summaryrefslogtreecommitdiffstats
path: root/runtime/msg.c
diff options
context:
space:
mode:
authorRainer Gerhards <rgerhards@adiscon.com>2009-06-23 17:23:28 +0200
committerRainer Gerhards <rgerhards@adiscon.com>2009-06-23 17:23:28 +0200
commita3e512f65f411bd0a4853d3dca9a3f3e6593e490 (patch)
treee68d6057b43388dccfd0c5c930619e977d26e856 /runtime/msg.c
parent06e59df5ded6fa51becb3abe14430027c72f1088 (diff)
parentb2fa740b9ab5fb9e85309b3307f3fca21f625ab1 (diff)
downloadrsyslog-a3e512f65f411bd0a4853d3dca9a3f3e6593e490.tar.gz
rsyslog-a3e512f65f411bd0a4853d3dca9a3f3e6593e490.tar.xz
rsyslog-a3e512f65f411bd0a4853d3dca9a3f3e6593e490.zip
Merge branch 'omfile' into v5-devel
Conflicts: runtime/rsyslog.h
Diffstat (limited to 'runtime/msg.c')
-rw-r--r--runtime/msg.c214
1 files changed, 139 insertions, 75 deletions
diff --git a/runtime/msg.c b/runtime/msg.c
index 1a864648..1a882597 100644
--- a/runtime/msg.c
+++ b/runtime/msg.c
@@ -425,6 +425,11 @@ rsRetVal MsgEnableThreadSafety(void)
* itself but rather uses a user-supplied value. This enables the caller
* to do some tricks to save processing time (done, for example, in the
* udp input).
+ * NOTE: this constructor does NOT call calloc(), as we have many bytes
+ * inside the structure which do not need to be cleared. bzero() will
+ * heavily thrash the cache, so we do the init manually (which also
+ * is the right thing to do with pointers, as they are not neccessarily
+ * a binary 0 on all machines [but today almost always...]).
* rgerhards, 2008-10-06
*/
static inline rsRetVal msgBaseConstruct(msg_t **ppThis)
@@ -433,15 +438,53 @@ static inline rsRetVal msgBaseConstruct(msg_t **ppThis)
msg_t *pM;
assert(ppThis != NULL);
- if((pM = calloc(1, sizeof(msg_t))) == NULL)
- ABORT_FINALIZE(RS_RET_OUT_OF_MEMORY);
+ CHKmalloc(pM = malloc(sizeof(msg_t)));
+ objConstructSetObjInfo(pM); /* intialize object helper entities */
- /* initialize members that are non-zero */
+ /* initialize members in ORDER they appear in structure (think "cache line"!) */
+ pM->flowCtlType = 0;
+ pM->bDoLock = 0;
+ pM->bParseHOSTNAME = 0;
pM->iRefCount = 1;
pM->iSeverity = -1;
pM->iFacility = -1;
+ pM->offAfterPRI = 0;
pM->offMSG = -1;
- objConstructSetObjInfo(pM);
+ pM->iLenInputName = 0;
+ pM->iProtocolVersion = 0;
+ pM->msgFlags = 0;
+ pM->iLenRawMsg = 0;
+ pM->iLenMSG = 0;
+ pM->iLenTAG = 0;
+ pM->iLenHOSTNAME = 0;
+ pM->iLenRcvFrom = 0;
+ pM->iLenRcvFromIP = 0;
+ pM->pszRawMsg = NULL;
+ pM->pszHOSTNAME = NULL;
+ pM->pszRcvFrom = NULL;
+ pM->pszRcvFromIP = NULL;
+ pM->pszInputName = NULL;
+ pM->pszRcvdAt3164 = NULL;
+ pM->pszRcvdAt3339 = NULL;
+ pM->pszRcvdAt_MySQL = NULL;
+ pM->pszRcvdAt_PgSQL = NULL;
+ pM->pszTIMESTAMP3164 = NULL;
+ pM->pszTIMESTAMP3339 = NULL;
+ pM->pszTIMESTAMP_MySQL = NULL;
+ pM->pszTIMESTAMP_PgSQL = NULL;
+ pM->pCSProgName = NULL;
+ pM->pCSStrucData = NULL;
+ pM->pCSAPPNAME = NULL;
+ pM->pCSPROCID = NULL;
+ pM->pCSMSGID = NULL;
