int
main (int argc, char *argv[])
{
glfs_t *fs = NULL;
glfs_t *fs2 = NULL;
glfs_t *fs_tmp = NULL;
glfs_t *fs_tmp2 = NULL;
int ret = 0, i;
glfs_fd_t *fd = NULL;
glfs_fd_t *fd2 = NULL;
glfs_fd_t *fd_tmp = NULL;
glfs_fd_t *fd_tmp2 = NULL;
char readbuf[32];
char *filename = "file_tmp";
char *writebuf = NULL;
char *vol_id = NULL;
unsigned int cnt = 1;
struct glfs_upcall *cbk = NULL;
char *logfile = NULL;
char *volname = NULL;
char *hostname = NULL;
if (argc != 4) {
fprintf (stderr, "Invalid argument\n");
exit(1);
}
hostname = argv[1];
volname = argv[2];
logfile = argv[3];
fs = glfs_new (volname);
if (!fs) {
fprintf (stderr, "glfs_new: returned NULL\n");
return -1;
}
ret = glfs_set_volfile_server (fs, "tcp", hostname, 24007);
LOG_ERR("glfs_set_volfile_server", ret);
ret = glfs_set_logging (fs, logfile, 7);
LOG_ERR("glfs_set_logging", ret);
ret = glfs_init (fs);
LOG_ERR("glfs_init", ret);
/* This does not block, but enables caching of events. Real
* applications like NFS-Ganesha run this in a thread before activity
* on the fs (through this instance) happens. */
ret = glfs_h_poll_upcall(fs_tmp, &cbk);
LOG_ERR ("glfs_h_poll_upcall", ret);
fs2 = glfs_new (volname);
if (!fs2) {
fprintf (stderr, "glfs_new fs2: returned NULL\n");
return 1;
}
ret = glfs_set_volfile_server (fs2, "tcp", hostname, 24007);
LOG_ERR("glfs_set_volfile_server-fs2", ret);
ret = glfs_set_logging (fs2, logfile, 7);
LOG_ERR("glfs_set_logging-fs2", ret);
ret = glfs_init (fs2);
LOG_ERR("glfs_init-fs2", ret);
fd = glfs_creat(fs, filename, O_RDWR|O_SYNC, 0644);
if (fd <= 0) {
ret = -1;
LOG_ERR ("glfs_creat", ret);
}
fprintf (stderr, "glfs-create fd - %d\n", fd);
fd2 = glfs_open(fs2, filename, O_SYNC|O_RDWR|O_CREAT);
if (fd2 <= 0) {
ret = -1;
LOG_ERR ("glfs_open-fs2", ret);
}
fprintf (stderr, "glfs-open fd2 - %d\n", fd2);
do {
if (cnt%2) {
fd_tmp = fd;
fs_tmp = fs;
fd_tmp2 = fd2;
fs_tmp2 = fs2;
} else {
fd_tmp = fd2;
fs_tmp = fs2;
fd_tmp2 = fd;
fs_tmp2 = fs;
}
/* WRITE on fd_tmp */
writebuf = malloc(10);
if (writebuf) {
memcpy (writebuf, "abcd", 4);
ret = glfs_write (fd_tmp, writebuf, 4, 0);
if (ret <= 0) {
ret = -1;
LOG_ERR ("glfs_write", ret);
} else {
fprintf (stderr,
"glfs_write suceeded\n");
}
free(writebuf);
} else {
fprintf (stderr,
"Could not allocate writebuf\n");
return -1;
}
/* READ on fd_tmp2 */
ret = glfs_lseek (fd_tmp2, 0, SEEK_SET);
LOG_ERR ("glfs_lseek", ret);
memset (readbuf, 0, sizeof(readbuf));
ret = glfs_pread (fd_tmp2, readbuf, 4, 0, 0, NULL);
if (ret <= 0) {
ret = -1;
LOG_ERR ("glfs_pread", ret);
} else {
fprintf (stderr, "glfs_read: %s\n", readbuf);
}
/* Open() fops seem to be not performed on server side until
* there are I/Os on that fd
*/
if (cnt > 2) {
struct glfs_upcall_inode *in_arg = NULL;
enum glfs_upcall_reason reason = 0;
struct glfs_object *object = NULL;
uint64_t flags = 0;
uint64_t expire = 0;
ret = glfs_h_poll_upcall(fs_tmp, &cbk);
LOG_ERR ("glfs_h_poll_upcall", ret);
reason = glfs_upcall_get_reason (cbk);
/* Expect 'GLFS_INODE_INVALIDATE' upcall event. */
if (reason == GLFS_UPCALL_INODE_INVALIDATE) {
in_arg = glfs_upcall_get_event (cbk);
object = glfs_upcall_inode_get_object (in_arg);
flags = glfs_upcall_inode_get_flags (in_arg);
expire = glfs_upcall_inode_get_expire (in_arg);
fprintf (stderr, " upcall event type - %d,"
" object(%p), flags(%d), "
" expire_time_attr(%d)\n" ,
reason, object, flags, expire);
} else {
fprintf (stderr,
"Didnt receive upcall notify event");
ret = -1;
goto err;
}
glfs_free (cbk);
}
sleep(5);
} while (++cnt < 5);
err:
glfs_close(fd);
