rsyslog/tools/omdiscard.c
2013-10-29 16:17:46 +01:00

144 lines
3.1 KiB
C

/* omdiscard.c
* This is the implementation of the built-in discard output module.
*
* NOTE: read comments in module-template.h to understand how this file
* works!
*
* File begun on 2007-07-24 by RGerhards
*
* Copyright 2007-2013 Adiscon GmbH.
*
* This file is part of rsyslog.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
* -or-
* see COPYING.ASL20 in the source distribution
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "config.h"
#include "rsyslog.h"
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include "syslogd.h"
#include "syslogd-types.h"
#include "omdiscard.h"
#include "module-template.h"
#include "errmsg.h"
MODULE_TYPE_OUTPUT
MODULE_TYPE_NOKEEP
/* internal structures
*/
DEF_OMOD_STATIC_DATA
DEFobjCurrIf(errmsg);
typedef struct _instanceData {
EMPTY_STRUCT
} instanceData;
typedef struct wrkrInstanceData {
instanceData *pData;
} wrkrInstanceData_t;
/* we do not need a createInstance()!
BEGINcreateInstance
CODESTARTcreateInstance
ENDcreateInstance
*/
BEGINcreateWrkrInstance
CODESTARTcreateWrkrInstance
ENDcreateWrkrInstance
BEGINdbgPrintInstInfo
CODESTARTdbgPrintInstInfo
/* do nothing */
ENDdbgPrintInstInfo
BEGINisCompatibleWithFeature
CODESTARTisCompatibleWithFeature
/* we are not compatible with repeated msg reduction feature, so do not allow it */
ENDisCompatibleWithFeature
BEGINtryResume
CODESTARTtryResume
ENDtryResume
BEGINdoAction
CODESTARTdoAction
dbgprintf("\n");
iRet = RS_RET_DISCARDMSG;
ENDdoAction
BEGINfreeInstance
CODESTARTfreeInstance
/* we do not have instance data, so we do not need to
* do anything here. -- rgerhards, 2007-07-25
*/
ENDfreeInstance
BEGINfreeWrkrInstance
CODESTARTfreeWrkrInstance
ENDfreeWrkrInstance
BEGINparseSelectorAct
CODESTARTparseSelectorAct
CODE_STD_STRING_REQUESTparseSelectorAct(0)
pData = NULL; /* this action does not have any instance data */
p = *pp;
if(*p == '~') {
dbgprintf("discard\n");
errmsg.LogError(0, RS_RET_DEPRECATED, "warning: ~ action "
"is deprecated, consider using the 'stop' "
"statement instead");
} else {
iRet = RS_RET_CONFLINE_UNPROCESSED;
}
CODE_STD_FINALIZERparseSelectorAct
ENDparseSelectorAct
BEGINmodExit
CODESTARTmodExit
objRelease(errmsg, CORE_COMPONENT);
ENDmodExit
BEGINqueryEtryPt
CODESTARTqueryEtryPt
CODEqueryEtryPt_STD_OMOD_QUERIES
CODEqueryEtryPt_STD_OMOD8_QUERIES
ENDqueryEtryPt
BEGINmodInit(Discard)
CODESTARTmodInit
*ipIFVersProvided = CURR_MOD_IF_VERSION; /* we only support the current interface specification */
CODEmodInit_QueryRegCFSLineHdlr
CHKiRet(objUse(errmsg, CORE_COMPONENT));
ENDmodInit
/*
* vi:set ai:
*/