93 lines
2.3 KiB
C++
93 lines
2.3 KiB
C++
/*
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Copyright (c) Microsoft Corporation
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All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
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compliance with the License. You may obtain a copy of the License
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at http://www.apache.org/licenses/LICENSE-2.0
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THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, EITHER
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EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED WARRANTIES OR CONDITIONS OF
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TITLE, FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABLITY OR NON-INFRINGEMENT.
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See the Apache Version 2.0 License for specific language governing permissions and
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limitations under the License.
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*/
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//#pragma once
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//#include <vcclr.h>
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using namespace System;
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using namespace System::Collections::Generic;
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using namespace System::Runtime::InteropServices;
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namespace Microsoft { namespace Research { namespace Dryad { namespace Hdfs
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{
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//---------------------------------------------------------------------------------------------------
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public ref class HdfsBlockInfo
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{
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public:
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array<String^>^ Hosts;
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long long Size;
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long long Offset;
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int fileIndex;
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};
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//---------------------------------------------------------------------------------------------------
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public ref class HdfsFileInfo
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{
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public:
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String^ Name;
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bool IsDirectory;
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long long Size;
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long long LastModified;
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short Replication;
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long long BlockSize;
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long long totalSize;
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array<HdfsBlockInfo^>^ blockArray;
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array<String^>^ fileNameArray;
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};
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//---------------------------------------------------------------------------------------------------
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public ref class HdfsInstance : public IDisposable
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{
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public:
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static bool Initialize();
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HdfsInstance(String^ hdfsUri);
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~HdfsInstance();
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void Close();
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bool IsFileExists(String^ fileName);
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HdfsFileInfo^ GetFileInfo(String^ fileName, bool getBlockArray);
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bool DeleteFile(String^ fileName, bool recursive);
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bool RenameFile(String^ dstFileName, String^ srcFileName);
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String^ ToInternalUri(String^ fileName);
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String^ FromInternalUri(String^ fileName);
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private:
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bool Open(String^ headNode, long hdfsPort);
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IntPtr m_instance;
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String^ m_serviceUri;
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};
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//---------------------------------------------------------------------------------------------------
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}}}}
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