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95 lines
3.6 KiB
C++
95 lines
3.6 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: cachetable-simple-pin-nonblocking.cc 46977 2012-08-19 01:56:34Z zardosht $"
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#ident "Copyright (c) 2007-2012 Tokutek Inc. All rights reserved."
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#include "includes.h"
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#include "test.h"
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bool pf_called;
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static bool true_pf_req_callback(void* UU(ftnode_pv), void* UU(read_extraargs)) {
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if (pf_called) return false;
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return true;
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}
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static int true_pf_callback(void* UU(ftnode_pv), void* UU(dd), void* UU(read_extraargs), int UU(fd), PAIR_ATTR* sizep) {
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*sizep = make_pair_attr(9);
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pf_called = true;
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return 0;
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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 (PAIR UU(p), 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_test (pair_lock_type lock_type) {
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const int test_limit = 12;
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struct unlockers unlockers = {true, unlock_dummy, NULL, NULL};
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int r;
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CACHETABLE ct;
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toku_cachetable_create(&ct, test_limit, ZERO_LSN, NULL_LOGGER);
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char fname1[] = __SRCFILE__ "test1.dat";
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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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long s1;
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CACHETABLE_WRITE_CALLBACK wc = def_write_callback(NULL);
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r = toku_cachetable_get_and_pin_with_dep_pairs(f1, make_blocknum(1), 1, &v1, &s1, wc, def_fetch, def_pf_req_callback, def_pf_callback, lock_type, NULL, 0, NULL, NULL);
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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, &s1, wc, def_fetch, def_pf_req_callback, def_pf_callback, PL_WRITE_EXPENSIVE, NULL, &unlockers);
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// to fix #5393, we changed behavior on full fetch where if we
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// requested a PL_WRITE_CHEAP, and had to grab a PL_WRITE_EXPENSIVE for
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// a full fetch, we keep it as a PL_WRITE_EXPENSIVE because downgrading back
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// was too big a pain.
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if (lock_type == PL_WRITE_EXPENSIVE || lock_type == PL_WRITE_CHEAP) {
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assert(r == TOKUDB_TRY_AGAIN); assert(!unlockers.locked);
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}
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else {
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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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// now do the same test with a partial fetch required
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pf_called = false;
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r = toku_cachetable_get_and_pin_with_dep_pairs(f1, make_blocknum(1), 1, &v1, &s1, wc, def_fetch, true_pf_req_callback, true_pf_callback, lock_type, NULL, 0, NULL, NULL);
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assert(pf_called);
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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, &s1, wc, def_fetch, def_pf_req_callback, def_pf_callback, PL_WRITE_EXPENSIVE, NULL, &unlockers);
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if (lock_type == PL_WRITE_EXPENSIVE) {
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assert(r == TOKUDB_TRY_AGAIN); assert(!unlockers.locked);
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}
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else {
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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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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(PL_READ);
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run_test(PL_WRITE_CHEAP);
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run_test(PL_WRITE_EXPENSIVE);
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return 0;
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}
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