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-rw-r--r--msg.c928
1 files changed, 667 insertions, 261 deletions
diff --git a/msg.c b/msg.c
index 3473495c..7c020a61 100644
--- a/msg.c
+++ b/msg.c
@@ -9,36 +9,47 @@
*
* Copyright 2007 Rainer Gerhards and Adiscon GmbH.
*
- * This program 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 2
- * of the License, or (at your option) any later version.
+ * This file is part of rsyslog.
*
- * This program is distributed in the hope that it will be useful,
+ * 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 this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * 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 <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#define SYSLOG_NAMES
-#include <sys/syslog.h>
#include <string.h>
#include <assert.h>
#include <ctype.h>
+#include "rsyslog.h"
#include "syslogd.h"
#include "srUtils.h"
+#include "stringbuf.h"
#include "template.h"
#include "msg.h"
+#include "var.h"
+#include "datetime.h"
+#include "regexp.h"
+#include "atomic.h"
+
+/* static data */
+DEFobjStaticHelpers
+DEFobjCurrIf(var)
+DEFobjCurrIf(datetime)
+DEFobjCurrIf(regexp)
static syslogCODE rs_prioritynames[] =
{
@@ -57,17 +68,22 @@ static syslogCODE rs_prioritynames[] =
{ NULL, -1 }
};
+#ifndef LOG_AUTHPRIV
+# define LOG_AUTHPRIV LOG_AUTH
+#endif
static syslogCODE rs_facilitynames[] =
{
{ "auth", LOG_AUTH },
{ "authpriv", LOG_AUTHPRIV },
{ "cron", LOG_CRON },
{ "daemon", LOG_DAEMON },
- { "ftp", LOG_FTP },
+#if defined(LOG_FTP)
+ {"ftp", LOG_FTP},
+#endif
{ "kern", LOG_KERN },
{ "lpr", LOG_LPR },
{ "mail", LOG_MAIL },
- { "mark", INTERNAL_MARK }, /* INTERNAL */
+ //{ "mark", INTERNAL_MARK }, /* INTERNAL */
{ "news", LOG_NEWS },
{ "security", LOG_AUTH }, /* DEPRECATED */
{ "syslog", LOG_SYSLOG },
@@ -84,6 +100,9 @@ static syslogCODE rs_facilitynames[] =
{ NULL, -1 }
};
+/* some forward declarations */
+static int getAPPNAMELen(msg_t *pM);
+
/* The following functions will support advanced output module
* multithreading, once this is implemented. Currently, we
* include them as hooks only. The idea is that we need to guard
@@ -96,96 +115,197 @@ static syslogCODE rs_facilitynames[] =
* for "set" methods, as these are called during input. Only "get"
* functions that modify important structures have them.
* rgerhards, 2007-07-20
+ * We now support locked and non-locked operations, depending on
+ * the configuration of rsyslog. To support this, we use function
+ * pointers. Initially, we start in non-locked mode. There, all
+ * locking operations call into dummy functions. When locking is
+ * enabled, the function pointers are changed to functions doing
+ * actual work. We also introduced another MsgPrepareEnqueue() function
+ * which initializes the locking structures, if needed. This is
+ * necessary because internal messages during config file startup
+ * processing are always created in non-locking mode. So we can
+ * not initialize locking structures during constructions. We now
+ * postpone this until when the message is fully constructed and
+ * enqueued. Then we know the status of locking. This has a nice
+ * side effect, and that is that during the initial creation of
+ * the Msg object no locking needs to be done, which results in better
+ * performance. -- rgerhards, 2008-01-05
+ */
+static void (*funcLock)(msg_t *pMsg);
+static void (*funcUnlock)(msg_t *pMsg);
+static void (*funcDeleteMutex)(msg_t *pMsg);
+void (*funcMsgPrepareEnqueue)(msg_t *pMsg);
+#if 1 /* This is a debug aid */
+#define MsgLock(pMsg) funcLock(pMsg)
+#define MsgUnlock(pMsg) funcUnlock(pMsg)
+#else
+#define MsgLock(pMsg) {dbgprintf("line %d\n - ", __LINE__); funcLock(pMsg);; }
+#define MsgUnlock(pMsg) {dbgprintf("line %d - ", __LINE__); funcUnlock(pMsg); }
+#endif
+
+/* the next function is a dummy to be used by the looking functions
+ * when the class is not yet running in an environment where locking
+ * is necessary. Please note that the need to lock can (and will) change
+ * during a single run. Typically, this is depending on the operation mode
+ * of the message queues (which is operator-configurable). -- rgerhards, 2008-01-05
+ */
+static void MsgLockingDummy(msg_t __attribute__((unused)) *pMsg)
+{
+ /* empty be design */
+}
+
+
+/* The following function prepares a message for enqueue into the queue. This is
+ * where a message may be accessed by multiple threads. This implementation here
+ * is the version for multiple concurrent acces. It initializes the locking
+ * structures.
*/
-#define MsgLock(pMsg)
-#define MsgUnlock(pMsg)
+static void MsgPrepareEnqueueLockingCase(msg_t *pThis)
+{
+ assert(pThis != NULL);
+ pthread_mutexattr_settype(&pThis->mutAttr, PTHREAD_MUTEX_RECURSIVE);
+ pthread_mutex_init(&pThis->mut, &pThis->mutAttr);
+}
+
+/* ... and now the locking and unlocking implementations: */
+static void MsgLockLockingCase(msg_t *pThis)
+{
+ /* DEV debug only! dbgprintf("MsgLock(0x%lx)\n", (unsigned long) pThis); */
+ assert(pThis != NULL);
+ pthread_mutex_lock(&pThis->mut);
+}
+
+static void MsgUnlockLockingCase(msg_t *pThis)
+{
+ /* DEV debug only! dbgprintf("MsgUnlock(0x%lx)\n", (unsigned long) pThis); */
+ assert(pThis != NULL);
+ pthread_mutex_unlock(&pThis->mut);
+}
+
+/* delete the mutex object on message destruction (locking case)
+ */
+static void MsgDeleteMutexLockingCase(msg_t *pThis)
+{
+ assert(pThis != NULL);
+ pthread_mutex_destroy(&pThis->mut);
+}
+
+/* enable multiple concurrent access on the message object
+ * This works on a class-wide basis and can bot be undone.
+ * That is, if it is once enabled, it can not be disabled during
+ * the same run. When this function is called, no other thread
+ * must manipulate message objects. Then we would have race conditions,
+ * but guarding against this is counter-productive because it
+ * would cost additional time. Plus, it would be a programming error.
+ * rgerhards, 2008-01-05
+ */
+rsRetVal MsgEnableThreadSafety(void)
+{
+ funcLock = MsgLockLockingCase;
+ funcUnlock = MsgUnlockLockingCase;
+ funcMsgPrepareEnqueue = MsgPrepareEnqueueLockingCase;
+ funcDeleteMutex = MsgDeleteMutexLockingCase;
+ return RS_RET_OK;
+}
+
+/* end locking functions */
/* "Constructor" for a msg "object". Returns a pointer to
* the new object or NULL if no such object could be allocated.
* An object constructed via this function should only be destroyed
- * via "MsgDestruct()".
+ * via "msgDestruct()".
