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/** omoracle.c
This is an output module feeding directly to an Oracle
database. It uses Oracle Call Interface, a propietary module
provided by Oracle.
Author: Luis Fernando Muñoz Mejías
<Luis.Fernando.Munoz.Mejias@cern.ch>
This file is part of rsyslog.
*/
#include "config.h"
#include "rsyslog.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <oci.h>
#include <errno.h>
#include <stdarg.h>
#include <signal.h>
#include <time.h>
#include <assert.h>
#include "dirty.h"
#include "syslogd-types.h"
#include "srUtils.h"
#include "template.h"
#include "module-template.h"
#include "errmsg.h"
#include "cfsysline.h"
#include "omoracle.h"
MODULE_TYPE_OUTPUT
/** */
DEF_OMOD_STATIC_DATA
DEFobjCurrIf(errmsg)
typedef struct _instanceData {
OCIEnv* environment;
OCISession* session;
OCIError* error;
OCIServer* server;
OCIStmt* statement;
OCISvcCtx* service;
OCIAuthInfo* authinfo;
OCIBind* binding;
} instanceData;
/** Generic function for handling errors from OCI.
It will be called only inside CHECKERR and CHECKENV macros.
Arguments: handle The error or environment handle to check.
htype: OCI_HTYPE_* constant, usually OCI_HTYPE_ERROR or
OCI_HTYPE_ENV
status: status code to check, usually the return value of an OCI
function.
Returns OCI_SUCCESS on success, OCI_ERROR otherwise.
*/
static int oci_errors(void* handle, ub4 htype, sword status)
{
sb4 errcode;
char buf[MAX_BUFSIZE];
switch (status) {
case OCI_SUCCESS:
return OCI_SUCCESS;
break;
case OCI_SUCCESS_WITH_INFO:
printf ("OCI SUCCESS - With info\n");
break;
case OCI_NEED_DATA:
printf ("OCI NEEDS MORE DATA\n");
break;
case OCI_ERROR:
printf ("OCI GENERAL ERROR\n");
if (handle) {
OCIErrorGet(handle, 1, NULL, &errcode, buf, sizeof buf, htype);
printf ("Error message: %s", buf);
} else
printf ("NULL handle\n"
"Unable to extract further information");
break;
case OCI_INVALID_HANDLE:
printf ("OCI INVALID HANDLE\n");
break;
case OCI_STILL_EXECUTING:
printf ("Still executing...\n");
break;
case OCI_CONTINUE:
printf ("OCI CONTINUE\n");
break;
}
return OCI_ERROR;
}
/* Resource allocation */
BEGINcreateInstance
CODESTARTcreateInstance
CHECKENV(pData->environment,
OCIEnvCreate(&(pData->environment), OCI_DEFAULT,
NULL, NULL, NULL, NULL, 0, NULL));
CHECKENV(pData->environment,
OCIHandleAlloc(pData->environment, &(pData->error),
OCI_HTYPE_ERROR, 0, NULL));
CHECKENV(pData->environment,
OCIHandleAlloc(pData->environment, &(pData->server),
OCI_HTYPE_SERVER, 0, NULL));
CHECKENV(pData->environment,
OCIHandleAlloc(pData->environment, &(pData->service),
OCI_HTYPE_SVCCTX, 0, NULL));
CHECKENV(pData->environment,
OCIHandleAlloc(pData->environment, &(pData->authinfo),
OCI_HTYPE_AUTHINFO, 0, NULL));
finalize_it:
ENDcreateInstance
/** Free any resources allocated by createInstance. */
BEGINfreeInstance
CODESTARTfreeInstance
OCIHandleFree(pData->environment, OCI_HTYPE_ENV);
OCIHandleFree(pData->error, OCI_HTYPE_ERROR);
OCIHandleFree(pData->server, OCI_HTYPE_SERVER);
OCIHandleFree(pData->service, OCI_HTYPE_SVCCTX);
OCIHandleFree(pData->authinfo, OCI_HTYPE_AUTHINFO);
RETiRet;
ENDfreeInstance
/* BEGINmodInit() */
/* CODESTARTmodInit */
/* *ipIFVersProvided = CURR_MOD_IF_VERSION; */
/* CODEmodInit_QueryRegCFSLineHdlr */
/* CHKiRet(objUse(errmsg, CORE_COMPONENT)); */
/* ENDmodInit */
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