1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
|
/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
// vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
#ident "$Id$"
/*======
This file is part of PerconaFT.
Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
PerconaFT is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License, version 2,
as published by the Free Software Foundation.
PerconaFT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with PerconaFT. If not, see <http://www.gnu.org/licenses/>.
----------------------------------------
PerconaFT is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License, version 3,
as published by the Free Software Foundation.
PerconaFT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with PerconaFT. If not, see <http://www.gnu.org/licenses/>.
======= */
#ident "Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved."
#include "test.h"
//
// This file contains some basic tests for partial fetch, ensuring that
// it works correctly
//
uint32_t fetch_val = 0;
bool pf_req_called;
static int
fetch (CACHEFILE f __attribute__((__unused__)),
PAIR UU(p),
int UU(fd),
CACHEKEY k __attribute__((__unused__)),
uint32_t fullhash __attribute__((__unused__)),
void **value __attribute__((__unused__)),
void** UU(dd),
PAIR_ATTR *sizep __attribute__((__unused__)),
int *dirtyp,
void *extraargs __attribute__((__unused__))
) {
*dirtyp = 0;
*value = &fetch_val;
*sizep = make_pair_attr(sizeof(fetch_val));
return 0;
}
static int
err_fetch (CACHEFILE f __attribute__((__unused__)),
PAIR UU(p),
int UU(fd),
CACHEKEY k __attribute__((__unused__)),
uint32_t fullhash __attribute__((__unused__)),
void **value __attribute__((__unused__)),
void** UU(dd),
PAIR_ATTR *sizep __attribute__((__unused__)),
int *dirtyp,
void *extraargs __attribute__((__unused__))
) {
assert(false);
*dirtyp = 0;
return 0;
}
static bool pf_req_callback(void* UU(ftnode_pv), void* UU(read_extraargs)) {
return false;
}
static bool true_pf_req_callback(void* UU(ftnode_pv), void* UU(read_extraargs)) {
if (pf_req_called) return false;
return true;
}
static int err_pf_callback(void* UU(ftnode_pv), void* UU(dd), void* UU(read_extraargs), int UU(fd), PAIR_ATTR* UU(sizep)) {
assert(false);
return 0; // gcov
}
static int pf_callback(void* UU(ftnode_pv), void* UU(dd), void* UU(read_extraargs), int UU(fd), PAIR_ATTR* UU(sizep)) {
assert(false);
return 0; // gcov
}
static int true_pf_callback(void* UU(ftnode_pv), void* UU(dd), void* read_extraargs, int UU(fd), PAIR_ATTR* sizep) {
pf_req_called = true;
*sizep = make_pair_attr(sizeof(fetch_val)+1);
assert(read_extraargs == &fetch_val);
return 0;
}
static void
cachetable_test (void) {
const int test_limit = 12;
int r;
CACHETABLE ct;
bool doing_prefetch = false;
toku_cachetable_create(&ct, test_limit, ZERO_LSN, nullptr);
const char *fname1 = TOKU_TEST_FILENAME;
unlink(fname1);
CACHEFILE f1;
r = toku_cachetable_openf(&f1, ct, fname1, O_RDWR|O_CREAT, S_IRWXU|S_IRWXG|S_IRWXO); assert(r == 0);
void* v1;
//void* v2;
long s1;
//long s2;
CACHETABLE_WRITE_CALLBACK wc = def_write_callback(NULL);
r = toku_cachetable_get_and_pin(f1, make_blocknum(1), 1, &v1, &s1, wc, fetch, pf_req_callback, pf_callback, true, NULL);
assert(&fetch_val == v1);
//
// verify that a prefetch of this node will fail
//
r = toku_cachefile_prefetch(
f1,
make_blocknum(1),
1,
wc,
fetch,
pf_req_callback,
pf_callback,
NULL,
&doing_prefetch
);
assert(r == 0);
// make sure that prefetch should not happen, because we have already pinned node
assert(!doing_prefetch);
r = toku_test_cachetable_unpin(f1, make_blocknum(1), 1, CACHETABLE_CLEAN, make_pair_attr(8));
//
// now get and pin node again, and make sure that partial fetch and fetch are not called
//
r = toku_cachetable_get_and_pin(f1, make_blocknum(1), 1, &v1, &s1, wc, err_fetch, pf_req_callback, err_pf_callback, true, NULL);
r = toku_test_cachetable_unpin(f1, make_blocknum(1), 1, CACHETABLE_CLEAN, make_pair_attr(8));
//
// now make sure that if we say a partial fetch is required, that we get a partial fetch
// and that read_extraargs properly passed down
//
pf_req_called = false;
r = toku_cachetable_get_and_pin(f1, make_blocknum(1), 1, &v1, &s1, wc, err_fetch, true_pf_req_callback, true_pf_callback, true, &fetch_val);
assert(pf_req_called);
assert(s1 == sizeof(fetch_val)+1);
r = toku_test_cachetable_unpin(f1, make_blocknum(1), 1, CACHETABLE_CLEAN, make_pair_attr(8));
// close and reopen cachefile so we can do some simple prefetch tests
toku_cachefile_close(&f1, false, ZERO_LSN);
toku_cachetable_close(&ct);
toku_cachetable_create(&ct, test_limit, ZERO_LSN, nullptr);
r = toku_cachetable_openf(&f1, ct, fname1, O_RDWR|O_CREAT, S_IRWXU|S_IRWXG|S_IRWXO); assert(r == 0);
//
// verify that a prefetch of the node will succeed
//
r = toku_cachefile_prefetch(
f1,
make_blocknum(1),
1,
wc,
fetch,
pf_req_callback,
pf_callback,
NULL,
&doing_prefetch
);
assert(r == 0);
// make sure that prefetch should happen, because we have already pinned node
assert(doing_prefetch);
//
// now verify we can pin it, and NO fetch callback should get called
//
r = toku_cachetable_get_and_pin(f1, make_blocknum(1), 1, &v1, &s1, wc, err_fetch, pf_req_callback, err_pf_callback, true, NULL);
assert(&fetch_val == v1);
r = toku_test_cachetable_unpin(f1, make_blocknum(1), 1, CACHETABLE_CLEAN, make_pair_attr(8));
//
// now verify a prefetch that requires a partial fetch works, and that we can then pin the node
//
pf_req_called = false;
r = toku_cachefile_prefetch(
f1,
make_blocknum(1),
1,
wc,
fetch,
true_pf_req_callback,
true_pf_callback,
&fetch_val,
&doing_prefetch
);
assert(doing_prefetch);
r = toku_cachetable_get_and_pin(f1, make_blocknum(1), 1, &v1, &s1, wc, err_fetch, pf_req_callback, err_pf_callback, true, NULL);
assert(&fetch_val == v1);
r = toku_test_cachetable_unpin(f1, make_blocknum(1), 1, CACHETABLE_CLEAN, make_pair_attr(8));
toku_cachetable_verify(ct);
toku_cachefile_close(&f1, false, ZERO_LSN);
toku_cachetable_close(&ct);
}
int
test_main(int argc, const char *argv[]) {
default_parse_args(argc, argv);
cachetable_test();
return 0;
}
|
