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aes.h	1015 B	-rw-r--r--
align.h	569 B	-rw-r--r--
app.h	6.97 KB	-rw-r--r--
assertions.h	2.17 KB	-rw-r--r--
astack.h	1.11 KB	-rw-r--r--
atomic.h	3.01 KB	-rw-r--r--
backtrace.h	3.8 KB	-rw-r--r--
barrier.h	1.03 KB	-rw-r--r--
base32.h	4.35 KB	-rw-r--r--
base64.h	2.8 KB	-rw-r--r--
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buffer.h	29.91 KB	-rw-r--r--
bufferlist.h	1.42 KB	-rw-r--r--
cmocka.h	1.35 KB	-rw-r--r--
commandline.h	1.67 KB	-rw-r--r--
condition.h	1.87 KB	-rw-r--r--
counter.h	1.88 KB	-rw-r--r--
crc64.h	998 B	-rw-r--r--
deprecated.h	662 B	-rw-r--r--
dir.h	1.51 KB	-rw-r--r--
endian.h	4.75 KB	-rw-r--r--
errno.h	659 B	-rw-r--r--
errno2result.h	901 B	-rw-r--r--
error.h	1.4 KB	-rw-r--r--
event.h	3.36 KB	-rw-r--r--
eventclass.h	1.41 KB	-rw-r--r--
file.h	11.4 KB	-rw-r--r--
formatcheck.h	940 B	-rw-r--r--
fsaccess.h	7.28 KB	-rw-r--r--
fuzz.h	593 B	-rw-r--r--
hash.h	1.61 KB	-rw-r--r--
heap.h	5.14 KB	-rw-r--r--
hex.h	2.74 KB	-rw-r--r--
hmac.h	3.88 KB	-rw-r--r--
hp.h	4.48 KB	-rw-r--r--
ht.h	4.38 KB	-rw-r--r--
httpd.h	2.24 KB	-rw-r--r--
interfaceiter.h	3.07 KB	-rw-r--r--
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lang.h	686 B	-rw-r--r--
lex.h	9.77 KB	-rw-r--r--
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lib.h	1.13 KB	-rw-r--r--
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log.h	25.88 KB	-rw-r--r--
magic.h	999 B	-rw-r--r--
managers.h	776 B	-rw-r--r--
md.h	5.63 KB	-rw-r--r--
mem.h	17.66 KB	-rw-r--r--
meminfo.h	710 B	-rw-r--r--
mutex.h	4.08 KB	-rw-r--r--
mutexatomic.h	9.56 KB	-rw-r--r--
mutexblock.h	1.13 KB	-rw-r--r--
net.h	8.36 KB	-rw-r--r--
netaddr.h	4.67 KB	-rw-r--r--
netdb.h	860 B	-rw-r--r--
netmgr.h	15.36 KB	-rw-r--r--
netscope.h	966 B	-rw-r--r--
nonce.h	743 B	-rw-r--r--
offset.h	687 B	-rw-r--r--
once.h	767 B	-rw-r--r--
os.h	765 B	-rw-r--r--
parseint.h	1.5 KB	-rw-r--r--
platform.h	1.82 KB	-rw-r--r--
pool.h	3.41 KB	-rw-r--r--
portset.h	3.22 KB	-rw-r--r--
print.h	680 B	-rw-r--r--
queue.h	1.31 KB	-rw-r--r--
quota.h	3.48 KB	-rw-r--r--
radix.h	6.85 KB	-rw-r--r--
random.h	1.45 KB	-rw-r--r--
ratelimiter.h	3.41 KB	-rw-r--r--
refcount.h	4.98 KB	-rw-r--r--
regex.h	767 B	-rw-r--r--
region.h	2.18 KB	-rw-r--r--
resource.h	2.79 KB	-rw-r--r--
result.h	5.45 KB	-rw-r--r--
resultclass.h	1.56 KB	-rw-r--r--
rwlock.h	2.48 KB	-rw-r--r--
safe.h	1.12 KB	-rw-r--r--
serial.h	1.33 KB	-rw-r--r--
siphash.h	916 B	-rw-r--r--
sockaddr.h	6.13 KB	-rw-r--r--
socket.h	23.55 KB	-rw-r--r--
stat.h	803 B	-rw-r--r--
stats.h	6.53 KB	-rw-r--r--
stdatomic.h	8.9 KB	-rw-r--r--
stdio.h	1.69 KB	-rw-r--r--
stdtime.h	1.36 KB	-rw-r--r--
strerr.h	575 B	-rw-r--r--
string.h	851 B	-rw-r--r--
symtab.h	4.22 KB	-rw-r--r--
syslog.h	843 B	-rw-r--r--
task.h	16.72 KB	-rw-r--r--
taskpool.h	3.2 KB	-rw-r--r--
thread.h	1.86 KB	-rw-r--r--
time.h	10.85 KB	-rw-r--r--
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tm.h	894 B	-rw-r--r--
types.h	5.72 KB	-rw-r--r--
url.h	2.62 KB	-rw-r--r--
utf8.h	928 B	-rw-r--r--
util.h	13.96 KB	-rw-r--r--
version.h	499 B	-rw-r--r--

