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3131. [func] Improve scalability by allocating one zone task

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per 100 zones at startup time, rather than using a
			fixed-size task table. [RT #24406]
This commit is contained in:
Evan Hunt
2011-07-06 05:05:52 +00:00
parent b5b6bddcd9
commit c46ce2d79b
11 changed files with 673 additions and 0 deletions
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9
bin/tests/startperf/README Normal file
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These scripts generate a named.conf file with an arbitrary number of
small zones, for testing startup performance.
To generate a test server with 1000 zones, run:
$ sh setup.sh 1000 > named.conf
Zones are generated with random names, and all of them load from the same
file: smallzone.db.

32
bin/tests/startperf/makenames.pl Normal file
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#!/usr/bin/perl
#
# Copyright (C) 2011 Internet Systems Consortium, Inc. ("ISC")
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
# AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
# PERFORMANCE OF THIS SOFTWARE.
# $Id: makenames.pl,v 1.2 2011/07/06 05:05:51 each Exp $
use strict;
die "Usage: makenames.pl <num>" if (@ARGV == 0);
my @chars = split("", "abcdefghijklmnopqrstuvwxyz123456789");
srand;
for (my $i = 0; $i < @ARGV[0]; $i++) {
my $name = "";
for (my $j = 0; $j < 10; $j++) {
my $r = rand 35;
$name .= $chars[$r];
}
print "$name" . ".example\n";
}

48
bin/tests/startperf/setup.sh Normal file
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#!/bin/sh
if [ "$#" -ne 1 ]; then
echo "Usage: $0 <number of zones>"
exit 1
fi
. ../system/conf.sh
cat << EOF
options {
directory "`pwd`";
listen-on { localhost; };
listen-on-v6 { localhost; };
port 5300;
allow-query { any; };
allow-transfer { localhost; };
allow-recursion { none; };
recursion no;
};
key rndc_key {
secret "1234abcd8765";
algorithm hmac-md5;
};
controls {
inet 127.0.0.1 port 9953 allow { any; } keys { rndc_key; };
};
logging {
channel basic {
file "`pwd`/named.log" versions 3 size 100m;
severity info;
print-time yes;
print-severity no;
print-category no;
};
category default {
basic;
};
};
EOF
$PERL makenames.pl $1 | while read zonename; do
echo "zone $zonename { type master; file \"smallzone.db\"; };"
done

17
bin/tests/startperf/smallzone.db Normal file
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$TTL 300 ; 5 minutes
@ IN SOA mname1. . (
2000042407 ; serial
20 ; refresh (20 seconds)
20 ; retry (20 seconds)
1814400 ; expire (3 weeks)
3600 ; minimum (1 hour)
)
NS ns
ns A 10.53.0.3
a A 10.0.0.1
b A 10.0.0.2
d A 10.0.0.4
z A 10.0.0.26
a.a.a.a A 10.0.0.3
*.e A 10.0.0.6

