lib/isc/log.c

52 #define VALID_CONFIG(lcfg)	ISC_MAGIC_VALID(lcfg, LCFG_MAGIC)
230 assignchannel(isc_logconfig_t *lcfg, unsigned int category_id,
234 sync_channellist(isc_logconfig_t *lcfg);
272 	isc_logconfig_t *lcfg = NULL;
307 		result = isc_logconfig_create(lctx, &lcfg);
313 		result = sync_channellist(lcfg);
316 		lctx->logconfig = lcfg;
320 			*lcfgp = lcfg;
323 		if (lcfg != NULL)
324 			isc_logconfig_destroy(&lcfg);
334 	isc_logconfig_t *lcfg;
342 	lcfg = isc_mem_get(lctx->mctx, sizeof(*lcfg));
344 	if (lcfg != NULL) {
345 		lcfg->lctx = lctx;
346 		lcfg->channellists = NULL;
347 		lcfg->channellist_count = 0;
348 		lcfg->duplicate_interval = 0;
349 		lcfg->highest_level = level;
350 		lcfg->tag = NULL;
351 		lcfg->dynamic = ISC_FALSE;
353 		ISC_LIST_INIT(lcfg->channels);
358 		 * config.  If the channel creation fails, the lcfg is not
361 		lcfg->magic = LCFG_MAGIC;
372 		result = isc_log_createchannel(lcfg, "default_syslog",
382 		result = isc_log_createchannel(lcfg, "default_stderr",
395 		default_channel.channel = ISC_LIST_HEAD(lcfg->channels);
401 		result = isc_log_createchannel(lcfg, "default_debug",
409 		result = isc_log_createchannel(lcfg, "null",
415 		*lcfgp = lcfg;
418 		if (lcfg != NULL)
419 			isc_logconfig_destroy(&lcfg);
434 isc_logconfig_use(isc_log_t *lctx, isc_logconfig_t *lcfg) {
439 	REQUIRE(VALID_CONFIG(lcfg));
440 	REQUIRE(lcfg->lctx == lctx);
443 	 * Ensure that lcfg->channellist_count == lctx->category_count.
447 	result = sync_channellist(lcfg);
454 	lctx->logconfig = lcfg;
466 	isc_logconfig_t *lcfg;
476 		lcfg = lctx->logconfig;
478 		isc_logconfig_destroy(&lcfg);
506 	isc_logconfig_t *lcfg;
515 	lcfg = *lcfgp;
521 	REQUIRE(lcfg->lctx != NULL && lcfg->lctx->logconfig != lcfg);
523 	mctx = lcfg->lctx->mctx;
525 	while ((channel = ISC_LIST_HEAD(lcfg->channels)) != NULL) {
526 		ISC_LIST_UNLINK(lcfg->channels, channel, link);
546 	for (i = 0; i < lcfg->channellist_count; i++)
547 		while ((item = ISC_LIST_HEAD(lcfg->channellists[i])) != NULL) {
548 			ISC_LIST_UNLINK(lcfg->channellists[i], item, link);
552 	if (lcfg->channellist_count > 0)
553 		isc_mem_put(mctx, lcfg->channellists,
554 			    lcfg->channellist_count *
557 	lcfg->dynamic = ISC_FALSE;
558 	if (lcfg->tag != NULL)
559 		isc_mem_free(lcfg->lctx->mctx, lcfg->tag);
560 	lcfg->tag = NULL;
561 	lcfg->highest_level = 0;
562 	lcfg->duplicate_interval = 0;
563 	lcfg->magic = 0;
565 	isc_mem_put(mctx, lcfg, sizeof(*lcfg));
705 isc_log_createchannel(isc_logconfig_t *lcfg, const char *name,
713 	REQUIRE(VALID_CONFIG(lcfg));
724 	mctx = lcfg->lctx->mctx;
777 	ISC_LIST_PREPEND(lcfg->channels, channel, link);
790 isc_log_usechannel(isc_logconfig_t *lcfg, const char *name,
799 	REQUIRE(VALID_CONFIG(lcfg));
802 	lctx = lcfg->lctx;
807 	for (channel = ISC_LIST_HEAD(lcfg->channels); channel != NULL;
816 		result = assignchannel(lcfg, category->id, module, channel);
824 			result = assignchannel(lcfg, i, module, channel);
988 isc_log_setduplicateinterval(isc_logconfig_t *lcfg, unsigned int interval) {
989 	REQUIRE(VALID_CONFIG(lcfg));
991 	lcfg->duplicate_interval = interval;
995 isc_log_getduplicateinterval(isc_logconfig_t *lcfg) {
996 	REQUIRE(VALID_CONTEXT(lcfg));
998 	return (lcfg->duplicate_interval);
1002 isc_log_settag(isc_logconfig_t *lcfg, const char *tag) {
1003 	REQUIRE(VALID_CONFIG(lcfg));
1006 		if (lcfg->tag != NULL)
1007 			isc_mem_free(lcfg->lctx->mctx, lcfg->tag);
1008 		lcfg->tag = isc_mem_strdup(lcfg->lctx->mctx, tag);
1009 		if (lcfg->tag == NULL)
1013 		if (lcfg->tag != NULL)
1014 			isc_mem_free(lcfg->lctx->mctx, lcfg->tag);
1015 		lcfg->tag = NULL;
1022 isc_log_gettag(isc_logconfig_t *lcfg) {
1023 	REQUIRE(VALID_CONFIG(lcfg));
1025 	return (lcfg->tag);
1058 assignchannel(isc_logconfig_t *lcfg, unsigned int category_id,
1065 	REQUIRE(VALID_CONFIG(lcfg));
1067 	lctx = lcfg->lctx;
1074 	 * Ensure lcfg->channellist_count == lctx->category_count.
1076 	result = sync_channellist(lcfg);
1086 	ISC_LIST_INITANDPREPEND(lcfg->channellists[category_id],
1095 		if (lcfg->highest_level < channel->level)
1096 			lcfg->highest_level = channel->level;
1098 			lcfg->dynamic = ISC_TRUE;
1109 sync_channellist(isc_logconfig_t *lcfg) {
1114 	REQUIRE(VALID_CONFIG(lcfg));
1116 	lctx = lcfg->lctx;
1120 	if (lctx->category_count == lcfg->channellist_count)
1132 	if (lcfg->channellist_count != 0) {
1133 		bytes = lcfg->channellist_count *
1135 		memcpy(lists, lcfg->channellists, bytes);
1136 		isc_mem_put(lctx->mctx, lcfg->channellists, bytes);
1139 	lcfg->channellists = lists;
1140 	lcfg->channellist_count = lctx->category_count;
1421 	isc_logconfig_t *lcfg;
1458 	lcfg = lctx->logconfig;
1460 	category_channels = ISC_LIST_HEAD(lcfg->channellists[category->id]);
1475 		    category_channels != ISC_LIST_HEAD(lcfg->channellists[0]))
1481 				ISC_LIST_HEAD(lcfg->channellists[0]);
1557 						 lcfg->duplicate_interval, 0);
1650 				       != 0 && lcfg->tag != NULL);
1706 				printtag      ? lcfg->tag	: "",
1749 			       printtag      ? lcfg->tag	: "",