alarm table implementation

permalink · #1 (**permalink**) 07-04-2006

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Hi,

=20

Iam using latest Net-SNMP latest version for SNMP agent and
subagents. Need to provide support for alarmTable for all the=20

notifications SNMP agent sends on behalf of our subagents to trap
destinations. For this I have modified the routine "send_v2trap

routine in agent/agent_trap.c file. Included alarmtable structure in
agent_trap.h file.

=20

Using mib2c -c mib2c.iterate.conf file I have generated alarmTable.h
and alarmTable.c. These files I have copied in mibgroup/alarmTable

directory and registered the mib.

=20

So when a new alarm comes it writes to the alarm table structure and
updates the pointer. Till this it is fine. Now my problem is

that when Iam doing SNMP get on the table it uses the structure
variable declared in agent_trap.c, but I don't get the variable=20

address pointer, it is always having NULL value.=20

=20

Has anyone faced this kind of problem? How can I get the address
retrieved in another file?

=20

1) agent_trap.c

Struct alarmTable_entry *alarmTable_head;

=20

Send_v2trap()

<< updating the alarmTable_head pointer

=20

2) Mibgroup/alarmTable/alarmTable.c

Extern struct alarmTable_entry *alarmTable_head;

=20

If (alarmTable_head) << This is always having NULL value.

<< SNMP get to retrieve values

=20

=20

Thanks for the help in advance.

=20

Thanks & Regards,

Raj.

=20

=20

=20

=20

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<body lang=3DEN-US link=3Dblue vlink=3Dpurple>

<div class=3DSection1>

Hi,<o:p></o:p>

<o:p> </o:p>

   Iam using latest Net-SNMP latest version for SNMP =
agent
and subagents. Need to provide support for alarmTable for all the =
<o:p></o:p>

   notifications SNMP agent sends on behalf of our =
subagents
to trap destinations. For this I have modified the routine =
“send_v2trap<o:p></o:p>

   routine in agent/agent_trap.c file.  Included
alarmtable structure in agent_trap.h file.<o:p></o:p>

<o:p> </o:p>

   Using mib2c –c mib2c.iterate.conf file I have
generated alarmTable.h and alarmTable.c. These files I have copied in
mibgroup/alarmTable<o:p></o:p>

   directory and registered the =
mib.<o:p></o:p>

<o:p> </o:p>

    So when a new alarm comes it writes to the =
alarm
table structure and updates the pointer. Till this it is fine. Now my =
problem
is<o:p></o:p>

    that when Iam doing SNMP get on the table it =
uses
the structure variable declared in agent_trap.c, but I don’t get =
the
variable <o:p></o:p>

    address pointer, it is always having NULL =
value. <o:p></o:p>

<o:p> </o:p>

    Has anyone faced this kind of problem? How =
can I get
the address retrieved in another file?<o:p></o:p>

<o:p> </o:p>

   1)  agent_trap.c<o:p></o:p>

           Struct =
alarmTable_entry
*alarmTable_head;<o:p></o:p>

<o:p> </o:p>

  =
Send_v2trap()<o:p></o:p>

     << updating =
the
alarmTable_head pointer<o:p></o:p>

<o:p> </o:p>

  2) =
   Mibgroup/alarmTable/alarmTable.c<o:p></o:p></fon=
t>

            =
Extern struct
alarmTable_entry *alarmTable_head;<o:p></o:p>

<o:p> </o:p>

           If =
(alarmTable_head)  
<< This is always having NULL value.<o:p></o:p>

           &nbsp=
;    
<< SNMP get to retrieve values<o:p></o:p>

   <o:p></o:p>

   <o:p></o:p>

   Thanks for the help in =
advance.<o:p></o:p>

<o:p> </o:p>

 Thanks & Regards,<o:p></o:p>

  Raj.<o:p></o:p>

<o:p> </o:p>

   <o:p></o:p>

<o:p> </o:p>

<o:p> </o:p>

</div>

</body>

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