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This commit was generated by cvs2svn to compensate for changes in r155602,

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which included commits to RCS files with non-trunk default branches.
This commit is contained in:
Hartmut Brandt 2006-02-13 14:11:18 +00:00
commit 4232b8b134
6 changed files with 207 additions and 19 deletions
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1
contrib/bsnmp/oid-list
View File

@ -11,6 +11,7 @@ enterprises
1 BEGEMOT
1 BEGEMOT-SNMPD
2 BEGEMOT-NETGRAPH snmpd netgraph module
3 BEGEMOT-IP snmpd mibII module
100 BEGEMOT-ILMID snmpd ILMID module
101 BEGEMOT-ATM snmpd ATM module
200 BEGEMOT-PF snmpd PF module (phillip@freebsd.org)

159
contrib/bsnmp/snmp_mibII/mibII.c
View File

@ -105,6 +105,18 @@ struct clockinfo clockinfo;
/* list of all New if registrations */
static struct newifreg_list newifreg_list = TAILQ_HEAD_INITIALIZER(newifreg_list);
/* baud rate of fastest interface */
uint64_t mibif_maxspeed;
/* user-forced update interval */
u_int mibif_force_hc_update_interval;
/* current update interval */
u_int mibif_hc_update_interval;
/* HC update timer handle */
static void *hc_update_timer;
/*****************************/
static const struct asn_oid oid_ifMIB = OIDX_ifMIB;
@ -280,16 +292,15 @@ link_trap(struct mibif *ifp, int up)
(struct snmp_value *)NULL);
}
/*
* Fetch new MIB data.
/**
* Fetch the GENERIC IFMIB and update the HC counters
*/
int
mib_fetch_ifmib(struct mibif *ifp)
static int
fetch_generic_mib(struct mibif *ifp, const struct ifmibdata *old)
{
int name[6];
size_t len;
void *newmib;
struct ifmibdata oldmib = ifp->mib;
struct mibif_private *p = ifp->private;
name[0] = CTL_NET;
name[1] = PF_LINK;
@ -306,6 +317,113 @@ mib_fetch_ifmib(struct mibif *ifp)
return (-1);
}
/*
* Assume that one of the two following compounds is optimized away
*/
if (ULONG_MAX >= 0xffffffffffffffffULL) {
p->hc_inoctets = ifp->mib.ifmd_data.ifi_ibytes;
p->hc_outoctets = ifp->mib.ifmd_data.ifi_obytes;
p->hc_omcasts = ifp->mib.ifmd_data.ifi_omcasts;
p->hc_opackets = ifp->mib.ifmd_data.ifi_opackets;
p->hc_imcasts = ifp->mib.ifmd_data.ifi_imcasts;
p->hc_ipackets = ifp->mib.ifmd_data.ifi_ipackets;
} else if (ULONG_MAX >= 0xffffffff) {
#define UPDATE(HC, MIB) \
if (old->ifmd_data.MIB > ifp->mib.ifmd_data.MIB) \
p->HC += (0x100000000ULL + \
ifp->mib.ifmd_data.MIB) - \
old->ifmd_data.MIB; \
else \
p->HC += ifp->mib.ifmd_data.MIB - \
old->ifmd_data.MIB;
UPDATE(hc_inoctets, ifi_ibytes)
UPDATE(hc_outoctets, ifi_obytes)
UPDATE(hc_omcasts, ifi_omcasts)
UPDATE(hc_opackets, ifi_opackets)
UPDATE(hc_imcasts, ifi_imcasts)
UPDATE(hc_ipackets, ifi_ipackets)
#undef UPDATE
} else
abort();
return (0);
}
/**
* Update the 64-bit interface counters
*/
static void
update_hc_counters(void *arg __unused)
{
struct mibif *ifp;
struct ifmibdata oldmib;
TAILQ_FOREACH(ifp, &mibif_list, link) {
oldmib = ifp->mib;
(void)fetch_generic_mib(ifp, &oldmib);
}
}
/**
* Recompute the poll timer for the HC counters
*/
void
mibif_reset_hc_timer(void)
