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225 lines
7.4 KiB
C++
225 lines
7.4 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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//
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// This file contains some basic tests for partial fetch, ensuring that
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// it works correctly
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//
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uint32_t fetch_val = 0;
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bool pf_req_called;
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static int
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fetch (CACHEFILE f __attribute__((__unused__)),
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PAIR UU(p),
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int UU(fd),
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CACHEKEY k __attribute__((__unused__)),
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uint32_t fullhash __attribute__((__unused__)),
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void **value __attribute__((__unused__)),
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void** UU(dd),
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PAIR_ATTR *sizep __attribute__((__unused__)),
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int *dirtyp,
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void *extraargs __attribute__((__unused__))
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) {
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*dirtyp = 0;
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*value = &fetch_val;
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*sizep = make_pair_attr(sizeof(fetch_val));
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return 0;
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}
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static int
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err_fetch (CACHEFILE f __attribute__((__unused__)),
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PAIR UU(p),
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int UU(fd),
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CACHEKEY k __attribute__((__unused__)),
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uint32_t fullhash __attribute__((__unused__)),
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void **value __attribute__((__unused__)),
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void** UU(dd),
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PAIR_ATTR *sizep __attribute__((__unused__)),
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int *dirtyp,
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void *extraargs __attribute__((__unused__))
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) {
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assert(false);
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*dirtyp = 0;
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return 0;
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}
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static bool pf_req_callback(void* UU(ftnode_pv), void* UU(read_extraargs)) {
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return false;
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}
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static bool true_pf_req_callback(void* UU(ftnode_pv), void* UU(read_extraargs)) {
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if (pf_req_called) return false;
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return true;
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}
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static int err_pf_callback(void* UU(ftnode_pv), void* UU(dd), void* UU(read_extraargs), int UU(fd), PAIR_ATTR* UU(sizep)) {
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assert(false);
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return 0; // gcov
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}
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static int pf_callback(void* UU(ftnode_pv), void* UU(dd), void* UU(read_extraargs), int UU(fd), PAIR_ATTR* UU(sizep)) {
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assert(false);
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return 0; // gcov
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}
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static int true_pf_callback(void* UU(ftnode_pv), void* UU(dd), void* read_extraargs, int UU(fd), PAIR_ATTR* sizep) {
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pf_req_called = true;
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*sizep = make_pair_attr(sizeof(fetch_val)+1);
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assert(read_extraargs == &fetch_val);
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return 0;
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}
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static void
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cachetable_test (void) {
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const int test_limit = 12;
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int r;
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CACHETABLE ct;
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bool doing_prefetch = false;
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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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//void* v2;
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long s1;
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//long s2;
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CACHETABLE_WRITE_CALLBACK wc = def_write_callback(NULL);
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r = toku_cachetable_get_and_pin(f1, make_blocknum(1), 1, &v1, &s1, wc, fetch, pf_req_callback, pf_callback, true, NULL);
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assert(&fetch_val == v1);
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//
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// verify that a prefetch of this node will fail
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//
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r = toku_cachefile_prefetch(
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f1,
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make_blocknum(1),
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1,
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wc,
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fetch,
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pf_req_callback,
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pf_callback,
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NULL,
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&doing_prefetch
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);
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assert(r == 0);
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// make sure that prefetch should not happen, because we have already pinned node
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assert(!doing_prefetch);
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r = toku_test_cachetable_unpin(f1, make_blocknum(1), 1, CACHETABLE_CLEAN, make_pair_attr(8));
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//
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// now get and pin node again, and make sure that partial fetch and fetch are not called
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//
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r = toku_cachetable_get_and_pin(f1, make_blocknum(1), 1, &v1, &s1, wc, err_fetch, pf_req_callback, err_pf_callback, true, NULL);
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r = toku_test_cachetable_unpin(f1, make_blocknum(1), 1, CACHETABLE_CLEAN, make_pair_attr(8));
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//
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// now make sure that if we say a partial fetch is required, that we get a partial fetch
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// and that read_extraargs properly passed down
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//
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pf_req_called = false;
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r = toku_cachetable_get_and_pin(f1, make_blocknum(1), 1, &v1, &s1, wc, err_fetch, true_pf_req_callback, true_pf_callback, true, &fetch_val);
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assert(pf_req_called);
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assert(s1 == sizeof(fetch_val)+1);
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r = toku_test_cachetable_unpin(f1, make_blocknum(1), 1, CACHETABLE_CLEAN, make_pair_attr(8));
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// close and reopen cachefile so we can do some simple prefetch tests
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toku_cachefile_close(&f1, false, ZERO_LSN);
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toku_cachetable_close(&ct);
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toku_cachetable_create(&ct, test_limit, ZERO_LSN, nullptr);
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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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//
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// verify that a prefetch of the node will succeed
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//
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r = toku_cachefile_prefetch(
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f1,
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make_blocknum(1),
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1,
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wc,
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fetch,
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pf_req_callback,
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pf_callback,
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NULL,
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&doing_prefetch
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);
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assert(r == 0);
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// make sure that prefetch should happen, because we have already pinned node
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assert(doing_prefetch);
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//
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// now verify we can pin it, and NO fetch callback should get called
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//
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r = toku_cachetable_get_and_pin(f1, make_blocknum(1), 1, &v1, &s1, wc, err_fetch, pf_req_callback, err_pf_callback, true, NULL);
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assert(&fetch_val == v1);
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r = toku_test_cachetable_unpin(f1, make_blocknum(1), 1, CACHETABLE_CLEAN, make_pair_attr(8));
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//
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// now verify a prefetch that requires a partial fetch works, and that we can then pin the node
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//
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pf_req_called = false;
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r = toku_cachefile_prefetch(
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f1,
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make_blocknum(1),
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1,
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wc,
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fetch,
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true_pf_req_callback,
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true_pf_callback,
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&fetch_val,
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&doing_prefetch
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);
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assert(doing_prefetch);
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r = toku_cachetable_get_and_pin(f1, make_blocknum(1), 1, &v1, &s1, wc, err_fetch, pf_req_callback, err_pf_callback, true, NULL);
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assert(&fetch_val == v1);
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r = toku_test_cachetable_unpin(f1, make_blocknum(1), 1, CACHETABLE_CLEAN, make_pair_attr(8));
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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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cachetable_test();
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return 0;
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}
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