*/
-msg_t* MsgConstruct(void)
+rsRetVal msgConstruct(msg_t **ppThis)
{
+ DEFiRet;
msg_t *pM;
- if((pM = calloc(1, sizeof(msg_t))) != NULL)
- { /* initialize members that are non-zero */
- pM->iRefCount = 1;
- pM->iSyslogVers = -1;
- pM->iSeverity = -1;
- pM->iFacility = -1;
- getCurrTime(&(pM->tRcvdAt));
- }
+ assert(ppThis != NULL);
+ if((pM = calloc(1, sizeof(msg_t))) == NULL)
+ ABORT_FINALIZE(RS_RET_OUT_OF_MEMORY);
- /* DEV debugging only! dbgprintf("MsgConstruct\t0x%x, ref 1\n", (int)pM);*/
+ /* initialize members that are non-zero */
+ pM->iRefCount = 1;
+ pM->iSeverity = -1;
+ pM->iFacility = -1;
+ datetime.getCurrTime(&(pM->tRcvdAt));
+ objConstructSetObjInfo(pM);
- return(pM);
+ /* DEV debugging only! dbgprintf("msgConstruct\t0x%x, ref 1\n", (int)pM);*/
+
+ *ppThis = pM;
+
+finalize_it:
+ RETiRet;
}
-/* Destructor for a msg "object". Must be called to dispose
- * of a msg object.
- */
-void MsgDestruct(msg_t * pM)
-{
- assert(pM != NULL);
- /* DEV Debugging only ! dbgprintf("MsgDestruct\t0x%x, Ref now: %d\n", (int)pM, pM->iRefCount - 1); */
- if(--pM->iRefCount == 0)
+BEGINobjDestruct(msg) /* be sure to specify the object type also in END and CODESTART macros! */
+ int currRefCount;
+CODESTARTobjDestruct(msg)
+ /* DEV Debugging only ! dbgprintf("msgDestruct\t0x%lx, Ref now: %d\n", (unsigned long)pM, pM->iRefCount - 1); */
+# ifdef DO_HAVE_ATOMICS
+ currRefCount = ATOMIC_DEC_AND_FETCH(pThis->iRefCount);
+# else
+ currRefCount = --pThis->iRefCount;
+# endif
+ if(currRefCount == 0)
{
- /* DEV Debugging Only! dbgprintf("MsgDestruct\t0x%x, RefCount now 0, doing DESTROY\n", (int)pM); */
- if(pM->pszUxTradMsg != NULL)
- free(pM->pszUxTradMsg);
- if(pM->pszRawMsg != NULL)
- free(pM->pszRawMsg);
- if(pM->pszTAG != NULL)
- free(pM->pszTAG);
- if(pM->pszHOSTNAME != NULL)
- free(pM->pszHOSTNAME);
- if(pM->pszRcvFrom != NULL)
- free(pM->pszRcvFrom);
- if(pM->pszMSG != NULL)
- free(pM->pszMSG);
- if(pM->pszFacility != NULL)
- free(pM->pszFacility);
- if(pM->pszFacilityStr != NULL)
- free(pM->pszFacilityStr);
- if(pM->pszSeverity != NULL)
- free(pM->pszSeverity);
- if(pM->pszSeverityStr != NULL)
- free(pM->pszSeverityStr);
- if(pM->pszRcvdAt3164 != NULL)
- free(pM->pszRcvdAt3164);
- if(pM->pszRcvdAt3339 != NULL)
- free(pM->pszRcvdAt3339);
- if(pM->pszRcvdAt_MySQL != NULL)
- free(pM->pszRcvdAt_MySQL);
- if(pM->pszRcvdAt_PgSQL != NULL)
- free(pM->pszRcvdAt_PgSQL);
- if(pM->pszTIMESTAMP3164 != NULL)
- free(pM->pszTIMESTAMP3164);
- if(pM->pszTIMESTAMP3339 != NULL)
- free(pM->pszTIMESTAMP3339);
- if(pM->pszTIMESTAMP_MySQL != NULL)
- free(pM->pszTIMESTAMP_MySQL);
- if(pM->pszTIMESTAMP_PgSQL != NULL)
- free(pM->pszTIMESTAMP_PgSQL);
- if(pM->pszPRI != NULL)
- free(pM->pszPRI);
- if(pM->pCSProgName != NULL)
- rsCStrDestruct(pM->pCSProgName);
- if(pM->pCSStrucData != NULL)
- rsCStrDestruct(pM->pCSStrucData);
- if(pM->pCSAPPNAME != NULL)
- rsCStrDestruct(pM->pCSAPPNAME);
- if(pM->pCSPROCID != NULL)
- rsCStrDestruct(pM->pCSPROCID);
- if(pM->pCSMSGID != NULL)
- rsCStrDestruct(pM->pCSMSGID);
- free(pM);
+ /* DEV Debugging Only! dbgprintf("msgDestruct\t0x%lx, RefCount now 0, doing DESTROY\n", (unsigned long)pThis); */
+ if(pThis->pszUxTradMsg != NULL)
+ free(pThis->pszUxTradMsg);
+ if(pThis->pszRawMsg != NULL)
+ free(pThis->pszRawMsg);
+ if(pThis->pszTAG != NULL)
+ free(pThis->pszTAG);
+ if(pThis->pszHOSTNAME != NULL)
+ free(pThis->pszHOSTNAME);
+ if(pThis->pszRcvFrom != NULL)
+ free(pThis->pszRcvFrom);
+ if(pThis->pszMSG != NULL)
+ free(pThis->pszMSG);
+ if(pThis->pszFacility != NULL)
+ free(pThis->pszFacility);
+ if(pThis->pszFacilityStr != NULL)
+ free(pThis->pszFacilityStr);
+ if(pThis->pszSeverity != NULL)
+ free(pThis->pszSeverity);
+ if(pThis->pszSeverityStr != NULL)
+ free(pThis->pszSeverityStr);
+ if(pThis->pszRcvdAt3164 != NULL)
+ free(pThis->pszRcvdAt3164);
+ if(pThis->pszRcvdAt3339 != NULL)
+ free(pThis->pszRcvdAt3339);
+ if(pThis->pszRcvdAt_MySQL != NULL)
+ free(pThis->pszRcvdAt_MySQL);
+ if(pThis->pszRcvdAt_PgSQL != NULL)
+ free(pThis->pszRcvdAt_PgSQL);
+ if(pThis->pszTIMESTAMP3164 != NULL)
+ free(pThis->pszTIMESTAMP3164);
+ if(pThis->pszTIMESTAMP3339 != NULL)
+ free(pThis->pszTIMESTAMP3339);
+ if(pThis->pszTIMESTAMP_MySQL != NULL)
+ free(pThis->pszTIMESTAMP_MySQL);
+ if(pThis->pszTIMESTAMP_PgSQL != NULL)
+ free(pThis->pszTIMESTAMP_PgSQL);
+ if(pThis->pszPRI != NULL)
+ free(pThis->pszPRI);
+ if(pThis->pCSProgName != NULL)
+ rsCStrDestruct(&pThis->pCSProgName);
+ if(pThis->pCSStrucData != NULL)
+ rsCStrDestruct(&pThis->pCSStrucData);
+ if(pThis->pCSAPPNAME != NULL)
+ rsCStrDestruct(&pThis->pCSAPPNAME);
+ if(pThis->pCSPROCID != NULL)
+ rsCStrDestruct(&pThis->pCSPROCID);
+ if(pThis->pCSMSGID != NULL)
+ rsCStrDestruct(&pThis->pCSMSGID);
+ funcDeleteMutex(pThis);
+ } else {
+ pThis = NULL; /* tell framework not to destructing the object! */
}
-}
+ENDobjDestruct(msg)
/* The macros below are used in MsgDup(). I use macros
@@ -195,7 +315,7 @@ void MsgDestruct(msg_t * pM)
#define tmpCOPYSZ(name) \
if(pOld->psz##name != NULL) { \
if((pNew->psz##name = srUtilStrDup(pOld->psz##name, pOld->iLen##name)) == NULL) {\
- MsgDestruct(pNew);\
+ msgDestruct(&pNew);\
return NULL;\
}\
pNew->iLen##name = pOld->iLen##name;\
@@ -208,7 +328,7 @@ void MsgDestruct(msg_t * pM)
#define tmpCOPYCSTR(name) \
if(pOld->pCS##name != NULL) {\
if(rsCStrConstructFromCStr(&(pNew->pCS##name), pOld->pCS##name) != RS_RET_OK) {\
- MsgDestruct(pNew);\
+ msgDestruct(&pNew);\
return NULL;\
}\
}
@@ -226,15 +346,13 @@ msg_t* MsgDup(msg_t* pOld)
assert(pOld != NULL);
- if((pNew = (msg_t*) calloc(1, sizeof(msg_t))) == NULL) {
- glblHadMemShortage = 1;
+ BEGINfunc
+ if(msgConstruct(&pNew) != RS_RET_OK) {
return NULL;
}
/* now copy the message properties */
pNew->iRefCount = 1;
- pNew->iSyslogVers = pOld->iSyslogVers;
- pNew->bParseHOSTNAME = pOld->bParseHOSTNAME;
pNew->iSeverity = pOld->iSeverity;
pNew->iFacility = pOld->iFacility;
pNew->bParseHOSTNAME = pOld->bParseHOSTNAME;
@@ -264,12 +382,59 @@ msg_t* MsgDup(msg_t* pOld)
* if they are needed once again. So we let them re-create if needed.
