本文整理汇总了Java中org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto.parseFrom方法的典型用法代码示例。如果您正苦于以下问题:Java BlockOpResponseProto.parseFrom方法的具体用法?Java BlockOpResponseProto.parseFrom怎么用?Java BlockOpResponseProto.parseFrom使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto
的用法示例。
在下文中一共展示了BlockOpResponseProto.parseFrom方法的15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: inferChecksumTypeByReading
import org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto; //导入方法依赖的package包/类
/**
* Infer the checksum type for a replica by sending an OP_READ_BLOCK
* for the first byte of that replica. This is used for compatibility
* with older HDFS versions which did not include the checksum type in
* OpBlockChecksumResponseProto.
*
* @param lb the located block
* @param dn the connected datanode
* @return the inferred checksum type
* @throws IOException if an error occurs
*/
private Type inferChecksumTypeByReading(LocatedBlock lb, DatanodeInfo dn)
throws IOException {
IOStreamPair pair = connectToDN(dn, dfsClientConf.socketTimeout, lb);
try {
DataOutputStream out = new DataOutputStream(new BufferedOutputStream(pair.out,
HdfsConstants.SMALL_BUFFER_SIZE));
DataInputStream in = new DataInputStream(pair.in);
new Sender(out).readBlock(lb.getBlock(), lb.getBlockToken(), clientName,
0, 1, true, CachingStrategy.newDefaultStrategy());
final BlockOpResponseProto reply =
BlockOpResponseProto.parseFrom(PBHelper.vintPrefixed(in));
String logInfo = "trying to read " + lb.getBlock() + " from datanode " + dn;
DataTransferProtoUtil.checkBlockOpStatus(reply, logInfo);
return PBHelper.convert(reply.getReadOpChecksumInfo().getChecksum().getType());
} finally {
IOUtils.cleanup(null, pair.in, pair.out);
}
}
示例2: inferChecksumTypeByReading
import org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto; //导入方法依赖的package包/类
/**
* Infer the checksum type for a replica by sending an OP_READ_BLOCK
* for the first byte of that replica. This is used for compatibility
* with older HDFS versions which did not include the checksum type in
* OpBlockChecksumResponseProto.
*
* @param lb the located block
* @param dn the connected datanode
* @return the inferred checksum type
* @throws IOException if an error occurs
*/
private Type inferChecksumTypeByReading(LocatedBlock lb, DatanodeInfo dn)
throws IOException {
IOStreamPair pair = connectToDN(dn, dfsClientConf.getSocketTimeout(), lb);
try {
DataOutputStream out = new DataOutputStream(
new BufferedOutputStream(pair.out, smallBufferSize));
DataInputStream in = new DataInputStream(pair.in);
new Sender(out).readBlock(lb.getBlock(), lb.getBlockToken(), clientName,
0, 1, true, CachingStrategy.newDefaultStrategy());
final BlockOpResponseProto reply =
BlockOpResponseProto.parseFrom(PBHelperClient.vintPrefixed(in));
String logInfo = "trying to read " + lb.getBlock() + " from datanode " +
dn;
DataTransferProtoUtil.checkBlockOpStatus(reply, logInfo);
return PBHelperClient.convert(
reply.getReadOpChecksumInfo().getChecksum().getType());
} finally {
IOUtilsClient.cleanup(null, pair.in, pair.out);
}
}
示例3: receiveResponse
import org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto; //导入方法依赖的package包/类
/** Receive a block copy response from the input stream */
private void receiveResponse(DataInputStream in) throws IOException {
BlockOpResponseProto response =
BlockOpResponseProto.parseFrom(vintPrefixed(in));
while (response.getStatus() == Status.IN_PROGRESS) {
// read intermediate responses
response = BlockOpResponseProto.parseFrom(vintPrefixed(in));
}
String logInfo = "block move is failed";
DataTransferProtoUtil.checkBlockOpStatus(response, logInfo);
}
示例4: receiveResponse
import org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto; //导入方法依赖的package包/类
/** Receive a reportedBlock copy response from the input stream */
