[syslog-ng] Is it possible to create Two instances of syslog-ng engine ?

[Nitish Saboo]

Hi,

Can someone please provide some info on this?

Thankyou

On Fri, May 10, 2019 at 12:55 PM Nitish Saboo <nitish.saboo55 at gmail.com>
wrote:

> Hi,
>
> I have installed syslog-ng on my Linux box and I am planning you use
> syslog-ng parser and wanted to initialise it's engine for parsing the data.
>
> so initialise() method in my Go code calls  C code that is wrapper around
> syslog-ng C header files. So ,I am making use of cgo.
>
> Following is my Go code:
>
> func (obj Syslogparser) initialise{
>
> X := C.CString(obj.X)
> defer C.free(unsafe.Pointer(X))
> Y := C.CString(obj.Y)
> defer C.free(unsafe.Pointer(Y))
> C.initialize_engine(X, Y,
> (C.key_value_cb)(unsafe.Pointer(C.callOnMeGo_cgo)));
> }
>
> And following is my C method 'initialize_engine':
>
> int initialize_engine(const gchar* X, const gchar* Y, key_value_cb cb) //
> cb is callback function
> {
>   module_path = _module_path;
>   app_startup();
>   msg_init(TRUE);
>
>   configuration = cfg_new(0x0302);
>   plugin_load_module("basicfuncs", configuration, NULL);
>   plugin_load_module("syslogformat", configuration, NULL);
>
>   pattern_db_global_init();
>
>   if(patterndb != NULL){
>     pattern_db_free(patterndb);
>   }
>   patterndb = pattern_db_new();
>   pattern_db_reload_ruleset(patterndb, configuration, filename);
>   pattern_db_set_emit_func(patterndb, pdbtool_pdb_emit_accumulate, cb);
>
>   return 0;
> }
>
>
>
> My queries:
>
> 1)What is pattern_db_global_init, 'patterndb = pattern_db_new()',
> 'pattern_db_reload_ruleset', 'pattern_db_set_emit_func' doing in the
> following case ?
>
> 2)Can I make two independent instances of syslog-ng engines?
>
> 3)How can I call two instances of syslog-ng engines independently from my
> Go code?
>
> Thanks
>
>
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