+ pM->pRuleset = NULL;
+ memset(&pM->tRcvdAt, 0, sizeof(pM->tRcvdAt));
+ memset(&pM->tTIMESTAMP, 0, sizeof(pM->tTIMESTAMP));
+ pM->TAG.pszTAG = NULL;
+ pM->pszTimestamp3164[0] = '\0';
+ pM->pszTimestamp3339[0] = '\0';
+ pM->pszTIMESTAMP_SecFrac[0] = '\0';
+ pM->pszRcvdAt_SecFrac[0] = '\0';
/* DEV debugging only! dbgprintf("msgConstruct\t0x%x, ref 1\n", (int)pM);*/
@@ -508,6 +551,11 @@ static inline void freeTAG(msg_t *pThis)
if(pThis->iLenTAG >= CONF_TAG_BUFSIZE)
free(pThis->TAG.pszTAG);
}
+static inline void freeHOSTNAME(msg_t *pThis)
+{
+ if(pThis->iLenHOSTNAME >= CONF_HOSTNAME_BUFSIZE)
+ free(pThis->pszHOSTNAME);
+}
BEGINobjDestruct(msg) /* be sure to specify the object type also in END and CODESTART macros! */
@@ -526,7 +574,7 @@ CODESTARTobjDestruct(msg)
if(pThis->pszRawMsg != pThis->szRawMsg)
free(pThis->pszRawMsg);
freeTAG(pThis);
- free(pThis->pszHOSTNAME);
+ freeHOSTNAME(pThis);
free(pThis->pszInputName);
free(pThis->pszRcvFrom);
free(pThis->pszRcvFromIP);
@@ -626,7 +674,7 @@ msg_t* MsgDup(msg_t* pOld)
pNew->iProtocolVersion = pOld->iProtocolVersion;
pNew->ttGenTime = pOld->ttGenTime;
pNew->offMSG = pOld->offMSG;
- /* enable this, if someone actually uses UxTradMsg, delete after some time has
+ /* enable this, if someone actually uses UxTradMsg, delete after some time has
* passed and nobody complained -- rgerhards, 2009-06-16
pNew->offAfterPRI = pOld->offAfterPRI;
*/
@@ -641,8 +689,18 @@ msg_t* MsgDup(msg_t* pOld)
pNew->iLenTAG = pOld->iLenTAG;
}
}
- tmpCOPYSZ(RawMsg);
- tmpCOPYSZ(HOSTNAME);
+ if(pOld->iLenRawMsg < CONF_RAWMSG_BUFSIZE) {
+ memcpy(pNew->szRawMsg, pOld->szRawMsg, pOld->iLenRawMsg + 1);
+ pNew->pszRawMsg = pNew->szRawMsg;
+ } else {
+ tmpCOPYSZ(RawMsg);
+ }
+ if(pOld->iLenHOSTNAME < CONF_HOSTNAME_BUFSIZE) {
+ memcpy(pNew->szHOSTNAME, pOld->szHOSTNAME, pOld->iLenHOSTNAME + 1);
+ pNew->pszHOSTNAME = pNew->szHOSTNAME;
+ } else {
+ tmpCOPYSZ(HOSTNAME);
+ }
tmpCOPYSZ(RcvFrom);
tmpCOPYCSTR(ProgName);
@@ -843,30 +901,6 @@ finalize_it:
}
-/* This function moves the HOSTNAME inside the message object to the
- * TAG. It is a specialised function used to handle the condition when
- * a message without HOSTNAME is being processed. The missing HOSTNAME
- * is only detected at a later stage, during TAG processing, so that
- * we already had set the HOSTNAME property and now need to move it to
- * the TAG. Of course, we could do this via a couple of get/set methods,
- * but it is far more efficient to do it via this specialised method.
- * This is especially important as this can be a very common case, e.g.
- * when BSD syslog is acting as a sender.
- * rgerhards, 2005-11-10.
- * NOTE ********* 2009-06-18 / rgerhards *************
- * This function is being obsoleted by the new handling. I keep it for
- * a while, and for oversize tags it is somewhat less optimal than in previous
- * versions. This should only happen very seldom.
