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/* 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
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_NoStrings
CODESTARTdoAction
(void)pMsgData; /* Suppress compiler warning on unused var */
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");
LogMsg(0, RS_RET_DEPRECATED, LOG_WARNING,
"warning: ~ action is deprecated, consider "
"using the 'stop' statement instead");
} else {
iRet = RS_RET_CONFLINE_UNPROCESSED;
}
/* we do not use the macro
* CODE_STD_FINALIZERparseSelectorAct
* here as this causes a Coverity ID "false positive" (CID 185431).
* We don't see an issue with using the copy&pasted code as it is unlikly
* to change for this (outdated) module.
*/
finalize_it: ATTR_UNUSED; /* semi-colon needed according to gcc doc! */
if(iRet == RS_RET_OK || iRet == RS_RET_OK_WARN || iRet == RS_RET_SUSPENDED) {
*ppModData = pData;
*pp = p;
} else {
/* cleanup, we failed */
if(*ppOMSR != NULL) {
OMSRdestruct(*ppOMSR);
*ppOMSR = NULL;
}
}
/* END modified macro text */
ENDparseSelectorAct
BEGINmodExit
CODESTARTmodExit
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
ENDmodInit
/*
* vi:set ai:
*/
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