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 bool pf_called;
42 bool fetch_called;
43 CACHEFILE f1;
44
45 static int
sleep_fetch(CACHEFILE f,PAIR UU (p),int UU (fd),CACHEKEY k,uint32_t fullhash,void ** value,void ** dd,PAIR_ATTR * sizep,int * dirtyp,void * extraargs)46 sleep_fetch (CACHEFILE f __attribute__((__unused__)),
47 PAIR UU(p),
48 int UU(fd),
49 CACHEKEY k __attribute__((__unused__)),
50 uint32_t fullhash __attribute__((__unused__)),
51 void **value __attribute__((__unused__)),
52 void **dd __attribute__((__unused__)),
53 PAIR_ATTR *sizep __attribute__((__unused__)),
54 int *dirtyp,
55 void *extraargs __attribute__((__unused__))
56 ) {
57 sleep(2);
58 *dirtyp = 0;
59 *value = NULL;
60 *sizep = make_pair_attr(8);
61 fetch_called = true;
62 return 0;
63 }
64
sleep_pf_req_callback(void * UU (ftnode_pv),void * UU (read_extraargs))65 static bool sleep_pf_req_callback(void* UU(ftnode_pv), void* UU(read_extraargs)) {
66 return true;
67 }
68
sleep_pf_callback(void * UU (ftnode_pv),void * UU (disk_data),void * UU (read_extraargs),int UU (fd),PAIR_ATTR * sizep)69 static int sleep_pf_callback(void* UU(ftnode_pv), void* UU(disk_data), void* UU(read_extraargs), int UU(fd), PAIR_ATTR* sizep) {
70 sleep(2);
71 *sizep = make_pair_attr(8);
72 pf_called = true;
73 return 0;
74 }
75
run_expensive_pf(void * arg)76 static void *run_expensive_pf(void *arg) {
77 void* v1;
78 CACHETABLE_WRITE_CALLBACK wc = def_write_callback(NULL);
79 int r = toku_cachetable_get_and_pin_nonblocking(f1, make_blocknum(1), 1, &v1, wc, sleep_fetch, sleep_pf_req_callback, sleep_pf_callback, PL_READ, NULL, NULL);
80 assert(r == TOKUDB_TRY_AGAIN);
81 assert(pf_called);
82 return arg;
83 }
84
run_expensive_fetch(void * arg)85 static void *run_expensive_fetch(void *arg) {
86 void* v1;
87 CACHETABLE_WRITE_CALLBACK wc = def_write_callback(NULL);
88 int r = toku_cachetable_get_and_pin_nonblocking(f1, make_blocknum(1), 1, &v1, wc, sleep_fetch, sleep_pf_req_callback, sleep_pf_callback, PL_READ, NULL, NULL);
89 assert(fetch_called);
90 assert(r == TOKUDB_TRY_AGAIN);
91 return arg;
92 }
93
94
95 static void
run_test(void)96 run_test (void) {
97 const int test_limit = 20;
98 int r;
99 void *ret;
100 CACHETABLE ct;
101 toku_cachetable_create(&ct, test_limit, ZERO_LSN, nullptr);
102 const char *fname1 = TOKU_TEST_FILENAME;
103 unlink(fname1);
104 r = toku_cachetable_openf(&f1, ct, fname1, O_RDWR|O_CREAT, S_IRWXU|S_IRWXG|S_IRWXO); assert(r == 0);
105
106 void* v1;
107 CACHETABLE_WRITE_CALLBACK wc = def_write_callback(NULL);
108
109 toku_pthread_t fetch_tid;
110 fetch_called = false;
111 r = toku_pthread_create(
112 toku_uninstrumented, &fetch_tid, nullptr, run_expensive_fetch, nullptr);
113 sleep(1);
114 r = toku_cachetable_get_and_pin(f1,
115 make_blocknum(1),
116 1,
117 &v1,
118 wc,
119 sleep_fetch,
120 def_pf_req_callback,
121 def_pf_callback,
122 false,
123 NULL);
124 assert_zero(r);
125 assert(fetch_called);
126 r = toku_test_cachetable_unpin(f1, make_blocknum(1), 1, CACHETABLE_CLEAN, make_pair_attr(8));
127 assert(r==0);
128 r = toku_pthread_join(fetch_tid, &ret);
129 assert_zero(r);
130
131 // call with may_modify_node = false twice, make sure we can get it
132 r = toku_cachetable_get_and_pin_nonblocking(f1, make_blocknum(1), 1, &v1, wc, sleep_fetch, def_pf_req_callback, def_pf_callback, PL_READ, NULL, NULL);
133 assert_zero(r);
134 r = toku_cachetable_get_and_pin_nonblocking(f1, make_blocknum(1), 1, &v1, wc, sleep_fetch, def_pf_req_callback, def_pf_callback, PL_READ, NULL, NULL);
135 assert_zero(r);
136 r = toku_test_cachetable_unpin(f1, make_blocknum(1), 1, CACHETABLE_CLEAN, make_pair_attr(8));
137 assert(r==0);
138 r = toku_test_cachetable_unpin(f1, make_blocknum(1), 1, CACHETABLE_CLEAN, make_pair_attr(8));
139 assert(r==0);
140
141 toku_pthread_t pf_tid;
142 pf_called = false;
143 r = toku_pthread_create(
144 toku_uninstrumented, &pf_tid, nullptr, run_expensive_pf, nullptr);
145 sleep(1);
146 r = toku_cachetable_get_and_pin(f1,
147 make_blocknum(1),
148 1,
149 &v1,
150 wc,
151 sleep_fetch,
152 def_pf_req_callback,
153 def_pf_callback,
154 false,
155 NULL);
156 assert_zero(r);
157 assert(pf_called);
158 r = toku_test_cachetable_unpin(f1, make_blocknum(1), 1, CACHETABLE_CLEAN, make_pair_attr(8));
159 assert(r==0);
160
161 r = toku_pthread_join(pf_tid, &ret);
162 assert_zero(r);
163
164 toku_cachetable_verify(ct);
165 toku_cachefile_close(&f1, false, ZERO_LSN);
166 toku_cachetable_close(&ct);
167 }
168
169 int
test_main(int argc,const char * argv[])170 test_main(int argc, const char *argv[]) {
171 default_parse_args(argc, argv);
172 run_test();
173 return 0;
174 }
175