mariadb/ft/tests/cachetable-clone-partial-fetch-pinned-node.cc
Zardosht Kasheff 7ea6dd4171 refs #4606, merge to main
git-svn-id: file:///svn/toku/tokudb@46797 c7de825b-a66e-492c-adef-691d508d4ae1
2013-04-17 00:01:03 -04:00

114 lines
3.5 KiB
C++

/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
// vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
#ident "$Id$"
#ident "Copyright (c) 2007-2012 Tokutek Inc. All rights reserved."
#include "includes.h"
#include "test.h"
bool flush_completed;
bool pf_called;
static void
clone_callback(void* UU(value_data), void** cloned_value_data, PAIR_ATTR* new_attr, bool UU(for_checkpoint), void* UU(write_extraargs))
{
*cloned_value_data = (void *)1;
new_attr->is_valid = false;
}
static void
flush (
CACHEFILE f __attribute__((__unused__)),
int UU(fd),
CACHEKEY k __attribute__((__unused__)),
void *v __attribute__((__unused__)),
void** UU(dd),
void *e __attribute__((__unused__)),
PAIR_ATTR s __attribute__((__unused__)),
PAIR_ATTR* new_size __attribute__((__unused__)),
bool w __attribute__((__unused__)),
bool keep __attribute__((__unused__)),
bool c __attribute__((__unused__)),
bool UU(is_clone)
)
{
if (is_clone) {
usleep(2*1024*1024);
flush_completed = true;
}
}
static int true_pf_callback(void* UU(ftnode_pv), void* UU(dd), void* UU(read_extraargs), int UU(fd), PAIR_ATTR* sizep) {
assert(flush_completed);
pf_called = true;
*sizep = make_pair_attr(9);
return 0;
}
// this test verifies that a partial fetch will wait for a cloned pair to complete
// writing to disk
static void
cachetable_test (void) {
const int test_limit = 12;
int r;
CACHETABLE ct;
r = toku_create_cachetable(&ct, test_limit, ZERO_LSN, NULL_LOGGER); assert(r == 0);
char fname1[] = __SRCFILE__ "test1.dat";
unlink(fname1);
CACHEFILE f1;
r = toku_cachetable_openf(&f1, ct, fname1, O_RDWR|O_CREAT, S_IRWXU|S_IRWXG|S_IRWXO); assert(r == 0);
void* v1;
long s1;
CACHETABLE_WRITE_CALLBACK wc = def_write_callback(NULL);
wc.clone_callback = clone_callback;
wc.flush_callback = flush;
r = toku_cachetable_get_and_pin(f1, make_blocknum(1), 1, &v1, &s1, wc, def_fetch, def_pf_req_callback, def_pf_callback, true, NULL);
assert_zero(r);
r = toku_test_cachetable_unpin(f1, make_blocknum(1), 1, CACHETABLE_DIRTY, make_pair_attr(8));
assert_zero(r);
flush_completed = false;
CHECKPOINTER cp = toku_cachetable_get_checkpointer(ct);
r = toku_cachetable_begin_checkpoint(cp, NULL); assert_zero(r);
assert_zero(r);
r = toku_cachetable_get_and_pin(f1, make_blocknum(1), 1, &v1, &s1, wc, def_fetch, def_pf_req_callback, def_pf_callback, true, NULL);
assert_zero(r);
r = toku_test_cachetable_unpin(f1, make_blocknum(1), 1, CACHETABLE_CLEAN, make_pair_attr(8));
assert_zero(r);
pf_called = false;
r = toku_cachetable_get_and_pin(f1, make_blocknum(1), 1, &v1, &s1, wc, def_fetch, def_pf_req_callback, def_pf_callback, true, NULL);
assert_zero(r);
assert(!pf_called);
toku_cachetable_pf_pinned_pair(v1, true_pf_callback, NULL, f1, make_blocknum(1), 1);
assert(pf_called);
r = toku_test_cachetable_unpin(f1, make_blocknum(1), 1, CACHETABLE_CLEAN, make_pair_attr(8));
assert_zero(r);
assert(pf_called);
r = toku_cachetable_end_checkpoint(
cp,
NULL,
NULL,
NULL
);
assert_zero(r);
toku_cachetable_verify(ct);
r = toku_cachefile_close(&f1, 0, false, ZERO_LSN); assert(r == 0);
r = toku_cachetable_close(&ct); lazy_assert_zero(r);
}
int
test_main(int argc, const char *argv[]) {
default_parse_args(argc, argv);
cachetable_test();
return 0;
}