diff options
Diffstat (limited to 'plugins/omuxsock/omuxsock.c')
| -rw-r--r-- | plugins/omuxsock/omuxsock.c | 164 |
1 files changed, 150 insertions, 14 deletions
diff --git a/plugins/omuxsock/omuxsock.c b/plugins/omuxsock/omuxsock.c index b29276f..583b9f9 100644 --- a/plugins/omuxsock/omuxsock.c +++ b/plugins/omuxsock/omuxsock.c @@ -46,6 +46,7 @@ MODULE_TYPE_OUTPUT MODULE_TYPE_NOKEEP +MODULE_CNFNAME("omuxsock") /* internal structures */ @@ -64,13 +65,80 @@ typedef struct _instanceData { } instanceData; /* config data */ -static uchar *tplName = NULL; /* name of the default template to use */ -static uchar *sockName = NULL; /* name of the default template to use */ +typedef struct configSettings_s { + uchar *tplName; /* name of the default template to use */ + uchar *sockName; /* name of the default template to use */ +} configSettings_t; +static configSettings_t cs; + +/* module-global parameters */ +static struct cnfparamdescr modpdescr[] = { + { "template", eCmdHdlrGetWord, 0 }, +}; +static struct cnfparamblk modpblk = + { CNFPARAMBLK_VERSION, + sizeof(modpdescr)/sizeof(struct cnfparamdescr), + modpdescr + }; + +struct modConfData_s { + rsconf_t *pConf; /* our overall config object */ + uchar *tplName; /* default template */ +}; + +static modConfData_t *loadModConf = NULL;/* modConf ptr to use for the current load process */ +static modConfData_t *runModConf = NULL;/* modConf ptr to use for the current exec process */ + + + +BEGINinitConfVars /* (re)set config variables to default values */ +CODESTARTinitConfVars + cs.tplName = NULL; + cs.sockName = NULL; +ENDinitConfVars + static rsRetVal doTryResume(instanceData *pData); -/* Close socket. + +/* this function gets the default template. It coordinates action between + * old-style and new-style configuration parts. */ +static inline uchar* +getDfltTpl(void) +{ + if(loadModConf != NULL && loadModConf->tplName != NULL) + return loadModConf->tplName; + else if(cs.tplName == NULL) + return (uchar*)"RSYSLOG_TraditionalForwardFormat"; + else + return cs.tplName; +} + +/* set the default template to be used + * This is a module-global parameter, and as such needs special handling. It needs to + * be coordinated with values set via the v2 config system (rsyslog v6+). What we do + * is we do not permit this directive after the v2 config system has been used to set + * the parameter. + */ +rsRetVal +setLegacyDfltTpl(void __attribute__((unused)) *pVal, uchar* newVal) +{ + DEFiRet; + + if(loadModConf != NULL && loadModConf->tplName != NULL) { + free(newVal); + errmsg.LogError(0, RS_RET_ERR, "omuxsock default template already set via module " + "global parameter - can no longer be changed"); + ABORT_FINALIZE(RS_RET_ERR); + } + free(cs.tplName); + cs.tplName = newVal; +finalize_it: + RETiRet; +} + + static inline rsRetVal closeSocket(instanceData *pData) { @@ -85,6 +153,72 @@ pData->bIsConnected = 0; // TODO: remove this variable altogether + +BEGINbeginCnfLoad +CODESTARTbeginCnfLoad + loadModConf = pModConf; + pModConf->pConf = pConf; + pModConf->tplName = NULL; +ENDbeginCnfLoad + +BEGINsetModCnf + struct cnfparamvals *pvals = NULL; + int i; +CODESTARTsetModCnf + pvals = nvlstGetParams(lst, &modpblk, NULL); + if(pvals == NULL) { + errmsg.LogError(0, RS_RET_MISSING_CNFPARAMS, "error processing module " + "config parameters [module(...)]"); + ABORT_FINALIZE(RS_RET_MISSING_CNFPARAMS); + } + + if(Debug) { + dbgprintf("module (global) param blk for omuxsock:\n"); + cnfparamsPrint(&modpblk, pvals); + } + + for(i = 0 ; i < modpblk.nParams ; ++i) { + if(!pvals[i].bUsed) + continue; + if(!strcmp(modpblk.descr[i].name, "template")) { + loadModConf->tplName = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL); + if(cs.tplName != NULL) { + errmsg.LogError(0, RS_RET_DUP_PARAM, "omuxsock: warning: default template " + "was already set via legacy directive - may lead to inconsistent " + "results."); + } + } else { + dbgprintf("omuxsock: program error, non-handled " + "param '%s' in beginCnfLoad\n", modpblk.descr[i].name); + } + } +finalize_it: + if(pvals != NULL) + cnfparamvalsDestruct(pvals, &modpblk); +ENDsetModCnf + +BEGINendCnfLoad +CODESTARTendCnfLoad + loadModConf = NULL; /* done loading */ + /* free legacy config vars */ + free(cs.tplName); + cs.tplName = NULL; +ENDendCnfLoad + +BEGINcheckCnf +CODESTARTcheckCnf +ENDcheckCnf + +BEGINactivateCnf +CODESTARTactivateCnf + runModConf = pModConf; +ENDactivateCnf + +BEGINfreeCnf +CODESTARTfreeCnf + free(pModConf->tplName); +ENDfreeCnf + BEGINcreateInstance CODESTARTcreateInstance pData->sock = INVLD_SOCK; @@ -239,16 +373,15 @@ 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, tplName == NULL ? UCHAR_CONSTANT("RSYSLOG_TraditionalForwardFormat") - : tplName )); + CHKiRet(cflineParseTemplateName(&p, *ppOMSR, 0, 0, getDfltTpl())); - if(sockName == NULL) { + if(cs.sockName == NULL) { errmsg.LogError(0, RS_RET_NO_SOCK_CONFIGURED, "No output socket configured for omuxsock\n"); ABORT_FINALIZE(RS_RET_NO_SOCK_CONFIGURED); } - pData->sockName = sockName; - sockName = NULL; /* pData is now owner and will fee it */ + pData->sockName = cs.sockName; + cs.sockName = NULL; /* pData is now owner and will fee it */ CODE_STD_FINALIZERparseSelectorAct ENDparseSelectorAct @@ -260,10 +393,10 @@ ENDparseSelectorAct static inline void freeConfigVars(void) { - free(tplName); - tplName = NULL; - free(sockName); - sockName = NULL; + free(cs.tplName); + cs.tplName = NULL; + free(cs.sockName); + cs.sockName = NULL; } @@ -280,6 +413,8 @@ ENDmodExit BEGINqueryEtryPt CODESTARTqueryEtryPt CODEqueryEtryPt_STD_OMOD_QUERIES +CODEqueryEtryPt_STD_CONF2_QUERIES +CODEqueryEtryPt_STD_CONF2_setModCnf_QUERIES ENDqueryEtryPt @@ -295,13 +430,14 @@ static rsRetVal resetConfigVariables(uchar __attribute__((unused)) *pp, void __a BEGINmodInit() CODESTARTmodInit +INITLegCnfVars *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(regCfSysLineHdlr((uchar *)"omuxsockdefaulttemplate", 0, eCmdHdlrGetWord, NULL, &tplName, NULL)); - CHKiRet(regCfSysLineHdlr((uchar *)"omuxsocksocket", 0, eCmdHdlrGetWord, NULL, &sockName, NULL)); + CHKiRet(regCfSysLineHdlr((uchar *)"omuxsockdefaulttemplate", 0, eCmdHdlrGetWord, setLegacyDfltTpl, NULL, NULL)); + CHKiRet(regCfSysLineHdlr((uchar *)"omuxsocksocket", 0, eCmdHdlrGetWord, NULL, &cs.sockName, NULL)); CHKiRet(omsdRegCFSLineHdlr((uchar *)"resetconfigvariables", 1, eCmdHdlrCustomHandler, resetConfigVariables, NULL, STD_LOADABLE_MODULE_ID)); ENDmodInit |