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authorRainer Gerhards <rgerhards@adiscon.com>2009-06-17 13:33:57 +0200
committerRainer Gerhards <rgerhards@adiscon.com>2009-06-17 13:33:57 +0200
commit34b60b389e463e260f880ca3efc591b4db2cd18a (patch)
tree6e4d361da0b0006c1dc654f9d8789dd45ceff072 /runtime
parent56e462610db0dc71cfc2e4af17d1eb27bd67fae7 (diff)
downloadrsyslog-34b60b389e463e260f880ca3efc591b4db2cd18a.tar.gz
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some more optimization in msg object string handling
Diffstat (limited to 'runtime')
-rw-r--r--runtime/msg.c70
-rw-r--r--runtime/msg.h21
2 files changed, 35 insertions, 56 deletions
diff --git a/runtime/msg.c b/runtime/msg.c
index 8230a340..8e9d2b71 100644
--- a/runtime/msg.c
+++ b/runtime/msg.c
@@ -262,6 +262,13 @@ static char *syslog_fac_names[24] = { "kern", "user", "mail", "daemon", "auth",
/* table of severity names (in numerical order)*/
static char *syslog_severity_names[8] = { "emerg", "alert", "crit", "err", "warning", "notice", "info", "debug" };
+/* numerical values as string - this is the most efficient approach to convert severity
+ * and facility values to a numerical string... -- rgerhars, 2009-06-17
+ */
+
+static char *syslog_number_names[24] = { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13", "14",
+ "15", "16", "17", "18", "19", "20", "21", "22", "23" };
+
/* some forward declarations */
static int getAPPNAMELen(msg_t *pM);
static int getProtocolVersion(msg_t *pM);
@@ -510,15 +517,11 @@ CODESTARTobjDestruct(msg)
free(pThis->pszRcvFrom);
free(pThis->pszRcvFromIP);
free(pThis->pszMSG);
- free(pThis->pszFacility);
- free(pThis->pszSeverity);
free(pThis->pszRcvdAt3164);
free(pThis->pszRcvdAt3339);
free(pThis->pszRcvdAt_SecFrac);
free(pThis->pszRcvdAt_MySQL);
free(pThis->pszRcvdAt_PgSQL);
- free(pThis->pszTIMESTAMP3164);
- free(pThis->pszTIMESTAMP3339);
free(pThis->pszTIMESTAMP_SecFrac);
free(pThis->pszTIMESTAMP_MySQL);
free(pThis->pszTIMESTAMP_PgSQL);
@@ -598,8 +601,6 @@ msg_t* MsgDup(msg_t* pOld)
* passed and nobody complained -- rgerhards, 2009-06-16
pNew->offAfterPRI = pOld->offAfterPRI;
*/
- tmpCOPYSZ(Severity);
- tmpCOPYSZ(Facility);
tmpCOPYSZ(RawMsg);
tmpCOPYSZ(MSG);
tmpCOPYSZ(TAG);
@@ -916,12 +917,10 @@ static inline char *getTimeReported(msg_t *pM, enum tplFormatTypes eFmt)
switch(eFmt) {
case tplFmtDefault:
+ case tplFmtRFC3164Date:
MsgLock(pM);
if(pM->pszTIMESTAMP3164 == NULL) {
- if((pM->pszTIMESTAMP3164 = malloc(16)) == NULL) {
- MsgUnlock(pM);
- return "";
- }
+ pM->pszTIMESTAMP3164 = pM->pszTimestamp3164;
datetime.formatTimestamp3164(&pM->tTIMESTAMP, pM->pszTIMESTAMP3164, 16);
}
MsgUnlock(pM);
@@ -948,24 +947,10 @@ static inline char *getTimeReported(msg_t *pM, enum tplFormatTypes eFmt)
}
MsgUnlock(pM);
return(pM->pszTIMESTAMP_PgSQL);
- case tplFmtRFC3164Date:
- MsgLock(pM);
- if(pM->pszTIMESTAMP3164 == NULL) {
- if((pM->pszTIMESTAMP3164 = malloc(16)) == NULL) {
- MsgUnlock(pM);
- return "";
- }
- datetime.formatTimestamp3164(&pM->tTIMESTAMP, pM->pszTIMESTAMP3164, 16);
- }
- MsgUnlock(pM);
- return(pM->pszTIMESTAMP3164);
case tplFmtRFC3339Date:
MsgLock(pM);
if(pM->pszTIMESTAMP3339 == NULL) {
- if((pM->pszTIMESTAMP3339 = malloc(33)) == NULL) {
- MsgUnlock(pM);
- return ""; /* TODO: check this: can it cause a free() of constant memory?) */
- }
+ pM->pszTIMESTAMP3339 = pM->pszTimestamp3339;
datetime.formatTimestamp3339(&pM->tTIMESTAMP, pM->pszTIMESTAMP3339, 33);
}
MsgUnlock(pM);
@@ -1067,18 +1052,18 @@ static inline char *getTimeGenerated(msg_t *pM, enum tplFormatTypes eFmt)
