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| author | Rainer Gerhards <rgerhards@adiscon.com> | 2010-12-17 12:21:17 +0100 |
|---|---|---|
| committer | Rainer Gerhards <rgerhards@adiscon.com> | 2010-12-17 12:21:17 +0100 |
| commit | cc8237736d11b54a3d6089d836da7ccb6972a29c (patch) | |
| tree | 203af9ad8e4f640cc410f8f0606da16d6e116901 /plugins | |
| parent | 699d0d933ab64941d40df17c69b2c377231924cf (diff) | |
| download | rsyslog-cc8237736d11b54a3d6089d836da7ccb6972a29c.tar.gz rsyslog-cc8237736d11b54a3d6089d836da7ccb6972a29c.tar.xz rsyslog-cc8237736d11b54a3d6089d836da7ccb6972a29c.zip | |
added $IMUDPSchedulingPolicy and $IMUDPSchedulingPriority config settings
Diffstat (limited to 'plugins')
| -rw-r--r-- | plugins/imudp/imudp.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/plugins/imudp/imudp.c b/plugins/imudp/imudp.c index d76f3544..fea789ec 100644 --- a/plugins/imudp/imudp.c +++ b/plugins/imudp/imudp.c @@ -72,6 +72,8 @@ static uchar *pRcvBuf = NULL; /* receive buffer (for a single packet). We use a * termination if we can not get it. -- rgerhards, 2007-12-27 */ static prop_t *pInputName = NULL; /* our inputName currently is always "imudp", and this will hold it */ +static uchar *pszSchedPolicy = NULL; /**< scheduling policy (string) */ +static int iSchedPrio = -1; /**< scheduling priority (must not be negative) */ // TODO: static ruleset_t *pBindRuleset = NULL; /* ruleset to bind listener to (use system default if unspecified) */ #define TIME_REQUERY_DFLT 2 static int iTimeRequery = TIME_REQUERY_DFLT;/* how often is time to be queried inside tight recv loop? 0=always */ @@ -357,6 +359,7 @@ ENDrunInput /* initialize and return if will run or not */ BEGINwillRun + struct sched_param sparam; CODESTARTwillRun /* we need to create the inputName property (only once during our lifetime) */ CHKiRet(prop.Construct(&pInputName)); @@ -364,6 +367,41 @@ CODESTARTwillRun CHKiRet(prop.ConstructFinalize(pInputName)); net.PrintAllowedSenders(1); /* UDP */ + + if(pszSchedPolicy == NULL) { + if(iSchedPrio != -1) { + errmsg.LogError(errno, NO_ERRCODE, "imudp: scheduling policy not set, but " + "priority - ignoring settings"); + } + } else { + if(iSchedPrio == -1) { + errmsg.LogError(errno, NO_ERRCODE, "imudp: scheduling policy set, but no " + "priority - ignoring settings"); + } + sparam.sched_priority = iSchedPrio; + dbgprintf("imudp trying to set sched policy to '%s', prio %d\n", + pszSchedPolicy, iSchedPrio); + if(0) { /* trick to use conditional compilation */ +# ifdef SCHED_FIFO + } else if(!strcasecmp((char*)pszSchedPolicy, "fifo")) { + pthread_setschedparam(pthread_self(), SCHED_FIFO, &sparam); +# endif +# ifdef SCHED_RR + } else if(!strcasecmp((char*)pszSchedPolicy, "rr")) { + pthread_setschedparam(pthread_self(), SCHED_RR, &sparam); +# endif +# ifdef SCHED_OTHER + } else if(!strcasecmp((char*)pszSchedPolicy, "other")) { + pthread_setschedparam(pthread_self(), SCHED_OTHER, &sparam); +# endif + } else { + errmsg.LogError(errno, NO_ERRCODE, "imudp: invliad scheduling policy '%s' " + "ignoring settings", pszSchedPolicy); + } + free(pszSchedPolicy); + pszSchedPolicy = NULL; + } + /* if we could not set up any listners, there is no point in running... */ if(udpLstnSocks == NULL) @@ -445,6 +483,10 @@ CODEmodInit_QueryRegCFSLineHdlr addListner, NULL, STD_LOADABLE_MODULE_ID)); CHKiRet(omsdRegCFSLineHdlr((uchar *)"udpserveraddress", 0, eCmdHdlrGetWord, NULL, &pszBindAddr, STD_LOADABLE_MODULE_ID)); + CHKiRet(omsdRegCFSLineHdlr((uchar *)"imudpschedulingpolicy", 0, eCmdHdlrGetWord, + NULL, &pszSchedPolicy, STD_LOADABLE_MODULE_ID)); + CHKiRet(omsdRegCFSLineHdlr((uchar *)"imudpschedulingpriority", 0, eCmdHdlrInt, + NULL, &iSchedPrio, STD_LOADABLE_MODULE_ID)); CHKiRet(omsdRegCFSLineHdlr((uchar *)"udpservertimerequery", 0, eCmdHdlrInt, NULL, &iTimeRequery, STD_LOADABLE_MODULE_ID)); CHKiRet(omsdRegCFSLineHdlr((uchar *)"resetconfigvariables", 1, eCmdHdlrCustomHandler, |