*/
+ ENDfunc
return pNew;
}
#undef tmpCOPYSZ
#undef tmpCOPYCSTR
+/* This method serializes a message object. That means the whole
+ * object is modified into text form. That text form is suitable for
+ * later reconstruction of the object by calling MsgDeSerialize().
+ * The most common use case for this method is the creation of an
+ * on-disk representation of the message object.
+ * We do not serialize the cache properties. We re-create them when needed.
+ * This saves us a lot of memory. Performance is no concern, as serializing
+ * is a so slow operation that recration of the caches does not count. Also,
+ * we do not serialize bParseHOSTNAME, as this is only a helper variable
+ * during msg construction - and never again used later.
+ * rgerhards, 2008-01-03
+ */
+static rsRetVal MsgSerialize(msg_t *pThis, strm_t *pStrm)
+{
+ DEFiRet;
+
+ assert(pThis != NULL);
+ assert(pStrm != NULL);
+
+ CHKiRet(obj.BeginSerialize(pStrm, (obj_t*) pThis));
+ objSerializeSCALAR(pStrm, iProtocolVersion, SHORT);
+ objSerializeSCALAR(pStrm, iSeverity, SHORT);
+ objSerializeSCALAR(pStrm, iFacility, SHORT);
+ objSerializeSCALAR(pStrm, msgFlags, INT);
+ objSerializeSCALAR(pStrm, tRcvdAt, SYSLOGTIME);
+ objSerializeSCALAR(pStrm, tTIMESTAMP, SYSLOGTIME);
+
+ objSerializePTR(pStrm, pszRawMsg, PSZ);
+ objSerializePTR(pStrm, pszMSG, PSZ);
+ objSerializePTR(pStrm, pszUxTradMsg, PSZ);
+ objSerializePTR(pStrm, pszTAG, PSZ);
+ objSerializePTR(pStrm, pszHOSTNAME, PSZ);
+ objSerializePTR(pStrm, pszRcvFrom, PSZ);
+
+ objSerializePTR(pStrm, pCSStrucData, CSTR);
+ objSerializePTR(pStrm, pCSAPPNAME, CSTR);
+ objSerializePTR(pStrm, pCSPROCID, CSTR);
+ objSerializePTR(pStrm, pCSMSGID, CSTR);
+
+ CHKiRet(obj.EndSerialize(pStrm));
+
+finalize_it:
+ RETiRet;
+}
+
+
/* Increment reference count - see description of the "msg"
* structure for details. As a convenience to developers,
* this method returns the msg pointer that is passed to it.
@@ -280,9 +445,13 @@ msg_t* MsgDup(msg_t* pOld)
msg_t *MsgAddRef(msg_t *pM)
{
assert(pM != NULL);
- MsgLock();
- pM->iRefCount++;
- MsgUnlock();
+# ifdef DO_HAVE_ATOMICS
+ ATOMIC_INC(pM->iRefCount);
+# else
+ MsgLock(pM);
+ pM->iRefCount++;
+ MsgUnlock(pM);
+# endif
/* DEV debugging only! dbgprintf("MsgAddRef\t0x%x done, Ref now: %d\n", (int)pM, pM->iRefCount);*/
return(pM);
}
@@ -301,7 +470,7 @@ msg_t *MsgAddRef(msg_t *pM)
static rsRetVal aquirePROCIDFromTAG(msg_t *pM)
{
register int i;
- int iRet;
+ DEFiRet;
assert(pM != NULL);
if(pM->pCSPROCID != NULL)
@@ -320,12 +489,10 @@ static rsRetVal aquirePROCIDFromTAG(msg_t *pM)
++i; /* skip '[' */
/* now obtain the PROCID string... */
- if((pM->pCSPROCID = rsCStrConstruct()) == NULL)
- return RS_RET_OBJ_CREATION_FAILED; /* best we can do... */
+ CHKiRet(rsCStrConstruct(&pM->pCSPROCID));
rsCStrSetAllocIncrement(pM->pCSPROCID, 16);
while((i < pM->iLenTAG) && (pM->pszTAG[i] != ']')) {
- if((iRet = rsCStrAppendChar(pM->pCSPROCID, pM->pszTAG[i])) != RS_RET_OK)
- return iRet;
+ CHKiRet(rsCStrAppendChar(pM->pCSPROCID, pM->pszTAG[i]));
++i;
}
@@ -335,16 +502,15 @@ static rsRetVal aquirePROCIDFromTAG(msg_t *pM)
* the buffer and simply return. Note that this is NOT an error
* case!
*/
- rsCStrDestruct(pM->pCSPROCID);
- pM->pCSPROCID = NULL;
- return RS_RET_OK;
+ rsCStrDestruct(&pM->pCSPROCID);
+ FINALIZE;
}
/* OK, finaally we could obtain a PROCID. So let's use it ;) */
- if((iRet = rsCStrFinish(pM->pCSPROCID)) != RS_RET_OK)
- return iRet;
+ CHKiRet(rsCStrFinish(pM->pCSPROCID));
- return RS_RET_OK;
+finalize_it:
+ RETiRet;
}
@@ -366,29 +532,27 @@ static rsRetVal aquirePROCIDFromTAG(msg_t *pM)
*/
static rsRetVal aquireProgramName(msg_t *pM)
{
+ DEFiRet;
register int i;
- int iRet;
assert(pM != NULL);
if(pM->pCSProgName == NULL) {
/* ok, we do not yet have it. So let's parse the TAG
* to obtain it.