177
lib/dns/tests/zonemgr_test.c Normal file
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/*
* Copyright (C) 2011 Internet Systems Consortium, Inc. ("ISC")
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: zonemgr_test.c,v 1.2 2011/07/06 05:05:51 each Exp $ */
/*! \file */
#include <config.h>
#include <atf-c.h>
#include <unistd.h>
#include <isc/buffer.h>
#include <isc/task.h>
#include <isc/timer.h>
#include <dns/name.h>
#include <dns/view.h>
#include <dns/zone.h>
#include "dnstest.h"
static isc_result_t
make_zone(const char *name, dns_zone_t **zonep) {
isc_result_t result;
dns_view_t *view = NULL;
dns_zone_t *zone = NULL;
isc_buffer_t buffer;
dns_fixedname_t fixorigin;
dns_name_t *origin;
CHECK(dns_view_create(mctx, dns_rdataclass_in, "view", &view));
CHECK(dns_zone_create(&zone, mctx));
isc_buffer_init(&buffer, name, strlen(name));
isc_buffer_add(&buffer, strlen(name));
dns_fixedname_init(&fixorigin);
origin = dns_fixedname_name(&fixorigin);
CHECK(dns_name_fromtext(origin, &buffer, dns_rootname, 0, NULL));
CHECK(dns_zone_setorigin(zone, origin));
dns_zone_setview(zone, view);
dns_zone_settype(zone, dns_zone_master);
dns_zone_setclass(zone, view->rdclass);
dns_view_detach(&view);
*zonep = zone;
return (ISC_R_SUCCESS);
cleanup:
if (zone != NULL)
dns_zone_detach(&zone);
if (view != NULL)
dns_view_detach(&view);
return (result);
}
/*
* Individual unit tests
*/
ATF_TC(zonemgr_create);
ATF_TC_HEAD(zonemgr_create, tc) {
atf_tc_set_md_var(tc, "descr", "create zone manager");
}
ATF_TC_BODY(zonemgr_create, tc) {
dns_zonemgr_t *zonemgr = NULL;
isc_result_t result;
UNUSED(tc);
result = dns_test_begin(NULL, ISC_TRUE);
ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
result = dns_zonemgr_create(mctx, taskmgr, timermgr, socketmgr,
&zonemgr);
ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
dns_zonemgr_shutdown(zonemgr);
dns_zonemgr_detach(&zonemgr);
ATF_REQUIRE_EQ(zonemgr, NULL);
dns_test_end();
}
ATF_TC(zonemgr_managezone);
ATF_TC_HEAD(zonemgr_managezone, tc) {
atf_tc_set_md_var(tc, "descr", "manage and release a zone");
}
ATF_TC_BODY(zonemgr_managezone, tc) {
dns_zonemgr_t *zonemgr = NULL;
dns_zone_t *zone = NULL;
isc_result_t result;
UNUSED(tc);
result = dns_test_begin(NULL, ISC_TRUE);
ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
result = dns_zonemgr_create(mctx, taskmgr, timermgr, socketmgr,
&zonemgr);
ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
result = make_zone("foo", &zone);
ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
/* This should not succeed until the dns_zonemgr_setsize() is run */
result = dns_zonemgr_managezone(zonemgr, zone);
ATF_REQUIRE_EQ(result, ISC_R_FAILURE);
ATF_REQUIRE_EQ(dns_zonemgr_getcount(zonemgr, DNS_ZONESTATE_ANY), 0);
result = dns_zonemgr_setsize(zonemgr, 1);
ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
/* Now it should succeed */
result = dns_zonemgr_managezone(zonemgr, zone);
ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
ATF_REQUIRE_EQ(dns_zonemgr_getcount(zonemgr, DNS_ZONESTATE_ANY), 1);
dns_zonemgr_releasezone(zonemgr, zone);
dns_zone_detach(&zone);
ATF_REQUIRE_EQ(dns_zonemgr_getcount(zonemgr, DNS_ZONESTATE_ANY), 0);
dns_zonemgr_shutdown(zonemgr);
dns_zonemgr_detach(&zonemgr);
ATF_REQUIRE_EQ(zonemgr, NULL);
dns_test_end();
}
/*
* Main
*/
ATF_TP_ADD_TCS(tp) {
ATF_TP_ADD_TC(tp, zonemgr_create);
ATF_TP_ADD_TC(tp, zonemgr_managezone);
return (atf_no_error());
}
/*
* XXX:
* dns_zonemgr API calls that are not yet part of this unit test:
*
* - dns_zonemgr_attach
* - dns_zonemgr_forcemaint
* - dns_zonemgr_resumexfrs
* - dns_zonemgr_shutdown
* - dns_zonemgr_setsize
* - dns_zonemgr_settransfersin
* - dns_zonemgr_getttransfersin
* - dns_zonemgr_settransfersperns
* - dns_zonemgr_getttransfersperns
* - dns_zonemgr_setiolimit
* - dns_zonemgr_getiolimit
* - dns_zonemgr_dbdestroyed
* - dns_zonemgr_setserialqueryrate
* - dns_zonemgr_getserialqueryrate
* - dns_zonemgr_unreachable
* - dns_zonemgr_unreachableadd
*/

5
lib/isc/Atffile Normal file
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Content-Type: application/X-atf-atffile; version="1"
prop: test-suite = bind9
tp: tests

5
lib/isc/tests/Atffile Normal file
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Content-Type: application/X-atf-atffile; version="1"
prop: test-suite = bind9
tp-glob: *_test

50
lib/isc/tests/Makefile.in Normal file
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# Copyright (C) 2011 Internet Systems Consortium, Inc. ("ISC")
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
# AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
# PERFORMANCE OF THIS SOFTWARE.
# $Id: Makefile.in,v 1.2 2011/07/06 05:05:51 each Exp $
srcdir = @srcdir@
VPATH = @srcdir@
top_srcdir = @top_srcdir@
# Attempt to disable parallel processing.
.NOTPARALLEL:
.NO_PARALLEL:
@BIND9_VERSION@
@BIND9_MAKE_INCLUDES@
CINCLUDES = -I. -Iinclude ${ISC_INCLUDES}
CDEFINES = -DTESTS="\"${top_builddir}/lib/isc/tests/\""
ISCLIBS = ../libisc.@A@
ISCDEPLIBS = ../libisc.@A@
LIBS = @LIBS@ @ATFLIBS@
OBJS = isctest.@O@
SRCS = isctest.c taskpool_test.c
SUBDIRS =
TARGETS = taskpool_test@EXEEXT@
@BIND9_MAKE_RULES@
taskpool_test@EXEEXT@: taskpool_test.@O@ isctest.@O@ ${ISCDEPLIBS}
${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} -o $@ \
taskpool_test.@O@ isctest.@O@ ${ISCLIBS} ${LIBS}
clean distclean::
rm -f ${TARGETS}

