xref: /freebsd/crypto/openssl/crypto/lhash/lh_stats.c (revision 1b6c76a2fe091c74f08427e6c870851025a9cf67)
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 NO_BIO
67 #include <openssl/bio.h>
68 #endif
69 #include <openssl/lhash.h>
70 
71 #ifdef 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 #ifdef DEBUG
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 NO_FP_API
142 void lh_stats(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(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(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(LHASH *lh, BIO *out)
181 	{
182 	char buf[128];
183 
184 	sprintf(buf,"num_items             = %lu\n",lh->num_items);
185 	BIO_puts(out,buf);
186 	sprintf(buf,"num_nodes             = %u\n",lh->num_nodes);
187 	BIO_puts(out,buf);
188 	sprintf(buf,"num_alloc_nodes       = %u\n",lh->num_alloc_nodes);
189 	BIO_puts(out,buf);
190 	sprintf(buf,"num_expands           = %lu\n",lh->num_expands);
191 	BIO_puts(out,buf);
192 	sprintf(buf,"num_expand_reallocs   = %lu\n",lh->num_expand_reallocs);
193 	BIO_puts(out,buf);
194 	sprintf(buf,"num_contracts         = %lu\n",lh->num_contracts);
195 	BIO_puts(out,buf);
196 	sprintf(buf,"num_contract_reallocs = %lu\n",lh->num_contract_reallocs);
197 	BIO_puts(out,buf);
198 	sprintf(buf,"num_hash_calls        = %lu\n",lh->num_hash_calls);
199 	BIO_puts(out,buf);
200 	sprintf(buf,"num_comp_calls        = %lu\n",lh->num_comp_calls);
201 	BIO_puts(out,buf);
202 	sprintf(buf,"num_insert            = %lu\n",lh->num_insert);
203 	BIO_puts(out,buf);
204 	sprintf(buf,"num_replace           = %lu\n",lh->num_replace);
205 	BIO_puts(out,buf);
206 	sprintf(buf,"num_delete            = %lu\n",lh->num_delete);
207 	BIO_puts(out,buf);
208 	sprintf(buf,"num_no_delete         = %lu\n",lh->num_no_delete);
209 	BIO_puts(out,buf);
210 	sprintf(buf,"num_retrieve          = %lu\n",lh->num_retrieve);
211 	BIO_puts(out,buf);
212 	sprintf(buf,"num_retrieve_miss     = %lu\n",lh->num_retrieve_miss);
213 	BIO_puts(out,buf);
214 	sprintf(buf,"num_hash_comps        = %lu\n",lh->num_hash_comps);
215 	BIO_puts(out,buf);
216 #ifdef DEBUG
217 	sprintf(buf,"p                     = %u\n",lh->p);
218 	BIO_puts(out,buf);
219 	sprintf(buf,"pmax                  = %u\n",lh->pmax);
220 	BIO_puts(out,buf);
221 	sprintf(buf,"up_load               = %lu\n",lh->up_load);
222 	BIO_puts(out,buf);
223 	sprintf(buf,"down_load             = %lu\n",lh->down_load);
224 	BIO_puts(out,buf);
225 #endif
226 	}
227 
228 void lh_node_stats_bio(LHASH *lh, BIO *out)
229 	{
230 	LHASH_NODE *n;
231 	unsigned int i,num;
232 	char buf[128];
233 
234 	for (i=0; i<lh->num_nodes; i++)
235 		{
236 		for (n=lh->b[i],num=0; n != NULL; n=n->next)
237 			num++;
238 		sprintf(buf,"node %6u -> %3u\n",i,num);
239 		BIO_puts(out,buf);
240 		}
241 	}
242 
243 void lh_node_usage_stats_bio(LHASH *lh, BIO *out)
244 	{
245 	LHASH_NODE *n;
246 	unsigned long num;
247 	unsigned int i;
248 	unsigned long total=0,n_used=0;
249 	char buf[128];
250 
251 	for (i=0; i<lh->num_nodes; i++)
252 		{
253 		for (n=lh->b[i],num=0; n != NULL; n=n->next)
254 			num++;
255 		if (num != 0)
256 			{
257 			n_used++;
258 			total+=num;
259 			}
260 		}
261 	sprintf(buf,"%lu nodes used out of %u\n",n_used,lh->num_nodes);
262 	BIO_puts(out,buf);
263 	sprintf(buf,"%lu items\n",total);
264 	BIO_puts(out,buf);
265 	if (n_used == 0) return;
266 	sprintf(buf,"load %d.%02d  actual load %d.%02d\n",
267 		(int)(total/lh->num_nodes),
268 		(int)((total%lh->num_nodes)*100/lh->num_nodes),
269 		(int)(total/n_used),
270 		(int)((total%n_used)*100/n_used));
271 	BIO_puts(out,buf);
272 	}
273 
274 #endif
275