw new IOException("block move is failed");
}
}
示例5: newBlockReader
public static BlockReader newBlockReader( int dataTransferVersion,
int namespaceId,
Socket sock, String file,
long blockId,
long genStamp,
long startOffset, long len,
int bufferSize, boolean verifyChecksum,
String clientName, long bytesToCheckReadSpeed,
long minSpeedBps, boolean reuseConnection,
FSClientReadProfilingData cliData,
ReadOptions options)
throws IOException {
// in and out will be closed when sock is closed (by the caller)
DataOutputStream out = new DataOutputStream(
new BufferedOutputStream(NetUtils.getOutputStream(sock,HdfsConstants.WRITE_TIMEOUT)));
//write the header.
ReadBlockHeader readBlockHeader = new ReadBlockHeader(
dataTransferVersion, namespaceId, blockId, genStamp, startOffset, len,
clientName, reuseConnection, cliData != null);
readBlockHeader.setReadOptions(options);
readBlockHeader.writeVersionAndOpCode(out);
readBlockHeader.write(out);
out.flush();
//
// Get bytes in block, set streams
//
DataInputStream in = new DataInputStream(
new BufferedInputStream(NetUtils.getInputStream(sock),
bufferSize));
if ( in.readShort() != DataTransferProtocol.OP_STATUS_SUCCESS ) {
throw new IOException("Got error in response to OP_READ_BLOCK " +
"self=" + sock.getLocalSocketAddress() +
", remote=" + sock.getRemoteSocketAddress() +
" for file " + file +
" for block " + blockId);
}
DataChecksum checksum = DataChecksum.newDataChecksum( in , new NativeCrc32());
//Warning when we get CHECKSUM_NULL?
// Read the first chunk offset.
long firstChunkOffset = in.readLong();
if ( firstChunkOffset < 0 || firstChunkOffset > startOffset ||
firstChunkOffset >= (startOffset + checksum.getBytesPerChecksum())) {
throw new IOException("BlockReader: error in first chunk offset (" +
firstChunkOffset + ") startOffset is " +
startOffset + " for file " + file);
}
return new BlockReader(file, blockId, in, checksum, verifyChecksum,
startOffset, firstChunkOffset, sock, bytesToCheckReadSpeed,
minSpeedBps, dataTransferVersion, cliData);
}
示例6: receiveResponse
private void receiveResponse(DataInputStream in) throws IOException {
short status = in.readShort();
if (status != DataTransferProtocol.OP_STATUS_SUCCESS) {
throw new IOException("block move is failed");
}
}
示例7: newBlockReader
public static BlockReader newBlockReader( int dataTransferVersion,
int namespaceId,
Socket sock, String file,
long blockId,
long genStamp,
long startOffset, long len,
int bufferSize, boolean verifyChecksum,
String clientName, long minSpeedBps)
throws IOException {
// in and out will be closed when sock is closed (by the caller)
DataOutputStream out = new DataOutputStream(
new BufferedOutputStream(NetUtils.getOutputStream(sock,HdfsConstants.WRITE_TIMEOUT)));
//write the header.
ReadBlockHeader readBlockHeader = new ReadBlockHeader(
dataTransferVersion, namespaceId, blockId, genStamp, startOffset, len,
clientName);
readBlockHeader.writeVersionAndOpCode(out);
readBlockHeader.write(out);
out.flush();
//
// Get bytes in block, set streams
//
DataInputStream in = new DataInputStream(
new BufferedInputStream(NetUtils.getInputStream(sock),
bufferSize));
if ( in.readShort() != DataTransferProtocol.OP_STATUS_SUCCESS ) {
throw new IOException("Got error in response to OP_READ_BLOCK " +
"self=" + sock.getLocalSocketAddress() +
", remote=" + sock.getRemoteSocketAddress() +
" for file " + file +
" for block " + blockId);
}
DataChecksum checksum = DataChecksum.newDataChecksum( in , new PureJavaCrc32());
//Warning when we get CHECKSUM_NULL?
// Read the first chunk offset.
long firstChunkOffset = in.readLong();
if ( firstChunkOffset < 0 || firstChunkOffset > startOffset ||
firstChunkOffset >= (startOffset + checksum.getBytesPerChecksum())) {
throw new IOException("BlockReader: error in first chunk offset (" +
firstChunkOffset + ") startOffset is " +
startOffset + " for file " + file);
}
return new BlockReader(file, blockId, in, checksum, verifyChecksum,
startOffset, firstChunkOffset, sock, minSpeedBps, dataTransferVersion);
}