private void receiveResponse(DataInputStream in) throws IOException {
BlockOpResponseProto response =
BlockOpResponseProto.parseFrom(vintPrefixed(in));
while (response.getStatus() == Status.IN_PROGRESS) {
// read intermediate responses
response = BlockOpResponseProto.parseFrom(vintPrefixed(in));
}
String logInfo = "reportedBlock move is failed";
DataTransferProtoUtil.checkBlockOpStatus(response, logInfo);
}
示例5: transfer
import org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto; //导入方法依赖的package包/类
private void transfer(final DatanodeInfo src, final DatanodeInfo[] targets,
final StorageType[] targetStorageTypes,
final Token<BlockTokenIdentifier> blockToken) throws IOException {
//transfer replica to the new datanode
Socket sock = null;
DataOutputStream out = null;
DataInputStream in = null;
try {
sock = createSocketForPipeline(src, 2, dfsClient);
final long writeTimeout = dfsClient.getDatanodeWriteTimeout(2);
OutputStream unbufOut = NetUtils.getOutputStream(sock, writeTimeout);
InputStream unbufIn = NetUtils.getInputStream(sock);
IOStreamPair saslStreams = dfsClient.saslClient.socketSend(sock,
unbufOut, unbufIn, dfsClient, blockToken, src);
unbufOut = saslStreams.out;
unbufIn = saslStreams.in;
out = new DataOutputStream(new BufferedOutputStream(unbufOut,
HdfsConstants.SMALL_BUFFER_SIZE));
in = new DataInputStream(unbufIn);
//send the TRANSFER_BLOCK request
new Sender(out).transferBlock(block, blockToken, dfsClient.clientName,
targets, targetStorageTypes);
out.flush();
//ack
BlockOpResponseProto response =
BlockOpResponseProto.parseFrom(PBHelper.vintPrefixed(in));
if (SUCCESS != response.getStatus()) {
throw new IOException("Failed to add a datanode");
}
} finally {
IOUtils.closeStream(in);
IOUtils.closeStream(out);
IOUtils.closeSocket(sock);
}
}
示例6: inferChecksumTypeByReading
import org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto; //导入方法依赖的package包/类
/**
* Infer the checksum type for a replica by sending an OP_READ_BLOCK
* for the first byte of that replica. This is used for compatibility
* with older HDFS versions which did not include the checksum type in
* OpBlockChecksumResponseProto.
*
* @param lb the located block
* @param dn the connected datanode
* @return the inferred checksum type
* @throws IOException if an error occurs
*/
private Type inferChecksumTypeByReading(LocatedBlock lb, DatanodeInfo dn)
throws IOException {
IOStreamPair pair = connectToDN(dn, dfsClientConf.socketTimeout, lb);
try {
DataOutputStream out = new DataOutputStream(new BufferedOutputStream(pair.out,
HdfsConstants.SMALL_BUFFER_SIZE));
DataInputStream in = new DataInputStream(pair.in);
new Sender(out).readBlock(lb.getBlock(), lb.getBlockToken(), clientName,
0, 1, true, CachingStrategy.newDefaultStrategy());
final BlockOpResponseProto reply =
BlockOpResponseProto.parseFrom(PBHelper.vintPrefixed(in));
if (reply.getStatus() != Status.SUCCESS) {
if (reply.getStatus() == Status.ERROR_ACCESS_TOKEN) {
throw new InvalidBlockTokenException();
} else {
throw new IOException("Bad response " + reply + " trying to read "
+ lb.getBlock() + " from datanode " + dn);
}
}
return PBHelper.convert(reply.getReadOpChecksumInfo().getChecksum().getType());
} finally {
IOUtils.cleanup(null, pair.in, pair.out);
}
}
示例7: receiveResponse
import org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto; //导入方法依赖的package包/类
/** Receive a block copy response from the input stream */
private void receiveResponse(DataInputStream in) throws IOException {
BlockOpResponseProto response =
BlockOpResponseProto.parseFrom(vintPrefixed(in));
while (response.getStatus() == Status.IN_PROGRESS) {
// read intermediate responses
response = BlockOpResponseProto.parseFrom(vintPrefixed(in));
}
if (response.getStatus() != Status.SUCCESS) {
if (response.getStatus() == Status.ERROR_ACCESS_TOKEN) {
