2 This file is part of GNUnet.
3 (C) 2009 Christian Grothoff (and other contributing authors)
5 GNUnet is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 3, or (at your
8 option) any later version.
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with GNUnet; see the file COPYING. If not, write to the
17 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA.
21 * @file util/test_scheduler.c
22 * @brief tests for the scheduler
25 #include "gnunet_common.h"
26 #include "gnunet_scheduler_lib.h"
27 #include "gnunet_time_lib.h"
28 #include "gnunet_disk_lib.h"
30 #define VERBOSE GNUNET_EXTRA_LOGGING
33 task3 (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
37 /* t4 should be ready (albeit with lower priority) */
39 GNUNET_SCHEDULER_get_load (GNUNET_SCHEDULER_PRIORITY_COUNT));
40 GNUNET_assert (3 == *ok);
46 task2 (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
50 GNUNET_assert (2 == *ok);
52 /* t3 will go before t4: higher priority */
53 GNUNET_SCHEDULER_add_with_priority (GNUNET_SCHEDULER_PRIORITY_UI, &task3,
58 task4 (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
62 GNUNET_assert (4 == *ok);
66 struct GNUNET_DISK_PipeHandle *p;
67 static const struct GNUNET_DISK_FileHandle *fds[2];
71 taskWrt (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
76 GNUNET_assert (6 == *ok);
77 GNUNET_assert (GNUNET_NETWORK_fdset_handle_isset (tc->write_ready, fds[1]));
79 GNUNET_assert (1 == GNUNET_DISK_file_write (fds[1], &c, 1));
84 taskNeverRun (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
90 taskLast (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
94 /* t4 should be ready (albeit with lower priority) */
95 GNUNET_assert (8 == *ok);
100 taskRd (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
105 GNUNET_assert (7 == *ok);
106 GNUNET_assert (GNUNET_NETWORK_fdset_handle_isset (tc->read_ready, fds[0]));
107 GNUNET_assert (1 == GNUNET_DISK_file_read (fds[0], &c, 1));
109 GNUNET_SCHEDULER_add_with_priority (GNUNET_SCHEDULER_PRIORITY_IDLE, &taskLast,
111 GNUNET_SCHEDULER_shutdown ();
116 task5 (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
120 GNUNET_assert (5 == *ok);
122 p = GNUNET_DISK_pipe (GNUNET_NO, GNUNET_NO, GNUNET_NO, GNUNET_NO);
123 GNUNET_assert (NULL != p);
124 fds[0] = GNUNET_DISK_pipe_handle (p, GNUNET_DISK_PIPE_END_READ);
125 fds[1] = GNUNET_DISK_pipe_handle (p, GNUNET_DISK_PIPE_END_WRITE);
126 GNUNET_SCHEDULER_add_read_file (GNUNET_TIME_UNIT_FOREVER_REL, fds[0], &taskRd,
128 GNUNET_SCHEDULER_add_write_file (GNUNET_TIME_UNIT_FOREVER_REL, fds[1],
134 task1 (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
137 GNUNET_SCHEDULER_TaskIdentifier t2;
138 GNUNET_SCHEDULER_TaskIdentifier t4;
140 GNUNET_assert (1 == *ok);
142 /* t2 will go first -- prereq for all */
143 t2 = GNUNET_SCHEDULER_add_after (GNUNET_SCHEDULER_NO_TASK, &task2, cls);
144 /* t4 will go after t2 ('add after') and after t3 (priority) */
145 t4 = GNUNET_SCHEDULER_add_after (t2, &task4, cls);
146 /* t5 will go last (after p4) */
147 GNUNET_SCHEDULER_add_after (t4, &task5, cls);
153 * Main method, starts scheduler with task1,
154 * checks that "ok" is correct at the end.
162 GNUNET_SCHEDULER_run (&task1, &ok);
168 taskShutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
172 GNUNET_assert (1 == *ok);
174 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &taskLast, cls);
175 GNUNET_SCHEDULER_shutdown ();
180 * Main method, starts scheduler with task1,
181 * checks that "ok" is correct at the end.
189 GNUNET_SCHEDULER_run (&taskShutdown, &ok);
195 taskSig (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
199 GNUNET_assert (1 == *ok);
201 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &taskLast, cls);
202 GNUNET_break (0 == PLIBC_KILL (getpid (), SIGTERM));
207 * Main method, starts scheduler with task1,
208 * checks that "ok" is correct at the end.
216 GNUNET_SCHEDULER_run (&taskSig, &ok);
222 taskCancel (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
226 GNUNET_assert (1 == *ok);
228 GNUNET_SCHEDULER_cancel (GNUNET_SCHEDULER_add_after
229 (GNUNET_SCHEDULER_NO_TASK, &taskNeverRun, NULL));
234 * Main method, starts scheduler with task1,
235 * checks that "ok" is correct at the end.
243 GNUNET_SCHEDULER_run (&taskCancel, &ok);
250 main (int argc, char *argv[])
254 GNUNET_log_setup ("test_scheduler", "WARNING", NULL);
257 ret += checkSignal ();
259 ret += checkShutdown ();
260 ret += checkCancel ();
261 GNUNET_DISK_pipe_close (p);
266 /* end of test_scheduler.c */