/*
* Get the next object to backup.
* - Get the next objectname from the list iterator.
* - Check using AcceptFile if it matches the fileset.
*/
static bRC get_next_object_to_backup(bpContext *ctx)
{
int status;
struct save_pkt sp;
plugin_ctx *p_ctx = (plugin_ctx *)ctx->pContext;
while (1) {
#if defined(HAVE_RADOS_NAMESPACES) && defined(HAVE_RADOS_NOBJECTS_LIST)
status = rados_nobjects_list_next(p_ctx->list_iterator, &p_ctx->object_name, NULL, NULL);
#else
status = rados_objects_list_next(p_ctx->list_iterator, &p_ctx->object_name, NULL);
#endif
if (status < 0) {
berrno be;
switch (status) {
case -ENOENT:
#if defined(HAVE_RADOS_NAMESPACES) && defined(HAVE_RADOS_NOBJECTS_LIST)
rados_nobjects_list_close(p_ctx->list_iterator);
#else
rados_objects_list_close(p_ctx->list_iterator);
#endif
p_ctx->list_iterator = NULL;
return bRC_OK;
default:
#if defined(HAVE_RADOS_NAMESPACES) && defined(HAVE_RADOS_NOBJECTS_LIST)
Jmsg(ctx, M_ERROR, "rados_nobjects_list_next() failed: %s\n", be.bstrerror(-status));
#else
Jmsg(ctx, M_ERROR, "rados_objects_list_next() failed: %s\n", be.bstrerror(-status));
#endif
return bRC_Error;
}
} else {
Mmsg(p_ctx->next_filename, "%s/%s", p_ctx->rados_poolname, p_ctx->object_name);
}
/*
* See if we accept this file under the currently loaded fileset.
*/
memset(&sp, 0, sizeof(sp));
sp.pkt_size = sizeof(sp);
sp.pkt_end = sizeof(sp);
sp.fname = p_ctx->next_filename;
sp.statp.st_mode = 0700 | S_IFREG;
if (bfuncs->AcceptFile(ctx, &sp) == bRC_Skip) {
continue;
}
status = rados_stat(p_ctx->ioctx, p_ctx->object_name,
&p_ctx->object_size, &p_ctx->object_mtime);
if (status < 0) {
berrno be;
Jmsg(ctx, M_ERROR, "rados_stat(%s) failed: %s\n", p_ctx->object_name, be.bstrerror(-status));
return bRC_Error;
}
/*
* If we made it here we have the next object to backup.
*/
break;
}
return bRC_More;
}
static int testrados(void)
{
char tmp[32];
int i, r;
int ret = 1; //set 1 as error case
rados_t cl;
if (rados_create(&cl, NULL) < 0) {
printf("error initializing\n");
return 1;
}
if (rados_conf_read_file(cl, NULL)) {
printf("error reading configuration file\n");
goto out_err;
}
// Try to set a configuration option that doesn't exist.
// This should fail.
if (!rados_conf_set(cl, "config option that doesn't exist",
"some random value")) {
printf("error: succeeded in setting nonexistent config option\n");
goto out_err;
}
if (rados_conf_get(cl, "log to stderr", tmp, sizeof(tmp))) {
printf("error: failed to read log_to_stderr from config\n");
goto out_err;
}
// Can we change it?
if (rados_conf_set(cl, "log to stderr", "true")) {
printf("error: error setting log_to_stderr\n");
goto out_err;
}
if (rados_conf_get(cl, "log to stderr", tmp, sizeof(tmp))) {
printf("error: failed to read log_to_stderr from config\n");
goto out_err;
}
if (strcmp(tmp, "true")) {
printf("error: new setting for log_to_stderr failed to take effect.\n");
goto out_err;
}
if (rados_connect(cl)) {
printf("error connecting\n");
goto out_err;
}
if (rados_connect(cl) == 0) {
printf("second connect attempt didn't return an error\n");
goto out_err;
}
/* create an io_ctx */
r = rados_pool_create(cl, "foo");
printf("rados_pool_create = %d\n", r);
rados_ioctx_t io_ctx;
r = rados_ioctx_create(cl, "foo", &io_ctx);
if (r < 0) {
printf("error creating ioctx\n");
goto out_err;
}
printf("rados_ioctx_create = %d, io_ctx = %p\n", r, io_ctx);
/* list all pools */
{
int buf_sz = rados_pool_list(cl, NULL, 0);
printf("need buffer size of %d\n", buf_sz);
char buf[buf_sz];
int r = rados_pool_list(cl, buf, buf_sz);
if (r != buf_sz) {
printf("buffer size mismatch: got %d the first time, but %d "
"the second.\n", buf_sz, r);
goto out_err_cleanup;
}
const char *b = buf;
printf("begin pools.\n");
while (1) {
if (b[0] == '\0')
break;
printf(" pool: '%s'\n", b);
b += strlen(b) + 1;
};
printf("end pools.\n");