{
u_int ticks;
if ((ticks = mibif_force_hc_update_interval) == 0) {
if (mibif_maxspeed <= 10000000) {
/* at 10Mbps overflow needs 3436 seconds */
ticks = 3000 * 100; /* 50 minutes */
} else if (mibif_maxspeed <= 100000000) {
/* at 100Mbps overflow needs 343 seconds */
ticks = 300 * 100; /* 5 minutes */
} else if (mibif_maxspeed < 650000000) {
/* at 622Mbps overflow needs 53 seconds */
ticks = 40 * 100; /* 40 seconds */
} else if (mibif_maxspeed <= 1000000000) {
/* at 1Gbps overflow needs 34 seconds */
ticks = 20 * 100; /* 20 seconds */
} else {
/* at 10Gbps overflow needs 3.4 seconds */
ticks = 100; /* 1 seconds */
}
}
if (ticks == mibif_hc_update_interval)
return;
if (hc_update_timer != NULL) {
timer_stop(hc_update_timer);
hc_update_timer = NULL;
}
update_hc_counters(NULL);
if ((hc_update_timer = timer_start_repeat(ticks * 10, ticks * 10,
update_hc_counters, NULL, module)) == NULL) {
syslog(LOG_ERR, "timer_start(%u): %m", ticks);
return;
}
mibif_hc_update_interval = ticks;
}
/*
* Fetch new MIB data.
*/
int
mib_fetch_ifmib(struct mibif *ifp)
{
int name[6];
size_t len;
void *newmib;
struct ifmibdata oldmib = ifp->mib;
if (fetch_generic_mib(ifp, &oldmib) == -1)
return (-1);
/*
* Quoting RFC2863, 3.1.15: "... LinkUp and linkDown traps are
* generated just after ifOperStatus leaves, or just before it
@ -324,10 +442,19 @@ mib_fetch_ifmib(struct mibif *ifp)
if (ifp->mib.ifmd_data.ifi_baudrate > 650000000)
ifp->flags |= MIBIF_VERYHIGHSPEED;
}
if (ifp->mib.ifmd_data.ifi_baudrate > mibif_maxspeed) {
mibif_maxspeed = ifp->mib.ifmd_data.ifi_baudrate;
mibif_reset_hc_timer();
}
/*
* linkspecific MIB
*/
name[0] = CTL_NET;
name[1] = PF_LINK;
name[2] = NETLINK_GENERIC;
name[3] = IFMIB_IFDATA;
name[4] = ifp->sysindex;
name[5] = IFDATA_LINKSPECIFIC;
if (sysctl(name, 6, NULL, &len, NULL, 0) == -1) {
syslog(LOG_WARNING, "sysctl linkmib estimate (%s): %m",
@ -519,6 +646,7 @@ get_physaddr(struct mibif *ifp, struct sockaddr_dl *sdl, u_char *ptr)
static void
mibif_free(struct mibif *ifp)
{
struct mibif *ifp1;
struct mibindexmap *map;
struct mibifa *ifa, *ifa1;
struct mibrcvaddr *rcv, *rcv1;
@ -531,6 +659,18 @@ mibif_free(struct mibif *ifp)
(void)mib_ifstack_delete(NULL, ifp);
TAILQ_REMOVE(&mibif_list, ifp, link);
/* if this was the fastest interface - recompute this */
if (ifp->mib.ifmd_data.ifi_baudrate == mibif_maxspeed) {
mibif_maxspeed = ifp->mib.ifmd_data.ifi_baudrate;
TAILQ_FOREACH(ifp1, &mibif_list, link)
if (ifp1->mib.ifmd_data.ifi_baudrate > mibif_maxspeed)
mibif_maxspeed =
ifp1->mib.ifmd_data.ifi_baudrate;
mibif_reset_hc_timer();
}
free(ifp->private);
if (ifp->physaddr != NULL)
free(ifp->physaddr);
if (ifp->specmib != NULL)
@ -589,6 +729,13 @@ mibif_create(u_int sysindex, const char *name)
return (NULL);
}
memset(ifp, 0, sizeof(*ifp));
if ((ifp->private = malloc(sizeof(struct mibif_private))) == NULL) {
syslog(LOG_WARNING, "%s: %m", __func__);
free(ifp);
return (NULL);
}
memset(ifp->private, 0, sizeof(struct mibif_private));
ifp->sysindex = sysindex;
strcpy(ifp->name, name);
strcpy(ifp->descr, name);