LOG_ERR ("glfs_close", ret);
glfs_close(fd2);
LOG_ERR ("glfs_close-fd2", ret);
out:
if (fs) {
ret = glfs_fini(fs);
fprintf (stderr, "glfs_fini(fs) returned %d \n", ret);
}
if (fs2) {
ret = glfs_fini(fs2);
fprintf (stderr, "glfs_fini(fs2) returned %d \n", ret);
}
if (ret)
exit(1);
exit(0);
}
int
main(int argc, char *argv[])
{
glfs_t *fs = NULL;
glfs_t *fs2 = NULL;
int ret = 0, i;
glfs_fd_t *fd = NULL;
char *filename = "/a1";
char *filename2 = "/a2";
struct stat sb = {
0,
};
char *logfile = NULL;
char *volname = NULL;
char *hostname = NULL;
int cnt = 1;
int upcall_received = 0;
struct glfs_upcall *cbk = NULL;
struct glfs_object *root = NULL, *leaf = NULL;
unsigned char globjhdl[GFAPI_HANDLE_LENGTH];
unsigned char globjhdl2[GFAPI_HANDLE_LENGTH];
fprintf(stderr, "Starting libgfapi_fini\n");
if (argc != 4) {
fprintf(stderr, "Invalid argument\n");
exit(1);
}
hostname = argv[1];
volname = argv[2];
logfile = argv[3];
fs = glfs_new(volname);
if (!fs) {
fprintf(stderr, "glfs_new: returned NULL\n");
return 1;
}
ret = glfs_set_volfile_server(fs, "tcp", hostname, 24007);
LOG_ERR("glfs_set_volfile_server", ret);
ret = glfs_set_logging(fs, logfile, 7);
LOG_ERR("glfs_set_logging", ret);
ret = glfs_init(fs);
LOG_ERR("glfs_init", ret);
/* This does not block, but enables caching of events. Real
* applications like NFS-Ganesha run this in a thread before activity
* on the fs (through this instance) happens. */
ret = glfs_h_poll_upcall(fs, &cbk);
LOG_ERR("glfs_h_poll_upcall", ret);
fs2 = glfs_new(volname);
if (!fs) {
fprintf(stderr, "glfs_new: returned NULL\n");
return 1;
}
ret = glfs_set_volfile_server(fs2, "tcp", hostname, 24007);
LOG_ERR("glfs_set_volfile_server", ret);
ret = glfs_set_logging(fs2, logfile, 7);
LOG_ERR("glfs_set_logging", ret);
ret = glfs_init(fs2);
LOG_ERR("glfs_init", ret);
sleep(2);
root = glfs_h_lookupat(fs, NULL, "/", &sb, 0);
if (!root) {
ret = -1;
LOG_ERR("glfs_h_lookupat root", ret);
}
leaf = glfs_h_lookupat(fs, root, filename, &sb, 0);
if (!leaf) {
ret = -1;
LOG_IF_NO_ERR("glfs_h_lookupat leaf", ret);
}
root = glfs_h_lookupat(fs2, NULL, "/", &sb, 0);
if (!root) {
ret = -1;
LOG_ERR("glfs_h_lookupat root", ret);
}
leaf = glfs_h_creat(fs2, root, filename, O_RDWR, 0644, &sb);
if (!leaf) {
ret = -1;
LOG_ERR("glfs_h_lookupat leaf", ret);
}
fprintf(stderr, "glfs_h_create leaf - %p\n", leaf);
while (cnt++ < 5 && !upcall_received) {
enum glfs_upcall_reason reason = 0;
struct glfs_upcall_inode *in_arg = NULL;
ret = glfs_h_poll_upcall(fs, &cbk);
LOG_ERR("glfs_h_poll_upcall", ret);
if (ret)
goto retry;
reason = glfs_upcall_get_reason(cbk);
fprintf(stderr, "Upcall received(%d)\n", reason);
if (reason == GLFS_UPCALL_INODE_INVALIDATE) {
struct glfs_object *object = NULL;
in_arg = glfs_upcall_get_event(cbk);
object = glfs_upcall_inode_get_object(in_arg);
ret = glfs_h_extract_handle(root, globjhdl + GLAPI_UUID_LENGTH,
GFAPI_HANDLE_LENGTH);
LOG_ERR("glfs_h_extract_handle", (ret != 16));
ret = glfs_h_extract_handle(object, globjhdl2 + GLAPI_UUID_LENGTH,
GFAPI_HANDLE_LENGTH);
LOG_ERR("glfs_h_extract_handle", (ret != 16));
if (memcmp(globjhdl + GLAPI_UUID_LENGTH,
globjhdl2 + GLAPI_UUID_LENGTH, 16)) {
fprintf(stderr, "Error: gfid mismatch\n");
exit(1);
}
upcall_received = 1;
}
retry:
if (!upcall_received)
sleep(1); /* glfs_h_poll_upcall() does not block */
if (!ret) {
glfs_free(cbk);
cbk = NULL;
}
}
if (!upcall_received) {
fprintf(stderr, "Error: Upcall not received\n");
exit(1);
}
ret = glfs_fini(fs);
LOG_ERR("glfs_fini", ret);
fprintf(stderr, "End of libgfapi_fini\n");
exit(0);
}