lib/isc/log.c

50 #define VALID_CONFIG(lcfg)	ISC_MAGIC_VALID(lcfg, LCFG_MAGIC)
228 assignchannel(isc_logconfig_t *lcfg, unsigned int category_id,
232 sync_channellist(isc_logconfig_t *lcfg);
270 	isc_logconfig_t *lcfg = NULL;
305 		result = isc_logconfig_create(lctx, &lcfg);
311 		result = sync_channellist(lcfg);
314 		lctx->logconfig = lcfg;
318 			*lcfgp = lcfg;
321 		if (lcfg != NULL)
322 			isc_logconfig_destroy(&lcfg);
332 	isc_logconfig_t *lcfg;
340 	lcfg = isc_mem_get(lctx->mctx, sizeof(*lcfg));
342 	if (lcfg != NULL) {
343 		lcfg->lctx = lctx;
344 		lcfg->channellists = NULL;
345 		lcfg->channellist_count = 0;
346 		lcfg->duplicate_interval = 0;
347 		lcfg->highest_level = level;
348 		lcfg->tag = NULL;
349 		lcfg->dynamic = ISC_FALSE;
351 		ISC_LIST_INIT(lcfg->channels);
356 		 * config.  If the channel creation fails, the lcfg is not
359 		lcfg->magic = LCFG_MAGIC;
370 		result = isc_log_createchannel(lcfg, "default_syslog",
380 		result = isc_log_createchannel(lcfg, "default_stderr",
393 		default_channel.channel = ISC_LIST_HEAD(lcfg->channels);
399 		result = isc_log_createchannel(lcfg, "default_debug",
407 		result = isc_log_createchannel(lcfg, "null",
413 		*lcfgp = lcfg;
416 		if (lcfg != NULL)
417 			isc_logconfig_destroy(&lcfg);
432 isc_logconfig_use(isc_log_t *lctx, isc_logconfig_t *lcfg) {
437 	REQUIRE(VALID_CONFIG(lcfg));
438 	REQUIRE(lcfg->lctx == lctx);
441 	 * Ensure that lcfg->channellist_count == lctx->category_count.
445 	result = sync_channellist(lcfg);
452 	lctx->logconfig = lcfg;
464 	isc_logconfig_t *lcfg;
474 		lcfg = lctx->logconfig;
476 		isc_logconfig_destroy(&lcfg);
504 	isc_logconfig_t *lcfg;
513 	lcfg = *lcfgp;
519 	REQUIRE(lcfg->lctx != NULL && lcfg->lctx->logconfig != lcfg);
521 	mctx = lcfg->lctx->mctx;
523 	while ((channel = ISC_LIST_HEAD(lcfg->channels)) != NULL) {
524 		ISC_LIST_UNLINK(lcfg->channels, channel, link);
544 	for (i = 0; i < lcfg->channellist_count; i++)
545 		while ((item = ISC_LIST_HEAD(lcfg->channellists[i])) != NULL) {
546 			ISC_LIST_UNLINK(lcfg->channellists[i], item, link);
550 	if (lcfg->channellist_count > 0)
551 		isc_mem_put(mctx, lcfg->channellists,
552 			    lcfg->channellist_count *
555 	lcfg->dynamic = ISC_FALSE;
556 	if (lcfg->tag != NULL)
557 		isc_mem_free(lcfg->lctx->mctx, lcfg->tag);
558 	lcfg->tag = NULL;
559 	lcfg->highest_level = 0;
560 	lcfg->duplicate_interval = 0;
561 	lcfg->magic = 0;
563 	isc_mem_put(mctx, lcfg, sizeof(*lcfg));
703 isc_log_createchannel(isc_logconfig_t *lcfg, const char *name,
711 	REQUIRE(VALID_CONFIG(lcfg));
722 	mctx = lcfg->lctx->mctx;
775 	ISC_LIST_PREPEND(lcfg->channels, channel, link);
788 isc_log_usechannel(isc_logconfig_t *lcfg, const char *name,
797 	REQUIRE(VALID_CONFIG(lcfg));
800 	lctx = lcfg->lctx;
805 	for (channel = ISC_LIST_HEAD(lcfg->channels); channel != NULL;
814 		result = assignchannel(lcfg, category->id, module, channel);
822 			result = assignchannel(lcfg, i, module, channel);
986 isc_log_setduplicateinterval(isc_logconfig_t *lcfg, unsigned int interval) {
987 	REQUIRE(VALID_CONFIG(lcfg));
989 	lcfg->duplicate_interval = interval;
993 isc_log_getduplicateinterval(isc_logconfig_t *lcfg) {
994 	REQUIRE(VALID_CONTEXT(lcfg));
996 	return (lcfg->duplicate_interval);
1000 isc_log_settag(isc_logconfig_t *lcfg, const char *tag) {
1001 	REQUIRE(VALID_CONFIG(lcfg));
1004 		if (lcfg->tag != NULL)
1005 			isc_mem_free(lcfg->lctx->mctx, lcfg->tag);
1006 		lcfg->tag = isc_mem_strdup(lcfg->lctx->mctx, tag);
1007 		if (lcfg->tag == NULL)
1011 		if (lcfg->tag != NULL)
1012 			isc_mem_free(lcfg->lctx->mctx, lcfg->tag);
1013 		lcfg->tag = NULL;
1020 isc_log_gettag(isc_logconfig_t *lcfg) {
1021 	REQUIRE(VALID_CONFIG(lcfg));
1023 	return (lcfg->tag);
1056 assignchannel(isc_logconfig_t *lcfg, unsigned int category_id,
1063 	REQUIRE(VALID_CONFIG(lcfg));
1065 	lctx = lcfg->lctx;
1072 	 * Ensure lcfg->channellist_count == lctx->category_count.
1074 	result = sync_channellist(lcfg);
1084 	ISC_LIST_INITANDPREPEND(lcfg->channellists[category_id],
1093 		if (lcfg->highest_level < channel->level)
1094 			lcfg->highest_level = channel->level;
1096 			lcfg->dynamic = ISC_TRUE;
1107 sync_channellist(isc_logconfig_t *lcfg) {
1112 	REQUIRE(VALID_CONFIG(lcfg));
1114 	lctx = lcfg->lctx;
1118 	if (lctx->category_count == lcfg->channellist_count)
1130 	if (lcfg->channellist_count != 0) {
1131 		bytes = lcfg->channellist_count *
1133 		memcpy(lists, lcfg->channellists, bytes);
1134 		isc_mem_put(lctx->mctx, lcfg->channellists, bytes);
1137 	lcfg->channellists = lists;
1138 	lcfg->channellist_count = lctx->category_count;
1419 	isc_logconfig_t *lcfg;
1456 	lcfg = lctx->logconfig;
1458 	category_channels = ISC_LIST_HEAD(lcfg->channellists[category->id]);
1473 		    category_channels != ISC_LIST_HEAD(lcfg->channellists[0]))
1479 				ISC_LIST_HEAD(lcfg->channellists[0]);
1555 						 lcfg->duplicate_interval, 0);
1648 				       != 0 && lcfg->tag != NULL);
1704 				printtag      ? lcfg->tag	: "",
1747 			       printtag      ? lcfg->tag	: "",