| /** |
| * 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) */; |
| |
| shared_ptr<LocatedBlock> 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) */; |
| |
| /*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) |
| /* 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*/; |
| |
| private: |
| void invoke(const RpcCall &call); |
| |
| private: |
| RpcAuth auth; |
| RpcClient &client; |
| RpcConfig conf; |
| RpcProtocolInfo protocol; |
| RpcServerInfo server; |
| }; |
| |
| } |
| } |
| |
| #endif /* _HDFS_LIBHDFS3_SERVER_NAMENODEIMPL_H_ */ |