| /******************************************************************** |
| * 2014 - |
| * open source under Apache License Version 2.0 |
| ********************************************************************/ |
| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| #ifndef _HDFS_LIBHDFS3_SERVER_NAMENODEIMPL_H_ |
| #define _HDFS_LIBHDFS3_SERVER_NAMENODEIMPL_H_ |
| |
| #include "Namenode.h" |
| |
| namespace Hdfs { |
| namespace Internal { |
| |
| class NamenodeImpl: public Namenode { |
| public: |
| NamenodeImpl(const char * host, const char * port, const std::string & tokenService, const SessionConfig & c, |
| const RpcAuth & a); |
| |
| ~NamenodeImpl(); |
| |
| //Idempotent |
| void getBlockLocations(const std::string & src, int64_t offset, |
| int64_t length, LocatedBlocks & lbs) /* throw (AccessControlException, |
| FileNotFoundException, UnresolvedLinkException, |
| HdfsIOException) */; |
| |
| void create(const std::string & src, const Permission & masked, |
| const std::string & clientName, int flag, bool createParent, |
| short replication, int64_t blockSize) /* throw (AccessControlException, |
| AlreadyBeingCreatedException, DSQuotaExceededException, |
| FileAlreadyExistsException, FileNotFoundException, |
| NSQuotaExceededException, ParentNotDirectoryException, |
| SafeModeException, UnresolvedLinkException, HdfsIOException) */; |
| |
| std::pair<shared_ptr<LocatedBlock>, shared_ptr<FileStatus> > append( |
| const std::string& src, const std::string& clientName) |
| /* throw (AccessControlException, |
| DSQuotaExceededException, FileNotFoundException, |
| SafeModeException, UnresolvedLinkException, HdfsIOException) */; |
| |
| //Idempotent |
| bool setReplication(const std::string & src, short replication) |
| /* throw (AccessControlException, DSQuotaExceededException, |
| FileNotFoundException, SafeModeException, UnresolvedLinkException, |
| HdfsIOException) */; |
| |
| //Idempotent |
| void setPermission(const std::string & src, const Permission & permission) |
| /* throw (AccessControlException, FileNotFoundException, |
| SafeModeException, UnresolvedLinkException, HdfsIOException) */; |
| |
| //Idempotent |
| void setOwner(const std::string & src, const std::string & username, |
| const std::string & groupname) /* throw (AccessControlException, |
| FileNotFoundException, SafeModeException, |
| UnresolvedLinkException, HdfsIOException) */; |
| |
| void abandonBlock(const ExtendedBlock & b, const std::string & src, |
| const std::string & holder) /* throw (AccessControlException, |
| FileNotFoundException, UnresolvedLinkException, |
| HdfsIOException) */; |
| |
| shared_ptr<LocatedBlock> addBlock(const std::string & src, const std::string & clientName, |
| const ExtendedBlock * previous, |
| const std::vector<DatanodeInfo> & excludeNodes) |
| /* throw (AccessControlException, FileNotFoundException, |
| NotReplicatedYetException, SafeModeException, |
| UnresolvedLinkException, HdfsIOException) */; |
| |
| //Idempotent |
| shared_ptr<LocatedBlock> getAdditionalDatanode(const std::string & src, |
| const ExtendedBlock & blk, |
| const std::vector<DatanodeInfo> & existings, |
| const std::vector<std::string> & storageIDs, |
| const std::vector<DatanodeInfo> & excludes, int numAdditionalNodes, |
| const std::string & clientName) |
| /* throw (AccessControlException, FileNotFoundException, |
| SafeModeException, UnresolvedLinkException, HdfsIOException) */; |
| |
| bool complete(const std::string & src, const std::string & clientName, |
| const ExtendedBlock * last) /* throw (AccessControlException, |
| FileNotFoundException, SafeModeException, |
| UnresolvedLinkException, HdfsIOException) */; |
| |
| //Idempotent |
| void reportBadBlocks(const std::vector<LocatedBlock> & blocks) |
| /* throw (HdfsIOException) */; |
| |
| bool rename(const std::string & src, const std::string & dst) |
| /* throw (UnresolvedLinkException, HdfsIOException) */; |
| |
| void concat(const std::string & trg, const std::vector<std::string> & srcs) |
| /* throw (HdfsIOException, UnresolvedLinkException) */; |
| |
| bool truncate(const std::string & src, int64_t size, |
| const std::string & clientName) |
| /* throw (HdfsIOException, UnresolvedLinkException) */; |
| |
| void getLease(const std::string & src, const std::string & clientName) |
| /* throw (HdfsIOException, UnresolvedLinkException) */; |
| |
| void releaseLease(const std::string & src, const std::string & clientName) |
| /* throw (HdfsIOException, UnresolvedLinkException) */; |
| |
| /*void rename2(const std::string & src, const std::string & dst) |
| throw (AccessControlException, DSQuotaExceededException, |
