1 /* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
2 // vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
3 #ident "$Id$"
4 /*======
5 This file is part of PerconaFT.
6 
7 
8 Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
9 
10     PerconaFT is free software: you can redistribute it and/or modify
11     it under the terms of the GNU General Public License, version 2,
12     as published by the Free Software Foundation.
13 
14     PerconaFT is distributed in the hope that it will be useful,
15     but WITHOUT ANY WARRANTY; without even the implied warranty of
16     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17     GNU General Public License for more details.
18 
19     You should have received a copy of the GNU General Public License
20     along with PerconaFT.  If not, see <http://www.gnu.org/licenses/>.
21 
22 ----------------------------------------
23 
24     PerconaFT is free software: you can redistribute it and/or modify
25     it under the terms of the GNU Affero General Public License, version 3,
26     as published by the Free Software Foundation.
27 
28     PerconaFT is distributed in the hope that it will be useful,
29     but WITHOUT ANY WARRANTY; without even the implied warranty of
30     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
31     GNU Affero General Public License for more details.
32 
33     You should have received a copy of the GNU Affero General Public License
34     along with PerconaFT.  If not, see <http://www.gnu.org/licenses/>.
35 ======= */
36 
37 #ident "Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved."
38 
39 #include "test.h"
40 
41 //
42 // This test verifies that the cleaner thread doesn't call the callback if
43 // nothing needs flushing.
44 //
45 
46 CACHEFILE f1;
47 bool my_cleaner_callback_called;
48 
49 static int
my_cleaner_callback(void * UU (ftnode_pv),BLOCKNUM blocknum,uint32_t fullhash,void * UU (extraargs))50 my_cleaner_callback(
51     void* UU(ftnode_pv),
52     BLOCKNUM blocknum,
53     uint32_t fullhash,
54     void* UU(extraargs)
55     )
56 {
57     PAIR_ATTR attr = make_pair_attr(8);
58     attr.cache_pressure_size = 0;
59     int r = toku_test_cachetable_unpin(f1, blocknum, fullhash, CACHETABLE_CLEAN, attr);
60     my_cleaner_callback_called = true;
61     return r;
62 }
63 
64 // point of this test is to have two pairs that have the same fullhash,
65 // and therefore, the same bucket mutex
66 static void
run_test(void)67 run_test (void) {
68     const int test_limit = 1000;
69     int r;
70     CACHETABLE ct;
71     toku_cachetable_create(&ct, test_limit, ZERO_LSN, nullptr);
72     my_cleaner_callback_called = false;
73 
74     const char *fname1 = TOKU_TEST_FILENAME;
75     unlink(fname1);
76     r = toku_cachetable_openf(&f1, ct, fname1, O_RDWR|O_CREAT, S_IRWXU|S_IRWXG|S_IRWXO); assert(r == 0);
77 
78     void* vs[5];
79     CACHETABLE_WRITE_CALLBACK wc = def_write_callback(NULL);
80     wc.cleaner_callback = my_cleaner_callback;
81     r = toku_cachetable_get_and_pin(f1, make_blocknum(1), 1, &vs[0],
82                                     wc,
83                                     def_fetch,
84                                     def_pf_req_callback,
85                                     def_pf_callback,
86                                     true,
87                                     NULL);
88     PAIR_ATTR attr = make_pair_attr(8);
89     attr.cache_pressure_size = 100;
90     r = toku_test_cachetable_unpin(f1, make_blocknum(1), 1, CACHETABLE_CLEAN, attr);
91 
92     r = toku_cachetable_get_and_pin(f1, make_blocknum(2), 1, &vs[1],
93                                     wc,
94                                     def_fetch,
95                                     def_pf_req_callback,
96                                     def_pf_callback,
97                                     true,
98                                     NULL);
99     attr = make_pair_attr(8);
100     attr.cache_pressure_size = 50;
101     r = toku_test_cachetable_unpin(f1, make_blocknum(2), 1, CACHETABLE_CLEAN, attr);
102 
103     toku_cleaner_thread_for_test(ct);
104 
105     assert(my_cleaner_callback_called);
106 
107     toku_cachetable_verify(ct);
108     toku_cachefile_close(&f1, false, ZERO_LSN);
109     toku_cachetable_close(&ct);
110 }
111 
112 int
test_main(int argc,const char * argv[])113 test_main(int argc, const char *argv[]) {
114   default_parse_args(argc, argv);
115   run_test();
116   return 0;
117 }
118