diff options
Diffstat (limited to 'runtime/msg.c')
| -rw-r--r-- | runtime/msg.c | 69 |
1 files changed, 67 insertions, 2 deletions
diff --git a/runtime/msg.c b/runtime/msg.c index 5fad8ea5..6725203c 100644 --- a/runtime/msg.c +++ b/runtime/msg.c @@ -43,6 +43,7 @@ #if HAVE_MALLOC_H # include <malloc.h> #endif +#include <uuid/uuid.h> #include "rsyslog.h" #include "srUtils.h" #include "stringbuf.h" @@ -541,6 +542,8 @@ propNameStrToID(uchar *pName, propid_t *pPropID) *pPropID = PROP_MSGID; } else if(!strcmp((char*) pName, "parsesuccess")) { *pPropID = PROP_PARSESUCCESS; + } else if(!strcmp((char*) pName, "uuid")) { + *pPropID = PROP_UUID; /* here start system properties (those, that do not relate to the message itself */ } else if(!strcmp((char*) pName, "$now")) { *pPropID = PROP_SYS_NOW; @@ -666,6 +669,8 @@ uchar *propIDToName(propid_t propID) return UCHAR_CONSTANT("$!all-json"); case PROP_SYS_BOM: return UCHAR_CONSTANT("$BOM"); + case PROP_UUID: + return UCHAR_CONSTANT("uuid"); default: return UCHAR_CONSTANT("*invalid property id*"); } @@ -745,6 +750,7 @@ static inline rsRetVal msgBaseConstruct(msg_t **ppThis) pM->pszRcvdAt_SecFrac[0] = '\0'; pM->pszTIMESTAMP_Unix[0] = '\0'; pM->pszRcvdAt_Unix[0] = '\0'; + pM->pszUUID = NULL; /* DEV debugging only! dbgprintf("msgConstruct\t0x%x, ref 1\n", (int)pM);*/ @@ -875,6 +881,8 @@ CODESTARTobjDestruct(msg) rsCStrDestruct(&pThis->pCSMSGID); if(pThis->event != NULL) ee_deleteEvent(pThis->event); + if(pThis->pszUUID != NULL) + free(pThis->pszUUID); # ifndef HAVE_ATOMIC_BUILTINS MsgUnlock(pThis); # endif @@ -1080,6 +1088,8 @@ static rsRetVal MsgSerialize(msg_t *pThis, strm_t *pStrm) objSerializePTR(pStrm, pCSPROCID, CSTR); objSerializePTR(pStrm, pCSMSGID, CSTR); + objSerializePTR(pStrm, pszUUID, PSZ); + if(pThis->pRuleset != NULL) { rulesetGetName(pThis->pRuleset); CHKiRet(obj.SerializeProp(pStrm, UCHAR_CONSTANT("pszRuleset"), PROPTYPE_PSZ, @@ -1242,6 +1252,60 @@ char *getProtocolVersionString(msg_t *pM) return(pM->iProtocolVersion ? "1" : "0"); } +/* note: libuuid seems not to be thread-safe, so we need + * to get some safeguards in place. + */ +static void msgSetUUID(msg_t *pM) +{ + size_t lenRes = sizeof(uuid_t) * 2 + 1; + char hex_char [] = "0123456789ABCDEF"; + unsigned int byte_nbr; + uuid_t uuid; + static pthread_mutex_t mutUUID = PTHREAD_MUTEX_INITIALIZER; + + dbgprintf("[MsgSetUUID] START\n"); + assert(pM != NULL); + + if((pM->pszUUID = (uchar*) MALLOC(lenRes)) == NULL) { + pM->pszUUID = (uchar *)""; + } else { + pthread_mutex_lock(&mutUUID); + uuid_generate(uuid); + pthread_mutex_unlock(&mutUUID); + for (byte_nbr = 0; byte_nbr < sizeof (uuid_t); byte_nbr++) { + pM->pszUUID[byte_nbr * 2 + 0] = hex_char[uuid [byte_nbr] >> 4]; + pM->pszUUID[byte_nbr * 2 + 1] = hex_char[uuid [byte_nbr] & 15]; + } + + dbgprintf("[MsgSetUUID] UUID : %s LEN: %d \n", pM->pszUUID, (int)lenRes); + pM->pszUUID[lenRes] = '\0'; + } + dbgprintf("[MsgSetUUID] END\n"); +} + +void getUUID(msg_t *pM, uchar **pBuf, int *piLen) +{ + dbgprintf("[getUUID] START\n"); + if(pM == NULL) { + dbgprintf("[getUUID] pM is NULL\n"); + *pBuf= UCHAR_CONSTANT(""); + *piLen = 0; + } else { + if(pM->pszUUID == NULL) { + dbgprintf("[getUUID] pM->pszUUID is NULL\n"); + MsgLock(pM); + /* re-query, things may have changed in the mean time... */ + if(pM->pszUUID == NULL) + msgSetUUID(pM); + MsgUnlock(pM); + } else { /* UUID already there we reuse it */ + dbgprintf("[getUUID] pM->pszUUID already exists\n"); + } + *pBuf = pM->pszUUID; + *piLen = sizeof(uuid_t) * 2; + } + dbgprintf("[getUUID] END\n"); +} void getRawMsg(msg_t *pM, uchar **pBuf, int *piLen) @@ -1908,7 +1972,6 @@ static inline char *getStructuredData(msg_t *pM) return (char*) pszRet; } - /* check if we have a ProgramName, and, if not, try to aquire/emulate it. * rgerhards, 2009-06-26 */ @@ -2232,7 +2295,6 @@ finalize_it: RETiRet; } - /* set raw message in message object. Size of message is provided. * The function makes sure that the stored rawmsg is properly * terminated by '\0'. @@ -2676,6 +2738,9 @@ uchar *MsgGetProp(msg_t *pMsg, struct templateEntry *pTpe, case PROP_MSGID: pRes = (uchar*)getMSGID(pMsg); break; + case PROP_UUID: + getUUID(pMsg, &pRes, &bufLen); + break; case PROP_PARSESUCCESS: pRes = (uchar*)getParseSuccess(pMsg); break; |