| /* |
| * Copyright 1995-2022 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 = 0\n"); |
| BIO_printf(out, "num_expand_reallocs = 0\n"); |
| BIO_printf(out, "num_contracts = 0\n"); |
| BIO_printf(out, "num_contract_reallocs = 0\n"); |
| BIO_printf(out, "num_hash_calls = 0\n"); |
| BIO_printf(out, "num_comp_calls = 0\n"); |
| BIO_printf(out, "num_insert = 0\n"); |
| BIO_printf(out, "num_replace = 0\n"); |
| BIO_printf(out, "num_delete = 0\n"); |
| BIO_printf(out, "num_no_delete = 0\n"); |
| BIO_printf(out, "num_retrieve = 0\n"); |
| BIO_printf(out, "num_retrieve_miss = 0\n"); |
| BIO_printf(out, "num_hash_comps = 0\n"); |
| } |
| |
| 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)); |
| } |