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      1 /* crypto/lhash/lh_stats.c */
      2 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com)
      3  * All rights reserved.
      4  *
      5  * This package is an SSL implementation written
      6  * by Eric Young (eay (at) cryptsoft.com).
      7  * The implementation was written so as to conform with Netscapes SSL.
      8  *
      9  * This library is free for commercial and non-commercial use as long as
     10  * the following conditions are aheared to.  The following conditions
     11  * apply to all code found in this distribution, be it the RC4, RSA,
     12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
     13  * included with this distribution is covered by the same copyright terms
     14  * except that the holder is Tim Hudson (tjh (at) cryptsoft.com).
     15  *
     16  * Copyright remains Eric Young's, and as such any Copyright notices in
     17  * the code are not to be removed.
     18  * If this package is used in a product, Eric Young should be given attribution
     19  * as the author of the parts of the library used.
     20  * This can be in the form of a textual message at program startup or
     21  * in documentation (online or textual) provided with the package.
     22  *
     23  * Redistribution and use in source and binary forms, with or without
     24  * modification, are permitted provided that the following conditions
     25  * are met:
     26  * 1. Redistributions of source code must retain the copyright
     27  *    notice, this list of conditions and the following disclaimer.
     28  * 2. Redistributions in binary form must reproduce the above copyright
     29  *    notice, this list of conditions and the following disclaimer in the
     30  *    documentation and/or other materials provided with the distribution.
     31  * 3. All advertising materials mentioning features or use of this software
     32  *    must display the following acknowledgement:
     33  *    "This product includes cryptographic software written by
     34  *     Eric Young (eay (at) cryptsoft.com)"
     35  *    The word 'cryptographic' can be left out if the rouines from the library
     36  *    being used are not cryptographic related :-).
     37  * 4. If you include any Windows specific code (or a derivative thereof) from
     38  *    the apps directory (application code) you must include an acknowledgement:
     39  *    "This product includes software written by Tim Hudson (tjh (at) cryptsoft.com)"
     40  *
     41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
     42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     51  * SUCH DAMAGE.
     52  *
     53  * The licence and distribution terms for any publically available version or
     54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
     55  * copied and put under another distribution licence
     56  * [including the GNU Public Licence.]
     57  */
     58 
     59 #include <stdio.h>
     60 #include <string.h>
     61 #include <stdlib.h>
     62 /* If you wish to build this outside of SSLeay, remove the following lines
     63  * and things should work as expected */
     64 #include "cryptlib.h"
     65 
     66 #ifndef OPENSSL_NO_BIO
     67 #include <openssl/bio.h>
     68 #endif
     69 #include <openssl/lhash.h>
     70 
     71 #ifdef OPENSSL_NO_BIO
     72 
     73 void lh_stats(LHASH *lh, FILE *out)
     74 	{
     75 	fprintf(out,"num_items             = %lu\n",lh->num_items);
     76 	fprintf(out,"num_nodes             = %u\n",lh->num_nodes);
     77 	fprintf(out,"num_alloc_nodes       = %u\n",lh->num_alloc_nodes);
     78 	fprintf(out,"num_expands           = %lu\n",lh->num_expands);
     79 	fprintf(out,"num_expand_reallocs   = %lu\n",lh->num_expand_reallocs);
     80 	fprintf(out,"num_contracts         = %lu\n",lh->num_contracts);
     81 	fprintf(out,"num_contract_reallocs = %lu\n",lh->num_contract_reallocs);
     82 	fprintf(out,"num_hash_calls        = %lu\n",lh->num_hash_calls);
     83 	fprintf(out,"num_comp_calls        = %lu\n",lh->num_comp_calls);
     84 	fprintf(out,"num_insert            = %lu\n",lh->num_insert);
     85 	fprintf(out,"num_replace           = %lu\n",lh->num_replace);
     86 	fprintf(out,"num_delete            = %lu\n",lh->num_delete);
     87 	fprintf(out,"num_no_delete         = %lu\n",lh->num_no_delete);
     88 	fprintf(out,"num_retrieve          = %lu\n",lh->num_retrieve);
     89 	fprintf(out,"num_retrieve_miss     = %lu\n",lh->num_retrieve_miss);
     90 	fprintf(out,"num_hash_comps        = %lu\n",lh->num_hash_comps);
     91 #if 0
     92 	fprintf(out,"p                     = %u\n",lh->p);
     93 	fprintf(out,"pmax                  = %u\n",lh->pmax);
     94 	fprintf(out,"up_load               = %lu\n",lh->up_load);
     95 	fprintf(out,"down_load             = %lu\n",lh->down_load);
     96 #endif
     97 	}
     98 
