lh_stats.c revision 68651
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
73void 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
99void 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
112void 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
142void 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);
151end:;
152	}
153
154void 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);
163end:;
164	}
165
166void 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);
175end:;
176	}
177
178#endif
179
180void 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
228void 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
243void 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