something confused about "mib2c mib2c -c mib2c.mfd.conf XXXTable"

first i'll introduce my working environment
net-snmp:net-snmp-5.4.2.1 src rpm
linux: fedora 11, i386
i have define a table in my mibfile, assume testTable

then i use mib2c -c mib2c.mfd.conf testTable to generate some code
and i load data in the function
   int testTable_container_load(netsnmp_container * container) 
which is in  testTable_data_access.c
the way i load data is from a table in the database, however this table updated very frequently
when it offer me to choose what way to work, this is my option



2) Set defaults now[DEFAULT]                           [2]

2) Yes, use my own structure                              [2]

[netsnmp_data_list *]

1) No, use generated[DEFAULT]                          [1]

1) no, no initialization needed                             [1]

1) All values will be stored as defined by the MIB[DEFAULT]   [1]

2) container-cached                                     [2]

2) Yes. My data is SEMI-TRANSIENT                      [2 ]

1) generate example code [DEFAULT]                      [1]

1) No, all columns always exist for every row[DEFAULT]      [1]

1) do not generate makefile/AgentX code[DEFAULT]          [1]




the option is in left, and the right is my answer

and i set cache_timeout 60 s

i have an external program periodically send snmpwalk request to get all the data in snmp
i met question like that

assume the first quest can trigger loading data function
however it can  dump all the data in the container after it send part data and then load_data again
however this data will not be the last data load, so i get some uncorrect record.

whether there's other implemention that we i do snmpwalk. it only load data once, after i finished it
it can dump, then i do snmpwalk again, it load data again.


and i tried another


2) Set defaults now[DEFAULT]                           [2]

2) Yes, use my own structure                              [2]

[netsnmp_data_list *]

1) No, use generated[DEFAULT]                          [1]

1) no, no initialization needed                             [1]

1) All values will be stored as defined by the MIB[DEFAULT]   [1]

1) container : [DEFAULT]                                 [1]

2) Yes. My data is SEMI-TRANSIENT                      [2 ]

1) generate example code [DEFAULT]                      [1]

1) No, all columns always exist for every row[DEFAULT]      [1]

1) do not generate makefile/AgentX code[DEFAULT]          [1]

this time i choose container mode, however  the program didn't call testTable_container_load

ps i use
./testTable -f -Dverbose -M

so that i can see the calling infomation

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