*/
- if((pM->pCSProgName = rsCStrConstruct()) == NULL)
- return RS_RET_OBJ_CREATION_FAILED; /* best we can do... */
+ CHKiRet(rsCStrConstruct(&pM->pCSProgName));
rsCStrSetAllocIncrement(pM->pCSProgName, 33);
for( i = 0
; (i < pM->iLenTAG) && isprint((int) pM->pszTAG[i])
&& (pM->pszTAG[i] != '\0') && (pM->pszTAG[i] != ':')
&& (pM->pszTAG[i] != '[') && (pM->pszTAG[i] != '/')
; ++i) {
- if((iRet = rsCStrAppendChar(pM->pCSProgName, pM->pszTAG[i])) != RS_RET_OK)
- return iRet;
+ CHKiRet(rsCStrAppendChar(pM->pCSProgName, pM->pszTAG[i]));
}
- if((iRet = rsCStrFinish(pM->pCSProgName)) != RS_RET_OK)
- return iRet;
+ CHKiRet(rsCStrFinish(pM->pCSProgName));
}
- return RS_RET_OK;
+finalize_it:
+ RETiRet;
}
@@ -485,7 +649,7 @@ char *getPRI(msg_t *pM)
if(pM == NULL)
return "";
- MsgLock();
+ MsgLock(pM);
if(pM->pszPRI == NULL) {
/* OK, we need to construct it...
* we use a 5 byte buffer - as of
@@ -496,7 +660,7 @@ char *getPRI(msg_t *pM)
pM->iLenPRI = snprintf((char*)pM->pszPRI, 5, "%d",
LOG_MAKEPRI(pM->iFacility, pM->iSeverity));
}
- MsgUnlock();
+ MsgUnlock(pM);
return (char*)pM->pszPRI;
}
@@ -517,64 +681,64 @@ char *getTimeReported(msg_t *pM, enum tplFormatTypes eFmt)
switch(eFmt) {
case tplFmtDefault:
- MsgLock();
+ MsgLock(pM);
if(pM->pszTIMESTAMP3164 == NULL) {
if((pM->pszTIMESTAMP3164 = malloc(16)) == NULL) {
glblHadMemShortage = 1;
- MsgUnlock();
+ MsgUnlock(pM);
return "";
}
- formatTimestamp3164(&pM->tTIMESTAMP, pM->pszTIMESTAMP3164, 16);
+ datetime.formatTimestamp3164(&pM->tTIMESTAMP, pM->pszTIMESTAMP3164, 16);
}
- MsgUnlock();
+ MsgUnlock(pM);
return(pM->pszTIMESTAMP3164);
case tplFmtMySQLDate:
- MsgLock();
+ MsgLock(pM);
if(pM->pszTIMESTAMP_MySQL == NULL) {
if((pM->pszTIMESTAMP_MySQL = malloc(15)) == NULL) {
glblHadMemShortage = 1;
- MsgUnlock();
+ MsgUnlock(pM);
return "";
}
- formatTimestampToMySQL(&pM->tTIMESTAMP, pM->pszTIMESTAMP_MySQL, 15);
+ datetime.formatTimestampToMySQL(&pM->tTIMESTAMP, pM->pszTIMESTAMP_MySQL, 15);
}
- MsgUnlock();
+ MsgUnlock(pM);
return(pM->pszTIMESTAMP_MySQL);
case tplFmtPgSQLDate:
- MsgLock();
+ MsgLock(pM);
if(pM->pszTIMESTAMP_PgSQL == NULL) {
if((pM->pszTIMESTAMP_PgSQL = malloc(21)) == NULL) {
glblHadMemShortage = 1;
- MsgUnlock();
+ MsgUnlock(pM);
return "";
}
- formatTimestampToPgSQL(&pM->tTIMESTAMP, pM->pszTIMESTAMP_PgSQL, 21);
+ datetime.formatTimestampToPgSQL(&pM->tTIMESTAMP, pM->pszTIMESTAMP_PgSQL, 21);
}
- MsgUnlock();
+ MsgUnlock(pM);
return(pM->pszTIMESTAMP_PgSQL);
case tplFmtRFC3164Date:
- MsgLock();
+ MsgLock(pM);
if(pM->pszTIMESTAMP3164 == NULL) {
if((pM->pszTIMESTAMP3164 = malloc(16)) == NULL) {
glblHadMemShortage = 1;
- MsgUnlock();
+ MsgUnlock(pM);
return "";
}
- formatTimestamp3164(&pM->tTIMESTAMP, pM->pszTIMESTAMP3164, 16);
+ datetime.formatTimestamp3164(&pM->tTIMESTAMP, pM->pszTIMESTAMP3164, 16);
}
- MsgUnlock();
+ MsgUnlock(pM);
return(pM->pszTIMESTAMP3164);
case tplFmtRFC3339Date:
- MsgLock();
+ MsgLock(pM);
if(pM->pszTIMESTAMP3339 == NULL) {
if((pM->pszTIMESTAMP3339 = malloc(33)) == NULL) {
glblHadMemShortage = 1;
- MsgUnlock();
+ MsgUnlock(pM);
return ""; /* TODO: check this: can it cause a free() of constant memory?) */
}
- formatTimestamp3339(&pM->tTIMESTAMP, pM->pszTIMESTAMP3339, 33);
+ datetime.formatTimestamp3339(&pM->tTIMESTAMP, pM->pszTIMESTAMP3339, 33);
}
- MsgUnlock();
+ MsgUnlock(pM);
return(pM->pszTIMESTAMP3339);
}
return "INVALID eFmt OPTION!";
@@ -587,64 +751,64 @@ char *getTimeGenerated(msg_t *pM, enum tplFormatTypes eFmt)
switch(eFmt) {
case tplFmtDefault:
- MsgLock();
+ MsgLock(pM);
if(pM->pszRcvdAt3164 == NULL) {
if((pM->pszRcvdAt3164 = malloc(16)) == NULL) {
glblHadMemShortage = 1;
- MsgUnlock();
+ MsgUnlock(pM);
return "";
}
- formatTimestamp3164(&pM->tRcvdAt, pM->pszRcvdAt3164, 16);
+ datetime.formatTimestamp3164(&pM->tRcvdAt, pM->pszRcvdAt3164, 16);
}
- MsgUnlock();
+ MsgUnlock(pM);
return(pM->pszRcvdAt3164);
case tplFmtMySQLDate:
- MsgLock();
+ MsgLock(pM);
if(pM->pszRcvdAt_MySQL == NULL) {
if((pM->pszRcvdAt_MySQL = malloc(15)) == NULL) {
glblHadMemShortage = 1;
- MsgUnlock();
+ MsgUnlock(pM);
return "";
}
- formatTimestampToMySQL(&pM->tRcvdAt, pM->pszRcvdAt_MySQL, 15);
+ datetime.formatTimestampToMySQL(&pM->tRcvdAt, pM->pszRcvdAt_MySQL, 15);
}
- MsgUnlock();
+ MsgUnlock(pM);
return(pM->pszRcvdAt_MySQL);
case tplFmtPgSQLDate:
- MsgLock();
+ MsgLock(pM);
if(pM->pszRcvdAt_PgSQL == NULL) {
if((pM->pszRcvdAt_PgSQL = malloc(21)) == NULL) {
glblHadMemShortage = 1;
- MsgUnlock();
+ MsgUnlock(pM);
return "";
}
- formatTimestampToPgSQL(&pM->tRcvdAt, pM->pszRcvdAt_PgSQL, 21);
+ datetime.formatTimestampToPgSQL(&pM->tRcvdAt, pM->pszRcvdAt_PgSQL, 21);
}
- MsgUnlock();
+ MsgUnlock(pM);
return(pM->pszRcvdAt_PgSQL);
case tplFmtRFC3164Date:
- MsgLock();
+ MsgLock(pM);
if(pM->pszRcvdAt3164 == NULL) {
if((pM->pszRcvdAt3164 = malloc(16)) == NULL) {
glblHadMemShortage = 1;
- MsgUnlock();