Code Editor : stats.h

/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef ISC_STATS_H
#define ISC_STATS_H 1

/*! \file isc/stats.h */

#include <inttypes.h>

#include <isc/types.h>

/*%
 * Statistics counters.  Used as isc_statscounter_t values.
 */
enum {
	/*%
	 * Socket statistics counters.
	 */
	isc_sockstatscounter_udp4open = 0,
	isc_sockstatscounter_udp6open = 1,
	isc_sockstatscounter_tcp4open = 2,
	isc_sockstatscounter_tcp6open = 3,
	isc_sockstatscounter_unixopen = 4,

isc_sockstatscounter_udp4openfail = 5,
	isc_sockstatscounter_udp6openfail = 6,
	isc_sockstatscounter_tcp4openfail = 7,
	isc_sockstatscounter_tcp6openfail = 8,
	isc_sockstatscounter_unixopenfail = 9,

isc_sockstatscounter_udp4close = 10,
	isc_sockstatscounter_udp6close = 11,
	isc_sockstatscounter_tcp4close = 12,
	isc_sockstatscounter_tcp6close = 13,
	isc_sockstatscounter_unixclose = 14,
	isc_sockstatscounter_fdwatchclose = 15,

isc_sockstatscounter_udp4bindfail = 16,
	isc_sockstatscounter_udp6bindfail = 17,
	isc_sockstatscounter_tcp4bindfail = 18,
	isc_sockstatscounter_tcp6bindfail = 19,
	isc_sockstatscounter_unixbindfail = 20,
	isc_sockstatscounter_fdwatchbindfail = 21,

isc_sockstatscounter_udp4connect = 22,
	isc_sockstatscounter_udp6connect = 23,
	isc_sockstatscounter_tcp4connect = 24,
	isc_sockstatscounter_tcp6connect = 25,
	isc_sockstatscounter_unixconnect = 26,
	isc_sockstatscounter_fdwatchconnect = 27,

isc_sockstatscounter_udp4connectfail = 28,
	isc_sockstatscounter_udp6connectfail = 29,
	isc_sockstatscounter_tcp4connectfail = 30,
	isc_sockstatscounter_tcp6connectfail = 31,
	isc_sockstatscounter_unixconnectfail = 32,
	isc_sockstatscounter_fdwatchconnectfail = 33,

isc_sockstatscounter_tcp4accept = 34,
	isc_sockstatscounter_tcp6accept = 35,
	isc_sockstatscounter_unixaccept = 36,

isc_sockstatscounter_tcp4acceptfail = 37,
	isc_sockstatscounter_tcp6acceptfail = 38,
	isc_sockstatscounter_unixacceptfail = 39,

isc_sockstatscounter_udp4sendfail = 40,
	isc_sockstatscounter_udp6sendfail = 41,
	isc_sockstatscounter_tcp4sendfail = 42,
	isc_sockstatscounter_tcp6sendfail = 43,
	isc_sockstatscounter_unixsendfail = 44,
	isc_sockstatscounter_fdwatchsendfail = 45,

isc_sockstatscounter_udp4recvfail = 46,
	isc_sockstatscounter_udp6recvfail = 47,
	isc_sockstatscounter_tcp4recvfail = 48,
	isc_sockstatscounter_tcp6recvfail = 49,
	isc_sockstatscounter_unixrecvfail = 50,
	isc_sockstatscounter_fdwatchrecvfail = 51,

isc_sockstatscounter_udp4active = 52,
	isc_sockstatscounter_udp6active = 53,
	isc_sockstatscounter_tcp4active = 54,
	isc_sockstatscounter_tcp6active = 55,
	isc_sockstatscounter_unixactive = 56,

isc_sockstatscounter_rawopen = 57,
	isc_sockstatscounter_rawopenfail = 58,
	isc_sockstatscounter_rawclose = 59,
	isc_sockstatscounter_rawrecvfail = 60,
	isc_sockstatscounter_rawactive = 61,

isc_sockstatscounter_max = 62
};