throw new IOException("block move failed due to access token error");
}
throw new IOException("block move is failed: " + response.getMessage());
}
}
示例8: transfer
import org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto; //导入方法依赖的package包/类
private void transfer(final DatanodeInfo src, final DatanodeInfo[] targets,
final Token<BlockTokenIdentifier> blockToken) throws IOException {
//transfer replica to the new datanode
Socket sock = null;
DataOutputStream out = null;
DataInputStream in = null;
try {
sock = createSocketForPipeline(src, 2, dfsClient);
final long writeTimeout = dfsClient.getDatanodeWriteTimeout(2);
OutputStream unbufOut = NetUtils.getOutputStream(sock, writeTimeout);
InputStream unbufIn = NetUtils.getInputStream(sock);
if (dfsClient.shouldEncryptData()) {
IOStreamPair encryptedStreams =
DataTransferEncryptor.getEncryptedStreams(
unbufOut, unbufIn, dfsClient.getDataEncryptionKey());
unbufOut = encryptedStreams.out;
unbufIn = encryptedStreams.in;
}
out = new DataOutputStream(new BufferedOutputStream(unbufOut,
HdfsConstants.SMALL_BUFFER_SIZE));
in = new DataInputStream(unbufIn);
//send the TRANSFER_BLOCK request
new Sender(out).transferBlock(block, blockToken, dfsClient.clientName,
targets);
out.flush();
//ack
BlockOpResponseProto response =
BlockOpResponseProto.parseFrom(PBHelper.vintPrefixed(in));
if (SUCCESS != response.getStatus()) {
throw new IOException("Failed to add a datanode");
}
} finally {
IOUtils.closeStream(in);
IOUtils.closeStream(out);
IOUtils.closeSocket(sock);
}
}
示例9: inferChecksumTypeByReading
import org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto; //导入方法依赖的package包/类
/**
* Infer the checksum type for a replica by sending an OP_READ_BLOCK
* for the first byte of that replica. This is used for compatibility
* with older HDFS versions which did not include the checksum type in
* OpBlockChecksumResponseProto.
*
* @param in input stream from datanode
* @param out output stream to datanode
* @param lb the located block
* @param clientName the name of the DFSClient requesting the checksum
* @param dn the connected datanode
* @return the inferred checksum type
* @throws IOException if an error occurs
*/
private static Type inferChecksumTypeByReading(
String clientName, SocketFactory socketFactory, int socketTimeout,
LocatedBlock lb, DatanodeInfo dn,
DataEncryptionKey encryptionKey, boolean connectToDnViaHostname)
throws IOException {
IOStreamPair pair = connectToDN(socketFactory, connectToDnViaHostname,
encryptionKey, dn, socketTimeout);
try {
DataOutputStream out = new DataOutputStream(new BufferedOutputStream(pair.out,
HdfsConstants.SMALL_BUFFER_SIZE));
DataInputStream in = new DataInputStream(pair.in);
new Sender(out).readBlock(lb.getBlock(), lb.getBlockToken(), clientName, 0, 1, true);
final BlockOpResponseProto reply =
BlockOpResponseProto.parseFrom(PBHelper.vintPrefixed(in));
if (reply.getStatus() != Status.SUCCESS) {
if (reply.getStatus() == Status.ERROR_ACCESS_TOKEN) {
throw new InvalidBlockTokenException();
} else {
throw new IOException("Bad response " + reply + " trying to read "
+ lb.getBlock() + " from datanode " + dn);
}
}
return PBHelper.convert(reply.getReadOpChecksumInfo().getChecksum().getType());
} finally {
IOUtils.cleanup(null, pair.in, pair.out);
}
}
示例10: receiveResponse
import org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto; //导入方法依赖的package包/类
private void receiveResponse(DataInputStream in) throws IOException {
BlockOpResponseProto response = BlockOpResponseProto.parseFrom(
vintPrefixed(in));
if (response.getStatus() != Status.SUCCESS) {
if (response.getStatus() == Status.ERROR_ACCESS_TOKEN)
throw new IOException("block move failed due to access token error");
throw new IOException("block move is failed: " +
response.getMessage());
}
}
示例11: transfer