+ MsgUnlock(pM);
return "";
}
- formatTimestamp3164(&pM->tRcvdAt, pM->pszRcvdAt3164, 16);
+ datetime.formatTimestamp3164(&pM->tRcvdAt, pM->pszRcvdAt3164, 16);
}
- MsgUnlock();
+ MsgUnlock(pM);
return(pM->pszRcvdAt3164);
case tplFmtRFC3339Date:
- MsgLock();
+ MsgLock(pM);
if(pM->pszRcvdAt3339 == NULL) {
if((pM->pszRcvdAt3339 = malloc(33)) == NULL) {
glblHadMemShortage = 1;
- MsgUnlock();
+ MsgUnlock(pM);
return "";
}
- formatTimestamp3339(&pM->tRcvdAt, pM->pszRcvdAt3339, 33);
+ datetime.formatTimestamp3339(&pM->tRcvdAt, pM->pszRcvdAt3339, 33);
}
- MsgUnlock();
+ MsgUnlock(pM);
return(pM->pszRcvdAt3339);
}
return "INVALID eFmt OPTION!";
@@ -656,14 +820,14 @@ char *getSeverity(msg_t *pM)
if(pM == NULL)
return "";
- MsgLock();
+ MsgLock(pM);
if(pM->pszSeverity == NULL) {
/* we use a 2 byte buffer - can only be one digit */
- if((pM->pszSeverity = malloc(2)) == NULL) { MsgUnlock() ; return ""; }
+ if((pM->pszSeverity = malloc(2)) == NULL) { MsgUnlock(pM) ; return ""; }
pM->iLenSeverity =
snprintf((char*)pM->pszSeverity, 2, "%d", pM->iSeverity);
}
- MsgUnlock();
+ MsgUnlock(pM);
return((char*)pM->pszSeverity);
}
@@ -677,7 +841,7 @@ char *getSeverityStr(msg_t *pM)
if(pM == NULL)
return "";
- MsgLock();
+ MsgLock(pM);
if(pM->pszSeverityStr == NULL) {
for(c = rs_prioritynames, val = pM->iSeverity; c->c_name; c++)
if(c->c_val == val) {
@@ -686,15 +850,15 @@ char *getSeverityStr(msg_t *pM)
}
if(name == NULL) {
/* we use a 2 byte buffer - can only be one digit */
- if((pM->pszSeverityStr = malloc(2)) == NULL) { MsgUnlock() ; return ""; }
+ if((pM->pszSeverityStr = malloc(2)) == NULL) { MsgUnlock(pM) ; return ""; }
pM->iLenSeverityStr =
snprintf((char*)pM->pszSeverityStr, 2, "%d", pM->iSeverity);
} else {
- if((pM->pszSeverityStr = (uchar*) strdup(name)) == NULL) { MsgUnlock() ; return ""; }
+ if((pM->pszSeverityStr = (uchar*) strdup(name)) == NULL) { MsgUnlock(pM) ; return ""; }
pM->iLenSeverityStr = strlen((char*)name);
}
}
- MsgUnlock();
+ MsgUnlock(pM);
return((char*)pM->pszSeverityStr);
}
@@ -703,17 +867,17 @@ char *getFacility(msg_t *pM)
if(pM == NULL)
return "";
- MsgLock();
+ MsgLock(pM);
if(pM->pszFacility == NULL) {
/* we use a 12 byte buffer - as of
* syslog-protocol, facility can go
* up to 2^32 -1
*/
- if((pM->pszFacility = malloc(12)) == NULL) { MsgUnlock() ; return ""; }
+ if((pM->pszFacility = malloc(12)) == NULL) { MsgUnlock(pM) ; return ""; }
pM->iLenFacility =
snprintf((char*)pM->pszFacility, 12, "%d", pM->iFacility);
}
- MsgUnlock();
+ MsgUnlock(pM);
return((char*)pM->pszFacility);
}
@@ -726,7 +890,7 @@ char *getFacilityStr(msg_t *pM)
if(pM == NULL)
return "";
- MsgLock();
+ MsgLock(pM);
if(pM->pszFacilityStr == NULL) {
for(c = rs_facilitynames, val = pM->iFacility << 3; c->c_name; c++)
if(c->c_val == val) {
@@ -738,93 +902,88 @@ char *getFacilityStr(msg_t *pM)
* syslog-protocol, facility can go
* up to 2^32 -1
*/
- if((pM->pszFacilityStr = malloc(12)) == NULL) { MsgUnlock() ; return ""; }
+ if((pM->pszFacilityStr = malloc(12)) == NULL) { MsgUnlock(pM) ; return ""; }
pM->iLenFacilityStr =
snprintf((char*)pM->pszFacilityStr, 12, "%d", val >> 3);
} else {
- if((pM->pszFacilityStr = (uchar*)strdup(name)) == NULL) { MsgUnlock() ; return ""; }
+ if((pM->pszFacilityStr = (uchar*)strdup(name)) == NULL) { MsgUnlock(pM) ; return ""; }
pM->iLenFacilityStr = strlen((char*)name);
}
}
- MsgUnlock();
+ MsgUnlock(pM);
return((char*)pM->pszFacilityStr);
}
+/* set flow control state (if not called, the default - NO_DELAY - is used)
+ * This needs no locking because it is only done while the object is
+ * not fully constructed (which also means you must not call this
+ * method after the msg has been handed over to a queue).
+ * rgerhards, 2008-03-14
+ */
+rsRetVal
+MsgSetFlowControlType(msg_t *pMsg, flowControl_t eFlowCtl)
+{
+ DEFiRet;
+ assert(pMsg != NULL);
+ assert(eFlowCtl == eFLOWCTL_NO_DELAY || eFlowCtl == eFLOWCTL_LIGHT_DELAY || eFlowCtl == eFLOWCTL_FULL_DELAY);
+
+ pMsg->flowCtlType = eFlowCtl;
+
+ RETiRet;
+}
+
+
/* rgerhards 2004-11-24: set APP-NAME in msg object
+ * TODO: revisit msg locking code!
*/
rsRetVal MsgSetAPPNAME(msg_t *pMsg, char* pszAPPNAME)
{
+ DEFiRet;
assert(pMsg != NULL);
if(pMsg->pCSAPPNAME == NULL) {
/* we need to obtain the object first */
- if((pMsg->pCSAPPNAME = rsCStrConstruct()) == NULL)
- return RS_RET_OBJ_CREATION_FAILED; /* best we can do... */
+ CHKiRet(rsCStrConstruct(&pMsg->pCSAPPNAME));
rsCStrSetAllocIncrement(pMsg->pCSAPPNAME, 128);
}
/* if we reach this point, we have the object */
- return rsCStrSetSzStr(pMsg->pCSAPPNAME, (uchar*) pszAPPNAME);
-}
+ iRet = rsCStrSetSzStr(pMsg->pCSAPPNAME, (uchar*) pszAPPNAME);
-
-/* This function tries to emulate APPNAME if it is not present. Its
- * main use is when we have received a log record via legacy syslog and
- * now would like to send out the same one via syslog-protocol.