- */
-void moveHOSTNAMEtoTAG(msg_t *pM)
-{
- assert(pM != NULL);
- MsgSetTAG(pM, pM->pszHOSTNAME, pM->iLenHOSTNAME);
- free(pM->pszHOSTNAME);
- pM->pszHOSTNAME = NULL;
- pM->iLenHOSTNAME = 0;
-}
-
/* Access methods - dumb & easy, not a comment for each ;)
*/
void setProtocolVersion(msg_t *pM, int iNewVersion)
@@ -1396,7 +1430,7 @@ int getHOSTNAMELen(msg_t *pM)
return 0;
else
if(pM->pszHOSTNAME == NULL)
- return 0;
+ return pM->iLenRcvFrom;
else
return pM->iLenHOSTNAME;
}
@@ -1408,7 +1442,7 @@ char *getHOSTNAME(msg_t *pM)
return "";
else
if(pM->pszHOSTNAME == NULL)
- return "";
+ return (char*) pM->pszRcvFrom;
else
return (char*) pM->pszHOSTNAME;
}
@@ -1651,22 +1685,6 @@ finalize_it:
}
-/* Set the HOSTNAME to a caller-provided string. This is thought
- * to be a heap buffer that the caller will no longer use. This
- * function is a performance optimization over MsgSetHOSTNAME().
- * rgerhards 2004-11-19
- */
-void MsgAssignHOSTNAME(msg_t *pMsg, char *pBuf)
-{
- assert(pMsg != NULL);
- assert(pBuf != NULL);
- if(pMsg->pszHOSTNAME != NULL)
- free(pMsg->pszHOSTNAME);
- pMsg->iLenHOSTNAME = strlen(pBuf);
- pMsg->pszHOSTNAME = (uchar*) pBuf;
-}
-
-
/* rgerhards 2004-11-09: set HOSTNAME in msg object
* rgerhards, 2007-06-21:
* Does not return anything. If an error occurs, the hostname is
@@ -1677,51 +1695,97 @@ void MsgAssignHOSTNAME(msg_t *pMsg, char *pBuf)
* we need it. The rest of the code already knows how to handle an
* unset HOSTNAME.
*/
-void MsgSetHOSTNAME(msg_t *pMsg, uchar* pszHOSTNAME)
+void MsgSetHOSTNAME(msg_t *pThis, uchar* pszHOSTNAME, int lenHOSTNAME)
{
- assert(pMsg != NULL);
- free(pMsg->pszHOSTNAME);
+ assert(pThis != NULL);
- pMsg->iLenHOSTNAME = ustrlen(pszHOSTNAME);
- if((pMsg->pszHOSTNAME = malloc(pMsg->iLenHOSTNAME + 1)) != NULL)
- memcpy(pMsg->pszHOSTNAME, pszHOSTNAME, pMsg->iLenHOSTNAME + 1);
- else
- DBGPRINTF("Could not allocate memory in MsgSetHOSTNAME()\n");
+ freeHOSTNAME(pThis);
+
+ pThis->iLenHOSTNAME = lenHOSTNAME;
+ if(pThis->iLenHOSTNAME < CONF_HOSTNAME_BUFSIZE) {
+ /* small enough: use fixed buffer (faster!) */
+ pThis->pszHOSTNAME = pThis->szHOSTNAME;
+ } else if((pThis->pszHOSTNAME = (uchar*) malloc(pThis->iLenHOSTNAME + 1)) == NULL) {
+ /* truncate message, better than completely loosing it... */
+ pThis->pszHOSTNAME = pThis->szHOSTNAME;
+ pThis->iLenHOSTNAME = CONF_HOSTNAME_BUFSIZE - 1;
+ }
+
+ memcpy(pThis->pszHOSTNAME, pszHOSTNAME, pThis->iLenHOSTNAME);
+ pThis->pszHOSTNAME[pThis->iLenHOSTNAME] = '\0'; /* this also works with truncation! */
}
-/* rgerhards 2004-11-09: set MSG in msg object
+/* set the offset of the MSG part into the raw msg buffer
*/
void MsgSetMSGoffs(msg_t *pMsg, short offs)
{
- assert(pMsg != NULL);
-
- pMsg->iLenMSG = ustrlen(pMsg->pszRawMsg + offs);
+ ISOBJ_TYPE_assert(pMsg, msg);
+ pMsg->iLenMSG = pMsg->iLenRawMsg - offs;
pMsg->offMSG = offs;
}
+/* replace the MSG part of a message. The update actually takes place inside
+ * rawmsg.
+ * There are two cases: either the new message will be larger than the new msg
+ * or it will be less than or equal. If it is less than or equal, we can utilize
+ * the previous message buffer. If it is larger, we can utilize the msg_t-included
+ * message buffer if it fits in there. If this is not the case, we need to alloc
+ * a new, larger, chunk and copy over the data to it. Note that this function is
+ * (hopefully) relatively seldom being called, so some performance impact is
+ * uncritical. In any case, pszMSG is copied, so if it was dynamically allocated,
+ * the caller is responsible for freeing it.
