examples/msg/dht-kademlia/routing_table.h

   1 /* Copyright (c) 2012-2019. The SimGrid Team.
   2  * All rights reserved.                                                     */
   3
   4 /* This program is free software; you can redistribute it and/or modify it
   5  * under the terms of the license (GNU LGPL) which comes with this package. */
   6
   7 #ifndef _MSG_KADEMLIA_EXAMPLES_ROUTING_TABLE
   8 #define _MSG_KADEMLIA_EXAMPLES_ROUTING_TABLE
   9 #include "common.h"
  10 #include <xbt/dynar.h>
  11
  12 /* Routing table bucket */
  13 typedef struct s_bucket {
  14   xbt_dynar_t nodes;            //Nodes in the bucket.
  15   unsigned int id;              //bucket id
  16 } s_bucket_t;
  17
  18 typedef s_bucket_t *bucket_t;
  19
  20 /* Node routing table */
  21 typedef struct s_routing_table {
  22   unsigned int id;              //node id of the client's routing table
  23   s_bucket_t *buckets;          //Node bucket list - 160 sized.
  24 } s_routing_table_t;
  25
  26 typedef s_routing_table_t *routing_table_t;
  27
  28 // bucket functions
  29 unsigned int bucket_find_id(bucket_t bucket, unsigned int id);
  30 unsigned int bucket_contains(bucket_t bucket, unsigned int id);
  31
  32 // routing table functions
  33 routing_table_t routing_table_init(unsigned int node_id);
  34 void routing_table_free(routing_table_t table);
  35 unsigned int routing_table_contains(routing_table_t table, unsigned int node_id);
  36 void routing_table_print(routing_table_t table);
  37 bucket_t routing_table_find_bucket(routing_table_t table, unsigned int id);
  38
  39 #endif                          /* _MSG_KADEMLIA_EXAMPLES_ROUTING_TABLE */