diff options
Diffstat (limited to 'plugins/omstdout')
| -rw-r--r-- | plugins/omstdout/omstdout.c | 80 |
1 files changed, 78 insertions, 2 deletions
diff --git a/plugins/omstdout/omstdout.c b/plugins/omstdout/omstdout.c index 6e227ba9..e491005c 100644 --- a/plugins/omstdout/omstdout.c +++ b/plugins/omstdout/omstdout.c @@ -49,7 +49,12 @@ MODULE_TYPE_OUTPUT */ DEF_OMOD_STATIC_DATA +/* config variables */ +static int bUseArrayInterface; /* shall action use array instead of string template interface? */ + + typedef struct _instanceData { + int bUseArrayInterface; /* uses action use array instead of string template interface? */ } instanceData; BEGINcreateInstance @@ -79,12 +84,46 @@ CODESTARTtryResume ENDtryResume BEGINdoAction + char **szParams; + char *toWrite; + int iParamVal; + int iParam; + int iBuf; + char szBuf[65564]; CODESTARTdoAction - write(1, (char*)ppString[0], strlen((char*)ppString[0])); + if(pData->bUseArrayInterface) { + /* if we use array passing, we need to put together a string + * ourselves. At this point, please keep in mind that omstdout is + * primarily a testing aid. Other modules may do different processing + * if they would like to support downlevel versions which do not support + * array-passing, but also use that interface on cores who do... + * So this code here is also more or less an example of how to do that. + * rgerhards, 2009-04-03 + */ + szParams = (char**) (ppString[0]); + /* In array-passing mode, ppString[] contains a NULL-terminated array + * of char *pointers. + */ + iParam = 0; + iBuf = 0; + while(szParams[iParam] != NULL) { + iParamVal = 0; + while(szParams[iParam][iParamVal] != '\0' && iBuf < sizeof(szBuf)) { + szBuf[iBuf++] = szParams[iParam][iParamVal++]; + } + ++iParam; + } + szBuf[iBuf] = '\0'; + toWrite = szBuf; + } else { + toWrite = (char*) ppString[0]; + } + write(1, toWrite, strlen(toWrite)); /* 1 is stdout! */ ENDdoAction BEGINparseSelectorAct + int iTplOpts; CODESTARTparseSelectorAct CODE_STD_STRING_REQUESTparseSelectorAct(1) /* first check if this config line is actually for us */ @@ -99,7 +138,9 @@ CODE_STD_STRING_REQUESTparseSelectorAct(1) /* check if a non-standard template is to be applied */ if(*(p-1) == ';') --p; - CHKiRet(cflineParseTemplateName(&p, *ppOMSR, 0, 0, (uchar*) "RSYSLOG_FileFormat")); + iTplOpts = (bUseArrayInterface == 0) ? 0 : OMSR_TPL_AS_ARRAY; + CHKiRet(cflineParseTemplateName(&p, *ppOMSR, 0, iTplOpts, (uchar*) "RSYSLOG_FileFormat")); + pData->bUseArrayInterface = bUseArrayInterface; CODE_STD_FINALIZERparseSelectorAct ENDparseSelectorAct @@ -115,10 +156,45 @@ CODEqueryEtryPt_STD_OMOD_QUERIES ENDqueryEtryPt + +/* Reset config variables for this module to default values. + */ +static rsRetVal resetConfigVariables(uchar __attribute__((unused)) *pp, void __attribute__((unused)) *pVal) +{ + DEFiRet; + bUseArrayInterface = 0; + RETiRet; +} + + BEGINmodInit() + rsRetVal localRet; + rsRetVal (*pomsrGetSupportedTplOpts)(unsigned long *pOpts); + unsigned long opts; + int bArrayPassingSupported; /* does core support template passing as an array? */ CODESTARTmodInit *ipIFVersProvided = CURR_MOD_IF_VERSION; /* we only support the current interface specification */ CODEmodInit_QueryRegCFSLineHdlr + /* check if the rsyslog core supports parameter passing code */ + bArrayPassingSupported = 0; + localRet = pHostQueryEtryPt((uchar*)"OMSRgetSupportedTplOpts", &pomsrGetSupportedTplOpts); + if(localRet == RS_RET_OK) { + /* found entry point, so let's see if core supports array passing */ + CHKiRet((*pomsrGetSupportedTplOpts)(&opts)); + if(opts & OMSR_TPL_AS_ARRAY) + bArrayPassingSupported = 1; + } else if(localRet != RS_RET_ENTRY_POINT_NOT_FOUND) { + ABORT_FINALIZE(localRet); /* Something else went wrong, what is not acceptable */ + } + DBGPRINTF("omstdout: array-passing is %ssupported by rsyslog core.\n", bArrayPassingSupported ? "" : "not "); + + if(bArrayPassingSupported) { + /* enable config comand only if core supports it */ + CHKiRet(omsdRegCFSLineHdlr((uchar *)"actionomstdoutarrayinterface", 0, eCmdHdlrBinary, NULL, + &bUseArrayInterface, STD_LOADABLE_MODULE_ID)); + } + CHKiRet(omsdRegCFSLineHdlr((uchar *)"resetconfigvariables", 1, eCmdHdlrCustomHandler, + resetConfigVariables, NULL, STD_LOADABLE_MODULE_ID)); ENDmodInit /* vi:set ai: |