1 /* crypto/lhash/lh_stats.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@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@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@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@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