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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/spki/hashtable/ht-spkitable_private.h"
#include <assert.h>
#include <pthread.h>
#include <stdio.h>
#include <string.h>
struct add_records_args {
struct spki_table *table;
int start_asn;
int count;
};
struct remove_records_args {
struct spki_table *table;
int start_asn;
int count;
};
static struct spki_record *create_record(int ASN, int ski_offset, int spki_offset, struct rtr_socket *socket);
/**
* @brief Compare SPKI records for equality
*
* @return true if r1 == r2, false otherwise
*/
static bool compare_spki_records(struct spki_record *r1, struct spki_record *r2)
{
if (r1->asn != r2->asn)
return false;
if (r1->socket != r2->socket)
return false;
if (memcmp(r1->ski, r2->ski, SKI_SIZE) != 0)
return false;
if (memcmp(r1->spki, r2->spki, SPKI_SIZE) != 0)
return false;
return true;
}
/**
* @brief Create a SPKI record
*
* @return new SPKI record
*/
static struct spki_record *create_record(int ASN, int ski_offset, int spki_offset, struct rtr_socket *socket)
{
struct spki_record *record = malloc(sizeof(struct spki_record));
uint32_t i;
record->asn = ASN;
for (i = 0; i < sizeof(record->ski); i++)
record->ski[i] = i + ski_offset;
for (i = 0; i < sizeof(record->spki); i++)
record->spki[i] = i + spki_offset;
record->socket = socket;
return record;
}
/**
* @brief Add records to spki table
* Add 'args->count' records to the spki table 'args->table', start with
* ASN 'args->start_asn'.
*/
static void *add_records(struct add_records_args *args)
{
printf("Add %i records: ASN [%i..%i]\n", args->count, args->start_asn, args->count + args->start_asn - 1);
for (int i = args->start_asn; i < args->count + args->start_asn; i++) {
struct spki_record *record = create_record(i, i, i, NULL);
int ret = spki_table_add_entry(args->table, record);
assert(ret == SPKI_SUCCESS);
free(record);
}
return NULL;
}
/**
* @brief remove records from spki table
* Remove 'args->count' records from the spki table 'args->table'.
*/
static void *remove_records(struct remove_records_args *args)
{
printf("Remove %i records: ASN [%i..%i]\n", args->count, args->start_asn, args->count + args->start_asn - 1);
for (int i = args->start_asn; i < args->count + args->start_asn; i++) {
struct spki_record *record = create_record(i, i, i, NULL);
int ret = spki_table_remove_entry(args->table, record);
assert(ret == SPKI_SUCCESS);
free(record);
}
return NULL;
}
/**
* @brief Test concurrent add and delete operations on spki table
*/
static void lock_test1(void)
{
unsigned int max_threads = 20;
unsigned int records_per_thread = 10000;
struct spki_table spkit;
struct add_records_args args[max_threads];
spki_table_init(&spkit, NULL);
pthread_t threads[max_threads];
/* Concurrently add SPKI records to the table */
for (unsigned int i = 0; i < max_threads; i++) {
args[i].table = &spkit;
args[i].start_asn = i * records_per_thread;
args[i].count = records_per_thread;
pthread_create(&threads[i], NULL, (void *(*)(void *))add_records, &args[i]);
}
/* Wait for parallel add operations to finish */
for (unsigned int i = 0; i < max_threads; i++) {
pthread_join(threads[i], NULL);
printf("Thread %i returned\n", i);
}
/* Check all records for successful add */
struct spki_record *result;
unsigned int result_size = 0;
for (unsigned int i = 0; i < records_per_thread * max_threads; i++) {
struct spki_record *record = create_record(i, i, i, NULL);
spki_table_get_all(&spkit, record->asn, record->ski, &result, &result_size);
assert(result_size == 1);
assert(compare_spki_records(record, &result[0]));
free(result);
free(record);
}
struct remove_records_args remove_args[max_threads];
/* Concurrently delete SPKI records */
for (unsigned int i = 0; i < max_threads; i++) {
remove_args[i].table = &spkit;
remove_args[i].start_asn = i * records_per_thread;
remove_args[i].count = records_per_thread;
pthread_create(&threads[i], NULL, (void *(*)(void *))remove_records, &remove_args[i]);
}
/* Wait for parallel delete operation to finish */
for (unsigned int i = 0; i < max_threads; i++) {
pthread_join(threads[i], NULL);
printf("Thread %i returned\n", i);
}
/* cleanup: free spki_table */
spki_table_free(&spkit);
printf("%s() complete\n", __func__);
}
int main(void)
{
lock_test1();
return EXIT_SUCCESS;
}
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