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 // verify that closing the cachetable with prefetches in progress works
40
41 #include "test.h"
42
43 bool expect_pf;
44
45 static void
flush(CACHEFILE f,int UU (fd),CACHEKEY k,void * v,void ** UU (dd),void * e,PAIR_ATTR s,PAIR_ATTR * new_size,bool w,bool keep,bool c,bool UU (is_clone))46 flush (CACHEFILE f __attribute__((__unused__)),
47 int UU(fd),
48 CACHEKEY k __attribute__((__unused__)),
49 void *v __attribute__((__unused__)),
50 void** UU(dd),
51 void *e __attribute__((__unused__)),
52 PAIR_ATTR s __attribute__((__unused__)),
53 PAIR_ATTR* new_size __attribute__((__unused__)),
54 bool w __attribute__((__unused__)),
55 bool keep __attribute__((__unused__)),
56 bool c __attribute__((__unused__)),
57 bool UU(is_clone)
58 ) {
59 assert(w == false);
60 }
61
62 static int fetch_calls = 0;
63
64 static int
fetch(CACHEFILE f,PAIR UU (p),int UU (fd),CACHEKEY k,uint32_t fullhash,void ** value,void ** UU (dd),PAIR_ATTR * sizep,int * dirtyp,void * extraargs)65 fetch (CACHEFILE f __attribute__((__unused__)),
66 PAIR UU(p),
67 int UU(fd),
68 CACHEKEY k __attribute__((__unused__)),
69 uint32_t fullhash __attribute__((__unused__)),
70 void **value __attribute__((__unused__)),
71 void** UU(dd),
72 PAIR_ATTR *sizep __attribute__((__unused__)),
73 int *dirtyp __attribute__((__unused__)),
74 void *extraargs __attribute__((__unused__))
75 ) {
76
77 fetch_calls++;
78 sleep(2);
79
80 *value = 0;
81 *sizep = make_pair_attr(1);
82 *dirtyp = 0;
83
84 return 0;
85 }
86
cachetable_prefetch_full_test(bool partial_fetch)87 static void cachetable_prefetch_full_test (bool partial_fetch) {
88 const int test_limit = 2;
89 expect_pf = false;
90 int r;
91 CACHETABLE ct;
92 toku_cachetable_create(&ct, test_limit, ZERO_LSN, nullptr);
93 const char *fname1 = TOKU_TEST_FILENAME;
94 unlink(fname1);
95 CACHEFILE f1;
96 r = toku_cachetable_openf(&f1, ct, fname1, O_RDWR|O_CREAT, S_IRWXU|S_IRWXG|S_IRWXO); assert(r == 0);
97
98 // prefetch block 0. this will take 2 seconds.
99 CACHEKEY key = make_blocknum(0);
100 uint32_t fullhash = toku_cachetable_hash(f1, make_blocknum(0));
101
102 // if we want to do a test of partial fetch,
103 // we first put the key into the cachefile so that
104 // the subsequent prefetch does a partial fetch
105 CACHETABLE_WRITE_CALLBACK wc = def_write_callback(NULL);
106 wc.flush_callback = flush;
107 if (partial_fetch) {
108 expect_pf = true;
109 void* value;
110 r = toku_cachetable_get_and_pin(
111 f1,
112 key,
113 fullhash,
114 &value,
115 wc,
116 fetch,
117 def_pf_req_callback,
118 def_pf_callback,
119 true,
120 0
121 );
122 assert(r==0);
123 r = toku_test_cachetable_unpin(f1, key, fullhash, CACHETABLE_CLEAN, make_pair_attr(1));
124 }
125
126 r = toku_cachefile_prefetch(f1, key, fullhash, wc, fetch, def_pf_req_callback, def_pf_callback, 0, NULL);
127 toku_cachetable_verify(ct);
128
129 // close with the prefetch in progress. the close should block until
130 // all of the reads and writes are complete.
131 toku_cachefile_close(&f1, false, ZERO_LSN);
132 toku_cachetable_close(&ct);
133 }
134
135 int
test_main(int argc,const char * argv[])136 test_main(int argc, const char *argv[]) {
137 default_parse_args(argc, argv);
138 cachetable_prefetch_full_test(true);
139 cachetable_prefetch_full_test(false);
140 return 0;
141 }
142