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 
43 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))44 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))
45 {
46     *cloned_value_data = (void *)1;
47     *clone_size = 8;
48     new_attr->is_valid = false;
49 }
50 
51 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))52 flush (
53     CACHEFILE f __attribute__((__unused__)),
54     int UU(fd),
55     CACHEKEY k  __attribute__((__unused__)),
56     void *v     __attribute__((__unused__)),
57     void** UU(dd),
58     void *e     __attribute__((__unused__)),
59     PAIR_ATTR s      __attribute__((__unused__)),
60     PAIR_ATTR* new_size      __attribute__((__unused__)),
61     bool w      __attribute__((__unused__)),
62     bool keep   __attribute__((__unused__)),
63     bool c      __attribute__((__unused__)),
64     bool UU(is_clone)
65     )
66 {
67 }
68 
69 
70 // this test verifies that a partial fetch will wait for a cloned pair to complete
71 // writing to disk
72 static void
cachetable_test(enum cachetable_dirty dirty,bool cloneable)73 cachetable_test (enum cachetable_dirty dirty, bool cloneable) {
74     const int test_limit = 12;
75     int r;
76     CACHETABLE ct;
77     toku_cachetable_create(&ct, test_limit, ZERO_LSN, nullptr);
78     const char *fname1 = TOKU_TEST_FILENAME;
79     unlink(fname1);
80     CACHEFILE f1;
81     r = toku_cachetable_openf(&f1, ct, fname1, O_RDWR|O_CREAT, S_IRWXU|S_IRWXG|S_IRWXO); assert(r == 0);
82     create_dummy_functions(f1);
83 
84     void* v1;
85     CACHETABLE_WRITE_CALLBACK wc = def_write_callback(NULL);
86     wc.clone_callback = cloneable ? clone_callback : NULL;
87     wc.flush_callback = flush;
88 
89     r = toku_cachetable_get_and_pin(f1, make_blocknum(1), 1, &v1, wc, def_fetch, def_pf_req_callback, def_pf_callback, true, NULL);
90     r = toku_test_cachetable_unpin(f1, make_blocknum(1), 1, dirty, make_pair_attr(8));
91 
92     // test that having a pin that passes false for may_modify_value does not stall behind checkpoint
93     CHECKPOINTER cp = toku_cachetable_get_checkpointer(ct);
94     toku_cachetable_begin_checkpoint(cp, NULL);
95     r = toku_cachetable_get_and_pin_nonblocking(f1, make_blocknum(1), 1, &v1, wc, def_fetch, def_pf_req_callback, def_pf_callback, PL_READ, NULL, NULL);
96     assert(r == 0);
97     r = toku_test_cachetable_unpin(f1, make_blocknum(1), 1, CACHETABLE_CLEAN, make_pair_attr(8));
98     assert(r == 0);
99 
100     r = toku_cachetable_get_and_pin_nonblocking(f1, make_blocknum(1), 1, &v1, wc, def_fetch, def_pf_req_callback, def_pf_callback, PL_WRITE_EXPENSIVE, NULL, NULL);
101     assert(r == 0);
102     r = toku_test_cachetable_unpin(f1, make_blocknum(1), 1, CACHETABLE_CLEAN, make_pair_attr(8));
103 
104     toku_cachetable_end_checkpoint(
105         cp,
106         NULL,
107         NULL,
108         NULL
109         );
110 
111     toku_cachetable_verify(ct);
112     toku_cachefile_close(&f1, false, ZERO_LSN);
113     toku_cachetable_close(&ct);
114 }
115 
116 int
test_main(int argc,const char * argv[])117 test_main(int argc, const char *argv[]) {
118   default_parse_args(argc, argv);
119   cachetable_test(CACHETABLE_DIRTY, true);
120   cachetable_test(CACHETABLE_DIRTY, false);
121   cachetable_test(CACHETABLE_CLEAN, true);
122   cachetable_test(CACHETABLE_CLEAN, false);
123   return 0;
124 }
125