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/* smtradfile.c
* This is a strgen module for the traditional file format.
*
* NOTE: read comments in module-template.h to understand how this file
* works!
*
* File begun on 2010-06-01 by RGerhards
*
* Copyright 2010 Rainer Gerhards and Adiscon GmbH.
*
* This file is part of rsyslog.
*
* Rsyslog 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 3 of the License, or
* (at your option) any later version.
*
* Rsyslog 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 Rsyslog. If not, see <http://www.gnu.org/licenses/>.
*
* A copy of the GPL can be found in the file "COPYING" in this distribution.
*/
#include "config.h"
#include "rsyslog.h"
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <errno.h>
#include "syslogd.h"
#include "conf.h"
#include "syslogd-types.h"
#include "template.h"
#include "msg.h"
#include "module-template.h"
#include "glbl.h"
#include "errmsg.h"
#include "parser.h"
#include "datetime.h"
#include "unicode-helper.h"
MODULE_TYPE_STRGEN
STRGEN_NAME("RSYSLOG_TraditionalFileFormat")
/* internal structures
*/
DEF_SMOD_STATIC_DATA
DEFobjCurrIf(errmsg)
DEFobjCurrIf(glbl)
DEFobjCurrIf(parser)
DEFobjCurrIf(datetime)
/* config data */
#warning TODO: ExtendBuf via object interface!
extern rsRetVal ExtendBuf(uchar **pBuf, size_t *pLenBuf, size_t iMinSize);
extern char *getTimeReported(msg_t *pM, enum tplFormatTypes eFmt);
BEGINstrgen
int iBuf;
uchar *pVal;
size_t iLenVal;
CODESTARTstrgen
dbgprintf("XXX: strgen module, *ppBuf = %p\n", *ppBuf);
iBuf = 0;
dbgprintf("TIMESTAMP\n");
/* TIMESTAMP + ' ' */
dbgprintf("getTimeReported\n");
pVal = (uchar*) getTimeReported(pMsg, tplFmtDefault);
dbgprintf("obtain iLenVal ptr %p\n", pVal);
iLenVal = ustrlen(pVal);
dbgprintf("TIMESTAMP pVal='%p', iLenVal=%d\n", pVal, iLenVal);
if(iBuf + iLenVal + 1 >= *pLenBuf) /* we reserve one char for the final \0! */
CHKiRet(ExtendBuf(ppBuf, pLenBuf, iBuf + iLenVal + 1));
memcpy(*ppBuf + iBuf, pVal, iLenVal);
iBuf += iLenVal;
*(*ppBuf + iBuf++) = ' ';
dbgprintf("HOSTNAME\n");
/* HOSTNAME + ' ' */
pVal = (uchar*) getHOSTNAME(pMsg);
iLenVal = getHOSTNAMELen(pMsg);
if(iBuf + iLenVal + 1 >= *pLenBuf) /* we reserve one char for the ' '! */
CHKiRet(ExtendBuf(ppBuf, pLenBuf, iBuf + iLenVal + 1));
memcpy(*ppBuf + iBuf, pVal, iLenVal);
iBuf += iLenVal;
*(*ppBuf + iBuf++) = ' ';
dbgprintf("TAG\n");
/* syslogtag */
/* max size for TAG assumed 200 * TODO: check! */
if(iBuf + 200 >= *pLenBuf)
CHKiRet(ExtendBuf(ppBuf, pLenBuf, iBuf + 200));
getTAG(pMsg, &pVal, &iLenVal);
memcpy(*ppBuf + iBuf, pVal, iLenVal);
iBuf += iLenVal;
dbgprintf("MSG\n");
/* MSG, plus leading space if necessary */
pVal = getMSG(pMsg);
iLenVal = getMSGLen(pMsg);
if(iBuf + iLenVal + 1 >= *pLenBuf) /* we reserve one char for the leading SP*/
CHKiRet(ExtendBuf(ppBuf, pLenBuf, iBuf + iLenVal + 1));
if(pVal[0] != ' ')
*(*ppBuf + iBuf++) = ' ';
memcpy(*ppBuf + iBuf, pVal, iLenVal);
iBuf += iLenVal;
dbgprintf("Trailer\n");
/* end sequence */
iLenVal = 2;
if(iBuf + iLenVal >= *pLenBuf) /* we reserve one char for the final \0! */
CHKiRet(ExtendBuf(ppBuf, pLenBuf, iBuf + iLenVal + 1));
*(*ppBuf + iBuf++) = '\n';
*(*ppBuf + iBuf) = '\0';
finalize_it:
ENDstrgen
BEGINmodExit
CODESTARTmodExit
/* release what we no longer need */
objRelease(errmsg, CORE_COMPONENT);
objRelease(glbl, CORE_COMPONENT);
objRelease(parser, CORE_COMPONENT);
objRelease(datetime, CORE_COMPONENT);
ENDmodExit
BEGINqueryEtryPt
CODESTARTqueryEtryPt
CODEqueryEtryPt_STD_SMOD_QUERIES
ENDqueryEtryPt
BEGINmodInit(smtradfile)
CODESTARTmodInit
*ipIFVersProvided = CURR_MOD_IF_VERSION; /* we only support the current interface specification */
CODEmodInit_QueryRegCFSLineHdlr
CHKiRet(objUse(glbl, CORE_COMPONENT));
CHKiRet(objUse(errmsg, CORE_COMPONENT));
CHKiRet(objUse(parser, CORE_COMPONENT));
CHKiRet(objUse(datetime, CORE_COMPONENT));
dbgprintf("traditional file format strgen init called, compiled with version %s\n", VERSION);
dbgprintf("GetStrgenName addr %p\n", GetStrgenName);
ENDmodInit
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