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 static void
cachetable_unpin_test(int n)43 cachetable_unpin_test (int n) {
44 const int test_limit = 2*n;
45 int r;
46 CACHETABLE ct;
47 toku_cachetable_create(&ct, test_limit, ZERO_LSN, nullptr);
48 const char *fname1 = TOKU_TEST_FILENAME;
49 unlink(fname1);
50 CACHEFILE f1;
51 r = toku_cachetable_openf(&f1, ct, fname1, O_RDWR|O_CREAT, S_IRWXU|S_IRWXG|S_IRWXO); assert(r == 0);
52
53 int i;
54 for (i=1; i<=n; i++) {
55 uint32_t hi;
56 CACHETABLE_WRITE_CALLBACK wc = def_write_callback(NULL);
57 hi = toku_cachetable_hash(f1, make_blocknum(i));
58 toku_cachetable_put(f1, make_blocknum(i), hi, (void *)(long)i, make_pair_attr(1), wc, put_callback_nop);
59 assert(toku_cachefile_count_pinned(f1, 0) == i);
60
61 void *v;
62 r = toku_cachetable_maybe_get_and_pin(f1, make_blocknum(i), hi, PL_WRITE_EXPENSIVE, &v);
63 assert(r == -1);
64 assert(toku_cachefile_count_pinned(f1, 0) == i);
65
66 //r = toku_test_cachetable_unpin(f1, make_blocknum(i), hi, CACHETABLE_CLEAN, 1);
67 //assert(r == 0);
68 assert(toku_cachefile_count_pinned(f1, 0) == i);
69 }
70 for (i=n; i>0; i--) {
71 uint32_t hi;
72 hi = toku_cachetable_hash(f1, make_blocknum(i));
73 r = toku_test_cachetable_unpin(f1, make_blocknum(i), hi, CACHETABLE_CLEAN, make_pair_attr(1));
74 assert(r == 0);
75 assert(toku_cachefile_count_pinned(f1, 0) == i-1);
76 }
77 assert(toku_cachefile_count_pinned(f1, 1) == 0);
78 toku_cachetable_verify(ct);
79
80 toku_cachefile_close(&f1, false, ZERO_LSN);
81 toku_cachetable_close(&ct);
82 }
83
84 enum unpin_evictor_test_type {
85 unpin_increase,
86 unpin_decrease,
87 unpin_invalid_attr
88 };
89
90 static void
unpin_and_evictor_test(enum unpin_evictor_test_type test_type)91 unpin_and_evictor_test(enum unpin_evictor_test_type test_type) {
92 int r;
93 CACHETABLE ct;
94 int test_limit = 4;
95 toku_cachetable_create(&ct, test_limit, ZERO_LSN, nullptr);
96 const char *fname1 = TOKU_TEST_FILENAME;
97 unlink(fname1);
98 CACHEFILE f1;
99
100 r = toku_cachetable_openf(&f1, ct, fname1, O_RDWR|O_CREAT, S_IRWXU|S_IRWXG|S_IRWXO); assert(r == 0);
101 evictor_test_helpers::set_hysteresis_limits(&ct->ev, test_limit, test_limit);
102 evictor_test_helpers::disable_ev_thread(&ct->ev);
103
104 void* value2;
105 CACHETABLE_WRITE_CALLBACK wc = def_write_callback(NULL);
106 // this should put in the cachetable a pair of size 8
107 r = toku_cachetable_get_and_pin(
108 f1,
109 make_blocknum(1),
110 1,
111 &value2,
112 wc,
113 def_fetch,
114 def_pf_req_callback,
115 def_pf_callback,
116 true,
117 0
118 );
119 assert(r==0);
120 //
121 // now we unpin,
122 // if we increase the size, we should catch a sleep
123 // if we don't increase the size, there should be no sleep
124 // if we pass in an invalid pair_attr, there should be no sleep.
125 //
126 uint64_t old_num_ev_runs = 0;
127 uint64_t new_num_ev_runs = 0;
128 if (test_type == unpin_increase) {
129 old_num_ev_runs = evictor_test_helpers::get_num_eviction_runs(&ct->ev);
130 r = toku_test_cachetable_unpin(f1, make_blocknum(1), 1, CACHETABLE_DIRTY, make_pair_attr(9));
131 new_num_ev_runs = evictor_test_helpers::get_num_eviction_runs(&ct->ev);
132 assert(new_num_ev_runs > old_num_ev_runs);
133 }
134 else if (test_type == unpin_decrease || test_type == unpin_invalid_attr) {
135 old_num_ev_runs = evictor_test_helpers::get_num_eviction_runs(&ct->ev);
136 r = toku_test_cachetable_unpin(f1, make_blocknum(1), 1, CACHETABLE_DIRTY, make_pair_attr(8));
137 new_num_ev_runs = evictor_test_helpers::get_num_eviction_runs(&ct->ev);
138 assert(new_num_ev_runs == old_num_ev_runs);
139 }
140 else {
141 assert(false);
142 }
143
144 toku_cachetable_verify(ct);
145 toku_cachefile_close(&f1, false, ZERO_LSN);
146 toku_cachetable_close(&ct);
147 }
148
149 int
test_main(int argc,const char * argv[])150 test_main(int argc, const char *argv[]) {
151 default_parse_args(argc, argv);
152 cachetable_unpin_test(8);
153 unpin_and_evictor_test(unpin_increase);
154 unpin_and_evictor_test(unpin_decrease);
155 unpin_and_evictor_test(unpin_invalid_attr);
156 return 0;
157 }
158