N-sim
Emulation and simulation of
Wireless Sensor Networks



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/home/brennan/n-sim/Vaike/linux/system-addons/networking/mesh_neighbor.h

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00001 
00014 /*
00015  * Copyright 2007. Los Alamos National Security, LLC. This material
00016  * was produced under U.S. Government contract DE-AC52-06NA25396 for
00017  * Los Alamos National Laboratory (LANL), which is operated by Los
00018  * Alamos National Security, LLC, for the Department of Energy. The
00019  * U.S. Government has rights to use, reproduce, and distribute this
00020  * software. NEITHER THE GOVERNMENT NOR LOS ALAMOS NATIONAL SECURITY,
00021  * LLC, MAKES ANY WARRANTY, EXPRESS OR IMPLIED, OR ASSUMES ANY LEGAL
00022  * LIABILITY FOR THE USE OF THIS SOFTWARE. If software is modified to
00023  * produce derivative works, such modified software should be clearly
00024  * marked, so as not to confuse it with the version available from LANL.
00025  *
00026  * Additionally, this program is free software; you can redistribute
00027  * it and/or modify it under the terms of the GNU General Public
00028  * License as published by the Free Software Foundation; version 2 of
00029  * the License. Accordingly, this program is distributed in the hope
00030  * it will be useful, but WITHOUT ANY WARRANTY; without even the
00031  * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00032  * PURPOSE. See the GNU General Public License for more details.
00033  */
00034 
00035 #ifndef _MESH_NEIGHBOR_H_
00036 #define _MESH_NEIGHBOR_H_
00037 
00038 #include <netinet/in.h>
00039 #include "sensor_self.h"
00040 #include "mesh_ipc.h"
00041 
00042 
00043 #define MESH_N_COMM_PORT        1010
00044 
00047 typedef struct _neighbor_entry {
00048   unsigned int node_id;
00049   char address[MAC_ADDR_LEN];
00050   double bearing;
00051   double distance; /* meters */
00052 
00053   double lat, lon, alt;
00054   struct sockaddr_in ip;
00055   
00056   struct _neighbor_entry *next;
00057 } neighbor_entry_t;
00058 
00059 void init_n_entry(self_t *self, neighbor_entry_t *entry);
00060 neighbor_entry_t *new_n_entry(self_t *self);
00061 
00062 int add_n_entry(self_t *self, unsigned int id, neighbor_entry_t *entry);
00063 int remove_n_entry(self_t *self, unsigned int id, neighbor_entry_t *entry);
00064 neighbor_entry_t *retrieve_n_entry(self_t *self, unsigned int id);
00065 neighbor_entry_t *iterate_n_entries(self_t *self);
00066 unsigned int num_n_entries(self_t *self);
00067 void empty_n_entries(self_t *self);
00068 
00069 int neighbor_address(self_t *self, char *addr,
00070                      double bearing, double distance);
00071 int neighbor_position(self_t *self, double *bearing, double *distance,
00072                       char *addr);
00073 neighbor_entry_t *neighbor_by_position(self_t *self,
00074                                       double bearing, double distance);
00075 neighbor_entry_t *neighbor_by_ip(self_t *self, struct sockaddr_in *ip);
00076 
00077 int find_neighbors(self_t *self);
00078 int neighbor_discovery(self_t *self);
00079 
00080 
00081 #endif  //  _MESH_NEIGHBOR_H_


© 2007, Los Alamos National Security, LLC.