[EMAIL PROTECTED] have developed a small Trap-Agent (dynamic loadable)
with the net-snmp API V 5.1.2 under Linux Redhat 4.
The Agent sends each 2 seconds one Integer.
But if I use "./snmptrapd -f -Le" to catch the traps, the snmptrapd needs > 20
seconds per trap to get it!!
example:
./snmptrapd -f -Le
2007-07-24 13:41:14 NET-SNMP version 5.1.2 Started.
2007-07-24 13:41:15 192.168.103.104(via 192.168.103.104) TRAP, SNMP v1,
community public
TRAPTEST-MIB::traptestTraps Enterprise Specific Trap (1) Uptime:
0:00:24.34
TRAPTEST-MIB::trapObject1.0 = INTEGER: 12
2007-07-24 13:41:59 192.168.103.104(via 192.168.103.104) TRAP, SNMP v1,
community public
TRAPTEST-MIB::traptestTraps Enterprise Specific Trap (1) Uptime:
0:00:26.34
TRAPTEST-MIB::trapObject1.0 = INTEGER: 13
2007-07-24 13:42:43 192.168.103.104(via 192.168.103.104) TRAP, SNMP v1,
community public
TRAPTEST-MIB::traptestTraps Enterprise Specific Trap (1) Uptime:
0:00:28.35
TRAPTEST-MIB::trapObject1.0 = INTEGER: 14
2007-07-24 13:43:27 192.168.103.104(via 192.168.103.104) TRAP, SNMP v1,
community public
TRAPTEST-MIB::traptestTraps Enterprise Specific Trap (1) Uptime:
0:00:30.35
TRAPTEST-MIB::trapObject1.0 = INTEGER: 15
2007-07-24 13:44:11 192.168.103.104(via 192.168.103.104) TRAP, SNMP v1,
community public
TRAPTEST-MIB::traptestTraps Enterprise Specific Trap (1) Uptime:
0:00:32.35
TRAPTEST-MIB::trapObject1.0 = INTEGER: 16
2007-07-24 13:44:55 192.168.103.104(via 192.168.103.104) TRAP, SNMP v1,
community public
TRAPTEST-MIB::traptestTraps Enterprise Specific Trap (1) Uptime:
0:00:34.35
There u can see, that the uptime has got an intervall of 2 seconds,
BUT the realtime delay is much higher!
compare for example:
2007-07-24 13:43:27 AND 2007-07-24 13:44:11
What I have done wrong ? I want to have realtime Notification. If the Agent
sends a
trap, it should directly printed out by snmptrapd.
..but I think the snmptrapd works correctly, because if I send a trap with
a command like
"snmptrap -v 1 -c public localhost '' localhost 6 1 ''"
then the trap is directly printed by snmptrapd!!
Only the traps sended by my programmed agent have the heavy delay, if I want
catch
them with snmptrapd!
Can someone plz look at my agent code, it is really small:
Here is it:
//------------------------------------------------------------
// traptest.c
//-----------------------------------------------------------
#include <net-snmp/net-snmp-config.h>
#include <net-snmp/net-snmp-includes.h>
#include <net-snmp/agent/net-snmp-agent-includes.h>
#include "traptest.h"
#include <stdio.h>
#include <stdlib.h>
#define TRAP_SEND_INTERVALL 2
static int retVal=0;
void init_traptest(void)
{
snmp_alarm_register(TRAP_SEND_INTERVALL, SA_REPEAT, traphandler, NULL);
}
void traphandler(unsigned int clientreg, void *clientarg)
{
//iso(1).org(3).dod(6).internet(1).experimental(3).
//traptest(7777).traptestObjects(1).trapObject1(1).0
oid trapObject1_oid[] = { 1, 3, 6, 1, 3, 7777, 1, 1, 0};
//iso(1).org(3).dod(6).internet(1).experimental(3).
//traptest(7777).agent4comTraps(2).numberOfActiveOutboundCalls(2)
oid trap1_oid[] = { 1, 3, 6, 1, 3, 7777, 2, 1};
//iso(1).org(3).dod(6).internet(1).snmpV2(6).snmpModules(3).