- */
-static void tryEmulateAPPNAME(msg_t *pM)
-{
- assert(pM != NULL);
- if(pM->pCSAPPNAME != NULL)
- return; /* we are already done */
-
- if(getProtocolVersion(pM) == 0) {
- /* only then it makes sense to emulate */
- MsgSetAPPNAME(pM, getProgramName(pM));
- }
-}
-
-
-/* rgerhards, 2005-11-24
- */
-int getAPPNAMELen(msg_t *pM)
-{
- assert(pM != NULL);
- MsgLock();
- if(pM->pCSAPPNAME == NULL)
- tryEmulateAPPNAME(pM);
- MsgUnlock();
- return (pM->pCSAPPNAME == NULL) ? 0 : rsCStrLen(pM->pCSAPPNAME);
+finalize_it:
+ RETiRet;
}
+static void tryEmulateAPPNAME(msg_t *pM); /* forward reference */
/* rgerhards, 2005-11-24
*/
char *getAPPNAME(msg_t *pM)
{
assert(pM != NULL);
- MsgLock();
+ MsgLock(pM);
if(pM->pCSAPPNAME == NULL)
tryEmulateAPPNAME(pM);
- MsgUnlock();
+ MsgUnlock(pM);
return (pM->pCSAPPNAME == NULL) ? "" : (char*) rsCStrGetSzStrNoNULL(pM->pCSAPPNAME);
}
-
-
/* rgerhards 2004-11-24: set PROCID in msg object
*/
rsRetVal MsgSetPROCID(msg_t *pMsg, char* pszPROCID)
{
- assert(pMsg != NULL);
+ DEFiRet;
+ ISOBJ_TYPE_assert(pMsg, msg);
if(pMsg->pCSPROCID == NULL) {
/* we need to obtain the object first */
- if((pMsg->pCSPROCID = rsCStrConstruct()) == NULL)
- return RS_RET_OBJ_CREATION_FAILED; /* best we can do... */
+ CHKiRet(rsCStrConstruct(&pMsg->pCSPROCID));
rsCStrSetAllocIncrement(pMsg->pCSPROCID, 128);
}
/* if we reach this point, we have the object */
- return rsCStrSetSzStr(pMsg->pCSPROCID, (uchar*) pszPROCID);
+ iRet = rsCStrSetSzStr(pMsg->pCSPROCID, (uchar*) pszPROCID);
+
+finalize_it:
+ RETiRet;
}
/* rgerhards, 2005-11-24
@@ -832,10 +991,10 @@ rsRetVal MsgSetPROCID(msg_t *pMsg, char* pszPROCID)
int getPROCIDLen(msg_t *pM)
{
assert(pM != NULL);
- MsgLock();
+ MsgLock(pM);
if(pM->pCSPROCID == NULL)
aquirePROCIDFromTAG(pM);
- MsgUnlock();
+ MsgUnlock(pM);
return (pM->pCSPROCID == NULL) ? 1 : rsCStrLen(pM->pCSPROCID);
}
@@ -844,12 +1003,15 @@ int getPROCIDLen(msg_t *pM)
*/
char *getPROCID(msg_t *pM)
{
- assert(pM != NULL);
- MsgLock();
+ char* pszRet;
+
+ ISOBJ_TYPE_assert(pM, msg);
+ MsgLock(pM);
if(pM->pCSPROCID == NULL)
aquirePROCIDFromTAG(pM);
- MsgUnlock();
- return (pM->pCSPROCID == NULL) ? "-" : (char*) rsCStrGetSzStrNoNULL(pM->pCSPROCID);
+ pszRet = (pM->pCSPROCID == NULL) ? "-" : (char*) rsCStrGetSzStrNoNULL(pM->pCSPROCID);
+ MsgUnlock(pM);
+ return pszRet;
}
@@ -857,15 +1019,18 @@ char *getPROCID(msg_t *pM)
*/
rsRetVal MsgSetMSGID(msg_t *pMsg, char* pszMSGID)
{
- assert(pMsg != NULL);
+ DEFiRet;
+ ISOBJ_TYPE_assert(pMsg, msg);
if(pMsg->pCSMSGID == NULL) {
/* we need to obtain the object first */
- if((pMsg->pCSMSGID = rsCStrConstruct()) == NULL)
- return RS_RET_OBJ_CREATION_FAILED; /* best we can do... */
+ CHKiRet(rsCStrConstruct(&pMsg->pCSMSGID));
rsCStrSetAllocIncrement(pMsg->pCSMSGID, 128);
}
/* if we reach this point, we have the object */
- return rsCStrSetSzStr(pMsg->pCSMSGID, (uchar*) pszMSGID);
+ iRet = rsCStrSetSzStr(pMsg->pCSMSGID, (uchar*) pszMSGID);
+
+finalize_it:
+ RETiRet;
}
/* rgerhards, 2005-11-24
@@ -966,17 +1131,17 @@ char *getTAG(msg_t *pM)
{
char *ret;
- MsgLock();
if(pM == NULL)
ret = "";
else {
+ MsgLock(pM);
tryEmulateTAG(pM);
if(pM->pszTAG == NULL)
ret = "";
else
ret = (char*) pM->pszTAG;
+ MsgUnlock(pM);
}
- MsgUnlock();
return(ret);
}
@@ -1020,15 +1185,18 @@ char *getRcvFrom(msg_t *pM)
*/
rsRetVal MsgSetStructuredData(msg_t *pMsg, char* pszStrucData)
{
- assert(pMsg != NULL);
+ DEFiRet;
+ ISOBJ_TYPE_assert(pMsg, msg);
if(pMsg->pCSStrucData == NULL) {
/* we need to obtain the object first */
- if((pMsg->pCSStrucData = rsCStrConstruct()) == NULL)
- return RS_RET_OBJ_CREATION_FAILED; /* best we can do... */
+ CHKiRet(rsCStrConstruct(&pMsg->pCSStrucData));
rsCStrSetAllocIncrement(pMsg->pCSStrucData, 128);
}
/* if we reach this point, we have the object */
- return rsCStrSetSzStr(pMsg->pCSStrucData, (uchar*) pszStrucData);
+ iRet = rsCStrSetSzStr(pMsg->pCSStrucData, (uchar*) pszStrucData);
+
+finalize_it:
+ RETiRet;
}
/* get the length of the "STRUCTURED-DATA" sz string
@@ -1060,13 +1228,13 @@ int getProgramNameLen(msg_t *pM)
int iRet;
assert(pM != NULL);
- MsgLock();
+ MsgLock(pM);
if((iRet = aquireProgramName(pM)) != RS_RET_OK) {
dbgprintf("error %d returned by aquireProgramName() in getProgramNameLen()\n", iRet);
- MsgUnlock();
+ MsgUnlock(pM);
return 0; /* best we can do (consistent wiht what getProgramName() returns) */
}
- MsgUnlock();
+ MsgUnlock(pM);
return (pM->pCSProgName == NULL) ? 0 : rsCStrLen(pM->pCSProgName);
}
@@ -1075,21 +1243,100 @@ int getProgramNameLen(msg_t *pM)
/* get the "programname" as sz string
* rgerhards, 2005-10-19
*/
-char *getProgramName(msg_t *pM)
+char *getProgramName(msg_t *pM) /* this is the non-locking version for internal use */
+{
+ int iRet;
+ char *pszRet;
+
+ assert(pM != NULL);
+ MsgLock(pM);
+ if((iRet = aquireProgramName(pM)) != RS_RET_OK) {
+ dbgprintf("error %d returned by aquireProgramName() in getProgramName()\n", iRet);
+ pszRet = ""; /* best we can do */
+ } else {
+ pszRet = (pM->pCSProgName == NULL) ? "" : (char*) rsCStrGetSzStrNoNULL(pM->pCSProgName);
+ }
+
+ MsgUnlock(pM);
+ return pszRet;
+}
+/* The code below was an approach without PTHREAD_MUTEX_RECURSIVE
+ * However, it turned out to be quite complex. So far, we use recursive
+ * locking, which is OK from a performance point of view, especially as
+ * we do not anticipate that multithreading msg objects is used often.
