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155 lines
6 KiB
C++
155 lines
6 KiB
C++
/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
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// vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
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#ident "$Id$"
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/*======
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This file is part of PerconaFT.
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Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
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PerconaFT is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2,
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as published by the Free Software Foundation.
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PerconaFT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with PerconaFT. If not, see <http://www.gnu.org/licenses/>.
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----------------------------------------
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PerconaFT is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License, version 3,
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as published by the Free Software Foundation.
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PerconaFT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with PerconaFT. If not, see <http://www.gnu.org/licenses/>.
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======= */
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#ident "Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved."
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#include "test.h"
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static void
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flush (CACHEFILE f __attribute__((__unused__)),
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int UU(fd),
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CACHEKEY k __attribute__((__unused__)),
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void *v __attribute__((__unused__)),
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void** UU(dd),
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void *e __attribute__((__unused__)),
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PAIR_ATTR s __attribute__((__unused__)),
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PAIR_ATTR* new_size __attribute__((__unused__)),
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bool w __attribute__((__unused__)),
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bool keep __attribute__((__unused__)),
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bool c __attribute__((__unused__)),
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bool UU(is_clone)
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) {
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if (w) {
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assert(c);
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assert(keep);
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}
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}
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static void kibbutz_work(void *fe_v)
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{
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CACHEFILE CAST_FROM_VOIDP(f1, fe_v);
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sleep(2);
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int r = toku_test_cachetable_unpin(f1, make_blocknum(1), 1, CACHETABLE_CLEAN, make_pair_attr(8));
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assert(r==0);
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remove_background_job_from_cf(f1);
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}
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static void
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unlock_dummy (void* UU(v)) {
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}
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static void reset_unlockers(UNLOCKERS unlockers) {
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unlockers->locked = true;
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}
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static void
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run_case_that_should_succeed(CACHEFILE f1, pair_lock_type first_lock, pair_lock_type second_lock) {
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void* v1;
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CACHETABLE_WRITE_CALLBACK wc = def_write_callback(NULL);
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wc.flush_callback = flush;
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struct unlockers unlockers = {true, unlock_dummy, NULL, NULL};
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int r = toku_cachetable_get_and_pin_nonblocking(f1, make_blocknum(1), 1, &v1, wc, def_fetch, def_pf_req_callback, def_pf_callback, first_lock, NULL, NULL);
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assert(r==0);
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cachefile_kibbutz_enq(f1, kibbutz_work, f1);
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reset_unlockers(&unlockers);
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r = toku_cachetable_get_and_pin_nonblocking(f1, make_blocknum(1), 1, &v1, wc, def_fetch, def_pf_req_callback, def_pf_callback, second_lock, NULL, &unlockers);
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assert(r==0); assert(unlockers.locked);
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r = toku_test_cachetable_unpin(f1, make_blocknum(1), 1, CACHETABLE_CLEAN, make_pair_attr(8)); assert(r==0);
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}
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static void
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run_case_that_should_fail(CACHEFILE f1, pair_lock_type first_lock, pair_lock_type second_lock) {
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void* v1;
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CACHETABLE_WRITE_CALLBACK wc = def_write_callback(NULL);
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wc.flush_callback = flush;
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struct unlockers unlockers = {true, unlock_dummy, NULL, NULL};
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int r = toku_cachetable_get_and_pin_nonblocking(f1, make_blocknum(1), 1, &v1, wc, def_fetch, def_pf_req_callback, def_pf_callback, first_lock, NULL, NULL);
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assert(r==0);
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cachefile_kibbutz_enq(f1, kibbutz_work, f1);
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reset_unlockers(&unlockers);
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r = toku_cachetable_get_and_pin_nonblocking(f1, make_blocknum(1), 1, &v1, wc, def_fetch, def_pf_req_callback, def_pf_callback, second_lock, NULL, &unlockers);
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assert(r == TOKUDB_TRY_AGAIN); assert(!unlockers.locked);
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}
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static void
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run_test (void) {
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// sometimes the cachetable evictor runs during the test. this sometimes causes cachetable pair locking contention,
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// which results with a TOKUDB_TRY_AGAIN error occurring. unfortunately, the test does not expect this and fails.
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// set cachetable size limit to a value big enough so that the cachetable evictor is not triggered during the test.
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const int test_limit = 100;
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int r;
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CACHETABLE ct;
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toku_cachetable_create(&ct, test_limit, ZERO_LSN, nullptr);
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const char *fname1 = TOKU_TEST_FILENAME;
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unlink(fname1);
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CACHEFILE f1;
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r = toku_cachetable_openf(&f1, ct, fname1, O_RDWR|O_CREAT, S_IRWXU|S_IRWXG|S_IRWXO); assert(r == 0);
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void* v1;
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CACHETABLE_WRITE_CALLBACK wc = def_write_callback(NULL);
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wc.flush_callback = flush;
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//
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// test that if we are getting a PAIR for the first time that TOKUDB_TRY_AGAIN is returned
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// because the PAIR was not in the cachetable.
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//
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r = toku_cachetable_get_and_pin_nonblocking(f1, make_blocknum(1), 1, &v1, wc, def_fetch, def_pf_req_callback, def_pf_callback, PL_WRITE_EXPENSIVE, NULL, NULL);
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assert(r==TOKUDB_TRY_AGAIN);
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run_case_that_should_succeed(f1, PL_READ, PL_WRITE_CHEAP);
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run_case_that_should_succeed(f1, PL_READ, PL_WRITE_EXPENSIVE);
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run_case_that_should_succeed(f1, PL_WRITE_CHEAP, PL_READ);
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run_case_that_should_succeed(f1, PL_WRITE_CHEAP, PL_WRITE_CHEAP);
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run_case_that_should_succeed(f1, PL_WRITE_CHEAP, PL_WRITE_EXPENSIVE);
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run_case_that_should_fail(f1, PL_WRITE_EXPENSIVE, PL_READ);
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run_case_that_should_fail(f1, PL_WRITE_EXPENSIVE, PL_WRITE_CHEAP);
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run_case_that_should_fail(f1, PL_WRITE_EXPENSIVE, PL_WRITE_EXPENSIVE);
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toku_cachetable_verify(ct);
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toku_cachefile_close(&f1, false, ZERO_LSN);
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toku_cachetable_close(&ct);
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}
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int
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test_main(int argc, const char *argv[]) {
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default_parse_args(argc, argv);
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run_test();
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return 0;
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}
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