1 /* Copyright (c) 2012-2019. The SimGrid Team.
2 * All rights reserved. */
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. */
7 #ifndef _MSG_EXAMPLES_ROUTING_H
8 #define _MSG_EXAMPLES_ROUTING_H
10 #include "simgrid/msg.h"
14 #include "routing_table.h"
16 /* Information about a foreign node */
17 typedef struct s_node_contact {
18 unsigned int id; //The node identifier
19 unsigned int distance; //The distance from the node
22 typedef s_node_contact_t *node_contact_t;
23 typedef const s_node_contact_t* const_node_contact_t;
26 typedef struct s_node {
27 unsigned int id; //node id - 160 bits
28 routing_table_t table; //node routing table
29 msg_comm_t receive_comm; //current receiving communication.
30 msg_task_t task_received; //current task being received
32 char mailbox[MAILBOX_NAME_SIZE]; //node mailbox
33 unsigned int find_node_success; //Number of find_node which have succeeded.
34 unsigned int find_node_failed; //Number of find_node which have failed.
38 typedef s_node_t *node_t;
39 typedef const s_node_t* const_node_t;
42 node_t node_init(unsigned int id);
43 void node_free(node_t node);
44 void node_routing_table_update(const_node_t node, unsigned int id);
45 answer_t node_find_closest(const_node_t node, unsigned int destination_id);
47 // identifier functions
48 unsigned int get_id_in_prefix(unsigned int id, unsigned int prefix);
49 unsigned int get_node_prefix(unsigned int id, unsigned int nb_bits);
50 void get_node_mailbox(unsigned int id, char *mailbox);
52 // node contact functions
53 node_contact_t node_contact_new(unsigned int id, unsigned int distance);
54 node_contact_t node_contact_copy(const_node_contact_t node_contact);
55 void node_contact_free(node_contact_t contact);
56 #endif /* _MSG_EXAMPLES_ROUTING_H */