Hi,
I have an daemon application that uses net-snmp to perform GET REQUESTS
to an SNMP device to obtain information periodically and this works fine
when developing. The problem I have is that it doesn't work when
starting the application from boot time. I have logging turned on in
net-snmp:
snmp_enable_syslog();
init_snmp(ssmd_app_name);
When running my application manually when the system has already booted
I can see all the debug info in my log file, e.g.
Jan 14 15:52:56 ts7800 net-snmp[1039]: trace:
Jan 14 15:52:56 ts7800 net-snmp[1039]: read_config(): read_config.c, 777:
Jan 14 15:52:56 ts7800 net-snmp[1039]: read_config:
Jan 14 15:52:56 ts7800 net-snmp[1039]: /root/.snmp/snmp.local.conf:5
examining: mibs +DeltaTelecomPower-MIB^M
Jan 14 15:52:56 ts7800 net-snmp[1039]: trace:
Jan 14 15:52:56 ts7800 net-snmp[1039]: run_config_handler():
read_config.c, 498:
Jan 14 15:52:56 ts7800 net-snmp[1039]: read_config:
Jan 14 15:52:56 ts7800 net-snmp[1039]: Found a parser. Calling it: mibs
/ +DeltaTelecomPower-MIB^M
Jan 14 15:52:56 ts7800 net-snmp[1039]: trace:
But if I reboot the system and let my application startup automatically
I get nothing in the net-snmp log and my application log indicates that
it is failing to parse OOID names from the DeltaTelecomPower-MIB, it
looks like the init_snmp call hasn't read and processed the config.
The application is one of the last applications to startup, here is the
complete list (smu is my application)
lrwxrwxrwx 1 root root 18 Jul 7 2010 S10sysklogd -> ../init.d/sysklogd*
lrwxrwxrwx 1 root root 15 Jul 7 2010 S11klogd -> ../init.d/klogd*
-rwxr-xr-x 1 root root 3888 Jan 17 2008 S20exim4*
lrwxrwxrwx 1 root root 15 Jul 7 2010 S20inetd -> ../init.d/inetd*
lrwxrwxrwx 1 root root 17 Jul 7 2010 S20makedev -> ../init.d/makedev*
lrwxrwxrwx 1 root root 15 Jul 7 2010 S20rsync -> ../init.d/rsync*
lrwxrwxrwx 1 root root 15 Jul 7 2010 S20samba -> ../init.d/samba*
lrwxrwxrwx 1 root root 15 Jul 13 2010 S20snmpd -> ../init.d/snmpd*
lrwxrwxrwx 1 root root 13 Jul 7 2010 S20ssh -> ../init.d/ssh*
lrwxrwxrwx 1 root root 20 Jul 7 2010 S21nfs-common ->
../init.d/nfs-common*
lrwxrwxrwx 1 root root 17 Jul 7 2010 S50wu-ftpd -> ../init.d/wu-ftpd*
lrwxrwxrwx 1 root root 13 Jul 7 2010 S80smu -> ../init.d/smu*
lrwxrwxrwx 1 root root 14 Jul 7 2010 S89cron -> ../init.d/cron*
lrwxrwxrwx 1 root root 17 Jul 7 2010 S90ts7kvfb -> ../init.d/ts7kvfb*
lrwxrwxrwx 1 root root 17 Jul 7 2010 S91apache2 -> ../init.d/apache2*
lrwxrwxrwx 1 root root 19 Jul 7 2010 S99rmnologin ->
../init.d/rmnologin*
lrwxrwxrwx 1 root root 23 Jul 7 2010 S99stop-bootlogd ->
../init.d/stop-bootlogd*
Interestingly snmpd works fine as I use this to mimic the SNMP device
for initial development.
OS is linux, processor is arm. I built the net-snmp 5.5 library using
the default configuration.
Any ideas as this has got me stumped?
Best Regards,
Martin.
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