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 UU (blocknum),uint32_t UU (fullhash),void * UU (extraargs))50 my_cleaner_callback(
51     void* UU(ftnode_pv),
52     BLOCKNUM UU(blocknum),
53     uint32_t UU(fullhash),
54     void* UU(extraargs)
55     )
56 {
57     assert(blocknum.b == 100);  // everything is pinned so this should never be called
58     assert(fullhash == 100);
59     PAIR_ATTR attr = make_pair_attr(8);
60     attr.cache_pressure_size = 100;
61     int r = toku_test_cachetable_unpin(f1, make_blocknum(100), 100, CACHETABLE_CLEAN, attr);
62     my_cleaner_callback_called = true;
63     return r;
64 }
65 
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     toku_set_cleaner_period(ct, 1);
73     my_cleaner_callback_called = false;
74 
75     const char *fname1 = TOKU_TEST_FILENAME;
76     unlink(fname1);
77     r = toku_cachetable_openf(&f1, ct, fname1, O_RDWR|O_CREAT, S_IRWXU|S_IRWXG|S_IRWXO); assert(r == 0);
78 
79     void* vs[5];
80     CACHETABLE_WRITE_CALLBACK wc = def_write_callback(NULL);
81     wc.cleaner_callback = my_cleaner_callback;
82     r = toku_cachetable_get_and_pin(f1, make_blocknum(100), 100, &vs[4],
83                                     wc,
84                                     def_fetch,
85                                     def_pf_req_callback,
86                                     def_pf_callback,
87                                     true,
88                                     NULL);
89     PAIR_ATTR attr = make_pair_attr(8);
90     attr.cache_pressure_size = 100;
91     r = toku_test_cachetable_unpin(f1, make_blocknum(100), 100, CACHETABLE_CLEAN, attr);
92 
93     for (int i = 0; i < 4; ++i) {
94         r = toku_cachetable_get_and_pin(f1, make_blocknum(i+1), i+1, &vs[i],
95                                         wc,
96                                         def_fetch,
97                                         def_pf_req_callback,
98                                         def_pf_callback,
99                                         true,
100                                         NULL);
101         assert_zero(r);
102         // set cachepressure_size to 0
103         attr = make_pair_attr(8);
104         attr.cache_pressure_size = 0;
105         r = toku_test_cachetable_unpin(f1, make_blocknum(i+1), i+1, CACHETABLE_CLEAN, attr);
106         assert_zero(r);
107     }
108 
109     usleep(4000000);
110     assert(my_cleaner_callback_called);
111 
112     toku_cachetable_verify(ct);
113     toku_cachefile_close(&f1, false, ZERO_LSN);
114     toku_cachetable_close(&ct);
115 }
116 
117 int
test_main(int argc,const char * argv[])118 test_main(int argc, const char *argv[]) {
119   default_parse_args(argc, argv);
120   run_test();
121   return 0;
122 }
123