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lh_stats.c
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1 /* crypto/lhash/lh_stats.c */
2 /* Copyright (C) 1995-1998 Eric Young ([email protected])
3  * All rights reserved.
4  *
5  * This package is an SSL implementation written
6  * by Eric Young ([email protected]).
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 ([email protected]).
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 ([email protected])"
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 ([email protected])"
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);
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",
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