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: 8 12 66.7 %
Date: 2026-05-15 13:12:55 Functions: 5 8 62.5 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /*
       2             :  * Copyright (c) 2013 Juniper Networks, Inc. All rights reserved.
       3             :  */
       4             : 
       5             : #ifndef ctrlplane_db_h
       6             : #define ctrlplane_db_h
       7             : 
       8             : #include <map>
       9             : #include <vector>
      10             : #include <mutex>
      11             : 
      12             : #include <boost/function.hpp>
      13             : 
      14             : #include "base/util.h"
      15             : 
      16             : class DBGraph;
      17             : class DBPartition;
      18             : class DBTableBase;
      19             : class DBTableWalker;
      20             : class DBTableWalkMgr;
      21             : 
      22             : // A database is a collection of tables.
      23             : // The storage is implemented by a set of shards (DB Partitions).
      24             : class DB {
      25             : public:
      26             :     typedef boost::function<DBTableBase *(DB *, const std::string &)>
      27             :         CreateFunction;
      28             :     typedef std::map<std::string, DBTableBase *> TableMap;
      29             :     typedef TableMap::iterator iterator;
      30             :     typedef TableMap::const_iterator const_iterator;
      31             : 
      32             :     DB(int task_id = -1);
      33             :     ~DB();
      34             : 
      35             :     // Get the partition with the specified id.
      36             :     DBPartition *GetPartition(int index);
      37             :     const DBPartition *GetPartition(int index) const;
      38             : 
      39             :     void AddTable(DBTableBase *tbl_base);
      40             : 
      41             :     // Table creation.
      42             :     DBTableBase *CreateTable(const std::string &name);
      43             :     DBTableBase *FindTable(const std::string &name);
      44             :     iterator FindTableIter(const std::string &name);
      45             :     void RemoveTable(DBTableBase *tbl_base);
      46             : 
      47             :     // Table walker
      48         323 :     DBTableWalker *GetWalker() {
      49         323 :         return walker_.get();
      50             :     }
      51     1651653 :     DBTableWalkMgr *GetWalkMgr() {
      52     1651653 :         return walk_mgr_.get();
      53             :     }
      54             : 
      55             :     DBGraph *GetGraph(const std::string &name);
      56             :     void SetGraph(const std::string &name, DBGraph *graph);
      57             :     void SetQueueDisable(bool disable);
      58             : 
      59             :     static void SetPartitionCount(int partition_count);
      60             :     static int PartitionCount();
      61             :     static void RegisterFactory(const std::string &prefix,
      62             :                                 CreateFunction create_fn);
      63             :     static void ClearFactoryRegistry();
      64             : 
      65             :     void Clear();
      66             :     bool IsDBQueueEmpty() const;
      67             : 
      68             :     iterator begin() { return tables_.begin(); }
      69     1222463 :     iterator end() { return tables_.end(); }
      70        8160 :     iterator lower_bound(const std::string &name) {
      71        8160 :         return tables_.lower_bound(name);
      72             :     }
      73           0 :     const_iterator const_begin() { return tables_.begin(); }
      74           0 :     const_iterator const_end() { return tables_.end(); }
      75           0 :     const_iterator const_lower_bound(const std::string &name) {
      76           0 :         return tables_.lower_bound(name);
      77             :     }
      78             : 
      79     2357347 :     int task_id() const { return task_id_; }
      80             : 
      81             : private:
      82             :     typedef std::map<std::string, CreateFunction> FactoryMap;
      83             :     typedef std::map<std::string, DBGraph *> GraphMap;
      84             : 
      85             :     static int partition_count_;
      86             :     static FactoryMap *factories();
      87             : 
      88             :     std::mutex mutex_;
      89             :     int task_id_;
      90             :     std::vector<DBPartition *> partitions_;
      91             :     TableMap tables_;
      92             :     GraphMap graph_map_;
      93             :     std::unique_ptr<DBTableWalker> walker_;
      94             :     std::unique_ptr<DBTableWalkMgr> walk_mgr_;
      95             : 
      96             :     DISALLOW_COPY_AND_ASSIGN(DB);
      97             : };
      98             : 
      99             : #endif

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