//snmpMIB(1).snmpMIBObjects(1).snmpTrap(4).snmpTrapOID(1).0
oid objid_snmptrap[] = { 1, 3, 6, 1, 6, 3, 1, 1, 4, 1, 0 };
netsnmp_variable_list *trap_var_list1 = NULL;
snmp_varlist_add_variable(&trap_var_list1,
objid_snmptrap, OID_LENGTH(objid_snmptrap),
ASN_OBJECT_ID,
(u_char *) trap1_oid,
OID_LENGTH(trap1_oid) * sizeof(oid));
retVal++;
snmp_varlist_add_variable(&trap_var_list1,
trapObject1_oid, OID_LENGTH(trapObject1_oid),
ASN_INTEGER,
(u_char *) &retVal,
sizeof(retVal));
char deb[32];
sprintf(deb, "sending vals:%i\n", retVal);
DEBUGMSGTL(("traptest", deb));
send_v2trap(trap_var_list1);
snmp_free_varbind(trap_var_list1);
}
//------------------------------------------------------------
// traptest.h
//-----------------------------------------------------------
#ifndef TRAPTEST_H
#define TRAPTEST_H
SNMPAlarmCallback traphandler;
void init_traptest(void);
#endif
//------------------------------------------------------------
// TRAPTEST-MIB.txt
//-----------------------------------------------------------
TRAPTEST-MIB DEFINITIONS ::= BEGIN
IMPORTS
MODULE-IDENTITY, OBJECT-TYPE,
Integer32, experimental FROM SNMPv2-SMI
DisplayString FROM SNMPv2-TC;
traptest MODULE-IDENTITY
LAST-UPDATED "200707180000Z"
ORGANIZATION "4Com"
CONTACT-INFO "NO CONTACT"
DESCRIPTION "4Com Security Agent V1.0"
::= { experimental 7777 }
traptestObjects OBJECT IDENTIFIER ::= { traptest 1 }
traptestTraps OBJECT IDENTIFIER ::= { traptest 2 }
trapObject1 OBJECT-TYPE
SYNTAX Integer32
MAX-ACCESS accessible-for-notify
STATUS current
DESCRIPTION "Test Trap-Objekt 1"
::= { traptestObjects 1 }
trap1 NOTIFICATION-TYPE
OBJECTS { trapObject1 }
STATUS current
DESCRIPTION "testtrap"
::= { traptestTraps 1 }
END
//------------------------------------------------------------
// Makefile
//-----------------------------------------------------------
CC=gcc
CFLAGS=-I. `net-snmp-config --cflags`
BUILDLIBS=`net-snmp-config --libs`
BUILDAGENTLIBS=`net-snmp-config --agent-libs`
# shared library flags (assumes gcc)
DLFLAGS=-fPIC -shared
traptest.so: traptest.c Makefile
$(CC) $(CFLAGS) $(DLFLAGS) -c -o traptest.o traptest.c
$(CC) $(CFLAGS) $(DLFLAGS) -o traptest.so traptest.o
//------------------------------------------------------------
// snmpd.conf
//-----------------------------------------------------------
com2sec notConfigUser default public
group notConfigGroup v1 notConfigUser
group notConfigGroup v2c notConfigUser
view systemview included .1.3.6.1.2.1.1
view systemview included .1.3.6.1.2.1.25.1.1
view systemview included .1.3.6.1.3
access notConfigGroup "" any noauth exact systemview systemview
systemview
trapcommunity public
trapsink 192.168.103.104 public 162
dlmod traptest /home/scsa/project1/traptest.so
//------------------------------------------------------------
// Starting
//-----------------------------------------------------------
#One Terminal:
MIBS=ALL; export MIBS
./snmpd -f -L -Dtraptest
#Other Terminal:
MIBS=ALL; export MIBS
./snmptrapd -f -Le
It would be great I someone could find the error.
Greetz
fbrjogl
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