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_NO
33 task3 (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
36 /* t4 should be ready (albeit with lower priority) */
37 GNUNET_assert (1 == GNUNET_SCHEDULER_get_load (tc->sched,
38 GNUNET_SCHEDULER_PRIORITY_COUNT));
39 GNUNET_assert (3 == *ok);
45 task2 (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
48 GNUNET_assert (2 == *ok);
50 /* t3 will go before t4: higher priority */
51 GNUNET_SCHEDULER_add_with_priority (tc->sched,
52 GNUNET_SCHEDULER_PRIORITY_UI,
57 task4 (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
60 GNUNET_assert (4 == *ok);
64 struct GNUNET_DISK_PipeHandle *p;
65 static const struct GNUNET_DISK_FileHandle *fds[2];
69 taskWrt (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
73 GNUNET_assert (6 == *ok);
74 GNUNET_assert (GNUNET_NETWORK_fdset_handle_isset (tc->write_ready, fds[1]));
76 GNUNET_assert (1 == GNUNET_DISK_file_write (fds[1], &c, 1));
81 taskNeverRun (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
87 taskLast (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
90 /* t4 should be ready (albeit with lower priority) */
91 GNUNET_assert (8 == *ok);
96 taskRd (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
100 GNUNET_assert (7 == *ok);
101 GNUNET_assert (GNUNET_NETWORK_fdset_handle_isset (tc->read_ready, fds[0]));
102 GNUNET_assert (1 == GNUNET_DISK_file_read (fds[0], &c, 1));
104 GNUNET_SCHEDULER_add_with_priority (tc->sched,
105 GNUNET_SCHEDULER_PRIORITY_IDLE,
107 GNUNET_SCHEDULER_shutdown (tc->sched);
112 task5 (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
115 GNUNET_assert (5 == *ok);
117 p = GNUNET_DISK_pipe (GNUNET_NO, GNUNET_NO, GNUNET_NO);
118 GNUNET_assert (NULL != p);
119 fds[0] = GNUNET_DISK_pipe_handle (p, GNUNET_DISK_PIPE_END_READ);
120 fds[1] = GNUNET_DISK_pipe_handle (p, GNUNET_DISK_PIPE_END_WRITE);
121 GNUNET_SCHEDULER_add_read_file (tc->sched,
122 GNUNET_TIME_UNIT_FOREVER_REL,
123 fds[0], &taskRd, cls);
124 GNUNET_SCHEDULER_add_write_file (tc->sched,
125 GNUNET_TIME_UNIT_FOREVER_REL,
126 fds[1], &taskWrt, cls);
131 task1 (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
134 GNUNET_SCHEDULER_TaskIdentifier t2;
135 GNUNET_SCHEDULER_TaskIdentifier t4;
137 GNUNET_assert (1 == *ok);
139 /* t2 will go first -- prereq for all */
140 t2 = GNUNET_SCHEDULER_add_after (tc->sched,
141 GNUNET_SCHEDULER_NO_TASK, &task2, cls);
142 /* t4 will go after t2 ('add after') and after t3 (priority) */
143 t4 = GNUNET_SCHEDULER_add_after (tc->sched, t2, &task4, cls);
144 /* t5 will go last (after p4) */
145 GNUNET_SCHEDULER_add_after (tc->sched, t4, &task5, cls);
151 * Main method, starts scheduler with task1,
152 * checks that "ok" is correct at the end.
160 GNUNET_SCHEDULER_run (&task1, &ok);
166 taskShutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
169 GNUNET_assert (1 == *ok);
171 GNUNET_SCHEDULER_add_delayed (tc->sched,
172 GNUNET_TIME_UNIT_FOREVER_REL, &taskLast, cls);
173 GNUNET_SCHEDULER_shutdown (tc->sched);
178 * Main method, starts scheduler with task1,
179 * checks that "ok" is correct at the end.
187 GNUNET_SCHEDULER_run (&taskShutdown, &ok);
193 taskSig (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
196 GNUNET_assert (1 == *ok);
198 GNUNET_SCHEDULER_add_delayed (tc->sched,
199 GNUNET_TIME_UNIT_FOREVER_REL, &taskLast, cls);
200 GNUNET_break (0 == PLIBC_KILL (getpid (), SIGTERM));
205 * Main method, starts scheduler with task1,
206 * checks that "ok" is correct at the end.
214 GNUNET_SCHEDULER_run (&taskSig, &ok);
220 taskCancel (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
224 GNUNET_assert (1 == *ok);
226 GNUNET_SCHEDULER_cancel (tc->sched,
227 GNUNET_SCHEDULER_add_after (tc->sched,
228 GNUNET_SCHEDULER_NO_TASK,
229 &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 */