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hostres_snmp.h (154133) hostres_snmp.h (160341)
1/*
2 * Copyright (c) 2005-2006 The FreeBSD Project
3 * All rights reserved.
4 *
5 * Author: Victor Cruceru <soc-victor@freebsd.org>
6 *
7 * Redistribution of this software and documentation and use in source and
8 * binary forms, with or without modification, are permitted provided that

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23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * Host Resources MIB for SNMPd.
30 *
1/*
2 * Copyright (c) 2005-2006 The FreeBSD Project
3 * All rights reserved.
4 *
5 * Author: Victor Cruceru <soc-victor@freebsd.org>
6 *
7 * Redistribution of this software and documentation and use in source and
8 * binary forms, with or without modification, are permitted provided that

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23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * Host Resources MIB for SNMPd.
30 *
31 * $FreeBSD: head/usr.sbin/bsnmpd/modules/snmp_hostres/hostres_snmp.h 154133 2006-01-09 12:33:45Z harti $
31 * $FreeBSD: head/usr.sbin/bsnmpd/modules/snmp_hostres/hostres_snmp.h 160341 2006-07-14 09:07:56Z harti $
32 */
33
34#ifndef HOSTRES_SNMP_H_1132245017
32 */
33
34#ifndef HOSTRES_SNMP_H_1132245017
35#define HOSTRES_SNMP_H_1132245017
35#define HOSTRES_SNMP_H_1132245017
36
37#include <sys/types.h>
38#include <sys/queue.h>
39
40#include <stdio.h>
41#include <fcntl.h>
42#include <kvm.h>
43#include <devinfo.h>
44
45#include <bsnmp/asn1.h>
46#include <bsnmp/snmp.h>
47
48#include <bsnmp/snmpmod.h>
49
50/*
51 * Default package directory for hrSWInstalledTable. Can be overridden
52 * via SNMP or configuration file.
53 */
36
37#include <sys/types.h>
38#include <sys/queue.h>
39
40#include <stdio.h>
41#include <fcntl.h>
42#include <kvm.h>
43#include <devinfo.h>
44
45#include <bsnmp/asn1.h>
46#include <bsnmp/snmp.h>
47
48#include <bsnmp/snmpmod.h>
49
50/*
51 * Default package directory for hrSWInstalledTable. Can be overridden
52 * via SNMP or configuration file.
53 */
54#define PATH_PKGDIR "/var/db/pkg"
54#define PATH_PKGDIR "/var/db/pkg"
55
56/*
57 * These are the default maximum caching intervals for the various tables
58 * in seconds. They can be overridden from the configuration file.
59 */
55
56/*
57 * These are the default maximum caching intervals for the various tables
58 * in seconds. They can be overridden from the configuration file.
59 */
60#define HR_STORAGE_TBL_REFRESH 7
61#define HR_FS_TBL_REFRESH 7
62#define HR_DISK_TBL_REFRESH 7
63#define HR_NETWORK_TBL_REFRESH 7
64#define HR_SWINS_TBL_REFRESH 120
65#define HR_SWRUN_TBL_REFRESH 3
60#define HR_STORAGE_TBL_REFRESH 7
61#define HR_FS_TBL_REFRESH 7
62#define HR_DISK_TBL_REFRESH 7
63#define HR_NETWORK_TBL_REFRESH 7
64#define HR_SWINS_TBL_REFRESH 120
65#define HR_SWRUN_TBL_REFRESH 3
66
67struct tm;
68struct statfs;
69
70/* a debug macro */
71#ifndef NDEBUG
72
73#define HRDBG(...) do { \

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88#define IS_KERNPROC(kp) (((kp)->ki_flag & P_KTHREAD) == P_KTHREAD)
89
90enum snmpTCTruthValue {
91 SNMP_TRUE = 1,
92 SNMP_FALSE= 2
93};
94
95/* The number of CPU load samples per one minute, per each CPU */
66
67struct tm;
68struct statfs;
69
70/* a debug macro */
71#ifndef NDEBUG
72
73#define HRDBG(...) do { \

