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/*
This file is part of GNUnet.
(C) 2009 Christian Grothoff (and other contributing authors)
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 3, or (at your
option) any later version.
GNUnet is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNUnet; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
/**
* @file util/test_scheduler.c
* @brief tests for the scheduler
*/
#include "platform.h"
#include "gnunet_common.h"
#include "gnunet_scheduler_lib.h"
#include "gnunet_time_lib.h"
#include "gnunet_disk_lib.h"
#define VERBOSE GNUNET_NO
static void
task2 (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
int *ok = cls;
/* t3 should be ready (albeit with lower priority) */
GNUNET_assert (1 ==
GNUNET_SCHEDULER_get_load (GNUNET_SCHEDULER_PRIORITY_COUNT));
GNUNET_assert (2 == *ok);
(*ok) = 3;
}
static void
task3 (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
int *ok = cls;
GNUNET_assert (3 == *ok);
(*ok) = 4;
}
struct GNUNET_DISK_PipeHandle *p;
static const struct GNUNET_DISK_FileHandle *fds[2];
static void
taskWrt (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
static char c;
int *ok = cls;
GNUNET_assert (6 == *ok);
GNUNET_assert (GNUNET_NETWORK_fdset_handle_isset (tc->write_ready, fds[1]));
(*ok) = 7;
GNUNET_assert (1 == GNUNET_DISK_file_write (fds[1], &c, 1));
}
static void
taskNeverRun (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
GNUNET_assert (0);
}
static void
taskLast (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
int *ok = cls;
/* t4 should be ready (albeit with lower priority) */
GNUNET_assert (8 == *ok);
(*ok) = 0;
}
static void
taskRd (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
static char c;
int *ok = cls;
GNUNET_assert (7 == *ok);
GNUNET_assert (GNUNET_NETWORK_fdset_handle_isset (tc->read_ready, fds[0]));
GNUNET_assert (1 == GNUNET_DISK_file_read (fds[0], &c, 1));
(*ok) = 8;
GNUNET_SCHEDULER_add_with_priority (GNUNET_SCHEDULER_PRIORITY_IDLE, &taskLast,
cls);
GNUNET_SCHEDULER_shutdown ();
}
static void
task4 (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
int *ok = cls;
GNUNET_assert (4 == *ok);
(*ok) = 6;
p = GNUNET_DISK_pipe (GNUNET_NO, GNUNET_NO, GNUNET_NO, GNUNET_NO);
GNUNET_assert (NULL != p);
fds[0] = GNUNET_DISK_pipe_handle (p, GNUNET_DISK_PIPE_END_READ);
fds[1] = GNUNET_DISK_pipe_handle (p, GNUNET_DISK_PIPE_END_WRITE);
GNUNET_SCHEDULER_add_read_file (GNUNET_TIME_UNIT_FOREVER_REL, fds[0], &taskRd,
cls);
GNUNET_SCHEDULER_add_write_file (GNUNET_TIME_UNIT_FOREVER_REL, fds[1],
&taskWrt, cls);
}
static void
task1 (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
int *ok = cls;
GNUNET_assert (1 == *ok);
(*ok) = 2;
GNUNET_SCHEDULER_add_now (&task3, cls);
GNUNET_SCHEDULER_add_with_priority (GNUNET_SCHEDULER_PRIORITY_UI, &task2,
cls);
GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS, &task4, cls);
}
/**
* Main method, starts scheduler with task1,
* checks that "ok" is correct at the end.
*/
static int
check ()
{
int ok;
ok = 1;
GNUNET_SCHEDULER_run (&task1, &ok);
return ok;
}
static void
taskShutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
int *ok = cls;
GNUNET_assert (1 == *ok);
*ok = 8;
GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &taskLast, cls);
GNUNET_SCHEDULER_shutdown ();
}
/**
* Main method, starts scheduler with task1,
* checks that "ok" is correct at the end.
*/
static int
checkShutdown ()
{
int ok;
ok = 1;
GNUNET_SCHEDULER_run (&taskShutdown, &ok);
return ok;
}
static void
taskSig (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
int *ok = cls;
GNUNET_assert (1 == *ok);
*ok = 8;
GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &taskLast, cls);
GNUNET_break (0 == PLIBC_KILL (getpid (), SIGTERM));
}
/**
* Main method, starts scheduler with task1,
* checks that "ok" is correct at the end.
*/
static int
checkSignal ()
{
int ok;
ok = 1;
GNUNET_SCHEDULER_run (&taskSig, &ok);
return ok;
}
static void
taskCancel (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
int *ok = cls;
GNUNET_assert (1 == *ok);
*ok = 0;
GNUNET_SCHEDULER_cancel (GNUNET_SCHEDULER_add_now
(&taskNeverRun, NULL));
}
/**
* Main method, starts scheduler with task1,
* checks that "ok" is correct at the end.
*/
static int
checkCancel ()
{
int ok;
ok = 1;
GNUNET_SCHEDULER_run (&taskCancel, &ok);
return ok;
}
int
main (int argc, char *argv[])
{
int ret = 0;
GNUNET_log_setup ("test_scheduler", "WARNING", NULL);
ret += check ();
#ifndef MINGW
ret += checkSignal ();
#endif
ret += checkShutdown ();
ret += checkCancel ();
GNUNET_DISK_pipe_close (p);
return ret;
}
/* end of test_scheduler.c */
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