dnode.h

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/* lib/dnode.h
 *
 * These are the data nodes that the DFS uses.
 *
 */
#ifndef DNODE_H_
#define DNODE_H_
 
#ifdef __cplusplus
extern "C" {
#endif
 
/* ----- Includes ----- */
 
#include "lib.h"
#include "list.h"
#include "uuid.h"
#include "enchufe.h"
 
/* ---- Macros ----- */
 
#define DNODE_TABLE "data/dnode.bin"
 
/* ----- Types ----- */

typedef struct {
    UUID nid;        
    IPv4 address;    
    Port port;      
} DNode;
 

typedef struct {
    DNode dnode;  
    UUID cid;        
    size_t seq;      
} DNodeInfo;
 
/* ----- Functions ----- */
 
 
// Define List for data nodes
DefList(DNode)
 
// Define List for data node infos
DefList(DNodeInfo)
 

Buffer DNode_serialize(DNode dnode);

DNode DNode_deserialize(Buffer buf);

Buffer ListDNode_serialize(ListDNode list);

ListDNode ListDNode_deserialize(Buffer buf);

Buffer DNodeInfo_serialize(DNodeInfo dinfo);

DNodeInfo DNodeInfo_deserialize(Buffer buf);

Buffer ListDNodeInfo_serialize(ListDNodeInfo list);

ListDNodeInfo ListDNodeInfo_deserialize(Buffer buf);

void insert_into_dnode(IPv4 address, Port port);

ListDNode select_from_dnode(UUID* nid, IPv4* address, Port* port);

ListDNode DNode_get_db(void);
 

void DNode_set_db(ListDNode dnodes);

void print_dnode(DNode dnode);
 

ListDNodeInfo insert(ListDNodeInfo l, DNodeInfo a);

ListDNodeInfo sort(ListDNodeInfo l);
 
#ifdef __cplusplus
}
#endif
 
#endif // DNODE_H_