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 #include "cachetable-test.h"
41 
42 bool clone_called;
43 bool check_flush;
44 bool flush_expected;
45 bool flush_called;
46 
47 static void
clone_callback(void * UU (value_data),void ** cloned_value_data,long * clone_size,PAIR_ATTR * new_attr,bool UU (for_checkpoint),void * UU (write_extraargs))48 clone_callback(void* UU(value_data), void** cloned_value_data, long* clone_size, PAIR_ATTR* new_attr, bool UU(for_checkpoint), void* UU(write_extraargs))
49 {
50     *cloned_value_data = (void *)1;
51     new_attr->is_valid = false;
52     clone_called = true;
53     *clone_size = 8;
54 }
55 
56 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))57 flush (
58     CACHEFILE f __attribute__((__unused__)),
59     int UU(fd),
60     CACHEKEY k  __attribute__((__unused__)),
61     void *v     __attribute__((__unused__)),
62     void** UU(dd),
63     void *e     __attribute__((__unused__)),
64     PAIR_ATTR s      __attribute__((__unused__)),
65     PAIR_ATTR* new_size      __attribute__((__unused__)),
66     bool w      __attribute__((__unused__)),
67     bool keep   __attribute__((__unused__)),
68     bool c      __attribute__((__unused__)),
69     bool UU(is_clone)
70     )
71 {
72     if (w && check_flush) {
73         assert(flush_expected);
74         flush_called = true;
75     }
76 }
77 
78 //
79 // test the following things for simple cloning:
80 //  - verifies that after the checkpoint ends, the PAIR is properly
81 //     dirty or clean based on the second unpin
82 //
83 static void
test_clean(enum cachetable_dirty dirty,bool cloneable)84 test_clean (enum cachetable_dirty dirty, bool cloneable) {
85     const int test_limit = 200;
86     int r;
87     CACHETABLE ct;
88     toku_cachetable_create(&ct, test_limit, ZERO_LSN, nullptr);
89     const char *fname1 = TOKU_TEST_FILENAME;
90     unlink(fname1);
91     CACHEFILE f1;
92     r = toku_cachetable_openf(&f1, ct, fname1, O_RDWR|O_CREAT, S_IRWXU|S_IRWXG|S_IRWXO); assert(r == 0);
93     create_dummy_functions(f1);
94     check_flush = false;
95 
96     void* v1;
97     CACHETABLE_WRITE_CALLBACK wc = def_write_callback(NULL);
98     wc.clone_callback = cloneable ? clone_callback : NULL;
99     wc.flush_callback = flush;
100     r = toku_cachetable_get_and_pin(f1, make_blocknum(1), 1, &v1, wc, def_fetch, def_pf_req_callback, def_pf_callback, true, NULL);
101     r = toku_test_cachetable_unpin(f1, make_blocknum(1), 1, CACHETABLE_DIRTY, make_pair_attr(8));
102 
103     // begin checkpoint, since pair is clean, we should not
104     // have the clone called
105     CHECKPOINTER cp = toku_cachetable_get_checkpointer(ct);
106     toku_cachetable_begin_checkpoint(cp, NULL);
107     assert_zero(r);
108     r = toku_cachetable_get_and_pin(f1, make_blocknum(1), 1, &v1, wc, def_fetch, def_pf_req_callback, def_pf_callback, true, NULL);
109 
110     // at this point, there should be no more dirty writes
111     r = toku_test_cachetable_unpin(f1, make_blocknum(1), 1, dirty, make_pair_attr(8));
112     usleep(2*1024*1024);
113     toku_cachetable_end_checkpoint(
114         cp,
115         NULL,
116         NULL,
117         NULL
118     );
119 
120     check_flush = true;
121     flush_expected = (dirty == CACHETABLE_DIRTY) ? true : false;
122     flush_called = false;
123 
124     toku_cachetable_verify(ct);
125     toku_cachefile_close(&f1, false, ZERO_LSN);
126     toku_cachetable_close(&ct);
127     if (flush_expected) assert(flush_called);
128 }
129 
130 int
test_main(int argc,const char * argv[])131 test_main(int argc, const char *argv[]) {
132   default_parse_args(argc, argv);
133   test_clean(CACHETABLE_CLEAN, true);
134   test_clean(CACHETABLE_DIRTY, true);
135   test_clean(CACHETABLE_CLEAN, false);
136   test_clean(CACHETABLE_DIRTY, false);
137   return 0;
138 }
139