+ * However, we may re-think about using non-recursive locking and I leave this
+ * code in here to conserve the idea. -- rgerhards, 2008-01-05
+ */
+#if 0
+static char *getProgramNameNoLock(msg_t *pM) /* this is the non-locking version for internal use */
{
int iRet;
assert(pM != NULL);
- MsgLock();
if((iRet = aquireProgramName(pM)) != RS_RET_OK) {
dbgprintf("error %d returned by aquireProgramName() in getProgramName()\n", iRet);
- MsgUnlock();
return ""; /* best we can do */
}
- MsgUnlock();
return (pM->pCSProgName == NULL) ? "" : (char*) rsCStrGetSzStrNoNULL(pM->pCSProgName);
}
+char *getProgramName(msg_t *pM) /* this is the external callable version */
+{
+ char *pszRet;
+
+ MsgLock(pM);
+ pszRet = getProgramNameNoLock(pM);
+ MsgUnlock(pM);
+ return pszRet;
+}
+/* an alternative approach has been: */
+/* The macro below is used to generate external function definitions
+ * for such functions that may also be called internally (and thus have
+ * both a locking and non-locking implementation. Over time, we could
+ * reconsider how we handle that. -- rgerhards, 2008-01-05
+ */
+#define EXT_LOCKED_FUNC(fName, ret) \
+ret fName(msg_t *pM) \
+{ \
+ ret valRet; \
+ MsgLock(pM); \
+ valRet = fName##NoLock(pM); \
+ MsgUnlock(pM); \
+ return(valRet); \
+}
+EXT_LOCKED_FUNC(getProgramName, char*)
+/* in this approach, the external function is provided by the macro and
+ * needs not to be writen.
+ */
+#endif /* #if 0 -- saved code */
+
+
+/* This function tries to emulate APPNAME if it is not present. Its
+ * main use is when we have received a log record via legacy syslog and
+ * now would like to send out the same one via syslog-protocol.
+ */
+static void tryEmulateAPPNAME(msg_t *pM)
+{
+ assert(pM != NULL);
+ if(pM->pCSAPPNAME != NULL)
+ return; /* we are already done */
+
+ if(getProtocolVersion(pM) == 0) {
+ /* only then it makes sense to emulate */
+ MsgSetAPPNAME(pM, getProgramName(pM));
+ }
+}
+
+
+/* rgerhards, 2005-11-24
+ */
+static int getAPPNAMELen(msg_t *pM)
+{
+ assert(pM != NULL);
+ if(pM->pCSAPPNAME == NULL)
+ tryEmulateAPPNAME(pM);
+ return (pM->pCSAPPNAME == NULL) ? 0 : rsCStrLen(pM->pCSAPPNAME);
+}
/* rgerhards 2004-11-16: set pszRcvFrom in msg object
@@ -1255,7 +1502,7 @@ static uchar *getNOW(eNOWType eNow)
return NULL;
}
- getCurrTime(&t);
+ datetime.getCurrTime(&t);
switch(eNow) {
case NOW_NOW:
snprintf((char*) pBuf, tmpBUFSIZE, "%4.4d-%2.2d-%2.2d", t.year, t.month, t.day);
@@ -1326,7 +1573,7 @@ static uchar *getNOW(eNOWType eNow)
* rgerhards 2005-09-15
*/
char *MsgGetProp(msg_t *pMsg, struct templateEntry *pTpe,
- rsCStrObj *pCSPropName, unsigned short *pbMustBeFreed)
+ cstr_t *pCSPropName, unsigned short *pbMustBeFreed)
{
uchar *pName;
char *pRes; /* result pointer */
@@ -1359,9 +1606,11 @@ char *MsgGetProp(msg_t *pMsg, struct templateEntry *pTpe,
pRes = getRawMsg(pMsg);
} else if(!strcmp((char*) pName, "UxTradMsg")) {
pRes = getUxTradMsg(pMsg);
- } else if(!strcmp((char*) pName, "FROMHOST")) {
+ } else if( !strcmp((char*) pName, "FROMHOST")
+ || !strcmp((char*) pName, "fromhost")) {
pRes = getRcvFrom(pMsg);
} else if(!strcmp((char*) pName, "source")
+ || !strcmp((char*) pName, "hostname")
|| !strcmp((char*) pName, "HOSTNAME")) {
pRes = getHOSTNAME(pMsg);
} else if(!strcmp((char*) pName, "syslogtag")) {
@@ -1484,7 +1733,7 @@ char *MsgGetProp(msg_t *pMsg, struct templateEntry *pTpe,
++iCurrFld;
}
}
- dbgprintf("field requested %d, field found %d\n", pTpe->data.field.iToPos, iCurrFld);
+ dbgprintf("field requested %d, field found %d\n", pTpe->data.field.iToPos, (int) iCurrFld);
if(iCurrFld == pTpe->data.field.iToPos) {
/* field found, now extract it */
@@ -1566,40 +1815,54 @@ char *MsgGetProp(msg_t *pMsg, struct templateEntry *pTpe,
if (pTpe->data.field.has_regex != 0) {
if (pTpe->data.field.has_regex == 2)
/* Could not compile regex before! */
- return
- "**NO MATCH** **BAD REGULAR EXPRESSION**";
+ return "**NO MATCH** **BAD REGULAR EXPRESSION**";
- dbgprintf("debug: String to match for regex is: %s\n",
- pRes);
+ dbgprintf("debug: String to match for regex is: %s\n", pRes);
- if (0 != regexec(&pTpe->data.field.re, pRes, nmatch,
- pmatch, 0)) {
- /* we got no match! */
- return "**NO MATCH**";
- } else {
- /* Match! */
- /* I need to malloc pB */
- int iLenBuf;
- char *pB;
+ if(objUse(regexp, LM_REGEXP_FILENAME) == RS_RET_OK) {
+ if (0 != regexp.regexec(&pTpe->data.field.re, pRes, nmatch, pmatch, 0)) {
+ /* we got no match! */
+ if (*pbMustBeFreed == 1) {
+ free(pRes);
+ *pbMustBeFreed = 0;
+ }
+ return "**NO MATCH**";
+ } else {
+ /* Match! */
+ /* I need to malloc pB */
+ int iLenBuf;
+ char *pB;
+
+ iLenBuf = pmatch[0].rm_eo - pmatch[0].rm_so;
+ pB = (char *) malloc((iLenBuf + 1) * sizeof(char));
+
+ if (pB == NULL) {
+ if (*pbMustBeFreed == 1)
+ free(pRes);
+ *pbMustBeFreed = 0;
+ return "**OUT OF MEMORY ALLOCATING pBuf**";
+ }
- iLenBuf = pmatch[0].rm_eo - pmatch[0].rm_so;
- pB = (char *) malloc((iLenBuf + 1) * sizeof(char));
+ /* Lets copy the matched substring to the buffer */
+ memcpy(pB, pRes + pmatch[0].rm_so, iLenBuf);
+ pB[iLenBuf] = '\0';/* terminate string, did not happen before */
- if (pB == NULL) {
if (*pbMustBeFreed == 1)
free(pRes);
- *pbMustBeFreed = 0;
- return "**OUT OF MEMORY ALLOCATING pBuf**";
+ pRes = pB;
+ *pbMustBeFreed = 1;
}
-
- /* Lets copy the matched substring to the buffer */
- memcpy(pB, pRes + pmatch[0].rm_so, iLenBuf);
- pB[iLenBuf] = '\0';/* terminate string, did not happen before */
-
- if (*pbMustBeFreed == 1)
+ } else {
+ /* we could not load regular expression support. This is quite unexpected at
+ * this stage of processing (after all, the config parser found it), but so
+ * it is. We return an error in that case. -- rgerhards, 2008-03-07
+ */
+ dbgprintf("could not get regexp object pointer, so regexp can not be evaluated\n");
+ if (*pbMustBeFreed == 1) {
free(pRes);
- pRes = pB;
- *pbMustBeFreed = 1;
+ *pbMustBeFreed = 0;
+ }
+ return "***REGEXP NOT AVAILABLE***";
}
}
#endif /* #ifdef FEATURE_REGEXP */
@@ -1884,6 +2147,149 @@ char *MsgGetProp(msg_t *pMsg, struct templateEntry *pTpe,
}
+/* The returns a message variable suitable for use with RainerScript. Most importantly, this means
+ * that the value is returned in a var_t object. The var_t is constructed inside this function and
+ * MUST be freed by the caller.