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lib/isc/tests/isctest.c Normal file
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/*
* Copyright (C) 2011 Internet Systems Consortium, Inc. ("ISC")
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: isctest.c,v 1.2 2011/07/06 05:05:52 each Exp $ */
/*! \file */
#include <config.h>
#include <isc/app.h>
#include <isc/buffer.h>
#include <isc/entropy.h>
#include <isc/hash.h>
#include <isc/mem.h>
#include <isc/os.h>
#include <isc/string.h>
#include <isc/util.h>
#include "isctest.h"
isc_mem_t *mctx = NULL;
isc_entropy_t *ectx = NULL;
isc_log_t *lctx = NULL;
isc_taskmgr_t *taskmgr = NULL;
int ncpus;
static isc_boolean_t hash_active = ISC_FALSE;
/*
* Logging categories: this needs to match the list in bin/named/log.c.
*/
static isc_logcategory_t categories[] = {
{ "", 0 },
{ "client", 0 },
{ "network", 0 },
{ "update", 0 },
{ "queries", 0 },
{ "unmatched", 0 },
{ "update-security", 0 },
{ "query-errors", 0 },
{ NULL, 0 }
};
isc_result_t
isc_test_begin(FILE *logfile) {
isc_result_t result;
isc_mem_debugging |= ISC_MEM_DEBUGRECORD;
CHECK(isc_mem_create(0, 0, &mctx));
CHECK(isc_entropy_create(mctx, &ectx));
CHECK(isc_hash_create(mctx, ectx, 255));
hash_active = ISC_TRUE;
if (logfile != NULL) {
isc_logdestination_t destination;
isc_logconfig_t *logconfig = NULL;
CHECK(isc_log_create(mctx, &lctx, &logconfig));
isc_log_registercategories(lctx, categories);
isc_log_setcontext(lctx);
destination.file.stream = logfile;
destination.file.name = NULL;
destination.file.versions = ISC_LOG_ROLLNEVER;
destination.file.maximum_size = 0;
CHECK(isc_log_createchannel(logconfig, "stderr",
ISC_LOG_TOFILEDESC,
ISC_LOG_DYNAMIC,
&destination, 0));
CHECK(isc_log_usechannel(logconfig, "stderr", NULL, NULL));
}
#ifdef ISC_PLATFORM_USETHREADS
ncpus = isc_os_ncpus();
#else
ncpus = 1;
#endif
CHECK(isc_taskmgr_create(mctx, ncpus, 0, &taskmgr));
return (ISC_R_SUCCESS);
cleanup:
isc_test_end();
return (result);
}
void
isc_test_end() {
if (taskmgr != NULL)
isc_taskmgr_destroy(&taskmgr);
if (lctx != NULL)
isc_log_destroy(&lctx);
if (hash_active) {
isc_hash_destroy();
hash_active = ISC_FALSE;
}
if (ectx != NULL)
isc_entropy_detach(&ectx);
if (mctx != NULL)
isc_mem_destroy(&mctx);
}

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lib/isc/tests/isctest.h Normal file
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/*
* Copyright (C) 2011 Internet Systems Consortium, Inc. ("ISC")
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: isctest.h,v 1.2 2011/07/06 05:05:52 each Exp $ */
/*! \file */
#include <config.h>
#include <isc/buffer.h>
#include <isc/entropy.h>
#include <isc/hash.h>
#include <isc/log.h>
#include <isc/mem.h>
#include <isc/result.h>
#include <isc/string.h>
#include <isc/task.h>
#include <isc/timer.h>
#include <isc/util.h>
#define CHECK(r) \
do { \
result = (r); \
if (result != ISC_R_SUCCESS) \
goto cleanup; \
} while (0)
extern isc_mem_t *mctx;
extern isc_entropy_t *ectx;
extern isc_log_t *lctx;
extern isc_taskmgr_t *taskmgr;
extern int ncpus;
isc_result_t
isc_test_begin(FILE *logfile);
void
isc_test_end(void);