static inline char *getSeverity(msg_t *pM)
{
+ char *name = NULL;
+
if(pM == NULL)
return "";
- MsgLock(pM);
- if(pM->pszSeverity == NULL) {
- /* we use a 2 byte buffer - can only be one digit */
- if((pM->pszSeverity = malloc(2)) == NULL) { MsgUnlock(pM) ; return ""; }
- pM->iLenSeverity =
- snprintf((char*)pM->pszSeverity, 2, "%d", pM->iSeverity);
+ if(pM->iSeverity < 0 || pM->iSeverity > 7) {
+ name = "invld";
+ } else {
+ name = syslog_number_names[pM->iSeverity];
}
- MsgUnlock(pM);
- return((char*)pM->pszSeverity);
+
+ return name;
}
@@ -1100,21 +1085,18 @@ static inline char *getSeverityStr(msg_t *pM)
static inline char *getFacility(msg_t *pM)
{
+ char *name = NULL;
+
if(pM == NULL)
return "";
- 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(pM) ; return ""; }
- pM->iLenFacility =
- snprintf((char*)pM->pszFacility, 12, "%d", pM->iFacility);
+ if(pM->iFacility < 0 || pM->iFacility > 23) {
+ name = "invld";
+ } else {
+ name = syslog_number_names[pM->iFacility];
}
- MsgUnlock(pM);
- return((char*)pM->pszFacility);
+
+ return name;
}
static inline char *getFacilityStr(msg_t *pM)
diff --git a/runtime/msg.h b/runtime/msg.h
index a3058349..703fdd9f 100644
--- a/runtime/msg.h
+++ b/runtime/msg.h
@@ -50,12 +50,12 @@
*/
struct msg {
BEGINobjInstance; /* Data to implement generic object - MUST be the first data element! */
+ flowControl_t flowCtlType; /**< type of flow control we can apply, for enqueueing, needs not to be persisted because
+ once data has entered the queue, this property is no longer needed. */
pthread_mutexattr_t mutAttr;
+ pthread_mutex_t mut;
bool bDoLock; /* use the mutex? */
bool bParseHOSTNAME; /* should the hostname be parsed from the message? */
- pthread_mutex_t mut;
- flowControl_t flowCtlType; /**< type of flow control we can apply, for enqueueing, needs not to be persisted because
- once data has entered the queue, this property is no longer needed. */
short iRefCount; /* reference counter (0 = unused) */
/* background: the hostname is not present on "regular" messages
* received via UNIX domain sockets from the same machine. However,
@@ -64,17 +64,11 @@ struct msg {
* resolve all these issues... rgerhards, 2005-10-06
*/
short iSeverity; /* the severity 0..7 */
- uchar *pszSeverity; /* severity as string... */
- int iLenSeverity; /* ... and its length. */
short iFacility; /* Facility code 0 .. 23*/
- uchar *pszFacility; /* Facility as string... */
- int iLenFacility; /* ... and its length. */
- uchar *pszRawMsg; /* message as it was received on the
- * wire. This is important in case we
- * need to preserve cryptographic verifiers.
- */
- short offAfterPRI; /* offset, at which raw message WITHOUT PRI part starts in pszRawMsg */
+ uchar *pszRawMsg; /* message as it was received on the wire. This is important in case we
+ * need to preserve cryptographic verifiers. */
int iLenRawMsg; /* length of raw message */
+ short offAfterPRI; /* offset, at which raw message WITHOUT PRI part starts in pszRawMsg */
uchar *pszMSG; /* the MSG part itself */
int iLenMSG; /* Length of the MSG part */
uchar *pszTAG; /* pointer to tag value */
@@ -114,6 +108,9 @@ struct msg {
char *pszTIMESTAMP_SecFrac;/* TIMESTAMP fractional seconds (always 6 characters) */
int msgFlags; /* flags associated with this message */
ruleset_t *pRuleset; /* ruleset to be used for processing this message */
+ /* some fixed-size buffers to save malloc()/free() for frequently used fields (from the default templates) */
+ char pszTimestamp3164[16];
+ char pszTimestamp3339[33];
};