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#include "errno.h"
#include "globals.h"
#include "fs/file.h"
#include "fs/pipe.h"
#include "fs/vfs_syscall.h"
#include "test/kshell/io.h"
#include "test/kshell/kshell.h"
#define IMAX 256
#define JMAX 16
#define KMAX 16
#define ISTEP (JMAX * KMAX)
static kthread_t *make_proc_and_thread(char *name, kthread_func_t func,
int arg1, void *arg2)
{
proc_t *proc = proc_create(name);
if (!proc)
{
return NULL;
}
int i;
for (i = 0; i < NFILES; ++i)
{
proc->p_files[i] = curproc->p_files[i];
if (proc->p_files[i])
{
fref(proc->p_files[i]);
}
}
return kthread_create(proc, func, arg1, arg2);
}
static void *producer(long arg1, void *arg2)
{
int fd = (int)arg1;
kshell_t *ksh = (kshell_t *)arg2;
kprintf(ksh, "Producing bytes...\n");
unsigned char buf[KMAX];
int i, j, k;
for (i = 0; i < IMAX; ++i)
{
for (j = 0; j < JMAX; ++j)
{
for (k = 0; k < KMAX; ++k)
{
buf[k] = (unsigned char)(i ^ (j * KMAX + k));
}
kprintf(ksh, "Writing bytes %d to %d\n", i * ISTEP + j * KMAX,
i * ISTEP + (j + 1) * KMAX);
if (do_write(fd, buf, KMAX) == -EPIPE)
{
kprintf(ksh, "Got EPIPE\n");
goto out;
}
}
kprintf(ksh, "Wrote %d bytes\n", (i + 1) * ISTEP);
}
out:
return NULL;
}
static void *consumer(long arg1, void *arg2)
{
int fd = (int)arg1;
kshell_t *ksh = (kshell_t *)arg2;
kprintf(ksh, "Consuming bytes...\n");
unsigned char buf[KMAX];
int i, j, k;
for (i = 0; i < IMAX; ++i)
{
for (j = 0; j < JMAX; ++j)
{
kprintf(ksh, "Reading bytes %d to %d\n", i * ISTEP + j * KMAX,
i * ISTEP + (j + 1) * KMAX);
if (do_read(fd, buf, KMAX) == 0)
{
kprintf(ksh, "End of pipe\n");
goto out;
}
for (k = 0; k < KMAX; ++k)
{
if (buf[k] != (i ^ (j * KMAX + k)))
{
kprintf(ksh, "Byte %d incorrect (expected %2x, got %2x)\n",
i * ISTEP + j * KMAX + k, (i ^ (j * KMAX + k)),
buf[k]);
}
}
}
kprintf(ksh, "Read %d bytes\n", (i + 1) * ISTEP);
}
out:
return NULL;
}
static int test_pipes(kshell_t *ksh, int argc, char **argv)
{
int pfds[2];
int err = do_pipe(pfds);
if (err < 0)
{
kprintf(ksh, "Failed to create pipe\n");
}
kprintf(ksh, "Created pipe with read fd %d and write fd %d\n", pfds[0],
pfds[1]);
sched_make_runnable(
make_proc_and_thread("producer", producer, pfds[1], ksh));
kprintf(ksh, "Created producer process\n");
sched_make_runnable(
make_proc_and_thread("consumer", consumer, pfds[0], ksh));
kprintf(ksh, "Created consumer process\n");
do_waitpid(-1, 0, 0);
do_waitpid(-1, 0, 0);
return 0;
}
#ifdef __PIPES__
static __attribute__((unused)) void test_pipes_init()
{
kshell_add_command("test_pipes", test_pipes, "run pipe tests");
}
init_func(test_pipes_init);
init_depends(kshell_init);
#endif /* __PIPES__ */
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