+ * rgerhards, 2008-02-25
+ */
+rsRetVal
+msgGetMsgVar(msg_t *pThis, cstr_t *pstrPropName, var_t **ppVar)
+{
+ DEFiRet;
+ var_t *pVar;
+ uchar *pszProp = NULL;
+ cstr_t *pstrProp;
+ unsigned short bMustBeFreed = 0;
+
+ ISOBJ_TYPE_assert(pThis, msg);
+ ASSERT(pstrPropName != NULL);
+ ASSERT(ppVar != NULL);
+
+ /* make sure we have a var_t instance */
+ CHKiRet(var.Construct(&pVar));
+ CHKiRet(var.ConstructFinalize(pVar));
+
+ /* always call MsgGetProp() without a template specifier */
+ pszProp = (uchar*) MsgGetProp(pThis, NULL, pstrPropName, &bMustBeFreed);
+
+ /* now create a string object out of it and hand that over to the var */
+ CHKiRet(rsCStrConstructFromszStr(&pstrProp, pszProp));
+ CHKiRet(var.SetString(pVar, pstrProp));
+
+ /* finally store var */
+ *ppVar = pVar;
+
+finalize_it:
+ if(bMustBeFreed)
+ free(pszProp);
+
+ RETiRet;
+}
+
+
+/* This function can be used as a generic way to set properties.
+ * We have to handle a lot of legacy, so our return value is not always
+ * 100% correct (called functions do not always provide one, should
+ * change over time).
+ * rgerhards, 2008-01-07
+ */
+#define isProp(name) !rsCStrSzStrCmp(pProp->pcsName, (uchar*) name, sizeof(name) - 1)
+rsRetVal MsgSetProperty(msg_t *pThis, var_t *pProp)
+{
+ DEFiRet;
+
+ ISOBJ_TYPE_assert(pThis, msg);
+ assert(pProp != NULL);
+
+ if(isProp("iProtocolVersion")) {
+ setProtocolVersion(pThis, pProp->val.num);
+ } else if(isProp("iSeverity")) {
+ pThis->iSeverity = pProp->val.num;
+ } else if(isProp("iFacility")) {
+ pThis->iFacility = pProp->val.num;
+ } else if(isProp("msgFlags")) {
+ pThis->msgFlags = pProp->val.num;
+ } else if(isProp("pszRawMsg")) {
+ MsgSetRawMsg(pThis, (char*) rsCStrGetSzStrNoNULL(pProp->val.pStr));
+ } else if(isProp("pszMSG")) {
+ MsgSetMSG(pThis, (char*) rsCStrGetSzStrNoNULL(pProp->val.pStr));
+ } else if(isProp("pszUxTradMsg")) {
+ MsgSetUxTradMsg(pThis, (char*) rsCStrGetSzStrNoNULL(pProp->val.pStr));
+ } else if(isProp("pszTAG")) {
+ MsgSetTAG(pThis, (char*) rsCStrGetSzStrNoNULL(pProp->val.pStr));
+ } else if(isProp("pszRcvFrom")) {
+ MsgSetHOSTNAME(pThis, (char*) rsCStrGetSzStrNoNULL(pProp->val.pStr));
+ } else if(isProp("pszHOSTNAME")) {
+ MsgSetRcvFrom(pThis, (char*) rsCStrGetSzStrNoNULL(pProp->val.pStr));
+ } else if(isProp("pCSStrucData")) {
+ MsgSetStructuredData(pThis, (char*) rsCStrGetSzStrNoNULL(pProp->val.pStr));
+ } else if(isProp("pCSAPPNAME")) {
+ MsgSetAPPNAME(pThis, (char*) rsCStrGetSzStrNoNULL(pProp->val.pStr));
+ } else if(isProp("pCSPROCID")) {
+ MsgSetPROCID(pThis, (char*) rsCStrGetSzStrNoNULL(pProp->val.pStr));
+ } else if(isProp("pCSMSGID")) {
+ MsgSetMSGID(pThis, (char*) rsCStrGetSzStrNoNULL(pProp->val.pStr));
+ } else if(isProp("tRcvdAt")) {
+ memcpy(&pThis->tRcvdAt, &pProp->val.vSyslogTime, sizeof(struct syslogTime));
+ } else if(isProp("tTIMESTAMP")) {
+ memcpy(&pThis->tTIMESTAMP, &pProp->val.vSyslogTime, sizeof(struct syslogTime));
+ }
+
+ RETiRet;
+}
+#undef isProp
+
+
+/* This is a construction finalizer that must be called after all properties
+ * have been set. It does some final work on the message object. After this
+ * is done, the object is considered ready for full processing.
+ * rgerhards, 2008-07-08
+ */
+static rsRetVal msgConstructFinalizer(msg_t *pThis)
+{
+ MsgPrepareEnqueue(pThis);
+ return RS_RET_OK;
+}
+
+
+/* get the severity - this is an entry point that
+ * satisfies the base object class getSeverity semantics.
+ * rgerhards, 2008-01-14
+ */
+static rsRetVal
+MsgGetSeverity(obj_t *pThis, int *piSeverity)
+{
+ ISOBJ_TYPE_assert(pThis, msg);
+ assert(piSeverity != NULL);
+ *piSeverity = ((msg_t*) pThis)->iSeverity;
+ return RS_RET_OK;
+}
+
+
+/* dummy */
+rsRetVal msgQueryInterface(void) { return RS_RET_NOT_IMPLEMENTED; }
+
+/* Initialize the message class. Must be called as the very first method
+ * before anything else is called inside this class.
+ * rgerhards, 2008-01-04
+ */
+BEGINObjClassInit(msg, 1, OBJ_IS_CORE_MODULE)
+ /* request objects we use */
+ CHKiRet(objUse(var, CORE_COMPONENT));
+ CHKiRet(objUse(datetime, CORE_COMPONENT));
+
+ /* set our own handlers */
+ OBJSetMethodHandler(objMethod_SERIALIZE, MsgSerialize);
+ OBJSetMethodHandler(objMethod_SETPROPERTY, MsgSetProperty);
+ OBJSetMethodHandler(objMethod_CONSTRUCTION_FINALIZER, msgConstructFinalizer);
+ OBJSetMethodHandler(objMethod_GETSEVERITY, MsgGetSeverity);
+ /* initially, we have no need to lock message objects */
+ funcLock = MsgLockingDummy;
+ funcUnlock = MsgLockingDummy;
+ funcDeleteMutex = MsgLockingDummy;
+ funcMsgPrepareEnqueue = MsgLockingDummy;
+ENDObjClassInit(msg)
+
/*
* vi:set ai:
*/