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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <poll.h>
#include <string.h>
#include <assert.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "eio.h"
int respipe [2];
void
want_poll (void)
{
char dummy;
printf ("want_poll ()\n");
write (respipe [1], &dummy, 1);
}
void
done_poll (void)
{
char dummy;
printf ("done_poll ()\n");
read (respipe [0], &dummy, 1);
}
void
event_loop (void)
{
// an event loop. yeah.
struct pollfd pfd;
pfd.fd = respipe [0];
pfd.events = POLLIN;
printf ("\nentering event loop\n");
while (eio_nreqs ())
{
poll (&pfd, 1, -1);
printf ("eio_poll () = %d\n", eio_poll ());
}
printf ("leaving event loop\n");
}
int
res_cb (eio_req *req)
{
printf ("res_cb(%d|%s) = %d\n", req->type, req->data ? req->data : "?", EIO_RESULT (req));
if (req->result < 0)
abort ();
return 0;
}
int
readdir_cb (eio_req *req)
{
char *buf = (char *)EIO_BUF (req);
printf ("readdir_cb = %d\n", EIO_RESULT (req));
if (EIO_RESULT (req) < 0)
return 0;
while (EIO_RESULT (req)--)
{
printf ("readdir = <%s>\n", buf);
buf += strlen (buf) + 1;
}
return 0;
}
int
stat_cb (eio_req *req)
{
struct stat *buf = EIO_STAT_BUF (req);
if (req->type == EIO_FSTAT)
printf ("fstat_cb = %d\n", EIO_RESULT (req));
else
printf ("stat_cb(%s) = %d\n", EIO_PATH (req), EIO_RESULT (req));
if (!EIO_RESULT (req))
printf ("stat size %d perm 0%o\n", buf->st_size, buf->st_mode & 0777);
return 0;
}
int
read_cb (eio_req *req)
{
unsigned char *buf = (unsigned char *)EIO_BUF (req);
printf ("read_cb = %d (%02x%02x%02x%02x %02x%02x%02x%02x)\n",
EIO_RESULT (req),
buf [0], buf [1], buf [2], buf [3],
buf [4], buf [5], buf [6], buf [7]);
return 0;
}
int last_fd;
int
open_cb (eio_req *req)
{
printf ("open_cb = %d\n", EIO_RESULT (req));
last_fd = EIO_RESULT (req);
return 0;
}
int
main (void)
{
printf ("pipe ()\n");
if (pipe (respipe)) abort ();
printf ("eio_init ()\n");
if (eio_init (want_poll, done_poll)) abort ();
do
{
/* avoid relative paths yourself(!) */
eio_mkdir ("eio-test-dir", 0777, 0, res_cb, "mkdir");
eio_nop (0, res_cb, "nop");
event_loop ();
eio_stat ("eio-test-dir", 0, stat_cb, "stat");
eio_lstat ("eio-test-dir", 0, stat_cb, "stat");
eio_open ("eio-test-dir/eio-test-file", O_RDWR | O_CREAT, 0777, 0, open_cb, "open");
eio_symlink ("test", "eio-test-dir/eio-symlink", 0, res_cb, "symlink");
eio_mknod ("eio-test-dir/eio-fifo", S_IFIFO, 0, 0, res_cb, "mknod");
event_loop ();
eio_utime ("eio-test-dir", 12345.678, 23456.789, 0, res_cb, "utime");
eio_futime (last_fd, 92345.678, 93456.789, 0, res_cb, "futime");
eio_chown ("eio-test-dir", getuid (), getgid (), 0, res_cb, "chown");
eio_fchown (last_fd, getuid (), getgid (), 0, res_cb, "fchown");
eio_fchmod (last_fd, 0123, 0, res_cb, "fchmod");
eio_readdir ("eio-test-dir", 0, readdir_cb, "readdir");
eio_readdir ("/nonexistant", 0, readdir_cb, "readdir");
eio_fstat (last_fd, 0, stat_cb, "stat");
eio_write (last_fd, "test\nfail\n", 10, 4, 0, res_cb, "write");
event_loop ();
eio_read (last_fd, 0, 8, 0, EIO_PRI_DEFAULT, read_cb, "read");
eio_readlink ("eio-test-dir/eio-symlink", 0, res_cb, "readlink");
event_loop ();
eio_dup2 (1, 2, EIO_PRI_DEFAULT, res_cb, "dup"); // dup stdout to stderr
eio_chmod ("eio-test-dir", 0765, 0, res_cb, "chmod");
eio_ftruncate (last_fd, 9, 0, res_cb, "ftruncate");
eio_fdatasync (last_fd, 0, res_cb, "fdatasync");
eio_fsync (last_fd, 0, res_cb, "fsync");
eio_sync (0, res_cb, "sync");
eio_busy (0.5, 0, res_cb, "busy");
event_loop ();
eio_sendfile (1, last_fd, 4, 5, 0, res_cb, "sendfile"); // write "test\n" to stdout
eio_fstat (last_fd, 0, stat_cb, "stat");
event_loop ();
eio_truncate ("eio-test-dir/eio-test-file", 6, 0, res_cb, "truncate");
eio_readahead (last_fd, 0, 64, 0, res_cb, "readahead");
event_loop ();
eio_close (last_fd, 0, res_cb, "close");
eio_link ("eio-test-dir/eio-test-file", "eio-test-dir/eio-test-file-2", 0, res_cb, "link");
event_loop ();
eio_rename ("eio-test-dir/eio-test-file", "eio-test-dir/eio-test-file-renamed", 0, res_cb, "rename");
event_loop ();
eio_unlink ("eio-test-dir/eio-fifo", 0, res_cb, "unlink");
eio_unlink ("eio-test-dir/eio-symlink", 0, res_cb, "unlink");
eio_unlink ("eio-test-dir/eio-test-file-2", 0, res_cb, "unlink");
eio_unlink ("eio-test-dir/eio-test-file-renamed", 0, res_cb, "unlink");
event_loop ();
eio_rmdir ("eio-test-dir", 0, res_cb, "rmdir");
event_loop ();
}
while (0);
return 0;
}
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