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/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
// vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
// verify that closing the cachetable with prefetches in progress works
#ident "$Id$"
#ident "Copyright (c) 2007-2013 Tokutek Inc. All rights reserved."
#include "test.h"
bool check_flush;
bool expect_full_flush;
bool expect_pe;
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)
) {
assert(expect_full_flush);
}
static int fetch_calls = 0;
static int
fetch (CACHEFILE f __attribute__((__unused__)),
PAIR UU(p),
int UU(fd),
CACHEKEY k __attribute__((__unused__)),
uint32_t fullhash __attribute__((__unused__)),
void **value __attribute__((__unused__)),
void** UU(dd),
PAIR_ATTR *sizep __attribute__((__unused__)),
int *dirtyp __attribute__((__unused__)),
void *extraargs __attribute__((__unused__))
) {
fetch_calls++;
*value = 0;
*sizep = make_pair_attr(8);
*dirtyp = 0;
return 0;
}
static void
pe_est_callback(
void* UU(ftnode_pv),
void* UU(dd),
long* bytes_freed_estimate,
enum partial_eviction_cost *cost,
void* UU(write_extraargs)
)
{
*bytes_freed_estimate = 7;
*cost = PE_EXPENSIVE;
}
static int
pe_callback (
void *ftnode_pv __attribute__((__unused__)),
PAIR_ATTR bytes_to_free __attribute__((__unused__)),
PAIR_ATTR* bytes_freed,
void* extraargs __attribute__((__unused__))
)
{
*bytes_freed = make_pair_attr(bytes_to_free.size-7);
sleep(2);
return 0;
}
static void cachetable_eviction_full_test (void) {
const int test_limit = 12;
int r;
CACHETABLE ct;
toku_cachetable_create(&ct, test_limit, ZERO_LSN, NULL_LOGGER);
const char *fname1 = TOKU_TEST_FILENAME;
unlink(fname1);
CACHEFILE f1;
r = toku_cachetable_openf(&f1, ct, fname1, O_RDWR|O_CREAT, S_IRWXU|S_IRWXG|S_IRWXO); assert(r == 0);
CACHEKEY key = make_blocknum(0);
uint32_t fullhash = toku_cachetable_hash(f1, make_blocknum(0));
void* value1;
long size1;
void* value2;
long size2;
//
// let's pin a node multiple times
// and really bring up its clock count
//
for (int i = 0; i < 20; i++) {
CACHETABLE_WRITE_CALLBACK wc = def_write_callback(NULL);
wc.flush_callback = flush;
wc.pe_est_callback = pe_est_callback;
wc.pe_callback = pe_callback;
r = toku_cachetable_get_and_pin(
f1,
key,
fullhash,
&value1,
&size1,
wc,
fetch,
def_pf_req_callback,
def_pf_callback,
true,
0
);
assert(r==0);
r = toku_test_cachetable_unpin(f1, key, fullhash, CACHETABLE_DIRTY, make_pair_attr(8));
assert(r == 0);
}
expect_full_flush = true;
// now pin a different, causing an eviction
CACHETABLE_WRITE_CALLBACK wc = def_write_callback(NULL);
wc.pe_est_callback = pe_est_callback;
wc.pe_callback = pe_callback;
r = toku_cachetable_get_and_pin(
f1,
make_blocknum(1),
1,
&value2,
&size2,
wc,
fetch,
def_pf_req_callback,
def_pf_callback,
true,
0
);
assert(r==0);
r = toku_test_cachetable_unpin(f1, make_blocknum(1), 1, CACHETABLE_CLEAN, make_pair_attr(1));
assert(r == 0);
toku_cachetable_verify(ct);
// close with the eviction in progress. the close should block until
// all of the reads and writes are complete.
toku_cachefile_close(&f1, false, ZERO_LSN);
toku_cachetable_close(&ct);
}
int
test_main(int argc, const char *argv[]) {
default_parse_args(argc, argv);
cachetable_eviction_full_test();
return 0;
}
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