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__ifmap_link_table__
       7             : #define __ctrlplane__ifmap_link_table__
       8             : 
       9             : #include "db/db_graph_base.h"
      10             : #include "db/db_graph_table.h"
      11             : 
      12             : struct IFMapOrigin;
      13             : class DBGraph;
      14             : class IFMapLink;
      15             : class IFMapNode;
      16             : class IFMapTable;
      17             : 
      18             : class IFMapLinkTable : public DBGraphTable {
      19             : public:
      20             :     static const int kPartitionCount = 1;
      21             :     struct RequestKey : DBRequestKey {
      22             :         std::string name;
      23             :     };
      24             :     struct RequestData : DBRequestData {
      25             :         // Intentionally left blank.
      26             :     };
      27             : 
      28             :     IFMapLinkTable(DB *db, const std::string &name, DBGraph *graph);
      29             : 
      30       16440 :     virtual int PartitionCount() const {
      31       16440 :         return kPartitionCount;
      32             :     }
      33             : 
      34             :     // The Link table is modified from the IFMapTable code directly. Its input
      35             :     // method should never be called.
      36             :     virtual void Input(DBTablePartition *partition, DBClient *client,
      37             :                        DBRequest *req);
      38             : 
      39             :     std::string LinkKey(const std::string &metadata, IFMapNode *left,
      40             :                         IFMapNode *right);
      41             :     IFMapLink *AddLink(IFMapNode *left, IFMapNode *right,
      42             :                        const std::string &metadata, uint64_t sequence_number,
      43             :                        const IFMapOrigin &origin);
      44             :     void DeleteLink(IFMapLink *link, const IFMapOrigin &origin);
      45             :     void DeleteLink(IFMapLink *link);
      46             : 
      47             :     virtual std::unique_ptr<DBEntry> AllocEntry(const DBRequestKey *key) const;
      48             : 
      49             :     void Clear();
      50             : 
      51             :     static DBTable *CreateTable(DB *db, const std::string &name,
      52             :                                 DBGraph *graph);
      53             :     IFMapLink *FindLink(const std::string &metadata, IFMapNode *left, IFMapNode *right);
      54             :     IFMapLink *FindLink(const std::string &name);
      55             :     IFMapLink *FindNextLink(const std::string &name);
      56             : };
      57             : 
      58             : extern void IFMapLinkTable_Init(DB *db, DBGraph *graph);
      59             : extern void IFMapLinkTable_Clear(DB *db);
      60             : 
      61             : #endif /* defined(__ctrlplane__ifmap_link_table__) */