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/*
* Ouroboros - Copyright (C) 2016 - 2017
*
* Test of the graph structure
*
* Dimitri Staessens <dimitri.staessens@ugent.be>
* Sander Vrijders <sander.vrijders@ugent.be>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that 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., http://www.fsf.org/about/contact/.
*/
#define _POSIX_C_SOURCE 200112L
#include <ouroboros/utils.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "graph.c"
struct graph * graph;
struct routing_table ** table;
ssize_t n_table;
qosspec_t qs;
int graph_test_entries(int entries)
{
n_table = graph_routing_table(graph, 1, &table);
if (n_table != entries) {
printf("Wrong number of entries.\n");
freepp(struct routing_table, table, n_table);
return -1;
}
freepp(struct routing_table, table, n_table);
return 0;
}
int graph_test_double_link(void)
{
n_table = graph_routing_table(graph, 1, &table);
if (n_table < 0 || table == NULL) {
printf("Failed to get routing table.\n");
return -1;
}
if (n_table != 2) {
printf("Wrong number of entries.\n");
freepp(struct routing_table, table, n_table);
return -1;
}
if ((table[0]->dst != 2 && table[0]->nhop != 2) ||
(table[0]->dst != 3 && table[0]->nhop != 2)) {
printf("Wrong routing entry.\n");
freepp(struct routing_table, table, n_table);
return -1;
}
if ((table[1]->dst != 2 && table[1]->nhop != 2) ||
(table[0]->dst != 3 && table[0]->nhop != 2)) {
printf("Wrong routing entry.\n");
freepp(struct routing_table, table, n_table);
return -1;
}
freepp(struct routing_table, table, n_table);
return 0;
}
int graph_test_single_link(void)
{
n_table = graph_routing_table(graph, 1, &table);
if (n_table < 0 || table == NULL) {
printf("Failed to get routing table.\n");
return -1;
}
if (n_table != 1) {
printf("Wrong number of entries.\n");
freepp(struct routing_table, table, n_table);
return -1;
}
if (table[0]->dst != 2 && table[0]->nhop != 2) {
printf("Wrong routing entry.\n");
freepp(struct routing_table, table, n_table);
return -1;
}
freepp(struct routing_table, table, n_table);
return 0;
}
int graph_test(int argc,
char ** argv)
{
int i;
int nhop;
int dst;
(void) argc;
(void) argv;
memset(&qs, 0, sizeof(qs));
graph = graph_create();
if (graph == NULL) {
printf("Failed to create graph.\n");
return -1;
}
graph_destroy(graph);
graph = graph_create();
if (graph == NULL) {
printf("Failed to create graph.\n");
return -1;
}
if (graph_update_edge(graph, 1, 2, qs)) {
printf("Failed to add edge.\n");
graph_destroy(graph);
return -1;
}
if (graph_test_single_link()) {
graph_destroy(graph);
return -1;
}
if (graph_update_edge(graph, 2, 3, qs)) {
printf("Failed to add edge.\n");
graph_destroy(graph);
return -1;
}
if (graph_test_double_link()) {
graph_destroy(graph);
return -1;
}
if (graph_del_edge(graph, 2, 3)) {
printf("Failed to delete edge.\n");
graph_destroy(graph);
return -1;
}
if (graph_test_single_link()) {
graph_destroy(graph);
return -1;
}
graph_update_edge(graph, 2, 3, qs);
graph_update_edge(graph, 1, 3, qs);
if (graph_test_entries(2)) {
graph_destroy(graph);
return -1;
}
graph_update_edge(graph, 3, 4, qs);
graph_update_edge(graph, 4, 5, qs);
if (graph_test_entries(4)) {
graph_destroy(graph);
return -1;
}
graph_update_edge(graph, 2, 6, qs);
graph_update_edge(graph, 6, 7, qs);
graph_update_edge(graph, 3, 7, qs);
if (graph_test_entries(6)) {
graph_destroy(graph);
return -1;
}
n_table = graph_routing_table(graph, 1, &table);
for (i = 0; i < 6; i++) {
nhop = table[i]->nhop;
dst = table[i]->dst;
if (dst == 3 && nhop != 3) {
printf("Wrong entry.");
freepp(struct routing_table, table, n_table);
return -1;
}
if (dst == 2 && nhop != 2) {
printf("Wrong entry.");
freepp(struct routing_table, table, n_table);
return -1;
}
if (dst == 6 && nhop != 2) {
printf("Wrong entry.");
freepp(struct routing_table, table, n_table);
return -1;
}
if (dst == 4 && nhop != 3) {
printf("Wrong entry.");
freepp(struct routing_table, table, n_table);
return -1;
}
if (dst == 5 && nhop != 3) {
printf("Wrong entry.");
freepp(struct routing_table, table, n_table);
return -1;
}
if (dst == 7 && nhop != 3) {
printf("Wrong entry.");
freepp(struct routing_table, table, n_table);
return -1;
}
}
freepp(struct routing_table, table, n_table);
return 0;
}
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