Line data    Source code

       1             : /*
       2             :  * Copyright (c) 2013 Juniper Networks, Inc. All rights reserved.
       3             :  */
       4             : 
       5             : #ifndef __ctrlplane__ifmap_link_table__
       6             : #define __ctrlplane__ifmap_link_table__
       7             : 
       8             : #include "db/db_graph_base.h"
       9             : #include "db/db_graph_table.h"
      10             : 
      11             : struct IFMapOrigin;
      12             : class DBGraph;
      13             : class IFMapLink;
      14             : class IFMapNode;
      15             : class IFMapTable;
      16             : 
      17             : class IFMapLinkTable : public DBGraphTable {
      18             : public:
      19             :     static const int kPartitionCount = 1;
      20             :     struct RequestKey : DBRequestKey {
      21             :         std::string name;
      22             :     };
      23             :     struct RequestData : DBRequestData {
      24             :         // Intentionally left blank.
      25             :     };
      26             : 
      27             :     IFMapLinkTable(DB *db, const std::string &name, DBGraph *graph);
      28             : 
      29       16428 :     virtual int PartitionCount() const {
      30       16428 :         return kPartitionCount;
      31             :     }
      32             : 
      33             :     // The Link table is modified from the IFMapTable code directly. Its input
      34             :     // method should never be called.
      35             :     virtual void Input(DBTablePartition *partition, DBClient *client,
      36             :                        DBRequest *req);
      37             : 
      38             :     std::string LinkKey(const std::string &metadata, IFMapNode *left,
      39             :                         IFMapNode *right);
      40             :     IFMapLink *AddLink(IFMapNode *left, IFMapNode *right,
      41             :                        const std::string &metadata, uint64_t sequence_number,
      42             :                        const IFMapOrigin &origin);
      43             :     void DeleteLink(IFMapLink *link, const IFMapOrigin &origin);
      44             :     void DeleteLink(IFMapLink *link);
      45             : 
      46             :     virtual std::unique_ptr<DBEntry> AllocEntry(const DBRequestKey *key) const;
      47             : 
      48             :     void Clear();
      49             : 
      50             :     static DBTable *CreateTable(DB *db, const std::string &name,
      51             :                                 DBGraph *graph);
      52             :     IFMapLink *FindLink(const std::string &metadata, IFMapNode *left, IFMapNode *right);
      53             :     IFMapLink *FindLink(const std::string &name);
      54             :     IFMapLink *FindNextLink(const std::string &name);
      55             : };
      56             : 
      57             : extern void IFMapLinkTable_Init(DB *db, DBGraph *graph);
      58             : extern void IFMapLinkTable_Clear(DB *db);
      59             : 
      60             : #endif /* defined(__ctrlplane__ifmap_link_table__) */