}
/* stat */
struct rados_pool_stat_t st;
r = rados_ioctx_pool_stat(io_ctx, &st);
printf("rados_ioctx_pool_stat = %d, %lld KB, %lld objects\n", r, (long long)st.num_kb, (long long)st.num_objects);
/* snapshots */
r = rados_ioctx_snap_create(io_ctx, "snap1");
printf("rados_ioctx_snap_create snap1 = %d\n", r);
rados_snap_t snaps[10];
r = rados_ioctx_snap_list(io_ctx, snaps, 10);
for (i=0; i<r; i++) {
char name[100];
rados_ioctx_snap_get_name(io_ctx, snaps[i], name, sizeof(name));
printf("rados_ioctx_snap_list got snap %lld %s\n", (long long)snaps[i], name);
}
rados_snap_t snapid;
r = rados_ioctx_snap_lookup(io_ctx, "snap1", &snapid);
printf("rados_ioctx_snap_lookup snap1 got %lld, result %d\n", (long long)snapid, r);
r = rados_ioctx_snap_remove(io_ctx, "snap1");
printf("rados_ioctx_snap_remove snap1 = %d\n", r);
/* sync io */
time_t tm;
char buf[128], buf2[128];
time(&tm);
snprintf(buf, 128, "%s", ctime(&tm));
const char *oid = "foo_object";
r = rados_write(io_ctx, oid, buf, strlen(buf) + 1, 0);
printf("rados_write = %d\n", r);
r = rados_read(io_ctx, oid, buf2, sizeof(buf2), 0);
printf("rados_read = %d\n", r);
if (memcmp(buf, buf2, r))
printf("*** content mismatch ***\n");
/* attrs */
if (do_rados_setxattr(io_ctx, oid, "b", "2"))
goto out_err_cleanup;
if (do_rados_setxattr(io_ctx, oid, "a", "1"))
goto out_err_cleanup;
if (do_rados_setxattr(io_ctx, oid, "c", "3"))
goto out_err_cleanup;
if (do_rados_getxattr(io_ctx, oid, "a", "1"))
goto out_err_cleanup;
if (do_rados_getxattr(io_ctx, oid, "b", "2"))
goto out_err_cleanup;
if (do_rados_getxattr(io_ctx, oid, "c", "3"))
goto out_err_cleanup;
const char *exkeys[] = { "a", "b", "c", NULL };
const char *exvals[] = { "1", "2", "3", NULL };
if (do_rados_getxattrs(io_ctx, oid, exkeys, exvals))
goto out_err_cleanup;
uint64_t size;
time_t mtime;
r = rados_stat(io_ctx, oid, &size, &mtime);
printf("rados_stat size = %lld mtime = %d = %d\n", (long long)size, (int)mtime, r);
r = rados_stat(io_ctx, "does_not_exist", NULL, NULL);
printf("rados_stat(does_not_exist) = %d\n", r);
/* exec */
rados_exec(io_ctx, oid, "crypto", "md5", buf, strlen(buf) + 1, buf, 128);
printf("exec result=%s\n", buf);
r = rados_read(io_ctx, oid, buf2, 128, 0);
printf("read result=%s\n", buf2);
printf("size=%d\n", r);
/* aio */
rados_completion_t a, b;
rados_aio_create_completion(0, 0, 0, &a);
rados_aio_create_completion(0, 0, 0, &b);
rados_aio_write(io_ctx, "a", a, buf, 100, 0);
rados_aio_write(io_ctx, "../b/bb_bb_bb\\foo\\bar", b, buf, 100, 0);
rados_aio_wait_for_safe(a);
printf("a safe\n");
rados_aio_wait_for_safe(b);
printf("b safe\n");
rados_aio_release(a);
rados_aio_release(b);
/* test flush */
printf("testing aio flush\n");
rados_completion_t c;
rados_aio_create_completion(0, 0, 0, &c);
rados_aio_write(io_ctx, "c", c, buf, 100, 0);
int safe = rados_aio_is_safe(c);
printf("a should not yet be safe and ... %s\n", safe ? "is":"is not");
assert(!safe);
rados_aio_flush(io_ctx);
safe = rados_aio_is_safe(c);
printf("a should be safe and ... %s\n", safe ? "is":"is not");
assert(safe);
rados_aio_release(c);
rados_read(io_ctx, "../b/bb_bb_bb\\foo\\bar", buf2, 128, 0);
/* list objects */
rados_list_ctx_t h;
r = rados_nobjects_list_open(io_ctx, &h);
printf("rados_nobjects_list_open = %d, h = %p\n", r, h);
const char *poolname;
while (rados_nobjects_list_next(h, &poolname, NULL, NULL) == 0)
printf("rados_nobjects_list_next got object '%s'\n", poolname);
rados_nobjects_list_close(h);
/* stat */
r = rados_ioctx_pool_stat(io_ctx, &st);
printf("rados_stat_pool = %d, %lld KB, %lld objects\n", r, (long long)st.num_kb, (long long)st.num_objects);
ret = 0;
out_err_cleanup:
/* delete a pool */
rados_ioctx_destroy(io_ctx);
r = rados_pool_delete(cl, "foo");
printf("rados_delete_pool = %d\n", r);
out_err:
rados_shutdown(cl);
return ret;
}