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/*
* This file is part of RTRlib.
*
* This file is subject to the terms and conditions of the MIT license.
* See the file LICENSE in the top level directory for more details.
*
* Website: http://rtrlib.realmv6.org/
*/
#include "rtrlib/lib/ip.h"
#include "rtrlib/pfx/pfx.h"
#include "rtrlib/pfx/trie/trie-pfx.h"
#include <arpa/inet.h>
#include <pthread.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <time.h>
#include <unistd.h>
uint32_t min_i = 0xFF000000;
uint32_t max_i = 0xFFFFFFF0;
/**
* @brief Add records to prefix table
*/
static void *rec_add(struct pfx_table *pfxt)
{
const int tid = getpid();
struct pfx_record rec;
rec.min_len = 32;
rec.max_len = 32;
rec.prefix.ver = LRTR_IPV4;
rec.prefix.u.addr4.addr = 0;
printf("Inserting %u records\n", (max_i - min_i) * 3);
for (uint32_t i = max_i; i >= min_i; i--) {
rec.min_len = 32;
rec.max_len = 32;
rec.socket = NULL;
rec.asn = tid % 2;
rec.prefix.u.addr4.addr = htonl(i);
rec.prefix.ver = LRTR_IPV4;
pfx_table_add(pfxt, &rec);
rec.asn = (tid % 2) + 1;
pfx_table_add(pfxt, &rec);
rec.min_len = 128;
rec.max_len = 128;
rec.prefix.ver = LRTR_IPV6;
rec.prefix.u.addr6.addr[1] = min_i + 0xFFFFFFFF;
rec.prefix.u.addr6.addr[0] = htonl(i) + 0xFFFFFFFF;
pfx_table_add(pfxt, &rec);
usleep(rand() / (RAND_MAX / 20));
}
return NULL;
}
/**
* @brief Validate records in prefix table
*/
static void *rec_val(struct pfx_table *pfxt)
{
const int tid = getpid();
struct pfx_record rec;
enum pfxv_state res;
rec.min_len = 32;
rec.max_len = 32;
rec.prefix.ver = LRTR_IPV4;
rec.prefix.u.addr4.addr = 0;
printf("validating..\n");
for (uint32_t i = max_i; i >= min_i; i--) {
rec.min_len = 32;
rec.max_len = 32;
rec.prefix.ver = LRTR_IPV4;
rec.prefix.u.addr4.addr = htonl(i);
pfx_table_validate(pfxt, (tid % 2), &rec.prefix, rec.min_len, &res);
pfx_table_validate(pfxt, (tid % 2) + 1, &rec.prefix, rec.min_len, &res);
rec.min_len = 128;
rec.max_len = 128;
rec.prefix.ver = LRTR_IPV6;
rec.prefix.u.addr6.addr[1] = min_i + 0xFFFFFFFF;
rec.prefix.u.addr6.addr[0] = htonl(i) + 0xFFFFFFFF;
pfx_table_validate(pfxt, (tid % 2) + 1, &rec.prefix, rec.min_len, &res);
usleep(rand() / (RAND_MAX / 20));
}
return NULL;
}
/**
* @brief Delete records from prefix table
*/
static void *rec_del(struct pfx_table *pfxt)
{
const int tid = getpid();
struct pfx_record rec;
rec.min_len = 32;
rec.max_len = 32;
rec.prefix.ver = LRTR_IPV4;
rec.prefix.u.addr4.addr = 0;
printf("removing records\n");
for (uint32_t i = max_i; i >= min_i; i--) {
rec.socket = NULL;
rec.min_len = 32;
rec.max_len = 32;
rec.asn = tid % 2;
rec.prefix.ver = LRTR_IPV4;
rec.prefix.u.addr4.addr = htonl(i);
pfx_table_remove(pfxt, &rec);
rec.asn = (tid % 2) + 1;
pfx_table_remove(pfxt, &rec);
rec.prefix.ver = LRTR_IPV6;
rec.min_len = 128;
rec.max_len = 128;
rec.prefix.u.addr6.addr[1] = min_i + 0xFFFFFFFF;
rec.prefix.u.addr6.addr[0] = htonl(i) + 0xFFFFFFFF;
pfx_table_remove(pfxt, &rec);
usleep(rand() / (RAND_MAX / 20));
}
printf("Done\n");
return NULL;
}
/**
* @brief Test concurrent operations on pfx_table
* This test creates 15 (random) threads that add, delete, or validate huge
* numbers of entries in/to/from a pfx_table.
*
* NOTE: this test takes a (very) long time to complete, use with care!
*/
int main(void)
{
unsigned int max_threads = 15;
struct pfx_table pfxt;
pthread_t threads[max_threads];
pfx_table_init(&pfxt, NULL);
srand(time(NULL));
for (unsigned int i = 0; i < max_threads; i++) {
int r = rand() / (RAND_MAX / 3);
if (r == 0)
pthread_create(&threads[i], NULL, (void *(*)(void *))rec_add, &pfxt);
else if (r == 1)
pthread_create(&threads[i], NULL, (void *(*)(void *))rec_del, &pfxt);
else if (r == 2)
pthread_create(&threads[i], NULL, (void *(*)(void *))rec_val, &pfxt);
printf("Started Thread %d\n", i);
usleep(200);
}
for (unsigned int i = 0; i < max_threads; i++) {
pthread_join(threads[i], NULL);
printf("Thread %i returned\n", i);
}
return EXIT_SUCCESS;
}
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