2 /* Copyright (c) 2012. The SimGrid Team.
3 * All rights reserved. */
5 /* This program is free software; you can redistribute it and/or modify it
6 * under the terms of the license (GNU LGPL) which comes with this package. */
8 #ifndef _MSG_EXAMPLES_ROUTING_H
9 #define _MSG_EXAMPLES_ROUTING_H
10 #include "xbt/dynar.h"
16 #include "routing_table.h"
18 * Information about a foreign node
20 typedef struct s_node_contact {
21 unsigned int id; //The node identifier
22 unsigned int distance; //The distance from the node
23 } s_node_contact_t, *node_contact_t;
28 typedef struct s_node {
29 unsigned int id; //node id - 160 bits
30 routing_table_t table; //node routing table
31 msg_comm_t receive_comm; //current receiving communication.
32 msg_task_t task_received; //current task being received
34 char mailbox[MAILBOX_NAME_SIZE+1]; //node mailbox
35 unsigned int find_node_success; //Number of find_node which have succeeded.
36 unsigned int find_node_failed; //Number of find_node which have failed.
41 node_t node_init(unsigned int id);
42 void node_free(node_t node);
44 void node_routing_table_update(node_t node, unsigned int id);
45 answer_t node_find_closest(node_t node, unsigned int destination_id);
48 // identifier functions
49 unsigned int get_id_in_prefix(unsigned int id, unsigned int prefix);
50 unsigned int get_node_prefix(unsigned int id, unsigned int nb_bits);
51 void get_node_mailbox(unsigned int id, char *mailbox);
53 // node contact functions
54 node_contact_t node_contact_new(unsigned int id, unsigned int distance);
55 node_contact_t node_contact_copy(node_contact_t node_contact);
56 void node_contact_free(node_contact_t contact);
57 #endif /* _MSG_EXAMPLES_ROUTING_H */