xref: /minix/external/bsd/bind/dist/lib/isc/tests/isctest.c (revision bb9622b5)
1 /*	$NetBSD: isctest.c,v 1.1.1.7 2014/12/10 03:34:44 christos Exp $	*/
2 
3 /*
4  * Copyright (C) 2011-2014  Internet Systems Consortium, Inc. ("ISC")
5  *
6  * Permission to use, copy, modify, and/or distribute this software for any
7  * purpose with or without fee is hereby granted, provided that the above
8  * copyright notice and this permission notice appear in all copies.
9  *
10  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
11  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
12  * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
13  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
14  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
15  * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
16  * PERFORMANCE OF THIS SOFTWARE.
17  */
18 
19 /* Id */
20 
21 /*! \file */
22 
23 #include <config.h>
24 
25 #include <time.h>
26 
27 #include <isc/app.h>
28 #include <isc/buffer.h>
29 #include <isc/entropy.h>
30 #include <isc/hash.h>
31 #include <isc/mem.h>
32 #include <isc/os.h>
33 #include <isc/socket.h>
34 #include <isc/string.h>
35 #include <isc/task.h>
36 #include <isc/timer.h>
37 #include <isc/util.h>
38 
39 #include "isctest.h"
40 
41 isc_mem_t *mctx = NULL;
42 isc_entropy_t *ectx = NULL;
43 isc_log_t *lctx = NULL;
44 isc_taskmgr_t *taskmgr = NULL;
45 isc_timermgr_t *timermgr = NULL;
46 isc_socketmgr_t *socketmgr = NULL;
47 isc_task_t *maintask = NULL;
48 int ncpus;
49 
50 static isc_boolean_t hash_active = ISC_FALSE;
51 
52 /*
53  * Logging categories: this needs to match the list in bin/named/log.c.
54  */
55 static isc_logcategory_t categories[] = {
56 		{ "",                0 },
57 		{ "client",          0 },
58 		{ "network",         0 },
59 		{ "update",          0 },
60 		{ "queries",         0 },
61 		{ "unmatched",       0 },
62 		{ "update-security", 0 },
63 		{ "query-errors",    0 },
64 		{ NULL,              0 }
65 };
66 
67 static void
68 cleanup_managers(void) {
69 	if (maintask != NULL)
70 		isc_task_destroy(&maintask);
71 	if (socketmgr != NULL)
72 		isc_socketmgr_destroy(&socketmgr);
73 	if (taskmgr != NULL)
74 		isc_taskmgr_destroy(&taskmgr);
75 	if (timermgr != NULL)
76 		isc_timermgr_destroy(&timermgr);
77 }
78 
79 static isc_result_t
80 create_managers(void) {
81 	isc_result_t result;
82 #ifdef ISC_PLATFORM_USETHREADS
83 	ncpus = isc_os_ncpus();
84 #else
85 	ncpus = 1;
86 #endif
87 
88 	CHECK(isc_taskmgr_create(mctx, ncpus, 0, &taskmgr));
89 	CHECK(isc_task_create(taskmgr, 0, &maintask));
90 	isc_taskmgr_setexcltask(taskmgr, maintask);
91 
92 	CHECK(isc_timermgr_create(mctx, &timermgr));
93 	CHECK(isc_socketmgr_create(mctx, &socketmgr));
94 	return (ISC_R_SUCCESS);
95 
96  cleanup:
97 	cleanup_managers();
98 	return (result);
99 }
100 
101 isc_result_t
102 isc_test_begin(FILE *logfile, isc_boolean_t start_managers) {
103 	isc_result_t result;
104 
105 	isc_mem_debugging |= ISC_MEM_DEBUGRECORD;
106 	CHECK(isc_mem_create(0, 0, &mctx));
107 	CHECK(isc_entropy_create(mctx, &ectx));
108 
109 	CHECK(isc_hash_create(mctx, ectx, 255));
110 	hash_active = ISC_TRUE;
111 
112 	if (logfile != NULL) {
113 		isc_logdestination_t destination;
114 		isc_logconfig_t *logconfig = NULL;
115 
116 		CHECK(isc_log_create(mctx, &lctx, &logconfig));
117 		isc_log_registercategories(lctx, categories);
118 		isc_log_setcontext(lctx);
119 
120 		destination.file.stream = logfile;
121 		destination.file.name = NULL;
122 		destination.file.versions = ISC_LOG_ROLLNEVER;
123 		destination.file.maximum_size = 0;
124 		CHECK(isc_log_createchannel(logconfig, "stderr",
125 					    ISC_LOG_TOFILEDESC,
126 					    ISC_LOG_DYNAMIC,
127 					    &destination, 0));
128 		CHECK(isc_log_usechannel(logconfig, "stderr", NULL, NULL));
129 	}
130 
131 #ifdef ISC_PLATFORM_USETHREADS
132 	ncpus = isc_os_ncpus();
133 #else
134 	ncpus = 1;
135 #endif
136 
137 	if (start_managers)
138 		CHECK(create_managers());
139 
140 	return (ISC_R_SUCCESS);
141 
142   cleanup:
143 	isc_test_end();
144 	return (result);
145 }
146 
147 void
148 isc_test_end(void) {
149 	if (maintask != NULL)
150 		isc_task_detach(&maintask);
151 	if (taskmgr != NULL)
152 		isc_taskmgr_destroy(&taskmgr);
153 	if (lctx != NULL)
154 		isc_log_destroy(&lctx);
155 	if (hash_active) {
156 		isc_hash_destroy();
157 		hash_active = ISC_FALSE;
158 	}
159 	if (ectx != NULL)
160 		isc_entropy_detach(&ectx);
161 
162 	cleanup_managers();
163 
164 	if (mctx != NULL)
165 		isc_mem_destroy(&mctx);
166 }
167 
168 /*
169  * Sleep for 'usec' microseconds.
170  */
171 void
172 isc_test_nap(isc_uint32_t usec) {
173 #ifdef HAVE_NANOSLEEP
174 	struct timespec ts;
175 
176 	ts.tv_sec = usec / 1000000;
177 	ts.tv_nsec = (usec % 1000000) * 1000;
178 	nanosleep(&ts, NULL);
179 #elif HAVE_USLEEP
180 	usleep(usec);
181 #else
182 	/*
183 	 * No fractional-second sleep function is available, so we
184 	 * round up to the nearest second and sleep instead
185 	 */
186 	sleep((usec / 1000000) + 1);
187 #endif
188 }
189