LCOV - code coverage report
Current view: top level - db - db.h (source / functions) Hit Total Coverage
Test: OpenSDN C/C++ coverage (all TARGET_SET jobs) Lines: 10 12 83.3 %
Date: 2026-11-09 02:10:49 Functions: 7 8 87.5 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /*
       2             :  * Copyright (c) 2013 Juniper Networks, Inc. All rights reserved.
       3             :  * Copyright Contributors to the OpenSDN project
       4             :  */
       5             : 
       6             : #ifndef ctrlplane_db_h
       7             : #define ctrlplane_db_h
       8             : 
       9             : #include <map>
      10             : #include <vector>
      11             : #include <mutex>
      12             : 
      13             : #include <boost/function.hpp>
      14             : 
      15             : #include "base/util.h"
      16             : 
      17             : class DBGraph;
      18             : class DBPartition;
      19             : class DBTableBase;
      20             : class DBTableWalker;
      21             : class DBTableWalkMgr;
      22             : 
      23             : // A database is a collection of tables.
      24             : // The storage is implemented by a set of shards (DB Partitions).
      25             : class DB {
      26             : public:
      27             :     typedef boost::function<DBTableBase *(DB *, const std::string &)>
      28             :         CreateFunction;
      29             :     typedef std::map<std::string, DBTableBase *> TableMap;
      30             :     typedef TableMap::iterator iterator;
      31             :     typedef TableMap::const_iterator const_iterator;
      32             : 
      33             :     DB(int task_id = -1);
      34             :     ~DB();
      35             : 
      36             :     // Get the partition with the specified id.
      37             :     DBPartition *GetPartition(int index);
      38             :     const DBPartition *GetPartition(int index) const;
      39             : 
      40             :     void AddTable(DBTableBase *tbl_base);
      41             : 
      42             :     // Table creation.
      43             :     DBTableBase *CreateTable(const std::string &name);
      44             :     DBTableBase *FindTable(const std::string &name);
      45             :     iterator FindTableIter(const std::string &name);
      46             :     void RemoveTable(DBTableBase *tbl_base);
      47             : 
      48             :     // Table walker
      49         323 :     DBTableWalker *GetWalker() {
      50         323 :         return walker_.get();
      51             :     }
      52     1664091 :     DBTableWalkMgr *GetWalkMgr() {
      53     1664091 :         return walk_mgr_.get();
      54             :     }
      55             : 
      56             :     DBGraph *GetGraph(const std::string &name);
      57             :     void SetGraph(const std::string &name, DBGraph *graph);
      58             :     void SetQueueDisable(bool disable);
      59             : 
      60             :     static void SetPartitionCount(int partition_count);
      61             :     static int PartitionCount();
      62             :     static void RegisterFactory(const std::string &prefix,
      63             :                                 CreateFunction create_fn);
      64             :     static void ClearFactoryRegistry();
      65             : 
      66             :     void Clear();
      67             :     bool IsDBQueueEmpty() const;
      68             : 
      69             :     iterator begin() { return tables_.begin(); }
      70     1239555 :     iterator end() { return tables_.end(); }
      71        8277 :     iterator lower_bound(const std::string &name) {
      72        8277 :         return tables_.lower_bound(name);
      73             :     }
      74           5 :     const_iterator const_begin() { return tables_.begin(); }
      75           5 :     const_iterator const_end() { return tables_.end(); }
      76           0 :     const_iterator const_lower_bound(const std::string &name) {
      77           0 :         return tables_.lower_bound(name);
      78             :     }
      79             : 
      80     2379502 :     int task_id() const { return task_id_; }
      81             : 
      82             : private:
      83             :     typedef std::map<std::string, CreateFunction> FactoryMap;
      84             :     typedef std::map<std::string, DBGraph *> GraphMap;
      85             : 
      86             :     static int partition_count_;
      87             :     static FactoryMap *factories();
      88             : 
      89             :     std::mutex mutex_;
      90             :     int task_id_;
      91             :     std::vector<DBPartition *> partitions_;
      92             :     TableMap tables_;
      93             :     GraphMap graph_map_;
      94             :     std::unique_ptr<DBTableWalker> walker_;
      95             :     std::unique_ptr<DBTableWalkMgr> walk_mgr_;
      96             : 
      97             :     DISALLOW_COPY_AND_ASSIGN(DB);
      98             : };
      99             : 
     100             : #endif

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