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159 lines
3.6 KiB
C
159 lines
3.6 KiB
C
/* omdiscard.c
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* This is the implementation of the built-in discard output module.
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*
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* NOTE: read comments in module-template.h to understand how this file
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* works!
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*
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* File begun on 2007-07-24 by RGerhards
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*
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* Copyright 2007-2013 Adiscon GmbH.
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*
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* This file is part of rsyslog.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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* -or-
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* see COPYING.ASL20 in the source distribution
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "config.h"
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#include "rsyslog.h"
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#include <stdio.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <string.h>
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#include <assert.h>
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#include "syslogd.h"
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#include "syslogd-types.h"
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#include "omdiscard.h"
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#include "module-template.h"
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#include "errmsg.h"
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MODULE_TYPE_OUTPUT
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MODULE_TYPE_NOKEEP
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/* internal structures
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*/
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DEF_OMOD_STATIC_DATA
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typedef struct _instanceData {
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EMPTY_STRUCT
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} instanceData;
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typedef struct wrkrInstanceData {
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instanceData *pData;
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} wrkrInstanceData_t;
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/* we do not need a createInstance()!
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BEGINcreateInstance
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CODESTARTcreateInstance
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ENDcreateInstance
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*/
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BEGINcreateWrkrInstance
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CODESTARTcreateWrkrInstance
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ENDcreateWrkrInstance
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BEGINdbgPrintInstInfo
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CODESTARTdbgPrintInstInfo
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/* do nothing */
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ENDdbgPrintInstInfo
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BEGINisCompatibleWithFeature
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CODESTARTisCompatibleWithFeature
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/* we are not compatible with repeated msg reduction feature, so do not allow it */
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ENDisCompatibleWithFeature
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BEGINtryResume
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CODESTARTtryResume
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ENDtryResume
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BEGINdoAction_NoStrings
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CODESTARTdoAction
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(void)pMsgData; /* Suppress compiler warning on unused var */
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dbgprintf("\n");
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iRet = RS_RET_DISCARDMSG;
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ENDdoAction
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BEGINfreeInstance
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CODESTARTfreeInstance
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/* we do not have instance data, so we do not need to
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* do anything here. -- rgerhards, 2007-07-25
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*/
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ENDfreeInstance
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BEGINfreeWrkrInstance
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CODESTARTfreeWrkrInstance
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ENDfreeWrkrInstance
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BEGINparseSelectorAct
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CODESTARTparseSelectorAct
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CODE_STD_STRING_REQUESTparseSelectorAct(0)
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pData = NULL; /* this action does not have any instance data */
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p = *pp;
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if(*p == '~') {
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dbgprintf("discard\n");
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LogMsg(0, RS_RET_DEPRECATED, LOG_WARNING,
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"warning: ~ action is deprecated, consider "
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"using the 'stop' statement instead");
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} else {
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iRet = RS_RET_CONFLINE_UNPROCESSED;
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}
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/* we do not use the macro
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* CODE_STD_FINALIZERparseSelectorAct
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* here as this causes a Coverity ID "false positive" (CID 185431).
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* We don't see an issue with using the copy&pasted code as it is unlikly
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* to change for this (outdated) module.
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*/
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finalize_it: ATTR_UNUSED; /* semi-colon needed according to gcc doc! */
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if(iRet == RS_RET_OK || iRet == RS_RET_OK_WARN || iRet == RS_RET_SUSPENDED) {
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*ppModData = pData;
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*pp = p;
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} else {
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/* cleanup, we failed */
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if(*ppOMSR != NULL) {
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OMSRdestruct(*ppOMSR);
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*ppOMSR = NULL;
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}
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}
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/* END modified macro text */
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ENDparseSelectorAct
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BEGINmodExit
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CODESTARTmodExit
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ENDmodExit
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BEGINqueryEtryPt
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CODESTARTqueryEtryPt
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CODEqueryEtryPt_STD_OMOD_QUERIES
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CODEqueryEtryPt_STD_OMOD8_QUERIES
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ENDqueryEtryPt
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BEGINmodInit(Discard)
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CODESTARTmodInit
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*ipIFVersProvided = CURR_MOD_IF_VERSION; /* we only support the current interface specification */
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CODEmodInit_QueryRegCFSLineHdlr
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ENDmodInit
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/*
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* vi:set ai:
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*/
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