ISC_LANG_BEGINDECLS

/*%<
 * Flag(s) for isc_stats_dump().
 */
#define ISC_STATSDUMP_VERBOSE 0x00000001 /*%< dump 0-value counters */

/*%<
 * Dump callback type.
 */
typedef void (*isc_stats_dumper_t)(isc_statscounter_t, uint64_t, void *);

isc_result_t
isc_stats_create(isc_mem_t *mctx, isc_stats_t **statsp, int ncounters);
/*%<
 * Create a statistics counter structure of general type.  It counts a general
 * set of counters indexed by an ID between 0 and ncounters -1.
 *
 * Requires:
 *\li	'mctx' must be a valid memory context.
 *
 *\li	'statsp' != NULL && '*statsp' == NULL.
 *
 * Returns:
 *\li	ISC_R_SUCCESS	-- all ok
 *
 *\li	anything else	-- failure
 */

void
isc_stats_attach(isc_stats_t *stats, isc_stats_t **statsp);
/*%<
 * Attach to a statistics set.
 *
 * Requires:
 *\li	'stats' is a valid isc_stats_t.
 *
 *\li	'statsp' != NULL && '*statsp' == NULL
 */

void
isc_stats_detach(isc_stats_t **statsp);
/*%<
 * Detaches from the statistics set.
 *
 * Requires:
 *\li	'statsp' != NULL and '*statsp' is a valid isc_stats_t.
 */

int
isc_stats_ncounters(isc_stats_t *stats);
/*%<
 * Returns the number of counters contained in stats.
 *
 * Requires:
 *\li	'stats' is a valid isc_stats_t.
 *
 */

void
isc_stats_increment(isc_stats_t *stats, isc_statscounter_t counter);
/*%<
 * Increment the counter-th counter of stats.
 *
 * Requires:
 *\li	'stats' is a valid isc_stats_t.
 *
 *\li	counter is less than the maximum available ID for the stats specified
 *	on creation.
 */

void
isc_stats_decrement(isc_stats_t *stats, isc_statscounter_t counter);
/*%<
 * Decrement the counter-th counter of stats.
 *
 * Requires:
 *\li	'stats' is a valid isc_stats_t.
 */

void
isc_stats_dump(isc_stats_t *stats, isc_stats_dumper_t dump_fn, void *arg,
	       unsigned int options);
/*%<
 * Dump the current statistics counters in a specified way.  For each counter
 * in stats, dump_fn is called with its current value and the given argument
 * arg.  By default counters that have a value of 0 is skipped; if options has
 * the ISC_STATSDUMP_VERBOSE flag, even such counters are dumped.
 *
 * Requires:
 *\li	'stats' is a valid isc_stats_t.
 */

void
isc_stats_set(isc_stats_t *stats, uint64_t val, isc_statscounter_t counter);
/*%<
 * Set the given counter to the specified value.
 *
 * Requires:
 *\li	'stats' is a valid isc_stats_t.
 */

void
isc_stats_update_if_greater(isc_stats_t *stats, isc_statscounter_t counter,
			    isc_statscounter_t value);
/*%<
 * Atomically assigns 'value' to 'counter' if value > counter.
 *
 * Requires:
 *\li	'stats' is a valid isc_stats_t.
 *
 *\li	counter is less than the maximum available ID for the stats specified
 *	on creation.
 */

isc_statscounter_t
isc_stats_get_counter(isc_stats_t *stats, isc_statscounter_t counter);
/*%<
 * Returns value currently stored in counter.
 *
 * Requires:
 *\li	'stats' is a valid isc_stats_t.
 *
 *\li	counter is less than the maximum available ID for the stats specified
 *	on creation.
 */

void
isc_stats_resize(isc_stats_t **stats, int ncounters);
/*%<
 * Resize a statistics counter structure of general type. The new set of
 * counters are indexed by an ID between 0 and ncounters -1.
 *
 * Requires:
 *\li	'stats' is a valid isc_stats_t.
 *\li	'ncounters' is a non-zero positive number.
 */

ISC_LANG_ENDDECLS

#endif /* ISC_STATS_H */

${this.title}

Code Editor : stats.h