import org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto; //导入方法依赖的package包/类
private void transfer(final DatanodeInfo src, final DatanodeInfo[] targets,
final Token<BlockTokenIdentifier> blockToken) throws IOException {
//transfer replica to the new datanode
Socket sock = null;
DataOutputStream out = null;
DataInputStream in = null;
try {
sock = createSocketForPipeline(src, 2, dfsClient);
final long writeTimeout = dfsClient.getDatanodeWriteTimeout(2);
OutputStream unbufOut = NetUtils.getOutputStream(sock, writeTimeout);
InputStream unbufIn = NetUtils.getInputStream(sock);
if (dfsClient.shouldEncryptData()) {
IOStreamPair encryptedStreams = DataTransferEncryptor
.getEncryptedStreams(unbufOut, unbufIn,
dfsClient.getDataEncryptionKey());
unbufOut = encryptedStreams.out;
unbufIn = encryptedStreams.in;
}
out = new DataOutputStream(new BufferedOutputStream(unbufOut,
HdfsConstants.SMALL_BUFFER_SIZE));
in = new DataInputStream(unbufIn);
//send the TRANSFER_BLOCK request
new Sender(out)
.transferBlock(block, blockToken, dfsClient.clientName, targets);
out.flush();
//ack
BlockOpResponseProto response =
BlockOpResponseProto.parseFrom(PBHelper.vintPrefixed(in));
if (SUCCESS != response.getStatus()) {
throw new IOException("Failed to add a datanode");
}
} finally {
IOUtils.closeStream(in);
IOUtils.closeStream(out);
IOUtils.closeSocket(sock);
}
}
示例12: newBlockReader
import org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto; //导入方法依赖的package包/类
/**
* Create a new BlockReader specifically to satisfy a read.
* This method also sends the OP_READ_BLOCK request.
*
* @param sock
* An established Socket to the DN. The BlockReader will not close it
* normally
* @param file
* File location
* @param block
* The block object
* @param blockToken
* The block token for security
* @param startOffset
* The read offset, relative to block head
* @param len
* The number of bytes to read
* @param bufferSize
* The IO buffer size (not the client buffer size)
* @param verifyChecksum
* Whether to verify checksum
* @param clientName
* Client name
* @return New BlockReader instance, or null on error.
*/
public static RemoteBlockReader newBlockReader(Socket sock, String file,
ExtendedBlock block, Token<BlockTokenIdentifier> blockToken,
long startOffset, long len, int bufferSize, boolean verifyChecksum,
String clientName) throws IOException {
// in and out will be closed when sock is closed (by the caller)
final DataOutputStream out = new DataOutputStream(new BufferedOutputStream(
NetUtils.getOutputStream(sock, HdfsServerConstants.WRITE_TIMEOUT)));
new Sender(out).readBlock(block, blockToken, clientName, startOffset, len,
verifyChecksum);
//
// Get bytes in block, set streams
//
DataInputStream in = new DataInputStream(
new BufferedInputStream(NetUtils.getInputStream(sock), bufferSize));
BlockOpResponseProto status =
BlockOpResponseProto.parseFrom(PBHelper.vintPrefixed(in));
RemoteBlockReader2.checkSuccess(status, sock, block, file);
ReadOpChecksumInfoProto checksumInfo = status.getReadOpChecksumInfo();
DataChecksum checksum =
DataTransferProtoUtil.fromProto(checksumInfo.getChecksum());
//Warning when we get CHECKSUM_NULL?
// Read the first chunk offset.
long firstChunkOffset = checksumInfo.getChunkOffset();
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 RemoteBlockReader(file, block.getBlockPoolId(),
block.getBlockId(), in, checksum, verifyChecksum, startOffset,
firstChunkOffset, len, sock);
}
示例13: inferChecksumTypeByReading
import org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto; //导入方法依赖的package包/类
/**
* Infer the checksum type for a replica by sending an OP_READ_BLOCK
* for the first byte of that replica. This is used for compatibility
* with older HDFS versions which did not include the checksum type in
* OpBlockChecksumResponseProto.
