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