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/* modules.h
* Definition for build-in and plug-ins module handler.
*
* The following definitions are to be used for modularization. Currently,
* the code is NOT complete. I am just adding pieces to it as I
* go along in designing the interface.
* rgerhards, 2007-07-19
*
*
* File begun on 2007-07-22 by RGerhards
*
* Copyright 2007 Rainer Gerhards and Adiscon GmbH.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* A copy of the GPL can be found in the file "COPYING" in this distribution.
*/
#ifndef MODULES_H_INCLUDED
#define MODULES_H_INCLUDED 1
typedef enum eModType_ {
eMOD_IN, /* input module */
eMOD_OUT, /* output module */
eMOD_FILTER /* filter module (not know yet if we will once have such at all...) */
} eModType_t;
/* how is this module linked? */
typedef enum eModLinkType_ {
eMOD_LINK_STATIC,
eMOD_LINK_DYNAMIC_UNLOADED, /* dynalink module, currently not loaded */
eMOD_LINK_DYNAMIC_LOADED /* dynalink module, currently loaded */
} eModLinkType_t;
typedef struct moduleInfo {
struct moduleInfo *pNext; /* support for creating a linked module list */
int iModVers; /* Interface version of module */
eModType_t eModType; /* type of this module */
eModLinkType_t eModLinkType;
uchar* pszModName; /* printable module name, e.g. for dprintf */
/* functions supported by all types of modules */
rsRetVal (*modInit)(); /* initialize the module */
/* be sure to support version handshake! */
rsRetVal (*modExit)(); /* called before termination or module unload */
/* below: parse a configuration line - return if processed
* or not. If not, must be parsed to next module.
*/
rsRetVal (*parseConfigLine)(uchar **pConfLine);
/* below: create an instance of this module. Most importantly the module
* can allocate instance memory in this call.
*/
rsRetVal (*createInstance)();
union {
struct {/* data for input modules */
/* input modules come after output modules are finished, I am
* currently not really thinking about them. rgerhards, 2007-07-19
*/
};
struct {/* data for output modules */
/* below: perform the configured action
*/
rsRetVal (*doAction)();
};
} mod;
} modInfo_t;
/* prototypes */
#endif /* #ifndef MODULES_H_INCLUDED */
/*
* vi:set ai:
*/
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