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/home/brennan/Software/sensix/tools/sim/sim_graph.c Go to the documentation of this file. /* * Copyright 2008. Los Alamos National Security, LLC. This material * was produced under U.S. Government contract DE-AC52-06NA25396 for * Los Alamos National Laboratory (LANL), which is operated by Los * Alamos National Security, LLC, for the Department of Energy. The * U.S. Government has rights to use, reproduce, and distribute this * software. NEITHER THE GOVERNMENT NOR LOS ALAMOS NATIONAL SECURITY, * LLC, MAKES ANY WARRANTY, EXPRESS OR IMPLIED, OR ASSUMES ANY LEGAL * LIABILITY FOR THE USE OF THIS SOFTWARE. If software is modified to * produce derivative works, such modified software should be clearly * marked, so as not to confuse it with the version available from LANL. * * Additionally, this program is free software; you can redistribute * it and/or modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; version 2 of * the License. Accordingly, this program is distributed in the hope * it will be useful, but WITHOUT ANY WARRANTY; without even the * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR * PURPOSE. See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <errno.h> #include <igraph/igraph.h> #ifndef DEPLOY_SENSORS_FILE #define DEPLOY_SENSORS_FILE "deploy_sensors.R" #endif int EuclideanNeighbors(const char *network, unsigned int x, unsigned int y, unsigned int radius, igraph_t *neighbor_graph) { const char *R_file = DEPLOY_SENSORS_FILE; const char *neighborhood = ".tmp.gml"; FILE *neighborhood_file; int err, stat; char cmd[512]; const char *redirect = " &> /dev/null"; #ifdef DEBUG redirect = ""; #endif sprintf(cmd, "Rscript %s \'SaveNeighborGraph(\"%s\", %u, %u, %u, \"%s\")\'%s", R_file, network, x, y, radius, neighborhood, redirect); #ifdef DEBUG fprintf(stderr, "Executing: %s\n", cmd); #endif if ((stat = system(cmd)) < 0) return -1; if (!WIFEXITED(stat) || WEXITSTATUS(stat) < 0) return -1; if ((neighborhood_file = fopen(neighborhood, "r")) == NULL) { perror("fopen"); return -errno; } if ((err = igraph_read_graph_gml(neighbor_graph, neighborhood_file)) < 0) { perror("igraph_read_graph_gml"); return err; } fclose(neighborhood_file); unlink(neighborhood); return 0; }

© 2008, Los Alamos National Security, LLC.