+ * rgerhards, 2009-06-23
+ */
+rsRetVal MsgReplaceMSG(msg_t *pThis, uchar* pszMSG, int lenMSG)
+{
+ int lenNew;
+ uchar *bufNew;
+ DEFiRet;
+ ISOBJ_TYPE_assert(pThis, msg);
+ assert(pszMSG != NULL);
+
+ lenNew = pThis->iLenRawMsg + lenMSG - pThis->iLenMSG;
+ if(lenMSG > pThis->iLenMSG && lenNew >= CONF_RAWMSG_BUFSIZE) {
+ /* we have lost and need to alloc a new buffer ;) */
+ CHKmalloc(bufNew = malloc(lenNew + 1));
+ memcpy(bufNew, pThis->pszRawMsg, pThis->offMSG);
+ free(pThis->pszRawMsg);
+ pThis->pszRawMsg = bufNew;
+ }
+
+ memcpy(pThis->pszRawMsg + pThis->offMSG, pszMSG, lenMSG);
+ pThis->pszRawMsg[lenNew] = '\0'; /* this also works with truncation! */
+ pThis->iLenRawMsg = lenNew;
+ pThis->iLenMSG = lenMSG;
+
+finalize_it:
+ RETiRet;
+}
+
+
/* set raw message in message object. Size of message is provided.
* rgerhards, 2009-06-16
*/
-void MsgSetRawMsg(msg_t *pMsg, char* pszRawMsg, size_t lenMsg)
+void MsgSetRawMsg(msg_t *pThis, char* pszRawMsg, size_t lenMsg)
{
- assert(pMsg != NULL);
- if(pMsg->pszRawMsg != pMsg->szRawMsg)
- free(pMsg->pszRawMsg);
+ assert(pThis != NULL);
+ if(pThis->pszRawMsg != pThis->szRawMsg)
+ free(pThis->pszRawMsg);
- pMsg->iLenRawMsg = lenMsg;
- if(pMsg->iLenRawMsg < CONF_RAWMSG_BUFSIZE) {
+ pThis->iLenRawMsg = lenMsg;
+ if(pThis->iLenRawMsg < CONF_RAWMSG_BUFSIZE) {
/* small enough: use fixed buffer (faster!) */
- pMsg->pszRawMsg = pMsg->szRawMsg;
- } else if((pMsg->pszRawMsg = (uchar*) malloc(pMsg->iLenRawMsg + 1)) == NULL) {
+ pThis->pszRawMsg = pThis->szRawMsg;
+ } else if((pThis->pszRawMsg = (uchar*) malloc(pThis->iLenRawMsg + 1)) == NULL) {
/* truncate message, better than completely loosing it... */
- pMsg->pszRawMsg = pMsg->szRawMsg;
- pMsg->iLenRawMsg = CONF_RAWMSG_BUFSIZE - 1;
+ pThis->pszRawMsg = pThis->szRawMsg;
+ pThis->iLenRawMsg = CONF_RAWMSG_BUFSIZE - 1;
}
- memcpy(pMsg->pszRawMsg, pszRawMsg, pMsg->iLenRawMsg);
- pMsg->pszRawMsg[pMsg->iLenRawMsg] = '\0'; /* this also works with truncation! */
+ memcpy(pThis->pszRawMsg, pszRawMsg, pThis->iLenRawMsg);
+ pThis->pszRawMsg[pThis->iLenRawMsg] = '\0'; /* this also works with truncation! */
}
@@ -2638,7 +2702,7 @@ rsRetVal MsgSetProperty(msg_t *pThis, var_t *pProp)
} else if(isProp("pszRcvFrom")) {
MsgSetRcvFrom(pThis, rsCStrGetSzStrNoNULL(pProp->val.pStr));
} else if(isProp("pszHOSTNAME")) {
- MsgSetHOSTNAME(pThis, rsCStrGetSzStrNoNULL(pProp->val.pStr));
+ MsgSetHOSTNAME(pThis, rsCStrGetSzStrNoNULL(pProp->val.pStr), rsCStrLen(pProp->val.pStr));
} else if(isProp("pCSStrucData")) {
MsgSetStructuredData(pThis, (char*) rsCStrGetSzStrNoNULL(pProp->val.pStr));
} else if(isProp("pCSAPPNAME")) {