| FileAlreadyExistsException, FileNotFoundException, |
| NSQuotaExceededException, ParentNotDirectoryException, |
| SafeModeException, UnresolvedLinkException, HdfsIOException) ;*/ |
| |
| bool deleteFile(const std::string & src, bool recursive) |
| /* throw (AccessControlException, FileNotFoundException, |
| SafeModeException, UnresolvedLinkException, HdfsIOException) */; |
| |
| //Idempotent |
| bool mkdirs(const std::string & src, const Permission & masked, |
| bool createParent) /* throw (AccessControlException, |
| FileAlreadyExistsException, FileNotFoundException, |
| NSQuotaExceededException, ParentNotDirectoryException, |
| SafeModeException, UnresolvedLinkException, HdfsIOException) */; |
| |
| //Idempotent |
| bool getListing(const std::string & src, const std::string & startAfter, |
| bool needLocation, std::vector<FileStatus> & dl) |
| /* throw (AccessControlException, FileNotFoundException, |
| UnresolvedLinkException, HdfsIOException) */; |
| |
| //Idempotent |
| void renewLease(const std::string & clientName) |
| /* throw (AccessControlException, HdfsIOException) */; |
| |
| //Idempotent |
| bool recoverLease(const std::string & src, const std::string & clientName) |
| /* throw (HdfsIOException) */; |
| |
| //Idempotent |
| std::vector<int64_t> getFsStats() /* throw (HdfsIOException) */; |
| |
| void metaSave(const std::string & filename) /* throw (HdfsIOException) */; |
| |
| //Idempotent |
| FileStatus getFileInfo(const std::string & src, bool *exist) |
| /* throw (AccessControlException, FileNotFoundException, |
| UnresolvedLinkException, HdfsIOException) */; |
| |
| //Idempotent |
| FileStatus getFileLinkInfo(const std::string & src) |
| /* throw (AccessControlException, UnresolvedLinkException, |
| HdfsIOException) */; |
| |
| /* //Idempotent |
| ContentSummary getContentSummary(const std::string & path) |
| throw (AccessControlException, FileNotFoundException, |
| UnresolvedLinkException, HdfsIOException) ;*/ |
| |
| //Idempotent |
| void setQuota(const std::string & path, int64_t namespaceQuota, |
| int64_t diskspaceQuota) /* throw (AccessControlException, |
| FileNotFoundException, UnresolvedLinkException, |
| HdfsIOException) */; |
| |
| //Idempotent |
| void fsync(const std::string & src, const std::string & client) |
| /* throw (AccessControlException, FileNotFoundException, |
| UnresolvedLinkException, HdfsIOException) */; |
| |
| //Idempotent |
| void setTimes(const std::string & src, int64_t mtime, int64_t atime) |
| /* throw (AccessControlException, FileNotFoundException, |
| UnresolvedLinkException, HdfsIOException) */; |
| |
| void createSymlink(const std::string & target, const std::string & link, |
| const Permission & dirPerm, bool createParent) |
| /* throw (AccessControlException, FileAlreadyExistsException, |
| FileNotFoundException, ParentNotDirectoryException, |
| SafeModeException, UnresolvedLinkException, HdfsIOException) */; |
| |
| //Idempotent |
| std::string getLinkTarget(const std::string & path) |
| /* throw (AccessControlException, FileNotFoundException, |
| HdfsIOException) */; |
| |
| //Idempotent |
| shared_ptr<LocatedBlock> updateBlockForPipeline(const ExtendedBlock & block, |
| const std::string & clientName) |
| /* throw (HdfsIOException) */; |
| |
| void updatePipeline(const std::string & clientName, |
| const ExtendedBlock & oldBlock, const ExtendedBlock & newBlock, |
| const std::vector<DatanodeInfo> & newNodes, |
| const std::vector<std::string> & storageIDs) /* throw (HdfsIOException) */; |
| |
| //Idempotent |
| Token getDelegationToken(const std::string & renewer) |
| /* throws IOException*/; |
| |
| //Idempotent |
| int64_t renewDelegationToken(const Token & token) |
| /*throws IOException*/; |
| |
| //Idempotent |
| void cancelDelegationToken(const Token & token) |
| /*throws IOException*/; |
| |
| bool createEncryptionZone(const std::string & src, const std::string & keyName); |
| /* throws HdfsIOException If an I/O error occurred */ |
| |
| EncryptionZoneInfo getEncryptionZoneInfo(const std::string & src, bool *exist); |
| /* throw (FileNotFoundException, UnresolvedLinkException, HdfsIOException) */ |
| bool listEncryptionZones(const int64_t id, std::vector<EncryptionZoneInfo> & ezl); |
| /* throw (AccessControlException, UnresolvedLinkException, HdfsIOException) */ |
| |
| |
| private: |
| void invoke(const RpcCall & call); |
| |
| private: |
| RpcAuth auth; |
| RpcClient & client; |
| RpcConfig conf; |
| RpcProtocolInfo protocol; |
| RpcServerInfo server; |
| |
| }; |
| |
| } |
| } |
| |
| #endif /* _HDFS_LIBHDFS3_SERVER_NAMENODEIMPL_H_ */ |