1 /*
2  * Copyright (c) 2004      Matthew Gream
3  * Copyright (c) 2001-2005 Willem Dijkstra
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  *
10  *    - Redistributions of source code must retain the above copyright
11  *      notice, this list of conditions and the following disclaimer.
12  *    - Redistributions in binary form must reproduce the above
13  *      copyright notice, this list of conditions and the following
14  *      disclaimer in the documentation and/or other materials provided
15  *      with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
20  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
21  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
23  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
25  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
27  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28  * POSSIBILITY OF SUCH DAMAGE.
29  *
30  */
31 
32 /*
33  * Get current debug statistics from kernel and return them in symon_buf as
34  *
35  * debug0 : debug1 : ... : debug19
36  */
37 
38 #include <sys/param.h>
39 #include <sys/sysctl.h>
40 
41 #include <string.h>
42 
43 #include "conf.h"
44 #include "error.h"
45 #include "symon.h"
46 
47 /* Globals for this module start with db_ */
48 static int db_mib[] = { CTL_DEBUG, 0, CTL_DEBUG_VALUE };
49 static int db_v[SYMON_MAXDEBUGID];
50 
51 void
init_debug(struct stream * st)52 init_debug(struct stream *st)
53 {
54     info("started module debug(%.200s)", st->arg);
55 }
56 
57 int
get_debug(char * symon_buf,int maxlen,struct stream * st)58 get_debug(char *symon_buf, int maxlen, struct stream *st)
59 {
60     size_t len;
61     int i;
62 
63     bzero((void *) db_v, sizeof(db_v));
64     len = sizeof(int);
65 
66     for (i = 0; i < SYMON_MAXDEBUGID; i++) {
67         db_mib[1] = i;
68 
69         sysctl(db_mib, sizeof(db_mib)/sizeof(int), &db_v[i], &len, NULL, 0);
70     }
71 
72     return snpack(symon_buf, maxlen, st->arg, MT_DEBUG,
73                   db_v[0], db_v[1], db_v[2], db_v[3], db_v[4], db_v[5], db_v[6],
74                   db_v[7], db_v[8], db_v[9], db_v[10], db_v[11], db_v[12], db_v[13],
75                   db_v[14], db_v[15], db_v[16], db_v[17], db_v[18], db_v[19]);
76 
77 }
78