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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software
* Foundation. See file COPYING.
*
*/
#include "include/rados/librados.h"
#include <assert.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
static int do_rados_setxattr(rados_ioctx_t io_ctx, const char *oid,
const char *key, const char *val)
{
int ret = rados_setxattr(io_ctx, oid, key, val, strlen(val) + 1);
if (ret < 0) {
printf("rados_setxattr failed with error %d\n", ret);
return 1;
}
printf("rados_setxattr %s=%s\n", key, val);
return 0;
}
static int do_rados_getxattr(rados_ioctx_t io_ctx, const char *oid,
const char *key, const char *expected)
{
size_t blen = strlen(expected) + 1;
char buf[blen];
memset(buf, 0, sizeof(buf));
int r = rados_getxattr(io_ctx, oid, key, buf, blen);
if (r < 0) {
printf("rados_getxattr(%s) failed with error %d\n", key, r);
return 1;
}
if (strcmp(buf, expected) != 0) {
printf("rados_getxattr(%s) got wrong result! "
"expected: '%s'. got '%s'\n", key, expected, buf);
return 1;
}
printf("rados_getxattr %s=%s\n", key, buf);
return 0;
}
static int do_rados_getxattrs(rados_ioctx_t io_ctx, const char *oid,
const char **exkeys, const char **exvals)
{
rados_xattrs_iter_t iter;
int nval = 0, i, nfound = 0, r = 0, ret = 1;
for (i = 0; exvals[i]; ++i) {
++nval;
}
r = rados_getxattrs(io_ctx, oid, &iter);
if (r) {
printf("rados_getxattrs(%s) failed with error %d\n", oid, r);
return 1;
}
while (1) {
size_t len;
const char *key, *val;
r = rados_getxattrs_next(iter, &key, &val, &len);
if (r) {
printf("rados_getxattrs(%s): rados_getxattrs_next "
"returned error %d\n", oid, r);
goto out_err;
}
if (!key)
break;
for (i = 0; i < nval; ++i) {
if (strcmp(exkeys[i], key))
continue;
if ((len == strlen(exvals[i]) + 1) && (val != NULL) && (!strcmp(exvals[i], val))) {
nfound++;
break;
}
printf("rados_getxattrs(%s): got key %s, but the "
"value was %s rather than %s.\n",
oid, key, val, exvals[i]);
goto out_err;
}
}
if (nfound != nval) {
printf("rados_getxattrs(%s): only found %d extended attributes. "
"Expected %d\n", oid, nfound, nval);
goto out_err;
}
ret = 0;
printf("rados_getxattrs(%s)\n", oid);
out_err:
rados_getxattrs_end(iter);
return ret;
}
static int testrados(void)
{
char tmp[32];
int i, r, safe;
int ret = 1; //set 1 as error case
rados_t cl;
const char *oid = "foo_object";
const char *exkeys[] = { "a", "b", "c", NULL };
const char *exvals[] = { "1", "2", "3", NULL };
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));
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;
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_completion2(NULL, NULL, &a);
rados_aio_create_completion2(NULL, NULL, &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_complete(a);
printf("a safe\n");
rados_aio_wait_for_complete(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_completion2(NULL, NULL, &c);
rados_aio_write(io_ctx, "c", c, buf, 100, 0);
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_next2(h, &poolname, NULL, NULL, NULL, NULL, NULL) == 0)
printf("rados_nobjects_list_next2 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;
}
int main(int argc, const char **argv)
{
return testrados();
}
|