32
contrib/bsnmp/snmp_mibII/mibII.h
View File

@ -56,7 +56,6 @@
#include "snmp_mibII.h"
#include "mibII_tree.h"
/*
* Interface list and flags.
*/
@ -66,12 +65,19 @@ enum {
MIBIF_HIGHSPEED = 0x0002,
MIBIF_VERYHIGHSPEED = 0x0004,
};
#define hc_inoctets mib.ifmd_data.ifi_ibytes
#define hc_outoctets mib.ifmd_data.ifi_obytes
#define hc_omcasts mib.ifmd_data.ifi_omcasts
#define hc_opackets mib.ifmd_data.ifi_opackets
#define hc_imcasts mib.ifmd_data.ifi_imcasts
#define hc_ipackets mib.ifmd_data.ifi_ipackets
/*
* Private mibif data - hang off from the mibif.
*/
struct mibif_private {
uint64_t hc_inoctets;
uint64_t hc_outoctets;
uint64_t hc_omcasts;
uint64_t hc_opackets;
uint64_t hc_imcasts;
uint64_t hc_ipackets;
};
#define MIBIF_PRIV(IFP) ((struct mibif_private *)((IFP)->private))
/*
* Interface addresses.
@ -193,6 +199,18 @@ extern uint64_t mibarpticks;
/* info on system clocks */
extern struct clockinfo clockinfo;
/* baud rate of fastest interface */
extern uint64_t mibif_maxspeed;
/* user-forced update interval */
extern u_int mibif_force_hc_update_interval;
/* current update interval */
extern u_int mibif_hc_update_interval;
/* re-compute update interval */
void mibif_reset_hc_timer(void);
/* get interfaces and interface addresses. */
void mib_fetch_interfaces(void);

14
contrib/bsnmp/snmp_mibII/mibII_interfaces.c
View File

@ -463,19 +463,20 @@ op_ifxtable(struct snmp_context *ctx, struct snmp_value *value,
case LEAF_ifHCInOctets:
if (!(ifp->flags & MIBIF_HIGHSPEED))
goto again;
value->v.counter64 = ifp->hc_inoctets;
value->v.counter64 = MIBIF_PRIV(ifp)->hc_inoctets;
break;
case LEAF_ifHCInUcastPkts:
if (!(ifp->flags & (MIBIF_VERYHIGHSPEED|MIBIF_HIGHSPEED)))
goto again;
value->v.counter64 = ifp->hc_ipackets - ifp->hc_imcasts;
value->v.counter64 = MIBIF_PRIV(ifp)->hc_ipackets -
MIBIF_PRIV(ifp)->hc_imcasts;
break;
case LEAF_ifHCInMulticastPkts:
if (!(ifp->flags & (MIBIF_VERYHIGHSPEED|MIBIF_HIGHSPEED)))
goto again;
value->v.counter64 = ifp->hc_imcasts;
value->v.counter64 = MIBIF_PRIV(ifp)->hc_imcasts;
break;
case LEAF_ifHCInBroadcastPkts:
@ -487,19 +488,20 @@ op_ifxtable(struct snmp_context *ctx, struct snmp_value *value,
case LEAF_ifHCOutOctets:
if (!(ifp->flags & MIBIF_HIGHSPEED))
goto again;
value->v.counter64 = ifp->hc_outoctets;
value->v.counter64 = MIBIF_PRIV(ifp)->hc_outoctets;
break;
case LEAF_ifHCOutUcastPkts:
if (!(ifp->flags & (MIBIF_VERYHIGHSPEED|MIBIF_HIGHSPEED)))
goto again;
value->v.counter64 = ifp->hc_opackets - ifp->hc_omcasts;
value->v.counter64 = MIBIF_PRIV(ifp)->hc_opackets -
MIBIF_PRIV(ifp)->hc_omcasts;
break;
case LEAF_ifHCOutMulticastPkts:
if (!(ifp->flags & (MIBIF_VERYHIGHSPEED|MIBIF_HIGHSPEED)))
goto again;
value->v.counter64 = ifp->hc_omcasts;
value->v.counter64 = MIBIF_PRIV(ifp)->hc_omcasts;
break;
case LEAF_ifHCOutBroadcastPkts:

17
contrib/bsnmp/snmp_mibII/mibII_tree.def
View File

@ -230,6 +230,23 @@
(50 udpMIB
)
))
(4 private
(1 enterprises
(12325 fokus
(1 begemot
(3 begemotIp
(1 begemotIpObjects
(1 begemotMib2
(1 begemotIfMaxspeed COUNTER64 op_begemot_mibII GET)
(2 begemotIfPoll TIMETICKS op_begemot_mibII GET)
(3 begemotIfForcePoll TIMETICKS op_begemot_mibII GET SET)
)
)
)
)
)
)
)
(6 snmpV2
(3 snmpModules
(1 snmpMIB

3
contrib/bsnmp/snmp_mibII/snmp_mibII.h
View File

@ -79,6 +79,9 @@ struct mibif {
/* to be set by ifType specific modules. This is ifSpecific. */
struct asn_oid spec_oid;
/* private data - don't touch */
void *private;
};
/*