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88#define IS_KERNPROC(kp) (((kp)->ki_flag & P_KTHREAD) == P_KTHREAD)
89
90enum snmpTCTruthValue {
91 SNMP_TRUE = 1,
92 SNMP_FALSE= 2
93};
94
95/* The number of CPU load samples per one minute, per each CPU */
96#define MAX_CPU_SAMPLES 4
96#define MAX_CPU_SAMPLES 4
97
97
98
98/*
99/*
100 * max len (including '\0'), for device_entry::descr field below,
101 * according to MIB
102 */
103#define DEV_DESCR_MLEN (64 + 1)
104
105/*
106 * max len (including '\0'), for device_entry::name and
107 * device_map_entry::name_key fields below, according to MIB
108 */
109#define DEV_NAME_MLEN (32 + 1)
110
111/*
112 * max len (including '\0'), for device_entry::location and
113 * device_map_entry::location_key fields below, according to MIB
114 */
115#define DEV_LOC_MLEN (128 + 1)
116
117/*
99 * This structure is used to hold a SNMP table entry
100 * for HOST-RESOURCES-MIB's hrDeviceTable
101 */
102struct device_entry {
103 int32_t index;
118 * This structure is used to hold a SNMP table entry
119 * for HOST-RESOURCES-MIB's hrDeviceTable
120 */
121struct device_entry {
122 int32_t index;
104 struct asn_oid type;
105 u_char descr[64 + 1];
106 struct asn_oid id;
107 int32_t status; /* enum DeviceStatus */
123 const struct asn_oid *type;
124 u_char *descr;
125 const struct asn_oid *id; /* only oid_zeroDotZero as (*id) value*/
126 int32_t status; /* enum DeviceStatus */
108 uint32_t errors;
109
127 uint32_t errors;
128
110#define HR_DEVICE_FOUND 0x001
129#define HR_DEVICE_FOUND 0x001
111 /* not dectected by libdevice, so don't try to refresh it*/
130 /* not dectected by libdevice, so don't try to refresh it*/
112#define HR_DEVICE_IMMUTABLE 0x002
131#define HR_DEVICE_IMMUTABLE 0x002
113
114 /* next 3 are not from the SNMP mib table, only to be used internally */
115 uint32_t flags;
132
133 /* next 3 are not from the SNMP mib table, only to be used internally */
134 uint32_t flags;
116 u_char name[32 + 1];
117 u_char location[128 + 1];
135
136 u_char *name;
137 u_char *location;
118 TAILQ_ENTRY(device_entry) link;
119};
120
121/*
122 * Next structure is used to keep o list of mappings from a specific
123 * name (a_name) to an entry in the hrFSTblEntry;
124 * We are trying to keep the same index for a specific name at least
125 * for the duration of one SNMP agent run.
126 */
127struct device_map_entry {
128 int32_t hrIndex; /* used for hrDeviceTblEntry::index */
129
130 /* map key is the pair (name_key, location_key) */
138 TAILQ_ENTRY(device_entry) link;
139};
140
141/*
142 * Next structure is used to keep o list of mappings from a specific
143 * name (a_name) to an entry in the hrFSTblEntry;
144 * We are trying to keep the same index for a specific name at least
145 * for the duration of one SNMP agent run.
146 */
147struct device_map_entry {
148 int32_t hrIndex; /* used for hrDeviceTblEntry::index */
149
150 /* map key is the pair (name_key, location_key) */
131 u_char name_key[32 + 1]; /* copy of device name */
132 u_char location_key[128 + 1];
151 u_char *name_key; /* copy of device name */
152 u_char *location_key;
133
134 /*
135 * Next may be NULL if the respective hrDeviceTblEntry
136 * is (temporally) gone.
137 */
138 struct device_entry *entry_p;
139 STAILQ_ENTRY(device_map_entry) link;
140};

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227
228/* Find an item in hrDeviceTbl by name. */
229struct device_entry *device_find_by_name(const char *);
230
231/* Create a new entry out of thin air. */
232struct device_entry *device_entry_create(const char *, const char *,
233 const char *);
234
153
154 /*
155 * Next may be NULL if the respective hrDeviceTblEntry
156 * is (temporally) gone.
157 */
158 struct device_entry *entry_p;
159 STAILQ_ENTRY(device_map_entry) link;
160};

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247
248/* Find an item in hrDeviceTbl by name. */
249struct device_entry *device_find_by_name(const char *);
250
251/* Create a new entry out of thin air. */
252struct device_entry *device_entry_create(const char *, const char *,
253 const char *);
254
255/* Delete an entry from hrDeviceTbl */
256void device_entry_delete(struct device_entry *entry);
257
235/* Init the things for hrProcessorTable. */
236void init_processor_tbl(void);
237
238/* Finalization routine for hrProcessorTable. */
239void fini_processor_tbl(void);
240
241/* Start the processor table CPU load collector. */
242void start_processor_tbl(struct lmodule *);

--- 59 unchanged lines hidden --- 		258/* Init the things for hrProcessorTable. */
259void init_processor_tbl(void);
260
261/* Finalization routine for hrProcessorTable. */
262void fini_processor_tbl(void);
263
264/* Start the processor table CPU load collector. */
265void start_processor_tbl(struct lmodule *);

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