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/*
* Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
/*
* If you wish to build this outside of OpenSSL, remove the following lines
* and things should work as expected
*/
#include "internal/cryptlib.h"
#include <openssl/bio.h>
#include <openssl/lhash.h>
#include "lhash_local.h"
# ifndef OPENSSL_NO_STDIO
void OPENSSL_LH_stats(const OPENSSL_LHASH *lh, FILE *fp)
{
BIO *bp;
bp = BIO_new(BIO_s_file());
if (bp == NULL)
return;
BIO_set_fp(bp, fp, BIO_NOCLOSE);
OPENSSL_LH_stats_bio(lh, bp);
BIO_free(bp);
}
void OPENSSL_LH_node_stats(const OPENSSL_LHASH *lh, FILE *fp)
{
BIO *bp;
bp = BIO_new(BIO_s_file());
if (bp == NULL)
return;
BIO_set_fp(bp, fp, BIO_NOCLOSE);
OPENSSL_LH_node_stats_bio(lh, bp);
BIO_free(bp);
}
void OPENSSL_LH_node_usage_stats(const OPENSSL_LHASH *lh, FILE *fp)
{
BIO *bp;
bp = BIO_new(BIO_s_file());
if (bp == NULL)
return;
BIO_set_fp(bp, fp, BIO_NOCLOSE);
OPENSSL_LH_node_usage_stats_bio(lh, bp);
BIO_free(bp);
}
# endif
void OPENSSL_LH_stats_bio(const OPENSSL_LHASH *lh, BIO *out)
{
BIO_printf(out, "num_items = %lu\n", lh->num_items);
BIO_printf(out, "num_nodes = %u\n", lh->num_nodes);
BIO_printf(out, "num_alloc_nodes = %u\n", lh->num_alloc_nodes);
BIO_printf(out, "num_expands = %lu\n", lh->num_expands);
BIO_printf(out, "num_expand_reallocs = %lu\n", lh->num_expand_reallocs);
BIO_printf(out, "num_contracts = %lu\n", lh->num_contracts);
BIO_printf(out, "num_contract_reallocs = %lu\n", lh->num_contract_reallocs);
BIO_printf(out, "num_hash_calls = %lu\n", lh->num_hash_calls);
BIO_printf(out, "num_comp_calls = %lu\n", lh->num_comp_calls);
BIO_printf(out, "num_insert = %lu\n", lh->num_insert);
BIO_printf(out, "num_replace = %lu\n", lh->num_replace);
BIO_printf(out, "num_delete = %lu\n", lh->num_delete);
BIO_printf(out, "num_no_delete = %lu\n", lh->num_no_delete);
BIO_printf(out, "num_retrieve = %lu\n", lh->num_retrieve);
BIO_printf(out, "num_retrieve_miss = %lu\n", lh->num_retrieve_miss);
BIO_printf(out, "num_hash_comps = %lu\n", lh->num_hash_comps);
}
void OPENSSL_LH_node_stats_bio(const OPENSSL_LHASH *lh, BIO *out)
{
OPENSSL_LH_NODE *n;
unsigned int i, num;
for (i = 0; i < lh->num_nodes; i++) {
for (n = lh->b[i], num = 0; n != NULL; n = n->next)
num++;
BIO_printf(out, "node %6u -> %3u\n", i, num);
}
}
void OPENSSL_LH_node_usage_stats_bio(const OPENSSL_LHASH *lh, BIO *out)
{
OPENSSL_LH_NODE *n;
unsigned long num;
unsigned int i;
unsigned long total = 0, n_used = 0;
for (i = 0; i < lh->num_nodes; i++) {
for (n = lh->b[i], num = 0; n != NULL; n = n->next)
num++;
if (num != 0) {
n_used++;
total += num;
}
}
BIO_printf(out, "%lu nodes used out of %u\n", n_used, lh->num_nodes);
BIO_printf(out, "%lu items\n", total);
if (n_used == 0)
return;
BIO_printf(out, "load %d.%02d actual load %d.%02d\n",
(int)(total / lh->num_nodes),
(int)((total % lh->num_nodes) * 100 / lh->num_nodes),
(int)(total / n_used), (int)((total % n_used) * 100 / n_used));
}
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