*
* @param lb
* the located block
* @param clientName
* the name of the DFSClient requesting the checksum
* @param dn
* the connected datanode
* @return the inferred checksum type
* @throws IOException
* if an error occurs
*/
private static Type inferChecksumTypeByReading(String clientName,
SocketFactory socketFactory, int socketTimeout, LocatedBlock lb,
DatanodeInfo dn, DataEncryptionKey encryptionKey,
boolean connectToDnViaHostname) throws IOException {
IOStreamPair pair =
connectToDN(socketFactory, connectToDnViaHostname, encryptionKey, dn,
socketTimeout);
try {
DataOutputStream out = new DataOutputStream(
new BufferedOutputStream(pair.out, HdfsConstants.SMALL_BUFFER_SIZE));
DataInputStream in = new DataInputStream(pair.in);
new Sender(out)
.readBlock(lb.getBlock(), lb.getBlockToken(), clientName, 0, 1, true);
final BlockOpResponseProto reply =
BlockOpResponseProto.parseFrom(PBHelper.vintPrefixed(in));
if (reply.getStatus() != Status.SUCCESS) {
if (reply.getStatus() == Status.ERROR_ACCESS_TOKEN) {
throw new InvalidBlockTokenException();
} else {
throw new IOException(
"Bad response " + reply + " trying to read " + lb.getBlock() +
" from datanode " + dn);
}
}
return PBHelper
.convert(reply.getReadOpChecksumInfo().getChecksum().getType());
} finally {
IOUtils.cleanup(null, pair.in, pair.out);
}
}
示例14: receiveResponse
import org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto; //导入方法依赖的package包/类
private void receiveResponse(DataInputStream in) throws IOException {
BlockOpResponseProto response =
BlockOpResponseProto.parseFrom(vintPrefixed(in));
if (response.getStatus() != Status.SUCCESS) {
if (response.getStatus() == Status.ERROR_ACCESS_TOKEN) {
throw new IOException("block move failed due to access token error");
}
throw new IOException("block move is failed: " + response.getMessage());
}
}
示例15: inferChecksumTypeByReading
import org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto; //导入方法依赖的package包/类
/**
* Infer the checksum type for a replica by sending an OP_READ_BLOCK
* for the first byte of that replica. This is used for compatibility
* with older HDFS versions which did not include the checksum type in
* OpBlockChecksumResponseProto.
*
* @param in input stream from datanode
* @param out output stream to datanode
* @param lb the located block
* @param clientName the name of the DFSClient requesting the checksum
* @param dn the connected datanode
* @return the inferred checksum type
* @throws IOException if an error occurs
*/
private static Type inferChecksumTypeByReading(
String clientName, SocketFactory socketFactory, int socketTimeout,
LocatedBlock lb, DatanodeInfo dn,
DataEncryptionKey encryptionKey, boolean connectToDnViaHostname)
throws IOException {
IOStreamPair pair = connectToDN(socketFactory, connectToDnViaHostname,
encryptionKey, dn, socketTimeout);
try {
DataOutputStream out = new DataOutputStream(new BufferedOutputStream(pair.out,
HdfsConstants.SMALL_BUFFER_SIZE));
DataInputStream in = new DataInputStream(pair.in);
new Sender(out).readBlock(lb.getBlock(), lb.getBlockToken(), clientName,
0, 1, true, CachingStrategy.newDefaultStrategy());
final BlockOpResponseProto reply =
BlockOpResponseProto.parseFrom(PBHelper.vintPrefixed(in));
if (reply.getStatus() != Status.SUCCESS) {
if (reply.getStatus() == Status.ERROR_ACCESS_TOKEN) {
throw new InvalidBlockTokenException();
} else {
throw new IOException("Bad response " + reply + " trying to read "
+ lb.getBlock() + " from datanode " + dn);
}
}
return PBHelper.convert(reply.getReadOpChecksumInfo().getChecksum().getType());
} finally {
IOUtils.cleanup(null, pair.in, pair.out);
}
}