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lib/isc/tests/taskpool_test.c Normal file
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/*
* Copyright (C) 2011 Internet Systems Consortium, Inc. ("ISC")
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: taskpool_test.c,v 1.2 2011/07/06 05:05:52 each Exp $ */
/*! \file */
#include <config.h>
#include <atf-c.h>
#include <unistd.h>
#include <isc/task.h>
#include <isc/taskpool.h>
#include "isctest.h"
/*
* Individual unit tests
*/
/* Create a taskpool */
ATF_TC(create_pool);
ATF_TC_HEAD(create_pool, tc) {
atf_tc_set_md_var(tc, "descr", "create a taskpool");
}
ATF_TC_BODY(create_pool, tc) {
isc_result_t result;
isc_taskpool_t *pool = NULL;
UNUSED(tc);
result = isc_test_begin(NULL);
ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
result = isc_taskpool_create(taskmgr, mctx, 8, 2, &pool);
ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
ATF_REQUIRE_EQ(isc_taskpool_size(pool), 8);
isc_taskpool_destroy(&pool);
ATF_REQUIRE_EQ(pool, NULL);
isc_test_end();
}
/* Resize a taskpool */
ATF_TC(expand_pool);
ATF_TC_HEAD(expand_pool, tc) {
atf_tc_set_md_var(tc, "descr", "expand a taskpool");
}
ATF_TC_BODY(expand_pool, tc) {
isc_result_t result;
isc_taskpool_t *pool1 = NULL, *pool2 = NULL, *hold = NULL;
UNUSED(tc);
result = isc_test_begin(NULL);
ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
result = isc_taskpool_create(taskmgr, mctx, 10, 2, &pool1);
ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
ATF_REQUIRE_EQ(isc_taskpool_size(pool1), 10);
/* resizing to a smaller size should have no effect */
hold = pool1;
result = isc_taskpool_expand(&pool1, 5, &pool2);
ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
ATF_REQUIRE_EQ(isc_taskpool_size(pool2), 10);
ATF_REQUIRE_EQ(pool2, hold);
ATF_REQUIRE_EQ(pool1, NULL);
pool1 = pool2;
pool2 = NULL;
/* resizing to the same size should have no effect */
hold = pool1;
result = isc_taskpool_expand(&pool1, 10, &pool2);
ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
ATF_REQUIRE_EQ(isc_taskpool_size(pool2), 10);
ATF_REQUIRE_EQ(pool2, hold);
ATF_REQUIRE_EQ(pool1, NULL);
pool1 = pool2;
pool2 = NULL;
/* resizing to larger size should make a new pool */
hold = pool1;
result = isc_taskpool_expand(&pool1, 20, &pool2);
ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
ATF_REQUIRE_EQ(isc_taskpool_size(pool2), 20);
ATF_REQUIRE(pool2 != hold);
ATF_REQUIRE_EQ(pool1, NULL);
isc_taskpool_destroy(&pool2);
ATF_REQUIRE_EQ(pool2, NULL);
isc_test_end();
}
/* Get tasks */
ATF_TC(get_tasks);
ATF_TC_HEAD(get_tasks, tc) {
atf_tc_set_md_var(tc, "descr", "create a taskpool");
}
ATF_TC_BODY(get_tasks, tc) {
isc_result_t result;
isc_taskpool_t *pool = NULL;
isc_task_t *task1 = NULL, *task2 = NULL, *task3 = NULL;
UNUSED(tc);
result = isc_test_begin(NULL);
ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
result = isc_taskpool_create(taskmgr, mctx, 2, 2, &pool);
ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
ATF_REQUIRE_EQ(isc_taskpool_size(pool), 2);
/* two tasks in pool; make sure we can access them more than twice */
isc_taskpool_gettask(pool, &task1);
ATF_REQUIRE(ISCAPI_TASK_VALID(task1));
isc_taskpool_gettask(pool, &task2);
ATF_REQUIRE(ISCAPI_TASK_VALID(task2));
isc_taskpool_gettask(pool, &task3);
ATF_REQUIRE(ISCAPI_TASK_VALID(task3));
isc_task_destroy(&task1);
isc_task_destroy(&task2);
isc_task_destroy(&task3);
isc_taskpool_destroy(&pool);
ATF_REQUIRE_EQ(pool, NULL);
isc_test_end();
}
/*
* Main
*/
ATF_TP_ADD_TCS(tp) {
ATF_TP_ADD_TC(tp, create_pool);
ATF_TP_ADD_TC(tp, expand_pool);
ATF_TP_ADD_TC(tp, get_tasks);
return (atf_no_error());
}