     99 void lh_node_stats(LHASH *lh, FILE *out)
    100 	{
    101 	LHASH_NODE *n;
    102 	unsigned int i,num;
    103 
    104 	for (i=0; i<lh->num_nodes; i++)
    105 		{
    106 		for (n=lh->b[i],num=0; n != NULL; n=n->next)
    107 			num++;
    108 		fprintf(out,"node %6u -> %3u\n",i,num);
    109 		}
    110 	}
    111 
    112 void lh_node_usage_stats(LHASH *lh, FILE *out)
    113 	{
    114 	LHASH_NODE *n;
    115 	unsigned long num;
    116 	unsigned int i;
    117 	unsigned long total=0,n_used=0;
    118 
    119 	for (i=0; i<lh->num_nodes; i++)
    120 		{
    121 		for (n=lh->b[i],num=0; n != NULL; n=n->next)
    122 			num++;
    123 		if (num != 0)
    124 			{
    125 			n_used++;
    126 			total+=num;
    127 			}
    128 		}
    129 	fprintf(out,"%lu nodes used out of %u\n",n_used,lh->num_nodes);
    130 	fprintf(out,"%lu items\n",total);
    131 	if (n_used == 0) return;
    132 	fprintf(out,"load %d.%02d  actual load %d.%02d\n",
    133 		(int)(total/lh->num_nodes),
    134 		(int)((total%lh->num_nodes)*100/lh->num_nodes),
    135 		(int)(total/n_used),
    136 		(int)((total%n_used)*100/n_used));
    137 	}
    138 
    139 #else
    140 
    141 #ifndef OPENSSL_NO_FP_API
    142 void lh_stats(const LHASH *lh, FILE *fp)
    143 	{
    144 	BIO *bp;
    145 
    146 	bp=BIO_new(BIO_s_file());
    147 	if (bp == NULL) goto end;
    148 	BIO_set_fp(bp,fp,BIO_NOCLOSE);
    149 	lh_stats_bio(lh,bp);
    150 	BIO_free(bp);
    151 end:;
    152 	}
    153 
    154 void lh_node_stats(const LHASH *lh, FILE *fp)
    155 	{
    156 	BIO *bp;
    157 
    158 	bp=BIO_new(BIO_s_file());
    159 	if (bp == NULL) goto end;
    160 	BIO_set_fp(bp,fp,BIO_NOCLOSE);
    161 	lh_node_stats_bio(lh,bp);
    162 	BIO_free(bp);
    163 end:;
    164 	}
    165 
    166 void lh_node_usage_stats(const LHASH *lh, FILE *fp)
    167 	{
    168 	BIO *bp;
    169 
    170 	bp=BIO_new(BIO_s_file());
    171 	if (bp == NULL) goto end;
    172 	BIO_set_fp(bp,fp,BIO_NOCLOSE);
    173 	lh_node_usage_stats_bio(lh,bp);
    174 	BIO_free(bp);
    175 end:;
    176 	}
    177 
    178 #endif
    179 
    180 void lh_stats_bio(const LHASH *lh, BIO *out)
    181 	{
    182 	BIO_printf(out,"num_items             = %lu\n",lh->num_items);
    183 	BIO_printf(out,"num_nodes             = %u\n",lh->num_nodes);
    184 	BIO_printf(out,"num_alloc_nodes       = %u\n",lh->num_alloc_nodes);
    185 	BIO_printf(out,"num_expands           = %lu\n",lh->num_expands);
    186 	BIO_printf(out,"num_expand_reallocs   = %lu\n",
    187 		   lh->num_expand_reallocs);
    188 	BIO_printf(out,"num_contracts         = %lu\n",lh->num_contracts);
    189 	BIO_printf(out,"num_contract_reallocs = %lu\n",
    190 		   lh->num_contract_reallocs);
    191 	BIO_printf(out,"num_hash_calls        = %lu\n",lh->num_hash_calls);
    192 	BIO_printf(out,"num_comp_calls        = %lu\n",lh->num_comp_calls);
    193 	BIO_printf(out,"num_insert            = %lu\n",lh->num_insert);
    194 	BIO_printf(out,"num_replace           = %lu\n",lh->num_replace);
    195 	BIO_printf(out,"num_delete            = %lu\n",lh->num_delete);
    196 	BIO_printf(out,"num_no_delete         = %lu\n",lh->num_no_delete);
    197 	BIO_printf(out,"num_retrieve          = %lu\n",lh->num_retrieve);
    198 	BIO_printf(out,"num_retrieve_miss     = %lu\n",lh->num_retrieve_miss);
    199 	BIO_printf(out,"num_hash_comps        = %lu\n",lh->num_hash_comps);
    200 #if 0
    201 	BIO_printf(out,"p                     = %u\n",lh->p);
    202 	BIO_printf(out,"pmax                  = %u\n",lh->pmax);
    203 	BIO_printf(out,"up_load               = %lu\n",lh->up_load);
    204 	BIO_printf(out,"down_load             = %lu\n",lh->down_load);
    205 #endif
    206 	}
    207 
    208 void lh_node_stats_bio(const LHASH *lh, BIO *out)
    209 	{
    210 	LHASH_NODE *n;
    211 	unsigned int i,num;
    212 
    213 	for (i=0; i<lh->num_nodes; i++)
    214 		{
    215 		for (n=lh->b[i],num=0; n != NULL; n=n->next)
    216 			num++;
    217 		BIO_printf(out,"node %6u -> %3u\n",i,num);
    218 		}
    219 	}
    220 
    221 void lh_node_usage_stats_bio(const LHASH *lh, BIO *out)
    222 	{
    223 	LHASH_NODE *n;
    224 	unsigned long num;
    225 	unsigned int i;
    226 	unsigned long total=0,n_used=0;
    227 
    228 	for (i=0; i<lh->num_nodes; i++)
    229 		{
    230 		for (n=lh->b[i],num=0; n != NULL; n=n->next)
    231 			num++;
    232 		if (num != 0)
    233 			{
    234 			n_used++;
    235 			total+=num;
    236 			}
    237 		}
    238 	BIO_printf(out,"%lu nodes used out of %u\n",n_used,lh->num_nodes);
    239 	BIO_printf(out,"%lu items\n",total);
    240 	if (n_used == 0) return;
    241 	BIO_printf(out,"load %d.%02d  actual load %d.%02d\n",
    242 		   (int)(total/lh->num_nodes),
    243 		   (int)((total%lh->num_nodes)*100/lh->num_nodes),
    244 		   (int)(total/n_used),
    245 		   (int)((total%n_used)*100/n_used));
    246 	}
    247 
    248 #endif
    249