remove ceph code

[stor4nfv.git] / src / ceph / src / erasure-code / shec / ErasureCodeShecTableCache.h

diff --git a/src/ceph/src/erasure-code/shec/ErasureCodeShecTableCache.h b/src/ceph/src/erasure-code/shec/ErasureCodeShecTableCache.h
deleted file mode 100644 (file)
index e4eaf0f..0000000
--- a/src/ceph/src/erasure-code/shec/ErasureCodeShecTableCache.h
+++ /dev/null
@@ -1,124 +0,0 @@
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-/*
- * Ceph - scalable distributed file system
- *
- * Copyright (C) 2014 FUJITSU LIMITED
- * Copyright (C) 2014 CERN (Switzerland)
- *
- * Author: Takanori Nakao <nakao.takanori@jp.fujitsu.com>
- * Author: Takeshi Miyamae <miyamae.takeshi@jp.fujitsu.com>
- * Author: Andreas-Joachim Peters <Andreas.Joachim.Peters@cern.ch>
- *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation; either
- *  version 2.1 of the License, or (at your option) any later version.
- *
- */
-
-#ifndef CEPH_ERASURE_CODE_SHEC_TABLE_CACHE_H
-#define CEPH_ERASURE_CODE_SHEC_TABLE_CACHE_H
-
-// -----------------------------------------------------------------------------
-#include "common/Mutex.h"
-#include "erasure-code/ErasureCodeInterface.h"
-// -----------------------------------------------------------------------------
-#include <list>
-// -----------------------------------------------------------------------------
-
-class ErasureCodeShecTableCache {
-  // ---------------------------------------------------------------------------
-  // This class implements a table cache for encoding and decoding matrices.
-  // Encoding matrices are shared for the same (k,m,c,w) combination.
-  // It supplies a decoding matrix lru cache which is shared for identical
-  // matrix types e.g. there is one cache (lru-list + lru-map)
-  // ---------------------------------------------------------------------------
-
-  class DecodingCacheParameter {
-   public:
-    int* decoding_matrix;  // size: k*k
-    int* dm_row;  // size: k
-    int* dm_column;  // size: k
-    int* minimum;  // size: k+m
-    DecodingCacheParameter() {
-      decoding_matrix = 0;
-      dm_row = 0;
-      dm_column = 0;
-      minimum = 0;
-    }
-    ~DecodingCacheParameter() {
-      if (decoding_matrix) {
-        delete[] decoding_matrix;
-      }
-      if (dm_row) {
-        delete[] dm_row;
-      }
-      if (dm_column) {
-        delete[] dm_column;
-      }
-      if (minimum) {
-        delete[] minimum;
-      }
-    }
-  };
-
- public:
-
-  static const int decoding_tables_lru_length = 10000;
-  typedef std::pair<std::list<uint64_t>::iterator,
-                    DecodingCacheParameter> lru_entry_t;
-  typedef std::map< int, int** > codec_table_t;
-  typedef std::map< int, codec_table_t > codec_tables_t__;
-  typedef std::map< int, codec_tables_t__ > codec_tables_t_;
-  typedef std::map< int, codec_tables_t_ > codec_tables_t;
-  typedef std::map< int, codec_tables_t > codec_technique_tables_t;
-  // int** matrix = codec_technique_tables_t[technique][k][m][c][w]
-  
-  typedef std::map< uint64_t, lru_entry_t > lru_map_t;
-  typedef std::list< uint64_t > lru_list_t;
-
- ErasureCodeShecTableCache() :
-  codec_tables_guard("shec-lru-cache")
-    {
-    }
-  
-  virtual ~ErasureCodeShecTableCache();
-  
-  Mutex codec_tables_guard; // mutex used to protect modifications in encoding/decoding table maps
-  
-  bool getDecodingTableFromCache(int* matrix,
-                                 int* dm_row, int* dm_column,
-                                 int* minimum,
-                                 int technique,
-                                 int k, int m, int c, int w,
-                                 int* want, int* avails);
-
-  void putDecodingTableToCache(int* matrix,
-                               int* dm_row, int* dm_column,
-                               int* minimum,
-                               int technique,
-                               int k, int m, int c, int w,
-                               int* want, int* avails);
-
-  int** getEncodingTable(int technique, int k, int m, int c, int w);
-  int** getEncodingTableNoLock(int technique, int k, int m, int c, int w);
-  int* setEncodingTable(int technique, int k, int m, int c, int w, int*);
-  
- private:
-  // encoding table accessed via table[matrix][k][m][c][w]
-  // decoding table cache accessed via map[matrixtype]
-  // decoding table lru list accessed via list[matrixtype]
-  codec_technique_tables_t encoding_table;
-  std::map<int, lru_map_t*> decoding_tables;
-  std::map<int, lru_list_t*> decoding_tables_lru;
-
-  lru_map_t* getDecodingTables(int technique);
-  lru_list_t* getDecodingTablesLru(int technique);
-  uint64_t getDecodingCacheSignature(int k, int m, int c, int w,
-                                     int *want, int *avails);
-
-  Mutex* getLock();
-};
-
-#endif